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. 253b442230SJordan Paige Hendricks * Copyright 2019 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> 58fa9e4066Sahrens 59fa9e4066Sahrens #ifdef _KERNEL 60fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 61c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 62fa9e4066Sahrens #else 63fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 64fa9e4066Sahrens #endif 65fa9e4066Sahrens 6628e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 6728e4da25SMatthew Ahrens 68feef89cfSVictor Latushkin #ifndef _KERNEL 69feef89cfSVictor Latushkin int aok; 70feef89cfSVictor Latushkin #endif 71feef89cfSVictor Latushkin 722e4c9986SGeorge Wilson enum spa_flags { 732e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 742e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 752e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 762e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 772e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 782e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 792e4c9986SGeorge Wilson }; 802e4c9986SGeorge Wilson 8191e2a09fSSteve Gonczi /* 8291e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 8391e2a09fSSteve Gonczi */ 842e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 852e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 8691e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 872e4c9986SGeorge Wilson 88fa9e4066Sahrens static int 89fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 90fa9e4066Sahrens const char *member, int len, void *buf) 91fa9e4066Sahrens { 92fa9e4066Sahrens mdb_ctf_id_t id; 93fa9e4066Sahrens ulong_t off; 94fa9e4066Sahrens char name[64]; 95fa9e4066Sahrens 96fa9e4066Sahrens if (idp == NULL) { 97fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 98fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 99fa9e4066Sahrens return (DCMD_ERR); 100fa9e4066Sahrens } 101fa9e4066Sahrens idp = &id; 102fa9e4066Sahrens } else { 103fa9e4066Sahrens type = name; 104fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 105fa9e4066Sahrens } 106fa9e4066Sahrens 107fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 108fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 109fa9e4066Sahrens return (DCMD_ERR); 110fa9e4066Sahrens } 111fa9e4066Sahrens if (off % 8 != 0) { 112fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 113fa9e4066Sahrens member, type); 114fa9e4066Sahrens return (DCMD_ERR); 115fa9e4066Sahrens } 116fa9e4066Sahrens off /= 8; 117fa9e4066Sahrens 118fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 119fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 120fa9e4066Sahrens member, type, addr + off); 121fa9e4066Sahrens return (DCMD_ERR); 122fa9e4066Sahrens } 123fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 124fa9e4066Sahrens 125fa9e4066Sahrens return (0); 126fa9e4066Sahrens } 127fa9e4066Sahrens 12828e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 12928e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 13028e4da25SMatthew Ahrens sizeof (dest), &(dest)) 131fa9e4066Sahrens 132fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 133fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 134fa9e4066Sahrens 1353f9d6ad7SLin Ling static boolean_t 1363f9d6ad7SLin Ling strisprint(const char *cp) 1373f9d6ad7SLin Ling { 1383f9d6ad7SLin Ling for (; *cp; cp++) { 1393f9d6ad7SLin Ling if (!isprint(*cp)) 1403f9d6ad7SLin Ling return (B_FALSE); 1413f9d6ad7SLin Ling } 1423f9d6ad7SLin Ling return (B_TRUE); 1433f9d6ad7SLin Ling } 1443f9d6ad7SLin Ling 14517f11284SSerapheim Dimitropoulos /* 14617f11284SSerapheim Dimitropoulos * <addr>::sm_entries <buffer length in bytes> 14717f11284SSerapheim Dimitropoulos * 14817f11284SSerapheim Dimitropoulos * Treat the buffer specified by the given address as a buffer that contains 14917f11284SSerapheim Dimitropoulos * space map entries. Iterate over the specified number of entries and print 15017f11284SSerapheim Dimitropoulos * them in both encoded and decoded form. 15117f11284SSerapheim Dimitropoulos */ 15217f11284SSerapheim Dimitropoulos /* ARGSUSED */ 153fa9e4066Sahrens static int 15417f11284SSerapheim Dimitropoulos sm_entries(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 155fa9e4066Sahrens { 15617f11284SSerapheim Dimitropoulos uint64_t bufsz = 0; 15717f11284SSerapheim Dimitropoulos boolean_t preview = B_FALSE; 158fa9e4066Sahrens 15917f11284SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 16017f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 161fa9e4066Sahrens 16217f11284SSerapheim Dimitropoulos if (argc < 1) { 16317f11284SSerapheim Dimitropoulos preview = B_TRUE; 16417f11284SSerapheim Dimitropoulos bufsz = 2; 16517f11284SSerapheim Dimitropoulos } else if (argc != 1) { 16617f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 167fa9e4066Sahrens } else { 16817f11284SSerapheim Dimitropoulos switch (argv[0].a_type) { 16917f11284SSerapheim Dimitropoulos case MDB_TYPE_STRING: 17017f11284SSerapheim Dimitropoulos bufsz = mdb_strtoull(argv[0].a_un.a_str); 17117f11284SSerapheim Dimitropoulos break; 17217f11284SSerapheim Dimitropoulos case MDB_TYPE_IMMEDIATE: 17317f11284SSerapheim Dimitropoulos bufsz = argv[0].a_un.a_val; 17417f11284SSerapheim Dimitropoulos break; 17517f11284SSerapheim Dimitropoulos default: 17617f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 177fa9e4066Sahrens } 17817f11284SSerapheim Dimitropoulos } 17917f11284SSerapheim Dimitropoulos 18017f11284SSerapheim Dimitropoulos char *actions[] = { "ALLOC", "FREE", "INVALID" }; 18117f11284SSerapheim Dimitropoulos for (uintptr_t bufend = addr + bufsz; addr < bufend; 18217f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t)) { 18317f11284SSerapheim Dimitropoulos uint64_t nwords; 18417f11284SSerapheim Dimitropoulos uint64_t start_addr = addr; 18517f11284SSerapheim Dimitropoulos 18617f11284SSerapheim Dimitropoulos uint64_t word = 0; 18717f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 18817f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", addr); 18917f11284SSerapheim Dimitropoulos return (DCMD_ERR); 19017f11284SSerapheim Dimitropoulos } 19117f11284SSerapheim Dimitropoulos 19217f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) == SM_DEBUG_PREFIX) { 19317f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llu] %s: txg %llu, " 19417f11284SSerapheim Dimitropoulos "pass %llu\n", 19517f11284SSerapheim Dimitropoulos (u_longlong_t)(addr), 19617f11284SSerapheim Dimitropoulos actions[SM_DEBUG_ACTION_DECODE(word)], 19717f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_TXG_DECODE(word), 19817f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(word)); 19917f11284SSerapheim Dimitropoulos continue; 20017f11284SSerapheim Dimitropoulos } 20117f11284SSerapheim Dimitropoulos 20217f11284SSerapheim Dimitropoulos char entry_type; 20317f11284SSerapheim Dimitropoulos uint64_t raw_offset, raw_run, vdev_id = SM_NO_VDEVID; 20417f11284SSerapheim Dimitropoulos 20517f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) != SM2_PREFIX) { 20617f11284SSerapheim Dimitropoulos entry_type = (SM_TYPE_DECODE(word) == SM_ALLOC) ? 20717f11284SSerapheim Dimitropoulos 'A' : 'F'; 20817f11284SSerapheim Dimitropoulos raw_offset = SM_OFFSET_DECODE(word); 20917f11284SSerapheim Dimitropoulos raw_run = SM_RUN_DECODE(word); 21017f11284SSerapheim Dimitropoulos nwords = 1; 21117f11284SSerapheim Dimitropoulos } else { 21217f11284SSerapheim Dimitropoulos ASSERT3U(SM_PREFIX_DECODE(word), ==, SM2_PREFIX); 21317f11284SSerapheim Dimitropoulos 21417f11284SSerapheim Dimitropoulos raw_run = SM2_RUN_DECODE(word); 21517f11284SSerapheim Dimitropoulos vdev_id = SM2_VDEV_DECODE(word); 21617f11284SSerapheim Dimitropoulos 21717f11284SSerapheim Dimitropoulos /* it is a two-word entry so we read another word */ 21817f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t); 21917f11284SSerapheim Dimitropoulos if (addr >= bufend) { 22017f11284SSerapheim Dimitropoulos mdb_warn("buffer ends in the middle of a two " 22117f11284SSerapheim Dimitropoulos "word entry\n", addr); 22217f11284SSerapheim Dimitropoulos return (DCMD_ERR); 22317f11284SSerapheim Dimitropoulos } 22417f11284SSerapheim Dimitropoulos 22517f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 22617f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", 22717f11284SSerapheim Dimitropoulos addr); 22817f11284SSerapheim Dimitropoulos return (DCMD_ERR); 22917f11284SSerapheim Dimitropoulos } 23017f11284SSerapheim Dimitropoulos 23117f11284SSerapheim Dimitropoulos entry_type = (SM2_TYPE_DECODE(word) == SM_ALLOC) ? 23217f11284SSerapheim Dimitropoulos 'A' : 'F'; 23317f11284SSerapheim Dimitropoulos raw_offset = SM2_OFFSET_DECODE(word); 23417f11284SSerapheim Dimitropoulos nwords = 2; 23517f11284SSerapheim Dimitropoulos } 23617f11284SSerapheim Dimitropoulos 23717f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llx] %c range:" 23817f11284SSerapheim Dimitropoulos " %010llx-%010llx size: %06llx vdev: %06llu words: %llu\n", 23917f11284SSerapheim Dimitropoulos (u_longlong_t)start_addr, 24017f11284SSerapheim Dimitropoulos entry_type, (u_longlong_t)raw_offset, 24117f11284SSerapheim Dimitropoulos (u_longlong_t)(raw_offset + raw_run), 24217f11284SSerapheim Dimitropoulos (u_longlong_t)raw_run, 24317f11284SSerapheim Dimitropoulos (u_longlong_t)vdev_id, (u_longlong_t)nwords); 24417f11284SSerapheim Dimitropoulos 24517f11284SSerapheim Dimitropoulos if (preview) 24617f11284SSerapheim Dimitropoulos break; 24717f11284SSerapheim Dimitropoulos } 24817f11284SSerapheim Dimitropoulos return (DCMD_OK); 249fa9e4066Sahrens } 250fa9e4066Sahrens 251fa9e4066Sahrens static int 25228e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 253fa9e4066Sahrens { 254fa9e4066Sahrens static int gotid; 255fa9e4066Sahrens static mdb_ctf_id_t dd_id; 256fa9e4066Sahrens uintptr_t dd_parent; 2579adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 258fa9e4066Sahrens 259fa9e4066Sahrens if (!gotid) { 26028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 261fa9e4066Sahrens &dd_id) == -1) { 262fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 263fa9e4066Sahrens return (DCMD_ERR); 264fa9e4066Sahrens } 265fa9e4066Sahrens gotid = TRUE; 266fa9e4066Sahrens } 267fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 268fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 269fa9e4066Sahrens return (DCMD_ERR); 270fa9e4066Sahrens } 271fa9e4066Sahrens 272fa9e4066Sahrens if (dd_parent) { 27328e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 274fa9e4066Sahrens return (DCMD_ERR); 275fa9e4066Sahrens strcat(buf, "/"); 276fa9e4066Sahrens } 277fa9e4066Sahrens 278fa9e4066Sahrens if (dd_myname[0]) 279fa9e4066Sahrens strcat(buf, dd_myname); 280fa9e4066Sahrens else 281fa9e4066Sahrens strcat(buf, "???"); 282fa9e4066Sahrens 283fa9e4066Sahrens return (0); 284fa9e4066Sahrens } 285fa9e4066Sahrens 286fa9e4066Sahrens static int 287fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 288fa9e4066Sahrens { 289fa9e4066Sahrens static int gotid; 2904223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 291fa9e4066Sahrens uintptr_t os_dsl_dataset; 2929adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 293fa9e4066Sahrens uintptr_t ds_dir; 294fa9e4066Sahrens 295fa9e4066Sahrens buf[0] = '\0'; 296fa9e4066Sahrens 297fa9e4066Sahrens if (!gotid) { 29828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2994223fc7cSMark Shellenbaum &os_id) == -1) { 3004223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 301fa9e4066Sahrens return (DCMD_ERR); 302fa9e4066Sahrens } 30328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 304fa9e4066Sahrens &ds_id) == -1) { 305fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 306fa9e4066Sahrens return (DCMD_ERR); 307fa9e4066Sahrens } 308fa9e4066Sahrens 309fa9e4066Sahrens gotid = TRUE; 310fa9e4066Sahrens } 311fa9e4066Sahrens 3124223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 313fa9e4066Sahrens return (DCMD_ERR); 314fa9e4066Sahrens 315fa9e4066Sahrens if (os_dsl_dataset == 0) { 316fa9e4066Sahrens strcat(buf, "mos"); 317fa9e4066Sahrens return (0); 318fa9e4066Sahrens } 319fa9e4066Sahrens 320fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 321fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 322fa9e4066Sahrens return (DCMD_ERR); 323fa9e4066Sahrens } 324fa9e4066Sahrens 32528e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 326fa9e4066Sahrens return (DCMD_ERR); 327fa9e4066Sahrens 328fa9e4066Sahrens if (ds_snapname[0]) { 329fa9e4066Sahrens strcat(buf, "@"); 330fa9e4066Sahrens strcat(buf, ds_snapname); 331fa9e4066Sahrens } 332fa9e4066Sahrens return (0); 333fa9e4066Sahrens } 334fa9e4066Sahrens 3358363e80aSGeorge Wilson static int 3368363e80aSGeorge Wilson enum_lookup(char *type, int val, const char *prefix, size_t size, char *out) 337fa9e4066Sahrens { 338fa9e4066Sahrens const char *cp; 339fa9e4066Sahrens size_t len = strlen(prefix); 3408363e80aSGeorge Wilson mdb_ctf_id_t enum_type; 341fa9e4066Sahrens 3428363e80aSGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) { 3438363e80aSGeorge Wilson mdb_warn("Could not find enum for %s", type); 3448363e80aSGeorge Wilson return (-1); 3458363e80aSGeorge Wilson } 3468363e80aSGeorge Wilson 3478363e80aSGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, val)) != NULL) { 348fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 349fa9e4066Sahrens cp += len; 350fa9e4066Sahrens (void) strncpy(out, cp, size); 351fa9e4066Sahrens } else { 352fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 353fa9e4066Sahrens } 3548363e80aSGeorge Wilson return (0); 355fa9e4066Sahrens } 356fa9e4066Sahrens 357fa9e4066Sahrens /* ARGSUSED */ 358fa9e4066Sahrens static int 359614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 360614409b5Sahrens { 361614409b5Sahrens /* 362614409b5Sahrens * This table can be approximately generated by running: 363614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 364614409b5Sahrens */ 365614409b5Sahrens static const char *params[] = { 36669962b56SMatthew Ahrens "arc_lotsfree_percent", 367bfcdb3d6Sloli10K "arc_pages_pp_reserve", 368bfcdb3d6Sloli10K "arc_reduce_dnlc_percent", 369bfcdb3d6Sloli10K "arc_swapfs_reserve", 370bfcdb3d6Sloli10K "arc_zio_arena_free_shift", 371bfcdb3d6Sloli10K "dbuf_cache_hiwater_pct", 372bfcdb3d6Sloli10K "dbuf_cache_lowater_pct", 373bfcdb3d6Sloli10K "dbuf_cache_max_bytes", 374bfcdb3d6Sloli10K "dbuf_cache_max_shift", 375bfcdb3d6Sloli10K "ddt_zap_indirect_blockshift", 376bfcdb3d6Sloli10K "ddt_zap_leaf_blockshift", 377bfcdb3d6Sloli10K "ditto_same_vdev_distance_shift", 378bfcdb3d6Sloli10K "dmu_find_threads", 379bfcdb3d6Sloli10K "dmu_rescan_dnode_threshold", 380bfcdb3d6Sloli10K "dsl_scan_delay_completion", 381614409b5Sahrens "fzap_default_block_shift", 382bfcdb3d6Sloli10K "l2arc_feed_again", 383bfcdb3d6Sloli10K "l2arc_feed_min_ms", 384bfcdb3d6Sloli10K "l2arc_feed_secs", 385bfcdb3d6Sloli10K "l2arc_headroom", 386bfcdb3d6Sloli10K "l2arc_headroom_boost", 387bfcdb3d6Sloli10K "l2arc_noprefetch", 388bfcdb3d6Sloli10K "l2arc_norw", 389bfcdb3d6Sloli10K "l2arc_write_boost", 390bfcdb3d6Sloli10K "l2arc_write_max", 391bfcdb3d6Sloli10K "metaslab_aliquot", 392bfcdb3d6Sloli10K "metaslab_bias_enabled", 393bfcdb3d6Sloli10K "metaslab_debug_load", 394bfcdb3d6Sloli10K "metaslab_debug_unload", 395d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 396d6e555bdSGeorge Wilson "metaslab_df_free_pct", 397bfcdb3d6Sloli10K "metaslab_fragmentation_factor_enabled", 398bfcdb3d6Sloli10K "metaslab_force_ganging", 399bfcdb3d6Sloli10K "metaslab_lba_weighting_enabled", 400bfcdb3d6Sloli10K "metaslab_load_pct", 401bfcdb3d6Sloli10K "metaslab_min_alloc_size", 402bfcdb3d6Sloli10K "metaslab_ndf_clump_shift", 403bfcdb3d6Sloli10K "metaslab_preload_enabled", 404bfcdb3d6Sloli10K "metaslab_preload_limit", 405bfcdb3d6Sloli10K "metaslab_trace_enabled", 406bfcdb3d6Sloli10K "metaslab_trace_max_entries", 407bfcdb3d6Sloli10K "metaslab_unload_delay", 408bfcdb3d6Sloli10K "metaslabs_per_vdev", 409bfcdb3d6Sloli10K "reference_history", 410bfcdb3d6Sloli10K "reference_tracking_enable", 411bfcdb3d6Sloli10K "send_holes_without_birth_time", 412bfcdb3d6Sloli10K "spa_asize_inflation", 413bfcdb3d6Sloli10K "spa_load_verify_data", 414bfcdb3d6Sloli10K "spa_load_verify_maxinflight", 415bfcdb3d6Sloli10K "spa_load_verify_metadata", 416bfcdb3d6Sloli10K "spa_max_replication_override", 417bfcdb3d6Sloli10K "spa_min_slop", 418bfcdb3d6Sloli10K "spa_mode_global", 419bfcdb3d6Sloli10K "spa_slop_shift", 420bfcdb3d6Sloli10K "space_map_blksz", 421bfcdb3d6Sloli10K "vdev_mirror_shift", 422bfcdb3d6Sloli10K "zfetch_max_distance", 423bfcdb3d6Sloli10K "zfs_abd_chunk_size", 424bfcdb3d6Sloli10K "zfs_abd_scatter_enabled", 425bfcdb3d6Sloli10K "zfs_arc_average_blocksize", 426bfcdb3d6Sloli10K "zfs_arc_evict_batch_limit", 427bfcdb3d6Sloli10K "zfs_arc_grow_retry", 428bfcdb3d6Sloli10K "zfs_arc_max", 429bfcdb3d6Sloli10K "zfs_arc_meta_limit", 430bfcdb3d6Sloli10K "zfs_arc_meta_min", 431bfcdb3d6Sloli10K "zfs_arc_min", 432bfcdb3d6Sloli10K "zfs_arc_p_min_shift", 433bfcdb3d6Sloli10K "zfs_arc_shrink_shift", 434bfcdb3d6Sloli10K "zfs_async_block_max_blocks", 435bfcdb3d6Sloli10K "zfs_ccw_retry_interval", 436bfcdb3d6Sloli10K "zfs_commit_timeout_pct", 437bfcdb3d6Sloli10K "zfs_compressed_arc_enabled", 438bfcdb3d6Sloli10K "zfs_condense_indirect_commit_entry_delay_ticks", 439bfcdb3d6Sloli10K "zfs_condense_indirect_vdevs_enable", 440bfcdb3d6Sloli10K "zfs_condense_max_obsolete_bytes", 441bfcdb3d6Sloli10K "zfs_condense_min_mapping_bytes", 442bfcdb3d6Sloli10K "zfs_condense_pct", 443bfcdb3d6Sloli10K "zfs_dbgmsg_maxsize", 444bfcdb3d6Sloli10K "zfs_deadman_checktime_ms", 445bfcdb3d6Sloli10K "zfs_deadman_enabled", 446bfcdb3d6Sloli10K "zfs_deadman_synctime_ms", 447bfcdb3d6Sloli10K "zfs_dedup_prefetch", 448bfcdb3d6Sloli10K "zfs_default_bs", 449bfcdb3d6Sloli10K "zfs_default_ibs", 450bfcdb3d6Sloli10K "zfs_delay_max_ns", 451bfcdb3d6Sloli10K "zfs_delay_min_dirty_percent", 452bfcdb3d6Sloli10K "zfs_delay_resolution_ns", 453bfcdb3d6Sloli10K "zfs_delay_scale", 454bfcdb3d6Sloli10K "zfs_dirty_data_max", 455bfcdb3d6Sloli10K "zfs_dirty_data_max_max", 456bfcdb3d6Sloli10K "zfs_dirty_data_max_percent", 457bfcdb3d6Sloli10K "zfs_dirty_data_sync", 458bfcdb3d6Sloli10K "zfs_flags", 459bfcdb3d6Sloli10K "zfs_free_bpobj_enabled", 460bfcdb3d6Sloli10K "zfs_free_leak_on_eio", 461bfcdb3d6Sloli10K "zfs_free_min_time_ms", 462bfcdb3d6Sloli10K "zfs_fsync_sync_cnt", 463bfcdb3d6Sloli10K "zfs_immediate_write_sz", 464bfcdb3d6Sloli10K "zfs_indirect_condense_obsolete_pct", 465bfcdb3d6Sloli10K "zfs_lua_check_instrlimit_interval", 466bfcdb3d6Sloli10K "zfs_lua_max_instrlimit", 467bfcdb3d6Sloli10K "zfs_lua_max_memlimit", 468bfcdb3d6Sloli10K "zfs_max_recordsize", 469bfcdb3d6Sloli10K "zfs_mdcomp_disable", 470bfcdb3d6Sloli10K "zfs_metaslab_condense_block_threshold", 471bfcdb3d6Sloli10K "zfs_metaslab_fragmentation_threshold", 472bfcdb3d6Sloli10K "zfs_metaslab_segment_weight_enabled", 473bfcdb3d6Sloli10K "zfs_metaslab_switch_threshold", 474bfcdb3d6Sloli10K "zfs_mg_fragmentation_threshold", 475bfcdb3d6Sloli10K "zfs_mg_noalloc_threshold", 476bfcdb3d6Sloli10K "zfs_multilist_num_sublists", 477bfcdb3d6Sloli10K "zfs_no_scrub_io", 478bfcdb3d6Sloli10K "zfs_no_scrub_prefetch", 479bfcdb3d6Sloli10K "zfs_nocacheflush", 480bfcdb3d6Sloli10K "zfs_nopwrite_enabled", 481bfcdb3d6Sloli10K "zfs_object_remap_one_indirect_delay_ticks", 482bfcdb3d6Sloli10K "zfs_obsolete_min_time_ms", 483bfcdb3d6Sloli10K "zfs_pd_bytes_max", 484bfcdb3d6Sloli10K "zfs_per_txg_dirty_frees_percent", 485bfcdb3d6Sloli10K "zfs_prefetch_disable", 486bfcdb3d6Sloli10K "zfs_read_chunk_size", 487bfcdb3d6Sloli10K "zfs_recover", 488bfcdb3d6Sloli10K "zfs_recv_queue_length", 489bfcdb3d6Sloli10K "zfs_redundant_metadata_most_ditto_level", 490bfcdb3d6Sloli10K "zfs_remap_blkptr_enable", 491bfcdb3d6Sloli10K "zfs_remove_max_copy_bytes", 492bfcdb3d6Sloli10K "zfs_remove_max_segment", 493bfcdb3d6Sloli10K "zfs_resilver_delay", 494bfcdb3d6Sloli10K "zfs_resilver_min_time_ms", 495bfcdb3d6Sloli10K "zfs_scan_idle", 496bfcdb3d6Sloli10K "zfs_scan_min_time_ms", 497bfcdb3d6Sloli10K "zfs_scrub_delay", 498bfcdb3d6Sloli10K "zfs_scrub_limit", 499bfcdb3d6Sloli10K "zfs_send_corrupt_data", 500bfcdb3d6Sloli10K "zfs_send_queue_length", 501bfcdb3d6Sloli10K "zfs_send_set_freerecords_bit", 502bfcdb3d6Sloli10K "zfs_sync_pass_deferred_free", 503bfcdb3d6Sloli10K "zfs_sync_pass_dont_compress", 504bfcdb3d6Sloli10K "zfs_sync_pass_rewrite", 505bfcdb3d6Sloli10K "zfs_sync_taskq_batch_pct", 506bfcdb3d6Sloli10K "zfs_top_maxinflight", 507bfcdb3d6Sloli10K "zfs_txg_timeout", 508bfcdb3d6Sloli10K "zfs_vdev_aggregation_limit", 509bfcdb3d6Sloli10K "zfs_vdev_async_read_max_active", 510bfcdb3d6Sloli10K "zfs_vdev_async_read_min_active", 511bfcdb3d6Sloli10K "zfs_vdev_async_write_active_max_dirty_percent", 512bfcdb3d6Sloli10K "zfs_vdev_async_write_active_min_dirty_percent", 513bfcdb3d6Sloli10K "zfs_vdev_async_write_max_active", 514bfcdb3d6Sloli10K "zfs_vdev_async_write_min_active", 515bfcdb3d6Sloli10K "zfs_vdev_cache_bshift", 516bfcdb3d6Sloli10K "zfs_vdev_cache_max", 517bfcdb3d6Sloli10K "zfs_vdev_cache_size", 518bfcdb3d6Sloli10K "zfs_vdev_max_active", 519bfcdb3d6Sloli10K "zfs_vdev_queue_depth_pct", 520bfcdb3d6Sloli10K "zfs_vdev_read_gap_limit", 521bfcdb3d6Sloli10K "zfs_vdev_removal_max_active", 522bfcdb3d6Sloli10K "zfs_vdev_removal_min_active", 523bfcdb3d6Sloli10K "zfs_vdev_scrub_max_active", 524bfcdb3d6Sloli10K "zfs_vdev_scrub_min_active", 525bfcdb3d6Sloli10K "zfs_vdev_sync_read_max_active", 526bfcdb3d6Sloli10K "zfs_vdev_sync_read_min_active", 527bfcdb3d6Sloli10K "zfs_vdev_sync_write_max_active", 528bfcdb3d6Sloli10K "zfs_vdev_sync_write_min_active", 529bfcdb3d6Sloli10K "zfs_vdev_write_gap_limit", 530bfcdb3d6Sloli10K "zfs_write_implies_delete_child", 531bfcdb3d6Sloli10K "zfs_zil_clean_taskq_maxalloc", 532bfcdb3d6Sloli10K "zfs_zil_clean_taskq_minalloc", 533bfcdb3d6Sloli10K "zfs_zil_clean_taskq_nthr_pct", 534bfcdb3d6Sloli10K "zil_replay_disable", 535bfcdb3d6Sloli10K "zil_slog_bulk", 536bfcdb3d6Sloli10K "zio_buf_debug_limit", 537bfcdb3d6Sloli10K "zio_dva_throttle_enabled", 538614409b5Sahrens "zio_injection_enabled", 539614409b5Sahrens "zvol_immediate_write_sz", 540bfcdb3d6Sloli10K "zvol_maxphys", 541bfcdb3d6Sloli10K "zvol_unmap_enabled", 542bfcdb3d6Sloli10K "zvol_unmap_sync_enabled", 5435ac95da7SSerapheim Dimitropoulos "zfs_max_dataset_nesting", 544614409b5Sahrens }; 545614409b5Sahrens 546b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 547614409b5Sahrens int sz; 548614409b5Sahrens uint64_t val64; 549614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 550614409b5Sahrens 551614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 552614409b5Sahrens if (sz == 4) { 553614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 554614409b5Sahrens } else if (sz == 8) { 555614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 556614409b5Sahrens } else { 557614409b5Sahrens mdb_warn("variable %s not found", params[i]); 558614409b5Sahrens } 559614409b5Sahrens } 560614409b5Sahrens 561614409b5Sahrens return (DCMD_OK); 562614409b5Sahrens } 563614409b5Sahrens 564614409b5Sahrens /* ARGSUSED */ 565614409b5Sahrens static int 5665cabbc6bSPrashanth Sreenivasa dva(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5675cabbc6bSPrashanth Sreenivasa { 5685cabbc6bSPrashanth Sreenivasa dva_t dva; 5695cabbc6bSPrashanth Sreenivasa if (mdb_vread(&dva, sizeof (dva_t), addr) == -1) { 5705cabbc6bSPrashanth Sreenivasa mdb_warn("failed to read dva_t"); 5715cabbc6bSPrashanth Sreenivasa return (DCMD_ERR); 5725cabbc6bSPrashanth Sreenivasa } 5735cabbc6bSPrashanth Sreenivasa mdb_printf("<%llu:%llx:%llx>\n", 5745cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_VDEV(&dva), 5755cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_OFFSET(&dva), 5765cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_ASIZE(&dva)); 5775cabbc6bSPrashanth Sreenivasa 5785cabbc6bSPrashanth Sreenivasa return (DCMD_OK); 5795cabbc6bSPrashanth Sreenivasa } 5805cabbc6bSPrashanth Sreenivasa 581eb633035STom Caputi typedef struct mdb_dmu_object_type_info { 582eb633035STom Caputi boolean_t ot_encrypt; 583eb633035STom Caputi } mdb_dmu_object_type_info_t; 584eb633035STom Caputi 585eb633035STom Caputi static boolean_t 586eb633035STom Caputi mdb_dmu_ot_is_encrypted_impl(dmu_object_type_t ot) 587eb633035STom Caputi { 588eb633035STom Caputi mdb_dmu_object_type_info_t mdoti; 589eb633035STom Caputi GElf_Sym sym; 590eb633035STom Caputi size_t sz = mdb_ctf_sizeof_by_name("dmu_object_type_info_t"); 591eb633035STom Caputi 592eb633035STom Caputi if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "dmu_ot", &sym)) { 593eb633035STom Caputi mdb_warn("failed to find " ZFS_OBJ_NAME "`dmu_ot"); 594eb633035STom Caputi return (B_FALSE); 595eb633035STom Caputi } 596eb633035STom Caputi 597eb633035STom Caputi if (mdb_ctf_vread(&mdoti, "dmu_object_type_info_t", 598eb633035STom Caputi "mdb_dmu_object_type_info_t", sym.st_value + sz * ot, 0) != 0) { 599eb633035STom Caputi return (B_FALSE); 600eb633035STom Caputi } 601eb633035STom Caputi 602eb633035STom Caputi return (mdoti.ot_encrypt); 603eb633035STom Caputi } 604eb633035STom Caputi 6055cabbc6bSPrashanth Sreenivasa /* ARGSUSED */ 6065cabbc6bSPrashanth Sreenivasa static int 607fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 608fa9e4066Sahrens { 609b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 