1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2255da60b9SMark J Musante * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23beb56283SShampavman * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24f78cdc34SPaul Dagnelie * Copyright (c) 2011, 2018 by Delphix. All rights reserved. 25442c994cSJason King * Copyright 2020 Joyent, Inc. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 2855da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2955da60b9SMark J Musante 30eb633035STom Caputi /* 31eb633035STom Caputi * ZFS_MDB lets dmu.h know that we don't have dmu_ot, and we will define our 32eb633035STom Caputi * own macros to access the target's dmu_ot. Therefore it must be defined 33eb633035STom Caputi * before including any ZFS headers. Note that we don't define 34eb633035STom Caputi * DMU_OT_IS_ENCRYPTED_IMPL() or DMU_OT_BYTESWAP_IMPL(), therefore using them 35eb633035STom Caputi * will result in a compilation error. If they are needed in the future, we 36eb633035STom Caputi * can implement them similarly to mdb_dmu_ot_is_encrypted_impl(). 37eb633035STom Caputi */ 38eb633035STom Caputi #define ZFS_MDB 39eb633035STom Caputi #define DMU_OT_IS_ENCRYPTED_IMPL(ot) mdb_dmu_ot_is_encrypted_impl(ot) 40eb633035STom Caputi 41fa9e4066Sahrens #include <mdb/mdb_ctf.h> 42fa9e4066Sahrens #include <sys/zfs_context.h> 43fa9e4066Sahrens #include <sys/mdb_modapi.h> 44fa9e4066Sahrens #include <sys/dbuf.h> 45fa9e4066Sahrens #include <sys/dmu_objset.h> 46fa9e4066Sahrens #include <sys/dsl_dir.h> 47fa9e4066Sahrens #include <sys/dsl_pool.h> 48fa9e4066Sahrens #include <sys/metaslab_impl.h> 49fa9e4066Sahrens #include <sys/space_map.h> 50fa9e4066Sahrens #include <sys/list.h> 51fa9e4066Sahrens #include <sys/vdev_impl.h> 523f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 533f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 549966ca11SMatthew Ahrens #include <ctype.h> 550a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 560a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 57dcbf3bd6SGeorge Wilson #include <sys/multilist.h> 584d7988d6SPaul Dagnelie #include <sys/btree.h> 59fa9e4066Sahrens 60fa9e4066Sahrens #ifdef _KERNEL 61fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 62c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 63fa9e4066Sahrens #else 64fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 65fa9e4066Sahrens #endif 66fa9e4066Sahrens 6728e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 6828e4da25SMatthew Ahrens 69feef89cfSVictor Latushkin #ifndef _KERNEL 70feef89cfSVictor Latushkin int aok; 71feef89cfSVictor Latushkin #endif 72feef89cfSVictor Latushkin 732e4c9986SGeorge Wilson enum spa_flags { 742e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 752e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 762e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 772e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 782e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 792e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 802e4c9986SGeorge Wilson }; 812e4c9986SGeorge Wilson 8291e2a09fSSteve Gonczi /* 8391e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 8491e2a09fSSteve Gonczi */ 852e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 862e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 8791e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 882e4c9986SGeorge Wilson 89fa9e4066Sahrens static int 90fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 91fa9e4066Sahrens const char *member, int len, void *buf) 92fa9e4066Sahrens { 93fa9e4066Sahrens mdb_ctf_id_t id; 94fa9e4066Sahrens ulong_t off; 95fa9e4066Sahrens char name[64]; 96fa9e4066Sahrens 97fa9e4066Sahrens if (idp == NULL) { 98fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 99fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 100fa9e4066Sahrens return (DCMD_ERR); 101fa9e4066Sahrens } 102fa9e4066Sahrens idp = &id; 103fa9e4066Sahrens } else { 104fa9e4066Sahrens type = name; 105fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 106fa9e4066Sahrens } 107fa9e4066Sahrens 108fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 109fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 110fa9e4066Sahrens return (DCMD_ERR); 111fa9e4066Sahrens } 112fa9e4066Sahrens if (off % 8 != 0) { 113fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 114fa9e4066Sahrens member, type); 115fa9e4066Sahrens return (DCMD_ERR); 116fa9e4066Sahrens } 117fa9e4066Sahrens off /= 8; 118fa9e4066Sahrens 119fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 120fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 121fa9e4066Sahrens member, type, addr + off); 122fa9e4066Sahrens return (DCMD_ERR); 123fa9e4066Sahrens } 124fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 125fa9e4066Sahrens 126fa9e4066Sahrens return (0); 127fa9e4066Sahrens } 128fa9e4066Sahrens 12928e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 13028e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 13128e4da25SMatthew Ahrens sizeof (dest), &(dest)) 132fa9e4066Sahrens 133fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 134fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 135fa9e4066Sahrens 1363f9d6ad7SLin Ling static boolean_t 1373f9d6ad7SLin Ling strisprint(const char *cp) 1383f9d6ad7SLin Ling { 1393f9d6ad7SLin Ling for (; *cp; cp++) { 1403f9d6ad7SLin Ling if (!isprint(*cp)) 1413f9d6ad7SLin Ling return (B_FALSE); 1423f9d6ad7SLin Ling } 1433f9d6ad7SLin Ling return (B_TRUE); 1443f9d6ad7SLin Ling } 1453f9d6ad7SLin Ling 14617f11284SSerapheim Dimitropoulos /* 14717f11284SSerapheim Dimitropoulos * <addr>::sm_entries <buffer length in bytes> 14817f11284SSerapheim Dimitropoulos * 14917f11284SSerapheim Dimitropoulos * Treat the buffer specified by the given address as a buffer that contains 15017f11284SSerapheim Dimitropoulos * space map entries. Iterate over the specified number of entries and print 15117f11284SSerapheim Dimitropoulos * them in both encoded and decoded form. 15217f11284SSerapheim Dimitropoulos */ 15317f11284SSerapheim Dimitropoulos /* ARGSUSED */ 154fa9e4066Sahrens static int 15517f11284SSerapheim Dimitropoulos sm_entries(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 156fa9e4066Sahrens { 15717f11284SSerapheim Dimitropoulos uint64_t bufsz = 0; 15817f11284SSerapheim Dimitropoulos boolean_t preview = B_FALSE; 159fa9e4066Sahrens 16017f11284SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 16117f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 162fa9e4066Sahrens 16317f11284SSerapheim Dimitropoulos if (argc < 1) { 16417f11284SSerapheim Dimitropoulos preview = B_TRUE; 16517f11284SSerapheim Dimitropoulos bufsz = 2; 16617f11284SSerapheim Dimitropoulos } else if (argc != 1) { 16717f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 168fa9e4066Sahrens } else { 16917f11284SSerapheim Dimitropoulos switch (argv[0].a_type) { 17017f11284SSerapheim Dimitropoulos case MDB_TYPE_STRING: 17117f11284SSerapheim Dimitropoulos bufsz = mdb_strtoull(argv[0].a_un.a_str); 17217f11284SSerapheim Dimitropoulos break; 17317f11284SSerapheim Dimitropoulos case MDB_TYPE_IMMEDIATE: 17417f11284SSerapheim Dimitropoulos bufsz = argv[0].a_un.a_val; 17517f11284SSerapheim Dimitropoulos break; 17617f11284SSerapheim Dimitropoulos default: 17717f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 178fa9e4066Sahrens } 17917f11284SSerapheim Dimitropoulos } 18017f11284SSerapheim Dimitropoulos 18117f11284SSerapheim Dimitropoulos char *actions[] = { "ALLOC", "FREE", "INVALID" }; 18217f11284SSerapheim Dimitropoulos for (uintptr_t bufend = addr + bufsz; addr < bufend; 18317f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t)) { 18417f11284SSerapheim Dimitropoulos uint64_t nwords; 18517f11284SSerapheim Dimitropoulos uint64_t start_addr = addr; 18617f11284SSerapheim Dimitropoulos 18717f11284SSerapheim Dimitropoulos uint64_t word = 0; 18817f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 18917f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", addr); 19017f11284SSerapheim Dimitropoulos return (DCMD_ERR); 19117f11284SSerapheim Dimitropoulos } 19217f11284SSerapheim Dimitropoulos 19317f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) == SM_DEBUG_PREFIX) { 19417f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llu] %s: txg %llu, " 19517f11284SSerapheim Dimitropoulos "pass %llu\n", 19617f11284SSerapheim Dimitropoulos (u_longlong_t)(addr), 19717f11284SSerapheim Dimitropoulos actions[SM_DEBUG_ACTION_DECODE(word)], 19817f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_TXG_DECODE(word), 19917f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(word)); 20017f11284SSerapheim Dimitropoulos continue; 20117f11284SSerapheim Dimitropoulos } 20217f11284SSerapheim Dimitropoulos 20317f11284SSerapheim Dimitropoulos char entry_type; 20417f11284SSerapheim Dimitropoulos uint64_t raw_offset, raw_run, vdev_id = SM_NO_VDEVID; 20517f11284SSerapheim Dimitropoulos 20617f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) != SM2_PREFIX) { 20717f11284SSerapheim Dimitropoulos entry_type = (SM_TYPE_DECODE(word) == SM_ALLOC) ? 20817f11284SSerapheim Dimitropoulos 'A' : 'F'; 20917f11284SSerapheim Dimitropoulos raw_offset = SM_OFFSET_DECODE(word); 21017f11284SSerapheim Dimitropoulos raw_run = SM_RUN_DECODE(word); 21117f11284SSerapheim Dimitropoulos nwords = 1; 21217f11284SSerapheim Dimitropoulos } else { 21317f11284SSerapheim Dimitropoulos ASSERT3U(SM_PREFIX_DECODE(word), ==, SM2_PREFIX); 21417f11284SSerapheim Dimitropoulos 21517f11284SSerapheim Dimitropoulos raw_run = SM2_RUN_DECODE(word); 21617f11284SSerapheim Dimitropoulos vdev_id = SM2_VDEV_DECODE(word); 21717f11284SSerapheim Dimitropoulos 21817f11284SSerapheim Dimitropoulos /* it is a two-word entry so we read another word */ 21917f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t); 22017f11284SSerapheim Dimitropoulos if (addr >= bufend) { 22117f11284SSerapheim Dimitropoulos mdb_warn("buffer ends in the middle of a two " 22217f11284SSerapheim Dimitropoulos "word entry\n", addr); 22317f11284SSerapheim Dimitropoulos return (DCMD_ERR); 22417f11284SSerapheim Dimitropoulos } 22517f11284SSerapheim Dimitropoulos 22617f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 22717f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", 22817f11284SSerapheim Dimitropoulos addr); 22917f11284SSerapheim Dimitropoulos return (DCMD_ERR); 23017f11284SSerapheim Dimitropoulos } 23117f11284SSerapheim Dimitropoulos 23217f11284SSerapheim Dimitropoulos entry_type = (SM2_TYPE_DECODE(word) == SM_ALLOC) ? 23317f11284SSerapheim Dimitropoulos 'A' : 'F'; 23417f11284SSerapheim Dimitropoulos raw_offset = SM2_OFFSET_DECODE(word); 23517f11284SSerapheim Dimitropoulos nwords = 2; 23617f11284SSerapheim Dimitropoulos } 23717f11284SSerapheim Dimitropoulos 23817f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llx] %c range:" 23917f11284SSerapheim Dimitropoulos " %010llx-%010llx size: %06llx vdev: %06llu words: %llu\n", 24017f11284SSerapheim Dimitropoulos (u_longlong_t)start_addr, 24117f11284SSerapheim Dimitropoulos entry_type, (u_longlong_t)raw_offset, 24217f11284SSerapheim Dimitropoulos (u_longlong_t)(raw_offset + raw_run), 24317f11284SSerapheim Dimitropoulos (u_longlong_t)raw_run, 24417f11284SSerapheim Dimitropoulos (u_longlong_t)vdev_id, (u_longlong_t)nwords); 24517f11284SSerapheim Dimitropoulos 24617f11284SSerapheim Dimitropoulos if (preview) 24717f11284SSerapheim Dimitropoulos break; 24817f11284SSerapheim Dimitropoulos } 24917f11284SSerapheim Dimitropoulos return (DCMD_OK); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens static int 25328e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 254fa9e4066Sahrens { 255fa9e4066Sahrens static int gotid; 256fa9e4066Sahrens static mdb_ctf_id_t dd_id; 257fa9e4066Sahrens uintptr_t dd_parent; 2589adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 259fa9e4066Sahrens 260fa9e4066Sahrens if (!gotid) { 26128e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 262fa9e4066Sahrens &dd_id) == -1) { 263fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 264fa9e4066Sahrens return (DCMD_ERR); 265fa9e4066Sahrens } 266fa9e4066Sahrens gotid = TRUE; 267fa9e4066Sahrens } 268fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 269fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 270fa9e4066Sahrens return (DCMD_ERR); 271fa9e4066Sahrens } 272fa9e4066Sahrens 273fa9e4066Sahrens if (dd_parent) { 27428e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 275fa9e4066Sahrens return (DCMD_ERR); 276fa9e4066Sahrens strcat(buf, "/"); 277fa9e4066Sahrens } 278fa9e4066Sahrens 279fa9e4066Sahrens if (dd_myname[0]) 280fa9e4066Sahrens strcat(buf, dd_myname); 281fa9e4066Sahrens else 282fa9e4066Sahrens strcat(buf, "???"); 283fa9e4066Sahrens 284fa9e4066Sahrens return (0); 285fa9e4066Sahrens } 286fa9e4066Sahrens 287fa9e4066Sahrens static int 288fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 289fa9e4066Sahrens { 290fa9e4066Sahrens static int gotid; 2914223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 292fa9e4066Sahrens uintptr_t os_dsl_dataset; 2939adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 294fa9e4066Sahrens uintptr_t ds_dir; 295fa9e4066Sahrens 296fa9e4066Sahrens buf[0] = '\0'; 297fa9e4066Sahrens 298fa9e4066Sahrens if (!gotid) { 29928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 3004223fc7cSMark Shellenbaum &os_id) == -1) { 3014223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens } 30428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 305fa9e4066Sahrens &ds_id) == -1) { 306fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 307fa9e4066Sahrens return (DCMD_ERR); 308fa9e4066Sahrens } 309fa9e4066Sahrens 310fa9e4066Sahrens gotid = TRUE; 311fa9e4066Sahrens } 312fa9e4066Sahrens 3134223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 314fa9e4066Sahrens return (DCMD_ERR); 315fa9e4066Sahrens 316fa9e4066Sahrens if (os_dsl_dataset == 0) { 317fa9e4066Sahrens strcat(buf, "mos"); 318fa9e4066Sahrens return (0); 319fa9e4066Sahrens } 320fa9e4066Sahrens 321fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 322fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 323fa9e4066Sahrens return (DCMD_ERR); 324fa9e4066Sahrens } 325fa9e4066Sahrens 32628e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 327fa9e4066Sahrens return (DCMD_ERR); 328fa9e4066Sahrens 329fa9e4066Sahrens if (ds_snapname[0]) { 330fa9e4066Sahrens strcat(buf, "@"); 331fa9e4066Sahrens strcat(buf, ds_snapname); 332fa9e4066Sahrens } 333fa9e4066Sahrens return (0); 334fa9e4066Sahrens } 335fa9e4066Sahrens 3368363e80aSGeorge Wilson static int 3378363e80aSGeorge Wilson enum_lookup(char *type, int val, const char *prefix, size_t size, char *out) 338fa9e4066Sahrens { 339fa9e4066Sahrens const char *cp; 340fa9e4066Sahrens size_t len = strlen(prefix); 3418363e80aSGeorge Wilson mdb_ctf_id_t enum_type; 342fa9e4066Sahrens 3438363e80aSGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) { 3448363e80aSGeorge Wilson mdb_warn("Could not find enum for %s", type); 3458363e80aSGeorge Wilson return (-1); 3468363e80aSGeorge Wilson } 3478363e80aSGeorge Wilson 3488363e80aSGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, val)) != NULL) { 349fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 350fa9e4066Sahrens cp += len; 351fa9e4066Sahrens (void) strncpy(out, cp, size); 352fa9e4066Sahrens } else { 353fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 354fa9e4066Sahrens } 3558363e80aSGeorge Wilson return (0); 356fa9e4066Sahrens } 357fa9e4066Sahrens 358fa9e4066Sahrens /* ARGSUSED */ 359fa9e4066Sahrens static int 360614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 361614409b5Sahrens { 362614409b5Sahrens /* 363614409b5Sahrens * This table can be approximately generated by running: 364614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 365614409b5Sahrens */ 366614409b5Sahrens static const char *params[] = { 36769962b56SMatthew Ahrens "arc_lotsfree_percent", 368bfcdb3d6Sloli10K "arc_pages_pp_reserve", 369bfcdb3d6Sloli10K "arc_reduce_dnlc_percent", 370bfcdb3d6Sloli10K "arc_swapfs_reserve", 371bfcdb3d6Sloli10K "arc_zio_arena_free_shift", 372bfcdb3d6Sloli10K "dbuf_cache_hiwater_pct", 373bfcdb3d6Sloli10K "dbuf_cache_lowater_pct", 374bfcdb3d6Sloli10K "dbuf_cache_max_bytes", 375bfcdb3d6Sloli10K "dbuf_cache_max_shift", 376bfcdb3d6Sloli10K "ddt_zap_indirect_blockshift", 377bfcdb3d6Sloli10K "ddt_zap_leaf_blockshift", 378bfcdb3d6Sloli10K "ditto_same_vdev_distance_shift", 379bfcdb3d6Sloli10K "dmu_find_threads", 380bfcdb3d6Sloli10K "dmu_rescan_dnode_threshold", 381bfcdb3d6Sloli10K "dsl_scan_delay_completion", 382614409b5Sahrens "fzap_default_block_shift", 383bfcdb3d6Sloli10K "l2arc_feed_again", 384bfcdb3d6Sloli10K "l2arc_feed_min_ms", 385bfcdb3d6Sloli10K "l2arc_feed_secs", 386bfcdb3d6Sloli10K "l2arc_headroom", 387bfcdb3d6Sloli10K "l2arc_headroom_boost", 388bfcdb3d6Sloli10K "l2arc_noprefetch", 389bfcdb3d6Sloli10K "l2arc_norw", 390bfcdb3d6Sloli10K "l2arc_write_boost", 391bfcdb3d6Sloli10K "l2arc_write_max", 392bfcdb3d6Sloli10K "metaslab_aliquot", 393bfcdb3d6Sloli10K "metaslab_bias_enabled", 394bfcdb3d6Sloli10K "metaslab_debug_load", 395bfcdb3d6Sloli10K "metaslab_debug_unload", 396d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 397d6e555bdSGeorge Wilson "metaslab_df_free_pct", 398bfcdb3d6Sloli10K "metaslab_fragmentation_factor_enabled", 399bfcdb3d6Sloli10K "metaslab_force_ganging", 400bfcdb3d6Sloli10K "metaslab_lba_weighting_enabled", 401bfcdb3d6Sloli10K "metaslab_load_pct", 402bfcdb3d6Sloli10K "metaslab_min_alloc_size", 403bfcdb3d6Sloli10K "metaslab_ndf_clump_shift", 404bfcdb3d6Sloli10K "metaslab_preload_enabled", 405bfcdb3d6Sloli10K "metaslab_preload_limit", 406bfcdb3d6Sloli10K "metaslab_trace_enabled", 407bfcdb3d6Sloli10K "metaslab_trace_max_entries", 408bfcdb3d6Sloli10K "metaslab_unload_delay", 409bfcdb3d6Sloli10K "metaslabs_per_vdev", 410bfcdb3d6Sloli10K "reference_history", 411bfcdb3d6Sloli10K "reference_tracking_enable", 412bfcdb3d6Sloli10K "send_holes_without_birth_time", 413bfcdb3d6Sloli10K "spa_asize_inflation", 414bfcdb3d6Sloli10K "spa_load_verify_data", 415bfcdb3d6Sloli10K "spa_load_verify_maxinflight", 416bfcdb3d6Sloli10K "spa_load_verify_metadata", 417bfcdb3d6Sloli10K "spa_max_replication_override", 418bfcdb3d6Sloli10K "spa_min_slop", 419bfcdb3d6Sloli10K "spa_mode_global", 420bfcdb3d6Sloli10K "spa_slop_shift", 421bfcdb3d6Sloli10K "space_map_blksz", 422bfcdb3d6Sloli10K "vdev_mirror_shift", 423bfcdb3d6Sloli10K "zfetch_max_distance", 424bfcdb3d6Sloli10K "zfs_abd_chunk_size", 425bfcdb3d6Sloli10K "zfs_abd_scatter_enabled", 426bfcdb3d6Sloli10K "zfs_arc_average_blocksize", 427bfcdb3d6Sloli10K "zfs_arc_evict_batch_limit", 428bfcdb3d6Sloli10K "zfs_arc_grow_retry", 429bfcdb3d6Sloli10K "zfs_arc_max", 430bfcdb3d6Sloli10K "zfs_arc_meta_limit", 431bfcdb3d6Sloli10K "zfs_arc_meta_min", 432bfcdb3d6Sloli10K "zfs_arc_min", 433bfcdb3d6Sloli10K "zfs_arc_p_min_shift", 434bfcdb3d6Sloli10K "zfs_arc_shrink_shift", 435bfcdb3d6Sloli10K "zfs_async_block_max_blocks", 436bfcdb3d6Sloli10K "zfs_ccw_retry_interval", 437bfcdb3d6Sloli10K "zfs_commit_timeout_pct", 438bfcdb3d6Sloli10K "zfs_compressed_arc_enabled", 439bfcdb3d6Sloli10K "zfs_condense_indirect_commit_entry_delay_ticks", 440bfcdb3d6Sloli10K "zfs_condense_indirect_vdevs_enable", 441bfcdb3d6Sloli10K "zfs_condense_max_obsolete_bytes", 442bfcdb3d6Sloli10K "zfs_condense_min_mapping_bytes", 443bfcdb3d6Sloli10K "zfs_condense_pct", 444bfcdb3d6Sloli10K "zfs_dbgmsg_maxsize", 445bfcdb3d6Sloli10K "zfs_deadman_checktime_ms", 446bfcdb3d6Sloli10K "zfs_deadman_enabled", 447bfcdb3d6Sloli10K "zfs_deadman_synctime_ms", 448bfcdb3d6Sloli10K "zfs_dedup_prefetch", 449bfcdb3d6Sloli10K "zfs_default_bs", 450bfcdb3d6Sloli10K "zfs_default_ibs", 451bfcdb3d6Sloli10K "zfs_delay_max_ns", 452bfcdb3d6Sloli10K "zfs_delay_min_dirty_percent", 453bfcdb3d6Sloli10K "zfs_delay_resolution_ns", 454bfcdb3d6Sloli10K "zfs_delay_scale", 455bfcdb3d6Sloli10K "zfs_dirty_data_max", 456bfcdb3d6Sloli10K "zfs_dirty_data_max_max", 457bfcdb3d6Sloli10K "zfs_dirty_data_max_percent", 458bfcdb3d6Sloli10K "zfs_dirty_data_sync", 459bfcdb3d6Sloli10K "zfs_flags", 460bfcdb3d6Sloli10K "zfs_free_bpobj_enabled", 461bfcdb3d6Sloli10K "zfs_free_leak_on_eio", 462bfcdb3d6Sloli10K "zfs_free_min_time_ms", 463bfcdb3d6Sloli10K "zfs_fsync_sync_cnt", 464bfcdb3d6Sloli10K "zfs_immediate_write_sz", 465bfcdb3d6Sloli10K "zfs_indirect_condense_obsolete_pct", 466bfcdb3d6Sloli10K "zfs_lua_check_instrlimit_interval", 467bfcdb3d6Sloli10K "zfs_lua_max_instrlimit", 468bfcdb3d6Sloli10K "zfs_lua_max_memlimit", 469bfcdb3d6Sloli10K "zfs_max_recordsize", 470bfcdb3d6Sloli10K "zfs_mdcomp_disable", 471bfcdb3d6Sloli10K "zfs_metaslab_condense_block_threshold", 472bfcdb3d6Sloli10K "zfs_metaslab_fragmentation_threshold", 473bfcdb3d6Sloli10K "zfs_metaslab_segment_weight_enabled", 474bfcdb3d6Sloli10K "zfs_metaslab_switch_threshold", 475bfcdb3d6Sloli10K "zfs_mg_fragmentation_threshold", 476bfcdb3d6Sloli10K "zfs_mg_noalloc_threshold", 477bfcdb3d6Sloli10K "zfs_multilist_num_sublists", 478bfcdb3d6Sloli10K "zfs_no_scrub_io", 479bfcdb3d6Sloli10K "zfs_no_scrub_prefetch", 480bfcdb3d6Sloli10K "zfs_nocacheflush", 481bfcdb3d6Sloli10K "zfs_nopwrite_enabled", 482bfcdb3d6Sloli10K "zfs_object_remap_one_indirect_delay_ticks", 483bfcdb3d6Sloli10K "zfs_obsolete_min_time_ms", 484bfcdb3d6Sloli10K "zfs_pd_bytes_max", 485bfcdb3d6Sloli10K "zfs_per_txg_dirty_frees_percent", 486bfcdb3d6Sloli10K "zfs_prefetch_disable", 487bfcdb3d6Sloli10K "zfs_read_chunk_size", 488bfcdb3d6Sloli10K "zfs_recover", 489bfcdb3d6Sloli10K "zfs_recv_queue_length", 490bfcdb3d6Sloli10K "zfs_redundant_metadata_most_ditto_level", 491bfcdb3d6Sloli10K "zfs_remap_blkptr_enable", 492bfcdb3d6Sloli10K "zfs_remove_max_copy_bytes", 493bfcdb3d6Sloli10K "zfs_remove_max_segment", 494bfcdb3d6Sloli10K "zfs_resilver_delay", 495bfcdb3d6Sloli10K "zfs_resilver_min_time_ms", 496bfcdb3d6Sloli10K "zfs_scan_idle", 497bfcdb3d6Sloli10K "zfs_scan_min_time_ms", 498bfcdb3d6Sloli10K "zfs_scrub_delay", 499bfcdb3d6Sloli10K "zfs_scrub_limit", 500bfcdb3d6Sloli10K "zfs_send_corrupt_data", 501bfcdb3d6Sloli10K "zfs_send_queue_length", 502bfcdb3d6Sloli10K "zfs_send_set_freerecords_bit", 503bfcdb3d6Sloli10K "zfs_sync_pass_deferred_free", 504bfcdb3d6Sloli10K "zfs_sync_pass_dont_compress", 505bfcdb3d6Sloli10K "zfs_sync_pass_rewrite", 506bfcdb3d6Sloli10K "zfs_sync_taskq_batch_pct", 507bfcdb3d6Sloli10K "zfs_top_maxinflight", 508bfcdb3d6Sloli10K "zfs_txg_timeout", 509bfcdb3d6Sloli10K "zfs_vdev_aggregation_limit", 510bfcdb3d6Sloli10K "zfs_vdev_async_read_max_active", 511bfcdb3d6Sloli10K "zfs_vdev_async_read_min_active", 512bfcdb3d6Sloli10K "zfs_vdev_async_write_active_max_dirty_percent", 513bfcdb3d6Sloli10K "zfs_vdev_async_write_active_min_dirty_percent", 514bfcdb3d6Sloli10K "zfs_vdev_async_write_max_active", 515bfcdb3d6Sloli10K "zfs_vdev_async_write_min_active", 516bfcdb3d6Sloli10K "zfs_vdev_cache_bshift", 517bfcdb3d6Sloli10K "zfs_vdev_cache_max", 518bfcdb3d6Sloli10K "zfs_vdev_cache_size", 519bfcdb3d6Sloli10K "zfs_vdev_max_active", 520bfcdb3d6Sloli10K "zfs_vdev_queue_depth_pct", 521bfcdb3d6Sloli10K "zfs_vdev_read_gap_limit", 522bfcdb3d6Sloli10K "zfs_vdev_removal_max_active", 523bfcdb3d6Sloli10K "zfs_vdev_removal_min_active", 524bfcdb3d6Sloli10K "zfs_vdev_scrub_max_active", 525bfcdb3d6Sloli10K "zfs_vdev_scrub_min_active", 526bfcdb3d6Sloli10K "zfs_vdev_sync_read_max_active", 527bfcdb3d6Sloli10K "zfs_vdev_sync_read_min_active", 528bfcdb3d6Sloli10K "zfs_vdev_sync_write_max_active", 529bfcdb3d6Sloli10K "zfs_vdev_sync_write_min_active", 530bfcdb3d6Sloli10K "zfs_vdev_write_gap_limit", 531bfcdb3d6Sloli10K "zfs_write_implies_delete_child", 532bfcdb3d6Sloli10K "zfs_zil_clean_taskq_maxalloc", 533bfcdb3d6Sloli10K "zfs_zil_clean_taskq_minalloc", 534bfcdb3d6Sloli10K "zfs_zil_clean_taskq_nthr_pct", 535bfcdb3d6Sloli10K "zil_replay_disable", 536bfcdb3d6Sloli10K "zil_slog_bulk", 537bfcdb3d6Sloli10K "zio_buf_debug_limit", 538bfcdb3d6Sloli10K "zio_dva_throttle_enabled", 539614409b5Sahrens "zio_injection_enabled", 540614409b5Sahrens "zvol_immediate_write_sz", 541bfcdb3d6Sloli10K "zvol_maxphys", 542bfcdb3d6Sloli10K "zvol_unmap_enabled", 543bfcdb3d6Sloli10K "zvol_unmap_sync_enabled", 5445ac95da7SSerapheim Dimitropoulos "zfs_max_dataset_nesting", 545614409b5Sahrens }; 546614409b5Sahrens 547b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 548614409b5Sahrens int sz; 549614409b5Sahrens uint64_t val64; 550614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 551614409b5Sahrens 552614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 553614409b5Sahrens if (sz == 4) { 554614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 555614409b5Sahrens } else if (sz == 8) { 556614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 557614409b5Sahrens } else { 558614409b5Sahrens mdb_warn("variable %s not found", params[i]); 559614409b5Sahrens } 560614409b5Sahrens } 561614409b5Sahrens 562614409b5Sahrens return (DCMD_OK); 563614409b5Sahrens } 564614409b5Sahrens 565614409b5Sahrens /* ARGSUSED */ 566614409b5Sahrens static int 5675cabbc6bSPrashanth Sreenivasa dva(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5685cabbc6bSPrashanth Sreenivasa { 5695cabbc6bSPrashanth Sreenivasa dva_t dva; 5705cabbc6bSPrashanth Sreenivasa if (mdb_vread(&dva, sizeof (dva_t), addr) == -1) { 5715cabbc6bSPrashanth Sreenivasa mdb_warn("failed to read dva_t"); 5725cabbc6bSPrashanth Sreenivasa return (DCMD_ERR); 5735cabbc6bSPrashanth Sreenivasa } 5745cabbc6bSPrashanth Sreenivasa mdb_printf("<%llu:%llx:%llx>\n", 5755cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_VDEV(&dva), 5765cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_OFFSET(&dva), 5775cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_ASIZE(&dva)); 5785cabbc6bSPrashanth Sreenivasa 5795cabbc6bSPrashanth Sreenivasa return (DCMD_OK); 5805cabbc6bSPrashanth Sreenivasa } 5815cabbc6bSPrashanth Sreenivasa 582eb633035STom Caputi typedef struct mdb_dmu_object_type_info { 583eb633035STom Caputi boolean_t ot_encrypt; 584eb633035STom Caputi } mdb_dmu_object_type_info_t; 585eb633035STom Caputi 586eb633035STom Caputi static boolean_t 587eb633035STom Caputi mdb_dmu_ot_is_encrypted_impl(dmu_object_type_t ot) 588eb633035STom Caputi { 589eb633035STom Caputi mdb_dmu_object_type_info_t mdoti; 590eb633035STom Caputi GElf_Sym sym; 591eb633035STom Caputi size_t sz = mdb_ctf_sizeof_by_name("dmu_object_type_info_t"); 592eb633035STom Caputi 593eb633035STom Caputi if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "dmu_ot", &sym)) { 594eb633035STom Caputi mdb_warn("failed to find " ZFS_OBJ_NAME "`dmu_ot"); 595eb633035STom Caputi return (B_FALSE); 596eb633035STom Caputi } 597eb633035STom Caputi 598eb633035STom Caputi if (mdb_ctf_vread(&mdoti, "dmu_object_type_info_t", 599eb633035STom Caputi "mdb_dmu_object_type_info_t", sym.st_value + sz * ot, 0) != 0) { 600eb633035STom Caputi return (B_FALSE); 601eb633035STom Caputi } 602eb633035STom Caputi 603eb633035STom Caputi return (mdoti.ot_encrypt); 604eb633035STom Caputi } 605eb633035STom Caputi 6065cabbc6bSPrashanth Sreenivasa /* ARGSUSED */ 6075cabbc6bSPrashanth Sreenivasa static int 608fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 609fa9e4066Sahrens { 610b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 611b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 612b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 613fa9e4066Sahrens 614b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 615fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 616fa9e4066Sahrens return (DCMD_ERR); 617fa9e4066Sahrens } 618fa9e4066Sahrens 6198363e80aSGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_", 6208363e80aSGeorge Wilson sizeof (type), type) == -1 || 6218363e80aSGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp), 6228363e80aSGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 || 6238363e80aSGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp), 6248363e80aSGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) { 625b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 626fa9e4066Sahrens return (DCMD_ERR); 627fa9e4066Sahrens } 628fa9e4066Sahrens 62943466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 63043466aaeSMax Grossman checksum, compress); 631fa9e4066Sahrens 632b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 633fa9e4066Sahrens 634fa9e4066Sahrens return (DCMD_OK); 635fa9e4066Sahrens } 636fa9e4066Sahrens 63728e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 63828e4da25SMatthew Ahrens struct { 63928e4da25SMatthew Ahrens uint64_t db_object; 6402515f5d4SJustin T. Gibbs uintptr_t db_data; 64128e4da25SMatthew Ahrens } db; 642d5ee8a13SMatthew Ahrens uintptr_t db_objset; 64328e4da25SMatthew Ahrens uint64_t db_level; 64428e4da25SMatthew Ahrens uint64_t db_blkid; 64528e4da25SMatthew Ahrens struct { 64628e4da25SMatthew Ahrens uint64_t rc_count; 64728e4da25SMatthew Ahrens } db_holds; 64828e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 64928e4da25SMatthew Ahrens 650fa9e4066Sahrens /* ARGSUSED */ 651fa9e4066Sahrens static int 652fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 653fa9e4066Sahrens { 65428e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 655fa9e4066Sahrens char objectname[32]; 656fa9e4066Sahrens char blkidname[32]; 6579adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 658ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 659fa9e4066Sahrens 66028e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 661ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 662ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 663fa9e4066Sahrens 66428e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 66528e4da25SMatthew Ahrens addr, 0) == -1) 666fa9e4066Sahrens return (DCMD_ERR); 667fa9e4066Sahrens 66828e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 669fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 670fa9e4066Sahrens else 671fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 67228e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 673fa9e4066Sahrens 67428e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 675fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 676fa9e4066Sahrens else 677fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 67828e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 679fa9e4066Sahrens 680d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 68128e4da25SMatthew Ahrens return (DCMD_ERR); 682fa9e4066Sahrens } 683fa9e4066Sahrens 684ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 68528e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 68628e4da25SMatthew Ahrens db.db_holds.rc_count, path); 687fa9e4066Sahrens 688fa9e4066Sahrens return (DCMD_OK); 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens /* ARGSUSED */ 692fa9e4066Sahrens static int 693fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 694fa9e4066Sahrens { 695fa9e4066Sahrens #define HISTOSZ 32 696fa9e4066Sahrens uintptr_t dbp; 697fa9e4066Sahrens dmu_buf_impl_t db; 698fa9e4066Sahrens dbuf_hash_table_t ht; 699fa9e4066Sahrens uint64_t bucket, ndbufs; 700fa9e4066Sahrens uint64_t histo[HISTOSZ]; 701fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 702fa9e4066Sahrens int i, maxidx; 703fa9e4066Sahrens 704fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 705fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 706fa9e4066Sahrens return (DCMD_ERR); 707fa9e4066Sahrens } 708fa9e4066Sahrens 709fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 710fa9e4066Sahrens histo[i] = 0; 711fa9e4066Sahrens histo2[i] = 0; 712fa9e4066Sahrens } 713fa9e4066Sahrens 714fa9e4066Sahrens ndbufs = 0; 715fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 716fa9e4066Sahrens int len; 717fa9e4066Sahrens 718fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 719fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 720fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 721fa9e4066Sahrens bucket, ht.hash_table+bucket); 722fa9e4066Sahrens return (DCMD_ERR); 723fa9e4066Sahrens } 724fa9e4066Sahrens 725fa9e4066Sahrens len = 0; 726fa9e4066Sahrens while (dbp != 0) { 727fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 728fa9e4066Sahrens dbp) == -1) { 729fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 730fa9e4066Sahrens return (DCMD_ERR); 731fa9e4066Sahrens } 732fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 733fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 734fa9e4066Sahrens histo2[i]++; 735fa9e4066Sahrens len++; 736fa9e4066Sahrens ndbufs++; 737fa9e4066Sahrens } 738fa9e4066Sahrens 739fa9e4066Sahrens if (len >= HISTOSZ) 740fa9e4066Sahrens len = HISTOSZ-1; 741fa9e4066Sahrens histo[len]++; 742fa9e4066Sahrens } 743fa9e4066Sahrens 744fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 745fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 746fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 747fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 748fa9e4066Sahrens 749fa9e4066Sahrens mdb_printf("\n"); 750fa9e4066Sahrens maxidx = 0; 751fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 752fa9e4066Sahrens if (histo[i] > 0) 753fa9e4066Sahrens maxidx = i; 754fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 755fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 756fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 757fa9e4066Sahrens 758fa9e4066Sahrens mdb_printf("\n"); 759fa9e4066Sahrens maxidx = 0; 760fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 761fa9e4066Sahrens if (histo2[i] > 0) 762fa9e4066Sahrens maxidx = i; 763fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 764fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 765fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 766fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 767fa9e4066Sahrens 768fa9e4066Sahrens 769fa9e4066Sahrens return (DCMD_OK); 770fa9e4066Sahrens } 771fa9e4066Sahrens 7723f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 7733f1f8012SMatthew Ahrens /* 7743f1f8012SMatthew Ahrens * ::zap_leaf [-v] 7753f1f8012SMatthew Ahrens * 7763f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 7773f1f8012SMatthew Ahrens */ 7783f1f8012SMatthew Ahrens /* ARGSUSED */ 7793f1f8012SMatthew Ahrens static int 7803f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7813f1f8012SMatthew Ahrens { 7823f1f8012SMatthew Ahrens char buf[16*1024]; 7833f1f8012SMatthew Ahrens int verbose = B_FALSE; 7843f1f8012SMatthew Ahrens int four = B_FALSE; 785c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 7863f1f8012SMatthew Ahrens zap_leaf_t l; 7873f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 7883f1f8012SMatthew Ahrens int i; 7893f1f8012SMatthew Ahrens 7903f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 7913f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 7923f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 7933f1f8012SMatthew Ahrens NULL) != argc) 7943f1f8012SMatthew Ahrens return (DCMD_USAGE); 7953f1f8012SMatthew Ahrens 796c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 797c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 7983f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 7993f1f8012SMatthew Ahrens if (four) 8003f1f8012SMatthew Ahrens l.l_bs = 12; 8013f1f8012SMatthew Ahrens 8023f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 8033f1f8012SMatthew Ahrens return (DCMD_USAGE); 8043f1f8012SMatthew Ahrens } 8053f1f8012SMatthew Ahrens 8063f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 8073f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 8083f1f8012SMatthew Ahrens return (DCMD_ERR); 8093f1f8012SMatthew Ahrens } 8103f1f8012SMatthew Ahrens 8113f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 8123f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 8133f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 8143f1f8012SMatthew Ahrens return (DCMD_ERR); 8153f1f8012SMatthew Ahrens } 8163f1f8012SMatthew Ahrens 8173f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 8183f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 8193f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 8203f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 8213f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 8223f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 8233f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 8243f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 8253f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 8263f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 8273f1f8012SMatthew Ahrens 8283f1f8012SMatthew Ahrens if (verbose) { 8293f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 8303f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 8313f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 8323f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 8333f1f8012SMatthew Ahrens } 8343f1f8012SMatthew Ahrens } 8353f1f8012SMatthew Ahrens 8363f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 8373f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 8383f1f8012SMatthew Ahrens /* LINTED: alignment */ 8393f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 8403f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 8413f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 8423f1f8012SMatthew Ahrens if (verbose) { 8433f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 8443f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 8453f1f8012SMatthew Ahrens } 8463f1f8012SMatthew Ahrens break; 8473f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 8483f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 8493f1f8012SMatthew Ahrens if (verbose) { 8503f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 8513f1f8012SMatthew Ahrens zlc->l_entry.le_next); 8523f1f8012SMatthew Ahrens } 8533f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 8543f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 8553f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 8563f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 8573f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 8583f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 8593f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 8603f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 8613f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 8623f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 8633f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 8643f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 8653f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 8663f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 8673f1f8012SMatthew Ahrens break; 8683f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 8693f9d6ad7SLin Ling mdb_printf(" %u: array", i); 8703f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 8713f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 8723f9d6ad7SLin Ling mdb_printf("\n"); 8733f1f8012SMatthew Ahrens if (verbose) { 8743f1f8012SMatthew Ahrens int j; 8753f1f8012SMatthew Ahrens mdb_printf(" "); 8763f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 8773f1f8012SMatthew Ahrens mdb_printf("%02x ", 8783f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 8793f1f8012SMatthew Ahrens } 8803f1f8012SMatthew Ahrens mdb_printf("\n"); 8813f1f8012SMatthew Ahrens } 8823f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 8833f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 8843f1f8012SMatthew Ahrens zlc->l_array.la_next); 8853f1f8012SMatthew Ahrens } 8863f1f8012SMatthew Ahrens break; 8873f1f8012SMatthew Ahrens default: 8883f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 8893f1f8012SMatthew Ahrens zlc->l_entry.le_type); 8903f1f8012SMatthew Ahrens } 8913f1f8012SMatthew Ahrens } 8923f1f8012SMatthew Ahrens 8933f1f8012SMatthew Ahrens return (DCMD_OK); 8943f1f8012SMatthew Ahrens } 8953f1f8012SMatthew Ahrens 896fa9e4066Sahrens typedef struct dbufs_data { 897fa9e4066Sahrens mdb_ctf_id_t id; 898fa9e4066Sahrens uint64_t objset; 899fa9e4066Sahrens uint64_t object; 900fa9e4066Sahrens uint64_t level; 901fa9e4066Sahrens uint64_t blkid; 902fa9e4066Sahrens char *osname; 903fa9e4066Sahrens } dbufs_data_t; 904fa9e4066Sahrens 905fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 906fa9e4066Sahrens 907fa9e4066Sahrens /* ARGSUSED */ 908fa9e4066Sahrens static int 909fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 910fa9e4066Sahrens { 911fa9e4066Sahrens dbufs_data_t *data = arg; 912fa9e4066Sahrens uintptr_t objset; 913fa9e4066Sahrens dmu_buf_t db; 914fa9e4066Sahrens uint8_t level; 915fa9e4066Sahrens uint64_t blkid; 9169adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 917fa9e4066Sahrens 918fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 919fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 920fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 921fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 922fa9e4066Sahrens return (WALK_ERR); 923fa9e4066Sahrens } 924fa9e4066Sahrens 925fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 926fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 927fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 928fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 929fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 930fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 931fa9e4066Sahrens mdb_printf("%#lr\n", addr); 932fa9e4066Sahrens } 933fa9e4066Sahrens return (WALK_NEXT); 934fa9e4066Sahrens } 935fa9e4066Sahrens 936fa9e4066Sahrens /* ARGSUSED */ 937fa9e4066Sahrens static int 938fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 939fa9e4066Sahrens { 940fa9e4066Sahrens dbufs_data_t data; 941fa9e4066Sahrens char *object = NULL; 942fa9e4066Sahrens char *blkid = NULL; 943fa9e4066Sahrens 944fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 945fa9e4066Sahrens data.osname = NULL; 946fa9e4066Sahrens 947fa9e4066Sahrens if (mdb_getopts(argc, argv, 948fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 949fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 950fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 951fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 9523b442230SJordan Paige Hendricks 'b', MDB_OPT_STR, &blkid, 9533b442230SJordan Paige Hendricks NULL) != argc) { 954fa9e4066Sahrens return (DCMD_USAGE); 955fa9e4066Sahrens } 956fa9e4066Sahrens 957fa9e4066Sahrens if (object) { 958fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 959fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 960fa9e4066Sahrens } else { 961fa9e4066Sahrens data.object = mdb_strtoull(object); 962fa9e4066Sahrens } 963fa9e4066Sahrens } 964fa9e4066Sahrens 965fa9e4066Sahrens if (blkid) { 966fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 9670a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 968fa9e4066Sahrens } else { 969fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 970fa9e4066Sahrens } 971fa9e4066Sahrens } 972fa9e4066Sahrens 97328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 974fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 975fa9e4066Sahrens return (DCMD_ERR); 976fa9e4066Sahrens } 977fa9e4066Sahrens 9785f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 979fa9e4066Sahrens mdb_warn("can't walk dbufs"); 980fa9e4066Sahrens return (DCMD_ERR); 981fa9e4066Sahrens } 982fa9e4066Sahrens 983fa9e4066Sahrens return (DCMD_OK); 984fa9e4066Sahrens } 985fa9e4066Sahrens 986fa9e4066Sahrens typedef struct abuf_find_data { 987fa9e4066Sahrens dva_t dva; 988fa9e4066Sahrens mdb_ctf_id_t id; 989fa9e4066Sahrens } abuf_find_data_t; 990fa9e4066Sahrens 991fa9e4066Sahrens /* ARGSUSED */ 992fa9e4066Sahrens static int 993fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 994fa9e4066Sahrens { 995fa9e4066Sahrens abuf_find_data_t *data = arg; 996fa9e4066Sahrens dva_t dva; 997fa9e4066Sahrens 998fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 999fa9e4066Sahrens return (WALK_ERR); 1000fa9e4066Sahrens } 1001fa9e4066Sahrens 1002fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 1003fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 1004fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1005fa9e4066Sahrens } 1006fa9e4066Sahrens return (WALK_NEXT); 1007fa9e4066Sahrens } 1008fa9e4066Sahrens 10098b06eaf6SJason King typedef struct mdb_arc_state { 10108b06eaf6SJason King uintptr_t arcs_list[ARC_BUFC_NUMTYPES]; 10118b06eaf6SJason King } mdb_arc_state_t; 10128b06eaf6SJason King 1013fa9e4066Sahrens /* ARGSUSED */ 1014fa9e4066Sahrens static int 1015fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1016fa9e4066Sahrens { 1017fa9e4066Sahrens abuf_find_data_t data; 1018fa9e4066Sahrens GElf_Sym sym; 10198b06eaf6SJason King int i, j; 1020fa9e4066Sahrens const char *syms[] = { 1021a2eea2e1Sahrens "ARC_mru", 1022a2eea2e1Sahrens "ARC_mru_ghost", 1023a2eea2e1Sahrens "ARC_mfu", 1024a2eea2e1Sahrens "ARC_mfu_ghost", 1025fa9e4066Sahrens }; 1026fa9e4066Sahrens 1027fa9e4066Sahrens if (argc != 2) 1028fa9e4066Sahrens return (DCMD_USAGE); 1029fa9e4066Sahrens 1030fa9e4066Sahrens for (i = 0; i < 2; i ++) { 1031fa9e4066Sahrens switch (argv[i].a_type) { 1032fa9e4066Sahrens case MDB_TYPE_STRING: 1033fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 1034fa9e4066Sahrens break; 1035fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 1036fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 1037fa9e4066Sahrens break; 1038fa9e4066Sahrens default: 1039fa9e4066Sahrens return (DCMD_USAGE); 1040fa9e4066Sahrens } 1041fa9e4066Sahrens } 1042fa9e4066Sahrens 104328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 1044fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 1045fa9e4066Sahrens return (DCMD_ERR); 1046fa9e4066Sahrens } 1047fa9e4066Sahrens 1048fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 10498b06eaf6SJason King mdb_arc_state_t mas; 10508b06eaf6SJason King 105122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 1052fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 1053fa9e4066Sahrens return (DCMD_ERR); 1054fa9e4066Sahrens } 1055fa9e4066Sahrens 10568b06eaf6SJason King if (mdb_ctf_vread(&mas, "arc_state_t", "mdb_arc_state_t", 10578b06eaf6SJason King sym.st_value, 0) != 0) { 10588b06eaf6SJason King mdb_warn("can't read arcs_list of %s", syms[i]); 10598b06eaf6SJason King return (DCMD_ERR); 10608b06eaf6SJason King } 10618b06eaf6SJason King 10628b06eaf6SJason King for (j = 0; j < ARC_BUFC_NUMTYPES; j++) { 10638b06eaf6SJason King uintptr_t addr = mas.arcs_list[j]; 10648b06eaf6SJason King 10658b06eaf6SJason King if (addr == 0) 10668b06eaf6SJason King continue; 10678b06eaf6SJason King 10688b06eaf6SJason King if (mdb_pwalk("multilist", abuf_find_cb, &data, 10698b06eaf6SJason King addr) != 0) { 1070fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 1071fa9e4066Sahrens return (DCMD_ERR); 1072fa9e4066Sahrens } 1073fa9e4066Sahrens } 10748b06eaf6SJason King } 1075fa9e4066Sahrens 1076fa9e4066Sahrens return (DCMD_OK); 1077fa9e4066Sahrens } 1078fa9e4066Sahrens 107928e4da25SMatthew Ahrens 108028e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 108128e4da25SMatthew Ahrens boolean_t da_verbose; 108228e4da25SMatthew Ahrens boolean_t da_address; 108328e4da25SMatthew Ahrens } dbgmsg_arg_t; 108428e4da25SMatthew Ahrens 108544cb6abcSbmc /* ARGSUSED */ 108644cb6abcSbmc static int 10873f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 10883f9d6ad7SLin Ling { 10893f9d6ad7SLin Ling static mdb_ctf_id_t id; 10903f9d6ad7SLin Ling static boolean_t gotid; 10913f9d6ad7SLin Ling static ulong_t off; 10923f9d6ad7SLin Ling 109328e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 10943f9d6ad7SLin Ling time_t timestamp; 10953f9d6ad7SLin Ling char buf[1024]; 10963f9d6ad7SLin Ling 10973f9d6ad7SLin Ling if (!gotid) { 109828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 109928e4da25SMatthew Ahrens -1) { 11003f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 11013f9d6ad7SLin Ling return (WALK_ERR); 11023f9d6ad7SLin Ling } 11033f9d6ad7SLin Ling gotid = TRUE; 11043f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 11053f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 11063f9d6ad7SLin Ling return (WALK_ERR); 11073f9d6ad7SLin Ling } 11083f9d6ad7SLin Ling off /= 8; 11093f9d6ad7SLin Ling } 11103f9d6ad7SLin Ling 11113f9d6ad7SLin Ling 11123f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 11133f9d6ad7SLin Ling return (WALK_ERR); 11143f9d6ad7SLin Ling } 11153f9d6ad7SLin Ling 11163f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 11173f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 11183f9d6ad7SLin Ling return (DCMD_ERR); 11193f9d6ad7SLin Ling } 11203f9d6ad7SLin Ling 112128e4da25SMatthew Ahrens if (da->da_address) 112228e4da25SMatthew Ahrens mdb_printf("%p ", addr); 112328e4da25SMatthew Ahrens if (da->da_verbose) 11243f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 11253f9d6ad7SLin Ling 11263f9d6ad7SLin Ling mdb_printf("%s\n", buf); 11273f9d6ad7SLin Ling 112828e4da25SMatthew Ahrens if (da->da_verbose) 11293f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 11303f9d6ad7SLin Ling 11313f9d6ad7SLin Ling return (WALK_NEXT); 11323f9d6ad7SLin Ling } 11333f9d6ad7SLin Ling 11343f9d6ad7SLin Ling /* ARGSUSED */ 11353f9d6ad7SLin Ling static int 11363f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 11373f9d6ad7SLin Ling { 11383f9d6ad7SLin Ling GElf_Sym sym; 113928e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 11403f9d6ad7SLin Ling 11413f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 114228e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 114328e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 11443f9d6ad7SLin Ling NULL) != argc) 11453f9d6ad7SLin Ling return (DCMD_USAGE); 11463f9d6ad7SLin Ling 11473b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 11483f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 11493f9d6ad7SLin Ling return (DCMD_ERR); 11503f9d6ad7SLin Ling } 11513f9d6ad7SLin Ling 115228e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 11533f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 11543f9d6ad7SLin Ling return (DCMD_ERR); 11553f9d6ad7SLin Ling } 11563f9d6ad7SLin Ling 11573f9d6ad7SLin Ling return (DCMD_OK); 11583f9d6ad7SLin Ling } 11593f9d6ad7SLin Ling 11603f9d6ad7SLin Ling /*ARGSUSED*/ 11613f9d6ad7SLin Ling static int 116244cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 116344cb6abcSbmc { 116444cb6abcSbmc kstat_named_t *stats; 116544cb6abcSbmc GElf_Sym sym; 116691ebeef5Sahrens int nstats, i; 116744cb6abcSbmc uint_t opt_a = FALSE; 116891ebeef5Sahrens uint_t opt_b = FALSE; 116991ebeef5Sahrens uint_t shift = 0; 117091ebeef5Sahrens const char *suffix; 117144cb6abcSbmc 117291ebeef5Sahrens static const char *bytestats[] = { 11739253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 117420128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 11754076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 11764076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 11774076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 11784076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 11794076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 11804076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 11814076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 11824076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 11834076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 11844076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 1185dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 11869253d63dSGeorge Wilson NULL 118791ebeef5Sahrens }; 118891ebeef5Sahrens 118991ebeef5Sahrens static const char *extras[] = { 119091ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 119191ebeef5Sahrens NULL 119244cb6abcSbmc }; 119344cb6abcSbmc 119422ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 119544cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 119644cb6abcSbmc return (DCMD_ERR); 119744cb6abcSbmc } 119844cb6abcSbmc 119944cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 120044cb6abcSbmc 120144cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 120244cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 120344cb6abcSbmc return (DCMD_ERR); 120444cb6abcSbmc } 120544cb6abcSbmc 120644cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 120744cb6abcSbmc 120891ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 120991ebeef5Sahrens if (mdb_getopts(argc, argv, 121091ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 121191ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 121291ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 121391ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 121491ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 121591ebeef5Sahrens NULL) != argc) 121644cb6abcSbmc return (DCMD_USAGE); 121744cb6abcSbmc 121891ebeef5Sahrens if (!opt_b && !shift) 121991ebeef5Sahrens shift = 20; 122044cb6abcSbmc 122191ebeef5Sahrens switch (shift) { 122291ebeef5Sahrens case 0: 122391ebeef5Sahrens suffix = "B"; 122491ebeef5Sahrens break; 122591ebeef5Sahrens case 10: 122691ebeef5Sahrens suffix = "KB"; 122791ebeef5Sahrens break; 122891ebeef5Sahrens case 20: 122991ebeef5Sahrens suffix = "MB"; 123091ebeef5Sahrens break; 123191ebeef5Sahrens case 30: 123291ebeef5Sahrens suffix = "GB"; 123391ebeef5Sahrens break; 123491ebeef5Sahrens default: 123591ebeef5Sahrens suffix = "XX"; 123691ebeef5Sahrens } 123791ebeef5Sahrens 123844cb6abcSbmc for (i = 0; i < nstats; i++) { 123991ebeef5Sahrens int j; 124091ebeef5Sahrens boolean_t bytes = B_FALSE; 124191ebeef5Sahrens 124291ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 124391ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 124491ebeef5Sahrens bytes = B_TRUE; 124591ebeef5Sahrens break; 124691ebeef5Sahrens } 124791ebeef5Sahrens } 124891ebeef5Sahrens 124991ebeef5Sahrens if (bytes) { 125091ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 125191ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 125291ebeef5Sahrens } else { 125391ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 125444cb6abcSbmc stats[i].value.ui64); 125544cb6abcSbmc } 125644cb6abcSbmc } 125744cb6abcSbmc 125891ebeef5Sahrens for (i = 0; extras[i]; i++) { 125944cb6abcSbmc uint64_t buf; 126044cb6abcSbmc 126122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 126291ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 126344cb6abcSbmc return (DCMD_ERR); 126444cb6abcSbmc } 126544cb6abcSbmc 126644cb6abcSbmc if (sym.st_size != sizeof (uint64_t) && 126744cb6abcSbmc sym.st_size != sizeof (uint32_t)) { 126891ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 126991ebeef5Sahrens extras[i]); 127044cb6abcSbmc return (DCMD_ERR); 127144cb6abcSbmc } 127244cb6abcSbmc 127344cb6abcSbmc if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 127491ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 127544cb6abcSbmc return (DCMD_ERR); 127644cb6abcSbmc } 127744cb6abcSbmc 127891ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 127944cb6abcSbmc 128091ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 128144cb6abcSbmc if (sym.st_size == sizeof (uint64_t)) 128291ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 128344cb6abcSbmc 128444cb6abcSbmc if (sym.st_size == sizeof (uint32_t)) 128591ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 128644cb6abcSbmc } 128744cb6abcSbmc return (DCMD_OK); 128844cb6abcSbmc } 128944cb6abcSbmc 129022ce0148SMatthew Ahrens typedef struct mdb_spa_print { 129122ce0148SMatthew Ahrens pool_state_t spa_state; 12929adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 129391e2a09fSSteve Gonczi uintptr_t spa_normal_class; 129422ce0148SMatthew Ahrens } mdb_spa_print_t; 129522ce0148SMatthew Ahrens 129691e2a09fSSteve Gonczi 129791e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 129891e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 129991e2a09fSSteve Gonczi 130091e2a09fSSteve Gonczi static void 130191e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 130291e2a09fSSteve Gonczi { 130391e2a09fSSteve Gonczi int i; 130491e2a09fSSteve Gonczi int minidx = size - 1; 130591e2a09fSSteve Gonczi int maxidx = 0; 130691e2a09fSSteve Gonczi uint64_t max = 0; 130791e2a09fSSteve Gonczi 130891e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 130991e2a09fSSteve Gonczi if (histo[i] > max) 131091e2a09fSSteve Gonczi max = histo[i]; 131191e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 131291e2a09fSSteve Gonczi maxidx = i; 131391e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 131491e2a09fSSteve Gonczi minidx = i; 131591e2a09fSSteve Gonczi } 131691e2a09fSSteve Gonczi 131791e2a09fSSteve Gonczi if (max < histo_width) 131891e2a09fSSteve Gonczi max = histo_width; 131991e2a09fSSteve Gonczi 132091e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 132191e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 132291e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 132391e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 132491e2a09fSSteve Gonczi } 132591e2a09fSSteve Gonczi } 132691e2a09fSSteve Gonczi 132791e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 132891e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 132991e2a09fSSteve Gonczi } mdb_metaslab_class_t; 133091e2a09fSSteve Gonczi 133191e2a09fSSteve Gonczi /* 133291e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 133391e2a09fSSteve Gonczi * 133491e2a09fSSteve Gonczi * Prints free space histogram for a device class 133591e2a09fSSteve Gonczi * 133691e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 133791e2a09fSSteve Gonczi */ 133891e2a09fSSteve Gonczi static int 133991e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 134091e2a09fSSteve Gonczi { 134191e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 134291e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 134391e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 134491e2a09fSSteve Gonczi return (DCMD_ERR); 134591e2a09fSSteve Gonczi 134691e2a09fSSteve Gonczi mdb_inc_indent(4); 134791e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 134891e2a09fSSteve Gonczi mdb_dec_indent(4); 134991e2a09fSSteve Gonczi return (DCMD_OK); 135091e2a09fSSteve Gonczi } 135191e2a09fSSteve Gonczi 1352fa9e4066Sahrens /* 1353fa9e4066Sahrens * ::spa 1354fa9e4066Sahrens * 1355fa9e4066Sahrens * -c Print configuration information as well 1356fa9e4066Sahrens * -v Print vdev state 1357fa9e4066Sahrens * -e Print vdev error stats 13582e4c9986SGeorge Wilson * -m Print vdev metaslab info 13592e4c9986SGeorge Wilson * -M print vdev metaslab group info 13602e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1361fa9e4066Sahrens * 1362fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1363fa9e4066Sahrens * active pools on the system. 