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. 2491e2a09fSSteve Gonczi * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25*1393933cSJason King * Copyright (c) 2017, Joyent, Inc. All rights reserved. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 2855da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2955da60b9SMark J Musante 30fa9e4066Sahrens #include <mdb/mdb_ctf.h> 31fa9e4066Sahrens #include <sys/zfs_context.h> 32fa9e4066Sahrens #include <sys/mdb_modapi.h> 33fa9e4066Sahrens #include <sys/dbuf.h> 34fa9e4066Sahrens #include <sys/dmu_objset.h> 35fa9e4066Sahrens #include <sys/dsl_dir.h> 36fa9e4066Sahrens #include <sys/dsl_pool.h> 37fa9e4066Sahrens #include <sys/metaslab_impl.h> 38fa9e4066Sahrens #include <sys/space_map.h> 39fa9e4066Sahrens #include <sys/list.h> 40fa9e4066Sahrens #include <sys/vdev_impl.h> 413f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 423f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 439966ca11SMatthew Ahrens #include <ctype.h> 440a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 450a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 46dcbf3bd6SGeorge Wilson #include <sys/multilist.h> 47fa9e4066Sahrens 48fa9e4066Sahrens #ifdef _KERNEL 49fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 50c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 51fa9e4066Sahrens #else 52fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 53fa9e4066Sahrens #endif 54fa9e4066Sahrens 5528e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5628e4da25SMatthew Ahrens 57feef89cfSVictor Latushkin #ifndef _KERNEL 58feef89cfSVictor Latushkin int aok; 59feef89cfSVictor Latushkin #endif 60feef89cfSVictor Latushkin 612e4c9986SGeorge Wilson enum spa_flags { 622e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 632e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 642e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 652e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 662e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 672e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 682e4c9986SGeorge Wilson }; 692e4c9986SGeorge Wilson 7091e2a09fSSteve Gonczi /* 7191e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 7291e2a09fSSteve Gonczi */ 732e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 742e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 7591e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 762e4c9986SGeorge Wilson 77fa9e4066Sahrens static int 78fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 79fa9e4066Sahrens const char *member, int len, void *buf) 80fa9e4066Sahrens { 81fa9e4066Sahrens mdb_ctf_id_t id; 82fa9e4066Sahrens ulong_t off; 83fa9e4066Sahrens char name[64]; 84fa9e4066Sahrens 85fa9e4066Sahrens if (idp == NULL) { 86fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 87fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 88fa9e4066Sahrens return (DCMD_ERR); 89fa9e4066Sahrens } 90fa9e4066Sahrens idp = &id; 91fa9e4066Sahrens } else { 92fa9e4066Sahrens type = name; 93fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 94fa9e4066Sahrens } 95fa9e4066Sahrens 96fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 97fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 98fa9e4066Sahrens return (DCMD_ERR); 99fa9e4066Sahrens } 100fa9e4066Sahrens if (off % 8 != 0) { 101fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 102fa9e4066Sahrens member, type); 103fa9e4066Sahrens return (DCMD_ERR); 104fa9e4066Sahrens } 105fa9e4066Sahrens off /= 8; 106fa9e4066Sahrens 107fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 108fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 109fa9e4066Sahrens member, type, addr + off); 110fa9e4066Sahrens return (DCMD_ERR); 111fa9e4066Sahrens } 112fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 113fa9e4066Sahrens 114fa9e4066Sahrens return (0); 115fa9e4066Sahrens } 116fa9e4066Sahrens 11728e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 11828e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 11928e4da25SMatthew Ahrens sizeof (dest), &(dest)) 120fa9e4066Sahrens 121fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 122fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 123fa9e4066Sahrens 1243f9d6ad7SLin Ling static boolean_t 1253f9d6ad7SLin Ling strisprint(const char *cp) 1263f9d6ad7SLin Ling { 1273f9d6ad7SLin Ling for (; *cp; cp++) { 1283f9d6ad7SLin Ling if (!isprint(*cp)) 1293f9d6ad7SLin Ling return (B_FALSE); 1303f9d6ad7SLin Ling } 1313f9d6ad7SLin Ling return (B_TRUE); 1323f9d6ad7SLin Ling } 1333f9d6ad7SLin Ling 1342e4c9986SGeorge Wilson #define NICENUM_BUFLEN 6 1352e4c9986SGeorge Wilson 1362e4c9986SGeorge Wilson static int 1372e4c9986SGeorge Wilson snprintfrac(char *buf, int len, 1382e4c9986SGeorge Wilson uint64_t numerator, uint64_t denom, int frac_digits) 1392e4c9986SGeorge Wilson { 1402e4c9986SGeorge Wilson int mul = 1; 1412e4c9986SGeorge Wilson int whole, frac, i; 1422e4c9986SGeorge Wilson 1432e4c9986SGeorge Wilson for (i = frac_digits; i; i--) 1442e4c9986SGeorge Wilson mul *= 10; 1452e4c9986SGeorge Wilson whole = numerator / denom; 1462e4c9986SGeorge Wilson frac = mul * numerator / denom - mul * whole; 1472e4c9986SGeorge Wilson return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 1482e4c9986SGeorge Wilson } 1492e4c9986SGeorge Wilson 1502e4c9986SGeorge Wilson static void 1512e4c9986SGeorge Wilson mdb_nicenum(uint64_t num, char *buf) 1522e4c9986SGeorge Wilson { 1532e4c9986SGeorge Wilson uint64_t n = num; 1542e4c9986SGeorge Wilson int index = 0; 1552e4c9986SGeorge Wilson char *u; 1562e4c9986SGeorge Wilson 1572e4c9986SGeorge Wilson while (n >= 1024) { 1582e4c9986SGeorge Wilson n = (n + (1024 / 2)) / 1024; /* Round up or down */ 1592e4c9986SGeorge Wilson index++; 1602e4c9986SGeorge Wilson } 1612e4c9986SGeorge Wilson 1622e4c9986SGeorge Wilson u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 1632e4c9986SGeorge Wilson 1642e4c9986SGeorge Wilson if (index == 0) { 1652e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 1662e4c9986SGeorge Wilson (u_longlong_t)n); 1672e4c9986SGeorge Wilson } else if (n < 10 && (num & (num - 1)) != 0) { 1682e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1692e4c9986SGeorge Wilson num, 1ULL << 10 * index, 2); 1702e4c9986SGeorge Wilson strcat(buf, u); 1712e4c9986SGeorge Wilson } else if (n < 100 && (num & (num - 1)) != 0) { 1722e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1732e4c9986SGeorge Wilson num, 1ULL << 10 * index, 1); 1742e4c9986SGeorge Wilson strcat(buf, u); 1752e4c9986SGeorge Wilson } else { 1762e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 1772e4c9986SGeorge Wilson (u_longlong_t)n, u); 1782e4c9986SGeorge Wilson } 1792e4c9986SGeorge Wilson } 1802e4c9986SGeorge Wilson 181fa9e4066Sahrens static int verbose; 182fa9e4066Sahrens 183fa9e4066Sahrens static int 184fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 185fa9e4066Sahrens { 186fa9e4066Sahrens if (wsp->walk_addr == NULL) { 187fa9e4066Sahrens mdb_warn("must supply starting address\n"); 188fa9e4066Sahrens return (WALK_ERR); 189fa9e4066Sahrens } 190fa9e4066Sahrens 191fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 192fa9e4066Sahrens return (WALK_NEXT); 193fa9e4066Sahrens } 194fa9e4066Sahrens 195fa9e4066Sahrens static int 196fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 197fa9e4066Sahrens { 198fa9e4066Sahrens uint64_t entry; 199fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 2008053a263Sck153898 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 2018053a263Sck153898 "INVALID", "INVALID", "INVALID", "INVALID" }; 202fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 203fa9e4066Sahrens 204fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 205fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 206fa9e4066Sahrens return (WALK_DONE); 207fa9e4066Sahrens } 208fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 209fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 210fa9e4066Sahrens 211fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 212fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 213fa9e4066Sahrens number, 214fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 215fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 216fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 217fa9e4066Sahrens } else { 218fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 219fa9e4066Sahrens "size=%06llx", number, 220fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 221fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 222fa9e4066Sahrens mapshift, 223fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 224fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 225fa9e4066Sahrens if (verbose) 226fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 227fa9e4066Sahrens mdb_printf("\n"); 228fa9e4066Sahrens } 229fa9e4066Sahrens return (WALK_NEXT); 230fa9e4066Sahrens } 231fa9e4066Sahrens 232fa9e4066Sahrens static int 23328e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 234fa9e4066Sahrens { 235fa9e4066Sahrens static int gotid; 236fa9e4066Sahrens static mdb_ctf_id_t dd_id; 237fa9e4066Sahrens uintptr_t dd_parent; 2389adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 239fa9e4066Sahrens 240fa9e4066Sahrens if (!gotid) { 24128e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 242fa9e4066Sahrens &dd_id) == -1) { 243fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 244fa9e4066Sahrens return (DCMD_ERR); 245fa9e4066Sahrens } 246fa9e4066Sahrens gotid = TRUE; 247fa9e4066Sahrens } 248fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 249fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 250fa9e4066Sahrens return (DCMD_ERR); 251fa9e4066Sahrens } 252fa9e4066Sahrens 253fa9e4066Sahrens if (dd_parent) { 25428e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 255fa9e4066Sahrens return (DCMD_ERR); 256fa9e4066Sahrens strcat(buf, "/"); 257fa9e4066Sahrens } 258fa9e4066Sahrens 259fa9e4066Sahrens if (dd_myname[0]) 260fa9e4066Sahrens strcat(buf, dd_myname); 261fa9e4066Sahrens else 262fa9e4066Sahrens strcat(buf, "???"); 263fa9e4066Sahrens 264fa9e4066Sahrens return (0); 265fa9e4066Sahrens } 266fa9e4066Sahrens 267fa9e4066Sahrens static int 268fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 269fa9e4066Sahrens { 270fa9e4066Sahrens static int gotid; 2714223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 272fa9e4066Sahrens uintptr_t os_dsl_dataset; 2739adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 274fa9e4066Sahrens uintptr_t ds_dir; 275fa9e4066Sahrens 276fa9e4066Sahrens buf[0] = '\0'; 277fa9e4066Sahrens 278fa9e4066Sahrens if (!gotid) { 27928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2804223fc7cSMark Shellenbaum &os_id) == -1) { 2814223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 282fa9e4066Sahrens return (DCMD_ERR); 283fa9e4066Sahrens } 28428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 285fa9e4066Sahrens &ds_id) == -1) { 286fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 287fa9e4066Sahrens return (DCMD_ERR); 288fa9e4066Sahrens } 289fa9e4066Sahrens 290fa9e4066Sahrens gotid = TRUE; 291fa9e4066Sahrens } 292fa9e4066Sahrens 2934223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 294fa9e4066Sahrens return (DCMD_ERR); 295fa9e4066Sahrens 296fa9e4066Sahrens if (os_dsl_dataset == 0) { 297fa9e4066Sahrens strcat(buf, "mos"); 298fa9e4066Sahrens return (0); 299fa9e4066Sahrens } 300fa9e4066Sahrens 301fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 302fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 303fa9e4066Sahrens return (DCMD_ERR); 304fa9e4066Sahrens } 305fa9e4066Sahrens 30628e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 307fa9e4066Sahrens return (DCMD_ERR); 308fa9e4066Sahrens 309fa9e4066Sahrens if (ds_snapname[0]) { 310fa9e4066Sahrens strcat(buf, "@"); 311fa9e4066Sahrens strcat(buf, ds_snapname); 312fa9e4066Sahrens } 313fa9e4066Sahrens return (0); 314fa9e4066Sahrens } 315fa9e4066Sahrens 3168363e80aSGeorge Wilson static int 3178363e80aSGeorge Wilson enum_lookup(char *type, int val, const char *prefix, size_t size, char *out) 318fa9e4066Sahrens { 319fa9e4066Sahrens const char *cp; 320fa9e4066Sahrens size_t len = strlen(prefix); 3218363e80aSGeorge Wilson mdb_ctf_id_t enum_type; 322fa9e4066Sahrens 3238363e80aSGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) { 3248363e80aSGeorge Wilson mdb_warn("Could not find enum for %s", type); 3258363e80aSGeorge Wilson return (-1); 3268363e80aSGeorge Wilson } 3278363e80aSGeorge Wilson 3288363e80aSGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, val)) != NULL) { 329fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 330fa9e4066Sahrens cp += len; 331fa9e4066Sahrens (void) strncpy(out, cp, size); 332fa9e4066Sahrens } else { 333fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 334fa9e4066Sahrens } 3358363e80aSGeorge Wilson return (0); 336fa9e4066Sahrens } 337fa9e4066Sahrens 338fa9e4066Sahrens /* ARGSUSED */ 339fa9e4066Sahrens static int 340614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 341614409b5Sahrens { 342614409b5Sahrens /* 343614409b5Sahrens * This table can be approximately generated by running: 344614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 345614409b5Sahrens */ 346614409b5Sahrens static const char *params[] = { 347614409b5Sahrens "arc_reduce_dnlc_percent", 34869962b56SMatthew Ahrens "arc_lotsfree_percent", 34969962b56SMatthew Ahrens "zfs_dirty_data_max", 35069962b56SMatthew Ahrens "zfs_dirty_data_sync", 35169962b56SMatthew Ahrens "zfs_delay_max_ns", 35269962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 35369962b56SMatthew Ahrens "zfs_delay_scale", 35469962b56SMatthew Ahrens "zfs_vdev_max_active", 35569962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 35669962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 35769962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 35869962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 35969962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 36069962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 36169962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 36269962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 36369962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 36469962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 36569962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 36669962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 36769962b56SMatthew Ahrens "spa_asize_inflation", 368614409b5Sahrens "zfs_arc_max", 369614409b5Sahrens "zfs_arc_min", 37049e3519aSmaybee "arc_shrink_shift", 371614409b5Sahrens "zfs_mdcomp_disable", 372614409b5Sahrens "zfs_prefetch_disable", 373614409b5Sahrens "zfetch_max_streams", 374614409b5Sahrens "zfetch_min_sec_reap", 375614409b5Sahrens "zfetch_block_cap", 376614409b5Sahrens "zfetch_array_rd_sz", 377614409b5Sahrens "zfs_default_bs", 378614409b5Sahrens "zfs_default_ibs", 379614409b5Sahrens "metaslab_aliquot", 380614409b5Sahrens "reference_tracking_enable", 381614409b5Sahrens "reference_history", 382614409b5Sahrens "spa_max_replication_override", 383b24ab676SJeff Bonwick "spa_mode_global", 384614409b5Sahrens "zfs_flags", 3851ab7f2deSmaybee "zfs_txg_timeout", 386614409b5Sahrens "zfs_vdev_cache_max", 387614409b5Sahrens "zfs_vdev_cache_size", 388614409b5Sahrens "zfs_vdev_cache_bshift", 389614409b5Sahrens "vdev_mirror_shift", 390614409b5Sahrens "zfs_scrub_limit", 391b16da2e2SGeorge Wilson "zfs_no_scrub_io", 392b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 393614409b5Sahrens "zfs_vdev_aggregation_limit", 394614409b5Sahrens "fzap_default_block_shift", 395614409b5Sahrens "zfs_immediate_write_sz", 396614409b5Sahrens "zfs_read_chunk_size", 397614409b5Sahrens "zfs_nocacheflush", 39855da60b9SMark J Musante "zil_replay_disable", 3991ab7f2deSmaybee "metaslab_gang_bang", 400d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 401d6e555bdSGeorge Wilson "metaslab_df_free_pct", 402614409b5Sahrens "zio_injection_enabled", 403614409b5Sahrens "zvol_immediate_write_sz", 404614409b5Sahrens }; 405614409b5Sahrens 406b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 407614409b5Sahrens int sz; 408614409b5Sahrens uint64_t val64; 409614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 