610b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 611b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 612fa9e4066Sahrens 613b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 614fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 615fa9e4066Sahrens return (DCMD_ERR); 616fa9e4066Sahrens } 617fa9e4066Sahrens 6188363e80aSGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_", 6198363e80aSGeorge Wilson sizeof (type), type) == -1 || 6208363e80aSGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp), 6218363e80aSGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 || 6228363e80aSGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp), 6238363e80aSGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) { 624b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 625fa9e4066Sahrens return (DCMD_ERR); 626fa9e4066Sahrens } 627fa9e4066Sahrens 62843466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 62943466aaeSMax Grossman checksum, compress); 630fa9e4066Sahrens 631b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 632fa9e4066Sahrens 633fa9e4066Sahrens return (DCMD_OK); 634fa9e4066Sahrens } 635fa9e4066Sahrens 63628e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 63728e4da25SMatthew Ahrens struct { 63828e4da25SMatthew Ahrens uint64_t db_object; 6392515f5d4SJustin T. Gibbs uintptr_t db_data; 64028e4da25SMatthew Ahrens } db; 641d5ee8a13SMatthew Ahrens uintptr_t db_objset; 64228e4da25SMatthew Ahrens uint64_t db_level; 64328e4da25SMatthew Ahrens uint64_t db_blkid; 64428e4da25SMatthew Ahrens struct { 64528e4da25SMatthew Ahrens uint64_t rc_count; 64628e4da25SMatthew Ahrens } db_holds; 64728e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 64828e4da25SMatthew Ahrens 649fa9e4066Sahrens /* ARGSUSED */ 650fa9e4066Sahrens static int 651fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 652fa9e4066Sahrens { 65328e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 654fa9e4066Sahrens char objectname[32]; 655fa9e4066Sahrens char blkidname[32]; 6569adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 657ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 658fa9e4066Sahrens 65928e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 660ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 661ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 662fa9e4066Sahrens 66328e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 66428e4da25SMatthew Ahrens addr, 0) == -1) 665fa9e4066Sahrens return (DCMD_ERR); 666fa9e4066Sahrens 66728e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 668fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 669fa9e4066Sahrens else 670fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 67128e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 672fa9e4066Sahrens 67328e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 674fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 675fa9e4066Sahrens else 676fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 67728e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 678fa9e4066Sahrens 679d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 68028e4da25SMatthew Ahrens return (DCMD_ERR); 681fa9e4066Sahrens } 682fa9e4066Sahrens 683ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 68428e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 68528e4da25SMatthew Ahrens db.db_holds.rc_count, path); 686fa9e4066Sahrens 687fa9e4066Sahrens return (DCMD_OK); 688fa9e4066Sahrens } 689fa9e4066Sahrens 690fa9e4066Sahrens /* ARGSUSED */ 691fa9e4066Sahrens static int 692fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 693fa9e4066Sahrens { 694fa9e4066Sahrens #define HISTOSZ 32 695fa9e4066Sahrens uintptr_t dbp; 696fa9e4066Sahrens dmu_buf_impl_t db; 697fa9e4066Sahrens dbuf_hash_table_t ht; 698fa9e4066Sahrens uint64_t bucket, ndbufs; 699fa9e4066Sahrens uint64_t histo[HISTOSZ]; 700fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 701fa9e4066Sahrens int i, maxidx; 702fa9e4066Sahrens 703fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 704fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 705fa9e4066Sahrens return (DCMD_ERR); 706fa9e4066Sahrens } 707fa9e4066Sahrens 708fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 709fa9e4066Sahrens histo[i] = 0; 710fa9e4066Sahrens histo2[i] = 0; 711fa9e4066Sahrens } 712fa9e4066Sahrens 713fa9e4066Sahrens ndbufs = 0; 714fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 715fa9e4066Sahrens int len; 716fa9e4066Sahrens 717fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 718fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 719fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 720fa9e4066Sahrens bucket, ht.hash_table+bucket); 721fa9e4066Sahrens return (DCMD_ERR); 722fa9e4066Sahrens } 723fa9e4066Sahrens 724fa9e4066Sahrens len = 0; 725fa9e4066Sahrens while (dbp != 0) { 726fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 727fa9e4066Sahrens dbp) == -1) { 728fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 729fa9e4066Sahrens return (DCMD_ERR); 730fa9e4066Sahrens } 731fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 732fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 733fa9e4066Sahrens histo2[i]++; 734fa9e4066Sahrens len++; 735fa9e4066Sahrens ndbufs++; 736fa9e4066Sahrens } 737fa9e4066Sahrens 738fa9e4066Sahrens if (len >= HISTOSZ) 739fa9e4066Sahrens len = HISTOSZ-1; 740fa9e4066Sahrens histo[len]++; 741fa9e4066Sahrens } 742fa9e4066Sahrens 743fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 744fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 745fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 746fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 747fa9e4066Sahrens 748fa9e4066Sahrens mdb_printf("\n"); 749fa9e4066Sahrens maxidx = 0; 750fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 751fa9e4066Sahrens if (histo[i] > 0) 752fa9e4066Sahrens maxidx = i; 753fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 754fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 755fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 756fa9e4066Sahrens 757fa9e4066Sahrens mdb_printf("\n"); 758fa9e4066Sahrens maxidx = 0; 759fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 760fa9e4066Sahrens if (histo2[i] > 0) 761fa9e4066Sahrens maxidx = i; 762fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 763fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 764fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 765fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 766fa9e4066Sahrens 767fa9e4066Sahrens 768fa9e4066Sahrens return (DCMD_OK); 769fa9e4066Sahrens } 770fa9e4066Sahrens 7713f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 7723f1f8012SMatthew Ahrens /* 7733f1f8012SMatthew Ahrens * ::zap_leaf [-v] 7743f1f8012SMatthew Ahrens * 7753f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 7763f1f8012SMatthew Ahrens */ 7773f1f8012SMatthew Ahrens /* ARGSUSED */ 7783f1f8012SMatthew Ahrens static int 7793f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7803f1f8012SMatthew Ahrens { 7813f1f8012SMatthew Ahrens char buf[16*1024]; 7823f1f8012SMatthew Ahrens int verbose = B_FALSE; 7833f1f8012SMatthew Ahrens int four = B_FALSE; 784c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 7853f1f8012SMatthew Ahrens zap_leaf_t l; 7863f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 7873f1f8012SMatthew Ahrens int i; 7883f1f8012SMatthew Ahrens 7893f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 7903f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 7913f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 7923f1f8012SMatthew Ahrens NULL) != argc) 7933f1f8012SMatthew Ahrens return (DCMD_USAGE); 7943f1f8012SMatthew Ahrens 795c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 796c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 7973f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 7983f1f8012SMatthew Ahrens if (four) 7993f1f8012SMatthew Ahrens l.l_bs = 12; 8003f1f8012SMatthew Ahrens 8013f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 8023f1f8012SMatthew Ahrens return (DCMD_USAGE); 8033f1f8012SMatthew Ahrens } 8043f1f8012SMatthew Ahrens 8053f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 8063f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 8073f1f8012SMatthew Ahrens return (DCMD_ERR); 8083f1f8012SMatthew Ahrens } 8093f1f8012SMatthew Ahrens 8103f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 8113f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 8123f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 8133f1f8012SMatthew Ahrens return (DCMD_ERR); 8143f1f8012SMatthew Ahrens } 8153f1f8012SMatthew Ahrens 8163f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 8173f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 8183f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 8193f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 8203f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 8213f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 8223f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 8233f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 8243f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 8253f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 8263f1f8012SMatthew Ahrens 8273f1f8012SMatthew Ahrens if (verbose) { 8283f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 8293f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 8303f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 8313f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 8323f1f8012SMatthew Ahrens } 8333f1f8012SMatthew Ahrens } 8343f1f8012SMatthew Ahrens 8353f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 8363f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 8373f1f8012SMatthew Ahrens /* LINTED: alignment */ 8383f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 8393f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 8403f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 8413f1f8012SMatthew Ahrens if (verbose) { 8423f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 8433f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 8443f1f8012SMatthew Ahrens } 8453f1f8012SMatthew Ahrens break; 8463f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 8473f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 8483f1f8012SMatthew Ahrens if (verbose) { 8493f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 8503f1f8012SMatthew Ahrens zlc->l_entry.le_next); 8513f1f8012SMatthew Ahrens } 8523f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 8533f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 8543f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 8553f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 8563f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 8573f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 8583f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 8593f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 8603f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 8613f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 8623f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 8633f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 8643f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 8653f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 8663f1f8012SMatthew Ahrens break; 8673f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 8683f9d6ad7SLin Ling mdb_printf(" %u: array", i); 8693f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 8703f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 8713f9d6ad7SLin Ling mdb_printf("\n"); 8723f1f8012SMatthew Ahrens if (verbose) { 8733f1f8012SMatthew Ahrens int j; 8743f1f8012SMatthew Ahrens mdb_printf(" "); 8753f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 8763f1f8012SMatthew Ahrens mdb_printf("%02x ", 8773f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 8783f1f8012SMatthew Ahrens } 8793f1f8012SMatthew Ahrens mdb_printf("\n"); 8803f1f8012SMatthew Ahrens } 8813f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 8823f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 8833f1f8012SMatthew Ahrens zlc->l_array.la_next); 8843f1f8012SMatthew Ahrens } 8853f1f8012SMatthew Ahrens break; 8863f1f8012SMatthew Ahrens default: 8873f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 8883f1f8012SMatthew Ahrens zlc->l_entry.le_type); 8893f1f8012SMatthew Ahrens } 8903f1f8012SMatthew Ahrens } 8913f1f8012SMatthew Ahrens 8923f1f8012SMatthew Ahrens return (DCMD_OK); 8933f1f8012SMatthew Ahrens } 8943f1f8012SMatthew Ahrens 895fa9e4066Sahrens typedef struct dbufs_data { 896fa9e4066Sahrens mdb_ctf_id_t id; 897fa9e4066Sahrens uint64_t objset; 898fa9e4066Sahrens uint64_t object; 899fa9e4066Sahrens uint64_t level; 900fa9e4066Sahrens uint64_t blkid; 901fa9e4066Sahrens char *osname; 902fa9e4066Sahrens } dbufs_data_t; 903fa9e4066Sahrens 904fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 905fa9e4066Sahrens 906fa9e4066Sahrens /* ARGSUSED */ 907fa9e4066Sahrens static int 908fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 909fa9e4066Sahrens { 910fa9e4066Sahrens dbufs_data_t *data = arg; 911fa9e4066Sahrens uintptr_t objset; 912fa9e4066Sahrens dmu_buf_t db; 913fa9e4066Sahrens uint8_t level; 914fa9e4066Sahrens uint64_t blkid; 9159adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 916fa9e4066Sahrens 917fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 918fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 919fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 920fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 921fa9e4066Sahrens return (WALK_ERR); 922fa9e4066Sahrens } 923fa9e4066Sahrens 924fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 925fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 926fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 927fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 928fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 929fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 930fa9e4066Sahrens mdb_printf("%#lr\n", addr); 931fa9e4066Sahrens } 932fa9e4066Sahrens return (WALK_NEXT); 933fa9e4066Sahrens } 934fa9e4066Sahrens 935fa9e4066Sahrens /* ARGSUSED */ 936fa9e4066Sahrens static int 937fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 938fa9e4066Sahrens { 939fa9e4066Sahrens dbufs_data_t data; 940fa9e4066Sahrens char *object = NULL; 941fa9e4066Sahrens char *blkid = NULL; 942fa9e4066Sahrens 943fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 944fa9e4066Sahrens data.osname = NULL; 945fa9e4066Sahrens 946fa9e4066Sahrens if (mdb_getopts(argc, argv, 947fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 948fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 949fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 950fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 9513b442230SJordan Paige Hendricks 'b', MDB_OPT_STR, &blkid, 9523b442230SJordan Paige Hendricks NULL) != argc) { 953fa9e4066Sahrens return (DCMD_USAGE); 954fa9e4066Sahrens } 955fa9e4066Sahrens 956fa9e4066Sahrens if (object) { 957fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 958fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 959fa9e4066Sahrens } else { 960fa9e4066Sahrens data.object = mdb_strtoull(object); 961fa9e4066Sahrens } 962fa9e4066Sahrens } 963fa9e4066Sahrens 964fa9e4066Sahrens if (blkid) { 965fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 9660a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 967fa9e4066Sahrens } else { 968fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 969fa9e4066Sahrens } 970fa9e4066Sahrens } 971fa9e4066Sahrens 97228e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 973fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 974fa9e4066Sahrens return (DCMD_ERR); 975fa9e4066Sahrens } 976fa9e4066Sahrens 9775f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 978fa9e4066Sahrens mdb_warn("can't walk dbufs"); 979fa9e4066Sahrens return (DCMD_ERR); 980fa9e4066Sahrens } 981fa9e4066Sahrens 982fa9e4066Sahrens return (DCMD_OK); 983fa9e4066Sahrens } 984fa9e4066Sahrens 985fa9e4066Sahrens typedef struct abuf_find_data { 986fa9e4066Sahrens dva_t dva; 987fa9e4066Sahrens mdb_ctf_id_t id; 988fa9e4066Sahrens } abuf_find_data_t; 989fa9e4066Sahrens 990fa9e4066Sahrens /* ARGSUSED */ 991fa9e4066Sahrens static int 992fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 993fa9e4066Sahrens { 994fa9e4066Sahrens abuf_find_data_t *data = arg; 995fa9e4066Sahrens dva_t dva; 996fa9e4066Sahrens 997fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 998fa9e4066Sahrens return (WALK_ERR); 999fa9e4066Sahrens } 1000fa9e4066Sahrens 1001fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 1002fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 1003fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1004fa9e4066Sahrens } 1005fa9e4066Sahrens return (WALK_NEXT); 1006fa9e4066Sahrens } 1007fa9e4066Sahrens 1008fa9e4066Sahrens /* ARGSUSED */ 1009fa9e4066Sahrens static int 1010fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1011fa9e4066Sahrens { 1012fa9e4066Sahrens abuf_find_data_t data; 1013fa9e4066Sahrens GElf_Sym sym; 1014fa9e4066Sahrens int i; 1015fa9e4066Sahrens const char *syms[] = { 1016a2eea2e1Sahrens "ARC_mru", 1017a2eea2e1Sahrens "ARC_mru_ghost", 1018a2eea2e1Sahrens "ARC_mfu", 1019a2eea2e1Sahrens "ARC_mfu_ghost", 1020fa9e4066Sahrens }; 1021fa9e4066Sahrens 1022fa9e4066Sahrens if (argc != 2) 1023fa9e4066Sahrens return (DCMD_USAGE); 1024fa9e4066Sahrens 1025fa9e4066Sahrens for (i = 0; i < 2; i ++) { 1026fa9e4066Sahrens switch (argv[i].a_type) { 1027fa9e4066Sahrens case MDB_TYPE_STRING: 1028fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 1029fa9e4066Sahrens break; 1030fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 1031fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 1032fa9e4066Sahrens break; 1033fa9e4066Sahrens default: 1034fa9e4066Sahrens return (DCMD_USAGE); 1035fa9e4066Sahrens } 1036fa9e4066Sahrens } 1037fa9e4066Sahrens 103828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 1039fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 1040fa9e4066Sahrens return (DCMD_ERR); 1041fa9e4066Sahrens } 1042fa9e4066Sahrens 1043fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 104422ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 1045fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 1046fa9e4066Sahrens return (DCMD_ERR); 1047fa9e4066Sahrens } 1048fa9e4066Sahrens 1049fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 1050fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 1051fa9e4066Sahrens return (DCMD_ERR); 1052fa9e4066Sahrens } 1053fa9e4066Sahrens } 1054fa9e4066Sahrens 1055fa9e4066Sahrens return (DCMD_OK); 1056fa9e4066Sahrens } 1057fa9e4066Sahrens 105828e4da25SMatthew Ahrens 105928e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 106028e4da25SMatthew Ahrens boolean_t da_verbose; 106128e4da25SMatthew Ahrens boolean_t da_address; 106228e4da25SMatthew Ahrens } dbgmsg_arg_t; 106328e4da25SMatthew Ahrens 106444cb6abcSbmc /* ARGSUSED */ 106544cb6abcSbmc static int 10663f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 10673f9d6ad7SLin Ling { 10683f9d6ad7SLin Ling static mdb_ctf_id_t id; 10693f9d6ad7SLin Ling static boolean_t gotid; 10703f9d6ad7SLin Ling static ulong_t off; 10713f9d6ad7SLin Ling 107228e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 10733f9d6ad7SLin Ling time_t timestamp; 10743f9d6ad7SLin Ling char buf[1024]; 10753f9d6ad7SLin Ling 10763f9d6ad7SLin Ling if (!gotid) { 107728e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 107828e4da25SMatthew Ahrens -1) { 10793f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 10803f9d6ad7SLin Ling return (WALK_ERR); 10813f9d6ad7SLin Ling } 10823f9d6ad7SLin Ling gotid = TRUE; 10833f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 10843f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 10853f9d6ad7SLin Ling return (WALK_ERR); 10863f9d6ad7SLin Ling } 10873f9d6ad7SLin Ling off /= 8; 10883f9d6ad7SLin Ling } 10893f9d6ad7SLin Ling 10903f9d6ad7SLin Ling 10913f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 10923f9d6ad7SLin Ling return (WALK_ERR); 10933f9d6ad7SLin Ling } 10943f9d6ad7SLin Ling 10953f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 10963f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 10973f9d6ad7SLin Ling return (DCMD_ERR); 10983f9d6ad7SLin Ling } 10993f9d6ad7SLin Ling 110028e4da25SMatthew Ahrens if (da->da_address) 110128e4da25SMatthew Ahrens mdb_printf("%p ", addr); 110228e4da25SMatthew Ahrens if (da->da_verbose) 11033f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 11043f9d6ad7SLin Ling 11053f9d6ad7SLin Ling mdb_printf("%s\n", buf); 11063f9d6ad7SLin Ling 110728e4da25SMatthew Ahrens if (da->da_verbose) 11083f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 11093f9d6ad7SLin Ling 11103f9d6ad7SLin Ling return (WALK_NEXT); 11113f9d6ad7SLin Ling } 11123f9d6ad7SLin Ling 11133f9d6ad7SLin Ling /* ARGSUSED */ 11143f9d6ad7SLin Ling static int 11153f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 11163f9d6ad7SLin Ling { 11173f9d6ad7SLin Ling GElf_Sym sym; 111828e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 11193f9d6ad7SLin Ling 11203f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 112128e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 112228e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 11233f9d6ad7SLin Ling NULL) != argc) 11243f9d6ad7SLin Ling return (DCMD_USAGE); 11253f9d6ad7SLin Ling 11263b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 11273f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 11283f9d6ad7SLin Ling return (DCMD_ERR); 11293f9d6ad7SLin Ling } 11303f9d6ad7SLin Ling 113128e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 11323f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 11333f9d6ad7SLin Ling return (DCMD_ERR); 11343f9d6ad7SLin Ling } 11353f9d6ad7SLin Ling 11363f9d6ad7SLin Ling return (DCMD_OK); 11373f9d6ad7SLin Ling } 11383f9d6ad7SLin Ling 11393f9d6ad7SLin Ling /*ARGSUSED*/ 11403f9d6ad7SLin Ling static int 114144cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 114244cb6abcSbmc { 114344cb6abcSbmc kstat_named_t *stats; 114444cb6abcSbmc GElf_Sym sym; 114591ebeef5Sahrens int nstats, i; 114644cb6abcSbmc uint_t opt_a = FALSE; 114791ebeef5Sahrens uint_t opt_b = FALSE; 114891ebeef5Sahrens uint_t shift = 0; 114991ebeef5Sahrens const char *suffix; 115044cb6abcSbmc 115191ebeef5Sahrens static const char *bytestats[] = { 11529253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 115320128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 11544076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 11554076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 11564076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 11574076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 11584076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 11594076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 11604076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 11614076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 11624076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 11634076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 1164dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 11659253d63dSGeorge Wilson NULL 116691ebeef5Sahrens }; 116791ebeef5Sahrens 116891ebeef5Sahrens static const char *extras[] = { 116991ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 117091ebeef5Sahrens NULL 117144cb6abcSbmc }; 117244cb6abcSbmc 117322ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 117444cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 117544cb6abcSbmc return (DCMD_ERR); 117644cb6abcSbmc } 117744cb6abcSbmc 117844cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 117944cb6abcSbmc 118044cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 118144cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 118244cb6abcSbmc return (DCMD_ERR); 118344cb6abcSbmc } 118444cb6abcSbmc 118544cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 118644cb6abcSbmc 118791ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 118891ebeef5Sahrens if (mdb_getopts(argc, argv, 118991ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 119091ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 119191ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 119291ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 119391ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 119491ebeef5Sahrens NULL) != argc) 119544cb6abcSbmc return (DCMD_USAGE); 119644cb6abcSbmc 119791ebeef5Sahrens if (!opt_b && !shift) 119891ebeef5Sahrens shift = 20; 119944cb6abcSbmc 120091ebeef5Sahrens switch (shift) { 120191ebeef5Sahrens case 0: 120291ebeef5Sahrens suffix = "B"; 120391ebeef5Sahrens break; 120491ebeef5Sahrens case 10: 120591ebeef5Sahrens suffix = "KB"; 120691ebeef5Sahrens break; 120791ebeef5Sahrens case 20: 120891ebeef5Sahrens suffix = "MB"; 120991ebeef5Sahrens break; 121091ebeef5Sahrens case 30: 121191ebeef5Sahrens suffix = "GB"; 121291ebeef5Sahrens break; 121391ebeef5Sahrens default: 121491ebeef5Sahrens suffix = "XX"; 121591ebeef5Sahrens } 121691ebeef5Sahrens 121744cb6abcSbmc for (i = 0; i < nstats; i++) { 121891ebeef5Sahrens int j; 121991ebeef5Sahrens boolean_t bytes = B_FALSE; 122091ebeef5Sahrens 122191ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 