1364fa9e4066Sahrens */ 1365fa9e4066Sahrens /* ARGSUSED */ 1366fa9e4066Sahrens static int 1367fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1368fa9e4066Sahrens { 1369fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1370e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1371fa9e4066Sahrens const char *state; 13722e4c9986SGeorge Wilson int spa_flags = 0; 1373fa9e4066Sahrens 1374fa9e4066Sahrens if (mdb_getopts(argc, argv, 13752e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 13762e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 13772e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 13782e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 13792e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 13802e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1381fa9e4066Sahrens NULL) != argc) 1382fa9e4066Sahrens return (DCMD_USAGE); 1383fa9e4066Sahrens 1384fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1385fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1386fa9e4066Sahrens mdb_warn("can't walk spa"); 1387fa9e4066Sahrens return (DCMD_ERR); 1388fa9e4066Sahrens } 1389fa9e4066Sahrens 1390fa9e4066Sahrens return (DCMD_OK); 1391fa9e4066Sahrens } 1392fa9e4066Sahrens 1393fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1394fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1395fa9e4066Sahrens return (DCMD_OK); 1396fa9e4066Sahrens } 1397fa9e4066Sahrens 1398fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1399fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1400fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1401fa9e4066Sahrens 140222ce0148SMatthew Ahrens mdb_spa_print_t spa; 140322ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1404fa9e4066Sahrens return (DCMD_ERR); 1405fa9e4066Sahrens 1406fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1407ea8dc4b6Seschrock state = "UNKNOWN"; 1408fa9e4066Sahrens else 1409fa9e4066Sahrens state = statetab[spa.spa_state]; 1410fa9e4066Sahrens 1411e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 141291e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 141391e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1414fa9e4066Sahrens 14152e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1416fa9e4066Sahrens mdb_printf("\n"); 1417fa9e4066Sahrens mdb_inc_indent(4); 1418fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1419fa9e4066Sahrens NULL) != DCMD_OK) 1420fa9e4066Sahrens return (DCMD_ERR); 1421fa9e4066Sahrens mdb_dec_indent(4); 1422fa9e4066Sahrens } 1423fa9e4066Sahrens 14242e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1425fa9e4066Sahrens mdb_arg_t v; 14262e4c9986SGeorge Wilson char opts[100] = "-"; 14272e4c9986SGeorge Wilson int args = 14282e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 14292e4c9986SGeorge Wilson 14302e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 14312e4c9986SGeorge Wilson strcat(opts, "e"); 14322e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 14332e4c9986SGeorge Wilson strcat(opts, "m"); 14342e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 14352e4c9986SGeorge Wilson strcat(opts, "M"); 14362e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14372e4c9986SGeorge Wilson strcat(opts, "h"); 1438fa9e4066Sahrens 1439fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 14402e4c9986SGeorge Wilson v.a_un.a_str = opts; 1441fa9e4066Sahrens 1442fa9e4066Sahrens mdb_printf("\n"); 1443fa9e4066Sahrens mdb_inc_indent(4); 14442e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1445fa9e4066Sahrens &v) != DCMD_OK) 1446fa9e4066Sahrens return (DCMD_ERR); 1447fa9e4066Sahrens mdb_dec_indent(4); 1448fa9e4066Sahrens } 1449fa9e4066Sahrens 1450fa9e4066Sahrens return (DCMD_OK); 1451fa9e4066Sahrens } 1452fa9e4066Sahrens 145328e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1454d5ee8a13SMatthew Ahrens uintptr_t spa_config; 145528e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 145628e4da25SMatthew Ahrens 1457fa9e4066Sahrens /* 1458fa9e4066Sahrens * ::spa_config 1459fa9e4066Sahrens * 1460fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1461fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1462fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1463fa9e4066Sahrens */ 1464fa9e4066Sahrens /* ARGSUSED */ 1465fa9e4066Sahrens static int 1466fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1467fa9e4066Sahrens { 146828e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1469fa9e4066Sahrens 1470fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1471fa9e4066Sahrens return (DCMD_USAGE); 1472fa9e4066Sahrens 147328e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 147428e4da25SMatthew Ahrens addr, 0) == -1) 1475fa9e4066Sahrens return (DCMD_ERR); 1476fa9e4066Sahrens 1477d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1478fa9e4066Sahrens mdb_printf("(none)\n"); 1479fa9e4066Sahrens return (DCMD_OK); 1480fa9e4066Sahrens } 1481fa9e4066Sahrens 1482d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1483fa9e4066Sahrens 0, NULL)); 1484fa9e4066Sahrens } 1485fa9e4066Sahrens 14862e4c9986SGeorge Wilson typedef struct mdb_range_tree { 1487814dcd43SSerapheim Dimitropoulos struct { 14884d7988d6SPaul Dagnelie uint64_t bt_num_elems; 14894d7988d6SPaul Dagnelie uint64_t bt_num_nodes; 1490814dcd43SSerapheim Dimitropoulos } rt_root; 14912e4c9986SGeorge Wilson uint64_t rt_space; 14924d7988d6SPaul Dagnelie range_seg_type_t rt_type; 14934d7988d6SPaul Dagnelie uint8_t rt_shift; 14944d7988d6SPaul Dagnelie uint64_t rt_start; 14952e4c9986SGeorge Wilson } mdb_range_tree_t; 14962e4c9986SGeorge Wilson 14972e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 14982e4c9986SGeorge Wilson uint64_t mg_fragmentation; 14992e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 15008363e80aSGeorge Wilson uintptr_t mg_vd; 15012e4c9986SGeorge Wilson } mdb_metaslab_group_t; 15022e4c9986SGeorge Wilson 15032e4c9986SGeorge Wilson typedef struct mdb_metaslab { 15042e4c9986SGeorge Wilson uint64_t ms_id; 15052e4c9986SGeorge Wilson uint64_t ms_start; 15062e4c9986SGeorge Wilson uint64_t ms_size; 15078363e80aSGeorge Wilson int64_t ms_deferspace; 15082e4c9986SGeorge Wilson uint64_t ms_fragmentation; 15098363e80aSGeorge Wilson uint64_t ms_weight; 151086714001SSerapheim Dimitropoulos uintptr_t ms_allocating[TXG_SIZE]; 151186714001SSerapheim Dimitropoulos uintptr_t ms_checkpointing; 151286714001SSerapheim Dimitropoulos uintptr_t ms_freeing; 151386714001SSerapheim Dimitropoulos uintptr_t ms_freed; 151486714001SSerapheim Dimitropoulos uintptr_t ms_allocatable; 1515814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_frees; 1516814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_allocs; 15172e4c9986SGeorge Wilson uintptr_t ms_sm; 15182e4c9986SGeorge Wilson } mdb_metaslab_t; 15192e4c9986SGeorge Wilson 15202e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 152186714001SSerapheim Dimitropoulos int64_t smp_alloc; 15222e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 15232e4c9986SGeorge Wilson } mdb_space_map_phys_t; 15242e4c9986SGeorge Wilson 15252e4c9986SGeorge Wilson typedef struct mdb_space_map { 15262e4c9986SGeorge Wilson uint64_t sm_size; 15272e4c9986SGeorge Wilson uint8_t sm_shift; 15282e4c9986SGeorge Wilson uintptr_t sm_phys; 15292e4c9986SGeorge Wilson } mdb_space_map_t; 15302e4c9986SGeorge Wilson 15312e4c9986SGeorge Wilson typedef struct mdb_vdev { 15328363e80aSGeorge Wilson uint64_t vdev_id; 1533814dcd43SSerapheim Dimitropoulos uint64_t vdev_state; 1534814dcd43SSerapheim Dimitropoulos uintptr_t vdev_ops; 1535814dcd43SSerapheim Dimitropoulos struct { 1536814dcd43SSerapheim Dimitropoulos uint64_t vs_aux; 1537814dcd43SSerapheim Dimitropoulos uint64_t vs_ops[VS_ZIO_TYPES]; 1538814dcd43SSerapheim Dimitropoulos uint64_t vs_bytes[VS_ZIO_TYPES]; 1539814dcd43SSerapheim Dimitropoulos uint64_t vs_read_errors; 1540814dcd43SSerapheim Dimitropoulos uint64_t vs_write_errors; 1541814dcd43SSerapheim Dimitropoulos uint64_t vs_checksum_errors; 1542814dcd43SSerapheim Dimitropoulos } vdev_stat; 1543814dcd43SSerapheim Dimitropoulos uintptr_t vdev_child; 1544814dcd43SSerapheim Dimitropoulos uint64_t vdev_children; 1545814dcd43SSerapheim Dimitropoulos uint64_t vdev_ms_count; 1546814dcd43SSerapheim Dimitropoulos uintptr_t vdev_mg; 1547814dcd43SSerapheim Dimitropoulos uintptr_t vdev_ms; 1548814dcd43SSerapheim Dimitropoulos uintptr_t vdev_path; 15492e4c9986SGeorge Wilson } mdb_vdev_t; 15502e4c9986SGeorge Wilson 15518363e80aSGeorge Wilson typedef struct mdb_vdev_ops { 15528363e80aSGeorge Wilson char vdev_op_type[16]; 15538363e80aSGeorge Wilson } mdb_vdev_ops_t; 15548363e80aSGeorge Wilson 15552e4c9986SGeorge Wilson static int 1556814dcd43SSerapheim Dimitropoulos metaslab_stats(mdb_vdev_t *vd, int spa_flags) 15572e4c9986SGeorge Wilson { 15582e4c9986SGeorge Wilson mdb_inc_indent(4); 1559814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %6s %20s %10s %10s %10s%</u>\n", "ADDR", "ID", 1560814dcd43SSerapheim Dimitropoulos "OFFSET", "FREE", "FRAG", "UCMU"); 15612e4c9986SGeorge Wilson 1562814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 15632e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 1564814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1565814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1566814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 15672e4c9986SGeorge Wilson return (DCMD_ERR); 15682e4c9986SGeorge Wilson } 15692e4c9986SGeorge Wilson 1570814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 15712e4c9986SGeorge Wilson mdb_metaslab_t ms; 15722e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 1573814dcd43SSerapheim Dimitropoulos mdb_space_map_phys_t smp = { 0 }; 1574814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1575814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees, raw_free, raw_uchanges_mem; 1576d70f65dfSToomas Soome char free[MDB_NICENUM_BUFLEN]; 1577814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 15782e4c9986SGeorge Wilson 15792e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1580814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 15812e4c9986SGeorge Wilson return (DCMD_ERR); 15822e4c9986SGeorge Wilson 1583892ad162SToomas Soome if (ms.ms_sm != 0 && 15842e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 15852e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 15862e4c9986SGeorge Wilson return (DCMD_ERR); 15872e4c9986SGeorge Wilson 1588814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1589814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1590814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1591814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 15924d7988d6SPaul Dagnelie raw_uchanges_mem = rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1593814dcd43SSerapheim Dimitropoulos 1594814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1595814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1596814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1597814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 15984d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1599814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1600814dcd43SSerapheim Dimitropoulos 1601814dcd43SSerapheim Dimitropoulos raw_free = ms.ms_size; 1602814dcd43SSerapheim Dimitropoulos if (ms.ms_sm != 0 && sm.sm_phys != 0) { 160329d33d42SKody A Kantor (void) mdb_ctf_vread(&smp, "space_map_phys_t", 160429d33d42SKody A Kantor "mdb_space_map_phys_t", sm.sm_phys, 0); 1605814dcd43SSerapheim Dimitropoulos raw_free -= smp.smp_alloc; 160629d33d42SKody A Kantor } 1607814dcd43SSerapheim Dimitropoulos raw_free += ufrees - uallocs; 1608814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_free, free); 16092e4c9986SGeorge Wilson 16102e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 16112e4c9986SGeorge Wilson ms.ms_start, free); 16122e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 1613814dcd43SSerapheim Dimitropoulos mdb_printf("%9s ", "-"); 16142e4c9986SGeorge Wilson else 1615814dcd43SSerapheim Dimitropoulos mdb_printf("%9llu%% ", ms.ms_fragmentation); 1616814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 16172e4c9986SGeorge Wilson 1618814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != 0 && 1619814dcd43SSerapheim Dimitropoulos sm.sm_phys != 0) { 16202e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 16212e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 16222e4c9986SGeorge Wilson } 16232e4c9986SGeorge Wilson } 16242e4c9986SGeorge Wilson mdb_dec_indent(4); 16252e4c9986SGeorge Wilson return (DCMD_OK); 16262e4c9986SGeorge Wilson } 16272e4c9986SGeorge Wilson 16282e4c9986SGeorge Wilson static int 1629814dcd43SSerapheim Dimitropoulos metaslab_group_stats(mdb_vdev_t *vd, int spa_flags) 16302e4c9986SGeorge Wilson { 16312e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 16322e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 1633814dcd43SSerapheim Dimitropoulos vd->vdev_mg, 0) == -1) { 1634814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_mg at %p\n", vd->vdev_mg); 16352e4c9986SGeorge Wilson return (DCMD_ERR); 16362e4c9986SGeorge Wilson } 16372e4c9986SGeorge Wilson 16382e4c9986SGeorge Wilson mdb_inc_indent(4); 1639814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %7s %9s%</u>\n", "ADDR", "FRAG", "UCMU"); 1640814dcd43SSerapheim Dimitropoulos 16412e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 1642814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6s\n", vd->vdev_mg, "-"); 16432e4c9986SGeorge Wilson else 1644814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6llu%%", vd->vdev_mg, mg.mg_fragmentation); 1645814dcd43SSerapheim Dimitropoulos 1646814dcd43SSerapheim Dimitropoulos 1647814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 1648814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1649814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1650814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1651814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 1652814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1653814dcd43SSerapheim Dimitropoulos } 1654814dcd43SSerapheim Dimitropoulos 1655814dcd43SSerapheim Dimitropoulos uint64_t raw_uchanges_mem = 0; 1656814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 1657814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 1658814dcd43SSerapheim Dimitropoulos mdb_metaslab_t ms; 1659814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1660814dcd43SSerapheim Dimitropoulos 1661814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1662814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 1663814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1664814dcd43SSerapheim Dimitropoulos 1665814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1666814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1667814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 16684d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1669814dcd43SSerapheim Dimitropoulos 1670814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1671814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1672814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 16734d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1674814dcd43SSerapheim Dimitropoulos } 1675814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1676814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 16772e4c9986SGeorge Wilson 16782e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 16792e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 16802e4c9986SGeorge Wilson mdb_dec_indent(4); 16812e4c9986SGeorge Wilson return (DCMD_OK); 16822e4c9986SGeorge Wilson } 16832e4c9986SGeorge Wilson 1684fa9e4066Sahrens /* 1685fa9e4066Sahrens * ::vdev 1686fa9e4066Sahrens * 1687fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1688fa9e4066Sahrens * 1689fa9e4066Sahrens * ADDR STATE AUX DESC 1690fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1691fa9e4066Sahrens * 1692fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1693fa9e4066Sahrens * 1694fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1695fa9e4066Sahrens */ 1696fa9e4066Sahrens static int 16972e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 16982e4c9986SGeorge Wilson int spa_flags) 1699fa9e4066Sahrens { 1700814dcd43SSerapheim Dimitropoulos mdb_vdev_t vd; 1701814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&vd, "vdev_t", "mdb_vdev_t", 1702814dcd43SSerapheim Dimitropoulos (uintptr_t)addr, 0) == -1) 1703fa9e4066Sahrens return (DCMD_ERR); 1704fa9e4066Sahrens 1705fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1706b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1707fa9e4066Sahrens } else { 1708814dcd43SSerapheim Dimitropoulos char desc[MAXNAMELEN]; 1709814dcd43SSerapheim Dimitropoulos if (vd.vdev_path != 0) { 1710fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1711814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_path) == -1) { 1712fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1713814dcd43SSerapheim Dimitropoulos vd.vdev_path); 1714fa9e4066Sahrens return (DCMD_ERR); 1715fa9e4066Sahrens } 1716814dcd43SSerapheim Dimitropoulos } else if (vd.vdev_ops != 0) { 1717fa9e4066Sahrens vdev_ops_t ops; 1718fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1719814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_ops) == -1) { 1720fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1721814dcd43SSerapheim Dimitropoulos vd.vdev_ops); 1722fa9e4066Sahrens return (DCMD_ERR); 1723fa9e4066Sahrens } 1724fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1725fa9e4066Sahrens } else { 1726fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1727fa9e4066Sahrens } 1728fa9e4066Sahrens 1729fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1730fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1731fa9e4066Sahrens "ADDR", "STATE", "AUX", 1732fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1733fa9e4066Sahrens "DESCRIPTION"); 1734fa9e4066Sahrens 1735fa9e4066Sahrens mdb_printf("%0?p ", addr); 1736fa9e4066Sahrens 1737814dcd43SSerapheim Dimitropoulos const char *state, *aux; 1738814dcd43SSerapheim Dimitropoulos switch (vd.vdev_state) { 1739fa9e4066Sahrens case VDEV_STATE_CLOSED: 1740fa9e4066Sahrens state = "CLOSED"; 1741fa9e4066Sahrens break; 1742fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1743fa9e4066Sahrens state = "OFFLINE"; 1744fa9e4066Sahrens break; 1745fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1746fa9e4066Sahrens state = "CANT_OPEN"; 1747fa9e4066Sahrens break; 1748fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1749fa9e4066Sahrens state = "DEGRADED"; 1750fa9e4066Sahrens break; 1751fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1752fa9e4066Sahrens state = "HEALTHY"; 1753fa9e4066Sahrens break; 17543d7072f8Seschrock case VDEV_STATE_REMOVED: 17553d7072f8Seschrock state = "REMOVED"; 17563d7072f8Seschrock break; 17573d7072f8Seschrock case VDEV_STATE_FAULTED: 17583d7072f8Seschrock state = "FAULTED"; 17593d7072f8Seschrock break; 1760fa9e4066Sahrens default: 1761fa9e4066Sahrens state = "UNKNOWN"; 1762fa9e4066Sahrens break; 1763fa9e4066Sahrens } 1764fa9e4066Sahrens 1765814dcd43SSerapheim Dimitropoulos switch (vd.vdev_stat.vs_aux) { 1766fa9e4066Sahrens case VDEV_AUX_NONE: 1767fa9e4066Sahrens aux = "-"; 1768fa9e4066Sahrens break; 1769fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1770fa9e4066Sahrens aux = "OPEN_FAILED"; 1771fa9e4066Sahrens break; 1772fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1773fa9e4066Sahrens aux = "CORRUPT_DATA"; 1774fa9e4066Sahrens break; 1775fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1776fa9e4066Sahrens aux = "NO_REPLICAS"; 1777fa9e4066Sahrens break; 1778fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1779fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1780fa9e4066Sahrens break; 1781fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1782fa9e4066Sahrens aux = "TOO_SMALL"; 1783fa9e4066Sahrens break; 1784fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1785fa9e4066Sahrens aux = "BAD_LABEL"; 1786fa9e4066Sahrens break; 1787b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1788b87f3af3Sperrin aux = "VERS_NEWER"; 1789b87f3af3Sperrin break; 1790b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1791b87f3af3Sperrin aux = "VERS_OLDER"; 1792b87f3af3Sperrin break; 1793ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1794ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1795ad135b5dSChristopher Siden break; 1796b87f3af3Sperrin case VDEV_AUX_SPARED: 1797b87f3af3Sperrin aux = "SPARED"; 1798b87f3af3Sperrin break; 1799b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1800b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1801b87f3af3Sperrin break; 1802b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1803b87f3af3Sperrin aux = "IO_FAILURE"; 1804b87f3af3Sperrin break; 1805b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1806b87f3af3Sperrin aux = "BAD_LOG"; 1807b87f3af3Sperrin break; 18081195e687SMark J Musante case VDEV_AUX_EXTERNAL: 18091195e687SMark J Musante aux = "EXTERNAL"; 18101195e687SMark J Musante break; 18111195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 18121195e687SMark J Musante aux = "SPLIT_POOL"; 18131195e687SMark J Musante break; 18146f793812SPavel Zakharov case VDEV_AUX_CHILDREN_OFFLINE: 18156f793812SPavel Zakharov aux = "CHILDREN_OFFLINE"; 18166f793812SPavel Zakharov break; 1817fa9e4066Sahrens default: 1818fa9e4066Sahrens aux = "UNKNOWN"; 1819fa9e4066Sahrens break; 1820fa9e4066Sahrens } 1821fa9e4066Sahrens 1822fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1823fa9e4066Sahrens 18242e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1825fa9e4066Sahrens int i; 1826fa9e4066Sahrens 1827fa9e4066Sahrens mdb_inc_indent(4); 1828fa9e4066Sahrens mdb_printf("\n"); 1829fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1830fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1831fa9e4066Sahrens "IOCTL"); 1832fa9e4066Sahrens mdb_printf("OPS "); 1833814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1834814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1835814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_ops[i], 1836814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1837fa9e4066Sahrens mdb_printf("\n"); 1838fa9e4066Sahrens mdb_printf("BYTES "); 1839814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1840814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1841814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_bytes[i], 1842814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1843fa9e4066Sahrens 1844fa9e4066Sahrens 1845fa9e4066Sahrens mdb_printf("\n"); 1846814dcd43SSerapheim Dimitropoulos mdb_printf("EREAD %10#llx\n", 1847814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_read_errors); 1848814dcd43SSerapheim Dimitropoulos mdb_printf("EWRITE %10#llx\n", 1849814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_write_errors); 1850fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1851814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_checksum_errors); 1852fa9e4066Sahrens mdb_dec_indent(4); 18532e4c9986SGeorge Wilson mdb_printf("\n"); 1854fa9e4066Sahrens } 1855fa9e4066Sahrens 1856814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLAB_GROUPS) && 1857814dcd43SSerapheim Dimitropoulos vd.vdev_mg != 0) { 1858814dcd43SSerapheim Dimitropoulos metaslab_group_stats(&vd, spa_flags); 18592e4c9986SGeorge Wilson } 1860814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLABS) && vd.vdev_ms != 0) { 1861814dcd43SSerapheim Dimitropoulos metaslab_stats(&vd, spa_flags); 18622e4c9986SGeorge Wilson } 1863fa9e4066Sahrens } 1864fa9e4066Sahrens 1865814dcd43SSerapheim Dimitropoulos uint64_t children = vd.vdev_children; 1866fa9e4066Sahrens if (children == 0 || !recursive) 1867fa9e4066Sahrens return (DCMD_OK); 1868fa9e4066Sahrens 1869814dcd43SSerapheim Dimitropoulos uintptr_t *child = mdb_alloc(children * sizeof (child), 1870814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1871814dcd43SSerapheim Dimitropoulos if (mdb_vread(child, children * sizeof (void *), vd.vdev_child) == -1) { 1872814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev children at %p", vd.vdev_child); 1873fa9e4066Sahrens return (DCMD_ERR); 1874fa9e4066Sahrens } 1875fa9e4066Sahrens 1876814dcd43SSerapheim Dimitropoulos for (uint64_t c = 0; c < children; c++) { 18772e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 18782e4c9986SGeorge Wilson spa_flags)) { 1879fa9e4066Sahrens return (DCMD_ERR); 1880fa9e4066Sahrens } 18812e4c9986SGeorge Wilson } 1882fa9e4066Sahrens 1883fa9e4066Sahrens return (DCMD_OK); 1884fa9e4066Sahrens } 1885fa9e4066Sahrens 1886fa9e4066Sahrens static int 1887fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1888fa9e4066Sahrens { 1889c5904d13Seschrock uint64_t depth = 0; 18902e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 18912e4c9986SGeorge Wilson int spa_flags = 0; 1892fa9e4066Sahrens 1893fa9e4066Sahrens if (mdb_getopts(argc, argv, 18942e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 18952e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 18962e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 18972e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1898fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 18992e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1900fa9e4066Sahrens return (DCMD_USAGE); 1901fa9e4066Sahrens 1902fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1903fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1904fa9e4066Sahrens return (DCMD_ERR); 1905fa9e4066Sahrens } 1906fa9e4066Sahrens 19072e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1908fa9e4066Sahrens } 1909fa9e4066Sahrens 19108363e80aSGeorge Wilson typedef struct mdb_metaslab_alloc_trace { 19118363e80aSGeorge Wilson uintptr_t mat_mg; 19128363e80aSGeorge Wilson uintptr_t mat_msp; 19138363e80aSGeorge Wilson uint64_t mat_size; 19148363e80aSGeorge Wilson uint64_t mat_weight; 19158363e80aSGeorge Wilson uint64_t mat_offset; 19168363e80aSGeorge Wilson uint32_t mat_dva_id; 1917f78cdc34SPaul Dagnelie int mat_allocator; 19188363e80aSGeorge Wilson } mdb_metaslab_alloc_trace_t; 19198363e80aSGeorge Wilson 19208363e80aSGeorge Wilson static void 19218363e80aSGeorge Wilson metaslab_print_weight(uint64_t weight) 19228363e80aSGeorge Wilson { 19238363e80aSGeorge Wilson char buf[100]; 19248363e80aSGeorge Wilson 19258363e80aSGeorge Wilson if (WEIGHT_IS_SPACEBASED(weight)) { 19268363e80aSGeorge Wilson mdb_nicenum( 19278363e80aSGeorge Wilson weight & ~(METASLAB_ACTIVE_MASK | METASLAB_WEIGHT_TYPE), 19288363e80aSGeorge Wilson buf); 19298363e80aSGeorge Wilson } else { 1930d70f65dfSToomas Soome char size[MDB_NICENUM_BUFLEN]; 19318363e80aSGeorge Wilson mdb_nicenum(1ULL << WEIGHT_GET_INDEX(weight), size); 19328363e80aSGeorge Wilson (void) mdb_snprintf(buf, sizeof (buf), "%llu x %s", 19338363e80aSGeorge Wilson WEIGHT_GET_COUNT(weight), size); 19348363e80aSGeorge Wilson } 19358363e80aSGeorge Wilson mdb_printf("%11s ", buf); 19368363e80aSGeorge Wilson } 19378363e80aSGeorge Wilson 19388363e80aSGeorge Wilson /* ARGSUSED */ 19398363e80aSGeorge Wilson static int 19408363e80aSGeorge Wilson metaslab_weight(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19418363e80aSGeorge Wilson { 19428363e80aSGeorge Wilson uint64_t weight = 0; 19438363e80aSGeorge Wilson char active; 19448363e80aSGeorge Wilson 19458363e80aSGeorge Wilson if (argc == 0 && (flags & DCMD_ADDRSPEC)) { 19468363e80aSGeorge Wilson if (mdb_vread(&weight, sizeof (uint64_t), addr) == -1) { 19478363e80aSGeorge Wilson mdb_warn("failed to read weight at %p\n", addr); 19488363e80aSGeorge Wilson return (DCMD_ERR); 19498363e80aSGeorge Wilson } 19508363e80aSGeorge Wilson } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { 19518363e80aSGeorge Wilson weight = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? 