410614409b5Sahrens 411614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 412614409b5Sahrens if (sz == 4) { 413614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 414614409b5Sahrens } else if (sz == 8) { 415614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 416614409b5Sahrens } else { 417614409b5Sahrens mdb_warn("variable %s not found", params[i]); 418614409b5Sahrens } 419614409b5Sahrens } 420614409b5Sahrens 421614409b5Sahrens return (DCMD_OK); 422614409b5Sahrens } 423614409b5Sahrens 424614409b5Sahrens /* ARGSUSED */ 425614409b5Sahrens static int 426fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 427fa9e4066Sahrens { 428b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 429b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 430b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 431fa9e4066Sahrens 432b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 433fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 434fa9e4066Sahrens return (DCMD_ERR); 435fa9e4066Sahrens } 436fa9e4066Sahrens 4378363e80aSGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_", 4388363e80aSGeorge Wilson sizeof (type), type) == -1 || 4398363e80aSGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp), 4408363e80aSGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 || 4418363e80aSGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp), 4428363e80aSGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) { 443b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 444fa9e4066Sahrens return (DCMD_ERR); 445fa9e4066Sahrens } 446fa9e4066Sahrens 44743466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 44843466aaeSMax Grossman checksum, compress); 449fa9e4066Sahrens 450b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 451fa9e4066Sahrens 452fa9e4066Sahrens return (DCMD_OK); 453fa9e4066Sahrens } 454fa9e4066Sahrens 45528e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 45628e4da25SMatthew Ahrens struct { 45728e4da25SMatthew Ahrens uint64_t db_object; 4582515f5d4SJustin T. Gibbs uintptr_t db_data; 45928e4da25SMatthew Ahrens } db; 460d5ee8a13SMatthew Ahrens uintptr_t db_objset; 46128e4da25SMatthew Ahrens uint64_t db_level; 46228e4da25SMatthew Ahrens uint64_t db_blkid; 46328e4da25SMatthew Ahrens struct { 46428e4da25SMatthew Ahrens uint64_t rc_count; 46528e4da25SMatthew Ahrens } db_holds; 46628e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 46728e4da25SMatthew Ahrens 468fa9e4066Sahrens /* ARGSUSED */ 469fa9e4066Sahrens static int 470fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 471fa9e4066Sahrens { 47228e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 473fa9e4066Sahrens char objectname[32]; 474fa9e4066Sahrens char blkidname[32]; 4759adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 476ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 477fa9e4066Sahrens 47828e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 479ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 480ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 481fa9e4066Sahrens 48228e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 48328e4da25SMatthew Ahrens addr, 0) == -1) 484fa9e4066Sahrens return (DCMD_ERR); 485fa9e4066Sahrens 48628e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 487fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 488fa9e4066Sahrens else 489fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 49028e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 491fa9e4066Sahrens 49228e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 493fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 494fa9e4066Sahrens else 495fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 49628e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 497fa9e4066Sahrens 498d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 49928e4da25SMatthew Ahrens return (DCMD_ERR); 500fa9e4066Sahrens } 501fa9e4066Sahrens 502ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 50328e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 50428e4da25SMatthew Ahrens db.db_holds.rc_count, path); 505fa9e4066Sahrens 506fa9e4066Sahrens return (DCMD_OK); 507fa9e4066Sahrens } 508fa9e4066Sahrens 509fa9e4066Sahrens /* ARGSUSED */ 510fa9e4066Sahrens static int 511fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 512fa9e4066Sahrens { 513fa9e4066Sahrens #define HISTOSZ 32 514fa9e4066Sahrens uintptr_t dbp; 515fa9e4066Sahrens dmu_buf_impl_t db; 516fa9e4066Sahrens dbuf_hash_table_t ht; 517fa9e4066Sahrens uint64_t bucket, ndbufs; 518fa9e4066Sahrens uint64_t histo[HISTOSZ]; 519fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 520fa9e4066Sahrens int i, maxidx; 521fa9e4066Sahrens 522fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 523fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 524fa9e4066Sahrens return (DCMD_ERR); 525fa9e4066Sahrens } 526fa9e4066Sahrens 527fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 528fa9e4066Sahrens histo[i] = 0; 529fa9e4066Sahrens histo2[i] = 0; 530fa9e4066Sahrens } 531fa9e4066Sahrens 532fa9e4066Sahrens ndbufs = 0; 533fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 534fa9e4066Sahrens int len; 535fa9e4066Sahrens 536fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 537fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 538fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 539fa9e4066Sahrens bucket, ht.hash_table+bucket); 540fa9e4066Sahrens return (DCMD_ERR); 541fa9e4066Sahrens } 542fa9e4066Sahrens 543fa9e4066Sahrens len = 0; 544fa9e4066Sahrens while (dbp != 0) { 545fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 546fa9e4066Sahrens dbp) == -1) { 547fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 548fa9e4066Sahrens return (DCMD_ERR); 549fa9e4066Sahrens } 550fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 551fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 552fa9e4066Sahrens histo2[i]++; 553fa9e4066Sahrens len++; 554fa9e4066Sahrens ndbufs++; 555fa9e4066Sahrens } 556fa9e4066Sahrens 557fa9e4066Sahrens if (len >= HISTOSZ) 558fa9e4066Sahrens len = HISTOSZ-1; 559fa9e4066Sahrens histo[len]++; 560fa9e4066Sahrens } 561fa9e4066Sahrens 562fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 563fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 564fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 565fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 566fa9e4066Sahrens 567fa9e4066Sahrens mdb_printf("\n"); 568fa9e4066Sahrens maxidx = 0; 569fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 570fa9e4066Sahrens if (histo[i] > 0) 571fa9e4066Sahrens maxidx = i; 572fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 573fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 574fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 575fa9e4066Sahrens 576fa9e4066Sahrens mdb_printf("\n"); 577fa9e4066Sahrens maxidx = 0; 578fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 579fa9e4066Sahrens if (histo2[i] > 0) 580fa9e4066Sahrens maxidx = i; 581fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 582fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 583fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 584fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 585fa9e4066Sahrens 586fa9e4066Sahrens 587fa9e4066Sahrens return (DCMD_OK); 588fa9e4066Sahrens } 589fa9e4066Sahrens 5903f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5913f1f8012SMatthew Ahrens /* 5923f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5933f1f8012SMatthew Ahrens * 5943f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5953f1f8012SMatthew Ahrens */ 5963f1f8012SMatthew Ahrens /* ARGSUSED */ 5973f1f8012SMatthew Ahrens static int 5983f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5993f1f8012SMatthew Ahrens { 6003f1f8012SMatthew Ahrens char buf[16*1024]; 6013f1f8012SMatthew Ahrens int verbose = B_FALSE; 6023f1f8012SMatthew Ahrens int four = B_FALSE; 603c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 6043f1f8012SMatthew Ahrens zap_leaf_t l; 6053f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 6063f1f8012SMatthew Ahrens int i; 6073f1f8012SMatthew Ahrens 6083f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 6093f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 6103f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 6113f1f8012SMatthew Ahrens NULL) != argc) 6123f1f8012SMatthew Ahrens return (DCMD_USAGE); 6133f1f8012SMatthew Ahrens 614c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 615c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 6163f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 6173f1f8012SMatthew Ahrens if (four) 6183f1f8012SMatthew Ahrens l.l_bs = 12; 6193f1f8012SMatthew Ahrens 6203f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 6213f1f8012SMatthew Ahrens return (DCMD_USAGE); 6223f1f8012SMatthew Ahrens } 6233f1f8012SMatthew Ahrens 6243f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 6253f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 6263f1f8012SMatthew Ahrens return (DCMD_ERR); 6273f1f8012SMatthew Ahrens } 6283f1f8012SMatthew Ahrens 6293f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 6303f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 6313f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 6323f1f8012SMatthew Ahrens return (DCMD_ERR); 6333f1f8012SMatthew Ahrens } 6343f1f8012SMatthew Ahrens 6353f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 6363f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 6373f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 6383f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 6393f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 6403f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 6413f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 6423f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 6433f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 6443f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 6453f1f8012SMatthew Ahrens 6463f1f8012SMatthew Ahrens if (verbose) { 6473f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 6483f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 6493f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 6503f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 6513f1f8012SMatthew Ahrens } 6523f1f8012SMatthew Ahrens } 6533f1f8012SMatthew Ahrens 6543f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 6553f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 6563f1f8012SMatthew Ahrens /* LINTED: alignment */ 6573f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 6583f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 6593f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6603f1f8012SMatthew Ahrens if (verbose) { 6613f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6623f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6633f1f8012SMatthew Ahrens } 6643f1f8012SMatthew Ahrens break; 6653f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6663f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6673f1f8012SMatthew Ahrens if (verbose) { 6683f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6693f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6703f1f8012SMatthew Ahrens } 6713f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6723f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6733f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6743f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6753f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6763f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6773f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6783f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6793f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6803f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6813f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6823f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6833f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6843f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6853f1f8012SMatthew Ahrens break; 6863f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6873f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6883f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6893f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6903f9d6ad7SLin Ling mdb_printf("\n"); 6913f1f8012SMatthew Ahrens if (verbose) { 6923f1f8012SMatthew Ahrens int j; 6933f1f8012SMatthew Ahrens mdb_printf(" "); 6943f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6953f1f8012SMatthew Ahrens mdb_printf("%02x ", 6963f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6973f1f8012SMatthew Ahrens } 6983f1f8012SMatthew Ahrens mdb_printf("\n"); 6993f1f8012SMatthew Ahrens } 7003f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 7013f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 7023f1f8012SMatthew Ahrens zlc->l_array.la_next); 7033f1f8012SMatthew Ahrens } 7043f1f8012SMatthew Ahrens break; 7053f1f8012SMatthew Ahrens default: 7063f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 7073f1f8012SMatthew Ahrens zlc->l_entry.le_type); 7083f1f8012SMatthew Ahrens } 7093f1f8012SMatthew Ahrens } 7103f1f8012SMatthew Ahrens 7113f1f8012SMatthew Ahrens return (DCMD_OK); 7123f1f8012SMatthew Ahrens } 7133f1f8012SMatthew Ahrens 714fa9e4066Sahrens typedef struct dbufs_data { 715fa9e4066Sahrens mdb_ctf_id_t id; 716fa9e4066Sahrens uint64_t objset; 717fa9e4066Sahrens uint64_t object; 718fa9e4066Sahrens uint64_t level; 719fa9e4066Sahrens uint64_t blkid; 720fa9e4066Sahrens char *osname; 721fa9e4066Sahrens } dbufs_data_t; 722fa9e4066Sahrens 723fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 724fa9e4066Sahrens 725fa9e4066Sahrens /* ARGSUSED */ 726fa9e4066Sahrens static int 727fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 728fa9e4066Sahrens { 729fa9e4066Sahrens dbufs_data_t *data = arg; 730fa9e4066Sahrens uintptr_t objset; 731fa9e4066Sahrens dmu_buf_t db; 732fa9e4066Sahrens uint8_t level; 733fa9e4066Sahrens uint64_t blkid; 7349adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 735fa9e4066Sahrens 736fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 737fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 738fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 739fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 740fa9e4066Sahrens return (WALK_ERR); 741fa9e4066Sahrens } 742fa9e4066Sahrens 743fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 744fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 745fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 746fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 747fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 748fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 749fa9e4066Sahrens mdb_printf("%#lr\n", addr); 750fa9e4066Sahrens } 751fa9e4066Sahrens return (WALK_NEXT); 752fa9e4066Sahrens } 753fa9e4066Sahrens 754fa9e4066Sahrens /* ARGSUSED */ 755fa9e4066Sahrens static int 756fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 757fa9e4066Sahrens { 758fa9e4066Sahrens dbufs_data_t data; 759fa9e4066Sahrens char *object = NULL; 760fa9e4066Sahrens char *blkid = NULL; 761fa9e4066Sahrens 762fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 763fa9e4066Sahrens data.osname = NULL; 764fa9e4066Sahrens 765fa9e4066Sahrens if (mdb_getopts(argc, argv, 766fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 767fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 768fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 769fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 770fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 771fa9e4066Sahrens return (DCMD_USAGE); 772fa9e4066Sahrens } 773fa9e4066Sahrens 774fa9e4066Sahrens if (object) { 775fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 776fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 777fa9e4066Sahrens } else { 778fa9e4066Sahrens data.object = mdb_strtoull(object); 779fa9e4066Sahrens } 780fa9e4066Sahrens } 781fa9e4066Sahrens 782fa9e4066Sahrens if (blkid) { 783fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7840a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 785fa9e4066Sahrens } else { 786fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 