122291ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 122391ebeef5Sahrens bytes = B_TRUE; 122491ebeef5Sahrens break; 122591ebeef5Sahrens } 122691ebeef5Sahrens } 122791ebeef5Sahrens 122891ebeef5Sahrens if (bytes) { 122991ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 123091ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 123191ebeef5Sahrens } else { 123291ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 123344cb6abcSbmc stats[i].value.ui64); 123444cb6abcSbmc } 123544cb6abcSbmc } 123644cb6abcSbmc 123791ebeef5Sahrens for (i = 0; extras[i]; i++) { 123844cb6abcSbmc uint64_t buf; 123944cb6abcSbmc 124022ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 124191ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 124244cb6abcSbmc return (DCMD_ERR); 124344cb6abcSbmc } 124444cb6abcSbmc 124544cb6abcSbmc if (sym.st_size != sizeof (uint64_t) && 124644cb6abcSbmc sym.st_size != sizeof (uint32_t)) { 124791ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 124891ebeef5Sahrens extras[i]); 124944cb6abcSbmc return (DCMD_ERR); 125044cb6abcSbmc } 125144cb6abcSbmc 125244cb6abcSbmc if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 125391ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 125444cb6abcSbmc return (DCMD_ERR); 125544cb6abcSbmc } 125644cb6abcSbmc 125791ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 125844cb6abcSbmc 125991ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 126044cb6abcSbmc if (sym.st_size == sizeof (uint64_t)) 126191ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 126244cb6abcSbmc 126344cb6abcSbmc if (sym.st_size == sizeof (uint32_t)) 126491ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 126544cb6abcSbmc } 126644cb6abcSbmc return (DCMD_OK); 126744cb6abcSbmc } 126844cb6abcSbmc 126922ce0148SMatthew Ahrens typedef struct mdb_spa_print { 127022ce0148SMatthew Ahrens pool_state_t spa_state; 12719adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 127291e2a09fSSteve Gonczi uintptr_t spa_normal_class; 127322ce0148SMatthew Ahrens } mdb_spa_print_t; 127422ce0148SMatthew Ahrens 127591e2a09fSSteve Gonczi 127691e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 127791e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 127891e2a09fSSteve Gonczi 127991e2a09fSSteve Gonczi static void 128091e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 128191e2a09fSSteve Gonczi { 128291e2a09fSSteve Gonczi int i; 128391e2a09fSSteve Gonczi int minidx = size - 1; 128491e2a09fSSteve Gonczi int maxidx = 0; 128591e2a09fSSteve Gonczi uint64_t max = 0; 128691e2a09fSSteve Gonczi 128791e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 128891e2a09fSSteve Gonczi if (histo[i] > max) 128991e2a09fSSteve Gonczi max = histo[i]; 129091e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 129191e2a09fSSteve Gonczi maxidx = i; 129291e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 129391e2a09fSSteve Gonczi minidx = i; 129491e2a09fSSteve Gonczi } 129591e2a09fSSteve Gonczi 129691e2a09fSSteve Gonczi if (max < histo_width) 129791e2a09fSSteve Gonczi max = histo_width; 129891e2a09fSSteve Gonczi 129991e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 130091e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 130191e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 130291e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 130391e2a09fSSteve Gonczi } 130491e2a09fSSteve Gonczi } 130591e2a09fSSteve Gonczi 130691e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 130791e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 130891e2a09fSSteve Gonczi } mdb_metaslab_class_t; 130991e2a09fSSteve Gonczi 131091e2a09fSSteve Gonczi /* 131191e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 131291e2a09fSSteve Gonczi * 131391e2a09fSSteve Gonczi * Prints free space histogram for a device class 131491e2a09fSSteve Gonczi * 131591e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 131691e2a09fSSteve Gonczi */ 131791e2a09fSSteve Gonczi static int 131891e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 131991e2a09fSSteve Gonczi { 132091e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 132191e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 132291e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 132391e2a09fSSteve Gonczi return (DCMD_ERR); 132491e2a09fSSteve Gonczi 132591e2a09fSSteve Gonczi mdb_inc_indent(4); 132691e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 132791e2a09fSSteve Gonczi mdb_dec_indent(4); 132891e2a09fSSteve Gonczi return (DCMD_OK); 132991e2a09fSSteve Gonczi } 133091e2a09fSSteve Gonczi 1331fa9e4066Sahrens /* 1332fa9e4066Sahrens * ::spa 1333fa9e4066Sahrens * 1334fa9e4066Sahrens * -c Print configuration information as well 1335fa9e4066Sahrens * -v Print vdev state 1336fa9e4066Sahrens * -e Print vdev error stats 13372e4c9986SGeorge Wilson * -m Print vdev metaslab info 13382e4c9986SGeorge Wilson * -M print vdev metaslab group info 13392e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1340fa9e4066Sahrens * 1341fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1342fa9e4066Sahrens * active pools on the system. 1343fa9e4066Sahrens */ 1344fa9e4066Sahrens /* ARGSUSED */ 1345fa9e4066Sahrens static int 1346fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1347fa9e4066Sahrens { 1348fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1349e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1350fa9e4066Sahrens const char *state; 13512e4c9986SGeorge Wilson int spa_flags = 0; 1352fa9e4066Sahrens 1353fa9e4066Sahrens if (mdb_getopts(argc, argv, 13542e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 13552e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 13562e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 13572e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 13582e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 13592e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1360fa9e4066Sahrens NULL) != argc) 1361fa9e4066Sahrens return (DCMD_USAGE); 1362fa9e4066Sahrens 1363fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1364fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1365fa9e4066Sahrens mdb_warn("can't walk spa"); 1366fa9e4066Sahrens return (DCMD_ERR); 1367fa9e4066Sahrens } 1368fa9e4066Sahrens 1369fa9e4066Sahrens return (DCMD_OK); 1370fa9e4066Sahrens } 1371fa9e4066Sahrens 1372fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1373fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1374fa9e4066Sahrens return (DCMD_OK); 1375fa9e4066Sahrens } 1376fa9e4066Sahrens 1377fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1378fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1379fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1380fa9e4066Sahrens 138122ce0148SMatthew Ahrens mdb_spa_print_t spa; 138222ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1383fa9e4066Sahrens return (DCMD_ERR); 1384fa9e4066Sahrens 1385fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1386ea8dc4b6Seschrock state = "UNKNOWN"; 1387fa9e4066Sahrens else 1388fa9e4066Sahrens state = statetab[spa.spa_state]; 1389fa9e4066Sahrens 1390e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 139191e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 139291e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1393fa9e4066Sahrens 13942e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1395fa9e4066Sahrens mdb_printf("\n"); 1396fa9e4066Sahrens mdb_inc_indent(4); 1397fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1398fa9e4066Sahrens NULL) != DCMD_OK) 1399fa9e4066Sahrens return (DCMD_ERR); 1400fa9e4066Sahrens mdb_dec_indent(4); 1401fa9e4066Sahrens } 1402fa9e4066Sahrens 14032e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1404fa9e4066Sahrens mdb_arg_t v; 14052e4c9986SGeorge Wilson char opts[100] = "-"; 14062e4c9986SGeorge Wilson int args = 14072e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 14082e4c9986SGeorge Wilson 14092e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 14102e4c9986SGeorge Wilson strcat(opts, "e"); 14112e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 14122e4c9986SGeorge Wilson strcat(opts, "m"); 14132e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 14142e4c9986SGeorge Wilson strcat(opts, "M"); 14152e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14162e4c9986SGeorge Wilson strcat(opts, "h"); 1417fa9e4066Sahrens 1418fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 14192e4c9986SGeorge Wilson v.a_un.a_str = opts; 1420fa9e4066Sahrens 1421fa9e4066Sahrens mdb_printf("\n"); 1422fa9e4066Sahrens mdb_inc_indent(4); 14232e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1424fa9e4066Sahrens &v) != DCMD_OK) 1425fa9e4066Sahrens return (DCMD_ERR); 1426fa9e4066Sahrens mdb_dec_indent(4); 1427fa9e4066Sahrens } 1428fa9e4066Sahrens 1429fa9e4066Sahrens return (DCMD_OK); 1430fa9e4066Sahrens } 1431fa9e4066Sahrens 143228e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1433d5ee8a13SMatthew Ahrens uintptr_t spa_config; 143428e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 143528e4da25SMatthew Ahrens 1436fa9e4066Sahrens /* 1437fa9e4066Sahrens * ::spa_config 1438fa9e4066Sahrens * 1439fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1440fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1441fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1442fa9e4066Sahrens */ 1443fa9e4066Sahrens /* ARGSUSED */ 1444fa9e4066Sahrens static int 1445fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1446fa9e4066Sahrens { 144728e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1448fa9e4066Sahrens 1449fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1450fa9e4066Sahrens return (DCMD_USAGE); 1451fa9e4066Sahrens 145228e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 145328e4da25SMatthew Ahrens addr, 0) == -1) 1454fa9e4066Sahrens return (DCMD_ERR); 1455fa9e4066Sahrens 1456d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1457fa9e4066Sahrens mdb_printf("(none)\n"); 1458fa9e4066Sahrens return (DCMD_OK); 1459fa9e4066Sahrens } 1460fa9e4066Sahrens 1461d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1462fa9e4066Sahrens 0, NULL)); 1463fa9e4066Sahrens } 1464fa9e4066Sahrens 14652e4c9986SGeorge Wilson 14662e4c9986SGeorge Wilson 14672e4c9986SGeorge Wilson typedef struct mdb_range_tree { 1468814dcd43SSerapheim Dimitropoulos struct { 1469814dcd43SSerapheim Dimitropoulos uint64_t avl_numnodes; 1470814dcd43SSerapheim Dimitropoulos } rt_root; 14712e4c9986SGeorge Wilson uint64_t rt_space; 14722e4c9986SGeorge Wilson } mdb_range_tree_t; 14732e4c9986SGeorge Wilson 14742e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 14752e4c9986SGeorge Wilson uint64_t mg_fragmentation; 14762e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 14778363e80aSGeorge Wilson uintptr_t mg_vd; 14782e4c9986SGeorge Wilson } mdb_metaslab_group_t; 14792e4c9986SGeorge Wilson 14802e4c9986SGeorge Wilson typedef struct mdb_metaslab { 14812e4c9986SGeorge Wilson uint64_t ms_id; 14822e4c9986SGeorge Wilson uint64_t ms_start; 14832e4c9986SGeorge Wilson uint64_t ms_size; 14848363e80aSGeorge Wilson int64_t ms_deferspace; 14852e4c9986SGeorge Wilson uint64_t ms_fragmentation; 14868363e80aSGeorge Wilson uint64_t ms_weight; 148786714001SSerapheim Dimitropoulos uintptr_t ms_allocating[TXG_SIZE]; 148886714001SSerapheim Dimitropoulos uintptr_t ms_checkpointing; 148986714001SSerapheim Dimitropoulos uintptr_t ms_freeing; 149086714001SSerapheim Dimitropoulos uintptr_t ms_freed; 149186714001SSerapheim Dimitropoulos uintptr_t ms_allocatable; 1492814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_frees; 1493814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_allocs; 14942e4c9986SGeorge Wilson uintptr_t ms_sm; 14952e4c9986SGeorge Wilson } mdb_metaslab_t; 14962e4c9986SGeorge Wilson 14972e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 149886714001SSerapheim Dimitropoulos int64_t smp_alloc; 14992e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 15002e4c9986SGeorge Wilson } mdb_space_map_phys_t; 15012e4c9986SGeorge Wilson 15022e4c9986SGeorge Wilson typedef struct mdb_space_map { 15032e4c9986SGeorge Wilson uint64_t sm_size; 15042e4c9986SGeorge Wilson uint8_t sm_shift; 15052e4c9986SGeorge Wilson uintptr_t sm_phys; 15062e4c9986SGeorge Wilson } mdb_space_map_t; 15072e4c9986SGeorge Wilson 15082e4c9986SGeorge Wilson typedef struct mdb_vdev { 15098363e80aSGeorge Wilson uint64_t vdev_id; 1510814dcd43SSerapheim Dimitropoulos uint64_t vdev_state; 1511814dcd43SSerapheim Dimitropoulos uintptr_t vdev_ops; 1512814dcd43SSerapheim Dimitropoulos struct { 1513814dcd43SSerapheim Dimitropoulos uint64_t vs_aux; 1514814dcd43SSerapheim Dimitropoulos uint64_t vs_ops[VS_ZIO_TYPES]; 1515814dcd43SSerapheim Dimitropoulos uint64_t vs_bytes[VS_ZIO_TYPES]; 1516814dcd43SSerapheim Dimitropoulos uint64_t vs_read_errors; 1517814dcd43SSerapheim Dimitropoulos uint64_t vs_write_errors; 1518814dcd43SSerapheim Dimitropoulos uint64_t vs_checksum_errors; 1519814dcd43SSerapheim Dimitropoulos } vdev_stat; 1520814dcd43SSerapheim Dimitropoulos uintptr_t vdev_child; 1521814dcd43SSerapheim Dimitropoulos uint64_t vdev_children; 1522814dcd43SSerapheim Dimitropoulos uint64_t vdev_ms_count; 1523814dcd43SSerapheim Dimitropoulos uintptr_t vdev_mg; 1524814dcd43SSerapheim Dimitropoulos uintptr_t vdev_ms; 1525814dcd43SSerapheim Dimitropoulos uintptr_t vdev_path; 15262e4c9986SGeorge Wilson } mdb_vdev_t; 15272e4c9986SGeorge Wilson 15288363e80aSGeorge Wilson typedef struct mdb_vdev_ops { 15298363e80aSGeorge Wilson char vdev_op_type[16]; 15308363e80aSGeorge Wilson } mdb_vdev_ops_t; 15318363e80aSGeorge Wilson 15322e4c9986SGeorge Wilson static int 1533814dcd43SSerapheim Dimitropoulos metaslab_stats(mdb_vdev_t *vd, int spa_flags) 15342e4c9986SGeorge Wilson { 15352e4c9986SGeorge Wilson mdb_inc_indent(4); 1536814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %6s %20s %10s %10s %10s%</u>\n", "ADDR", "ID", 1537814dcd43SSerapheim Dimitropoulos "OFFSET", "FREE", "FRAG", "UCMU"); 15382e4c9986SGeorge Wilson 1539814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 15402e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 1541814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1542814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1543814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 15442e4c9986SGeorge Wilson return (DCMD_ERR); 15452e4c9986SGeorge Wilson } 15462e4c9986SGeorge Wilson 1547814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 15482e4c9986SGeorge Wilson mdb_metaslab_t ms; 15492e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 1550814dcd43SSerapheim Dimitropoulos mdb_space_map_phys_t smp = { 0 }; 1551814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1552814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees, raw_free, raw_uchanges_mem; 1553d70f65dfSToomas Soome char free[MDB_NICENUM_BUFLEN]; 1554814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 15552e4c9986SGeorge Wilson 15562e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1557814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 15582e4c9986SGeorge Wilson return (DCMD_ERR); 15592e4c9986SGeorge Wilson 1560892ad162SToomas Soome if (ms.ms_sm != 0 && 15612e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 15622e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 15632e4c9986SGeorge Wilson return (DCMD_ERR); 15642e4c9986SGeorge Wilson 1565814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1566814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1567814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1568814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 1569814dcd43SSerapheim Dimitropoulos raw_uchanges_mem = rt.rt_root.avl_numnodes * 1570814dcd43SSerapheim Dimitropoulos mdb_ctf_sizeof_by_name("range_seg_t"); 1571814dcd43SSerapheim Dimitropoulos 1572814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1573814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1574814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1575814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 1576814dcd43SSerapheim Dimitropoulos raw_uchanges_mem += rt.rt_root.avl_numnodes * 1577814dcd43SSerapheim Dimitropoulos mdb_ctf_sizeof_by_name("range_seg_t"); 1578814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1579814dcd43SSerapheim Dimitropoulos 1580814dcd43SSerapheim Dimitropoulos raw_free = ms.ms_size; 1581814dcd43SSerapheim Dimitropoulos if (ms.ms_sm != 0 && sm.sm_phys != 0) { 158229d33d42SKody A Kantor (void) mdb_ctf_vread(&smp, "space_map_phys_t", 158329d33d42SKody A Kantor "mdb_space_map_phys_t", sm.sm_phys, 0); 1584814dcd43SSerapheim Dimitropoulos raw_free -= smp.smp_alloc; 158529d33d42SKody A Kantor } 1586814dcd43SSerapheim Dimitropoulos raw_free += ufrees - uallocs; 1587814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_free, free); 15882e4c9986SGeorge Wilson 15892e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 15902e4c9986SGeorge Wilson ms.ms_start, free); 15912e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 1592814dcd43SSerapheim Dimitropoulos mdb_printf("%9s ", "-"); 15932e4c9986SGeorge Wilson else 1594814dcd43SSerapheim Dimitropoulos mdb_printf("%9llu%% ", ms.ms_fragmentation); 1595814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 15962e4c9986SGeorge Wilson 1597814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != 0 && 1598814dcd43SSerapheim Dimitropoulos sm.sm_phys != 0) { 15992e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 16002e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 16012e4c9986SGeorge Wilson } 16022e4c9986SGeorge Wilson } 16032e4c9986SGeorge Wilson mdb_dec_indent(4); 16042e4c9986SGeorge Wilson return (DCMD_OK); 16052e4c9986SGeorge Wilson } 16062e4c9986SGeorge Wilson 16072e4c9986SGeorge Wilson static int 1608814dcd43SSerapheim Dimitropoulos metaslab_group_stats(mdb_vdev_t *vd, int spa_flags) 16092e4c9986SGeorge Wilson { 16102e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 16112e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 1612814dcd43SSerapheim Dimitropoulos vd->vdev_mg, 0) == -1) { 1613814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_mg at %p\n", vd->vdev_mg); 16142e4c9986SGeorge Wilson return (DCMD_ERR); 16152e4c9986SGeorge Wilson } 16162e4c9986SGeorge Wilson 16172e4c9986SGeorge Wilson mdb_inc_indent(4); 1618814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %7s %9s%</u>\n", "ADDR", "FRAG", "UCMU"); 1619814dcd43SSerapheim Dimitropoulos 16202e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 1621814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6s\n", vd->vdev_mg, "-"); 16222e4c9986SGeorge Wilson else 1623814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6llu%%", vd->vdev_mg, mg.mg_fragmentation); 1624814dcd43SSerapheim Dimitropoulos 1625814dcd43SSerapheim Dimitropoulos 1626814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 1627814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1628814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1629814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1630814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 1631814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1632814dcd43SSerapheim Dimitropoulos } 1633814dcd43SSerapheim Dimitropoulos 1634814dcd43SSerapheim Dimitropoulos uint64_t raw_uchanges_mem = 0; 1635814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 1636814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 1637814dcd43SSerapheim Dimitropoulos mdb_metaslab_t ms; 1638814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1639814dcd43SSerapheim Dimitropoulos 1640814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1641814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 1642814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1643814dcd43SSerapheim Dimitropoulos 1644814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1645814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1646814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1647814dcd43SSerapheim Dimitropoulos raw_uchanges_mem += 1648814dcd43SSerapheim Dimitropoulos rt.rt_root.avl_numnodes * sizeof (range_seg_t); 1649814dcd43SSerapheim Dimitropoulos 1650814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1651814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1652814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1653814dcd43SSerapheim Dimitropoulos raw_uchanges_mem += 1654814dcd43SSerapheim Dimitropoulos rt.rt_root.avl_numnodes * sizeof (range_seg_t); 1655814dcd43SSerapheim Dimitropoulos } 1656814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1657814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 16582e4c9986SGeorge Wilson 16592e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 16602e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 16612e4c9986SGeorge Wilson mdb_dec_indent(4); 16622e4c9986SGeorge Wilson return (DCMD_OK); 16632e4c9986SGeorge Wilson } 16642e4c9986SGeorge Wilson 1665fa9e4066Sahrens /* 1666fa9e4066Sahrens * ::vdev 1667fa9e4066Sahrens * 1668fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1669fa9e4066Sahrens * 1670fa9e4066Sahrens * ADDR STATE AUX DESC 1671fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1672fa9e4066Sahrens * 1673fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1674fa9e4066Sahrens * 1675fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1676fa9e4066Sahrens */ 1677fa9e4066Sahrens static int 16782e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 16792e4c9986SGeorge Wilson int spa_flags) 1680fa9e4066Sahrens { 1681814dcd43SSerapheim Dimitropoulos mdb_vdev_t vd; 1682814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&vd, "vdev_t", "mdb_vdev_t", 1683814dcd43SSerapheim Dimitropoulos (uintptr_t)addr, 0) == -1) 1684fa9e4066Sahrens return (DCMD_ERR); 1685fa9e4066Sahrens 1686fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1687b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1688fa9e4066Sahrens } else { 1689814dcd43SSerapheim Dimitropoulos char desc[MAXNAMELEN]; 1690814dcd43SSerapheim Dimitropoulos if (vd.vdev_path != 0) { 1691fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1692814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_path) == -1) { 1693fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1694814dcd43SSerapheim Dimitropoulos vd.vdev_path); 1695fa9e4066Sahrens return (DCMD_ERR); 1696fa9e4066Sahrens } 1697814dcd43SSerapheim Dimitropoulos } else if (vd.vdev_ops != 0) { 1698fa9e4066Sahrens vdev_ops_t ops; 1699fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1700814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_ops) == -1) { 1701fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1702814dcd43SSerapheim Dimitropoulos vd.vdev_ops); 1703fa9e4066Sahrens return (DCMD_ERR); 1704fa9e4066Sahrens } 1705fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1706fa9e4066Sahrens } else { 1707fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1708fa9e4066Sahrens } 1709fa9e4066Sahrens 1710fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1711fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1712fa9e4066Sahrens "ADDR", "STATE", "AUX", 1713fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1714fa9e4066Sahrens "DESCRIPTION"); 1715fa9e4066Sahrens 1716fa9e4066Sahrens mdb_printf("%0?p ", addr); 1717fa9e4066Sahrens 1718814dcd43SSerapheim Dimitropoulos const char *state, *aux; 1719814dcd43SSerapheim Dimitropoulos switch (vd.vdev_state) { 1720fa9e4066Sahrens case VDEV_STATE_CLOSED: 1721fa9e4066Sahrens state = "CLOSED"; 1722fa9e4066Sahrens break; 1723fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1724fa9e4066Sahrens state = "OFFLINE"; 1725fa9e4066Sahrens break; 1726fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1727fa9e4066Sahrens state = "CANT_OPEN"; 1728fa9e4066Sahrens break; 1729fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1730fa9e4066Sahrens state = "DEGRADED"; 1731fa9e4066Sahrens break; 1732fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1733fa9e4066Sahrens state = "HEALTHY"; 1734fa9e4066Sahrens break; 17353d7072f8Seschrock case VDEV_STATE_REMOVED: 17363d7072f8Seschrock state = "REMOVED"; 17373d7072f8Seschrock break; 17383d7072f8Seschrock case VDEV_STATE_FAULTED: 17393d7072f8Seschrock state = "FAULTED"; 17403d7072f8Seschrock break; 1741fa9e4066Sahrens default: 1742fa9e4066Sahrens state = "UNKNOWN"; 1743fa9e4066Sahrens break; 1744fa9e4066Sahrens } 1745fa9e4066Sahrens 1746814dcd43SSerapheim Dimitropoulos switch (vd.vdev_stat.vs_aux) { 1747fa9e4066Sahrens case VDEV_AUX_NONE: 1748fa9e4066Sahrens aux = "-"; 1749fa9e4066Sahrens break; 1750fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1751fa9e4066Sahrens aux = "OPEN_FAILED"; 1752fa9e4066Sahrens break; 1753fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1754fa9e4066Sahrens aux = "CORRUPT_DATA"; 1755fa9e4066Sahrens break; 1756fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1757fa9e4066Sahrens aux = "NO_REPLICAS"; 1758fa9e4066Sahrens break; 1759fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1760fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1761fa9e4066Sahrens break; 1762fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1763fa9e4066Sahrens aux = "TOO_SMALL"; 1764fa9e4066Sahrens break; 1765fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1766fa9e4066Sahrens aux = "BAD_LABEL"; 1767fa9e4066Sahrens break; 