19528363e80aSGeorge Wilson argv[0].a_un.a_val : mdb_strtoull(argv[0].a_un.a_str); 19538363e80aSGeorge Wilson } else { 19548363e80aSGeorge Wilson return (DCMD_USAGE); 19558363e80aSGeorge Wilson } 19568363e80aSGeorge Wilson 19578363e80aSGeorge Wilson if (DCMD_HDRSPEC(flags)) { 19588363e80aSGeorge Wilson mdb_printf("%<u>%-6s %9s %9s%</u>\n", 19598363e80aSGeorge Wilson "ACTIVE", "ALGORITHM", "WEIGHT"); 19608363e80aSGeorge Wilson } 19618363e80aSGeorge Wilson 19628363e80aSGeorge Wilson if (weight & METASLAB_WEIGHT_PRIMARY) 19638363e80aSGeorge Wilson active = 'P'; 19648363e80aSGeorge Wilson else if (weight & METASLAB_WEIGHT_SECONDARY) 19658363e80aSGeorge Wilson active = 'S'; 19668363e80aSGeorge Wilson else 19678363e80aSGeorge Wilson active = '-'; 19688363e80aSGeorge Wilson mdb_printf("%6c %8s ", active, 19698363e80aSGeorge Wilson WEIGHT_IS_SPACEBASED(weight) ? "SPACE" : "SEGMENT"); 19708363e80aSGeorge Wilson metaslab_print_weight(weight); 19718363e80aSGeorge Wilson mdb_printf("\n"); 19728363e80aSGeorge Wilson 19738363e80aSGeorge Wilson return (DCMD_OK); 19748363e80aSGeorge Wilson } 19758363e80aSGeorge Wilson 19768363e80aSGeorge Wilson /* ARGSUSED */ 19778363e80aSGeorge Wilson static int 19788363e80aSGeorge Wilson metaslab_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19798363e80aSGeorge Wilson { 19808363e80aSGeorge Wilson mdb_metaslab_alloc_trace_t mat; 19818363e80aSGeorge Wilson mdb_metaslab_group_t mg = { 0 }; 19828363e80aSGeorge Wilson char result_type[100]; 19838363e80aSGeorge Wilson 19848363e80aSGeorge Wilson if (mdb_ctf_vread(&mat, "metaslab_alloc_trace_t", 19858363e80aSGeorge Wilson "mdb_metaslab_alloc_trace_t", addr, 0) == -1) { 19868363e80aSGeorge Wilson return (DCMD_ERR); 19878363e80aSGeorge Wilson } 19888363e80aSGeorge Wilson 19898363e80aSGeorge Wilson if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1990f78cdc34SPaul Dagnelie mdb_printf("%<u>%6s %6s %8s %11s %11s %18s %18s%</u>\n", 1991f78cdc34SPaul Dagnelie "MSID", "DVA", "ASIZE", "ALLOCATOR", "WEIGHT", "RESULT", 1992f78cdc34SPaul Dagnelie "VDEV"); 19938363e80aSGeorge Wilson } 19948363e80aSGeorge Wilson 1995892ad162SToomas Soome if (mat.mat_msp != 0) { 19968363e80aSGeorge Wilson mdb_metaslab_t ms; 19978363e80aSGeorge Wilson 19988363e80aSGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 19998363e80aSGeorge Wilson mat.mat_msp, 0) == -1) { 20008363e80aSGeorge Wilson return (DCMD_ERR); 20018363e80aSGeorge Wilson } 20028363e80aSGeorge Wilson mdb_printf("%6llu ", ms.ms_id); 20038363e80aSGeorge Wilson } else { 20048363e80aSGeorge Wilson mdb_printf("%6s ", "-"); 20058363e80aSGeorge Wilson } 20068363e80aSGeorge Wilson 2007f78cdc34SPaul Dagnelie mdb_printf("%6d %8llx %11llx ", mat.mat_dva_id, mat.mat_size, 2008f78cdc34SPaul Dagnelie mat.mat_allocator); 20098363e80aSGeorge Wilson 20108363e80aSGeorge Wilson metaslab_print_weight(mat.mat_weight); 20118363e80aSGeorge Wilson 20128363e80aSGeorge Wilson if ((int64_t)mat.mat_offset < 0) { 20138363e80aSGeorge Wilson if (enum_lookup("enum trace_alloc_type", mat.mat_offset, 20148363e80aSGeorge Wilson "TRACE_", sizeof (result_type), result_type) == -1) { 20158363e80aSGeorge Wilson mdb_warn("Could not find enum for trace_alloc_type"); 20168363e80aSGeorge Wilson return (DCMD_ERR); 20178363e80aSGeorge Wilson } 20188363e80aSGeorge Wilson mdb_printf("%18s ", result_type); 20198363e80aSGeorge Wilson } else { 20208363e80aSGeorge Wilson mdb_printf("%<b>%18llx%</b> ", mat.mat_offset); 20218363e80aSGeorge Wilson } 20228363e80aSGeorge Wilson 2023892ad162SToomas Soome if (mat.mat_mg != 0 && 20248363e80aSGeorge Wilson mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 20258363e80aSGeorge Wilson mat.mat_mg, 0) == -1) { 20268363e80aSGeorge Wilson return (DCMD_ERR); 20278363e80aSGeorge Wilson } 20288363e80aSGeorge Wilson 2029892ad162SToomas Soome if (mg.mg_vd != 0) { 20308363e80aSGeorge Wilson mdb_vdev_t vdev; 20318363e80aSGeorge Wilson char desc[MAXNAMELEN]; 20328363e80aSGeorge Wilson 20338363e80aSGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 20348363e80aSGeorge Wilson mg.mg_vd, 0) == -1) { 20358363e80aSGeorge Wilson return (DCMD_ERR); 20368363e80aSGeorge Wilson } 20378363e80aSGeorge Wilson 2038892ad162SToomas Soome if (vdev.vdev_path != 0) { 20398363e80aSGeorge Wilson char path[MAXNAMELEN]; 20408363e80aSGeorge Wilson 20418363e80aSGeorge Wilson if (mdb_readstr(path, sizeof (path), 20428363e80aSGeorge Wilson vdev.vdev_path) == -1) { 20438363e80aSGeorge Wilson mdb_warn("failed to read vdev_path at %p\n", 20448363e80aSGeorge Wilson vdev.vdev_path); 20458363e80aSGeorge Wilson return (DCMD_ERR); 20468363e80aSGeorge Wilson } 20478363e80aSGeorge Wilson char *slash; 20488363e80aSGeorge Wilson if ((slash = strrchr(path, '/')) != NULL) { 20498363e80aSGeorge Wilson strcpy(desc, slash + 1); 20508363e80aSGeorge Wilson } else { 20518363e80aSGeorge Wilson strcpy(desc, path); 20528363e80aSGeorge Wilson } 2053892ad162SToomas Soome } else if (vdev.vdev_ops != 0) { 20548363e80aSGeorge Wilson mdb_vdev_ops_t ops; 20558363e80aSGeorge Wilson if (mdb_ctf_vread(&ops, "vdev_ops_t", "mdb_vdev_ops_t", 20568363e80aSGeorge Wilson vdev.vdev_ops, 0) == -1) { 20578363e80aSGeorge Wilson mdb_warn("failed to read vdev_ops at %p\n", 20588363e80aSGeorge Wilson vdev.vdev_ops); 20598363e80aSGeorge Wilson return (DCMD_ERR); 20608363e80aSGeorge Wilson } 20618363e80aSGeorge Wilson (void) mdb_snprintf(desc, sizeof (desc), 20628363e80aSGeorge Wilson "%s-%llu", ops.vdev_op_type, vdev.vdev_id); 20638363e80aSGeorge Wilson } else { 20648363e80aSGeorge Wilson (void) strcpy(desc, "<unknown>"); 20658363e80aSGeorge Wilson } 20668363e80aSGeorge Wilson mdb_printf("%18s\n", desc); 20678363e80aSGeorge Wilson } 20688363e80aSGeorge Wilson 20698363e80aSGeorge Wilson return (DCMD_OK); 20708363e80aSGeorge Wilson } 20718363e80aSGeorge Wilson 20725f5f7a6fSahrens typedef struct metaslab_walk_data { 20735f5f7a6fSahrens uint64_t mw_numvdevs; 20745f5f7a6fSahrens uintptr_t *mw_vdevs; 20755f5f7a6fSahrens int mw_curvdev; 20765f5f7a6fSahrens uint64_t mw_nummss; 20775f5f7a6fSahrens uintptr_t *mw_mss; 20785f5f7a6fSahrens int mw_curms; 20795f5f7a6fSahrens } metaslab_walk_data_t; 20805f5f7a6fSahrens 20815f5f7a6fSahrens static int 20825f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 20835f5f7a6fSahrens { 20845f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 20855f5f7a6fSahrens metaslab_t ms; 20865f5f7a6fSahrens uintptr_t msp; 20875f5f7a6fSahrens 20885f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 20895f5f7a6fSahrens return (WALK_DONE); 20905f5f7a6fSahrens 20915f5f7a6fSahrens if (mw->mw_mss == NULL) { 20925f5f7a6fSahrens uintptr_t mssp; 20935f5f7a6fSahrens uintptr_t vdevp; 20945f5f7a6fSahrens 20955f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 20965f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 20975f5f7a6fSahrens 20985f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 209928e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 210028e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 21015f5f7a6fSahrens return (WALK_ERR); 21025f5f7a6fSahrens } 21035f5f7a6fSahrens 21045f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 21055f5f7a6fSahrens UM_SLEEP | UM_GC); 21065f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 21075f5f7a6fSahrens mssp) == -1) { 21085f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 21095f5f7a6fSahrens return (WALK_ERR); 21105f5f7a6fSahrens } 21115f5f7a6fSahrens } 21125f5f7a6fSahrens 21135f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 21145f5f7a6fSahrens mw->mw_mss = NULL; 21155f5f7a6fSahrens mw->mw_curms = 0; 21165f5f7a6fSahrens mw->mw_nummss = 0; 21175f5f7a6fSahrens mw->mw_curvdev++; 21185f5f7a6fSahrens return (WALK_NEXT); 21195f5f7a6fSahrens } 21205f5f7a6fSahrens 21215f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 21225f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 21235f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 21245f5f7a6fSahrens return (WALK_ERR); 21255f5f7a6fSahrens } 21265f5f7a6fSahrens 21275f5f7a6fSahrens mw->mw_curms++; 21285f5f7a6fSahrens 21295f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 21305f5f7a6fSahrens } 21315f5f7a6fSahrens 21325f5f7a6fSahrens static int 21335f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 21345f5f7a6fSahrens { 21355f5f7a6fSahrens metaslab_walk_data_t *mw; 21365f5f7a6fSahrens uintptr_t root_vdevp; 21375f5f7a6fSahrens uintptr_t childp; 21385f5f7a6fSahrens 2139892ad162SToomas Soome if (wsp->walk_addr == 0) { 21405f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 21415f5f7a6fSahrens return (WALK_ERR); 21425f5f7a6fSahrens } 21435f5f7a6fSahrens 21445f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 21455f5f7a6fSahrens 214628e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 214728e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 214828e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 21495f5f7a6fSahrens return (DCMD_ERR); 21505f5f7a6fSahrens } 21515f5f7a6fSahrens 21525f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 21535f5f7a6fSahrens UM_SLEEP | UM_GC); 21545f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 21555f5f7a6fSahrens childp) == -1) { 21565f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 21575f5f7a6fSahrens return (DCMD_ERR); 21585f5f7a6fSahrens } 21595f5f7a6fSahrens 21605f5f7a6fSahrens wsp->walk_data = mw; 21615f5f7a6fSahrens 21625f5f7a6fSahrens return (WALK_NEXT); 21635f5f7a6fSahrens } 21645f5f7a6fSahrens 2165fa9e4066Sahrens typedef struct mdb_spa { 2166fa9e4066Sahrens uintptr_t spa_dsl_pool; 2167fa9e4066Sahrens uintptr_t spa_root_vdev; 2168fa9e4066Sahrens } mdb_spa_t; 2169fa9e4066Sahrens 21702515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 21712515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 21722515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 21732515f5d4SJustin T. Gibbs 2174fa9e4066Sahrens typedef struct mdb_dsl_dir { 21752515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 2176fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 2177fa9e4066Sahrens } mdb_dsl_dir_t; 2178fa9e4066Sahrens 2179fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 2180fa9e4066Sahrens uint64_t dd_used_bytes; 2181fa9e4066Sahrens uint64_t dd_compressed_bytes; 2182fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 2183fa9e4066Sahrens } mdb_dsl_dir_phys_t; 2184fa9e4066Sahrens 21855f5f7a6fSahrens typedef struct space_data { 218686714001SSerapheim Dimitropoulos uint64_t ms_allocating[TXG_SIZE]; 218786714001SSerapheim Dimitropoulos uint64_t ms_checkpointing; 218886714001SSerapheim Dimitropoulos uint64_t ms_freeing; 218986714001SSerapheim Dimitropoulos uint64_t ms_freed; 2190814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_frees; 2191814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_allocs; 219286714001SSerapheim Dimitropoulos uint64_t ms_allocatable; 21938363e80aSGeorge Wilson int64_t ms_deferspace; 2194814dcd43SSerapheim Dimitropoulos uint64_t avail; 21955f5f7a6fSahrens } space_data_t; 21965f5f7a6fSahrens 21975f5f7a6fSahrens /* ARGSUSED */ 21985f5f7a6fSahrens static int 21995f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 22005f5f7a6fSahrens { 22015f5f7a6fSahrens space_data_t *sd = arg; 22025f5f7a6fSahrens mdb_metaslab_t ms; 22030713e232SGeorge Wilson mdb_range_tree_t rt; 22042e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 22050713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 2206814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees; 22070713e232SGeorge Wilson int i; 22085f5f7a6fSahrens 22090713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 22100713e232SGeorge Wilson addr, 0) == -1) 22115f5f7a6fSahrens return (WALK_ERR); 22120713e232SGeorge Wilson 22130713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 22140713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 221586714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocating[i], 0) == -1) 22162e4c9986SGeorge Wilson return (WALK_ERR); 221786714001SSerapheim Dimitropoulos sd->ms_allocating[i] += rt.rt_space; 22185f5f7a6fSahrens } 22195f5f7a6fSahrens 22200713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 222186714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_checkpointing, 0) == -1) 22225f145778SMatthew Ahrens return (WALK_ERR); 222386714001SSerapheim Dimitropoulos sd->ms_checkpointing += rt.rt_space; 22245f145778SMatthew Ahrens 22255f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 222686714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freeing, 0) == -1) 22275f145778SMatthew Ahrens return (WALK_ERR); 222886714001SSerapheim Dimitropoulos sd->ms_freeing += rt.rt_space; 22295f145778SMatthew Ahrens 22305f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 223186714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freed, 0) == -1) 22322e4c9986SGeorge Wilson return (WALK_ERR); 223386714001SSerapheim Dimitropoulos sd->ms_freed += rt.rt_space; 223486714001SSerapheim Dimitropoulos 223586714001SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 223686714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocatable, 0) == -1) 223786714001SSerapheim Dimitropoulos return (WALK_ERR); 223886714001SSerapheim Dimitropoulos sd->ms_allocatable += rt.rt_space; 22392e4c9986SGeorge Wilson 2240814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2241814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_frees, 0) == -1) 2242814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2243814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_frees += rt.rt_space; 2244814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 2245814dcd43SSerapheim Dimitropoulos 2246814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2247814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_allocs, 0) == -1) 2248814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2249814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_allocs += rt.rt_space; 2250814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 2251814dcd43SSerapheim Dimitropoulos 2252892ad162SToomas Soome if (ms.ms_sm != 0 && 22530713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 22540713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 22550713e232SGeorge Wilson return (WALK_ERR); 22560713e232SGeorge Wilson 2257892ad162SToomas Soome if (sm.sm_phys != 0) { 22580713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 22590713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 22600713e232SGeorge Wilson } 22610713e232SGeorge Wilson 22628363e80aSGeorge Wilson sd->ms_deferspace += ms.ms_deferspace; 2263814dcd43SSerapheim Dimitropoulos sd->avail += sm.sm_size - smp.smp_alloc + ufrees - uallocs; 22645f5f7a6fSahrens 22655f5f7a6fSahrens return (WALK_NEXT); 22665f5f7a6fSahrens } 22675f5f7a6fSahrens 2268fa9e4066Sahrens /* 2269fa9e4066Sahrens * ::spa_space [-b] 2270fa9e4066Sahrens * 2271fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 2272fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 2273fa9e4066Sahrens * Otherwise print in megabytes. 2274fa9e4066Sahrens */ 2275fa9e4066Sahrens /* ARGSUSED */ 2276fa9e4066Sahrens static int 2277fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2278fa9e4066Sahrens { 2279fa9e4066Sahrens mdb_spa_t spa; 22802515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 2281fa9e4066Sahrens mdb_dsl_dir_t dd; 22822515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 2283fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 22845f5f7a6fSahrens space_data_t sd; 2285fa9e4066Sahrens int shift = 20; 2286fa9e4066Sahrens char *suffix = "M"; 228728e4da25SMatthew Ahrens int bytes = B_FALSE; 2288fa9e4066Sahrens 228928e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 2290fa9e4066Sahrens argc) 2291fa9e4066Sahrens return (DCMD_USAGE); 2292fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2293fa9e4066Sahrens return (DCMD_USAGE); 2294fa9e4066Sahrens 229528e4da25SMatthew Ahrens if (bytes) { 2296fa9e4066Sahrens shift = 0; 2297fa9e4066Sahrens suffix = ""; 2298fa9e4066Sahrens } 2299fa9e4066Sahrens 23002515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 23012515f5d4SJustin T. Gibbs addr, 0) == -1 || 23022515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 23032515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 23042515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 23052515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 23062515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 23072515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 23082515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 23092515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 2310fa9e4066Sahrens return (DCMD_ERR); 2311fa9e4066Sahrens } 2312fa9e4066Sahrens 2313fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 2314fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 2315fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 2316fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 2317fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 2318fa9e4066Sahrens 2319fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 2320fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 2321fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 2322fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 2323fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 2324fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 2325fa9e4066Sahrens 23265f5f7a6fSahrens bzero(&sd, sizeof (sd)); 23275f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 23285f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 2329fa9e4066Sahrens return (DCMD_ERR); 2330fa9e4066Sahrens } 2331fa9e4066Sahrens 2332fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 233386714001SSerapheim Dimitropoulos sd.ms_allocating[0] >> shift, suffix, 233486714001SSerapheim Dimitropoulos sd.ms_allocating[1] >> shift, suffix, 233586714001SSerapheim Dimitropoulos sd.ms_allocating[2] >> shift, suffix, 233686714001SSerapheim Dimitropoulos sd.ms_allocating[3] >> shift, suffix); 233786714001SSerapheim Dimitropoulos mdb_printf("ms_checkpointing = %llu%s\n", 233886714001SSerapheim Dimitropoulos sd.ms_checkpointing >> shift, suffix); 233986714001SSerapheim Dimitropoulos mdb_printf("ms_freeing = %llu%s\n", 234086714001SSerapheim Dimitropoulos sd.ms_freeing >> shift, suffix); 234186714001SSerapheim Dimitropoulos mdb_printf("ms_freed = %llu%s\n", 234286714001SSerapheim Dimitropoulos sd.ms_freed >> shift, suffix); 2343814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_frees = %llu%s\n", 2344814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_frees >> shift, suffix); 2345814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_allocs = %llu%s\n", 2346814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_allocs >> shift, suffix); 234786714001SSerapheim Dimitropoulos mdb_printf("ms_allocatable = %llu%s\n", 234886714001SSerapheim Dimitropoulos sd.ms_allocatable >> shift, suffix); 23498363e80aSGeorge Wilson mdb_printf("ms_deferspace = %llu%s\n", 23508363e80aSGeorge Wilson sd.ms_deferspace >> shift, suffix); 2351814dcd43SSerapheim Dimitropoulos mdb_printf("current avail = %llu%s\n", 2352814dcd43SSerapheim Dimitropoulos sd.avail >> shift, suffix); 2353fa9e4066Sahrens 2354fa9e4066Sahrens return (DCMD_OK); 2355fa9e4066Sahrens } 2356fa9e4066Sahrens 235722ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 235822ce0148SMatthew Ahrens int sav_count; 235922ce0148SMatthew Ahrens uintptr_t sav_vdevs; 236022ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 2361fa9e4066Sahrens 236222ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 236322ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 236422ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 236522ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 236622ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 2367fa9e4066Sahrens 2368ec9f632eSEric Schrock static int 236922ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 2370ec9f632eSEric Schrock const char *name) 2371ec9f632eSEric Schrock { 2372ec9f632eSEric Schrock uintptr_t *aux; 2373ec9f632eSEric Schrock size_t len; 2374ec9f632eSEric Schrock int ret, i; 2375ec9f632eSEric Schrock 2376ec9f632eSEric Schrock /* 2377ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 2378ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 2379ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 2380ec9f632eSEric Schrock * vdev. 2381ec9f632eSEric Schrock */ 2382ec9f632eSEric Schrock if (sav->sav_count != 0) { 2383ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 2384ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 2385ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 2386ec9f632eSEric Schrock v[2].a_un.a_val = 2; 2387ec9f632eSEric Schrock 2388ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 2389ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 239022ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 2391ec9f632eSEric Schrock mdb_free(aux, len); 2392ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 2393ec9f632eSEric Schrock sav->sav_vdevs); 2394ec9f632eSEric Schrock return (DCMD_ERR); 2395ec9f632eSEric Schrock } 2396ec9f632eSEric Schrock 2397ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 2398ec9f632eSEric Schrock 2399ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 2400ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 2401ec9f632eSEric Schrock if (ret != DCMD_OK) { 2402ec9f632eSEric Schrock mdb_free(aux, len); 2403ec9f632eSEric Schrock return (ret); 2404ec9f632eSEric Schrock } 2405ec9f632eSEric Schrock } 2406ec9f632eSEric Schrock 2407ec9f632eSEric Schrock mdb_free(aux, len); 2408ec9f632eSEric Schrock } 2409ec9f632eSEric Schrock 2410ec9f632eSEric Schrock return (0); 2411ec9f632eSEric Schrock } 2412ec9f632eSEric Schrock 2413fa9e4066Sahrens /* 2414fa9e4066Sahrens * ::spa_vdevs 2415fa9e4066Sahrens * 2416fa9e4066Sahrens * -e Include error stats 24172e4c9986SGeorge Wilson * -m Include metaslab information 24182e4c9986SGeorge Wilson * -M Include metaslab group information 24192e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 2420fa9e4066Sahrens * 2421fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 2422c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 2423c5904d13Seschrock * iterating over the cache devices. 