787fa9e4066Sahrens } 788fa9e4066Sahrens } 789fa9e4066Sahrens 79028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 791fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 792fa9e4066Sahrens return (DCMD_ERR); 793fa9e4066Sahrens } 794fa9e4066Sahrens 7955f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 796fa9e4066Sahrens mdb_warn("can't walk dbufs"); 797fa9e4066Sahrens return (DCMD_ERR); 798fa9e4066Sahrens } 799fa9e4066Sahrens 800fa9e4066Sahrens return (DCMD_OK); 801fa9e4066Sahrens } 802fa9e4066Sahrens 803fa9e4066Sahrens typedef struct abuf_find_data { 804fa9e4066Sahrens dva_t dva; 805fa9e4066Sahrens mdb_ctf_id_t id; 806fa9e4066Sahrens } abuf_find_data_t; 807fa9e4066Sahrens 808fa9e4066Sahrens /* ARGSUSED */ 809fa9e4066Sahrens static int 810fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 811fa9e4066Sahrens { 812fa9e4066Sahrens abuf_find_data_t *data = arg; 813fa9e4066Sahrens dva_t dva; 814fa9e4066Sahrens 815fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 816fa9e4066Sahrens return (WALK_ERR); 817fa9e4066Sahrens } 818fa9e4066Sahrens 819fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 820fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 821fa9e4066Sahrens mdb_printf("%#lr\n", addr); 822fa9e4066Sahrens } 823fa9e4066Sahrens return (WALK_NEXT); 824fa9e4066Sahrens } 825fa9e4066Sahrens 826fa9e4066Sahrens /* ARGSUSED */ 827fa9e4066Sahrens static int 828fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 829fa9e4066Sahrens { 830fa9e4066Sahrens abuf_find_data_t data; 831fa9e4066Sahrens GElf_Sym sym; 832fa9e4066Sahrens int i; 833fa9e4066Sahrens const char *syms[] = { 834a2eea2e1Sahrens "ARC_mru", 835a2eea2e1Sahrens "ARC_mru_ghost", 836a2eea2e1Sahrens "ARC_mfu", 837a2eea2e1Sahrens "ARC_mfu_ghost", 838fa9e4066Sahrens }; 839fa9e4066Sahrens 840fa9e4066Sahrens if (argc != 2) 841fa9e4066Sahrens return (DCMD_USAGE); 842fa9e4066Sahrens 843fa9e4066Sahrens for (i = 0; i < 2; i ++) { 844fa9e4066Sahrens switch (argv[i].a_type) { 845fa9e4066Sahrens case MDB_TYPE_STRING: 846fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 847fa9e4066Sahrens break; 848fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 849fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 850fa9e4066Sahrens break; 851fa9e4066Sahrens default: 852fa9e4066Sahrens return (DCMD_USAGE); 853fa9e4066Sahrens } 854fa9e4066Sahrens } 855fa9e4066Sahrens 85628e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 857fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 858fa9e4066Sahrens return (DCMD_ERR); 859fa9e4066Sahrens } 860fa9e4066Sahrens 861fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 86222ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 863fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 864fa9e4066Sahrens return (DCMD_ERR); 865fa9e4066Sahrens } 866fa9e4066Sahrens 867fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 868fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 869fa9e4066Sahrens return (DCMD_ERR); 870fa9e4066Sahrens } 871fa9e4066Sahrens } 872fa9e4066Sahrens 873fa9e4066Sahrens return (DCMD_OK); 874fa9e4066Sahrens } 875fa9e4066Sahrens 87628e4da25SMatthew Ahrens 87728e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 87828e4da25SMatthew Ahrens boolean_t da_verbose; 87928e4da25SMatthew Ahrens boolean_t da_address; 88028e4da25SMatthew Ahrens } dbgmsg_arg_t; 88128e4da25SMatthew Ahrens 88244cb6abcSbmc /* ARGSUSED */ 88344cb6abcSbmc static int 8843f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8853f9d6ad7SLin Ling { 8863f9d6ad7SLin Ling static mdb_ctf_id_t id; 8873f9d6ad7SLin Ling static boolean_t gotid; 8883f9d6ad7SLin Ling static ulong_t off; 8893f9d6ad7SLin Ling 89028e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8913f9d6ad7SLin Ling time_t timestamp; 8923f9d6ad7SLin Ling char buf[1024]; 8933f9d6ad7SLin Ling 8943f9d6ad7SLin Ling if (!gotid) { 89528e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 89628e4da25SMatthew Ahrens -1) { 8973f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8983f9d6ad7SLin Ling return (WALK_ERR); 8993f9d6ad7SLin Ling } 9003f9d6ad7SLin Ling gotid = TRUE; 9013f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 9023f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 9033f9d6ad7SLin Ling return (WALK_ERR); 9043f9d6ad7SLin Ling } 9053f9d6ad7SLin Ling off /= 8; 9063f9d6ad7SLin Ling } 9073f9d6ad7SLin Ling 9083f9d6ad7SLin Ling 9093f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 9103f9d6ad7SLin Ling return (WALK_ERR); 9113f9d6ad7SLin Ling } 9123f9d6ad7SLin Ling 9133f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 9143f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 9153f9d6ad7SLin Ling return (DCMD_ERR); 9163f9d6ad7SLin Ling } 9173f9d6ad7SLin Ling 91828e4da25SMatthew Ahrens if (da->da_address) 91928e4da25SMatthew Ahrens mdb_printf("%p ", addr); 92028e4da25SMatthew Ahrens if (da->da_verbose) 9213f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 9223f9d6ad7SLin Ling 9233f9d6ad7SLin Ling mdb_printf("%s\n", buf); 9243f9d6ad7SLin Ling 92528e4da25SMatthew Ahrens if (da->da_verbose) 9263f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 9273f9d6ad7SLin Ling 9283f9d6ad7SLin Ling return (WALK_NEXT); 9293f9d6ad7SLin Ling } 9303f9d6ad7SLin Ling 9313f9d6ad7SLin Ling /* ARGSUSED */ 9323f9d6ad7SLin Ling static int 9333f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 9343f9d6ad7SLin Ling { 9353f9d6ad7SLin Ling GElf_Sym sym; 93628e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 9373f9d6ad7SLin Ling 9383f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 93928e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 94028e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 9413f9d6ad7SLin Ling NULL) != argc) 9423f9d6ad7SLin Ling return (DCMD_USAGE); 9433f9d6ad7SLin Ling 9443b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 9453f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 9463f9d6ad7SLin Ling return (DCMD_ERR); 9473f9d6ad7SLin Ling } 9483f9d6ad7SLin Ling 94928e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 9503f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 9513f9d6ad7SLin Ling return (DCMD_ERR); 9523f9d6ad7SLin Ling } 9533f9d6ad7SLin Ling 9543f9d6ad7SLin Ling return (DCMD_OK); 9553f9d6ad7SLin Ling } 9563f9d6ad7SLin Ling 9573f9d6ad7SLin Ling /*ARGSUSED*/ 9583f9d6ad7SLin Ling static int 95944cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 96044cb6abcSbmc { 96144cb6abcSbmc kstat_named_t *stats; 96244cb6abcSbmc GElf_Sym sym; 96391ebeef5Sahrens int nstats, i; 96444cb6abcSbmc uint_t opt_a = FALSE; 96591ebeef5Sahrens uint_t opt_b = FALSE; 96691ebeef5Sahrens uint_t shift = 0; 96791ebeef5Sahrens const char *suffix; 96844cb6abcSbmc 96991ebeef5Sahrens static const char *bytestats[] = { 9709253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 97120128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9724076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 9734076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 9744076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 9754076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 9764076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 9774076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 9784076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 9794076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 9804076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 9814076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 982dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 9839253d63dSGeorge Wilson NULL 98491ebeef5Sahrens }; 98591ebeef5Sahrens 98691ebeef5Sahrens static const char *extras[] = { 98791ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 98891ebeef5Sahrens NULL 98944cb6abcSbmc }; 99044cb6abcSbmc 99122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 99244cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 99344cb6abcSbmc return (DCMD_ERR); 99444cb6abcSbmc } 99544cb6abcSbmc 99644cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 99744cb6abcSbmc 99844cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 99944cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 100044cb6abcSbmc return (DCMD_ERR); 100144cb6abcSbmc } 100244cb6abcSbmc 100344cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 100444cb6abcSbmc 100591ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 100691ebeef5Sahrens if (mdb_getopts(argc, argv, 100791ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 100891ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 100991ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 101091ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 101191ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 101291ebeef5Sahrens NULL) != argc) 101344cb6abcSbmc return (DCMD_USAGE); 101444cb6abcSbmc 101591ebeef5Sahrens if (!opt_b && !shift) 101691ebeef5Sahrens shift = 20; 101744cb6abcSbmc 101891ebeef5Sahrens switch (shift) { 101991ebeef5Sahrens case 0: 102091ebeef5Sahrens suffix = "B"; 102191ebeef5Sahrens break; 102291ebeef5Sahrens case 10: 102391ebeef5Sahrens suffix = "KB"; 102491ebeef5Sahrens break; 102591ebeef5Sahrens case 20: 102691ebeef5Sahrens suffix = "MB"; 102791ebeef5Sahrens break; 102891ebeef5Sahrens case 30: 102991ebeef5Sahrens suffix = "GB"; 103091ebeef5Sahrens break; 103191ebeef5Sahrens default: 103291ebeef5Sahrens suffix = "XX"; 103391ebeef5Sahrens } 103491ebeef5Sahrens 103544cb6abcSbmc for (i = 0; i < nstats; i++) { 103691ebeef5Sahrens int j; 103791ebeef5Sahrens boolean_t bytes = B_FALSE; 103891ebeef5Sahrens 103991ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 104091ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 104191ebeef5Sahrens bytes = B_TRUE; 104291ebeef5Sahrens break; 104391ebeef5Sahrens } 104491ebeef5Sahrens } 104591ebeef5Sahrens 104691ebeef5Sahrens if (bytes) { 104791ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 104891ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 104991ebeef5Sahrens } else { 105091ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 105144cb6abcSbmc stats[i].value.ui64); 105244cb6abcSbmc } 105344cb6abcSbmc } 105444cb6abcSbmc 105591ebeef5Sahrens for (i = 0; extras[i]; i++) { 105644cb6abcSbmc uint64_t buf; 105744cb6abcSbmc 105822ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 105991ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 106044cb6abcSbmc return (DCMD_ERR); 106144cb6abcSbmc } 106244cb6abcSbmc 106344cb6abcSbmc if (sym.st_size != sizeof (uint64_t) && 106444cb6abcSbmc sym.st_size != sizeof (uint32_t)) { 106591ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 106691ebeef5Sahrens extras[i]); 106744cb6abcSbmc return (DCMD_ERR); 106844cb6abcSbmc } 106944cb6abcSbmc 107044cb6abcSbmc if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 107191ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 107244cb6abcSbmc return (DCMD_ERR); 107344cb6abcSbmc } 107444cb6abcSbmc 107591ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 107644cb6abcSbmc 107791ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 107844cb6abcSbmc if (sym.st_size == sizeof (uint64_t)) 107991ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 108044cb6abcSbmc 108144cb6abcSbmc if (sym.st_size == sizeof (uint32_t)) 108291ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 108344cb6abcSbmc } 108444cb6abcSbmc return (DCMD_OK); 108544cb6abcSbmc } 108644cb6abcSbmc 108722ce0148SMatthew Ahrens typedef struct mdb_spa_print { 108822ce0148SMatthew Ahrens pool_state_t spa_state; 10899adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 109091e2a09fSSteve Gonczi uintptr_t spa_normal_class; 109122ce0148SMatthew Ahrens } mdb_spa_print_t; 109222ce0148SMatthew Ahrens 109391e2a09fSSteve Gonczi 109491e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 109591e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 109691e2a09fSSteve Gonczi 109791e2a09fSSteve Gonczi static void 109891e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 109991e2a09fSSteve Gonczi { 110091e2a09fSSteve Gonczi int i; 110191e2a09fSSteve Gonczi int minidx = size - 1; 110291e2a09fSSteve Gonczi int maxidx = 0; 110391e2a09fSSteve Gonczi uint64_t max = 0; 110491e2a09fSSteve Gonczi 110591e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 110691e2a09fSSteve Gonczi if (histo[i] > max) 110791e2a09fSSteve Gonczi max = histo[i]; 110891e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 110991e2a09fSSteve Gonczi maxidx = i; 111091e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 111191e2a09fSSteve Gonczi minidx = i; 111291e2a09fSSteve Gonczi } 111391e2a09fSSteve Gonczi 111491e2a09fSSteve Gonczi if (max < histo_width) 111591e2a09fSSteve Gonczi max = histo_width; 111691e2a09fSSteve Gonczi 111791e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 111891e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 111991e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 112091e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 112191e2a09fSSteve Gonczi } 112291e2a09fSSteve Gonczi } 112391e2a09fSSteve Gonczi 112491e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 112591e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 112691e2a09fSSteve Gonczi } mdb_metaslab_class_t; 112791e2a09fSSteve Gonczi 112891e2a09fSSteve Gonczi /* 112991e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 113091e2a09fSSteve Gonczi * 113191e2a09fSSteve Gonczi * Prints free space histogram for a device class 113291e2a09fSSteve Gonczi * 113391e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 113491e2a09fSSteve Gonczi */ 113591e2a09fSSteve Gonczi static int 113691e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 113791e2a09fSSteve Gonczi { 113891e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 113991e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 114091e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 114191e2a09fSSteve Gonczi return (DCMD_ERR); 114291e2a09fSSteve Gonczi 114391e2a09fSSteve Gonczi mdb_inc_indent(4); 114491e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 114591e2a09fSSteve Gonczi mdb_dec_indent(4); 114691e2a09fSSteve Gonczi return (DCMD_OK); 114791e2a09fSSteve Gonczi } 114891e2a09fSSteve Gonczi 1149fa9e4066Sahrens /* 1150fa9e4066Sahrens * ::spa 1151fa9e4066Sahrens * 1152fa9e4066Sahrens * -c Print configuration information as well 1153fa9e4066Sahrens * -v Print vdev state 1154fa9e4066Sahrens * -e Print vdev error stats 11552e4c9986SGeorge Wilson * -m Print vdev metaslab info 11562e4c9986SGeorge Wilson * -M print vdev metaslab group info 11572e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1158fa9e4066Sahrens * 1159fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1160fa9e4066Sahrens * active pools on the system. 