1768b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1769b87f3af3Sperrin aux = "VERS_NEWER"; 1770b87f3af3Sperrin break; 1771b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1772b87f3af3Sperrin aux = "VERS_OLDER"; 1773b87f3af3Sperrin break; 1774ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1775ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1776ad135b5dSChristopher Siden break; 1777b87f3af3Sperrin case VDEV_AUX_SPARED: 1778b87f3af3Sperrin aux = "SPARED"; 1779b87f3af3Sperrin break; 1780b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1781b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1782b87f3af3Sperrin break; 1783b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1784b87f3af3Sperrin aux = "IO_FAILURE"; 1785b87f3af3Sperrin break; 1786b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1787b87f3af3Sperrin aux = "BAD_LOG"; 1788b87f3af3Sperrin break; 17891195e687SMark J Musante case VDEV_AUX_EXTERNAL: 17901195e687SMark J Musante aux = "EXTERNAL"; 17911195e687SMark J Musante break; 17921195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 17931195e687SMark J Musante aux = "SPLIT_POOL"; 17941195e687SMark J Musante break; 17956f793812SPavel Zakharov case VDEV_AUX_CHILDREN_OFFLINE: 17966f793812SPavel Zakharov aux = "CHILDREN_OFFLINE"; 17976f793812SPavel Zakharov break; 1798fa9e4066Sahrens default: 1799fa9e4066Sahrens aux = "UNKNOWN"; 1800fa9e4066Sahrens break; 1801fa9e4066Sahrens } 1802fa9e4066Sahrens 1803fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1804fa9e4066Sahrens 18052e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1806fa9e4066Sahrens int i; 1807fa9e4066Sahrens 1808fa9e4066Sahrens mdb_inc_indent(4); 1809fa9e4066Sahrens mdb_printf("\n"); 1810fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1811fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1812fa9e4066Sahrens "IOCTL"); 1813fa9e4066Sahrens mdb_printf("OPS "); 1814814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1815814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1816814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_ops[i], 1817814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1818fa9e4066Sahrens mdb_printf("\n"); 1819fa9e4066Sahrens mdb_printf("BYTES "); 1820814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1821814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1822814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_bytes[i], 1823814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1824fa9e4066Sahrens 1825fa9e4066Sahrens 1826fa9e4066Sahrens mdb_printf("\n"); 1827814dcd43SSerapheim Dimitropoulos mdb_printf("EREAD %10#llx\n", 1828814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_read_errors); 1829814dcd43SSerapheim Dimitropoulos mdb_printf("EWRITE %10#llx\n", 1830814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_write_errors); 1831fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1832814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_checksum_errors); 1833fa9e4066Sahrens mdb_dec_indent(4); 18342e4c9986SGeorge Wilson mdb_printf("\n"); 1835fa9e4066Sahrens } 1836fa9e4066Sahrens 1837814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLAB_GROUPS) && 1838814dcd43SSerapheim Dimitropoulos vd.vdev_mg != 0) { 1839814dcd43SSerapheim Dimitropoulos metaslab_group_stats(&vd, spa_flags); 18402e4c9986SGeorge Wilson } 1841814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLABS) && vd.vdev_ms != 0) { 1842814dcd43SSerapheim Dimitropoulos metaslab_stats(&vd, spa_flags); 18432e4c9986SGeorge Wilson } 1844fa9e4066Sahrens } 1845fa9e4066Sahrens 1846814dcd43SSerapheim Dimitropoulos uint64_t children = vd.vdev_children; 1847fa9e4066Sahrens if (children == 0 || !recursive) 1848fa9e4066Sahrens return (DCMD_OK); 1849fa9e4066Sahrens 1850814dcd43SSerapheim Dimitropoulos uintptr_t *child = mdb_alloc(children * sizeof (child), 1851814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1852814dcd43SSerapheim Dimitropoulos if (mdb_vread(child, children * sizeof (void *), vd.vdev_child) == -1) { 1853814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev children at %p", vd.vdev_child); 1854fa9e4066Sahrens return (DCMD_ERR); 1855fa9e4066Sahrens } 1856fa9e4066Sahrens 1857814dcd43SSerapheim Dimitropoulos for (uint64_t c = 0; c < children; c++) { 18582e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 18592e4c9986SGeorge Wilson spa_flags)) { 1860fa9e4066Sahrens return (DCMD_ERR); 1861fa9e4066Sahrens } 18622e4c9986SGeorge Wilson } 1863fa9e4066Sahrens 1864fa9e4066Sahrens return (DCMD_OK); 1865fa9e4066Sahrens } 1866fa9e4066Sahrens 1867fa9e4066Sahrens static int 1868fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1869fa9e4066Sahrens { 1870c5904d13Seschrock uint64_t depth = 0; 18712e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 18722e4c9986SGeorge Wilson int spa_flags = 0; 1873fa9e4066Sahrens 1874fa9e4066Sahrens if (mdb_getopts(argc, argv, 18752e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 18762e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 18772e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 18782e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1879fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 18802e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1881fa9e4066Sahrens return (DCMD_USAGE); 1882fa9e4066Sahrens 1883fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1884fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1885fa9e4066Sahrens return (DCMD_ERR); 1886fa9e4066Sahrens } 1887fa9e4066Sahrens 18882e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1889fa9e4066Sahrens } 1890fa9e4066Sahrens 18918363e80aSGeorge Wilson typedef struct mdb_metaslab_alloc_trace { 18928363e80aSGeorge Wilson uintptr_t mat_mg; 18938363e80aSGeorge Wilson uintptr_t mat_msp; 18948363e80aSGeorge Wilson uint64_t mat_size; 18958363e80aSGeorge Wilson uint64_t mat_weight; 18968363e80aSGeorge Wilson uint64_t mat_offset; 18978363e80aSGeorge Wilson uint32_t mat_dva_id; 1898f78cdc34SPaul Dagnelie int mat_allocator; 18998363e80aSGeorge Wilson } mdb_metaslab_alloc_trace_t; 19008363e80aSGeorge Wilson 19018363e80aSGeorge Wilson static void 19028363e80aSGeorge Wilson metaslab_print_weight(uint64_t weight) 19038363e80aSGeorge Wilson { 19048363e80aSGeorge Wilson char buf[100]; 19058363e80aSGeorge Wilson 19068363e80aSGeorge Wilson if (WEIGHT_IS_SPACEBASED(weight)) { 19078363e80aSGeorge Wilson mdb_nicenum( 19088363e80aSGeorge Wilson weight & ~(METASLAB_ACTIVE_MASK | METASLAB_WEIGHT_TYPE), 19098363e80aSGeorge Wilson buf); 19108363e80aSGeorge Wilson } else { 1911d70f65dfSToomas Soome char size[MDB_NICENUM_BUFLEN]; 19128363e80aSGeorge Wilson mdb_nicenum(1ULL << WEIGHT_GET_INDEX(weight), size); 19138363e80aSGeorge Wilson (void) mdb_snprintf(buf, sizeof (buf), "%llu x %s", 19148363e80aSGeorge Wilson WEIGHT_GET_COUNT(weight), size); 19158363e80aSGeorge Wilson } 19168363e80aSGeorge Wilson mdb_printf("%11s ", buf); 19178363e80aSGeorge Wilson } 19188363e80aSGeorge Wilson 19198363e80aSGeorge Wilson /* ARGSUSED */ 19208363e80aSGeorge Wilson static int 19218363e80aSGeorge Wilson metaslab_weight(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19228363e80aSGeorge Wilson { 19238363e80aSGeorge Wilson uint64_t weight = 0; 19248363e80aSGeorge Wilson char active; 19258363e80aSGeorge Wilson 19268363e80aSGeorge Wilson if (argc == 0 && (flags & DCMD_ADDRSPEC)) { 19278363e80aSGeorge Wilson if (mdb_vread(&weight, sizeof (uint64_t), addr) == -1) { 19288363e80aSGeorge Wilson mdb_warn("failed to read weight at %p\n", addr); 19298363e80aSGeorge Wilson return (DCMD_ERR); 19308363e80aSGeorge Wilson } 19318363e80aSGeorge Wilson } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { 19328363e80aSGeorge Wilson weight = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? 19338363e80aSGeorge Wilson argv[0].a_un.a_val : mdb_strtoull(argv[0].a_un.a_str); 19348363e80aSGeorge Wilson } else { 19358363e80aSGeorge Wilson return (DCMD_USAGE); 19368363e80aSGeorge Wilson } 19378363e80aSGeorge Wilson 19388363e80aSGeorge Wilson if (DCMD_HDRSPEC(flags)) { 19398363e80aSGeorge Wilson mdb_printf("%<u>%-6s %9s %9s%</u>\n", 19408363e80aSGeorge Wilson "ACTIVE", "ALGORITHM", "WEIGHT"); 19418363e80aSGeorge Wilson } 19428363e80aSGeorge Wilson 19438363e80aSGeorge Wilson if (weight & METASLAB_WEIGHT_PRIMARY) 19448363e80aSGeorge Wilson active = 'P'; 19458363e80aSGeorge Wilson else if (weight & METASLAB_WEIGHT_SECONDARY) 19468363e80aSGeorge Wilson active = 'S'; 19478363e80aSGeorge Wilson else 19488363e80aSGeorge Wilson active = '-'; 19498363e80aSGeorge Wilson mdb_printf("%6c %8s ", active, 19508363e80aSGeorge Wilson WEIGHT_IS_SPACEBASED(weight) ? "SPACE" : "SEGMENT"); 19518363e80aSGeorge Wilson metaslab_print_weight(weight); 19528363e80aSGeorge Wilson mdb_printf("\n"); 19538363e80aSGeorge Wilson 19548363e80aSGeorge Wilson return (DCMD_OK); 19558363e80aSGeorge Wilson } 19568363e80aSGeorge Wilson 19578363e80aSGeorge Wilson /* ARGSUSED */ 19588363e80aSGeorge Wilson static int 19598363e80aSGeorge Wilson metaslab_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19608363e80aSGeorge Wilson { 19618363e80aSGeorge Wilson mdb_metaslab_alloc_trace_t mat; 19628363e80aSGeorge Wilson mdb_metaslab_group_t mg = { 0 }; 19638363e80aSGeorge Wilson char result_type[100]; 19648363e80aSGeorge Wilson 19658363e80aSGeorge Wilson if (mdb_ctf_vread(&mat, "metaslab_alloc_trace_t", 19668363e80aSGeorge Wilson "mdb_metaslab_alloc_trace_t", addr, 0) == -1) { 19678363e80aSGeorge Wilson return (DCMD_ERR); 19688363e80aSGeorge Wilson } 19698363e80aSGeorge Wilson 19708363e80aSGeorge Wilson if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1971f78cdc34SPaul Dagnelie mdb_printf("%<u>%6s %6s %8s %11s %11s %18s %18s%</u>\n", 1972f78cdc34SPaul Dagnelie "MSID", "DVA", "ASIZE", "ALLOCATOR", "WEIGHT", "RESULT", 1973f78cdc34SPaul Dagnelie "VDEV"); 19748363e80aSGeorge Wilson } 19758363e80aSGeorge Wilson 1976892ad162SToomas Soome if (mat.mat_msp != 0) { 19778363e80aSGeorge Wilson mdb_metaslab_t ms; 19788363e80aSGeorge Wilson 19798363e80aSGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 19808363e80aSGeorge Wilson mat.mat_msp, 0) == -1) { 19818363e80aSGeorge Wilson return (DCMD_ERR); 19828363e80aSGeorge Wilson } 19838363e80aSGeorge Wilson mdb_printf("%6llu ", ms.ms_id); 19848363e80aSGeorge Wilson } else { 19858363e80aSGeorge Wilson mdb_printf("%6s ", "-"); 19868363e80aSGeorge Wilson } 19878363e80aSGeorge Wilson 1988f78cdc34SPaul Dagnelie mdb_printf("%6d %8llx %11llx ", mat.mat_dva_id, mat.mat_size, 1989f78cdc34SPaul Dagnelie mat.mat_allocator); 19908363e80aSGeorge Wilson 19918363e80aSGeorge Wilson metaslab_print_weight(mat.mat_weight); 19928363e80aSGeorge Wilson 19938363e80aSGeorge Wilson if ((int64_t)mat.mat_offset < 0) { 19948363e80aSGeorge Wilson if (enum_lookup("enum trace_alloc_type", mat.mat_offset, 19958363e80aSGeorge Wilson "TRACE_", sizeof (result_type), result_type) == -1) { 19968363e80aSGeorge Wilson mdb_warn("Could not find enum for trace_alloc_type"); 19978363e80aSGeorge Wilson return (DCMD_ERR); 19988363e80aSGeorge Wilson } 19998363e80aSGeorge Wilson mdb_printf("%18s ", result_type); 20008363e80aSGeorge Wilson } else { 20018363e80aSGeorge Wilson mdb_printf("%<b>%18llx%</b> ", mat.mat_offset); 20028363e80aSGeorge Wilson } 20038363e80aSGeorge Wilson 2004892ad162SToomas Soome if (mat.mat_mg != 0 && 20058363e80aSGeorge Wilson mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 20068363e80aSGeorge Wilson mat.mat_mg, 0) == -1) { 20078363e80aSGeorge Wilson return (DCMD_ERR); 20088363e80aSGeorge Wilson } 20098363e80aSGeorge Wilson 2010892ad162SToomas Soome if (mg.mg_vd != 0) { 20118363e80aSGeorge Wilson mdb_vdev_t vdev; 20128363e80aSGeorge Wilson char desc[MAXNAMELEN]; 20138363e80aSGeorge Wilson 20148363e80aSGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 20158363e80aSGeorge Wilson mg.mg_vd, 0) == -1) { 20168363e80aSGeorge Wilson return (DCMD_ERR); 20178363e80aSGeorge Wilson } 20188363e80aSGeorge Wilson 2019892ad162SToomas Soome if (vdev.vdev_path != 0) { 20208363e80aSGeorge Wilson char path[MAXNAMELEN]; 20218363e80aSGeorge Wilson 20228363e80aSGeorge Wilson if (mdb_readstr(path, sizeof (path), 20238363e80aSGeorge Wilson vdev.vdev_path) == -1) { 20248363e80aSGeorge Wilson mdb_warn("failed to read vdev_path at %p\n", 20258363e80aSGeorge Wilson vdev.vdev_path); 20268363e80aSGeorge Wilson return (DCMD_ERR); 20278363e80aSGeorge Wilson } 20288363e80aSGeorge Wilson char *slash; 20298363e80aSGeorge Wilson if ((slash = strrchr(path, '/')) != NULL) { 20308363e80aSGeorge Wilson strcpy(desc, slash + 1); 20318363e80aSGeorge Wilson } else { 20328363e80aSGeorge Wilson strcpy(desc, path); 20338363e80aSGeorge Wilson } 2034892ad162SToomas Soome } else if (vdev.vdev_ops != 0) { 20358363e80aSGeorge Wilson mdb_vdev_ops_t ops; 20368363e80aSGeorge Wilson if (mdb_ctf_vread(&ops, "vdev_ops_t", "mdb_vdev_ops_t", 20378363e80aSGeorge Wilson vdev.vdev_ops, 0) == -1) { 20388363e80aSGeorge Wilson mdb_warn("failed to read vdev_ops at %p\n", 20398363e80aSGeorge Wilson vdev.vdev_ops); 20408363e80aSGeorge Wilson return (DCMD_ERR); 20418363e80aSGeorge Wilson } 20428363e80aSGeorge Wilson (void) mdb_snprintf(desc, sizeof (desc), 20438363e80aSGeorge Wilson "%s-%llu", ops.vdev_op_type, vdev.vdev_id); 20448363e80aSGeorge Wilson } else { 20458363e80aSGeorge Wilson (void) strcpy(desc, "<unknown>"); 20468363e80aSGeorge Wilson } 20478363e80aSGeorge Wilson mdb_printf("%18s\n", desc); 20488363e80aSGeorge Wilson } 20498363e80aSGeorge Wilson 20508363e80aSGeorge Wilson return (DCMD_OK); 20518363e80aSGeorge Wilson } 20528363e80aSGeorge Wilson 20535f5f7a6fSahrens typedef struct metaslab_walk_data { 20545f5f7a6fSahrens uint64_t mw_numvdevs; 20555f5f7a6fSahrens uintptr_t *mw_vdevs; 20565f5f7a6fSahrens int mw_curvdev; 20575f5f7a6fSahrens uint64_t mw_nummss; 20585f5f7a6fSahrens uintptr_t *mw_mss; 20595f5f7a6fSahrens int mw_curms; 20605f5f7a6fSahrens } metaslab_walk_data_t; 20615f5f7a6fSahrens 20625f5f7a6fSahrens static int 20635f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 20645f5f7a6fSahrens { 20655f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 20665f5f7a6fSahrens metaslab_t ms; 20675f5f7a6fSahrens uintptr_t msp; 20685f5f7a6fSahrens 20695f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 20705f5f7a6fSahrens return (WALK_DONE); 20715f5f7a6fSahrens 20725f5f7a6fSahrens if (mw->mw_mss == NULL) { 20735f5f7a6fSahrens uintptr_t mssp; 20745f5f7a6fSahrens uintptr_t vdevp; 20755f5f7a6fSahrens 20765f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 20775f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 20785f5f7a6fSahrens 20795f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 208028e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 208128e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 20825f5f7a6fSahrens return (WALK_ERR); 20835f5f7a6fSahrens } 20845f5f7a6fSahrens 20855f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 20865f5f7a6fSahrens UM_SLEEP | UM_GC); 20875f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 20885f5f7a6fSahrens mssp) == -1) { 20895f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 20905f5f7a6fSahrens return (WALK_ERR); 20915f5f7a6fSahrens } 20925f5f7a6fSahrens } 20935f5f7a6fSahrens 20945f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 20955f5f7a6fSahrens mw->mw_mss = NULL; 20965f5f7a6fSahrens mw->mw_curms = 0; 20975f5f7a6fSahrens mw->mw_nummss = 0; 20985f5f7a6fSahrens mw->mw_curvdev++; 20995f5f7a6fSahrens return (WALK_NEXT); 21005f5f7a6fSahrens } 21015f5f7a6fSahrens 21025f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 21035f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 21045f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 21055f5f7a6fSahrens return (WALK_ERR); 21065f5f7a6fSahrens } 21075f5f7a6fSahrens 21085f5f7a6fSahrens mw->mw_curms++; 21095f5f7a6fSahrens 21105f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 21115f5f7a6fSahrens } 21125f5f7a6fSahrens 21135f5f7a6fSahrens static int 21145f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 21155f5f7a6fSahrens { 21165f5f7a6fSahrens metaslab_walk_data_t *mw; 21175f5f7a6fSahrens uintptr_t root_vdevp; 21185f5f7a6fSahrens uintptr_t childp; 21195f5f7a6fSahrens 2120892ad162SToomas Soome if (wsp->walk_addr == 0) { 21215f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 21225f5f7a6fSahrens return (WALK_ERR); 21235f5f7a6fSahrens } 21245f5f7a6fSahrens 21255f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 21265f5f7a6fSahrens 212728e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 212828e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 212928e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 21305f5f7a6fSahrens return (DCMD_ERR); 21315f5f7a6fSahrens } 21325f5f7a6fSahrens 21335f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 21345f5f7a6fSahrens UM_SLEEP | UM_GC); 21355f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 21365f5f7a6fSahrens childp) == -1) { 21375f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 21385f5f7a6fSahrens return (DCMD_ERR); 21395f5f7a6fSahrens } 21405f5f7a6fSahrens 21415f5f7a6fSahrens wsp->walk_data = mw; 21425f5f7a6fSahrens 21435f5f7a6fSahrens return (WALK_NEXT); 21445f5f7a6fSahrens } 21455f5f7a6fSahrens 2146fa9e4066Sahrens typedef struct mdb_spa { 2147fa9e4066Sahrens uintptr_t spa_dsl_pool; 2148fa9e4066Sahrens uintptr_t spa_root_vdev; 2149fa9e4066Sahrens } mdb_spa_t; 2150fa9e4066Sahrens 21512515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 21522515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 21532515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 21542515f5d4SJustin T. Gibbs 2155fa9e4066Sahrens typedef struct mdb_dsl_dir { 21562515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 2157fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 2158fa9e4066Sahrens } mdb_dsl_dir_t; 2159fa9e4066Sahrens 2160fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 2161fa9e4066Sahrens uint64_t dd_used_bytes; 2162fa9e4066Sahrens uint64_t dd_compressed_bytes; 2163fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 2164fa9e4066Sahrens } mdb_dsl_dir_phys_t; 2165fa9e4066Sahrens 21665f5f7a6fSahrens typedef struct space_data { 216786714001SSerapheim Dimitropoulos uint64_t ms_allocating[TXG_SIZE]; 216886714001SSerapheim Dimitropoulos uint64_t ms_checkpointing; 216986714001SSerapheim Dimitropoulos uint64_t ms_freeing; 217086714001SSerapheim Dimitropoulos uint64_t ms_freed; 2171814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_frees; 2172814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_allocs; 217386714001SSerapheim Dimitropoulos uint64_t ms_allocatable; 21748363e80aSGeorge Wilson int64_t ms_deferspace; 2175814dcd43SSerapheim Dimitropoulos uint64_t avail; 21765f5f7a6fSahrens } space_data_t; 21775f5f7a6fSahrens 21785f5f7a6fSahrens /* ARGSUSED */ 21795f5f7a6fSahrens static int 21805f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 21815f5f7a6fSahrens { 21825f5f7a6fSahrens space_data_t *sd = arg; 21835f5f7a6fSahrens mdb_metaslab_t ms; 21840713e232SGeorge Wilson mdb_range_tree_t rt; 21852e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 21860713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 2187814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees; 21880713e232SGeorge Wilson int i; 21895f5f7a6fSahrens 21900713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 21910713e232SGeorge Wilson addr, 0) == -1) 21925f5f7a6fSahrens return (WALK_ERR); 21930713e232SGeorge Wilson 21940713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 21950713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 219686714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocating[i], 0) == -1) 21972e4c9986SGeorge Wilson return (WALK_ERR); 219886714001SSerapheim Dimitropoulos sd->ms_allocating[i] += rt.rt_space; 21995f5f7a6fSahrens } 22005f5f7a6fSahrens 22010713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 220286714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_checkpointing, 0) == -1) 22035f145778SMatthew Ahrens return (WALK_ERR); 220486714001SSerapheim Dimitropoulos sd->ms_checkpointing += rt.rt_space; 22055f145778SMatthew Ahrens 22065f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 220786714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freeing, 0) == -1) 22085f145778SMatthew Ahrens return (WALK_ERR); 220986714001SSerapheim Dimitropoulos sd->ms_freeing += rt.rt_space; 22105f145778SMatthew Ahrens 22115f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 221286714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freed, 0) == -1) 22132e4c9986SGeorge Wilson return (WALK_ERR); 221486714001SSerapheim Dimitropoulos sd->ms_freed += rt.rt_space; 221586714001SSerapheim Dimitropoulos 221686714001SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 221786714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocatable, 0) == -1) 221886714001SSerapheim Dimitropoulos return (WALK_ERR); 221986714001SSerapheim Dimitropoulos sd->ms_allocatable += rt.rt_space; 22202e4c9986SGeorge Wilson 2221814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2222814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_frees, 0) == -1) 2223814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2224814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_frees += rt.rt_space; 2225814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 2226814dcd43SSerapheim Dimitropoulos 2227814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2228814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_allocs, 0) == -1) 2229814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2230814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_allocs += rt.rt_space; 2231814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 2232814dcd43SSerapheim Dimitropoulos 2233892ad162SToomas Soome if (ms.ms_sm != 0 && 22340713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 22350713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 22360713e232SGeorge Wilson return (WALK_ERR); 22370713e232SGeorge Wilson 2238892ad162SToomas Soome if (sm.sm_phys != 0) { 22390713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 22400713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 22410713e232SGeorge Wilson } 22420713e232SGeorge Wilson 22438363e80aSGeorge Wilson sd->ms_deferspace += ms.ms_deferspace; 2244814dcd43SSerapheim Dimitropoulos sd->avail += sm.sm_size - smp.smp_alloc + ufrees - uallocs; 22455f5f7a6fSahrens 22465f5f7a6fSahrens return (WALK_NEXT); 22475f5f7a6fSahrens } 22485f5f7a6fSahrens 2249fa9e4066Sahrens /* 2250fa9e4066Sahrens * ::spa_space [-b] 2251fa9e4066Sahrens * 2252fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 2253fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 2254fa9e4066Sahrens * Otherwise print in megabytes. 