2424fa9e4066Sahrens */ 2425fa9e4066Sahrens /* ARGSUSED */ 2426fa9e4066Sahrens static int 2427fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2428fa9e4066Sahrens { 2429c5904d13Seschrock mdb_arg_t v[3]; 2430ec9f632eSEric Schrock int ret; 24312e4c9986SGeorge Wilson char opts[100] = "-r"; 24322e4c9986SGeorge Wilson int spa_flags = 0; 2433fa9e4066Sahrens 2434fa9e4066Sahrens if (mdb_getopts(argc, argv, 24352e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 24362e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 24372e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 24382e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 2439fa9e4066Sahrens NULL) != argc) 2440fa9e4066Sahrens return (DCMD_USAGE); 2441fa9e4066Sahrens 2442fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2443fa9e4066Sahrens return (DCMD_USAGE); 2444fa9e4066Sahrens 244522ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 244622ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 2447fa9e4066Sahrens return (DCMD_ERR); 2448fa9e4066Sahrens 2449088e9d47Seschrock /* 2450088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 2451088e9d47Seschrock */ 2452892ad162SToomas Soome if (spa.spa_root_vdev == 0) { 2453088e9d47Seschrock mdb_printf("no associated vdevs\n"); 2454088e9d47Seschrock return (DCMD_OK); 2455088e9d47Seschrock } 2456088e9d47Seschrock 24572e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 24582e4c9986SGeorge Wilson strcat(opts, "e"); 24592e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 24602e4c9986SGeorge Wilson strcat(opts, "m"); 24612e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 24622e4c9986SGeorge Wilson strcat(opts, "M"); 24632e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 24642e4c9986SGeorge Wilson strcat(opts, "h"); 24652e4c9986SGeorge Wilson 2466c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 24672e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 2468fa9e4066Sahrens 2469c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2470c5904d13Seschrock flags, 1, v); 2471c5904d13Seschrock if (ret != DCMD_OK) 2472c5904d13Seschrock return (ret); 2473c5904d13Seschrock 2474ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2475ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2476c5904d13Seschrock return (DCMD_ERR); 2477c5904d13Seschrock 2478c5904d13Seschrock return (DCMD_OK); 2479fa9e4066Sahrens } 2480fa9e4066Sahrens 2481ccae0b50Seschrock /* 2482ccae0b50Seschrock * ::zio 2483ccae0b50Seschrock * 2484ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2485ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2486ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2487ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2488ccae0b50Seschrock * 2489c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2490ccae0b50Seschrock * 2491ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2492ccae0b50Seschrock * descend down the tree. 2493ccae0b50Seschrock */ 2494fac3008cSeschrock 2495c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2496a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2497a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2498a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2499a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2500a3f829aeSBill Moore 2501a3f829aeSBill Moore typedef struct zio_print_args { 2502a3f829aeSBill Moore int zpa_current_depth; 2503a3f829aeSBill Moore int zpa_min_depth; 2504a3f829aeSBill Moore int zpa_max_depth; 2505a3f829aeSBill Moore int zpa_type; 2506a3f829aeSBill Moore uint_t zpa_flags; 2507a3f829aeSBill Moore } zio_print_args_t; 2508a3f829aeSBill Moore 250928e4da25SMatthew Ahrens typedef struct mdb_zio { 251028e4da25SMatthew Ahrens enum zio_type io_type; 251128e4da25SMatthew Ahrens enum zio_stage io_stage; 2512d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2513d5ee8a13SMatthew Ahrens uintptr_t io_spa; 251428e4da25SMatthew Ahrens struct { 251528e4da25SMatthew Ahrens struct { 2516d5ee8a13SMatthew Ahrens uintptr_t list_next; 251728e4da25SMatthew Ahrens } list_head; 251828e4da25SMatthew Ahrens } io_parent_list; 251928e4da25SMatthew Ahrens int io_error; 252028e4da25SMatthew Ahrens } mdb_zio_t; 252128e4da25SMatthew Ahrens 2522c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2523c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2524c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2525c55e05cbSMatthew Ahrens 2526a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2527fac3008cSeschrock 2528ccae0b50Seschrock static int 2529c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2530ccae0b50Seschrock { 2531ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2532a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2533ccae0b50Seschrock const char *type, *stage; 2534a3f829aeSBill Moore uintptr_t laddr; 2535c55e05cbSMatthew Ahrens mdb_zio_t zio; 2536c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2537c55e05cbSMatthew Ahrens 2538c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2539c55e05cbSMatthew Ahrens return (WALK_ERR); 2540c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2541c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2542ccae0b50Seschrock 2543a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2544a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2545ccae0b50Seschrock 2546ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2547ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2548ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2549ccae0b50Seschrock return (WALK_ERR); 2550ccae0b50Seschrock } 2551ccae0b50Seschrock 2552c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2553ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2554ccae0b50Seschrock else 2555ccae0b50Seschrock type = "?"; 2556ccae0b50Seschrock 2557c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2558c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 255928e4da25SMatthew Ahrens if (stage != NULL) 2560ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 2561ccae0b50Seschrock else 2562ccae0b50Seschrock stage = "?"; 256328e4da25SMatthew Ahrens } else { 256428e4da25SMatthew Ahrens stage = "FAILED"; 256528e4da25SMatthew Ahrens } 2566ccae0b50Seschrock 2567a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2568a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2569a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2570a3f829aeSBill Moore } else { 2571a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2572a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2573d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2574d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2575ccae0b50Seschrock else 2576c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2577c55e05cbSMatthew Ahrens #ifdef _KERNEL 2578c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2579c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2580c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2581c55e05cbSMatthew Ahrens 1000000); 2582c55e05cbSMatthew Ahrens } else { 2583c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2584c55e05cbSMatthew Ahrens } 2585c55e05cbSMatthew Ahrens #else 2586c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2587c55e05cbSMatthew Ahrens #endif 2588c55e05cbSMatthew Ahrens mdb_printf("\n"); 2589a3f829aeSBill Moore } 2590a3f829aeSBill Moore } 2591ccae0b50Seschrock 2592a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2593a3f829aeSBill Moore return (WALK_NEXT); 2594a3f829aeSBill Moore 2595a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 259628e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 259728e4da25SMatthew Ahrens "io_parent_list"); 2598a3f829aeSBill Moore else 259928e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 260028e4da25SMatthew Ahrens "io_child_list"); 2601a3f829aeSBill Moore 2602a3f829aeSBill Moore zpa->zpa_current_depth++; 2603a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2604a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2605a3f829aeSBill Moore return (WALK_ERR); 2606a3f829aeSBill Moore } 2607a3f829aeSBill Moore zpa->zpa_current_depth--; 2608a3f829aeSBill Moore 2609a3f829aeSBill Moore return (WALK_NEXT); 2610a3f829aeSBill Moore } 2611a3f829aeSBill Moore 2612a3f829aeSBill Moore /* ARGSUSED */ 2613a3f829aeSBill Moore static int 2614a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2615a3f829aeSBill Moore { 2616a3f829aeSBill Moore zio_link_t zl; 2617a3f829aeSBill Moore uintptr_t ziop; 2618a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2619a3f829aeSBill Moore 2620a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2621a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2622ccae0b50Seschrock return (WALK_ERR); 2623ccae0b50Seschrock } 2624ccae0b50Seschrock 2625a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2626a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2627a3f829aeSBill Moore else 2628a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2629a3f829aeSBill Moore 263069962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2631ccae0b50Seschrock } 2632ccae0b50Seschrock 2633ccae0b50Seschrock /* ARGSUSED */ 2634ccae0b50Seschrock static int 2635ccae0b50Seschrock zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2636ccae0b50Seschrock { 2637a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2638ccae0b50Seschrock 2639ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2640ccae0b50Seschrock return (DCMD_USAGE); 2641ccae0b50Seschrock 2642a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2643a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2644a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2645a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2646a3f829aeSBill Moore NULL) != argc) 2647a3f829aeSBill Moore return (DCMD_USAGE); 2648a3f829aeSBill Moore 2649a3f829aeSBill Moore zpa.zpa_flags = flags; 2650a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2651a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2652a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2653a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2654a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2655a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2656a3f829aeSBill Moore } 2657a3f829aeSBill Moore 2658c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2659c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2660c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2661c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2662c55e05cbSMatthew Ahrens } 2663ccae0b50Seschrock 2664c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2665ccae0b50Seschrock return (DCMD_ERR); 2666ccae0b50Seschrock 2667ccae0b50Seschrock return (DCMD_OK); 2668ccae0b50Seschrock } 2669ccae0b50Seschrock 2670ccae0b50Seschrock /* 2671ccae0b50Seschrock * [addr]::zio_state 2672ccae0b50Seschrock * 2673ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2674ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2675ccae0b50Seschrock */ 2676ccae0b50Seschrock /*ARGSUSED*/ 2677ccae0b50Seschrock static int 2678ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2679ccae0b50Seschrock { 2680ccae0b50Seschrock /* 2681ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2682ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2683ccae0b50Seschrock * non-existent spa_t. 2684ccae0b50Seschrock */ 2685ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2686ccae0b50Seschrock addr = 0; 2687ccae0b50Seschrock 2688ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2689ccae0b50Seschrock } 2690ccae0b50Seschrock 26914d7988d6SPaul Dagnelie 26924d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_hdr { 26934d7988d6SPaul Dagnelie uintptr_t bth_parent; 26944d7988d6SPaul Dagnelie boolean_t bth_core; 26954d7988d6SPaul Dagnelie /* 26964d7988d6SPaul Dagnelie * For both leaf and core nodes, represents the number of elements in 26974d7988d6SPaul Dagnelie * the node. For core nodes, they will have bth_count + 1 children. 26984d7988d6SPaul Dagnelie */ 26994d7988d6SPaul Dagnelie uint32_t bth_count; 27004d7988d6SPaul Dagnelie } mdb_zfs_btree_hdr_t; 27014d7988d6SPaul Dagnelie 27024d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_core { 27034d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t btc_hdr; 27044d7988d6SPaul Dagnelie uintptr_t btc_children[BTREE_CORE_ELEMS + 1]; 27054d7988d6SPaul Dagnelie uint8_t btc_elems[]; 27064d7988d6SPaul Dagnelie } mdb_zfs_btree_core_t; 27074d7988d6SPaul Dagnelie 27084d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_leaf { 27094d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t btl_hdr; 27104d7988d6SPaul Dagnelie uint8_t btl_elems[]; 27114d7988d6SPaul Dagnelie } mdb_zfs_btree_leaf_t; 27124d7988d6SPaul Dagnelie 27134d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree { 27144d7988d6SPaul Dagnelie uintptr_t bt_root; 27154d7988d6SPaul Dagnelie size_t bt_elem_size; 27164d7988d6SPaul Dagnelie } mdb_zfs_btree_t; 27174d7988d6SPaul Dagnelie 27184d7988d6SPaul Dagnelie typedef struct btree_walk_data { 27194d7988d6SPaul Dagnelie mdb_zfs_btree_t bwd_btree; 27204d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t *bwd_node; 27214d7988d6SPaul Dagnelie uint64_t bwd_offset; // In units of bt_node_size 27224d7988d6SPaul Dagnelie } btree_walk_data_t; 27234d7988d6SPaul Dagnelie 27244d7988d6SPaul Dagnelie static uintptr_t 27254d7988d6SPaul Dagnelie btree_leftmost_child(uintptr_t addr, mdb_zfs_btree_hdr_t *buf) 27264d7988d6SPaul Dagnelie { 27274d7988d6SPaul Dagnelie size_t size = offsetof(zfs_btree_core_t, btc_children) + 27284d7988d6SPaul Dagnelie sizeof (uintptr_t); 27294d7988d6SPaul Dagnelie for (;;) { 27304d7988d6SPaul Dagnelie if (mdb_vread(buf, size, addr) == -1) { 27314d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", addr); 27324d7988d6SPaul Dagnelie return ((uintptr_t)0ULL); 27334d7988d6SPaul Dagnelie } 27344d7988d6SPaul Dagnelie if (!buf->bth_core) 27354d7988d6SPaul Dagnelie return (addr); 27364d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = (mdb_zfs_btree_core_t *)buf; 27374d7988d6SPaul Dagnelie addr = node->btc_children[0]; 27384d7988d6SPaul Dagnelie } 27394d7988d6SPaul Dagnelie } 27404d7988d6SPaul Dagnelie 27414d7988d6SPaul Dagnelie static int 27424d7988d6SPaul Dagnelie btree_walk_step(mdb_walk_state_t *wsp) 27434d7988d6SPaul Dagnelie { 27444d7988d6SPaul Dagnelie btree_walk_data_t *bwd = wsp->walk_data; 27454d7988d6SPaul Dagnelie size_t elem_size = bwd->bwd_btree.bt_elem_size; 27464d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) 27474d7988d6SPaul Dagnelie return (WALK_DONE); 27484d7988d6SPaul Dagnelie 27494d7988d6SPaul Dagnelie if (!bwd->bwd_node->bth_core) { 27504d7988d6SPaul Dagnelie /* 27514d7988d6SPaul Dagnelie * For the first element in a leaf node, read in the full 27524d7988d6SPaul Dagnelie * leaf, since we only had part of it read in before. 27534d7988d6SPaul Dagnelie */ 27544d7988d6SPaul Dagnelie if (bwd->bwd_offset == 0) { 27554d7988d6SPaul Dagnelie if (mdb_vread(bwd->bwd_node, BTREE_LEAF_SIZE, 27564d7988d6SPaul Dagnelie wsp->walk_addr) == -1) { 27574d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", 27584d7988d6SPaul Dagnelie wsp->walk_addr); 27594d7988d6SPaul Dagnelie return (WALK_ERR); 27604d7988d6SPaul Dagnelie } 27614d7988d6SPaul Dagnelie } 27624d7988d6SPaul Dagnelie 27634d7988d6SPaul Dagnelie int status = wsp->walk_callback((uintptr_t)(wsp->walk_addr + 27644d7988d6SPaul Dagnelie offsetof(mdb_zfs_btree_leaf_t, btl_elems) + 27654d7988d6SPaul Dagnelie bwd->bwd_offset * elem_size), bwd->bwd_node, 27664d7988d6SPaul Dagnelie wsp->walk_cbdata); 27674d7988d6SPaul Dagnelie if (status != WALK_NEXT) 27684d7988d6SPaul Dagnelie return (status); 27694d7988d6SPaul Dagnelie bwd->bwd_offset++; 27704d7988d6SPaul Dagnelie 27714d7988d6SPaul Dagnelie /* Find the next element, if we're at the end of the leaf. */ 27724d7988d6SPaul Dagnelie while (bwd->bwd_offset == bwd->bwd_node->bth_count) { 27734d7988d6SPaul Dagnelie uintptr_t par = bwd->bwd_node->bth_parent; 27744d7988d6SPaul Dagnelie uintptr_t cur = wsp->walk_addr; 27754d7988d6SPaul Dagnelie wsp->walk_addr = par; 27764d7988d6SPaul Dagnelie if (par == 0ULL) 27774d7988d6SPaul Dagnelie return (WALK_NEXT); 27784d7988d6SPaul Dagnelie 27794d7988d6SPaul Dagnelie size_t size = sizeof (zfs_btree_core_t) + 27804d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * elem_size; 27814d7988d6SPaul Dagnelie if (mdb_vread(bwd->bwd_node, size, wsp->walk_addr) == 27824d7988d6SPaul Dagnelie -1) { 27834d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", 27844d7988d6SPaul Dagnelie wsp->walk_addr); 27854d7988d6SPaul Dagnelie return (WALK_ERR); 27864d7988d6SPaul Dagnelie } 27874d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = 27884d7988d6SPaul Dagnelie (mdb_zfs_btree_core_t *)bwd->bwd_node; 27894d7988d6SPaul Dagnelie int i; 27904d7988d6SPaul Dagnelie for (i = 0; i <= bwd->bwd_node->bth_count; i++) { 27914d7988d6SPaul Dagnelie if (node->btc_children[i] == cur) 27924d7988d6SPaul Dagnelie break; 27934d7988d6SPaul Dagnelie } 27944d7988d6SPaul Dagnelie if (i > bwd->bwd_node->bth_count) { 27954d7988d6SPaul Dagnelie mdb_warn("btree parent/child mismatch at " 27964d7988d6SPaul Dagnelie "%#lx\n", cur); 27974d7988d6SPaul Dagnelie return (WALK_ERR); 27984d7988d6SPaul Dagnelie } 27994d7988d6SPaul Dagnelie bwd->bwd_offset = i; 28004d7988d6SPaul Dagnelie } 28014d7988d6SPaul Dagnelie return (WALK_NEXT); 28024d7988d6SPaul Dagnelie } 28034d7988d6SPaul Dagnelie 28044d7988d6SPaul Dagnelie if (!bwd->bwd_node->bth_core) { 28054d7988d6SPaul Dagnelie mdb_warn("Invalid btree node at %#lx\n", wsp->walk_addr); 28064d7988d6SPaul Dagnelie return (WALK_ERR); 28074d7988d6SPaul Dagnelie } 28084d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = (mdb_zfs_btree_core_t *)bwd->bwd_node; 28094d7988d6SPaul Dagnelie int status = wsp->walk_callback((uintptr_t)(wsp->walk_addr + 28104d7988d6SPaul Dagnelie offsetof(mdb_zfs_btree_core_t, btc_elems) + bwd->bwd_offset * 28114d7988d6SPaul Dagnelie elem_size), bwd->bwd_node, wsp->walk_cbdata); 28124d7988d6SPaul Dagnelie if (status != WALK_NEXT) 28134d7988d6SPaul Dagnelie return (status); 28144d7988d6SPaul Dagnelie 28154d7988d6SPaul Dagnelie uintptr_t new_child = node->btc_children[bwd->bwd_offset + 1]; 28164d7988d6SPaul Dagnelie wsp->walk_addr = btree_leftmost_child(new_child, bwd->bwd_node); 28174d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) 28184d7988d6SPaul Dagnelie return (WALK_ERR); 28194d7988d6SPaul Dagnelie 28204d7988d6SPaul Dagnelie bwd->bwd_offset = 0; 28214d7988d6SPaul Dagnelie return (WALK_NEXT); 28224d7988d6SPaul Dagnelie } 28234d7988d6SPaul Dagnelie 28244d7988d6SPaul Dagnelie static int 28254d7988d6SPaul Dagnelie btree_walk_init(mdb_walk_state_t *wsp) 28264d7988d6SPaul Dagnelie { 28274d7988d6SPaul Dagnelie btree_walk_data_t *bwd; 28284d7988d6SPaul Dagnelie 28294d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) { 28304d7988d6SPaul Dagnelie mdb_warn("must supply address of zfs_btree_t\n"); 28314d7988d6SPaul Dagnelie return (WALK_ERR); 28324d7988d6SPaul Dagnelie } 28334d7988d6SPaul Dagnelie 28344d7988d6SPaul Dagnelie bwd = mdb_zalloc(sizeof (btree_walk_data_t), UM_SLEEP); 28354d7988d6SPaul Dagnelie if (mdb_ctf_vread(&bwd->bwd_btree, "zfs_btree_t", "mdb_zfs_btree_t", 28364d7988d6SPaul Dagnelie wsp->walk_addr, 0) == -1) { 28374d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 28384d7988d6SPaul Dagnelie return (WALK_ERR); 28394d7988d6SPaul Dagnelie } 28404d7988d6SPaul Dagnelie 28414d7988d6SPaul Dagnelie if (bwd->bwd_btree.bt_elem_size == 0) { 28424d7988d6SPaul Dagnelie mdb_warn("invalid or uninitialized btree at %#lx\n", 28434d7988d6SPaul Dagnelie wsp->walk_addr); 28444d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 28454d7988d6SPaul Dagnelie return (WALK_ERR); 28464d7988d6SPaul Dagnelie } 28474d7988d6SPaul Dagnelie 28484d7988d6SPaul Dagnelie size_t size = MAX(BTREE_LEAF_SIZE, sizeof (zfs_btree_core_t) + 28494d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * bwd->bwd_btree.bt_elem_size); 28504d7988d6SPaul Dagnelie bwd->bwd_node = mdb_zalloc(size, UM_SLEEP); 28514d7988d6SPaul Dagnelie 28524d7988d6SPaul Dagnelie uintptr_t node = (uintptr_t)bwd->bwd_btree.bt_root; 28534d7988d6SPaul Dagnelie if (node == 0ULL) { 28544d7988d6SPaul Dagnelie wsp->walk_addr = 0ULL; 28554d7988d6SPaul Dagnelie wsp->walk_data = bwd; 28564d7988d6SPaul Dagnelie return (WALK_NEXT); 28574d7988d6SPaul Dagnelie } 28584d7988d6SPaul Dagnelie node = btree_leftmost_child(node, bwd->bwd_node); 28594d7988d6SPaul Dagnelie if (node == 0ULL) { 28604d7988d6SPaul Dagnelie mdb_free(bwd->bwd_node, size); 28614d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 28624d7988d6SPaul Dagnelie return (WALK_ERR); 28634d7988d6SPaul Dagnelie } 28644d7988d6SPaul Dagnelie bwd->bwd_offset = 0; 28654d7988d6SPaul Dagnelie 28664d7988d6SPaul Dagnelie wsp->walk_addr = node; 28674d7988d6SPaul Dagnelie wsp->walk_data = bwd; 28684d7988d6SPaul Dagnelie return (WALK_NEXT); 28694d7988d6SPaul Dagnelie } 28704d7988d6SPaul Dagnelie 28714d7988d6SPaul Dagnelie static void 28724d7988d6SPaul Dagnelie btree_walk_fini(mdb_walk_state_t *wsp) 28734d7988d6SPaul Dagnelie { 28744d7988d6SPaul Dagnelie btree_walk_data_t *bwd = (btree_walk_data_t *)wsp->walk_data; 28754d7988d6SPaul Dagnelie 28764d7988d6SPaul Dagnelie if (bwd == NULL) 28774d7988d6SPaul Dagnelie return; 28784d7988d6SPaul Dagnelie 28794d7988d6SPaul Dagnelie size_t size = MAX(BTREE_LEAF_SIZE, sizeof (zfs_btree_core_t) + 28804d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * bwd->bwd_btree.bt_elem_size); 28814d7988d6SPaul Dagnelie if (bwd->bwd_node != NULL) 28824d7988d6SPaul Dagnelie mdb_free(bwd->bwd_node, size); 28834d7988d6SPaul Dagnelie 28844d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 28854d7988d6SPaul Dagnelie } 28864d7988d6SPaul Dagnelie 2887dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2888dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2889dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2890dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2891dcbf3bd6SGeorge Wilson 2892dcbf3bd6SGeorge Wilson static int 2893dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2894dcbf3bd6SGeorge Wilson { 2895442c994cSJason King return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 2896442c994cSJason King wsp->walk_cbdata)); 2897dcbf3bd6SGeorge Wilson } 2898dcbf3bd6SGeorge Wilson 2899dcbf3bd6SGeorge Wilson static int 2900dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2901dcbf3bd6SGeorge Wilson { 2902442c994cSJason King mdb_multilist_t ml; 2903442c994cSJason King ssize_t sublist_sz; 2904442c994cSJason King int list_offset; 2905442c994cSJason King size_t i; 2906dcbf3bd6SGeorge Wilson 2907892ad162SToomas Soome if (wsp->walk_addr == 0) { 2908dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2909dcbf3bd6SGeorge Wilson return (WALK_ERR); 2910dcbf3bd6SGeorge Wilson } 2911dcbf3bd6SGeorge Wilson 2912442c994cSJason King if (mdb_ctf_vread(&ml, "multilist_t", "mdb_multilist_t", 2913dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2914dcbf3bd6SGeorge Wilson return (WALK_ERR); 2915dcbf3bd6SGeorge Wilson } 2916dcbf3bd6SGeorge Wilson 2917442c994cSJason King if (ml.ml_num_sublists == 0 || ml.ml_sublists == 0) { 2918dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2919dcbf3bd6SGeorge Wilson wsp->walk_addr); 2920dcbf3bd6SGeorge Wilson return (WALK_ERR); 2921dcbf3bd6SGeorge Wilson } 2922dcbf3bd6SGeorge Wilson 2923442c994cSJason King /* mdb_ctf_sizeof_by_name() will print an error for us */ 2924442c994cSJason King sublist_sz = mdb_ctf_sizeof_by_name("multilist_sublist_t"); 2925442c994cSJason King if (sublist_sz == -1) 2926442c994cSJason King return (WALK_ERR); 2927442c994cSJason King 2928442c994cSJason King /* mdb_ctf_offsetof_by_name will print an error for us */ 2929442c994cSJason King list_offset = mdb_ctf_offsetof_by_name("multilist_sublist_t", 2930442c994cSJason King "mls_list"); 2931442c994cSJason King if (list_offset == -1) 2932442c994cSJason King return (WALK_ERR); 2933442c994cSJason King 2934442c994cSJason King for (i = 0; i < ml.ml_num_sublists; i++) { 2935442c994cSJason King wsp->walk_addr = ml.ml_sublists + i * sublist_sz + list_offset; 2936442c994cSJason King 2937442c994cSJason King if (mdb_layered_walk("list", wsp) == -1) { 2938442c994cSJason King mdb_warn("can't walk multilist sublist"); 2939442c994cSJason King return (WALK_ERR); 2940442c994cSJason King } 2941442c994cSJason King } 2942442c994cSJason King 2943dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2944dcbf3bd6SGeorge Wilson } 2945dcbf3bd6SGeorge Wilson 29461393933cSJason King typedef struct mdb_txg_list { 29471393933cSJason King size_t tl_offset; 29481393933cSJason King uintptr_t tl_head[TXG_SIZE]; 29491393933cSJason King } mdb_txg_list_t; 29501393933cSJason King 2951fa9e4066Sahrens typedef struct txg_list_walk_data { 2952fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2953fa9e4066Sahrens int lw_txgoff; 2954fa9e4066Sahrens int lw_maxoff; 2955fa9e4066Sahrens size_t lw_offset; 2956fa9e4066Sahrens void *lw_obj; 2957fa9e4066Sahrens } txg_list_walk_data_t; 2958fa9e4066Sahrens 2959fa9e4066Sahrens static int 2960fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2961fa9e4066Sahrens { 2962fa9e4066Sahrens txg_list_walk_data_t *lwd; 29631393933cSJason King mdb_txg_list_t list; 2964fa9e4066Sahrens int i; 2965fa9e4066Sahrens 2966fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 29671393933cSJason King if (mdb_ctf_vread(&list, "txg_list_t", "mdb_txg_list_t", wsp->walk_addr, 29681393933cSJason King 0) == -1) { 2969fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2970fa9e4066Sahrens return (WALK_ERR); 2971fa9e4066Sahrens } 2972fa9e4066Sahrens 2973fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 29741393933cSJason King lwd->lw_head[i] = list.tl_head[i]; 2975fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2976fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2977fa9e4066Sahrens UM_SLEEP | UM_GC); 2978fa9e4066Sahrens lwd->lw_txgoff = txg; 2979fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2980fa9e4066Sahrens 2981fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2982fa9e4066Sahrens wsp->walk_data = lwd; 2983fa9e4066Sahrens 2984fa9e4066Sahrens return (WALK_NEXT); 2985fa9e4066Sahrens } 2986fa9e4066Sahrens 2987fa9e4066Sahrens static int 2988fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2989fa9e4066Sahrens { 2990fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2991fa9e4066Sahrens } 2992fa9e4066Sahrens 2993fa9e4066Sahrens static int 2994fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2995fa9e4066Sahrens { 2996fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2997fa9e4066Sahrens } 2998fa9e4066Sahrens 2999fa9e4066Sahrens static int 3000fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 3001fa9e4066Sahrens { 3002fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 3003fa9e4066Sahrens } 3004fa9e4066Sahrens 3005fa9e4066Sahrens static int 3006fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 3007fa9e4066Sahrens { 3008fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 3009fa9e4066Sahrens } 3010fa9e4066Sahrens 3011fa9e4066Sahrens static int 3012fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 3013fa9e4066Sahrens { 3014fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 3015fa9e4066Sahrens } 3016fa9e4066Sahrens 3017fa9e4066Sahrens static int 3018fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 3019fa9e4066Sahrens { 3020fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 3021fa9e4066Sahrens uintptr_t addr; 3022fa9e4066Sahrens txg_node_t *node; 3023fa9e4066Sahrens int status; 3024fa9e4066Sahrens 3025892ad162SToomas Soome while (wsp->walk_addr == 0 && lwd->lw_txgoff < lwd->lw_maxoff) { 3026fa9e4066Sahrens lwd->lw_txgoff++; 3027fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 3028fa9e4066Sahrens } 3029fa9e4066Sahrens 3030892ad162SToomas Soome if (wsp->walk_addr == 0) 3031fa9e4066Sahrens return (WALK_DONE); 3032fa9e4066Sahrens 3033fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 3034fa9e4066Sahrens 3035fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 3036fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 3037fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 3038fa9e4066Sahrens return (WALK_ERR); 3039fa9e4066Sahrens } 3040fa9e4066Sahrens 3041fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 3042fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 3043fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 3044fa9e4066Sahrens 3045fa9e4066Sahrens return (status); 