1161fa9e4066Sahrens */ 1162fa9e4066Sahrens /* ARGSUSED */ 1163fa9e4066Sahrens static int 1164fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1165fa9e4066Sahrens { 1166fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1167e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1168fa9e4066Sahrens const char *state; 11692e4c9986SGeorge Wilson int spa_flags = 0; 1170fa9e4066Sahrens 1171fa9e4066Sahrens if (mdb_getopts(argc, argv, 11722e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 11732e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 11742e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 11752e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 11762e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 11772e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1178fa9e4066Sahrens NULL) != argc) 1179fa9e4066Sahrens return (DCMD_USAGE); 1180fa9e4066Sahrens 1181fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1182fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1183fa9e4066Sahrens mdb_warn("can't walk spa"); 1184fa9e4066Sahrens return (DCMD_ERR); 1185fa9e4066Sahrens } 1186fa9e4066Sahrens 1187fa9e4066Sahrens return (DCMD_OK); 1188fa9e4066Sahrens } 1189fa9e4066Sahrens 1190fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1191fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1192fa9e4066Sahrens return (DCMD_OK); 1193fa9e4066Sahrens } 1194fa9e4066Sahrens 1195fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1196fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1197fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1198fa9e4066Sahrens 119922ce0148SMatthew Ahrens mdb_spa_print_t spa; 120022ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1201fa9e4066Sahrens return (DCMD_ERR); 1202fa9e4066Sahrens 1203fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1204ea8dc4b6Seschrock state = "UNKNOWN"; 1205fa9e4066Sahrens else 1206fa9e4066Sahrens state = statetab[spa.spa_state]; 1207fa9e4066Sahrens 1208e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 120991e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 121091e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1211fa9e4066Sahrens 12122e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1213fa9e4066Sahrens mdb_printf("\n"); 1214fa9e4066Sahrens mdb_inc_indent(4); 1215fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1216fa9e4066Sahrens NULL) != DCMD_OK) 1217fa9e4066Sahrens return (DCMD_ERR); 1218fa9e4066Sahrens mdb_dec_indent(4); 1219fa9e4066Sahrens } 1220fa9e4066Sahrens 12212e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1222fa9e4066Sahrens mdb_arg_t v; 12232e4c9986SGeorge Wilson char opts[100] = "-"; 12242e4c9986SGeorge Wilson int args = 12252e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 12262e4c9986SGeorge Wilson 12272e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 12282e4c9986SGeorge Wilson strcat(opts, "e"); 12292e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 12302e4c9986SGeorge Wilson strcat(opts, "m"); 12312e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 12322e4c9986SGeorge Wilson strcat(opts, "M"); 12332e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 12342e4c9986SGeorge Wilson strcat(opts, "h"); 1235fa9e4066Sahrens 1236fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 12372e4c9986SGeorge Wilson v.a_un.a_str = opts; 1238fa9e4066Sahrens 1239fa9e4066Sahrens mdb_printf("\n"); 1240fa9e4066Sahrens mdb_inc_indent(4); 12412e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1242fa9e4066Sahrens &v) != DCMD_OK) 1243fa9e4066Sahrens return (DCMD_ERR); 1244fa9e4066Sahrens mdb_dec_indent(4); 1245fa9e4066Sahrens } 1246fa9e4066Sahrens 1247fa9e4066Sahrens return (DCMD_OK); 1248fa9e4066Sahrens } 1249fa9e4066Sahrens 125028e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1251d5ee8a13SMatthew Ahrens uintptr_t spa_config; 125228e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 125328e4da25SMatthew Ahrens 1254fa9e4066Sahrens /* 1255fa9e4066Sahrens * ::spa_config 1256fa9e4066Sahrens * 1257fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1258fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1259fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1260fa9e4066Sahrens */ 1261fa9e4066Sahrens /* ARGSUSED */ 1262fa9e4066Sahrens static int 1263fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1264fa9e4066Sahrens { 126528e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1266fa9e4066Sahrens 1267fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1268fa9e4066Sahrens return (DCMD_USAGE); 1269fa9e4066Sahrens 127028e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 127128e4da25SMatthew Ahrens addr, 0) == -1) 1272fa9e4066Sahrens return (DCMD_ERR); 1273fa9e4066Sahrens 1274d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1275fa9e4066Sahrens mdb_printf("(none)\n"); 1276fa9e4066Sahrens return (DCMD_OK); 1277fa9e4066Sahrens } 1278fa9e4066Sahrens 1279d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1280fa9e4066Sahrens 0, NULL)); 1281fa9e4066Sahrens } 1282fa9e4066Sahrens 12832e4c9986SGeorge Wilson 12842e4c9986SGeorge Wilson 12852e4c9986SGeorge Wilson typedef struct mdb_range_tree { 12862e4c9986SGeorge Wilson uint64_t rt_space; 12872e4c9986SGeorge Wilson } mdb_range_tree_t; 12882e4c9986SGeorge Wilson 12892e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 12902e4c9986SGeorge Wilson uint64_t mg_fragmentation; 12912e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 12928363e80aSGeorge Wilson uintptr_t mg_vd; 12932e4c9986SGeorge Wilson } mdb_metaslab_group_t; 12942e4c9986SGeorge Wilson 12952e4c9986SGeorge Wilson typedef struct mdb_metaslab { 12962e4c9986SGeorge Wilson uint64_t ms_id; 12972e4c9986SGeorge Wilson uint64_t ms_start; 12982e4c9986SGeorge Wilson uint64_t ms_size; 12998363e80aSGeorge Wilson int64_t ms_deferspace; 13002e4c9986SGeorge Wilson uint64_t ms_fragmentation; 13018363e80aSGeorge Wilson uint64_t ms_weight; 13022e4c9986SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 13035f145778SMatthew Ahrens uintptr_t ms_freeingtree; 13045f145778SMatthew Ahrens uintptr_t ms_freedtree; 13052e4c9986SGeorge Wilson uintptr_t ms_tree; 13062e4c9986SGeorge Wilson uintptr_t ms_sm; 13072e4c9986SGeorge Wilson } mdb_metaslab_t; 13082e4c9986SGeorge Wilson 13092e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 13102e4c9986SGeorge Wilson uint64_t smp_alloc; 13112e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 13122e4c9986SGeorge Wilson } mdb_space_map_phys_t; 13132e4c9986SGeorge Wilson 13142e4c9986SGeorge Wilson typedef struct mdb_space_map { 13152e4c9986SGeorge Wilson uint64_t sm_size; 13162e4c9986SGeorge Wilson uint8_t sm_shift; 13172e4c9986SGeorge Wilson uint64_t sm_alloc; 13182e4c9986SGeorge Wilson uintptr_t sm_phys; 13192e4c9986SGeorge Wilson } mdb_space_map_t; 13202e4c9986SGeorge Wilson 13212e4c9986SGeorge Wilson typedef struct mdb_vdev { 13228363e80aSGeorge Wilson uintptr_t vdev_path; 13232e4c9986SGeorge Wilson uintptr_t vdev_ms; 13248363e80aSGeorge Wilson uintptr_t vdev_ops; 13252e4c9986SGeorge Wilson uint64_t vdev_ms_count; 13268363e80aSGeorge Wilson uint64_t vdev_id; 13272e4c9986SGeorge Wilson vdev_stat_t vdev_stat; 13282e4c9986SGeorge Wilson } mdb_vdev_t; 13292e4c9986SGeorge Wilson 13308363e80aSGeorge Wilson typedef struct mdb_vdev_ops { 13318363e80aSGeorge Wilson char vdev_op_type[16]; 13328363e80aSGeorge Wilson } mdb_vdev_ops_t; 13338363e80aSGeorge Wilson 13342e4c9986SGeorge Wilson static int 13352e4c9986SGeorge Wilson metaslab_stats(uintptr_t addr, int spa_flags) 13362e4c9986SGeorge Wilson { 13372e4c9986SGeorge Wilson mdb_vdev_t vdev; 13382e4c9986SGeorge Wilson uintptr_t *vdev_ms; 13392e4c9986SGeorge Wilson 13402e4c9986SGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 13412e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 13422e4c9986SGeorge Wilson mdb_warn("failed to read vdev at %p\n", addr); 13432e4c9986SGeorge Wilson return (DCMD_ERR); 13442e4c9986SGeorge Wilson } 13452e4c9986SGeorge Wilson 13462e4c9986SGeorge Wilson mdb_inc_indent(4); 13472e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %6s %20s %10s %9s%</u>\n", "ADDR", "ID", 13482e4c9986SGeorge Wilson "OFFSET", "FREE", "FRAGMENTATION"); 13492e4c9986SGeorge Wilson 13502e4c9986SGeorge Wilson vdev_ms = mdb_alloc(vdev.vdev_ms_count * sizeof (void *), 13512e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 13522e4c9986SGeorge Wilson if (mdb_vread(vdev_ms, vdev.vdev_ms_count * sizeof (void *), 13532e4c9986SGeorge Wilson (uintptr_t)vdev.vdev_ms) == -1) { 13542e4c9986SGeorge Wilson mdb_warn("failed to read vdev_ms at %p\n", vdev.vdev_ms); 13552e4c9986SGeorge Wilson return (DCMD_ERR); 13562e4c9986SGeorge Wilson } 13572e4c9986SGeorge Wilson 13582e4c9986SGeorge Wilson for (int m = 0; m < vdev.vdev_ms_count; m++) { 13592e4c9986SGeorge Wilson mdb_metaslab_t ms; 13602e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 13612e4c9986SGeorge Wilson char free[NICENUM_BUFLEN]; 13622e4c9986SGeorge Wilson 13632e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 13642e4c9986SGeorge Wilson (uintptr_t)vdev_ms[m], 0) == -1) 13652e4c9986SGeorge Wilson return (DCMD_ERR); 13662e4c9986SGeorge Wilson 13672e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 13682e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 13692e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 13702e4c9986SGeorge Wilson return (DCMD_ERR); 13712e4c9986SGeorge Wilson 13722e4c9986SGeorge Wilson mdb_nicenum(ms.ms_size - sm.sm_alloc, free); 13732e4c9986SGeorge Wilson 13742e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 13752e4c9986SGeorge Wilson ms.ms_start, free); 13762e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 13772e4c9986SGeorge Wilson mdb_printf("%9s\n", "-"); 13782e4c9986SGeorge Wilson else 13792e4c9986SGeorge Wilson mdb_printf("%9llu%%\n", ms.ms_fragmentation); 13802e4c9986SGeorge Wilson 13812e4c9986SGeorge Wilson if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != NULL) { 13822e4c9986SGeorge Wilson mdb_space_map_phys_t smp; 13832e4c9986SGeorge Wilson 13842e4c9986SGeorge Wilson if (sm.sm_phys == NULL) 13852e4c9986SGeorge Wilson continue; 13862e4c9986SGeorge Wilson 13872e4c9986SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 13882e4c9986SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 13892e4c9986SGeorge Wilson 13902e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 13912e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 13922e4c9986SGeorge Wilson } 13932e4c9986SGeorge Wilson } 13942e4c9986SGeorge Wilson mdb_dec_indent(4); 13952e4c9986SGeorge Wilson return (DCMD_OK); 13962e4c9986SGeorge Wilson } 13972e4c9986SGeorge Wilson 13982e4c9986SGeorge Wilson static int 13992e4c9986SGeorge Wilson metaslab_group_stats(uintptr_t addr, int spa_flags) 14002e4c9986SGeorge Wilson { 14012e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 14022e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 14032e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 14042e4c9986SGeorge Wilson mdb_warn("failed to read vdev_mg at %p\n", addr); 14052e4c9986SGeorge Wilson return (DCMD_ERR); 14062e4c9986SGeorge Wilson } 14072e4c9986SGeorge Wilson 14082e4c9986SGeorge Wilson mdb_inc_indent(4); 14092e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %15s%</u>\n", "ADDR", "FRAGMENTATION"); 14102e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 14112e4c9986SGeorge Wilson mdb_printf("%0?p %15s\n", addr, "-"); 14122e4c9986SGeorge Wilson else 14132e4c9986SGeorge Wilson mdb_printf("%0?p %15llu%%\n", addr, mg.mg_fragmentation); 14142e4c9986SGeorge Wilson 14152e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14162e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 14172e4c9986SGeorge Wilson mdb_dec_indent(4); 14182e4c9986SGeorge Wilson return (DCMD_OK); 14192e4c9986SGeorge Wilson } 14202e4c9986SGeorge Wilson 1421fa9e4066Sahrens /* 1422fa9e4066Sahrens * ::vdev 1423fa9e4066Sahrens * 1424fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1425fa9e4066Sahrens * 1426fa9e4066Sahrens * ADDR STATE AUX DESC 1427fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1428fa9e4066Sahrens * 1429fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1430fa9e4066Sahrens * 1431fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1432fa9e4066Sahrens */ 1433fa9e4066Sahrens static int 14342e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 14352e4c9986SGeorge Wilson int spa_flags) 1436fa9e4066Sahrens { 1437fa9e4066Sahrens vdev_t vdev; 1438fa9e4066Sahrens char desc[MAXNAMELEN]; 1439fa9e4066Sahrens int c, children; 1440fa9e4066Sahrens uintptr_t *child; 1441fa9e4066Sahrens const char *state, *aux; 1442fa9e4066Sahrens 1443fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1444fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1445fa9e4066Sahrens return (DCMD_ERR); 1446fa9e4066Sahrens } 1447fa9e4066Sahrens 1448fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1449b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1450fa9e4066Sahrens } else { 1451fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1452fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1453fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1454fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1455fa9e4066Sahrens vdev.vdev_path); 1456fa9e4066Sahrens return (DCMD_ERR); 1457fa9e4066Sahrens } 1458fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1459fa9e4066Sahrens vdev_ops_t ops; 1460fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1461fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1462fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1463fa9e4066Sahrens vdev.vdev_ops); 1464fa9e4066Sahrens return (DCMD_ERR); 1465fa9e4066Sahrens } 1466fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1467fa9e4066Sahrens } else { 1468fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1469fa9e4066Sahrens } 1470fa9e4066Sahrens 1471fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1472fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1473fa9e4066Sahrens "ADDR", "STATE", "AUX", 1474fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1475fa9e4066Sahrens "DESCRIPTION"); 1476fa9e4066Sahrens 1477fa9e4066Sahrens mdb_printf("%0?p ", addr); 1478fa9e4066Sahrens 1479fa9e4066Sahrens switch (vdev.vdev_state) { 1480fa9e4066Sahrens case VDEV_STATE_CLOSED: 1481fa9e4066Sahrens state = "CLOSED"; 1482fa9e4066Sahrens break; 1483fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1484fa9e4066Sahrens state = "OFFLINE"; 1485fa9e4066Sahrens break; 1486fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1487fa9e4066Sahrens state = "CANT_OPEN"; 1488fa9e4066Sahrens break; 1489fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1490fa9e4066Sahrens state = "DEGRADED"; 1491fa9e4066Sahrens break; 1492fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1493fa9e4066Sahrens state = "HEALTHY"; 1494fa9e4066Sahrens break; 14953d7072f8Seschrock case VDEV_STATE_REMOVED: 14963d7072f8Seschrock state = "REMOVED"; 14973d7072f8Seschrock break; 14983d7072f8Seschrock case VDEV_STATE_FAULTED: 14993d7072f8Seschrock state = "FAULTED"; 15003d7072f8Seschrock break; 1501fa9e4066Sahrens default: 1502fa9e4066Sahrens state = "UNKNOWN"; 1503fa9e4066Sahrens break; 1504fa9e4066Sahrens } 1505fa9e4066Sahrens 1506fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1507fa9e4066Sahrens case VDEV_AUX_NONE: 1508fa9e4066Sahrens aux = "-"; 1509fa9e4066Sahrens break; 1510fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1511fa9e4066Sahrens aux = "OPEN_FAILED"; 1512fa9e4066Sahrens break; 1513fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1514fa9e4066Sahrens aux = "CORRUPT_DATA"; 1515fa9e4066Sahrens break; 1516fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1517fa9e4066Sahrens aux = "NO_REPLICAS"; 1518fa9e4066Sahrens break; 1519fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1520fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1521fa9e4066Sahrens break; 1522fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1523fa9e4066Sahrens aux = "TOO_SMALL"; 1524fa9e4066Sahrens break; 1525fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1526fa9e4066Sahrens aux = "BAD_LABEL"; 1527fa9e4066Sahrens break; 1528b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1529b87f3af3Sperrin aux = "VERS_NEWER"; 1530b87f3af3Sperrin break; 1531b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1532b87f3af3Sperrin aux = "VERS_OLDER"; 1533b87f3af3Sperrin break; 1534ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1535ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1536ad135b5dSChristopher Siden break; 1537b87f3af3Sperrin case VDEV_AUX_SPARED: 1538b87f3af3Sperrin aux = "SPARED"; 1539b87f3af3Sperrin break; 1540b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1541b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1542b87f3af3Sperrin break; 1543b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1544b87f3af3Sperrin aux = "IO_FAILURE"; 1545b87f3af3Sperrin break; 1546b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1547b87f3af3Sperrin aux = "BAD_LOG"; 1548b87f3af3Sperrin break; 15491195e687SMark J Musante case VDEV_AUX_EXTERNAL: 15501195e687SMark J Musante aux = "EXTERNAL"; 15511195e687SMark J Musante break; 15521195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 15531195e687SMark J Musante aux = "SPLIT_POOL"; 15541195e687SMark J Musante break; 1555fa9e4066Sahrens default: 1556fa9e4066Sahrens aux = "UNKNOWN"; 1557fa9e4066Sahrens break; 1558fa9e4066Sahrens } 1559fa9e4066Sahrens 1560fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1561fa9e4066Sahrens 15622e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1563fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1564fa9e4066Sahrens int i; 1565fa9e4066Sahrens 1566fa9e4066Sahrens mdb_inc_indent(4); 