2255fa9e4066Sahrens */ 2256fa9e4066Sahrens /* ARGSUSED */ 2257fa9e4066Sahrens static int 2258fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2259fa9e4066Sahrens { 2260fa9e4066Sahrens mdb_spa_t spa; 22612515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 2262fa9e4066Sahrens mdb_dsl_dir_t dd; 22632515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 2264fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 22655f5f7a6fSahrens space_data_t sd; 2266fa9e4066Sahrens int shift = 20; 2267fa9e4066Sahrens char *suffix = "M"; 226828e4da25SMatthew Ahrens int bytes = B_FALSE; 2269fa9e4066Sahrens 227028e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 2271fa9e4066Sahrens argc) 2272fa9e4066Sahrens return (DCMD_USAGE); 2273fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2274fa9e4066Sahrens return (DCMD_USAGE); 2275fa9e4066Sahrens 227628e4da25SMatthew Ahrens if (bytes) { 2277fa9e4066Sahrens shift = 0; 2278fa9e4066Sahrens suffix = ""; 2279fa9e4066Sahrens } 2280fa9e4066Sahrens 22812515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 22822515f5d4SJustin T. Gibbs addr, 0) == -1 || 22832515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 22842515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 22852515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 22862515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 22872515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 22882515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 22892515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 22902515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 2291fa9e4066Sahrens return (DCMD_ERR); 2292fa9e4066Sahrens } 2293fa9e4066Sahrens 2294fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 2295fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 2296fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 2297fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 2298fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 2299fa9e4066Sahrens 2300fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 2301fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 2302fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 2303fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 2304fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 2305fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 2306fa9e4066Sahrens 23075f5f7a6fSahrens bzero(&sd, sizeof (sd)); 23085f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 23095f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 2310fa9e4066Sahrens return (DCMD_ERR); 2311fa9e4066Sahrens } 2312fa9e4066Sahrens 2313fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 231486714001SSerapheim Dimitropoulos sd.ms_allocating[0] >> shift, suffix, 231586714001SSerapheim Dimitropoulos sd.ms_allocating[1] >> shift, suffix, 231686714001SSerapheim Dimitropoulos sd.ms_allocating[2] >> shift, suffix, 231786714001SSerapheim Dimitropoulos sd.ms_allocating[3] >> shift, suffix); 231886714001SSerapheim Dimitropoulos mdb_printf("ms_checkpointing = %llu%s\n", 231986714001SSerapheim Dimitropoulos sd.ms_checkpointing >> shift, suffix); 232086714001SSerapheim Dimitropoulos mdb_printf("ms_freeing = %llu%s\n", 232186714001SSerapheim Dimitropoulos sd.ms_freeing >> shift, suffix); 232286714001SSerapheim Dimitropoulos mdb_printf("ms_freed = %llu%s\n", 232386714001SSerapheim Dimitropoulos sd.ms_freed >> shift, suffix); 2324814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_frees = %llu%s\n", 2325814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_frees >> shift, suffix); 2326814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_allocs = %llu%s\n", 2327814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_allocs >> shift, suffix); 232886714001SSerapheim Dimitropoulos mdb_printf("ms_allocatable = %llu%s\n", 232986714001SSerapheim Dimitropoulos sd.ms_allocatable >> shift, suffix); 23308363e80aSGeorge Wilson mdb_printf("ms_deferspace = %llu%s\n", 23318363e80aSGeorge Wilson sd.ms_deferspace >> shift, suffix); 2332814dcd43SSerapheim Dimitropoulos mdb_printf("current avail = %llu%s\n", 2333814dcd43SSerapheim Dimitropoulos sd.avail >> shift, suffix); 2334fa9e4066Sahrens 2335fa9e4066Sahrens return (DCMD_OK); 2336fa9e4066Sahrens } 2337fa9e4066Sahrens 233822ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 233922ce0148SMatthew Ahrens int sav_count; 234022ce0148SMatthew Ahrens uintptr_t sav_vdevs; 234122ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 2342fa9e4066Sahrens 234322ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 234422ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 234522ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 234622ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 234722ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 2348fa9e4066Sahrens 2349ec9f632eSEric Schrock static int 235022ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 2351ec9f632eSEric Schrock const char *name) 2352ec9f632eSEric Schrock { 2353ec9f632eSEric Schrock uintptr_t *aux; 2354ec9f632eSEric Schrock size_t len; 2355ec9f632eSEric Schrock int ret, i; 2356ec9f632eSEric Schrock 2357ec9f632eSEric Schrock /* 2358ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 2359ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 2360ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 2361ec9f632eSEric Schrock * vdev. 2362ec9f632eSEric Schrock */ 2363ec9f632eSEric Schrock if (sav->sav_count != 0) { 2364ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 2365ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 2366ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 2367ec9f632eSEric Schrock v[2].a_un.a_val = 2; 2368ec9f632eSEric Schrock 2369ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 2370ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 237122ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 2372ec9f632eSEric Schrock mdb_free(aux, len); 2373ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 2374ec9f632eSEric Schrock sav->sav_vdevs); 2375ec9f632eSEric Schrock return (DCMD_ERR); 2376ec9f632eSEric Schrock } 2377ec9f632eSEric Schrock 2378ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 2379ec9f632eSEric Schrock 2380ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 2381ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 2382ec9f632eSEric Schrock if (ret != DCMD_OK) { 2383ec9f632eSEric Schrock mdb_free(aux, len); 2384ec9f632eSEric Schrock return (ret); 2385ec9f632eSEric Schrock } 2386ec9f632eSEric Schrock } 2387ec9f632eSEric Schrock 2388ec9f632eSEric Schrock mdb_free(aux, len); 2389ec9f632eSEric Schrock } 2390ec9f632eSEric Schrock 2391ec9f632eSEric Schrock return (0); 2392ec9f632eSEric Schrock } 2393ec9f632eSEric Schrock 2394fa9e4066Sahrens /* 2395fa9e4066Sahrens * ::spa_vdevs 2396fa9e4066Sahrens * 2397fa9e4066Sahrens * -e Include error stats 23982e4c9986SGeorge Wilson * -m Include metaslab information 23992e4c9986SGeorge Wilson * -M Include metaslab group information 24002e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 2401fa9e4066Sahrens * 2402fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 2403c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 2404c5904d13Seschrock * iterating over the cache devices. 2405fa9e4066Sahrens */ 2406fa9e4066Sahrens /* ARGSUSED */ 2407fa9e4066Sahrens static int 2408fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2409fa9e4066Sahrens { 2410c5904d13Seschrock mdb_arg_t v[3]; 2411ec9f632eSEric Schrock int ret; 24122e4c9986SGeorge Wilson char opts[100] = "-r"; 24132e4c9986SGeorge Wilson int spa_flags = 0; 2414fa9e4066Sahrens 2415fa9e4066Sahrens if (mdb_getopts(argc, argv, 24162e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 24172e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 24182e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 24192e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 2420fa9e4066Sahrens NULL) != argc) 2421fa9e4066Sahrens return (DCMD_USAGE); 2422fa9e4066Sahrens 2423fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2424fa9e4066Sahrens return (DCMD_USAGE); 2425fa9e4066Sahrens 242622ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 242722ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 2428fa9e4066Sahrens return (DCMD_ERR); 2429fa9e4066Sahrens 2430088e9d47Seschrock /* 2431088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 2432088e9d47Seschrock */ 2433892ad162SToomas Soome if (spa.spa_root_vdev == 0) { 2434088e9d47Seschrock mdb_printf("no associated vdevs\n"); 2435088e9d47Seschrock return (DCMD_OK); 2436088e9d47Seschrock } 2437088e9d47Seschrock 24382e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 24392e4c9986SGeorge Wilson strcat(opts, "e"); 24402e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 24412e4c9986SGeorge Wilson strcat(opts, "m"); 24422e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 24432e4c9986SGeorge Wilson strcat(opts, "M"); 24442e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 24452e4c9986SGeorge Wilson strcat(opts, "h"); 24462e4c9986SGeorge Wilson 2447c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 24482e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 2449fa9e4066Sahrens 2450c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2451c5904d13Seschrock flags, 1, v); 2452c5904d13Seschrock if (ret != DCMD_OK) 2453c5904d13Seschrock return (ret); 2454c5904d13Seschrock 2455ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2456ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2457c5904d13Seschrock return (DCMD_ERR); 2458c5904d13Seschrock 2459c5904d13Seschrock return (DCMD_OK); 2460fa9e4066Sahrens } 2461fa9e4066Sahrens 2462ccae0b50Seschrock /* 2463ccae0b50Seschrock * ::zio 2464ccae0b50Seschrock * 2465ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2466ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2467ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2468ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2469ccae0b50Seschrock * 2470c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2471ccae0b50Seschrock * 2472ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2473ccae0b50Seschrock * descend down the tree. 2474ccae0b50Seschrock */ 2475fac3008cSeschrock 2476c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2477a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2478a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2479a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2480a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2481a3f829aeSBill Moore 2482a3f829aeSBill Moore typedef struct zio_print_args { 2483a3f829aeSBill Moore int zpa_current_depth; 2484a3f829aeSBill Moore int zpa_min_depth; 2485a3f829aeSBill Moore int zpa_max_depth; 2486a3f829aeSBill Moore int zpa_type; 2487a3f829aeSBill Moore uint_t zpa_flags; 2488a3f829aeSBill Moore } zio_print_args_t; 2489a3f829aeSBill Moore 249028e4da25SMatthew Ahrens typedef struct mdb_zio { 249128e4da25SMatthew Ahrens enum zio_type io_type; 249228e4da25SMatthew Ahrens enum zio_stage io_stage; 2493d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2494d5ee8a13SMatthew Ahrens uintptr_t io_spa; 249528e4da25SMatthew Ahrens struct { 249628e4da25SMatthew Ahrens struct { 2497d5ee8a13SMatthew Ahrens uintptr_t list_next; 249828e4da25SMatthew Ahrens } list_head; 249928e4da25SMatthew Ahrens } io_parent_list; 250028e4da25SMatthew Ahrens int io_error; 250128e4da25SMatthew Ahrens } mdb_zio_t; 250228e4da25SMatthew Ahrens 2503c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2504c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2505c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2506c55e05cbSMatthew Ahrens 2507a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2508fac3008cSeschrock 2509ccae0b50Seschrock static int 2510c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2511ccae0b50Seschrock { 2512ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2513a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2514ccae0b50Seschrock const char *type, *stage; 2515a3f829aeSBill Moore uintptr_t laddr; 2516c55e05cbSMatthew Ahrens mdb_zio_t zio; 2517c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2518c55e05cbSMatthew Ahrens 2519c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2520c55e05cbSMatthew Ahrens return (WALK_ERR); 2521c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2522c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2523ccae0b50Seschrock 2524a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2525a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2526ccae0b50Seschrock 2527ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2528ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2529ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2530ccae0b50Seschrock return (WALK_ERR); 2531ccae0b50Seschrock } 2532ccae0b50Seschrock 2533c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2534ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2535ccae0b50Seschrock else 2536ccae0b50Seschrock type = "?"; 2537ccae0b50Seschrock 2538c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2539c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 254028e4da25SMatthew Ahrens if (stage != NULL) 2541ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 2542ccae0b50Seschrock else 2543ccae0b50Seschrock stage = "?"; 254428e4da25SMatthew Ahrens } else { 254528e4da25SMatthew Ahrens stage = "FAILED"; 254628e4da25SMatthew Ahrens } 2547ccae0b50Seschrock 2548a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2549a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2550a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2551a3f829aeSBill Moore } else { 2552a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2553a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2554d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2555d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2556ccae0b50Seschrock else 2557c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2558c55e05cbSMatthew Ahrens #ifdef _KERNEL 2559c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2560c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2561c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2562c55e05cbSMatthew Ahrens 1000000); 2563c55e05cbSMatthew Ahrens } else { 2564c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2565c55e05cbSMatthew Ahrens } 2566c55e05cbSMatthew Ahrens #else 2567c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2568c55e05cbSMatthew Ahrens #endif 2569c55e05cbSMatthew Ahrens mdb_printf("\n"); 2570a3f829aeSBill Moore } 2571a3f829aeSBill Moore } 2572ccae0b50Seschrock 2573a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2574a3f829aeSBill Moore return (WALK_NEXT); 2575a3f829aeSBill Moore 2576a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 257728e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 257828e4da25SMatthew Ahrens "io_parent_list"); 2579a3f829aeSBill Moore else 258028e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 258128e4da25SMatthew Ahrens "io_child_list"); 2582a3f829aeSBill Moore 2583a3f829aeSBill Moore zpa->zpa_current_depth++; 2584a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2585a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2586a3f829aeSBill Moore return (WALK_ERR); 2587a3f829aeSBill Moore } 2588a3f829aeSBill Moore zpa->zpa_current_depth--; 2589a3f829aeSBill Moore 2590a3f829aeSBill Moore return (WALK_NEXT); 2591a3f829aeSBill Moore } 2592a3f829aeSBill Moore 2593a3f829aeSBill Moore /* ARGSUSED */ 2594a3f829aeSBill Moore static int 2595a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2596a3f829aeSBill Moore { 2597a3f829aeSBill Moore zio_link_t zl; 2598a3f829aeSBill Moore uintptr_t ziop; 2599a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2600a3f829aeSBill Moore 2601a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2602a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2603ccae0b50Seschrock return (WALK_ERR); 2604ccae0b50Seschrock } 2605ccae0b50Seschrock 2606a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2607a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2608a3f829aeSBill Moore else 2609a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2610a3f829aeSBill Moore 261169962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2612ccae0b50Seschrock } 2613ccae0b50Seschrock 2614ccae0b50Seschrock /* ARGSUSED */ 2615ccae0b50Seschrock static int 2616ccae0b50Seschrock zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2617ccae0b50Seschrock { 2618a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2619ccae0b50Seschrock 2620ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2621ccae0b50Seschrock return (DCMD_USAGE); 2622ccae0b50Seschrock 2623a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2624a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2625a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2626a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2627a3f829aeSBill Moore NULL) != argc) 2628a3f829aeSBill Moore return (DCMD_USAGE); 2629a3f829aeSBill Moore 2630a3f829aeSBill Moore zpa.zpa_flags = flags; 2631a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2632a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2633a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2634a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2635a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2636a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2637a3f829aeSBill Moore } 2638a3f829aeSBill Moore 2639c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2640c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2641c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2642c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2643c55e05cbSMatthew Ahrens } 2644ccae0b50Seschrock 2645c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2646ccae0b50Seschrock return (DCMD_ERR); 2647ccae0b50Seschrock 2648ccae0b50Seschrock return (DCMD_OK); 2649ccae0b50Seschrock } 2650ccae0b50Seschrock 2651ccae0b50Seschrock /* 2652ccae0b50Seschrock * [addr]::zio_state 2653ccae0b50Seschrock * 2654ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2655ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2656ccae0b50Seschrock */ 2657ccae0b50Seschrock /*ARGSUSED*/ 2658ccae0b50Seschrock static int 2659ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2660ccae0b50Seschrock { 2661ccae0b50Seschrock /* 2662ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2663ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2664ccae0b50Seschrock * non-existent spa_t. 2665ccae0b50Seschrock */ 2666ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2667ccae0b50Seschrock addr = 0; 2668ccae0b50Seschrock 2669ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2670ccae0b50Seschrock } 2671ccae0b50Seschrock 2672dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2673dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2674dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2675dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2676dcbf3bd6SGeorge Wilson 2677dcbf3bd6SGeorge Wilson typedef struct multilist_walk_data { 2678dcbf3bd6SGeorge Wilson uint64_t mwd_idx; 2679dcbf3bd6SGeorge Wilson mdb_multilist_t mwd_ml; 2680dcbf3bd6SGeorge Wilson } multilist_walk_data_t; 2681dcbf3bd6SGeorge Wilson 2682dcbf3bd6SGeorge Wilson /* ARGSUSED */ 2683dcbf3bd6SGeorge Wilson static int 2684dcbf3bd6SGeorge Wilson multilist_print_cb(uintptr_t addr, const void *unknown, void *arg) 2685dcbf3bd6SGeorge Wilson { 2686dcbf3bd6SGeorge Wilson mdb_printf("%#lr\n", addr); 2687dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2688dcbf3bd6SGeorge Wilson } 2689dcbf3bd6SGeorge Wilson 2690dcbf3bd6SGeorge Wilson static int 2691dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2692dcbf3bd6SGeorge Wilson { 2693dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd = wsp->walk_data; 2694dcbf3bd6SGeorge Wilson 2695dcbf3bd6SGeorge Wilson if (mwd->mwd_idx >= mwd->mwd_ml.ml_num_sublists) 2696dcbf3bd6SGeorge Wilson return (WALK_DONE); 2697dcbf3bd6SGeorge Wilson 2698dcbf3bd6SGeorge Wilson wsp->walk_addr = mwd->mwd_ml.ml_sublists + 2699dcbf3bd6SGeorge Wilson mdb_ctf_sizeof_by_name("multilist_sublist_t") * mwd->mwd_idx + 2700dcbf3bd6SGeorge Wilson mdb_ctf_offsetof_by_name("multilist_sublist_t", "mls_list"); 2701dcbf3bd6SGeorge Wilson 2702dcbf3bd6SGeorge Wilson mdb_pwalk("list", multilist_print_cb, (void*)NULL, wsp->walk_addr); 2703dcbf3bd6SGeorge Wilson mwd->mwd_idx++; 2704dcbf3bd6SGeorge Wilson 2705dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2706dcbf3bd6SGeorge Wilson } 2707dcbf3bd6SGeorge Wilson 2708dcbf3bd6SGeorge Wilson static int 2709dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2710dcbf3bd6SGeorge Wilson { 2711dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd; 2712dcbf3bd6SGeorge Wilson 2713892ad162SToomas Soome if (wsp->walk_addr == 0) { 2714dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2715dcbf3bd6SGeorge Wilson return (WALK_ERR); 2716dcbf3bd6SGeorge Wilson } 2717dcbf3bd6SGeorge Wilson 2718dcbf3bd6SGeorge Wilson mwd = mdb_zalloc(sizeof (multilist_walk_data_t), UM_SLEEP | UM_GC); 2719dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&mwd->mwd_ml, "multilist_t", "mdb_multilist_t", 2720dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2721dcbf3bd6SGeorge Wilson return (WALK_ERR); 2722dcbf3bd6SGeorge Wilson } 2723dcbf3bd6SGeorge Wilson 2724dcbf3bd6SGeorge Wilson if (mwd->mwd_ml.ml_num_sublists == 0 || 2725892ad162SToomas Soome mwd->mwd_ml.ml_sublists == 0) { 2726dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2727dcbf3bd6SGeorge Wilson wsp->walk_addr); 2728dcbf3bd6SGeorge Wilson return (WALK_ERR); 2729dcbf3bd6SGeorge Wilson } 2730dcbf3bd6SGeorge Wilson 2731dcbf3bd6SGeorge Wilson wsp->walk_data = mwd; 2732dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2733dcbf3bd6SGeorge Wilson } 2734dcbf3bd6SGeorge Wilson 27351393933cSJason King typedef struct mdb_txg_list { 27361393933cSJason King size_t tl_offset; 27371393933cSJason King uintptr_t tl_head[TXG_SIZE]; 27381393933cSJason King } mdb_txg_list_t; 27391393933cSJason King 2740fa9e4066Sahrens typedef struct txg_list_walk_data { 2741fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2742fa9e4066Sahrens int lw_txgoff; 2743fa9e4066Sahrens int lw_maxoff; 2744fa9e4066Sahrens size_t lw_offset; 2745fa9e4066Sahrens void *lw_obj; 2746fa9e4066Sahrens } txg_list_walk_data_t; 2747fa9e4066Sahrens 2748fa9e4066Sahrens static int 2749fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2750fa9e4066Sahrens { 2751fa9e4066Sahrens txg_list_walk_data_t *lwd; 27521393933cSJason King mdb_txg_list_t list; 2753fa9e4066Sahrens int i; 2754fa9e4066Sahrens 2755fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 27561393933cSJason King if (mdb_ctf_vread(&list, "txg_list_t", "mdb_txg_list_t", wsp->walk_addr, 27571393933cSJason King 0) == -1) { 2758fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2759fa9e4066Sahrens return (WALK_ERR); 2760fa9e4066Sahrens } 2761fa9e4066Sahrens 2762fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 27631393933cSJason King lwd->lw_head[i] = list.tl_head[i]; 2764fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2765fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2766fa9e4066Sahrens UM_SLEEP | UM_GC); 2767fa9e4066Sahrens lwd->lw_txgoff = txg; 2768fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2769fa9e4066Sahrens 2770fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2771fa9e4066Sahrens wsp->walk_data = lwd; 2772fa9e4066Sahrens 2773fa9e4066Sahrens return (WALK_NEXT); 2774fa9e4066Sahrens } 2775fa9e4066Sahrens 2776fa9e4066Sahrens static int 2777fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2778fa9e4066Sahrens { 2779fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2780fa9e4066Sahrens } 2781fa9e4066Sahrens 2782fa9e4066Sahrens static int 2783fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2784fa9e4066Sahrens { 2785fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2786fa9e4066Sahrens } 2787fa9e4066Sahrens 2788fa9e4066Sahrens static int 2789fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2790fa9e4066Sahrens { 2791fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2792fa9e4066Sahrens } 2793fa9e4066Sahrens 2794fa9e4066Sahrens static int 2795fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2796fa9e4066Sahrens { 2797fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2798fa9e4066Sahrens } 2799fa9e4066Sahrens 2800fa9e4066Sahrens static int 2801fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2802fa9e4066Sahrens { 2803fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2804fa9e4066Sahrens } 2805fa9e4066Sahrens 2806fa9e4066Sahrens static int 2807fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2808fa9e4066Sahrens { 2809fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2810fa9e4066Sahrens uintptr_t addr; 2811fa9e4066Sahrens txg_node_t *node; 2812fa9e4066Sahrens int status; 2813fa9e4066Sahrens 2814892ad162SToomas Soome while (wsp->walk_addr == 0 && lwd->lw_txgoff < lwd->lw_maxoff) { 2815fa9e4066Sahrens lwd->lw_txgoff++; 2816fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2817fa9e4066Sahrens } 2818fa9e4066Sahrens 2819892ad162SToomas Soome if (wsp->walk_addr == 0) 2820fa9e4066Sahrens return (WALK_DONE); 2821fa9e4066Sahrens 2822fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2823fa9e4066Sahrens 2824fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2825fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2826fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2827fa9e4066Sahrens return (WALK_ERR); 2828fa9e4066Sahrens } 2829fa9e4066Sahrens 2830fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2831fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2832fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2833fa9e4066Sahrens 2834fa9e4066Sahrens return (status); 2835fa9e4066Sahrens } 2836fa9e4066Sahrens 2837fa9e4066Sahrens /* 2838fa9e4066Sahrens * ::walk spa 2839fa9e4066Sahrens * 2840fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2841fa9e4066Sahrens * a layered avl walk. 2842fa9e4066Sahrens */ 2843fa9e4066Sahrens static int 2844fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2845fa9e4066Sahrens { 2846fa9e4066Sahrens GElf_Sym sym; 2847fa9e4066Sahrens 2848892ad162SToomas Soome if (wsp->walk_addr != 0) { 2849fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2850fa9e4066Sahrens return (WALK_ERR); 2851fa9e4066Sahrens } 2852fa9e4066Sahrens 2853fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2854fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2855fa9e4066Sahrens return (WALK_ERR); 2856fa9e4066Sahrens } 2857fa9e4066Sahrens 2858fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2859fa9e4066Sahrens 2860fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2861fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2862fa9e4066Sahrens return (WALK_ERR); 2863fa9e4066Sahrens } 2864fa9e4066Sahrens 2865fa9e4066Sahrens return (WALK_NEXT); 2866fa9e4066Sahrens } 2867fa9e4066Sahrens 2868fa9e4066Sahrens static int 2869fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2870fa9e4066Sahrens { 287122ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2872fa9e4066Sahrens } 2873fa9e4066Sahrens 2874fa9e4066Sahrens /* 2875ccae0b50Seschrock * [addr]::walk zio 2876ccae0b50Seschrock * 2877ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2878ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2879ccae0b50Seschrock * structures to a particular pool. 2880ccae0b50Seschrock */ 2881ccae0b50Seschrock static int 2882ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2883ccae0b50Seschrock { 2884dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2885ccae0b50Seschrock 2886ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2887ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2888ccae0b50Seschrock return (WALK_ERR); 2889ccae0b50Seschrock } 