3046fa9e4066Sahrens } 3047fa9e4066Sahrens 3048fa9e4066Sahrens /* 3049fa9e4066Sahrens * ::walk spa 3050fa9e4066Sahrens * 3051fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 3052fa9e4066Sahrens * a layered avl walk. 3053fa9e4066Sahrens */ 3054fa9e4066Sahrens static int 3055fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 3056fa9e4066Sahrens { 3057fa9e4066Sahrens GElf_Sym sym; 3058fa9e4066Sahrens 3059892ad162SToomas Soome if (wsp->walk_addr != 0) { 3060fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 3061fa9e4066Sahrens return (WALK_ERR); 3062fa9e4066Sahrens } 3063fa9e4066Sahrens 3064fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 3065fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 3066fa9e4066Sahrens return (WALK_ERR); 3067fa9e4066Sahrens } 3068fa9e4066Sahrens 3069fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 3070fa9e4066Sahrens 3071fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 3072fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 3073fa9e4066Sahrens return (WALK_ERR); 3074fa9e4066Sahrens } 3075fa9e4066Sahrens 3076fa9e4066Sahrens return (WALK_NEXT); 3077fa9e4066Sahrens } 3078fa9e4066Sahrens 3079fa9e4066Sahrens static int 3080fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 3081fa9e4066Sahrens { 308222ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 3083fa9e4066Sahrens } 3084fa9e4066Sahrens 3085fa9e4066Sahrens /* 3086ccae0b50Seschrock * [addr]::walk zio 3087ccae0b50Seschrock * 3088ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 3089ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 3090ccae0b50Seschrock * structures to a particular pool. 3091ccae0b50Seschrock */ 3092ccae0b50Seschrock static int 3093ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 3094ccae0b50Seschrock { 3095dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 3096ccae0b50Seschrock 3097ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 3098ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 3099ccae0b50Seschrock return (WALK_ERR); 3100ccae0b50Seschrock } 3101ccae0b50Seschrock 3102ccae0b50Seschrock return (WALK_NEXT); 3103ccae0b50Seschrock } 3104ccae0b50Seschrock 3105ccae0b50Seschrock static int 3106ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 3107ccae0b50Seschrock { 310828e4da25SMatthew Ahrens mdb_zio_t zio; 3109dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 3110ccae0b50Seschrock 311128e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 311228e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 3113ccae0b50Seschrock return (WALK_ERR); 3114ccae0b50Seschrock 3115dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 3116ccae0b50Seschrock return (WALK_NEXT); 3117ccae0b50Seschrock 3118ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 3119ccae0b50Seschrock } 3120ccae0b50Seschrock 3121ccae0b50Seschrock /* 3122ccae0b50Seschrock * [addr]::walk zio_root 3123ccae0b50Seschrock * 3124ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 3125ccae0b50Seschrock */ 3126ccae0b50Seschrock static int 3127ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 3128ccae0b50Seschrock { 312928e4da25SMatthew Ahrens mdb_zio_t zio; 3130dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 3131ccae0b50Seschrock 313228e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 313328e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 3134ccae0b50Seschrock return (WALK_ERR); 3135ccae0b50Seschrock 3136dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 3137ccae0b50Seschrock return (WALK_NEXT); 3138ccae0b50Seschrock 3139a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 3140d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 314128e4da25SMatthew Ahrens wsp->walk_addr + 314228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 314328e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 3144ccae0b50Seschrock return (WALK_NEXT); 3145ccae0b50Seschrock 3146ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 3147ccae0b50Seschrock } 3148ccae0b50Seschrock 314988b7b0f2SMatthew Ahrens /* 315088b7b0f2SMatthew Ahrens * ::zfs_blkstats 315188b7b0f2SMatthew Ahrens * 315288b7b0f2SMatthew Ahrens * -v print verbose per-level information 315388b7b0f2SMatthew Ahrens * 315488b7b0f2SMatthew Ahrens */ 315588b7b0f2SMatthew Ahrens static int 315688b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 315788b7b0f2SMatthew Ahrens { 315888b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 315988b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 316088b7b0f2SMatthew Ahrens dmu_object_type_t t; 316188b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 316288b7b0f2SMatthew Ahrens uint64_t ditto; 316388b7b0f2SMatthew Ahrens 316488b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 316588b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 316688b7b0f2SMatthew Ahrens NULL) != argc) 316788b7b0f2SMatthew Ahrens return (DCMD_USAGE); 316888b7b0f2SMatthew Ahrens 316988b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 317088b7b0f2SMatthew Ahrens return (DCMD_USAGE); 317188b7b0f2SMatthew Ahrens 317228e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 317328e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 317488b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 317588b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 317688b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 317788b7b0f2SMatthew Ahrens return (DCMD_ERR); 317888b7b0f2SMatthew Ahrens } 317988b7b0f2SMatthew Ahrens 3180ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 318188b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 318288b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 318388b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 318488b7b0f2SMatthew Ahrens } 318588b7b0f2SMatthew Ahrens 318688b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 318788b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 318888b7b0f2SMatthew Ahrens if (ditto != 0) { 318988b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 319088b7b0f2SMatthew Ahrens (longlong_t)ditto); 319188b7b0f2SMatthew Ahrens } 319288b7b0f2SMatthew Ahrens 319388b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 319488b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 319588b7b0f2SMatthew Ahrens 3196ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 3197d70f65dfSToomas Soome char csize[MDB_NICENUM_BUFLEN], lsize[MDB_NICENUM_BUFLEN]; 3198d70f65dfSToomas Soome char psize[MDB_NICENUM_BUFLEN], asize[MDB_NICENUM_BUFLEN]; 3199d70f65dfSToomas Soome char avg[MDB_NICENUM_BUFLEN]; 3200d70f65dfSToomas Soome char comp[MDB_NICENUM_BUFLEN], pct[MDB_NICENUM_BUFLEN]; 320188b7b0f2SMatthew Ahrens char typename[64]; 320288b7b0f2SMatthew Ahrens int l; 320388b7b0f2SMatthew Ahrens 320488b7b0f2SMatthew Ahrens 320588b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 320688b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 3207ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 3208ad135b5dSChristopher Siden strcpy(typename, "other"); 320988b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 321088b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 3211eb633035STom Caputi else if (enum_lookup("enum dmu_object_type", 3212eb633035STom Caputi t, "DMU_OT_", sizeof (typename), typename) == -1) { 321388b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 321488b7b0f2SMatthew Ahrens return (DCMD_ERR); 321588b7b0f2SMatthew Ahrens } 321688b7b0f2SMatthew Ahrens 321788b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 321888b7b0f2SMatthew Ahrens continue; 321988b7b0f2SMatthew Ahrens 322088b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 322188b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 322288b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 322388b7b0f2SMatthew Ahrens 322488b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 322588b7b0f2SMatthew Ahrens continue; 322688b7b0f2SMatthew Ahrens 322788b7b0f2SMatthew Ahrens /* 322888b7b0f2SMatthew Ahrens * Don't print each level unless requested. 322988b7b0f2SMatthew Ahrens */ 323088b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 323188b7b0f2SMatthew Ahrens continue; 323288b7b0f2SMatthew Ahrens 323388b7b0f2SMatthew Ahrens /* 323488b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 323588b7b0f2SMatthew Ahrens * level 0 separately. 323688b7b0f2SMatthew Ahrens */ 323788b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 323888b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 323988b7b0f2SMatthew Ahrens continue; 324088b7b0f2SMatthew Ahrens 324188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 324288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 324388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 324488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 324588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 3246d70f65dfSToomas Soome (void) mdb_snprintfrac(comp, MDB_NICENUM_BUFLEN, 3247ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 3248d70f65dfSToomas Soome (void) mdb_snprintfrac(pct, MDB_NICENUM_BUFLEN, 3249ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 325088b7b0f2SMatthew Ahrens 325188b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 325288b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 325388b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 325488b7b0f2SMatthew Ahrens 325588b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 325688b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 325788b7b0f2SMatthew Ahrens else 325888b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 325988b7b0f2SMatthew Ahrens level, typename); 326088b7b0f2SMatthew Ahrens } 326188b7b0f2SMatthew Ahrens } 326288b7b0f2SMatthew Ahrens 326388b7b0f2SMatthew Ahrens return (DCMD_OK); 326488b7b0f2SMatthew Ahrens } 326588b7b0f2SMatthew Ahrens 3266d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 3267d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 3268d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 3269d5ee8a13SMatthew Ahrens uint64_t ref_number; 3270d5ee8a13SMatthew Ahrens } mdb_reference_t; 3271d5ee8a13SMatthew Ahrens 32729966ca11SMatthew Ahrens /* ARGSUSED */ 32739966ca11SMatthew Ahrens static int 32749966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 32759966ca11SMatthew Ahrens { 3276d5ee8a13SMatthew Ahrens mdb_reference_t ref; 32773f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 32789966ca11SMatthew Ahrens char holder_str[128]; 32799966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 32809966ca11SMatthew Ahrens 3281d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 3282d5ee8a13SMatthew Ahrens 0) == -1) 3283d5ee8a13SMatthew Ahrens return (DCMD_ERR); 32849966ca11SMatthew Ahrens 3285d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 3286d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 32873f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 32889966ca11SMatthew Ahrens 32899966ca11SMatthew Ahrens if (removed) 32909966ca11SMatthew Ahrens mdb_printf("removed "); 32919966ca11SMatthew Ahrens mdb_printf("reference "); 3292d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 3293d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 3294d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 32959966ca11SMatthew Ahrens if (holder_is_str) 32969966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 32979966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 32989966ca11SMatthew Ahrens 32999966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 33009966ca11SMatthew Ahrens 33019966ca11SMatthew Ahrens if (removed) { 33029966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 3303d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 33049966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 33059966ca11SMatthew Ahrens } 33069966ca11SMatthew Ahrens 33079966ca11SMatthew Ahrens mdb_printf("\n"); 33089966ca11SMatthew Ahrens 33099966ca11SMatthew Ahrens return (WALK_NEXT); 33109966ca11SMatthew Ahrens } 33119966ca11SMatthew Ahrens 33120dd73f50SJason King typedef struct mdb_zfs_refcount { 3313d5ee8a13SMatthew Ahrens uint64_t rc_count; 33140dd73f50SJason King } mdb_zfs_refcount_t; 3315d5ee8a13SMatthew Ahrens 33160dd73f50SJason King typedef struct mdb_zfs_refcount_removed { 3317d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 33180dd73f50SJason King } mdb_zfs_refcount_removed_t; 3319d5ee8a13SMatthew Ahrens 33200dd73f50SJason King typedef struct mdb_zfs_refcount_tracked { 3321d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 33220dd73f50SJason King } mdb_zfs_refcount_tracked_t; 3323d5ee8a13SMatthew Ahrens 33249966ca11SMatthew Ahrens /* ARGSUSED */ 33259966ca11SMatthew Ahrens static int 33260dd73f50SJason King zfs_refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 33279966ca11SMatthew Ahrens { 33280dd73f50SJason King mdb_zfs_refcount_t rc; 33290dd73f50SJason King mdb_zfs_refcount_removed_t rcr; 33300dd73f50SJason King mdb_zfs_refcount_tracked_t rct; 3331d5ee8a13SMatthew Ahrens int off; 333228e4da25SMatthew Ahrens boolean_t released = B_FALSE; 33339966ca11SMatthew Ahrens 33349966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 33359966ca11SMatthew Ahrens return (DCMD_USAGE); 33369966ca11SMatthew Ahrens 333728e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 333828e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 333928e4da25SMatthew Ahrens NULL) != argc) 334028e4da25SMatthew Ahrens return (DCMD_USAGE); 334128e4da25SMatthew Ahrens 33420dd73f50SJason King if (mdb_ctf_vread(&rc, "zfs_refcount_t", "mdb_zfs_refcount_t", addr, 3343d5ee8a13SMatthew Ahrens 0) == -1) 33449966ca11SMatthew Ahrens return (DCMD_ERR); 33459966ca11SMatthew Ahrens 33460dd73f50SJason King if (mdb_ctf_vread(&rcr, "zfs_refcount_t", "mdb_zfs_refcount_removed_t", 33470dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 33480dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu holds (untracked)\n", 3349d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 335028e4da25SMatthew Ahrens return (DCMD_OK); 335128e4da25SMatthew Ahrens } 335228e4da25SMatthew Ahrens 33530dd73f50SJason King if (mdb_ctf_vread(&rct, "zfs_refcount_t", "mdb_zfs_refcount_tracked_t", 33540dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 3355d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 3356d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 3357d5ee8a13SMatthew Ahrens } 3358d5ee8a13SMatthew Ahrens 33590dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu current holds, " 33609966ca11SMatthew Ahrens "%llu recently released holds\n", 3361d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 33629966ca11SMatthew Ahrens 3363d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 33649966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 33650dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_list"); 3366d5ee8a13SMatthew Ahrens if (off == -1) 33679966ca11SMatthew Ahrens return (DCMD_ERR); 3368d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 33699966ca11SMatthew Ahrens 3370d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 33719966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 3372d5ee8a13SMatthew Ahrens 33730dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_removed"); 3374d5ee8a13SMatthew Ahrens if (off == -1) 33759966ca11SMatthew Ahrens return (DCMD_ERR); 3376421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 337728e4da25SMatthew Ahrens } 33789966ca11SMatthew Ahrens 33799966ca11SMatthew Ahrens return (DCMD_OK); 33809966ca11SMatthew Ahrens } 33819966ca11SMatthew Ahrens 33820a586ceaSMark Shellenbaum /* ARGSUSED */ 33830a586ceaSMark Shellenbaum static int 33840a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 33850a586ceaSMark Shellenbaum { 33860a586ceaSMark Shellenbaum sa_attr_table_t *table; 33870a586ceaSMark Shellenbaum sa_os_t sa_os; 33880a586ceaSMark Shellenbaum char *name; 33890a586ceaSMark Shellenbaum int i; 33900a586ceaSMark Shellenbaum 33910a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 33920a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 33930a586ceaSMark Shellenbaum return (DCMD_ERR); 33940a586ceaSMark Shellenbaum } 33950a586ceaSMark Shellenbaum 33960a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 33970a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 33980a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 33990a586ceaSMark Shellenbaum 34000a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 34010a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 34020a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 34030a586ceaSMark Shellenbaum return (DCMD_ERR); 34040a586ceaSMark Shellenbaum } 34050a586ceaSMark Shellenbaum 34060a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 34070a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 34080a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 34090a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 34100a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 34110a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 34120a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 34130a586ceaSMark Shellenbaum } 34140a586ceaSMark Shellenbaum 34150a586ceaSMark Shellenbaum return (DCMD_OK); 34160a586ceaSMark Shellenbaum } 34170a586ceaSMark Shellenbaum 34180a586ceaSMark Shellenbaum static int 34190a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 34200a586ceaSMark Shellenbaum { 34210a586ceaSMark Shellenbaum uintptr_t idx_table; 34220a586ceaSMark Shellenbaum 342328e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 34240a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 34250a586ceaSMark Shellenbaum return (-1); 34260a586ceaSMark Shellenbaum } 34270a586ceaSMark Shellenbaum 34280a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 34290a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 34300a586ceaSMark Shellenbaum 34310a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 34320a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 34330a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 34340a586ceaSMark Shellenbaum return (-1); 34350a586ceaSMark Shellenbaum } 34360a586ceaSMark Shellenbaum 34370a586ceaSMark Shellenbaum return (DCMD_OK); 34380a586ceaSMark Shellenbaum } 34390a586ceaSMark Shellenbaum 34400a586ceaSMark Shellenbaum /*ARGSUSED*/ 34410a586ceaSMark Shellenbaum static int 34420a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 34430a586ceaSMark Shellenbaum { 34440a586ceaSMark Shellenbaum uint32_t *offset_tab; 34450a586ceaSMark Shellenbaum int attr_count; 34460a586ceaSMark Shellenbaum uint64_t attr_id; 34470a586ceaSMark Shellenbaum uintptr_t attr_addr; 34480a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 34490a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 34500a586ceaSMark Shellenbaum uintptr_t os, os_sa; 34510a586ceaSMark Shellenbaum uintptr_t db_data; 34520a586ceaSMark Shellenbaum 34530a586ceaSMark Shellenbaum if (argc != 1) 34540a586ceaSMark Shellenbaum return (DCMD_USAGE); 34550a586ceaSMark Shellenbaum 34560a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 34570a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 34580a586ceaSMark Shellenbaum else 34590a586ceaSMark Shellenbaum return (DCMD_USAGE); 34600a586ceaSMark Shellenbaum 346128e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 346228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 346328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 346428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 346528e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 34660a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 34670a586ceaSMark Shellenbaum "in sa_handle\n"); 34680a586ceaSMark Shellenbaum return (DCMD_ERR); 34690a586ceaSMark Shellenbaum } 34700a586ceaSMark Shellenbaum 347128e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 34720a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 34730a586ceaSMark Shellenbaum return (DCMD_ERR); 34740a586ceaSMark Shellenbaum } 34750a586ceaSMark Shellenbaum 347628e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 34770a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 34780a586ceaSMark Shellenbaum return (DCMD_ERR); 34790a586ceaSMark Shellenbaum } 34800a586ceaSMark Shellenbaum 34810a586ceaSMark Shellenbaum if (attr_id > attr_count) { 34820a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 34830a586ceaSMark Shellenbaum return (DCMD_ERR); 34840a586ceaSMark Shellenbaum } 34850a586ceaSMark Shellenbaum 34860a586ceaSMark Shellenbaum if (bonus_tab) { 34870a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 34880a586ceaSMark Shellenbaum attr_count) == -1) { 34890a586ceaSMark Shellenbaum return (DCMD_ERR); 34900a586ceaSMark Shellenbaum } 34910a586ceaSMark Shellenbaum 349228e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 34930a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 34940a586ceaSMark Shellenbaum return (DCMD_ERR); 34950a586ceaSMark Shellenbaum } 34960a586ceaSMark Shellenbaum } 34970a586ceaSMark Shellenbaum 34980a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 3499892ad162SToomas Soome spill_tab == 0) { 35000a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 35010a586ceaSMark Shellenbaum return (DCMD_ERR); 35020a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 35030a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 35040a586ceaSMark Shellenbaum attr_count) == -1) { 35050a586ceaSMark Shellenbaum return (DCMD_ERR); 35060a586ceaSMark Shellenbaum } 350728e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 35080a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 35090a586ceaSMark Shellenbaum return (DCMD_ERR); 35100a586ceaSMark Shellenbaum } 35110a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 35120a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 35130a586ceaSMark Shellenbaum return (DCMD_ERR); 35140a586ceaSMark Shellenbaum } 35150a586ceaSMark Shellenbaum } 35160a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 35170a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 35180a586ceaSMark Shellenbaum return (DCMD_OK); 35190a586ceaSMark Shellenbaum } 35200a586ceaSMark Shellenbaum 35210a586ceaSMark Shellenbaum /* ARGSUSED */ 35220a586ceaSMark Shellenbaum static int 35230a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 35240a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 35250a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 35260a586ceaSMark Shellenbaum { 35270a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 35280a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 35290a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 35300a586ceaSMark Shellenbaum 35310a586ceaSMark Shellenbaum if (!verbose) { 35320a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 35330a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 35340a586ceaSMark Shellenbaum return (DCMD_OK); 35350a586ceaSMark Shellenbaum } 35360a586ceaSMark Shellenbaum 35370a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 35380a586ceaSMark Shellenbaum case ACE_OWNER: 35390a586ceaSMark Shellenbaum mdb_printf("owner@:"); 35400a586ceaSMark Shellenbaum break; 35410a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 35420a586ceaSMark Shellenbaum mdb_printf("group@:"); 35430a586ceaSMark Shellenbaum break; 35440a586ceaSMark Shellenbaum case ACE_EVERYONE: 35450a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 35460a586ceaSMark Shellenbaum break; 35470a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 35480a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 35490a586ceaSMark Shellenbaum break; 35500a586ceaSMark Shellenbaum case 0: /* User entry */ 35510a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 35520a586ceaSMark Shellenbaum break; 35530a586ceaSMark Shellenbaum } 35540a586ceaSMark Shellenbaum 35550a586ceaSMark Shellenbaum /* print out permission mask */ 35560a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 35570a586ceaSMark Shellenbaum mdb_printf("r"); 35580a586ceaSMark Shellenbaum else 35590a586ceaSMark Shellenbaum mdb_printf("-"); 35600a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 35610a586ceaSMark Shellenbaum mdb_printf("w"); 35620a586ceaSMark Shellenbaum else 35630a586ceaSMark Shellenbaum mdb_printf("-"); 35640a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 35650a586ceaSMark Shellenbaum mdb_printf("x"); 35660a586ceaSMark Shellenbaum else 35670a586ceaSMark Shellenbaum mdb_printf("-"); 35680a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 35690a586ceaSMark Shellenbaum mdb_printf("p"); 35700a586ceaSMark Shellenbaum else 35710a586ceaSMark Shellenbaum mdb_printf("-"); 35720a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 35730a586ceaSMark Shellenbaum mdb_printf("d"); 35740a586ceaSMark Shellenbaum else 35750a586ceaSMark Shellenbaum mdb_printf("-"); 35760a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 35770a586ceaSMark Shellenbaum mdb_printf("D"); 35780a586ceaSMark Shellenbaum else 35790a586ceaSMark Shellenbaum mdb_printf("-"); 35800a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 35810a586ceaSMark Shellenbaum mdb_printf("a"); 35820a586ceaSMark Shellenbaum else 35830a586ceaSMark Shellenbaum mdb_printf("-"); 35840a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 35850a586ceaSMark Shellenbaum mdb_printf("A"); 35860a586ceaSMark Shellenbaum else 35870a586ceaSMark Shellenbaum mdb_printf("-"); 35880a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 35890a586ceaSMark Shellenbaum mdb_printf("R"); 35900a586ceaSMark Shellenbaum else 35910a586ceaSMark Shellenbaum mdb_printf("-"); 35920a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 35930a586ceaSMark Shellenbaum mdb_printf("W"); 35940a586ceaSMark Shellenbaum else 35950a586ceaSMark Shellenbaum mdb_printf("-"); 35960a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 35970a586ceaSMark Shellenbaum mdb_printf("c"); 35980a586ceaSMark Shellenbaum else 35990a586ceaSMark Shellenbaum mdb_printf("-"); 36000a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 36010a586ceaSMark Shellenbaum mdb_printf("C"); 36020a586ceaSMark Shellenbaum else 36030a586ceaSMark Shellenbaum mdb_printf("-"); 36040a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 36050a586ceaSMark Shellenbaum mdb_printf("o"); 36060a586ceaSMark Shellenbaum else 36070a586ceaSMark Shellenbaum mdb_printf("-"); 36080a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 36090a586ceaSMark Shellenbaum mdb_printf("s"); 36100a586ceaSMark Shellenbaum else 36110a586ceaSMark Shellenbaum mdb_printf("-"); 36120a586ceaSMark Shellenbaum 36130a586ceaSMark Shellenbaum mdb_printf(":"); 36140a586ceaSMark Shellenbaum 36150a586ceaSMark Shellenbaum /* Print out inheritance flags */ 36160a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 36170a586ceaSMark Shellenbaum mdb_printf("f"); 36180a586ceaSMark Shellenbaum else 36190a586ceaSMark Shellenbaum mdb_printf("-"); 36200a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 36210a586ceaSMark Shellenbaum mdb_printf("d"); 36220a586ceaSMark Shellenbaum else 36230a586ceaSMark Shellenbaum mdb_printf("-"); 36240a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 36250a586ceaSMark Shellenbaum mdb_printf("i"); 36260a586ceaSMark Shellenbaum else 36270a586ceaSMark Shellenbaum mdb_printf("-"); 36280a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 36290a586ceaSMark Shellenbaum mdb_printf("n"); 36300a586ceaSMark Shellenbaum else 36310a586ceaSMark Shellenbaum mdb_printf("-"); 36320a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 36330a586ceaSMark Shellenbaum mdb_printf("S"); 36340a586ceaSMark Shellenbaum else 36350a586ceaSMark Shellenbaum mdb_printf("-"); 36360a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 36370a586ceaSMark Shellenbaum mdb_printf("F"); 36380a586ceaSMark Shellenbaum else 36390a586ceaSMark Shellenbaum mdb_printf("-"); 36400a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 36410a586ceaSMark Shellenbaum mdb_printf("I"); 36420a586ceaSMark Shellenbaum else 36430a586ceaSMark Shellenbaum mdb_printf("-"); 36440a586ceaSMark Shellenbaum 36450a586ceaSMark Shellenbaum switch (ace_type) { 36460a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 36470a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 36480a586ceaSMark Shellenbaum break; 36490a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 36500a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 36510a586ceaSMark Shellenbaum break; 36520a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 36530a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 36540a586ceaSMark Shellenbaum break; 36550a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 36560a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 36570a586ceaSMark Shellenbaum break; 36580a586ceaSMark Shellenbaum default: 36590a586ceaSMark Shellenbaum mdb_printf(":?