1567fa9e4066Sahrens mdb_printf("\n"); 1568fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1569fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1570fa9e4066Sahrens "IOCTL"); 1571fa9e4066Sahrens mdb_printf("OPS "); 1572fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1573fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1574fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1575fa9e4066Sahrens mdb_printf("\n"); 1576fa9e4066Sahrens mdb_printf("BYTES "); 1577fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1578fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1579fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1580fa9e4066Sahrens 1581fa9e4066Sahrens 1582fa9e4066Sahrens mdb_printf("\n"); 1583fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1584fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1585fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1586fa9e4066Sahrens vs->vs_checksum_errors); 1587fa9e4066Sahrens mdb_dec_indent(4); 15882e4c9986SGeorge Wilson mdb_printf("\n"); 1589fa9e4066Sahrens } 1590fa9e4066Sahrens 15912e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS && 15922e4c9986SGeorge Wilson vdev.vdev_mg != NULL) { 15932e4c9986SGeorge Wilson metaslab_group_stats((uintptr_t)vdev.vdev_mg, 15942e4c9986SGeorge Wilson spa_flags); 15952e4c9986SGeorge Wilson } 15962e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS && vdev.vdev_ms != NULL) { 15972e4c9986SGeorge Wilson metaslab_stats((uintptr_t)addr, spa_flags); 15982e4c9986SGeorge Wilson } 1599fa9e4066Sahrens } 1600fa9e4066Sahrens 1601fa9e4066Sahrens children = vdev.vdev_children; 1602fa9e4066Sahrens 1603fa9e4066Sahrens if (children == 0 || !recursive) 1604fa9e4066Sahrens return (DCMD_OK); 1605fa9e4066Sahrens 1606fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1607fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1608fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1609fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1610fa9e4066Sahrens return (DCMD_ERR); 1611fa9e4066Sahrens } 1612fa9e4066Sahrens 1613fa9e4066Sahrens for (c = 0; c < children; c++) { 16142e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 16152e4c9986SGeorge Wilson spa_flags)) { 1616fa9e4066Sahrens return (DCMD_ERR); 1617fa9e4066Sahrens } 16182e4c9986SGeorge Wilson } 1619fa9e4066Sahrens 1620fa9e4066Sahrens return (DCMD_OK); 1621fa9e4066Sahrens } 1622fa9e4066Sahrens 1623fa9e4066Sahrens static int 1624fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1625fa9e4066Sahrens { 1626c5904d13Seschrock uint64_t depth = 0; 16272e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 16282e4c9986SGeorge Wilson int spa_flags = 0; 1629fa9e4066Sahrens 1630fa9e4066Sahrens if (mdb_getopts(argc, argv, 16312e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 16322e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 16332e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 16342e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1635fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 16362e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1637fa9e4066Sahrens return (DCMD_USAGE); 1638fa9e4066Sahrens 1639fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1640fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1641fa9e4066Sahrens return (DCMD_ERR); 1642fa9e4066Sahrens } 1643fa9e4066Sahrens 16442e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1645fa9e4066Sahrens } 1646fa9e4066Sahrens 16478363e80aSGeorge Wilson typedef struct mdb_metaslab_alloc_trace { 16488363e80aSGeorge Wilson uintptr_t mat_mg; 16498363e80aSGeorge Wilson uintptr_t mat_msp; 16508363e80aSGeorge Wilson uint64_t mat_size; 16518363e80aSGeorge Wilson uint64_t mat_weight; 16528363e80aSGeorge Wilson uint64_t mat_offset; 16538363e80aSGeorge Wilson uint32_t mat_dva_id; 16548363e80aSGeorge Wilson } mdb_metaslab_alloc_trace_t; 16558363e80aSGeorge Wilson 16568363e80aSGeorge Wilson static void 16578363e80aSGeorge Wilson metaslab_print_weight(uint64_t weight) 16588363e80aSGeorge Wilson { 16598363e80aSGeorge Wilson char buf[100]; 16608363e80aSGeorge Wilson 16618363e80aSGeorge Wilson if (WEIGHT_IS_SPACEBASED(weight)) { 16628363e80aSGeorge Wilson mdb_nicenum( 16638363e80aSGeorge Wilson weight & ~(METASLAB_ACTIVE_MASK | METASLAB_WEIGHT_TYPE), 16648363e80aSGeorge Wilson buf); 16658363e80aSGeorge Wilson } else { 16668363e80aSGeorge Wilson char size[NICENUM_BUFLEN]; 16678363e80aSGeorge Wilson mdb_nicenum(1ULL << WEIGHT_GET_INDEX(weight), size); 16688363e80aSGeorge Wilson (void) mdb_snprintf(buf, sizeof (buf), "%llu x %s", 16698363e80aSGeorge Wilson WEIGHT_GET_COUNT(weight), size); 16708363e80aSGeorge Wilson } 16718363e80aSGeorge Wilson mdb_printf("%11s ", buf); 16728363e80aSGeorge Wilson } 16738363e80aSGeorge Wilson 16748363e80aSGeorge Wilson /* ARGSUSED */ 16758363e80aSGeorge Wilson static int 16768363e80aSGeorge Wilson metaslab_weight(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 16778363e80aSGeorge Wilson { 16788363e80aSGeorge Wilson uint64_t weight = 0; 16798363e80aSGeorge Wilson char active; 16808363e80aSGeorge Wilson 16818363e80aSGeorge Wilson if (argc == 0 && (flags & DCMD_ADDRSPEC)) { 16828363e80aSGeorge Wilson if (mdb_vread(&weight, sizeof (uint64_t), addr) == -1) { 16838363e80aSGeorge Wilson mdb_warn("failed to read weight at %p\n", addr); 16848363e80aSGeorge Wilson return (DCMD_ERR); 16858363e80aSGeorge Wilson } 16868363e80aSGeorge Wilson } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { 16878363e80aSGeorge Wilson weight = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? 16888363e80aSGeorge Wilson argv[0].a_un.a_val : mdb_strtoull(argv[0].a_un.a_str); 16898363e80aSGeorge Wilson } else { 16908363e80aSGeorge Wilson return (DCMD_USAGE); 16918363e80aSGeorge Wilson } 16928363e80aSGeorge Wilson 16938363e80aSGeorge Wilson if (DCMD_HDRSPEC(flags)) { 16948363e80aSGeorge Wilson mdb_printf("%<u>%-6s %9s %9s%</u>\n", 16958363e80aSGeorge Wilson "ACTIVE", "ALGORITHM", "WEIGHT"); 16968363e80aSGeorge Wilson } 16978363e80aSGeorge Wilson 16988363e80aSGeorge Wilson if (weight & METASLAB_WEIGHT_PRIMARY) 16998363e80aSGeorge Wilson active = 'P'; 17008363e80aSGeorge Wilson else if (weight & METASLAB_WEIGHT_SECONDARY) 17018363e80aSGeorge Wilson active = 'S'; 17028363e80aSGeorge Wilson else 17038363e80aSGeorge Wilson active = '-'; 17048363e80aSGeorge Wilson mdb_printf("%6c %8s ", active, 17058363e80aSGeorge Wilson WEIGHT_IS_SPACEBASED(weight) ? "SPACE" : "SEGMENT"); 17068363e80aSGeorge Wilson metaslab_print_weight(weight); 17078363e80aSGeorge Wilson mdb_printf("\n"); 17088363e80aSGeorge Wilson 17098363e80aSGeorge Wilson return (DCMD_OK); 17108363e80aSGeorge Wilson } 17118363e80aSGeorge Wilson 17128363e80aSGeorge Wilson /* ARGSUSED */ 17138363e80aSGeorge Wilson static int 17148363e80aSGeorge Wilson metaslab_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 17158363e80aSGeorge Wilson { 17168363e80aSGeorge Wilson mdb_metaslab_alloc_trace_t mat; 17178363e80aSGeorge Wilson mdb_metaslab_group_t mg = { 0 }; 17188363e80aSGeorge Wilson char result_type[100]; 17198363e80aSGeorge Wilson 17208363e80aSGeorge Wilson if (mdb_ctf_vread(&mat, "metaslab_alloc_trace_t", 17218363e80aSGeorge Wilson "mdb_metaslab_alloc_trace_t", addr, 0) == -1) { 17228363e80aSGeorge Wilson return (DCMD_ERR); 17238363e80aSGeorge Wilson } 17248363e80aSGeorge Wilson 17258363e80aSGeorge Wilson if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 17268363e80aSGeorge Wilson mdb_printf("%<u>%6s %6s %8s %11s %18s %18s%</u>\n", 17278363e80aSGeorge Wilson "MSID", "DVA", "ASIZE", "WEIGHT", "RESULT", "VDEV"); 17288363e80aSGeorge Wilson } 17298363e80aSGeorge Wilson 17308363e80aSGeorge Wilson if (mat.mat_msp != NULL) { 17318363e80aSGeorge Wilson mdb_metaslab_t ms; 17328363e80aSGeorge Wilson 17338363e80aSGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 17348363e80aSGeorge Wilson mat.mat_msp, 0) == -1) { 17358363e80aSGeorge Wilson return (DCMD_ERR); 17368363e80aSGeorge Wilson } 17378363e80aSGeorge Wilson mdb_printf("%6llu ", ms.ms_id); 17388363e80aSGeorge Wilson } else { 17398363e80aSGeorge Wilson mdb_printf("%6s ", "-"); 17408363e80aSGeorge Wilson } 17418363e80aSGeorge Wilson 17428363e80aSGeorge Wilson mdb_printf("%6d %8llx ", mat.mat_dva_id, mat.mat_size); 17438363e80aSGeorge Wilson 17448363e80aSGeorge Wilson metaslab_print_weight(mat.mat_weight); 17458363e80aSGeorge Wilson 17468363e80aSGeorge Wilson if ((int64_t)mat.mat_offset < 0) { 17478363e80aSGeorge Wilson if (enum_lookup("enum trace_alloc_type", mat.mat_offset, 17488363e80aSGeorge Wilson "TRACE_", sizeof (result_type), result_type) == -1) { 17498363e80aSGeorge Wilson mdb_warn("Could not find enum for trace_alloc_type"); 17508363e80aSGeorge Wilson return (DCMD_ERR); 17518363e80aSGeorge Wilson } 17528363e80aSGeorge Wilson mdb_printf("%18s ", result_type); 17538363e80aSGeorge Wilson } else { 17548363e80aSGeorge Wilson mdb_printf("%<b>%18llx%</b> ", mat.mat_offset); 17558363e80aSGeorge Wilson } 17568363e80aSGeorge Wilson 17578363e80aSGeorge Wilson if (mat.mat_mg != NULL && 17588363e80aSGeorge Wilson mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 17598363e80aSGeorge Wilson mat.mat_mg, 0) == -1) { 17608363e80aSGeorge Wilson return (DCMD_ERR); 17618363e80aSGeorge Wilson } 17628363e80aSGeorge Wilson 17638363e80aSGeorge Wilson if (mg.mg_vd != NULL) { 17648363e80aSGeorge Wilson mdb_vdev_t vdev; 17658363e80aSGeorge Wilson char desc[MAXNAMELEN]; 17668363e80aSGeorge Wilson 17678363e80aSGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 17688363e80aSGeorge Wilson mg.mg_vd, 0) == -1) { 17698363e80aSGeorge Wilson return (DCMD_ERR); 17708363e80aSGeorge Wilson } 17718363e80aSGeorge Wilson 17728363e80aSGeorge Wilson if (vdev.vdev_path != NULL) { 17738363e80aSGeorge Wilson char path[MAXNAMELEN]; 17748363e80aSGeorge Wilson 17758363e80aSGeorge Wilson if (mdb_readstr(path, sizeof (path), 17768363e80aSGeorge Wilson vdev.vdev_path) == -1) { 17778363e80aSGeorge Wilson mdb_warn("failed to read vdev_path at %p\n", 17788363e80aSGeorge Wilson vdev.vdev_path); 17798363e80aSGeorge Wilson return (DCMD_ERR); 17808363e80aSGeorge Wilson } 17818363e80aSGeorge Wilson char *slash; 17828363e80aSGeorge Wilson if ((slash = strrchr(path, '/')) != NULL) { 17838363e80aSGeorge Wilson strcpy(desc, slash + 1); 17848363e80aSGeorge Wilson } else { 17858363e80aSGeorge Wilson strcpy(desc, path); 17868363e80aSGeorge Wilson } 17878363e80aSGeorge Wilson } else if (vdev.vdev_ops != NULL) { 17888363e80aSGeorge Wilson mdb_vdev_ops_t ops; 17898363e80aSGeorge Wilson if (mdb_ctf_vread(&ops, "vdev_ops_t", "mdb_vdev_ops_t", 17908363e80aSGeorge Wilson vdev.vdev_ops, 0) == -1) { 17918363e80aSGeorge Wilson mdb_warn("failed to read vdev_ops at %p\n", 17928363e80aSGeorge Wilson vdev.vdev_ops); 17938363e80aSGeorge Wilson return (DCMD_ERR); 17948363e80aSGeorge Wilson } 17958363e80aSGeorge Wilson (void) mdb_snprintf(desc, sizeof (desc), 17968363e80aSGeorge Wilson "%s-%llu", ops.vdev_op_type, vdev.vdev_id); 17978363e80aSGeorge Wilson } else { 17988363e80aSGeorge Wilson (void) strcpy(desc, "<unknown>"); 17998363e80aSGeorge Wilson } 18008363e80aSGeorge Wilson mdb_printf("%18s\n", desc); 18018363e80aSGeorge Wilson } 18028363e80aSGeorge Wilson 18038363e80aSGeorge Wilson return (DCMD_OK); 18048363e80aSGeorge Wilson } 18058363e80aSGeorge Wilson 18065f5f7a6fSahrens typedef struct metaslab_walk_data { 18075f5f7a6fSahrens uint64_t mw_numvdevs; 18085f5f7a6fSahrens uintptr_t *mw_vdevs; 18095f5f7a6fSahrens int mw_curvdev; 18105f5f7a6fSahrens uint64_t mw_nummss; 18115f5f7a6fSahrens uintptr_t *mw_mss; 18125f5f7a6fSahrens int mw_curms; 18135f5f7a6fSahrens } metaslab_walk_data_t; 18145f5f7a6fSahrens 18155f5f7a6fSahrens static int 18165f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 18175f5f7a6fSahrens { 18185f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 18195f5f7a6fSahrens metaslab_t ms; 18205f5f7a6fSahrens uintptr_t msp; 18215f5f7a6fSahrens 18225f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 18235f5f7a6fSahrens return (WALK_DONE); 18245f5f7a6fSahrens 18255f5f7a6fSahrens if (mw->mw_mss == NULL) { 18265f5f7a6fSahrens uintptr_t mssp; 18275f5f7a6fSahrens uintptr_t vdevp; 18285f5f7a6fSahrens 18295f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 18305f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 18315f5f7a6fSahrens 18325f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 183328e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 183428e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 18355f5f7a6fSahrens return (WALK_ERR); 18365f5f7a6fSahrens } 18375f5f7a6fSahrens 18385f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 18395f5f7a6fSahrens UM_SLEEP | UM_GC); 18405f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 18415f5f7a6fSahrens mssp) == -1) { 18425f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 18435f5f7a6fSahrens return (WALK_ERR); 18445f5f7a6fSahrens } 18455f5f7a6fSahrens } 18465f5f7a6fSahrens 18475f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 18485f5f7a6fSahrens mw->mw_mss = NULL; 18495f5f7a6fSahrens mw->mw_curms = 0; 18505f5f7a6fSahrens mw->mw_nummss = 0; 18515f5f7a6fSahrens mw->mw_curvdev++; 18525f5f7a6fSahrens return (WALK_NEXT); 18535f5f7a6fSahrens } 18545f5f7a6fSahrens 18555f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 18565f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 18575f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 18585f5f7a6fSahrens return (WALK_ERR); 18595f5f7a6fSahrens } 18605f5f7a6fSahrens 18615f5f7a6fSahrens mw->mw_curms++; 18625f5f7a6fSahrens 18635f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 18645f5f7a6fSahrens } 18655f5f7a6fSahrens 18665f5f7a6fSahrens static int 18675f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 18685f5f7a6fSahrens { 18695f5f7a6fSahrens metaslab_walk_data_t *mw; 18705f5f7a6fSahrens uintptr_t root_vdevp; 18715f5f7a6fSahrens uintptr_t childp; 18725f5f7a6fSahrens 18735f5f7a6fSahrens if (wsp->walk_addr == NULL) { 18745f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 18755f5f7a6fSahrens return (WALK_ERR); 18765f5f7a6fSahrens } 18775f5f7a6fSahrens 18785f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 18795f5f7a6fSahrens 188028e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 188128e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 188228e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 18835f5f7a6fSahrens return (DCMD_ERR); 18845f5f7a6fSahrens } 18855f5f7a6fSahrens 18865f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 18875f5f7a6fSahrens UM_SLEEP | UM_GC); 18885f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 18895f5f7a6fSahrens childp) == -1) { 18905f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 18915f5f7a6fSahrens return (DCMD_ERR); 18925f5f7a6fSahrens } 18935f5f7a6fSahrens 18945f5f7a6fSahrens wsp->walk_data = mw; 18955f5f7a6fSahrens 18965f5f7a6fSahrens return (WALK_NEXT); 18975f5f7a6fSahrens } 18985f5f7a6fSahrens 1899fa9e4066Sahrens typedef struct mdb_spa { 1900fa9e4066Sahrens uintptr_t spa_dsl_pool; 1901fa9e4066Sahrens uintptr_t spa_root_vdev; 1902fa9e4066Sahrens } mdb_spa_t; 1903fa9e4066Sahrens 19042515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 19052515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 19062515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 19072515f5d4SJustin T. Gibbs 1908fa9e4066Sahrens typedef struct mdb_dsl_dir { 19092515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 1910fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1911fa9e4066Sahrens } mdb_dsl_dir_t; 1912fa9e4066Sahrens 1913fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1914fa9e4066Sahrens uint64_t dd_used_bytes; 1915fa9e4066Sahrens uint64_t dd_compressed_bytes; 1916fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1917fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1918fa9e4066Sahrens 19195f5f7a6fSahrens typedef struct space_data { 19200713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 19215f145778SMatthew Ahrens uint64_t ms_freeingtree; 19225f145778SMatthew Ahrens uint64_t ms_freedtree; 19230713e232SGeorge Wilson uint64_t ms_tree; 19248363e80aSGeorge Wilson int64_t ms_deferspace; 19255f5f7a6fSahrens uint64_t avail; 19265f5f7a6fSahrens uint64_t nowavail; 