2890ccae0b50Seschrock 2891ccae0b50Seschrock return (WALK_NEXT); 2892ccae0b50Seschrock } 2893ccae0b50Seschrock 2894ccae0b50Seschrock static int 2895ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2896ccae0b50Seschrock { 289728e4da25SMatthew Ahrens mdb_zio_t zio; 2898dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2899ccae0b50Seschrock 290028e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 290128e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2902ccae0b50Seschrock return (WALK_ERR); 2903ccae0b50Seschrock 2904dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2905ccae0b50Seschrock return (WALK_NEXT); 2906ccae0b50Seschrock 2907ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2908ccae0b50Seschrock } 2909ccae0b50Seschrock 2910ccae0b50Seschrock /* 2911ccae0b50Seschrock * [addr]::walk zio_root 2912ccae0b50Seschrock * 2913ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2914ccae0b50Seschrock */ 2915ccae0b50Seschrock static int 2916ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2917ccae0b50Seschrock { 291828e4da25SMatthew Ahrens mdb_zio_t zio; 2919dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2920ccae0b50Seschrock 292128e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 292228e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2923ccae0b50Seschrock return (WALK_ERR); 2924ccae0b50Seschrock 2925dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2926ccae0b50Seschrock return (WALK_NEXT); 2927ccae0b50Seschrock 2928a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2929d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 293028e4da25SMatthew Ahrens wsp->walk_addr + 293128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 293228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2933ccae0b50Seschrock return (WALK_NEXT); 2934ccae0b50Seschrock 2935ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2936ccae0b50Seschrock } 2937ccae0b50Seschrock 293888b7b0f2SMatthew Ahrens /* 293988b7b0f2SMatthew Ahrens * ::zfs_blkstats 294088b7b0f2SMatthew Ahrens * 294188b7b0f2SMatthew Ahrens * -v print verbose per-level information 294288b7b0f2SMatthew Ahrens * 294388b7b0f2SMatthew Ahrens */ 294488b7b0f2SMatthew Ahrens static int 294588b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 294688b7b0f2SMatthew Ahrens { 294788b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 294888b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 294988b7b0f2SMatthew Ahrens dmu_object_type_t t; 295088b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 295188b7b0f2SMatthew Ahrens uint64_t ditto; 295288b7b0f2SMatthew Ahrens 295388b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 295488b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 295588b7b0f2SMatthew Ahrens NULL) != argc) 295688b7b0f2SMatthew Ahrens return (DCMD_USAGE); 295788b7b0f2SMatthew Ahrens 295888b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 295988b7b0f2SMatthew Ahrens return (DCMD_USAGE); 296088b7b0f2SMatthew Ahrens 296128e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 296228e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 296388b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 296488b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 296588b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 296688b7b0f2SMatthew Ahrens return (DCMD_ERR); 296788b7b0f2SMatthew Ahrens } 296888b7b0f2SMatthew Ahrens 2969ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 297088b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 297188b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 297288b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 297388b7b0f2SMatthew Ahrens } 297488b7b0f2SMatthew Ahrens 297588b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 297688b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 297788b7b0f2SMatthew Ahrens if (ditto != 0) { 297888b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 297988b7b0f2SMatthew Ahrens (longlong_t)ditto); 298088b7b0f2SMatthew Ahrens } 298188b7b0f2SMatthew Ahrens 298288b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 298388b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 298488b7b0f2SMatthew Ahrens 2985ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 2986d70f65dfSToomas Soome char csize[MDB_NICENUM_BUFLEN], lsize[MDB_NICENUM_BUFLEN]; 2987d70f65dfSToomas Soome char psize[MDB_NICENUM_BUFLEN], asize[MDB_NICENUM_BUFLEN]; 2988d70f65dfSToomas Soome char avg[MDB_NICENUM_BUFLEN]; 2989d70f65dfSToomas Soome char comp[MDB_NICENUM_BUFLEN], pct[MDB_NICENUM_BUFLEN]; 299088b7b0f2SMatthew Ahrens char typename[64]; 299188b7b0f2SMatthew Ahrens int l; 299288b7b0f2SMatthew Ahrens 299388b7b0f2SMatthew Ahrens 299488b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 299588b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2996ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2997ad135b5dSChristopher Siden strcpy(typename, "other"); 299888b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 299988b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 3000eb633035STom Caputi else if (enum_lookup("enum dmu_object_type", 3001eb633035STom Caputi t, "DMU_OT_", sizeof (typename), typename) == -1) { 300288b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 300388b7b0f2SMatthew Ahrens return (DCMD_ERR); 300488b7b0f2SMatthew Ahrens } 300588b7b0f2SMatthew Ahrens 300688b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 300788b7b0f2SMatthew Ahrens continue; 300888b7b0f2SMatthew Ahrens 300988b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 301088b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 301188b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 301288b7b0f2SMatthew Ahrens 301388b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 301488b7b0f2SMatthew Ahrens continue; 301588b7b0f2SMatthew Ahrens 301688b7b0f2SMatthew Ahrens /* 301788b7b0f2SMatthew Ahrens * Don't print each level unless requested. 301888b7b0f2SMatthew Ahrens */ 301988b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 302088b7b0f2SMatthew Ahrens continue; 302188b7b0f2SMatthew Ahrens 302288b7b0f2SMatthew Ahrens /* 302388b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 302488b7b0f2SMatthew Ahrens * level 0 separately. 302588b7b0f2SMatthew Ahrens */ 302688b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 302788b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 302888b7b0f2SMatthew Ahrens continue; 302988b7b0f2SMatthew Ahrens 303088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 303188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 303288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 303388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 303488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 3035d70f65dfSToomas Soome (void) mdb_snprintfrac(comp, MDB_NICENUM_BUFLEN, 3036ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 3037d70f65dfSToomas Soome (void) mdb_snprintfrac(pct, MDB_NICENUM_BUFLEN, 3038ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 303988b7b0f2SMatthew Ahrens 304088b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 304188b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 304288b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 304388b7b0f2SMatthew Ahrens 304488b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 304588b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 304688b7b0f2SMatthew Ahrens else 304788b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 304888b7b0f2SMatthew Ahrens level, typename); 304988b7b0f2SMatthew Ahrens } 305088b7b0f2SMatthew Ahrens } 305188b7b0f2SMatthew Ahrens 305288b7b0f2SMatthew Ahrens return (DCMD_OK); 305388b7b0f2SMatthew Ahrens } 305488b7b0f2SMatthew Ahrens 3055d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 3056d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 3057d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 3058d5ee8a13SMatthew Ahrens uint64_t ref_number; 3059d5ee8a13SMatthew Ahrens } mdb_reference_t; 3060d5ee8a13SMatthew Ahrens 30619966ca11SMatthew Ahrens /* ARGSUSED */ 30629966ca11SMatthew Ahrens static int 30639966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 30649966ca11SMatthew Ahrens { 3065d5ee8a13SMatthew Ahrens mdb_reference_t ref; 30663f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 30679966ca11SMatthew Ahrens char holder_str[128]; 30689966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 30699966ca11SMatthew Ahrens 3070d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 3071d5ee8a13SMatthew Ahrens 0) == -1) 3072d5ee8a13SMatthew Ahrens return (DCMD_ERR); 30739966ca11SMatthew Ahrens 3074d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 3075d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 30763f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 30779966ca11SMatthew Ahrens 30789966ca11SMatthew Ahrens if (removed) 30799966ca11SMatthew Ahrens mdb_printf("removed "); 30809966ca11SMatthew Ahrens mdb_printf("reference "); 3081d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 3082d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 3083d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 30849966ca11SMatthew Ahrens if (holder_is_str) 30859966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 30869966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 30879966ca11SMatthew Ahrens 30889966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 30899966ca11SMatthew Ahrens 30909966ca11SMatthew Ahrens if (removed) { 30919966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 3092d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 30939966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 30949966ca11SMatthew Ahrens } 30959966ca11SMatthew Ahrens 30969966ca11SMatthew Ahrens mdb_printf("\n"); 30979966ca11SMatthew Ahrens 30989966ca11SMatthew Ahrens return (WALK_NEXT); 30999966ca11SMatthew Ahrens } 31009966ca11SMatthew Ahrens 3101*0dd73f50SJason King typedef struct mdb_zfs_refcount { 3102d5ee8a13SMatthew Ahrens uint64_t rc_count; 3103*0dd73f50SJason King } mdb_zfs_refcount_t; 3104d5ee8a13SMatthew Ahrens 3105*0dd73f50SJason King typedef struct mdb_zfs_refcount_removed { 3106d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 3107*0dd73f50SJason King } mdb_zfs_refcount_removed_t; 3108d5ee8a13SMatthew Ahrens 3109*0dd73f50SJason King typedef struct mdb_zfs_refcount_tracked { 3110d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 3111*0dd73f50SJason King } mdb_zfs_refcount_tracked_t; 3112d5ee8a13SMatthew Ahrens 31139966ca11SMatthew Ahrens /* ARGSUSED */ 31149966ca11SMatthew Ahrens static int 3115*0dd73f50SJason King zfs_refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 31169966ca11SMatthew Ahrens { 3117*0dd73f50SJason King mdb_zfs_refcount_t rc; 3118*0dd73f50SJason King mdb_zfs_refcount_removed_t rcr; 3119*0dd73f50SJason King mdb_zfs_refcount_tracked_t rct; 3120d5ee8a13SMatthew Ahrens int off; 312128e4da25SMatthew Ahrens boolean_t released = B_FALSE; 31229966ca11SMatthew Ahrens 31239966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 31249966ca11SMatthew Ahrens return (DCMD_USAGE); 31259966ca11SMatthew Ahrens 312628e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 312728e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 312828e4da25SMatthew Ahrens NULL) != argc) 312928e4da25SMatthew Ahrens return (DCMD_USAGE); 313028e4da25SMatthew Ahrens 3131*0dd73f50SJason King if (mdb_ctf_vread(&rc, "zfs_refcount_t", "mdb_zfs_refcount_t", addr, 3132d5ee8a13SMatthew Ahrens 0) == -1) 31339966ca11SMatthew Ahrens return (DCMD_ERR); 31349966ca11SMatthew Ahrens 3135*0dd73f50SJason King if (mdb_ctf_vread(&rcr, "zfs_refcount_t", "mdb_zfs_refcount_removed_t", 3136*0dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 3137*0dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu holds (untracked)\n", 3138d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 313928e4da25SMatthew Ahrens return (DCMD_OK); 314028e4da25SMatthew Ahrens } 314128e4da25SMatthew Ahrens 3142*0dd73f50SJason King if (mdb_ctf_vread(&rct, "zfs_refcount_t", "mdb_zfs_refcount_tracked_t", 3143*0dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 3144d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 3145d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 3146d5ee8a13SMatthew Ahrens } 3147d5ee8a13SMatthew Ahrens 3148*0dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu current holds, " 31499966ca11SMatthew Ahrens "%llu recently released holds\n", 3150d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 31519966ca11SMatthew Ahrens 3152d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 31539966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 3154*0dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_list"); 3155d5ee8a13SMatthew Ahrens if (off == -1) 31569966ca11SMatthew Ahrens return (DCMD_ERR); 3157d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 31589966ca11SMatthew Ahrens 3159d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 31609966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 3161d5ee8a13SMatthew Ahrens 3162*0dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_removed"); 3163d5ee8a13SMatthew Ahrens if (off == -1) 31649966ca11SMatthew Ahrens return (DCMD_ERR); 3165421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 316628e4da25SMatthew Ahrens } 31679966ca11SMatthew Ahrens 31689966ca11SMatthew Ahrens return (DCMD_OK); 31699966ca11SMatthew Ahrens } 31709966ca11SMatthew Ahrens 31710a586ceaSMark Shellenbaum /* ARGSUSED */ 31720a586ceaSMark Shellenbaum static int 31730a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 31740a586ceaSMark Shellenbaum { 31750a586ceaSMark Shellenbaum sa_attr_table_t *table; 31760a586ceaSMark Shellenbaum sa_os_t sa_os; 31770a586ceaSMark Shellenbaum char *name; 31780a586ceaSMark Shellenbaum int i; 31790a586ceaSMark Shellenbaum 31800a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 31810a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 31820a586ceaSMark Shellenbaum return (DCMD_ERR); 31830a586ceaSMark Shellenbaum } 31840a586ceaSMark Shellenbaum 31850a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 31860a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 31870a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 31880a586ceaSMark Shellenbaum 31890a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 31900a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 31910a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 31920a586ceaSMark Shellenbaum return (DCMD_ERR); 31930a586ceaSMark Shellenbaum } 31940a586ceaSMark Shellenbaum 31950a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 31960a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 31970a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 31980a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 31990a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 32000a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 32010a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 32020a586ceaSMark Shellenbaum } 32030a586ceaSMark Shellenbaum 32040a586ceaSMark Shellenbaum return (DCMD_OK); 32050a586ceaSMark Shellenbaum } 32060a586ceaSMark Shellenbaum 32070a586ceaSMark Shellenbaum static int 32080a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 32090a586ceaSMark Shellenbaum { 32100a586ceaSMark Shellenbaum uintptr_t idx_table; 32110a586ceaSMark Shellenbaum 321228e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 32130a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 32140a586ceaSMark Shellenbaum return (-1); 32150a586ceaSMark Shellenbaum } 32160a586ceaSMark Shellenbaum 32170a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 32180a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 32190a586ceaSMark Shellenbaum 32200a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 32210a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 32220a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 32230a586ceaSMark Shellenbaum return (-1); 32240a586ceaSMark Shellenbaum } 32250a586ceaSMark Shellenbaum 32260a586ceaSMark Shellenbaum return (DCMD_OK); 32270a586ceaSMark Shellenbaum } 32280a586ceaSMark Shellenbaum 32290a586ceaSMark Shellenbaum /*ARGSUSED*/ 32300a586ceaSMark Shellenbaum static int 32310a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 32320a586ceaSMark Shellenbaum { 32330a586ceaSMark Shellenbaum uint32_t *offset_tab; 32340a586ceaSMark Shellenbaum int attr_count; 32350a586ceaSMark Shellenbaum uint64_t attr_id; 32360a586ceaSMark Shellenbaum uintptr_t attr_addr; 32370a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 32380a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 32390a586ceaSMark Shellenbaum uintptr_t os, os_sa; 32400a586ceaSMark Shellenbaum uintptr_t db_data; 32410a586ceaSMark Shellenbaum 32420a586ceaSMark Shellenbaum if (argc != 1) 32430a586ceaSMark Shellenbaum return (DCMD_USAGE); 32440a586ceaSMark Shellenbaum 32450a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 32460a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 32470a586ceaSMark Shellenbaum else 32480a586ceaSMark Shellenbaum return (DCMD_USAGE); 32490a586ceaSMark Shellenbaum 325028e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 325128e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 325228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 325328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 325428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 32550a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 32560a586ceaSMark Shellenbaum "in sa_handle\n"); 32570a586ceaSMark Shellenbaum return (DCMD_ERR); 32580a586ceaSMark Shellenbaum } 32590a586ceaSMark Shellenbaum 326028e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 32610a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 32620a586ceaSMark Shellenbaum return (DCMD_ERR); 32630a586ceaSMark Shellenbaum } 32640a586ceaSMark Shellenbaum 326528e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 32660a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 32670a586ceaSMark Shellenbaum return (DCMD_ERR); 32680a586ceaSMark Shellenbaum } 32690a586ceaSMark Shellenbaum 32700a586ceaSMark Shellenbaum if (attr_id > attr_count) { 32710a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 32720a586ceaSMark Shellenbaum return (DCMD_ERR); 32730a586ceaSMark Shellenbaum } 32740a586ceaSMark Shellenbaum 32750a586ceaSMark Shellenbaum if (bonus_tab) { 32760a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 32770a586ceaSMark Shellenbaum attr_count) == -1) { 32780a586ceaSMark Shellenbaum return (DCMD_ERR); 32790a586ceaSMark Shellenbaum } 32800a586ceaSMark Shellenbaum 328128e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 32820a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 32830a586ceaSMark Shellenbaum return (DCMD_ERR); 32840a586ceaSMark Shellenbaum } 32850a586ceaSMark Shellenbaum } 32860a586ceaSMark Shellenbaum 32870a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 3288892ad162SToomas Soome spill_tab == 0) { 32890a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 32900a586ceaSMark Shellenbaum return (DCMD_ERR); 32910a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 32920a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 32930a586ceaSMark Shellenbaum attr_count) == -1) { 32940a586ceaSMark Shellenbaum return (DCMD_ERR); 32950a586ceaSMark Shellenbaum } 329628e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 32970a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 32980a586ceaSMark Shellenbaum return (DCMD_ERR); 32990a586ceaSMark Shellenbaum } 33000a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 33010a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 33020a586ceaSMark Shellenbaum return (DCMD_ERR); 33030a586ceaSMark Shellenbaum } 33040a586ceaSMark Shellenbaum } 33050a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 33060a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 33070a586ceaSMark Shellenbaum return (DCMD_OK); 33080a586ceaSMark Shellenbaum } 33090a586ceaSMark Shellenbaum 33100a586ceaSMark Shellenbaum /* ARGSUSED */ 33110a586ceaSMark Shellenbaum static int 33120a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 33130a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 33140a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 33150a586ceaSMark Shellenbaum { 33160a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 33170a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 33180a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 33190a586ceaSMark Shellenbaum 33200a586ceaSMark Shellenbaum if (!verbose) { 33210a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 33220a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 33230a586ceaSMark Shellenbaum return (DCMD_OK); 33240a586ceaSMark Shellenbaum } 33250a586ceaSMark Shellenbaum 33260a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 33270a586ceaSMark Shellenbaum case ACE_OWNER: 33280a586ceaSMark Shellenbaum mdb_printf("owner@:"); 33290a586ceaSMark Shellenbaum break; 33300a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 33310a586ceaSMark Shellenbaum mdb_printf("group@:"); 33320a586ceaSMark Shellenbaum break; 33330a586ceaSMark Shellenbaum case ACE_EVERYONE: 33340a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 33350a586ceaSMark Shellenbaum break; 33360a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 33370a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 33380a586ceaSMark Shellenbaum break; 33390a586ceaSMark Shellenbaum case 0: /* User entry */ 33400a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 33410a586ceaSMark Shellenbaum break; 33420a586ceaSMark Shellenbaum } 33430a586ceaSMark Shellenbaum 33440a586ceaSMark Shellenbaum /* print out permission mask */ 33450a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 33460a586ceaSMark Shellenbaum mdb_printf("r"); 33470a586ceaSMark Shellenbaum else 33480a586ceaSMark Shellenbaum mdb_printf("-"); 33490a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 33500a586ceaSMark Shellenbaum mdb_printf("w"); 33510a586ceaSMark Shellenbaum else 33520a586ceaSMark Shellenbaum mdb_printf("-"); 33530a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 33540a586ceaSMark Shellenbaum mdb_printf("x"); 33550a586ceaSMark Shellenbaum else 33560a586ceaSMark Shellenbaum mdb_printf("-"); 33570a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 33580a586ceaSMark Shellenbaum mdb_printf("p"); 33590a586ceaSMark Shellenbaum else 33600a586ceaSMark Shellenbaum mdb_printf("-"); 33610a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 33620a586ceaSMark Shellenbaum mdb_printf("d"); 33630a586ceaSMark Shellenbaum else 33640a586ceaSMark Shellenbaum mdb_printf("-"); 33650a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 33660a586ceaSMark Shellenbaum mdb_printf("D"); 33670a586ceaSMark Shellenbaum else 33680a586ceaSMark Shellenbaum mdb_printf("-"); 33690a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 33700a586ceaSMark Shellenbaum mdb_printf("a"); 33710a586ceaSMark Shellenbaum else 33720a586ceaSMark Shellenbaum mdb_printf("-"); 33730a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 33740a586ceaSMark Shellenbaum mdb_printf("A"); 33750a586ceaSMark Shellenbaum else 33760a586ceaSMark Shellenbaum mdb_printf("-"); 33770a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 33780a586ceaSMark Shellenbaum mdb_printf("R"); 33790a586ceaSMark Shellenbaum else 33800a586ceaSMark Shellenbaum mdb_printf("-"); 33810a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 33820a586ceaSMark Shellenbaum mdb_printf("W"); 33830a586ceaSMark Shellenbaum else 33840a586ceaSMark Shellenbaum mdb_printf("-"); 33850a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 33860a586ceaSMark Shellenbaum mdb_printf("c"); 33870a586ceaSMark Shellenbaum else 33880a586ceaSMark Shellenbaum mdb_printf("-"); 33890a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 33900a586ceaSMark Shellenbaum mdb_printf("C"); 33910a586ceaSMark Shellenbaum else 33920a586ceaSMark Shellenbaum mdb_printf("-"); 33930a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 33940a586ceaSMark Shellenbaum mdb_printf("o"); 33950a586ceaSMark Shellenbaum else 33960a586ceaSMark Shellenbaum mdb_printf("-"); 33970a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 33980a586ceaSMark Shellenbaum mdb_printf("s"); 33990a586ceaSMark Shellenbaum else 34000a586ceaSMark Shellenbaum mdb_printf("-"); 34010a586ceaSMark Shellenbaum 34020a586ceaSMark Shellenbaum mdb_printf(":"); 34030a586ceaSMark Shellenbaum 34040a586ceaSMark Shellenbaum /* Print out inheritance flags */ 34050a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 34060a586ceaSMark Shellenbaum mdb_printf("f"); 34070a586ceaSMark Shellenbaum else 34080a586ceaSMark Shellenbaum mdb_printf("-"); 34090a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 34100a586ceaSMark Shellenbaum mdb_printf("d"); 34110a586ceaSMark Shellenbaum else 34120a586ceaSMark Shellenbaum mdb_printf("-"); 34130a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 34140a586ceaSMark Shellenbaum mdb_printf("i"); 34150a586ceaSMark Shellenbaum else 34160a586ceaSMark Shellenbaum mdb_printf("-"); 34170a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 34180a586ceaSMark Shellenbaum mdb_printf("n"); 34190a586ceaSMark Shellenbaum else 34200a586ceaSMark Shellenbaum mdb_printf("-"); 34210a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 34220a586ceaSMark Shellenbaum mdb_printf("S"); 34230a586ceaSMark Shellenbaum else 34240a586ceaSMark Shellenbaum mdb_printf("-"); 34250a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 34260a586ceaSMark Shellenbaum mdb_printf("F"); 34270a586ceaSMark Shellenbaum else 34280a586ceaSMark Shellenbaum mdb_printf("-"); 34290a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 34300a586ceaSMark Shellenbaum mdb_printf("I"); 34310a586ceaSMark Shellenbaum else 34320a586ceaSMark Shellenbaum mdb_printf("-"); 34330a586ceaSMark Shellenbaum 34340a586ceaSMark Shellenbaum switch (ace_type) { 34350a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 34360a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 34370a586ceaSMark Shellenbaum break; 34380a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 34390a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 34400a586ceaSMark Shellenbaum break; 34410a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 34420a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 34430a586ceaSMark Shellenbaum break; 34440a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 34450a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 34460a586ceaSMark Shellenbaum break; 34470a586ceaSMark Shellenbaum default: 34480a586ceaSMark Shellenbaum mdb_printf(":?