\n"); 36600a586ceaSMark Shellenbaum } 36610a586ceaSMark Shellenbaum return (DCMD_OK); 36620a586ceaSMark Shellenbaum } 36630a586ceaSMark Shellenbaum 36640a586ceaSMark Shellenbaum /* ARGSUSED */ 36650a586ceaSMark Shellenbaum static int 36660a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 36670a586ceaSMark Shellenbaum { 36680a586ceaSMark Shellenbaum zfs_ace_t zace; 36690a586ceaSMark Shellenbaum int verbose = FALSE; 36700a586ceaSMark Shellenbaum uint64_t id; 36710a586ceaSMark Shellenbaum 36720a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 36730a586ceaSMark Shellenbaum return (DCMD_USAGE); 36740a586ceaSMark Shellenbaum 36750a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 36760a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 36770a586ceaSMark Shellenbaum return (DCMD_USAGE); 36780a586ceaSMark Shellenbaum 36790a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 36800a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 36810a586ceaSMark Shellenbaum return (DCMD_ERR); 36820a586ceaSMark Shellenbaum } 36830a586ceaSMark Shellenbaum 36840a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 36850a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 36860a586ceaSMark Shellenbaum id = zace.z_fuid; 36870a586ceaSMark Shellenbaum else 36880a586ceaSMark Shellenbaum id = -1; 36890a586ceaSMark Shellenbaum 36900a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 36910a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 36920a586ceaSMark Shellenbaum } 36930a586ceaSMark Shellenbaum 36940a586ceaSMark Shellenbaum /* ARGSUSED */ 36950a586ceaSMark Shellenbaum static int 36960a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 36970a586ceaSMark Shellenbaum { 36980a586ceaSMark Shellenbaum ace_t ace; 36990a586ceaSMark Shellenbaum uint64_t id; 37000a586ceaSMark Shellenbaum int verbose = FALSE; 37010a586ceaSMark Shellenbaum 37020a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 37030a586ceaSMark Shellenbaum return (DCMD_USAGE); 37040a586ceaSMark Shellenbaum 37050a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 37060a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 37070a586ceaSMark Shellenbaum return (DCMD_USAGE); 37080a586ceaSMark Shellenbaum 37090a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 37100a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 37110a586ceaSMark Shellenbaum return (DCMD_ERR); 37120a586ceaSMark Shellenbaum } 37130a586ceaSMark Shellenbaum 37140a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 37150a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 37160a586ceaSMark Shellenbaum id = ace.a_who; 37170a586ceaSMark Shellenbaum else 37180a586ceaSMark Shellenbaum id = -1; 37190a586ceaSMark Shellenbaum 37200a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 37210a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 37220a586ceaSMark Shellenbaum } 37230a586ceaSMark Shellenbaum 37240a586ceaSMark Shellenbaum typedef struct acl_dump_args { 37250a586ceaSMark Shellenbaum int a_argc; 37260a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 37270a586ceaSMark Shellenbaum uint16_t a_version; 37280a586ceaSMark Shellenbaum int a_flags; 37290a586ceaSMark Shellenbaum } acl_dump_args_t; 37300a586ceaSMark Shellenbaum 37310a586ceaSMark Shellenbaum /* ARGSUSED */ 37320a586ceaSMark Shellenbaum static int 37330a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 37340a586ceaSMark Shellenbaum { 37350a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 37360a586ceaSMark Shellenbaum 37370a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 37380a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 37390a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 37400a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 37410a586ceaSMark Shellenbaum return (WALK_ERR); 37420a586ceaSMark Shellenbaum } 37430a586ceaSMark Shellenbaum } else { 37440a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 37450a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 37460a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 37470a586ceaSMark Shellenbaum return (WALK_ERR); 37480a586ceaSMark Shellenbaum } 37490a586ceaSMark Shellenbaum } 37500a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 37510a586ceaSMark Shellenbaum return (WALK_NEXT); 37520a586ceaSMark Shellenbaum } 37530a586ceaSMark Shellenbaum 37540a586ceaSMark Shellenbaum /* ARGSUSED */ 37550a586ceaSMark Shellenbaum static int 37560a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 37570a586ceaSMark Shellenbaum { 37580a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 37590a586ceaSMark Shellenbaum 37600a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 37610a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 37620a586ceaSMark Shellenbaum arg, addr) != 0) { 37630a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 37640a586ceaSMark Shellenbaum return (DCMD_ERR); 37650a586ceaSMark Shellenbaum } 37660a586ceaSMark Shellenbaum } else { 37670a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 37680a586ceaSMark Shellenbaum arg, addr) != 0) { 37690a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 37700a586ceaSMark Shellenbaum return (DCMD_ERR); 37710a586ceaSMark Shellenbaum } 37720a586ceaSMark Shellenbaum } 37730a586ceaSMark Shellenbaum return (WALK_NEXT); 37740a586ceaSMark Shellenbaum } 37750a586ceaSMark Shellenbaum 37760a586ceaSMark Shellenbaum /* ARGSUSED */ 37770a586ceaSMark Shellenbaum static int 37780a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 37790a586ceaSMark Shellenbaum { 37800a586ceaSMark Shellenbaum zfs_acl_t zacl; 37810a586ceaSMark Shellenbaum int verbose = FALSE; 37820a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 37830a586ceaSMark Shellenbaum 37840a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 37850a586ceaSMark Shellenbaum return (DCMD_USAGE); 37860a586ceaSMark Shellenbaum 37870a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 37883b442230SJordan Paige Hendricks 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) 37890a586ceaSMark Shellenbaum return (DCMD_USAGE); 37900a586ceaSMark Shellenbaum 37910a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 37920a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 37930a586ceaSMark Shellenbaum return (DCMD_ERR); 37940a586ceaSMark Shellenbaum } 37950a586ceaSMark Shellenbaum 37960a586ceaSMark Shellenbaum acl_args.a_argc = argc; 37970a586ceaSMark Shellenbaum acl_args.a_argv = argv; 37980a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 37990a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 38000a586ceaSMark Shellenbaum 38010a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 38020a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 38030a586ceaSMark Shellenbaum return (DCMD_ERR); 38040a586ceaSMark Shellenbaum } 38050a586ceaSMark Shellenbaum 38060a586ceaSMark Shellenbaum return (DCMD_OK); 38070a586ceaSMark Shellenbaum } 38080a586ceaSMark Shellenbaum 38090a586ceaSMark Shellenbaum /* ARGSUSED */ 38100a586ceaSMark Shellenbaum static int 38110a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 38120a586ceaSMark Shellenbaum { 3813892ad162SToomas Soome if (wsp->walk_addr == 0) { 38140a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 38150a586ceaSMark Shellenbaum return (WALK_ERR); 38160a586ceaSMark Shellenbaum } 38170a586ceaSMark Shellenbaum 381828e4da25SMatthew Ahrens wsp->walk_addr += 381928e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 38200a586ceaSMark Shellenbaum 38210a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 38220a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 38230a586ceaSMark Shellenbaum return (WALK_ERR); 38240a586ceaSMark Shellenbaum } 38250a586ceaSMark Shellenbaum 38260a586ceaSMark Shellenbaum return (WALK_NEXT); 38270a586ceaSMark Shellenbaum } 38280a586ceaSMark Shellenbaum 38290a586ceaSMark Shellenbaum static int 38300a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 38310a586ceaSMark Shellenbaum { 38320a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 38330a586ceaSMark Shellenbaum 38340a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 38350a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 38360a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 38370a586ceaSMark Shellenbaum return (WALK_ERR); 38380a586ceaSMark Shellenbaum } 38390a586ceaSMark Shellenbaum 38400a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 38410a586ceaSMark Shellenbaum } 38420a586ceaSMark Shellenbaum 38430a586ceaSMark Shellenbaum typedef struct ace_walk_data { 38440a586ceaSMark Shellenbaum int ace_count; 38450a586ceaSMark Shellenbaum int ace_version; 38460a586ceaSMark Shellenbaum } ace_walk_data_t; 38470a586ceaSMark Shellenbaum 38480a586ceaSMark Shellenbaum static int 38490a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 38500a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 38510a586ceaSMark Shellenbaum { 38520a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 38530a586ceaSMark Shellenbaum 3854892ad162SToomas Soome if (wsp->walk_addr == 0) { 38550a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 38560a586ceaSMark Shellenbaum return (WALK_ERR); 38570a586ceaSMark Shellenbaum } 38580a586ceaSMark Shellenbaum 38590a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 38600a586ceaSMark Shellenbaum 38610a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 38620a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 38630a586ceaSMark Shellenbaum 38640a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 38650a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 38660a586ceaSMark Shellenbaum 38670a586ceaSMark Shellenbaum return (WALK_NEXT); 38680a586ceaSMark Shellenbaum } 38690a586ceaSMark Shellenbaum 38700a586ceaSMark Shellenbaum static int 38710a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 38720a586ceaSMark Shellenbaum { 38730a586ceaSMark Shellenbaum static int gotid; 38740a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 38750a586ceaSMark Shellenbaum int z_ace_count; 38760a586ceaSMark Shellenbaum uintptr_t z_acldata; 38770a586ceaSMark Shellenbaum 38780a586ceaSMark Shellenbaum if (!gotid) { 38790a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 38800a586ceaSMark Shellenbaum &acl_id) == -1) { 38810a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 38820a586ceaSMark Shellenbaum return (DCMD_ERR); 38830a586ceaSMark Shellenbaum } 38840a586ceaSMark Shellenbaum gotid = TRUE; 38850a586ceaSMark Shellenbaum } 38860a586ceaSMark Shellenbaum 38870a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 38880a586ceaSMark Shellenbaum return (DCMD_ERR); 38890a586ceaSMark Shellenbaum } 38900a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 38910a586ceaSMark Shellenbaum return (DCMD_ERR); 38920a586ceaSMark Shellenbaum } 38930a586ceaSMark Shellenbaum 38940a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 38950a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 38960a586ceaSMark Shellenbaum } 38970a586ceaSMark Shellenbaum 38980a586ceaSMark Shellenbaum /* ARGSUSED */ 38990a586ceaSMark Shellenbaum static int 39000a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 39010a586ceaSMark Shellenbaum { 39020a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 39030a586ceaSMark Shellenbaum } 39040a586ceaSMark Shellenbaum 39050a586ceaSMark Shellenbaum /* ARGSUSED */ 39060a586ceaSMark Shellenbaum static int 39070a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 39080a586ceaSMark Shellenbaum { 39090a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 39100a586ceaSMark Shellenbaum } 39110a586ceaSMark Shellenbaum 39120a586ceaSMark Shellenbaum static int 39130a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 39140a586ceaSMark Shellenbaum { 39150a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 39160a586ceaSMark Shellenbaum zfs_ace_t zace; 39170a586ceaSMark Shellenbaum ace_t *acep; 39180a586ceaSMark Shellenbaum int status; 39190a586ceaSMark Shellenbaum int entry_type; 39200a586ceaSMark Shellenbaum int allow_type; 39210a586ceaSMark Shellenbaum uintptr_t ptr; 39220a586ceaSMark Shellenbaum 39230a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 39240a586ceaSMark Shellenbaum return (WALK_DONE); 39250a586ceaSMark Shellenbaum 39260a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 39270a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 39280a586ceaSMark Shellenbaum wsp->walk_addr); 39290a586ceaSMark Shellenbaum return (WALK_ERR); 39300a586ceaSMark Shellenbaum } 39310a586ceaSMark Shellenbaum 39320a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 39330a586ceaSMark Shellenbaum case 0: 39340a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 39350a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 39360a586ceaSMark Shellenbaum allow_type = acep->a_type; 39370a586ceaSMark Shellenbaum break; 39380a586ceaSMark Shellenbaum case 1: 39390a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 39400a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 39410a586ceaSMark Shellenbaum break; 39420a586ceaSMark Shellenbaum default: 39430a586ceaSMark Shellenbaum return (WALK_ERR); 39440a586ceaSMark Shellenbaum } 39450a586ceaSMark Shellenbaum 39460a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 39470a586ceaSMark Shellenbaum switch (entry_type) { 39480a586ceaSMark Shellenbaum case ACE_OWNER: 39490a586ceaSMark Shellenbaum case ACE_EVERYONE: 39500a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 39510a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39520a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 39530a586ceaSMark Shellenbaum break; 39540a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 39550a586ceaSMark Shellenbaum default: 39560a586ceaSMark Shellenbaum switch (allow_type) { 39570a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 39580a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 39590a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 39600a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 39610a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39620a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 39630a586ceaSMark Shellenbaum break; 39640a586ceaSMark Shellenbaum default: 39650a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39660a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 39670a586ceaSMark Shellenbaum break; 39680a586ceaSMark Shellenbaum } 39690a586ceaSMark Shellenbaum } 39700a586ceaSMark Shellenbaum 39710a586ceaSMark Shellenbaum ace_data->ace_count--; 39720a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 39730a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 39740a586ceaSMark Shellenbaum 39750a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 39760a586ceaSMark Shellenbaum return (status); 39770a586ceaSMark Shellenbaum } 39780a586ceaSMark Shellenbaum 397928e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3980d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 398128e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 398228e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 398328e4da25SMatthew Ahrens 398428e4da25SMatthew Ahrens static uint_t rrw_key; 398528e4da25SMatthew Ahrens 398628e4da25SMatthew Ahrens /* ARGSUSED */ 398728e4da25SMatthew Ahrens static int 398828e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 398928e4da25SMatthew Ahrens { 399028e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 399128e4da25SMatthew Ahrens 399228e4da25SMatthew Ahrens if (rrw_key == 0) { 399328e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 399428e4da25SMatthew Ahrens return (DCMD_ERR); 399528e4da25SMatthew Ahrens } 399628e4da25SMatthew Ahrens 399728e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 399828e4da25SMatthew Ahrens 0) == -1) 399928e4da25SMatthew Ahrens return (DCMD_ERR); 400028e4da25SMatthew Ahrens 4001d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 4002d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 400328e4da25SMatthew Ahrens return (DCMD_OK); 400428e4da25SMatthew Ahrens } 400528e4da25SMatthew Ahrens 400628e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 400728e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 400828e4da25SMatthew Ahrens } 400928e4da25SMatthew Ahrens 401028e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 40110dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 401228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 401328e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 401428e4da25SMatthew Ahrens 401528e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 40160dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 401728e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 401828e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 401928e4da25SMatthew Ahrens 402028e4da25SMatthew Ahrens /* 402128e4da25SMatthew Ahrens * XXX This should find references from 402228e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 402328e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 402428e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 402528e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 402628e4da25SMatthew Ahrens */ 402728e4da25SMatthew Ahrens 402828e4da25SMatthew Ahrens return (DCMD_OK); 402928e4da25SMatthew Ahrens } 403028e4da25SMatthew Ahrens 4031dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 4032dcbf3bd6SGeorge Wilson uint16_t b_psize; 4033dcbf3bd6SGeorge Wilson uint16_t b_lsize; 4034dcbf3bd6SGeorge Wilson struct { 4035dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 4036dcbf3bd6SGeorge Wilson uintptr_t b_state; 4037dcbf3bd6SGeorge Wilson } b_l1hdr; 4038dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 4039dcbf3bd6SGeorge Wilson 4040dcbf3bd6SGeorge Wilson enum arc_cflags { 4041dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 4042dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 4043dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 4044dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 4045dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 4046dcbf3bd6SGeorge Wilson }; 4047dcbf3bd6SGeorge Wilson 4048dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 4049dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 4050dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 4051dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 4052dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 4053dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 4054dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 4055dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 4056dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 4057dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 4058dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 4059dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 4060dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 4061dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 4062dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 4063dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 4064dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 4065dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 4066dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 4067dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 4068dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 4069*f3e1a610SJason King 4070*f3e1a610SJason King ulong_t l1hdr_off; /* offset of b_l1hdr in arc_buf_hdr_t */ 4071dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 4072dcbf3bd6SGeorge Wilson 4073dcbf3bd6SGeorge Wilson int 4074dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 4075dcbf3bd6SGeorge Wilson { 4076dcbf3bd6SGeorge Wilson int h = 1; 4077dcbf3bd6SGeorge Wilson 4078dcbf3bd6SGeorge Wilson if (i == 0) 4079dcbf3bd6SGeorge Wilson return (0); 4080dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 4081dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 4082dcbf3bd6SGeorge Wilson } 4083dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 4084dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 4085dcbf3bd6SGeorge Wilson } 4086dcbf3bd6SGeorge Wilson if (i & 0xff00) { 4087dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 4088dcbf3bd6SGeorge Wilson } 4089dcbf3bd6SGeorge Wilson if (i & 0xf0) { 4090dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 4091dcbf3bd6SGeorge Wilson } 4092dcbf3bd6SGeorge Wilson if (i & 0xc) { 4093dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 4094dcbf3bd6SGeorge Wilson } 4095dcbf3bd6SGeorge Wilson if (i & 0x2) { 4096dcbf3bd6SGeorge Wilson h += 1; 4097dcbf3bd6SGeorge Wilson } 4098dcbf3bd6SGeorge Wilson return (h); 4099dcbf3bd6SGeorge Wilson } 4100dcbf3bd6SGeorge Wilson 4101dcbf3bd6SGeorge Wilson /* ARGSUSED */ 4102dcbf3bd6SGeorge Wilson static int 4103dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 4104dcbf3bd6SGeorge Wilson { 4105dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 4106*f3e1a610SJason King arc_flags_t flags; 4107dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 4108dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 4109dcbf3bd6SGeorge Wilson 4110*f3e1a610SJason King /* 4111*f3e1a610SJason King * mdb_ctf_vread() uses the sizeof the target type (e.g. 4112*f3e1a610SJason King * sizeof (arc_buf_hdr_t) in the target) to read in the entire contents 4113*f3e1a610SJason King * of the target type into a buffer and then copy the values of the 4114*f3e1a610SJason King * desired members from the mdb typename (e.g. mdb_arc_buf_hdr_t) from 4115*f3e1a610SJason King * this buffer. Unfortunately, the way arc_buf_hdr_t is used by zfs, 4116*f3e1a610SJason King * the actual size allocated by the kernel for arc_buf_hdr_t is often 4117*f3e1a610SJason King * smaller than `sizeof (arc_buf_hdr_t)` (see the definitions of 4118*f3e1a610SJason King * l1arc_buf_hdr_t and arc_buf_hdr_t in 4119*f3e1a610SJason King * usr/src/uts/common/fs/zfs/arc.c). Attempting to read the entire 4120*f3e1a610SJason King * contents of arc_buf_hdr_t from the target (as mdb_ctf_vread() does) 4121*f3e1a610SJason King * can cause an error if the allocated size is indeed smaller--it's 4122*f3e1a610SJason King * possible that the 'missing' trailing members of arc_buf_hdr_t 4123*f3e1a610SJason King * (l1arc_buf_hdr_t and/or arc_buf_hdr_crypt_t) may fall into unmapped 4124*f3e1a610SJason King * memory. 4125*f3e1a610SJason King * 4126*f3e1a610SJason King * We use the GETMEMB macro instead which performs an mdb_vread() 4127*f3e1a610SJason King * but only reads enough of the target to retrieve the desired struct 4128*f3e1a610SJason King * member instead of the entire struct. 4129*f3e1a610SJason King */ 4130*f3e1a610SJason King if (GETMEMB(addr, "arc_buf_hdr", b_flags, flags) == -1) 4131dcbf3bd6SGeorge Wilson return (WALK_ERR); 4132*f3e1a610SJason King 4133*f3e1a610SJason King /* 4134*f3e1a610SJason King * We only count headers that have data loaded in the kernel. 4135*f3e1a610SJason King * This means an L1 header must be present as well as the data 4136*f3e1a610SJason King * that corresponds to the L1 header. If there's no L1 header, 4137*f3e1a610SJason King * we can skip the arc_buf_hdr_t completely. If it's present, we 4138*f3e1a610SJason King * must look at the ARC state (b_l1hdr.b_state) to determine if 4139*f3e1a610SJason King * the data is present. 4140*f3e1a610SJason King */ 4141*f3e1a610SJason King if ((flags & ARC_FLAG_HAS_L1HDR) == 0) 4142*f3e1a610SJason King return (WALK_NEXT); 4143*f3e1a610SJason King 4144*f3e1a610SJason King if (GETMEMB(addr, "arc_buf_hdr", b_psize, hdr.b_psize) == -1 || 4145*f3e1a610SJason King GETMEMB(addr, "arc_buf_hdr", b_lsize, hdr.b_lsize) == -1 || 4146*f3e1a610SJason King GETMEMB(addr + data->l1hdr_off, "l1arc_buf_hdr", b_bufcnt, 4147*f3e1a610SJason King hdr.b_l1hdr.b_bufcnt) == -1 || 4148*f3e1a610SJason King GETMEMB(addr + data->l1hdr_off, "l1arc_buf_hdr", b_state, 4149*f3e1a610SJason King hdr.b_l1hdr.b_state) == -1) 4150*f3e1a610SJason King return (WALK_ERR); 4151dcbf3bd6SGeorge Wilson 4152dcbf3bd6SGeorge Wilson /* 4153dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 4154dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 4155dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 4156dcbf3bd6SGeorge Wilson */ 4157dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 4158dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 4159dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 4160dcbf3bd6SGeorge Wilson return (WALK_NEXT); 4161dcbf3bd6SGeorge Wilson } 4162dcbf3bd6SGeorge Wilson 4163dcbf3bd6SGeorge Wilson /* 4164dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 4165dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 4166dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 4167dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 4168dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 4169dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 4170dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 4171dcbf3bd6SGeorge Wilson * 4172dcbf3bd6SGeorge Wilson * 0: 0 byte headers 4173dcbf3bd6SGeorge Wilson * 1: 512 byte headers 4174dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 4175dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 4176dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 4177dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 4178dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 4179dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 4180dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 4181dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 4182dcbf3bd6SGeorge Wilson * 4183dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 4184dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 4185dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 4186dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 4187dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 4188dcbf3bd6SGeorge Wilson * correspond to: 4189dcbf3bd6SGeorge Wilson * 4190dcbf3bd6SGeorge Wilson * 0: 0 byte headers 4191dcbf3bd6SGeorge Wilson * 1: 512 byte headers 4192dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 4193dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 4194dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 4195dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 4196dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 4197dcbf3bd6SGeorge Wilson * 4198dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 4199dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 4200dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 4201dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 4202dcbf3bd6SGeorge Wilson * above. 