19275f5f7a6fSahrens } space_data_t; 19285f5f7a6fSahrens 19295f5f7a6fSahrens /* ARGSUSED */ 19305f5f7a6fSahrens static int 19315f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 19325f5f7a6fSahrens { 19335f5f7a6fSahrens space_data_t *sd = arg; 19345f5f7a6fSahrens mdb_metaslab_t ms; 19350713e232SGeorge Wilson mdb_range_tree_t rt; 19362e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 19370713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 19380713e232SGeorge Wilson int i; 19395f5f7a6fSahrens 19400713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 19410713e232SGeorge Wilson addr, 0) == -1) 19425f5f7a6fSahrens return (WALK_ERR); 19430713e232SGeorge Wilson 19440713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 19450713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 19460713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 19472e4c9986SGeorge Wilson return (WALK_ERR); 19482e4c9986SGeorge Wilson 19490713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 19500713e232SGeorge Wilson 19515f5f7a6fSahrens } 19525f5f7a6fSahrens 19530713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 19545f145778SMatthew Ahrens "mdb_range_tree_t", ms.ms_freeingtree, 0) == -1) 19555f145778SMatthew Ahrens return (WALK_ERR); 19565f145778SMatthew Ahrens sd->ms_freeingtree += rt.rt_space; 19575f145778SMatthew Ahrens 19585f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 19595f145778SMatthew Ahrens "mdb_range_tree_t", ms.ms_freedtree, 0) == -1) 19605f145778SMatthew Ahrens return (WALK_ERR); 19615f145778SMatthew Ahrens sd->ms_freedtree += rt.rt_space; 19625f145778SMatthew Ahrens 19635f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 19642e4c9986SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1) 19652e4c9986SGeorge Wilson return (WALK_ERR); 19665f145778SMatthew Ahrens sd->ms_tree += rt.rt_space; 19672e4c9986SGeorge Wilson 19682e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 19690713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 19700713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 19710713e232SGeorge Wilson return (WALK_ERR); 19720713e232SGeorge Wilson 19730713e232SGeorge Wilson if (sm.sm_phys != NULL) { 19740713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 19750713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 19760713e232SGeorge Wilson } 19770713e232SGeorge Wilson 19788363e80aSGeorge Wilson sd->ms_deferspace += ms.ms_deferspace; 19790713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 19800713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 19815f5f7a6fSahrens 19825f5f7a6fSahrens return (WALK_NEXT); 19835f5f7a6fSahrens } 19845f5f7a6fSahrens 1985fa9e4066Sahrens /* 1986fa9e4066Sahrens * ::spa_space [-b] 1987fa9e4066Sahrens * 1988fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1989fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1990fa9e4066Sahrens * Otherwise print in megabytes. 1991fa9e4066Sahrens */ 1992fa9e4066Sahrens /* ARGSUSED */ 1993fa9e4066Sahrens static int 1994fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1995fa9e4066Sahrens { 1996fa9e4066Sahrens mdb_spa_t spa; 19972515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 1998fa9e4066Sahrens mdb_dsl_dir_t dd; 19992515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 2000fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 20015f5f7a6fSahrens space_data_t sd; 2002fa9e4066Sahrens int shift = 20; 2003fa9e4066Sahrens char *suffix = "M"; 200428e4da25SMatthew Ahrens int bytes = B_FALSE; 2005fa9e4066Sahrens 200628e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 2007fa9e4066Sahrens argc) 2008fa9e4066Sahrens return (DCMD_USAGE); 2009fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2010fa9e4066Sahrens return (DCMD_USAGE); 2011fa9e4066Sahrens 201228e4da25SMatthew Ahrens if (bytes) { 2013fa9e4066Sahrens shift = 0; 2014fa9e4066Sahrens suffix = ""; 2015fa9e4066Sahrens } 2016fa9e4066Sahrens 20172515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 20182515f5d4SJustin T. Gibbs addr, 0) == -1 || 20192515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 20202515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 20212515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 20222515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 20232515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 20242515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 20252515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 20262515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 2027fa9e4066Sahrens return (DCMD_ERR); 2028fa9e4066Sahrens } 2029fa9e4066Sahrens 2030fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 2031fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 2032fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 2033fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 2034fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 2035fa9e4066Sahrens 2036fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 2037fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 2038fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 2039fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 2040fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 2041fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 2042fa9e4066Sahrens 20435f5f7a6fSahrens bzero(&sd, sizeof (sd)); 20445f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 20455f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 2046fa9e4066Sahrens return (DCMD_ERR); 2047fa9e4066Sahrens } 2048fa9e4066Sahrens 2049fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 20500713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 20510713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 20520713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 20530713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 20545f145778SMatthew Ahrens mdb_printf("ms_freeingtree = %llu%s\n", 20555f145778SMatthew Ahrens sd.ms_freeingtree >> shift, suffix); 20565f145778SMatthew Ahrens mdb_printf("ms_freedtree = %llu%s\n", 20575f145778SMatthew Ahrens sd.ms_freedtree >> shift, suffix); 20580713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 20598363e80aSGeorge Wilson mdb_printf("ms_deferspace = %llu%s\n", 20608363e80aSGeorge Wilson sd.ms_deferspace >> shift, suffix); 20615f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 20625f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 20635f5f7a6fSahrens sd.nowavail >> shift, suffix); 2064fa9e4066Sahrens 2065fa9e4066Sahrens return (DCMD_OK); 2066fa9e4066Sahrens } 2067fa9e4066Sahrens 206822ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 206922ce0148SMatthew Ahrens int sav_count; 207022ce0148SMatthew Ahrens uintptr_t sav_vdevs; 207122ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 2072fa9e4066Sahrens 207322ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 207422ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 207522ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 207622ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 207722ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 2078fa9e4066Sahrens 2079ec9f632eSEric Schrock static int 208022ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 2081ec9f632eSEric Schrock const char *name) 2082ec9f632eSEric Schrock { 2083ec9f632eSEric Schrock uintptr_t *aux; 2084ec9f632eSEric Schrock size_t len; 2085ec9f632eSEric Schrock int ret, i; 2086ec9f632eSEric Schrock 2087ec9f632eSEric Schrock /* 2088ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 2089ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 2090ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 2091ec9f632eSEric Schrock * vdev. 2092ec9f632eSEric Schrock */ 2093ec9f632eSEric Schrock if (sav->sav_count != 0) { 2094ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 2095ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 2096ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 2097ec9f632eSEric Schrock v[2].a_un.a_val = 2; 2098ec9f632eSEric Schrock 2099ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 2100ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 210122ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 2102ec9f632eSEric Schrock mdb_free(aux, len); 2103ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 2104ec9f632eSEric Schrock sav->sav_vdevs); 2105ec9f632eSEric Schrock return (DCMD_ERR); 2106ec9f632eSEric Schrock } 2107ec9f632eSEric Schrock 2108ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 2109ec9f632eSEric Schrock 2110ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 2111ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 2112ec9f632eSEric Schrock if (ret != DCMD_OK) { 2113ec9f632eSEric Schrock mdb_free(aux, len); 2114ec9f632eSEric Schrock return (ret); 2115ec9f632eSEric Schrock } 2116ec9f632eSEric Schrock } 2117ec9f632eSEric Schrock 2118ec9f632eSEric Schrock mdb_free(aux, len); 2119ec9f632eSEric Schrock } 2120ec9f632eSEric Schrock 2121ec9f632eSEric Schrock return (0); 2122ec9f632eSEric Schrock } 2123ec9f632eSEric Schrock 2124fa9e4066Sahrens /* 2125fa9e4066Sahrens * ::spa_vdevs 2126fa9e4066Sahrens * 2127fa9e4066Sahrens * -e Include error stats 21282e4c9986SGeorge Wilson * -m Include metaslab information 21292e4c9986SGeorge Wilson * -M Include metaslab group information 21302e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 2131fa9e4066Sahrens * 2132fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 2133c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 2134c5904d13Seschrock * iterating over the cache devices. 2135fa9e4066Sahrens */ 2136fa9e4066Sahrens /* ARGSUSED */ 2137fa9e4066Sahrens static int 2138fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2139fa9e4066Sahrens { 2140c5904d13Seschrock mdb_arg_t v[3]; 2141ec9f632eSEric Schrock int ret; 21422e4c9986SGeorge Wilson char opts[100] = "-r"; 21432e4c9986SGeorge Wilson int spa_flags = 0; 2144fa9e4066Sahrens 2145fa9e4066Sahrens if (mdb_getopts(argc, argv, 21462e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 21472e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 21482e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 21492e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 2150fa9e4066Sahrens NULL) != argc) 2151fa9e4066Sahrens return (DCMD_USAGE); 2152fa9e4066Sahrens 2153fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2154fa9e4066Sahrens return (DCMD_USAGE); 2155fa9e4066Sahrens 215622ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 215722ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 2158fa9e4066Sahrens return (DCMD_ERR); 2159fa9e4066Sahrens 2160088e9d47Seschrock /* 2161088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 2162088e9d47Seschrock */ 2163088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 2164088e9d47Seschrock mdb_printf("no associated vdevs\n"); 2165088e9d47Seschrock return (DCMD_OK); 2166088e9d47Seschrock } 2167088e9d47Seschrock 21682e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 21692e4c9986SGeorge Wilson strcat(opts, "e"); 21702e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 21712e4c9986SGeorge Wilson strcat(opts, "m"); 21722e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 21732e4c9986SGeorge Wilson strcat(opts, "M"); 21742e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 21752e4c9986SGeorge Wilson strcat(opts, "h"); 21762e4c9986SGeorge Wilson 2177c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 21782e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 2179fa9e4066Sahrens 2180c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2181c5904d13Seschrock flags, 1, v); 2182c5904d13Seschrock if (ret != DCMD_OK) 2183c5904d13Seschrock return (ret); 2184c5904d13Seschrock 2185ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2186ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2187c5904d13Seschrock return (DCMD_ERR); 2188c5904d13Seschrock 2189c5904d13Seschrock return (DCMD_OK); 2190fa9e4066Sahrens } 2191fa9e4066Sahrens 2192ccae0b50Seschrock /* 2193ccae0b50Seschrock * ::zio 2194ccae0b50Seschrock * 2195ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2196ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2197ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2198ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2199ccae0b50Seschrock * 2200c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2201ccae0b50Seschrock * 2202ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2203ccae0b50Seschrock * descend down the tree. 2204ccae0b50Seschrock */ 2205fac3008cSeschrock 2206c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2207a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2208a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2209a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2210a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2211a3f829aeSBill Moore 2212a3f829aeSBill Moore typedef struct zio_print_args { 2213a3f829aeSBill Moore int zpa_current_depth; 2214a3f829aeSBill Moore int zpa_min_depth; 2215a3f829aeSBill Moore int zpa_max_depth; 2216a3f829aeSBill Moore int zpa_type; 2217a3f829aeSBill Moore uint_t zpa_flags; 2218a3f829aeSBill Moore } zio_print_args_t; 2219a3f829aeSBill Moore 222028e4da25SMatthew Ahrens typedef struct mdb_zio { 222128e4da25SMatthew Ahrens enum zio_type io_type; 222228e4da25SMatthew Ahrens enum zio_stage io_stage; 2223d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2224d5ee8a13SMatthew Ahrens uintptr_t io_spa; 222528e4da25SMatthew Ahrens struct { 222628e4da25SMatthew Ahrens struct { 2227d5ee8a13SMatthew Ahrens uintptr_t list_next; 222828e4da25SMatthew Ahrens } list_head; 222928e4da25SMatthew Ahrens } io_parent_list; 223028e4da25SMatthew Ahrens int io_error; 223128e4da25SMatthew Ahrens } mdb_zio_t; 223228e4da25SMatthew Ahrens 2233c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2234c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2235c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2236c55e05cbSMatthew Ahrens 2237a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2238fac3008cSeschrock 2239ccae0b50Seschrock static int 2240c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2241ccae0b50Seschrock { 2242ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2243a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2244ccae0b50Seschrock const char *type, *stage; 2245a3f829aeSBill Moore uintptr_t laddr; 2246c55e05cbSMatthew Ahrens mdb_zio_t zio; 2247c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2248c55e05cbSMatthew Ahrens 2249c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2250c55e05cbSMatthew Ahrens return (WALK_ERR); 2251c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2252c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2253ccae0b50Seschrock 2254a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2255a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2256ccae0b50Seschrock 2257ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2258ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2259ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2260ccae0b50Seschrock return (WALK_ERR); 2261ccae0b50Seschrock } 2262ccae0b50Seschrock 2263c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2264ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2265ccae0b50Seschrock else 2266ccae0b50Seschrock type = "?"; 2267ccae0b50Seschrock 2268c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2269c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 227028e4da25SMatthew Ahrens if (stage != NULL) 2271ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 2272ccae0b50Seschrock else 2273ccae0b50Seschrock stage = "?"; 227428e4da25SMatthew Ahrens } else { 227528e4da25SMatthew Ahrens stage = "FAILED"; 227628e4da25SMatthew Ahrens } 2277ccae0b50Seschrock 2278a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2279a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2280a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2281a3f829aeSBill Moore } else { 2282a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2283a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2284d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2285d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2286ccae0b50Seschrock else 