\n"); 34490a586ceaSMark Shellenbaum } 34500a586ceaSMark Shellenbaum return (DCMD_OK); 34510a586ceaSMark Shellenbaum } 34520a586ceaSMark Shellenbaum 34530a586ceaSMark Shellenbaum /* ARGSUSED */ 34540a586ceaSMark Shellenbaum static int 34550a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 34560a586ceaSMark Shellenbaum { 34570a586ceaSMark Shellenbaum zfs_ace_t zace; 34580a586ceaSMark Shellenbaum int verbose = FALSE; 34590a586ceaSMark Shellenbaum uint64_t id; 34600a586ceaSMark Shellenbaum 34610a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 34620a586ceaSMark Shellenbaum return (DCMD_USAGE); 34630a586ceaSMark Shellenbaum 34640a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 34650a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 34660a586ceaSMark Shellenbaum return (DCMD_USAGE); 34670a586ceaSMark Shellenbaum 34680a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 34690a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 34700a586ceaSMark Shellenbaum return (DCMD_ERR); 34710a586ceaSMark Shellenbaum } 34720a586ceaSMark Shellenbaum 34730a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 34740a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 34750a586ceaSMark Shellenbaum id = zace.z_fuid; 34760a586ceaSMark Shellenbaum else 34770a586ceaSMark Shellenbaum id = -1; 34780a586ceaSMark Shellenbaum 34790a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 34800a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 34810a586ceaSMark Shellenbaum } 34820a586ceaSMark Shellenbaum 34830a586ceaSMark Shellenbaum /* ARGSUSED */ 34840a586ceaSMark Shellenbaum static int 34850a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 34860a586ceaSMark Shellenbaum { 34870a586ceaSMark Shellenbaum ace_t ace; 34880a586ceaSMark Shellenbaum uint64_t id; 34890a586ceaSMark Shellenbaum int verbose = FALSE; 34900a586ceaSMark Shellenbaum 34910a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 34920a586ceaSMark Shellenbaum return (DCMD_USAGE); 34930a586ceaSMark Shellenbaum 34940a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 34950a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 34960a586ceaSMark Shellenbaum return (DCMD_USAGE); 34970a586ceaSMark Shellenbaum 34980a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 34990a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 35000a586ceaSMark Shellenbaum return (DCMD_ERR); 35010a586ceaSMark Shellenbaum } 35020a586ceaSMark Shellenbaum 35030a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 35040a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 35050a586ceaSMark Shellenbaum id = ace.a_who; 35060a586ceaSMark Shellenbaum else 35070a586ceaSMark Shellenbaum id = -1; 35080a586ceaSMark Shellenbaum 35090a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 35100a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 35110a586ceaSMark Shellenbaum } 35120a586ceaSMark Shellenbaum 35130a586ceaSMark Shellenbaum typedef struct acl_dump_args { 35140a586ceaSMark Shellenbaum int a_argc; 35150a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 35160a586ceaSMark Shellenbaum uint16_t a_version; 35170a586ceaSMark Shellenbaum int a_flags; 35180a586ceaSMark Shellenbaum } acl_dump_args_t; 35190a586ceaSMark Shellenbaum 35200a586ceaSMark Shellenbaum /* ARGSUSED */ 35210a586ceaSMark Shellenbaum static int 35220a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 35230a586ceaSMark Shellenbaum { 35240a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 35250a586ceaSMark Shellenbaum 35260a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 35270a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 35280a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 35290a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 35300a586ceaSMark Shellenbaum return (WALK_ERR); 35310a586ceaSMark Shellenbaum } 35320a586ceaSMark Shellenbaum } else { 35330a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 35340a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 35350a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 35360a586ceaSMark Shellenbaum return (WALK_ERR); 35370a586ceaSMark Shellenbaum } 35380a586ceaSMark Shellenbaum } 35390a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 35400a586ceaSMark Shellenbaum return (WALK_NEXT); 35410a586ceaSMark Shellenbaum } 35420a586ceaSMark Shellenbaum 35430a586ceaSMark Shellenbaum /* ARGSUSED */ 35440a586ceaSMark Shellenbaum static int 35450a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 35460a586ceaSMark Shellenbaum { 35470a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 35480a586ceaSMark Shellenbaum 35490a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 35500a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 35510a586ceaSMark Shellenbaum arg, addr) != 0) { 35520a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 35530a586ceaSMark Shellenbaum return (DCMD_ERR); 35540a586ceaSMark Shellenbaum } 35550a586ceaSMark Shellenbaum } else { 35560a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 35570a586ceaSMark Shellenbaum arg, addr) != 0) { 35580a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 35590a586ceaSMark Shellenbaum return (DCMD_ERR); 35600a586ceaSMark Shellenbaum } 35610a586ceaSMark Shellenbaum } 35620a586ceaSMark Shellenbaum return (WALK_NEXT); 35630a586ceaSMark Shellenbaum } 35640a586ceaSMark Shellenbaum 35650a586ceaSMark Shellenbaum /* ARGSUSED */ 35660a586ceaSMark Shellenbaum static int 35670a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 35680a586ceaSMark Shellenbaum { 35690a586ceaSMark Shellenbaum zfs_acl_t zacl; 35700a586ceaSMark Shellenbaum int verbose = FALSE; 35710a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 35720a586ceaSMark Shellenbaum 35730a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 35740a586ceaSMark Shellenbaum return (DCMD_USAGE); 35750a586ceaSMark Shellenbaum 35760a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 35773b442230SJordan Paige Hendricks 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) 35780a586ceaSMark Shellenbaum return (DCMD_USAGE); 35790a586ceaSMark Shellenbaum 35800a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 35810a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 35820a586ceaSMark Shellenbaum return (DCMD_ERR); 35830a586ceaSMark Shellenbaum } 35840a586ceaSMark Shellenbaum 35850a586ceaSMark Shellenbaum acl_args.a_argc = argc; 35860a586ceaSMark Shellenbaum acl_args.a_argv = argv; 35870a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 35880a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 35890a586ceaSMark Shellenbaum 35900a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 35910a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 35920a586ceaSMark Shellenbaum return (DCMD_ERR); 35930a586ceaSMark Shellenbaum } 35940a586ceaSMark Shellenbaum 35950a586ceaSMark Shellenbaum return (DCMD_OK); 35960a586ceaSMark Shellenbaum } 35970a586ceaSMark Shellenbaum 35980a586ceaSMark Shellenbaum /* ARGSUSED */ 35990a586ceaSMark Shellenbaum static int 36000a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 36010a586ceaSMark Shellenbaum { 3602892ad162SToomas Soome if (wsp->walk_addr == 0) { 36030a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 36040a586ceaSMark Shellenbaum return (WALK_ERR); 36050a586ceaSMark Shellenbaum } 36060a586ceaSMark Shellenbaum 360728e4da25SMatthew Ahrens wsp->walk_addr += 360828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 36090a586ceaSMark Shellenbaum 36100a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 36110a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 36120a586ceaSMark Shellenbaum return (WALK_ERR); 36130a586ceaSMark Shellenbaum } 36140a586ceaSMark Shellenbaum 36150a586ceaSMark Shellenbaum return (WALK_NEXT); 36160a586ceaSMark Shellenbaum } 36170a586ceaSMark Shellenbaum 36180a586ceaSMark Shellenbaum static int 36190a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 36200a586ceaSMark Shellenbaum { 36210a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 36220a586ceaSMark Shellenbaum 36230a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 36240a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 36250a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 36260a586ceaSMark Shellenbaum return (WALK_ERR); 36270a586ceaSMark Shellenbaum } 36280a586ceaSMark Shellenbaum 36290a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 36300a586ceaSMark Shellenbaum } 36310a586ceaSMark Shellenbaum 36320a586ceaSMark Shellenbaum typedef struct ace_walk_data { 36330a586ceaSMark Shellenbaum int ace_count; 36340a586ceaSMark Shellenbaum int ace_version; 36350a586ceaSMark Shellenbaum } ace_walk_data_t; 36360a586ceaSMark Shellenbaum 36370a586ceaSMark Shellenbaum static int 36380a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 36390a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 36400a586ceaSMark Shellenbaum { 36410a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 36420a586ceaSMark Shellenbaum 3643892ad162SToomas Soome if (wsp->walk_addr == 0) { 36440a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 36450a586ceaSMark Shellenbaum return (WALK_ERR); 36460a586ceaSMark Shellenbaum } 36470a586ceaSMark Shellenbaum 36480a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 36490a586ceaSMark Shellenbaum 36500a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 36510a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 36520a586ceaSMark Shellenbaum 36530a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 36540a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 36550a586ceaSMark Shellenbaum 36560a586ceaSMark Shellenbaum return (WALK_NEXT); 36570a586ceaSMark Shellenbaum } 36580a586ceaSMark Shellenbaum 36590a586ceaSMark Shellenbaum static int 36600a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 36610a586ceaSMark Shellenbaum { 36620a586ceaSMark Shellenbaum static int gotid; 36630a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 36640a586ceaSMark Shellenbaum int z_ace_count; 36650a586ceaSMark Shellenbaum uintptr_t z_acldata; 36660a586ceaSMark Shellenbaum 36670a586ceaSMark Shellenbaum if (!gotid) { 36680a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 36690a586ceaSMark Shellenbaum &acl_id) == -1) { 36700a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 36710a586ceaSMark Shellenbaum return (DCMD_ERR); 36720a586ceaSMark Shellenbaum } 36730a586ceaSMark Shellenbaum gotid = TRUE; 36740a586ceaSMark Shellenbaum } 36750a586ceaSMark Shellenbaum 36760a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 36770a586ceaSMark Shellenbaum return (DCMD_ERR); 36780a586ceaSMark Shellenbaum } 36790a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 36800a586ceaSMark Shellenbaum return (DCMD_ERR); 36810a586ceaSMark Shellenbaum } 36820a586ceaSMark Shellenbaum 36830a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 36840a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 36850a586ceaSMark Shellenbaum } 36860a586ceaSMark Shellenbaum 36870a586ceaSMark Shellenbaum /* ARGSUSED */ 36880a586ceaSMark Shellenbaum static int 36890a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 36900a586ceaSMark Shellenbaum { 36910a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 36920a586ceaSMark Shellenbaum } 36930a586ceaSMark Shellenbaum 36940a586ceaSMark Shellenbaum /* ARGSUSED */ 36950a586ceaSMark Shellenbaum static int 36960a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 36970a586ceaSMark Shellenbaum { 36980a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 36990a586ceaSMark Shellenbaum } 37000a586ceaSMark Shellenbaum 37010a586ceaSMark Shellenbaum static int 37020a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 37030a586ceaSMark Shellenbaum { 37040a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 37050a586ceaSMark Shellenbaum zfs_ace_t zace; 37060a586ceaSMark Shellenbaum ace_t *acep; 37070a586ceaSMark Shellenbaum int status; 37080a586ceaSMark Shellenbaum int entry_type; 37090a586ceaSMark Shellenbaum int allow_type; 37100a586ceaSMark Shellenbaum uintptr_t ptr; 37110a586ceaSMark Shellenbaum 37120a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 37130a586ceaSMark Shellenbaum return (WALK_DONE); 37140a586ceaSMark Shellenbaum 37150a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 37160a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 37170a586ceaSMark Shellenbaum wsp->walk_addr); 37180a586ceaSMark Shellenbaum return (WALK_ERR); 37190a586ceaSMark Shellenbaum } 37200a586ceaSMark Shellenbaum 37210a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 37220a586ceaSMark Shellenbaum case 0: 37230a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 37240a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 37250a586ceaSMark Shellenbaum allow_type = acep->a_type; 37260a586ceaSMark Shellenbaum break; 37270a586ceaSMark Shellenbaum case 1: 37280a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 37290a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 37300a586ceaSMark Shellenbaum break; 37310a586ceaSMark Shellenbaum default: 37320a586ceaSMark Shellenbaum return (WALK_ERR); 37330a586ceaSMark Shellenbaum } 37340a586ceaSMark Shellenbaum 37350a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 37360a586ceaSMark Shellenbaum switch (entry_type) { 37370a586ceaSMark Shellenbaum case ACE_OWNER: 37380a586ceaSMark Shellenbaum case ACE_EVERYONE: 37390a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 37400a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 37410a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 37420a586ceaSMark Shellenbaum break; 37430a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 37440a586ceaSMark Shellenbaum default: 37450a586ceaSMark Shellenbaum switch (allow_type) { 37460a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 37470a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 37480a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 37490a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 37500a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 37510a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 37520a586ceaSMark Shellenbaum break; 37530a586ceaSMark Shellenbaum default: 37540a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 37550a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 37560a586ceaSMark Shellenbaum break; 37570a586ceaSMark Shellenbaum } 37580a586ceaSMark Shellenbaum } 37590a586ceaSMark Shellenbaum 37600a586ceaSMark Shellenbaum ace_data->ace_count--; 37610a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 37620a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 37630a586ceaSMark Shellenbaum 37640a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 37650a586ceaSMark Shellenbaum return (status); 37660a586ceaSMark Shellenbaum } 37670a586ceaSMark Shellenbaum 376828e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3769d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 377028e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 377128e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 377228e4da25SMatthew Ahrens 377328e4da25SMatthew Ahrens static uint_t rrw_key; 377428e4da25SMatthew Ahrens 377528e4da25SMatthew Ahrens /* ARGSUSED */ 377628e4da25SMatthew Ahrens static int 377728e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 377828e4da25SMatthew Ahrens { 377928e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 378028e4da25SMatthew Ahrens 378128e4da25SMatthew Ahrens if (rrw_key == 0) { 378228e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 378328e4da25SMatthew Ahrens return (DCMD_ERR); 378428e4da25SMatthew Ahrens } 378528e4da25SMatthew Ahrens 378628e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 378728e4da25SMatthew Ahrens 0) == -1) 378828e4da25SMatthew Ahrens return (DCMD_ERR); 378928e4da25SMatthew Ahrens 3790d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3791d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 379228e4da25SMatthew Ahrens return (DCMD_OK); 379328e4da25SMatthew Ahrens } 379428e4da25SMatthew Ahrens 379528e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 379628e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 379728e4da25SMatthew Ahrens } 379828e4da25SMatthew Ahrens 379928e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 3800*0dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 380128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 380228e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 380328e4da25SMatthew Ahrens 380428e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 3805*0dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 380628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 380728e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 380828e4da25SMatthew Ahrens 380928e4da25SMatthew Ahrens /* 381028e4da25SMatthew Ahrens * XXX This should find references from 381128e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 381228e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 381328e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 381428e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 381528e4da25SMatthew Ahrens */ 381628e4da25SMatthew Ahrens 381728e4da25SMatthew Ahrens return (DCMD_OK); 381828e4da25SMatthew Ahrens } 381928e4da25SMatthew Ahrens 3820dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 3821dcbf3bd6SGeorge Wilson uint16_t b_psize; 3822dcbf3bd6SGeorge Wilson uint16_t b_lsize; 3823dcbf3bd6SGeorge Wilson struct { 3824dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 3825dcbf3bd6SGeorge Wilson uintptr_t b_state; 3826dcbf3bd6SGeorge Wilson } b_l1hdr; 3827dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 3828dcbf3bd6SGeorge Wilson 3829dcbf3bd6SGeorge Wilson enum arc_cflags { 3830dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 3831dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 3832dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 3833dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 3834dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 3835dcbf3bd6SGeorge Wilson }; 3836dcbf3bd6SGeorge Wilson 3837dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 3838dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 3839dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 3840dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 3841dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 3842dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 3843dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 3844dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 3845dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 3846dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 3847dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 3848dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 3849dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 3850dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 3851dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 3852dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 3853dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 3854dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 3855dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 3856dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 3857dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 3858dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 3859dcbf3bd6SGeorge Wilson 3860dcbf3bd6SGeorge Wilson int 3861dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 3862dcbf3bd6SGeorge Wilson { 3863dcbf3bd6SGeorge Wilson int h = 1; 3864dcbf3bd6SGeorge Wilson 3865dcbf3bd6SGeorge Wilson if (i == 0) 3866dcbf3bd6SGeorge Wilson return (0); 3867dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 3868dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 3869dcbf3bd6SGeorge Wilson } 3870dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 3871dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 3872dcbf3bd6SGeorge Wilson } 3873dcbf3bd6SGeorge Wilson if (i & 0xff00) { 3874dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 3875dcbf3bd6SGeorge Wilson } 3876dcbf3bd6SGeorge Wilson if (i & 0xf0) { 3877dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 3878dcbf3bd6SGeorge Wilson } 3879dcbf3bd6SGeorge Wilson if (i & 0xc) { 3880dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 3881dcbf3bd6SGeorge Wilson } 3882dcbf3bd6SGeorge Wilson if (i & 0x2) { 3883dcbf3bd6SGeorge Wilson h += 1; 3884dcbf3bd6SGeorge Wilson } 3885dcbf3bd6SGeorge Wilson return (h); 3886dcbf3bd6SGeorge Wilson } 3887dcbf3bd6SGeorge Wilson 3888dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3889dcbf3bd6SGeorge Wilson static int 3890dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 3891dcbf3bd6SGeorge Wilson { 3892dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 3893dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 3894dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 3895dcbf3bd6SGeorge Wilson 3896dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&hdr, "arc_buf_hdr_t", "mdb_arc_buf_hdr_t", 3897dcbf3bd6SGeorge Wilson addr, 0) == -1) { 3898dcbf3bd6SGeorge Wilson return (WALK_ERR); 3899dcbf3bd6SGeorge Wilson } 3900dcbf3bd6SGeorge Wilson 3901dcbf3bd6SGeorge Wilson /* 3902dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 3903dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 3904dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 3905dcbf3bd6SGeorge Wilson */ 3906dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 3907dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 3908dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 3909dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3910dcbf3bd6SGeorge Wilson } 3911dcbf3bd6SGeorge Wilson 3912dcbf3bd6SGeorge Wilson /* 3913dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 3914dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 3915dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 3916dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 3917dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 3918dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 3919dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 3920dcbf3bd6SGeorge Wilson * 3921dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3922dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3923dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 3924dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 3925dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 3926dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 3927dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 3928dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 3929dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 3930dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 3931dcbf3bd6SGeorge Wilson * 3932dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 3933dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 3934dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 3935dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 3936dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 3937dcbf3bd6SGeorge Wilson * correspond to: 3938dcbf3bd6SGeorge Wilson * 3939dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3940dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3941dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 3942dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 3943dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 3944dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 3945dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 3946dcbf3bd6SGeorge Wilson * 3947dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 3948dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 3949dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 3950dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 3951dcbf3bd6SGeorge Wilson * above. 