4203dcbf3bd6SGeorge Wilson * 4204dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 4205dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 4206dcbf3bd6SGeorge Wilson */ 4207dcbf3bd6SGeorge Wilson 4208dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 4209dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 4210dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 4211dcbf3bd6SGeorge Wilson } else { 4212dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 4213dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 4214dcbf3bd6SGeorge Wilson } 4215dcbf3bd6SGeorge Wilson 4216dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 4217dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 4218dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 4219dcbf3bd6SGeorge Wilson 4220dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 4221dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 4222dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 4223dcbf3bd6SGeorge Wilson 4224dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 4225dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 4226dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 4227dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 4228dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 4229dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 4230dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 4231dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 4232dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 4233dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 4234dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 4235dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 4236dcbf3bd6SGeorge Wilson } 4237dcbf3bd6SGeorge Wilson 4238dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 4239dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 4240dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 4241dcbf3bd6SGeorge Wilson 4242dcbf3bd6SGeorge Wilson return (WALK_NEXT); 4243dcbf3bd6SGeorge Wilson } 4244dcbf3bd6SGeorge Wilson 4245dcbf3bd6SGeorge Wilson /* ARGSUSED */ 4246dcbf3bd6SGeorge Wilson static int 4247dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 4248dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 4249dcbf3bd6SGeorge Wilson { 4250dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 4251dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 4252dcbf3bd6SGeorge Wilson unsigned int hist_size; 4253dcbf3bd6SGeorge Wilson char range[32]; 4254dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 4255*f3e1a610SJason King int off; 4256dcbf3bd6SGeorge Wilson 4257dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 4258dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 4259dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 4260dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 4261dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 42623b442230SJordan Paige Hendricks 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags, 42633b442230SJordan Paige Hendricks NULL) != argc) 4264dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 4265dcbf3bd6SGeorge Wilson 4266dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 4267dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 4268dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 4269dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 4270dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 4271dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 4272dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 4273dcbf3bd6SGeorge Wilson return (DCMD_ERR); 4274dcbf3bd6SGeorge Wilson } 4275dcbf3bd6SGeorge Wilson 4276dcbf3bd6SGeorge Wilson /* 4277dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 4278dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 4279dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 4280dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 4281dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 4282dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 4283dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 4284dcbf3bd6SGeorge Wilson */ 4285dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 4286dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 4287dcbf3bd6SGeorge Wilson else 4288dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 4289dcbf3bd6SGeorge Wilson 4290dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 4291dcbf3bd6SGeorge Wilson 4292dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4293dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4294dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4295dcbf3bd6SGeorge Wilson 4296dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4297dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4298dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4299dcbf3bd6SGeorge Wilson 4300dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4301dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4302dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4303dcbf3bd6SGeorge Wilson 4304dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4305dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4306dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4307dcbf3bd6SGeorge Wilson 4308*f3e1a610SJason King if ((off = mdb_ctf_offsetof_by_name(ZFS_STRUCT "arc_buf_hdr", 4309*f3e1a610SJason King "b_l1hdr")) == -1) { 4310*f3e1a610SJason King mdb_warn("could not get offset of b_l1hdr from arc_buf_hdr_t"); 4311*f3e1a610SJason King rc = DCMD_ERR; 4312*f3e1a610SJason King goto out; 4313*f3e1a610SJason King } 4314*f3e1a610SJason King data.l1hdr_off = off; 4315*f3e1a610SJason King 4316dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 4317dcbf3bd6SGeorge Wilson &data) != 0) { 4318dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 4319dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4320dcbf3bd6SGeorge Wilson goto out; 4321dcbf3bd6SGeorge Wilson } 4322dcbf3bd6SGeorge Wilson 4323dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 4324dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4325dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 4326dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4327dcbf3bd6SGeorge Wilson } else { 4328dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4329dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 4330dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4331dcbf3bd6SGeorge Wilson } 4332dcbf3bd6SGeorge Wilson 4333dcbf3bd6SGeorge Wilson if (rc < 0) { 4334dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 4335dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4336dcbf3bd6SGeorge Wilson goto out; 4337dcbf3bd6SGeorge Wilson } else { 4338dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 4339dcbf3bd6SGeorge Wilson rc = DCMD_OK; 4340dcbf3bd6SGeorge Wilson } 4341dcbf3bd6SGeorge Wilson 4342dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 4343dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4344dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 4345dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4346dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 4347dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4348dcbf3bd6SGeorge Wilson } 4349dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 4350dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4351dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 4352dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4353dcbf3bd6SGeorge Wilson 4354dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 4355dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4356dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 4357dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4358dcbf3bd6SGeorge Wilson } 4359dcbf3bd6SGeorge Wilson 4360dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 4361dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4362dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 4363dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4364dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 4365dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4366dcbf3bd6SGeorge Wilson } 4367dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 4368dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4369dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 4370dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4371dcbf3bd6SGeorge Wilson 4372dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 4373dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4374dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 4375dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4376dcbf3bd6SGeorge Wilson } 4377dcbf3bd6SGeorge Wilson 4378dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 4379dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4380dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 4381dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4382dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 4383dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4384dcbf3bd6SGeorge Wilson } 4385dcbf3bd6SGeorge Wilson 4386dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 4387dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4388dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 4389dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4390dcbf3bd6SGeorge Wilson 4391dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 4392dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4393dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 4394dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4395dcbf3bd6SGeorge Wilson } 4396dcbf3bd6SGeorge Wilson 4397dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4398dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 4399dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 4400dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 4401dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4402dcbf3bd6SGeorge Wilson } 4403dcbf3bd6SGeorge Wilson 4404dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 4405dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4406dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 4407dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4408dcbf3bd6SGeorge Wilson 4409dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 4410dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4411dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 4412dcbf3bd6SGeorge Wilson 4413dcbf3bd6SGeorge Wilson out: 4414dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 4415dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 4416dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 4417dcbf3bd6SGeorge Wilson 4418dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 4419dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 4420dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 4421dcbf3bd6SGeorge Wilson 4422dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 4423dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 4424dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 4425dcbf3bd6SGeorge Wilson 4426dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 4427dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 4428dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 4429dcbf3bd6SGeorge Wilson 4430dcbf3bd6SGeorge Wilson return (rc); 4431dcbf3bd6SGeorge Wilson } 4432dcbf3bd6SGeorge Wilson 44334d7988d6SPaul Dagnelie typedef struct mdb_range_seg64 { 4434814dcd43SSerapheim Dimitropoulos uint64_t rs_start; 4435814dcd43SSerapheim Dimitropoulos uint64_t rs_end; 44364d7988d6SPaul Dagnelie } mdb_range_seg64_t; 44374d7988d6SPaul Dagnelie 44384d7988d6SPaul Dagnelie typedef struct mdb_range_seg32 { 44394d7988d6SPaul Dagnelie uint32_t rs_start; 44404d7988d6SPaul Dagnelie uint32_t rs_end; 44414d7988d6SPaul Dagnelie } mdb_range_seg32_t; 4442814dcd43SSerapheim Dimitropoulos 4443814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4444814dcd43SSerapheim Dimitropoulos static int 4445814dcd43SSerapheim Dimitropoulos range_tree_cb(uintptr_t addr, const void *unknown, void *arg) 4446814dcd43SSerapheim Dimitropoulos { 44474d7988d6SPaul Dagnelie mdb_range_tree_t *rt = (mdb_range_tree_t *)arg; 44484d7988d6SPaul Dagnelie uint64_t start, end; 4449814dcd43SSerapheim Dimitropoulos 44504d7988d6SPaul Dagnelie if (rt->rt_type == RANGE_SEG64) { 44514d7988d6SPaul Dagnelie mdb_range_seg64_t rs; 44524d7988d6SPaul Dagnelie 44534d7988d6SPaul Dagnelie if (mdb_ctf_vread(&rs, ZFS_STRUCT "range_seg64", 44544d7988d6SPaul Dagnelie "mdb_range_seg64_t", addr, 0) == -1) 4455814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 44564d7988d6SPaul Dagnelie start = rs.rs_start; 44574d7988d6SPaul Dagnelie end = rs.rs_end; 44584d7988d6SPaul Dagnelie } else { 44594d7988d6SPaul Dagnelie ASSERT3U(rt->rt_type, ==, RANGE_SEG32); 44604d7988d6SPaul Dagnelie mdb_range_seg32_t rs; 4461814dcd43SSerapheim Dimitropoulos 44624d7988d6SPaul Dagnelie if (mdb_ctf_vread(&rs, ZFS_STRUCT "range_seg32", 44634d7988d6SPaul Dagnelie "mdb_range_seg32_t", addr, 0) == -1) 44644d7988d6SPaul Dagnelie return (DCMD_ERR); 44654d7988d6SPaul Dagnelie start = ((uint64_t)rs.rs_start << rt->rt_shift) + rt->rt_start; 44664d7988d6SPaul Dagnelie end = ((uint64_t)rs.rs_end << rt->rt_shift) + rt->rt_start; 44674d7988d6SPaul Dagnelie } 44684d7988d6SPaul Dagnelie 44694d7988d6SPaul Dagnelie mdb_printf("\t[%llx %llx) (length %llx)\n", start, end, end - start); 4470814dcd43SSerapheim Dimitropoulos 4471814dcd43SSerapheim Dimitropoulos return (0); 4472814dcd43SSerapheim Dimitropoulos } 4473814dcd43SSerapheim Dimitropoulos 4474814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4475814dcd43SSerapheim Dimitropoulos static int 4476814dcd43SSerapheim Dimitropoulos range_tree(uintptr_t addr, uint_t flags, int argc, 4477814dcd43SSerapheim Dimitropoulos const mdb_arg_t *argv) 4478814dcd43SSerapheim Dimitropoulos { 4479814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 44804d7988d6SPaul Dagnelie uintptr_t btree_addr; 4481814dcd43SSerapheim Dimitropoulos 4482814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4483814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4484814dcd43SSerapheim Dimitropoulos 4485814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, ZFS_STRUCT "range_tree", "mdb_range_tree_t", 4486814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4487814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4488814dcd43SSerapheim Dimitropoulos 4489814dcd43SSerapheim Dimitropoulos mdb_printf("%p: range tree of %llu entries, %llu bytes\n", 44904d7988d6SPaul Dagnelie addr, rt.rt_root.bt_num_elems, rt.rt_space); 4491814dcd43SSerapheim Dimitropoulos 44924d7988d6SPaul Dagnelie btree_addr = addr + 4493814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "range_tree", "rt_root"); 4494814dcd43SSerapheim Dimitropoulos 44954d7988d6SPaul Dagnelie if (mdb_pwalk("zfs_btree", range_tree_cb, &rt, btree_addr) != 0) { 4496814dcd43SSerapheim Dimitropoulos mdb_warn("can't walk range_tree segments"); 4497814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4498814dcd43SSerapheim Dimitropoulos } 4499814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4500814dcd43SSerapheim Dimitropoulos } 4501814dcd43SSerapheim Dimitropoulos 4502814dcd43SSerapheim Dimitropoulos typedef struct mdb_spa_log_sm { 4503814dcd43SSerapheim Dimitropoulos uint64_t sls_sm_obj; 4504814dcd43SSerapheim Dimitropoulos uint64_t sls_txg; 4505814dcd43SSerapheim Dimitropoulos uint64_t sls_nblocks; 4506814dcd43SSerapheim Dimitropoulos uint64_t sls_mscount; 4507814dcd43SSerapheim Dimitropoulos } mdb_spa_log_sm_t; 4508814dcd43SSerapheim Dimitropoulos 4509814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4510814dcd43SSerapheim Dimitropoulos static int 4511814dcd43SSerapheim Dimitropoulos logsm_stats_cb(uintptr_t addr, const void *unknown, void *arg) 4512814dcd43SSerapheim Dimitropoulos { 4513814dcd43SSerapheim Dimitropoulos mdb_spa_log_sm_t sls; 4514814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&sls, ZFS_STRUCT "spa_log_sm", "mdb_spa_log_sm_t", 4515814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4516814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4517814dcd43SSerapheim Dimitropoulos 4518814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld %7lld\n", 4519814dcd43SSerapheim Dimitropoulos sls.sls_txg, sls.sls_nblocks, sls.sls_mscount, sls.sls_sm_obj); 4520814dcd43SSerapheim Dimitropoulos 4521814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4522814dcd43SSerapheim Dimitropoulos } 4523814dcd43SSerapheim Dimitropoulos typedef struct mdb_log_summary_entry { 4524814dcd43SSerapheim Dimitropoulos uint64_t lse_start; 4525814dcd43SSerapheim Dimitropoulos uint64_t lse_blkcount; 4526814dcd43SSerapheim Dimitropoulos uint64_t lse_mscount; 4527814dcd43SSerapheim Dimitropoulos } mdb_log_summary_entry_t; 4528814dcd43SSerapheim Dimitropoulos 4529814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4530814dcd43SSerapheim Dimitropoulos static int 4531814dcd43SSerapheim Dimitropoulos logsm_summary_cb(uintptr_t addr, const void *unknown, void *arg) 4532814dcd43SSerapheim Dimitropoulos { 4533814dcd43SSerapheim Dimitropoulos mdb_log_summary_entry_t lse; 4534814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&lse, ZFS_STRUCT "log_summary_entry", 4535814dcd43SSerapheim Dimitropoulos "mdb_log_summary_entry_t", addr, 0) == -1) 4536814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4537814dcd43SSerapheim Dimitropoulos 4538814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld\n", 4539814dcd43SSerapheim Dimitropoulos lse.lse_start, lse.lse_blkcount, lse.lse_mscount); 4540814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4541814dcd43SSerapheim Dimitropoulos } 4542814dcd43SSerapheim Dimitropoulos 4543814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4544814dcd43SSerapheim Dimitropoulos static int 4545814dcd43SSerapheim Dimitropoulos logsm_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4546814dcd43SSerapheim Dimitropoulos { 4547814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4548814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4549814dcd43SSerapheim Dimitropoulos 4550814dcd43SSerapheim Dimitropoulos uintptr_t sls_avl_addr = addr + 4551814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_sm_logs_by_txg"); 4552814dcd43SSerapheim Dimitropoulos uintptr_t summary_addr = addr + 4553814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_log_summary"); 4554814dcd43SSerapheim Dimitropoulos 4555814dcd43SSerapheim Dimitropoulos mdb_printf("Log Entries:\n"); 4556814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s %7s\n", "txg", "blk", "ms", "obj"); 4557814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("avl", logsm_stats_cb, NULL, sls_avl_addr) != 0) 4558814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4559814dcd43SSerapheim Dimitropoulos 4560814dcd43SSerapheim Dimitropoulos mdb_printf("\nSummary Entries:\n"); 4561814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s\n", "txg", "blk", "ms"); 4562814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("list", logsm_summary_cb, NULL, summary_addr) != 0) 4563814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4564814dcd43SSerapheim Dimitropoulos 4565814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4566814dcd43SSerapheim Dimitropoulos } 4567814dcd43SSerapheim Dimitropoulos 4568ccae0b50Seschrock /* 4569fa9e4066Sahrens * MDB module linkage information: 4570fa9e4066Sahrens * 4571fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 4572fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 4573fa9e4066Sahrens */ 4574fa9e4066Sahrens 4575fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 457691ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 4577fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 45785cabbc6bSPrashanth Sreenivasa { "dva", ":", "print dva_t", dva }, 4579fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 4580fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 4581fa9e4066Sahrens { "dbufs", 45824223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 45833cb34c60Sahrens "[-o object | \"mdn\"] \n" 4584fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 458591ebeef5Sahrens "find dmu_buf_impl_t's that match specified criteria", dbufs }, 4586fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 4587fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 4588fa9e4066Sahrens abuf_find }, 4589814dcd43SSerapheim Dimitropoulos { "logsm_stats", ":", "print log space map statistics of a spa_t", 4590814dcd43SSerapheim Dimitropoulos logsm_stats}, 45912e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 45922e4c9986SGeorge Wilson "\t-c display spa config\n" 45932e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 45942e4c9986SGeorge Wilson "\t-v display vdev information\n" 45952e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 45962e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 45972e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 45982e4c9986SGeorge Wilson "spa_t summary", spa_print }, 4599fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 4600fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 46012e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 46022e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 46032e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 46042e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 46052e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 46062e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 460717f11284SSerapheim Dimitropoulos { "sm_entries", "<buffer length in bytes>", 460817f11284SSerapheim Dimitropoulos "print out space map entries from a buffer decoded", 460917f11284SSerapheim Dimitropoulos sm_entries}, 461091e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 461191ebeef5Sahrens "\t-r display recursively\n" 46122e4c9986SGeorge Wilson "\t-e display statistics\n" 461391e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 461491e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 46152e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 461691ebeef5Sahrens "vdev_t summary", vdev_print }, 46172e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 4618a3f829aeSBill Moore "\t-c display children\n" 4619a3f829aeSBill Moore "\t-p display parents\n" 4620a3f829aeSBill Moore "\t-r display recursively", 4621a3f829aeSBill Moore "zio_t summary", zio_print }, 4622ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 4623ccae0b50Seschrock "for a particular pool", zio_state }, 462488b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 462588b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 462688b7b0f2SMatthew Ahrens zfs_blkstats }, 4627614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 46280dd73f50SJason King { "zfs_refcount", ":[-r]\n" 462928e4da25SMatthew Ahrens "\t-r display recently removed references", 46300dd73f50SJason King "print zfs_refcount_t holders", zfs_refcount }, 46313f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 46320a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 46330a586ceaSMark Shellenbaum zfs_acl_dump }, 46340a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 46350a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 46360a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 46370a586ceaSMark Shellenbaum sa_attr_table}, 46380a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 46390a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 464028e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 46413f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 464228e4da25SMatthew Ahrens { "rrwlock", ":", 464328e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 46448363e80aSGeorge Wilson { "metaslab_weight", "weight", 46458363e80aSGeorge Wilson "print metaslab weight", metaslab_weight}, 46468363e80aSGeorge Wilson { "metaslab_trace", ":", 46478363e80aSGeorge Wilson "print metaslab allocation trace records", metaslab_trace}, 4648dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 4649dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 4650dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 4651dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 4652dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 4653dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 4654dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 4655dcbf3bd6SGeorge Wilson arc_compression_stats}, 4656814dcd43SSerapheim Dimitropoulos { "range_tree", ":", 4657814dcd43SSerapheim Dimitropoulos "print entries in range_tree_t", range_tree}, 4658fa9e4066Sahrens { NULL } 4659fa9e4066Sahrens }; 4660fa9e4066Sahrens 4661fa9e4066Sahrens static const mdb_walker_t walkers[] = { 4662fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 46635f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 4664fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 46655f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 4666fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 46675f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 4668fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 46695f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 4670fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 46715f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 4672ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 4673ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 467428e4da25SMatthew Ahrens { "zio_root", 467528e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 4676ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 4677fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 4678fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 46795f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 46805f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 4681dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 4682dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 46830a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 46840a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 46850a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 46860a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 46870a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 46880a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 46890a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 46904d7988d6SPaul Dagnelie { "zfs_btree", "given a zfs_btree_t *, walk all entries", 46914d7988d6SPaul Dagnelie btree_walk_init, btree_walk_step, btree_walk_fini }, 4692fa9e4066Sahrens { NULL } 4693fa9e4066Sahrens }; 4694fa9e4066Sahrens 4695fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 4696fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 4697fa9e4066Sahrens }; 4698fa9e4066Sahrens 4699fa9e4066Sahrens const mdb_modinfo_t * 4700fa9e4066Sahrens _mdb_init(void) 4701fa9e4066Sahrens { 4702fa9e4066Sahrens return (&modinfo); 4703fa9e4066Sahrens } 4704