2287c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2288c55e05cbSMatthew Ahrens #ifdef _KERNEL 2289c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2290c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2291c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2292c55e05cbSMatthew Ahrens 1000000); 2293c55e05cbSMatthew Ahrens } else { 2294c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2295c55e05cbSMatthew Ahrens } 2296c55e05cbSMatthew Ahrens #else 2297c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2298c55e05cbSMatthew Ahrens #endif 2299c55e05cbSMatthew Ahrens mdb_printf("\n"); 2300a3f829aeSBill Moore } 2301a3f829aeSBill Moore } 2302ccae0b50Seschrock 2303a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2304a3f829aeSBill Moore return (WALK_NEXT); 2305a3f829aeSBill Moore 2306a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 230728e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 230828e4da25SMatthew Ahrens "io_parent_list"); 2309a3f829aeSBill Moore else 231028e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 231128e4da25SMatthew Ahrens "io_child_list"); 2312a3f829aeSBill Moore 2313a3f829aeSBill Moore zpa->zpa_current_depth++; 2314a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2315a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2316a3f829aeSBill Moore return (WALK_ERR); 2317a3f829aeSBill Moore } 2318a3f829aeSBill Moore zpa->zpa_current_depth--; 2319a3f829aeSBill Moore 2320a3f829aeSBill Moore return (WALK_NEXT); 2321a3f829aeSBill Moore } 2322a3f829aeSBill Moore 2323a3f829aeSBill Moore /* ARGSUSED */ 2324a3f829aeSBill Moore static int 2325a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2326a3f829aeSBill Moore { 2327a3f829aeSBill Moore zio_link_t zl; 2328a3f829aeSBill Moore uintptr_t ziop; 2329a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2330a3f829aeSBill Moore 2331a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2332a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2333ccae0b50Seschrock return (WALK_ERR); 2334ccae0b50Seschrock } 2335ccae0b50Seschrock 2336a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2337a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2338a3f829aeSBill Moore else 2339a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2340a3f829aeSBill Moore 234169962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2342ccae0b50Seschrock } 2343ccae0b50Seschrock 2344ccae0b50Seschrock /* ARGSUSED */ 2345ccae0b50Seschrock static int 2346ccae0b50Seschrock zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2347ccae0b50Seschrock { 2348a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2349ccae0b50Seschrock 2350ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2351ccae0b50Seschrock return (DCMD_USAGE); 2352ccae0b50Seschrock 2353a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2354a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2355a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2356a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2357a3f829aeSBill Moore NULL) != argc) 2358a3f829aeSBill Moore return (DCMD_USAGE); 2359a3f829aeSBill Moore 2360a3f829aeSBill Moore zpa.zpa_flags = flags; 2361a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2362a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2363a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2364a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2365a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2366a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2367a3f829aeSBill Moore } 2368a3f829aeSBill Moore 2369c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2370c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2371c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2372c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2373c55e05cbSMatthew Ahrens } 2374ccae0b50Seschrock 2375c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2376ccae0b50Seschrock return (DCMD_ERR); 2377ccae0b50Seschrock 2378ccae0b50Seschrock return (DCMD_OK); 2379ccae0b50Seschrock } 2380ccae0b50Seschrock 2381ccae0b50Seschrock /* 2382ccae0b50Seschrock * [addr]::zio_state 2383ccae0b50Seschrock * 2384ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2385ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2386ccae0b50Seschrock */ 2387ccae0b50Seschrock /*ARGSUSED*/ 2388ccae0b50Seschrock static int 2389ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2390ccae0b50Seschrock { 2391ccae0b50Seschrock /* 2392ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2393ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2394ccae0b50Seschrock * non-existent spa_t. 2395ccae0b50Seschrock */ 2396ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2397ccae0b50Seschrock addr = 0; 2398ccae0b50Seschrock 2399ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2400ccae0b50Seschrock } 2401ccae0b50Seschrock 2402dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2403dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2404dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2405dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2406dcbf3bd6SGeorge Wilson 2407dcbf3bd6SGeorge Wilson typedef struct multilist_walk_data { 2408dcbf3bd6SGeorge Wilson uint64_t mwd_idx; 2409dcbf3bd6SGeorge Wilson mdb_multilist_t mwd_ml; 2410dcbf3bd6SGeorge Wilson } multilist_walk_data_t; 2411dcbf3bd6SGeorge Wilson 2412dcbf3bd6SGeorge Wilson /* ARGSUSED */ 2413dcbf3bd6SGeorge Wilson static int 2414dcbf3bd6SGeorge Wilson multilist_print_cb(uintptr_t addr, const void *unknown, void *arg) 2415dcbf3bd6SGeorge Wilson { 2416dcbf3bd6SGeorge Wilson mdb_printf("%#lr\n", addr); 2417dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2418dcbf3bd6SGeorge Wilson } 2419dcbf3bd6SGeorge Wilson 2420dcbf3bd6SGeorge Wilson static int 2421dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2422dcbf3bd6SGeorge Wilson { 2423dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd = wsp->walk_data; 2424dcbf3bd6SGeorge Wilson 2425dcbf3bd6SGeorge Wilson if (mwd->mwd_idx >= mwd->mwd_ml.ml_num_sublists) 2426dcbf3bd6SGeorge Wilson return (WALK_DONE); 2427dcbf3bd6SGeorge Wilson 2428dcbf3bd6SGeorge Wilson wsp->walk_addr = mwd->mwd_ml.ml_sublists + 2429dcbf3bd6SGeorge Wilson mdb_ctf_sizeof_by_name("multilist_sublist_t") * mwd->mwd_idx + 2430dcbf3bd6SGeorge Wilson mdb_ctf_offsetof_by_name("multilist_sublist_t", "mls_list"); 2431dcbf3bd6SGeorge Wilson 2432dcbf3bd6SGeorge Wilson mdb_pwalk("list", multilist_print_cb, (void*)NULL, wsp->walk_addr); 2433dcbf3bd6SGeorge Wilson mwd->mwd_idx++; 2434dcbf3bd6SGeorge Wilson 2435dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2436dcbf3bd6SGeorge Wilson } 2437dcbf3bd6SGeorge Wilson 2438dcbf3bd6SGeorge Wilson static int 2439dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2440dcbf3bd6SGeorge Wilson { 2441dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd; 2442dcbf3bd6SGeorge Wilson 2443dcbf3bd6SGeorge Wilson if (wsp->walk_addr == NULL) { 2444dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2445dcbf3bd6SGeorge Wilson return (WALK_ERR); 2446dcbf3bd6SGeorge Wilson } 2447dcbf3bd6SGeorge Wilson 2448dcbf3bd6SGeorge Wilson mwd = mdb_zalloc(sizeof (multilist_walk_data_t), UM_SLEEP | UM_GC); 2449dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&mwd->mwd_ml, "multilist_t", "mdb_multilist_t", 2450dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2451dcbf3bd6SGeorge Wilson return (WALK_ERR); 2452dcbf3bd6SGeorge Wilson } 2453dcbf3bd6SGeorge Wilson 2454dcbf3bd6SGeorge Wilson if (mwd->mwd_ml.ml_num_sublists == 0 || 2455dcbf3bd6SGeorge Wilson mwd->mwd_ml.ml_sublists == NULL) { 2456dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2457dcbf3bd6SGeorge Wilson wsp->walk_addr); 2458dcbf3bd6SGeorge Wilson return (WALK_ERR); 2459dcbf3bd6SGeorge Wilson } 2460dcbf3bd6SGeorge Wilson 2461dcbf3bd6SGeorge Wilson wsp->walk_data = mwd; 2462dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2463dcbf3bd6SGeorge Wilson } 2464dcbf3bd6SGeorge Wilson 2465*1393933cSJason King typedef struct mdb_txg_list { 2466*1393933cSJason King size_t tl_offset; 2467*1393933cSJason King uintptr_t tl_head[TXG_SIZE]; 2468*1393933cSJason King } mdb_txg_list_t; 2469*1393933cSJason King 2470fa9e4066Sahrens typedef struct txg_list_walk_data { 2471fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2472fa9e4066Sahrens int lw_txgoff; 2473fa9e4066Sahrens int lw_maxoff; 2474fa9e4066Sahrens size_t lw_offset; 2475fa9e4066Sahrens void *lw_obj; 2476fa9e4066Sahrens } txg_list_walk_data_t; 2477fa9e4066Sahrens 2478fa9e4066Sahrens static int 2479fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2480fa9e4066Sahrens { 2481fa9e4066Sahrens txg_list_walk_data_t *lwd; 2482*1393933cSJason King mdb_txg_list_t list; 2483fa9e4066Sahrens int i; 2484fa9e4066Sahrens 2485fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 2486*1393933cSJason King if (mdb_ctf_vread(&list, "txg_list_t", "mdb_txg_list_t", wsp->walk_addr, 2487*1393933cSJason King 0) == -1) { 2488fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2489fa9e4066Sahrens return (WALK_ERR); 2490fa9e4066Sahrens } 2491fa9e4066Sahrens 2492fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 2493*1393933cSJason King lwd->lw_head[i] = list.tl_head[i]; 2494fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2495fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2496fa9e4066Sahrens UM_SLEEP | UM_GC); 2497fa9e4066Sahrens lwd->lw_txgoff = txg; 2498fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2499fa9e4066Sahrens 2500fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2501fa9e4066Sahrens wsp->walk_data = lwd; 2502fa9e4066Sahrens 2503fa9e4066Sahrens return (WALK_NEXT); 2504fa9e4066Sahrens } 2505fa9e4066Sahrens 2506fa9e4066Sahrens static int 2507fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2508fa9e4066Sahrens { 2509fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2510fa9e4066Sahrens } 2511fa9e4066Sahrens 2512fa9e4066Sahrens static int 2513fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2514fa9e4066Sahrens { 2515fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2516fa9e4066Sahrens } 2517fa9e4066Sahrens 2518fa9e4066Sahrens static int 2519fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2520fa9e4066Sahrens { 2521fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2522fa9e4066Sahrens } 2523fa9e4066Sahrens 2524fa9e4066Sahrens static int 2525fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2526fa9e4066Sahrens { 2527fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2528fa9e4066Sahrens } 2529fa9e4066Sahrens 2530fa9e4066Sahrens static int 2531fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2532fa9e4066Sahrens { 2533fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2534fa9e4066Sahrens } 2535fa9e4066Sahrens 2536fa9e4066Sahrens static int 2537fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2538fa9e4066Sahrens { 2539fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2540fa9e4066Sahrens uintptr_t addr; 2541fa9e4066Sahrens txg_node_t *node; 2542fa9e4066Sahrens int status; 2543fa9e4066Sahrens 2544fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2545fa9e4066Sahrens lwd->lw_txgoff++; 2546fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2547fa9e4066Sahrens } 2548fa9e4066Sahrens 2549fa9e4066Sahrens if (wsp->walk_addr == NULL) 2550fa9e4066Sahrens return (WALK_DONE); 2551fa9e4066Sahrens 2552fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2553fa9e4066Sahrens 2554fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2555fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2556fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2557fa9e4066Sahrens return (WALK_ERR); 2558fa9e4066Sahrens } 2559fa9e4066Sahrens 2560fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2561fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2562fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2563fa9e4066Sahrens 2564fa9e4066Sahrens return (status); 2565fa9e4066Sahrens } 2566fa9e4066Sahrens 2567fa9e4066Sahrens /* 2568fa9e4066Sahrens * ::walk spa 2569fa9e4066Sahrens * 2570fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2571fa9e4066Sahrens * a layered avl walk. 2572fa9e4066Sahrens */ 2573fa9e4066Sahrens static int 2574fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2575fa9e4066Sahrens { 2576fa9e4066Sahrens GElf_Sym sym; 2577fa9e4066Sahrens 2578fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2579fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2580fa9e4066Sahrens return (WALK_ERR); 2581fa9e4066Sahrens } 2582fa9e4066Sahrens 2583fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2584fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2585fa9e4066Sahrens return (WALK_ERR); 2586fa9e4066Sahrens } 2587fa9e4066Sahrens 2588fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2589fa9e4066Sahrens 2590fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2591fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2592fa9e4066Sahrens return (WALK_ERR); 2593fa9e4066Sahrens } 2594fa9e4066Sahrens 2595fa9e4066Sahrens return (WALK_NEXT); 2596fa9e4066Sahrens } 2597fa9e4066Sahrens 2598fa9e4066Sahrens static int 2599fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2600fa9e4066Sahrens { 260122ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2602fa9e4066Sahrens } 2603fa9e4066Sahrens 2604fa9e4066Sahrens /* 2605ccae0b50Seschrock * [addr]::walk zio 2606ccae0b50Seschrock * 2607ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2608ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2609ccae0b50Seschrock * structures to a particular pool. 2610ccae0b50Seschrock */ 2611ccae0b50Seschrock static int 2612ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2613ccae0b50Seschrock { 2614dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2615ccae0b50Seschrock 2616ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2617ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2618ccae0b50Seschrock return (WALK_ERR); 2619ccae0b50Seschrock } 2620ccae0b50Seschrock 2621ccae0b50Seschrock return (WALK_NEXT); 2622ccae0b50Seschrock } 2623ccae0b50Seschrock 2624ccae0b50Seschrock static int 2625ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2626ccae0b50Seschrock { 262728e4da25SMatthew Ahrens mdb_zio_t zio; 2628dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2629ccae0b50Seschrock 263028e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 263128e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2632ccae0b50Seschrock return (WALK_ERR); 2633ccae0b50Seschrock 2634dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2635ccae0b50Seschrock return (WALK_NEXT); 2636ccae0b50Seschrock 2637ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2638ccae0b50Seschrock } 2639ccae0b50Seschrock 2640ccae0b50Seschrock /* 2641ccae0b50Seschrock * [addr]::walk zio_root 2642ccae0b50Seschrock * 2643ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2644ccae0b50Seschrock */ 2645ccae0b50Seschrock static int 2646ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2647ccae0b50Seschrock { 264828e4da25SMatthew Ahrens mdb_zio_t zio; 2649dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2650ccae0b50Seschrock 265128e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 265228e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2653ccae0b50Seschrock return (WALK_ERR); 2654ccae0b50Seschrock 2655dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2656ccae0b50Seschrock return (WALK_NEXT); 2657ccae0b50Seschrock 2658a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2659d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 266028e4da25SMatthew Ahrens wsp->walk_addr + 266128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 266228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2663ccae0b50Seschrock return (WALK_NEXT); 2664ccae0b50Seschrock 2665ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2666ccae0b50Seschrock } 2667ccae0b50Seschrock 266888b7b0f2SMatthew Ahrens /* 266988b7b0f2SMatthew Ahrens * ::zfs_blkstats 267088b7b0f2SMatthew Ahrens * 267188b7b0f2SMatthew Ahrens * -v print verbose per-level information 267288b7b0f2SMatthew Ahrens * 267388b7b0f2SMatthew Ahrens */ 267488b7b0f2SMatthew Ahrens static int 267588b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 267688b7b0f2SMatthew