3952dcbf3bd6SGeorge Wilson * 3953dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 3954dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 3955dcbf3bd6SGeorge Wilson */ 3956dcbf3bd6SGeorge Wilson 3957dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 3958dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 3959dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 3960dcbf3bd6SGeorge Wilson } else { 3961dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 3962dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 3963dcbf3bd6SGeorge Wilson } 3964dcbf3bd6SGeorge Wilson 3965dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 3966dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 3967dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 3968dcbf3bd6SGeorge Wilson 3969dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 3970dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 3971dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 3972dcbf3bd6SGeorge Wilson 3973dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 3974dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 3975dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 3976dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 3977dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 3978dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 3979dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 3980dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 3981dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 3982dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 3983dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 3984dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 3985dcbf3bd6SGeorge Wilson } 3986dcbf3bd6SGeorge Wilson 3987dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 3988dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 3989dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 3990dcbf3bd6SGeorge Wilson 3991dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3992dcbf3bd6SGeorge Wilson } 3993dcbf3bd6SGeorge Wilson 3994dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3995dcbf3bd6SGeorge Wilson static int 3996dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 3997dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 3998dcbf3bd6SGeorge Wilson { 3999dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 4000dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 4001dcbf3bd6SGeorge Wilson unsigned int hist_size; 4002dcbf3bd6SGeorge Wilson char range[32]; 4003dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 4004dcbf3bd6SGeorge Wilson 4005dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 4006dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 4007dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 4008dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 4009dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 40103b442230SJordan Paige Hendricks 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags, 40113b442230SJordan Paige Hendricks NULL) != argc) 4012dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 4013dcbf3bd6SGeorge Wilson 4014dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 4015dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 4016dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 4017dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 4018dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 4019dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 4020dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 4021dcbf3bd6SGeorge Wilson return (DCMD_ERR); 4022dcbf3bd6SGeorge Wilson } 4023dcbf3bd6SGeorge Wilson 4024dcbf3bd6SGeorge Wilson /* 4025dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 4026dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 4027dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 4028dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 4029dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 4030dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 4031dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 4032dcbf3bd6SGeorge Wilson */ 4033dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 4034dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 4035dcbf3bd6SGeorge Wilson else 4036dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 4037dcbf3bd6SGeorge Wilson 4038dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 4039dcbf3bd6SGeorge Wilson 4040dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4041dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4042dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4043dcbf3bd6SGeorge Wilson 4044dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4045dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4046dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4047dcbf3bd6SGeorge Wilson 4048dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4049dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4050dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4051dcbf3bd6SGeorge Wilson 4052dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4053dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4054dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4055dcbf3bd6SGeorge Wilson 4056dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 4057dcbf3bd6SGeorge Wilson &data) != 0) { 4058dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 4059dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4060dcbf3bd6SGeorge Wilson goto out; 4061dcbf3bd6SGeorge Wilson } 4062dcbf3bd6SGeorge Wilson 4063dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 4064dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4065dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 4066dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4067dcbf3bd6SGeorge Wilson } else { 4068dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4069dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 4070dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4071dcbf3bd6SGeorge Wilson } 4072dcbf3bd6SGeorge Wilson 4073dcbf3bd6SGeorge Wilson if (rc < 0) { 4074dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 4075dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4076dcbf3bd6SGeorge Wilson goto out; 4077dcbf3bd6SGeorge Wilson } else { 4078dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 4079dcbf3bd6SGeorge Wilson rc = DCMD_OK; 4080dcbf3bd6SGeorge Wilson } 4081dcbf3bd6SGeorge Wilson 4082dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 4083dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4084dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 4085dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4086dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 4087dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4088dcbf3bd6SGeorge Wilson } 4089dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 4090dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4091dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 4092dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4093dcbf3bd6SGeorge Wilson 4094dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 4095dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4096dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 4097dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4098dcbf3bd6SGeorge Wilson } 4099dcbf3bd6SGeorge Wilson 4100dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 4101dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4102dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 4103dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4104dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 4105dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4106dcbf3bd6SGeorge Wilson } 4107dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 4108dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4109dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 4110dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4111dcbf3bd6SGeorge Wilson 4112dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 4113dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4114dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 4115dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4116dcbf3bd6SGeorge Wilson } 4117dcbf3bd6SGeorge Wilson 4118dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 4119dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4120dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 4121dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4122dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 4123dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4124dcbf3bd6SGeorge Wilson } 4125dcbf3bd6SGeorge Wilson 4126dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 4127dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4128dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 4129dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4130dcbf3bd6SGeorge Wilson 4131dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 4132dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4133dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 4134dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4135dcbf3bd6SGeorge Wilson } 4136dcbf3bd6SGeorge Wilson 4137dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4138dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 4139dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 4140dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 4141dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4142dcbf3bd6SGeorge Wilson } 4143dcbf3bd6SGeorge Wilson 4144dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 4145dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4146dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 4147dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4148dcbf3bd6SGeorge Wilson 4149dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 4150dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4151dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 4152dcbf3bd6SGeorge Wilson 4153dcbf3bd6SGeorge Wilson out: 4154dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 4155dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 4156dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 4157dcbf3bd6SGeorge Wilson 4158dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 4159dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 4160dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 4161dcbf3bd6SGeorge Wilson 4162dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 4163dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 4164dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 4165dcbf3bd6SGeorge Wilson 4166dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 4167dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 4168dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 4169dcbf3bd6SGeorge Wilson 4170dcbf3bd6SGeorge Wilson return (rc); 4171dcbf3bd6SGeorge Wilson } 4172dcbf3bd6SGeorge Wilson 4173814dcd43SSerapheim Dimitropoulos typedef struct mdb_range_seg { 4174814dcd43SSerapheim Dimitropoulos uint64_t rs_start; 4175814dcd43SSerapheim Dimitropoulos uint64_t rs_end; 4176814dcd43SSerapheim Dimitropoulos } mdb_range_seg_t; 4177814dcd43SSerapheim Dimitropoulos 4178814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4179814dcd43SSerapheim Dimitropoulos static int 4180814dcd43SSerapheim Dimitropoulos range_tree_cb(uintptr_t addr, const void *unknown, void *arg) 4181814dcd43SSerapheim Dimitropoulos { 4182814dcd43SSerapheim Dimitropoulos mdb_range_seg_t rs; 4183814dcd43SSerapheim Dimitropoulos 4184814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rs, ZFS_STRUCT "range_seg", "mdb_range_seg_t", 4185814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4186814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4187814dcd43SSerapheim Dimitropoulos 4188814dcd43SSerapheim Dimitropoulos mdb_printf("\t[%llx %llx) (length %llx)\n", 4189814dcd43SSerapheim Dimitropoulos rs.rs_start, rs.rs_end, rs.rs_end - rs.rs_start); 4190814dcd43SSerapheim Dimitropoulos 4191814dcd43SSerapheim Dimitropoulos return (0); 4192814dcd43SSerapheim Dimitropoulos } 4193814dcd43SSerapheim Dimitropoulos 4194814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4195814dcd43SSerapheim Dimitropoulos static int 4196814dcd43SSerapheim Dimitropoulos range_tree(uintptr_t addr, uint_t flags, int argc, 4197814dcd43SSerapheim Dimitropoulos const mdb_arg_t *argv) 4198814dcd43SSerapheim Dimitropoulos { 4199814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 4200814dcd43SSerapheim Dimitropoulos uintptr_t avl_addr; 4201814dcd43SSerapheim Dimitropoulos 4202814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4203814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4204814dcd43SSerapheim Dimitropoulos 4205814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, ZFS_STRUCT "range_tree", "mdb_range_tree_t", 4206814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4207814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4208814dcd43SSerapheim Dimitropoulos 4209814dcd43SSerapheim Dimitropoulos mdb_printf("%p: range tree of %llu entries, %llu bytes\n", 4210814dcd43SSerapheim Dimitropoulos addr, rt.rt_root.avl_numnodes, rt.rt_space); 4211814dcd43SSerapheim Dimitropoulos 4212814dcd43SSerapheim Dimitropoulos avl_addr = addr + 4213814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "range_tree", "rt_root"); 4214814dcd43SSerapheim Dimitropoulos 4215814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("avl", range_tree_cb, NULL, avl_addr) != 0) { 4216814dcd43SSerapheim Dimitropoulos mdb_warn("can't walk range_tree segments"); 4217814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4218814dcd43SSerapheim Dimitropoulos } 4219814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4220814dcd43SSerapheim Dimitropoulos } 4221814dcd43SSerapheim Dimitropoulos 4222814dcd43SSerapheim Dimitropoulos typedef struct mdb_spa_log_sm { 4223814dcd43SSerapheim Dimitropoulos uint64_t sls_sm_obj; 4224814dcd43SSerapheim Dimitropoulos uint64_t sls_txg; 4225814dcd43SSerapheim Dimitropoulos uint64_t sls_nblocks; 4226814dcd43SSerapheim Dimitropoulos uint64_t sls_mscount; 4227814dcd43SSerapheim Dimitropoulos } mdb_spa_log_sm_t; 4228814dcd43SSerapheim Dimitropoulos 4229814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4230814dcd43SSerapheim Dimitropoulos static int 4231814dcd43SSerapheim Dimitropoulos logsm_stats_cb(uintptr_t addr, const void *unknown, void *arg) 4232814dcd43SSerapheim Dimitropoulos { 4233814dcd43SSerapheim Dimitropoulos mdb_spa_log_sm_t sls; 4234814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&sls, ZFS_STRUCT "spa_log_sm", "mdb_spa_log_sm_t", 4235814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4236814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4237814dcd43SSerapheim Dimitropoulos 4238814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld %7lld\n", 4239814dcd43SSerapheim Dimitropoulos sls.sls_txg, sls.sls_nblocks, sls.sls_mscount, sls.sls_sm_obj); 4240814dcd43SSerapheim Dimitropoulos 4241814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4242814dcd43SSerapheim Dimitropoulos } 4243814dcd43SSerapheim Dimitropoulos typedef struct mdb_log_summary_entry { 4244814dcd43SSerapheim Dimitropoulos uint64_t lse_start; 4245814dcd43SSerapheim Dimitropoulos uint64_t lse_blkcount; 4246814dcd43SSerapheim Dimitropoulos uint64_t lse_mscount; 4247814dcd43SSerapheim Dimitropoulos } mdb_log_summary_entry_t; 4248814dcd43SSerapheim Dimitropoulos 4249814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4250814dcd43SSerapheim Dimitropoulos static int 4251814dcd43SSerapheim Dimitropoulos logsm_summary_cb(uintptr_t addr, const void *unknown, void *arg) 4252814dcd43SSerapheim Dimitropoulos { 4253814dcd43SSerapheim Dimitropoulos mdb_log_summary_entry_t lse; 4254814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&lse, ZFS_STRUCT "log_summary_entry", 4255814dcd43SSerapheim Dimitropoulos "mdb_log_summary_entry_t", addr, 0) == -1) 4256814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4257814dcd43SSerapheim Dimitropoulos 4258814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld\n", 4259814dcd43SSerapheim Dimitropoulos lse.lse_start, lse.lse_blkcount, lse.lse_mscount); 4260814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4261814dcd43SSerapheim Dimitropoulos } 4262814dcd43SSerapheim Dimitropoulos 4263814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4264814dcd43SSerapheim Dimitropoulos static int 4265814dcd43SSerapheim Dimitropoulos logsm_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4266814dcd43SSerapheim Dimitropoulos { 4267814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4268814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4269814dcd43SSerapheim Dimitropoulos 4270814dcd43SSerapheim Dimitropoulos uintptr_t sls_avl_addr = addr + 4271814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_sm_logs_by_txg"); 4272814dcd43SSerapheim Dimitropoulos uintptr_t summary_addr = addr + 4273814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_log_summary"); 4274814dcd43SSerapheim Dimitropoulos 4275814dcd43SSerapheim Dimitropoulos mdb_printf("Log Entries:\n"); 4276814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s %7s\n", "txg", "blk", "ms", "obj"); 4277814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("avl", logsm_stats_cb, NULL, sls_avl_addr) != 0) 4278814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4279814dcd43SSerapheim Dimitropoulos 4280814dcd43SSerapheim Dimitropoulos mdb_printf("\nSummary Entries:\n"); 4281814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s\n", "txg", "blk", "ms"); 4282814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("list", logsm_summary_cb, NULL, summary_addr) != 0) 4283814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4284814dcd43SSerapheim Dimitropoulos 4285814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4286814dcd43SSerapheim Dimitropoulos } 4287814dcd43SSerapheim Dimitropoulos 4288ccae0b50Seschrock /* 4289fa9e4066Sahrens * MDB module linkage information: 4290fa9e4066Sahrens * 4291fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 4292fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 4293fa9e4066Sahrens */ 4294fa9e4066Sahrens 4295fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 429691ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 4297fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 42985cabbc6bSPrashanth Sreenivasa { "dva", ":", "print dva_t", dva }, 4299fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 4300fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 4301fa9e4066Sahrens { "dbufs", 43024223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 43033cb34c60Sahrens "[-o object | \"mdn\"] \n" 4304fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 430591ebeef5Sahrens "find dmu_buf_impl_t's that match specified criteria", dbufs }, 4306fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 4307fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 4308fa9e4066Sahrens abuf_find }, 4309814dcd43SSerapheim Dimitropoulos { "logsm_stats", ":", "print log space map statistics of a spa_t", 4310814dcd43SSerapheim Dimitropoulos logsm_stats}, 43112e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 43122e4c9986SGeorge Wilson "\t-c display spa config\n" 43132e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 43142e4c9986SGeorge Wilson "\t-v display vdev information\n" 43152e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 43162e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 43172e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 43182e4c9986SGeorge Wilson "spa_t summary", spa_print }, 4319fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 4320fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 43212e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 43222e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 43232e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 43242e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 43252e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 43262e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 432717f11284SSerapheim Dimitropoulos { "sm_entries", "<buffer length in bytes>", 432817f11284SSerapheim Dimitropoulos "print out space map entries from a buffer decoded", 432917f11284SSerapheim Dimitropoulos sm_entries}, 433091e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 433191ebeef5Sahrens "\t-r display recursively\n" 43322e4c9986SGeorge Wilson "\t-e display statistics\n" 433391e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 433491e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 43352e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 433691ebeef5Sahrens "vdev_t summary", vdev_print }, 43372e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 4338a3f829aeSBill Moore "\t-c display children\n" 4339a3f829aeSBill Moore "\t-p display parents\n" 4340a3f829aeSBill Moore "\t-r display recursively", 4341a3f829aeSBill Moore "zio_t summary", zio_print }, 4342ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 4343ccae0b50Seschrock "for a particular pool", zio_state }, 434488b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 434588b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 434688b7b0f2SMatthew Ahrens zfs_blkstats }, 4347614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 4348*0dd73f50SJason King { "zfs_refcount", ":[-r]\n" 434928e4da25SMatthew Ahrens "\t-r display recently removed references", 4350*0dd73f50SJason King "print zfs_refcount_t holders", zfs_refcount }, 43513f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 43520a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 43530a586ceaSMark Shellenbaum zfs_acl_dump }, 43540a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 43550a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 43560a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 43570a586ceaSMark Shellenbaum sa_attr_table}, 43580a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 43590a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 436028e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 43613f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 436228e4da25SMatthew Ahrens { "rrwlock", ":", 436328e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 43648363e80aSGeorge Wilson { "metaslab_weight", "weight", 43658363e80aSGeorge Wilson "print metaslab weight", metaslab_weight}, 43668363e80aSGeorge Wilson { "metaslab_trace", ":", 43678363e80aSGeorge Wilson "print metaslab allocation trace records", metaslab_trace}, 4368dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 4369dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 4370dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 4371dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 4372dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 4373dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 4374dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 4375dcbf3bd6SGeorge Wilson arc_compression_stats}, 4376814dcd43SSerapheim Dimitropoulos { "range_tree", ":", 4377814dcd43SSerapheim Dimitropoulos "print entries in range_tree_t", range_tree}, 4378fa9e4066Sahrens { NULL } 4379fa9e4066Sahrens }; 4380fa9e4066Sahrens 4381fa9e4066Sahrens static const mdb_walker_t walkers[] = { 4382fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 43835f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 4384fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 43855f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 4386fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 43875f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 4388fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 43895f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 4390fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 43915f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 4392ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 4393ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 439428e4da25SMatthew Ahrens { "zio_root", 439528e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 4396ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 4397fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 4398fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 43995f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 44005f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 4401dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 4402dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 44030a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 44040a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 44050a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 44060a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 44070a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 44080a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 44090a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 4410fa9e4066Sahrens { NULL } 4411fa9e4066Sahrens }; 4412fa9e4066Sahrens 4413fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 4414fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 4415fa9e4066Sahrens }; 4416fa9e4066Sahrens 4417fa9e4066Sahrens const mdb_modinfo_t * 4418fa9e4066Sahrens _mdb_init(void) 4419fa9e4066Sahrens { 4420fa9e4066Sahrens return (&modinfo); 4421fa9e4066Sahrens } 4422