Ahrens { 267788b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 267888b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 267988b7b0f2SMatthew Ahrens dmu_object_type_t t; 268088b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 268188b7b0f2SMatthew Ahrens uint64_t ditto; 268288b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 268388b7b0f2SMatthew Ahrens /* +10 in case it grew */ 268488b7b0f2SMatthew Ahrens 268588b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 268688b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 268788b7b0f2SMatthew Ahrens return (DCMD_ERR); 268888b7b0f2SMatthew Ahrens } 268988b7b0f2SMatthew Ahrens 269088b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 269188b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 269288b7b0f2SMatthew Ahrens NULL) != argc) 269388b7b0f2SMatthew Ahrens return (DCMD_USAGE); 269488b7b0f2SMatthew Ahrens 269588b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 269688b7b0f2SMatthew Ahrens return (DCMD_USAGE); 269788b7b0f2SMatthew Ahrens 269828e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 269928e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 270088b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 270188b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 270288b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 270388b7b0f2SMatthew Ahrens return (DCMD_ERR); 270488b7b0f2SMatthew Ahrens } 270588b7b0f2SMatthew Ahrens 2706ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 270788b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 270888b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 270988b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 271088b7b0f2SMatthew Ahrens } 271188b7b0f2SMatthew Ahrens 271288b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 271388b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 271488b7b0f2SMatthew Ahrens if (ditto != 0) { 271588b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 271688b7b0f2SMatthew Ahrens (longlong_t)ditto); 271788b7b0f2SMatthew Ahrens } 271888b7b0f2SMatthew Ahrens 271988b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 272088b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 272188b7b0f2SMatthew Ahrens 2722ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 272388b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 272488b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 272588b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 272688b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 272788b7b0f2SMatthew Ahrens char typename[64]; 272888b7b0f2SMatthew Ahrens int l; 272988b7b0f2SMatthew Ahrens 273088b7b0f2SMatthew Ahrens 273188b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 273288b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2733ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2734ad135b5dSChristopher Siden strcpy(typename, "other"); 273588b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 273688b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 273788b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 273888b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 273988b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 274088b7b0f2SMatthew Ahrens return (DCMD_ERR); 274188b7b0f2SMatthew Ahrens } 274288b7b0f2SMatthew Ahrens 274388b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 274488b7b0f2SMatthew Ahrens continue; 274588b7b0f2SMatthew Ahrens 274688b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 274788b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 274888b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 274988b7b0f2SMatthew Ahrens 275088b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 275188b7b0f2SMatthew Ahrens continue; 275288b7b0f2SMatthew Ahrens 275388b7b0f2SMatthew Ahrens /* 275488b7b0f2SMatthew Ahrens * Don't print each level unless requested. 275588b7b0f2SMatthew Ahrens */ 275688b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 275788b7b0f2SMatthew Ahrens continue; 275888b7b0f2SMatthew Ahrens 275988b7b0f2SMatthew Ahrens /* 276088b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 276188b7b0f2SMatthew Ahrens * level 0 separately. 276288b7b0f2SMatthew Ahrens */ 276388b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 276488b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 276588b7b0f2SMatthew Ahrens continue; 276688b7b0f2SMatthew Ahrens 276788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 276888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 276988b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 277088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 277188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2772ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2773ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2774ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2775ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 277688b7b0f2SMatthew Ahrens 277788b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 277888b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 277988b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 278088b7b0f2SMatthew Ahrens 278188b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 278288b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 278388b7b0f2SMatthew Ahrens else 278488b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 278588b7b0f2SMatthew Ahrens level, typename); 278688b7b0f2SMatthew Ahrens } 278788b7b0f2SMatthew Ahrens } 278888b7b0f2SMatthew Ahrens 278988b7b0f2SMatthew Ahrens return (DCMD_OK); 279088b7b0f2SMatthew Ahrens } 279188b7b0f2SMatthew Ahrens 2792d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2793d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2794d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2795d5ee8a13SMatthew Ahrens uint64_t ref_number; 2796d5ee8a13SMatthew Ahrens } mdb_reference_t; 2797d5ee8a13SMatthew Ahrens 27989966ca11SMatthew Ahrens /* ARGSUSED */ 27999966ca11SMatthew Ahrens static int 28009966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 28019966ca11SMatthew Ahrens { 2802d5ee8a13SMatthew Ahrens mdb_reference_t ref; 28033f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 28049966ca11SMatthew Ahrens char holder_str[128]; 28059966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 28069966ca11SMatthew Ahrens 2807d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2808d5ee8a13SMatthew Ahrens 0) == -1) 2809d5ee8a13SMatthew Ahrens return (DCMD_ERR); 28109966ca11SMatthew Ahrens 2811d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2812d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 28133f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 28149966ca11SMatthew Ahrens 28159966ca11SMatthew Ahrens if (removed) 28169966ca11SMatthew Ahrens mdb_printf("removed "); 28179966ca11SMatthew Ahrens mdb_printf("reference "); 2818d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2819d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2820d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 28219966ca11SMatthew Ahrens if (holder_is_str) 28229966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 28239966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 28249966ca11SMatthew Ahrens 28259966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 28269966ca11SMatthew Ahrens 28279966ca11SMatthew Ahrens if (removed) { 28289966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2829d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 28309966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 28319966ca11SMatthew Ahrens } 28329966ca11SMatthew Ahrens 28339966ca11SMatthew Ahrens mdb_printf("\n"); 28349966ca11SMatthew Ahrens 28359966ca11SMatthew Ahrens return (WALK_NEXT); 28369966ca11SMatthew Ahrens } 28379966ca11SMatthew Ahrens 2838d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2839d5ee8a13SMatthew Ahrens uint64_t rc_count; 2840d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2841d5ee8a13SMatthew Ahrens 2842d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2843d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2844d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2845d5ee8a13SMatthew Ahrens 2846d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2847d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2848d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2849d5ee8a13SMatthew Ahrens 28509966ca11SMatthew Ahrens /* ARGSUSED */ 28519966ca11SMatthew Ahrens static int 28529966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28539966ca11SMatthew Ahrens { 2854d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2855d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2856d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2857d5ee8a13SMatthew Ahrens int off; 285828e4da25SMatthew Ahrens boolean_t released = B_FALSE; 28599966ca11SMatthew Ahrens 28609966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 28619966ca11SMatthew Ahrens return (DCMD_USAGE); 28629966ca11SMatthew Ahrens 286328e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 286428e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 286528e4da25SMatthew Ahrens NULL) != argc) 286628e4da25SMatthew Ahrens return (DCMD_USAGE); 286728e4da25SMatthew Ahrens 2868d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2869d5ee8a13SMatthew Ahrens 0) == -1) 28709966ca11SMatthew Ahrens return (DCMD_ERR); 28719966ca11SMatthew Ahrens 2872d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2873d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2874d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2875d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 287628e4da25SMatthew Ahrens return (DCMD_OK); 287728e4da25SMatthew Ahrens } 287828e4da25SMatthew Ahrens 2879d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2880d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2881d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2882d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2883d5ee8a13SMatthew Ahrens } 2884d5ee8a13SMatthew Ahrens 28859966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 28869966ca11SMatthew Ahrens "%llu recently released holds\n", 2887d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 28889966ca11SMatthew Ahrens 2889d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 28909966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2891d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2892d5ee8a13SMatthew Ahrens if (off == -1) 28939966ca11SMatthew Ahrens return (DCMD_ERR); 2894d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 28959966ca11SMatthew Ahrens 2896d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 28979966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 2898d5ee8a13SMatthew Ahrens 2899d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2900d5ee8a13SMatthew Ahrens if (off == -1) 29019966ca11SMatthew Ahrens return (DCMD_ERR); 2902421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 290328e4da25SMatthew Ahrens } 29049966ca11SMatthew Ahrens 29059966ca11SMatthew Ahrens return (DCMD_OK); 29069966ca11SMatthew Ahrens } 29079966ca11SMatthew Ahrens 29080a586ceaSMark Shellenbaum /* ARGSUSED */ 29090a586ceaSMark Shellenbaum static int 29100a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 29110a586ceaSMark Shellenbaum { 29120a586ceaSMark Shellenbaum sa_attr_table_t *table; 29130a586ceaSMark Shellenbaum sa_os_t sa_os; 29140a586ceaSMark Shellenbaum char *name; 29150a586ceaSMark Shellenbaum int i; 29160a586ceaSMark Shellenbaum 29170a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 29180a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 29190a586ceaSMark Shellenbaum return (DCMD_ERR); 29200a586ceaSMark Shellenbaum } 29210a586ceaSMark Shellenbaum 29220a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 29230a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 29240a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 29250a586ceaSMark Shellenbaum 29260a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 29270a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 29280a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 29290a586ceaSMark Shellenbaum return (DCMD_ERR); 29300a586ceaSMark Shellenbaum } 29310a586ceaSMark Shellenbaum 29320a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 29330a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 29340a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 29350a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 29360a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 29370a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 29380a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 29390a586ceaSMark Shellenbaum } 29400a586ceaSMark Shellenbaum 29410a586ceaSMark Shellenbaum return (DCMD_OK); 29420a586ceaSMark Shellenbaum } 29430a586ceaSMark Shellenbaum 29440a586ceaSMark Shellenbaum static int 29450a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 29460a586ceaSMark Shellenbaum { 29470a586ceaSMark Shellenbaum uintptr_t idx_table; 29480a586ceaSMark Shellenbaum 294928e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 29500a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 29510a586ceaSMark Shellenbaum return (-1); 29520a586ceaSMark Shellenbaum } 29530a586ceaSMark Shellenbaum 29540a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 29550a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 29560a586ceaSMark Shellenbaum 29570a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 29580a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 29590a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 29600a586ceaSMark Shellenbaum return (-1); 29610a586ceaSMark Shellenbaum } 29620a586ceaSMark Shellenbaum 29630a586ceaSMark Shellenbaum return (DCMD_OK); 29640a586ceaSMark Shellenbaum } 29650a586ceaSMark Shellenbaum 29660a586ceaSMark Shellenbaum /*ARGSUSED*/ 29670a586ceaSMark Shellenbaum static int 29680a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 29690a586ceaSMark Shellenbaum { 29700a586ceaSMark Shellenbaum uint32_t *offset_tab; 29710a586ceaSMark Shellenbaum int attr_count; 29720a586ceaSMark Shellenbaum uint64_t attr_id; 29730a586ceaSMark Shellenbaum uintptr_t attr_addr; 29740a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 29750a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 29760a586ceaSMark Shellenbaum uintptr_t os, os_sa; 29770a586ceaSMark Shellenbaum uintptr_t db_data; 29780a586ceaSMark Shellenbaum 29790a586ceaSMark Shellenbaum if (argc != 1) 29800a586ceaSMark Shellenbaum return (DCMD_USAGE); 29810a586ceaSMark Shellenbaum 29820a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 29830a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 29840a586ceaSMark Shellenbaum else 29850a586ceaSMark Shellenbaum return (DCMD_USAGE); 29860a586ceaSMark Shellenbaum 298728e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 298828e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 298928e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 299028e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 299128e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 29920a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 29930a586ceaSMark Shellenbaum "in sa_handle\n"); 29940a586ceaSMark Shellenbaum return (DCMD_ERR); 29950a586ceaSMark Shellenbaum } 29960a586ceaSMark Shellenbaum 299728e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 29980a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 29990a586ceaSMark Shellenbaum return (DCMD_ERR); 30000a586ceaSMark Shellenbaum } 30010a586ceaSMark Shellenbaum 300228e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 30030a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 30040a586ceaSMark Shellenbaum return (DCMD_ERR); 30050a586ceaSMark Shellenbaum } 30060a586ceaSMark Shellenbaum 30070a586ceaSMark Shellenbaum if (attr_id > attr_count) { 30080a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 30090a586ceaSMark Shellenbaum return (DCMD_ERR); 30100a586ceaSMark Shellenbaum } 30110a586ceaSMark Shellenbaum 30120a586ceaSMark Shellenbaum if (bonus_tab) { 30130a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 30140a586ceaSMark Shellenbaum attr_count) == -1) { 30150a586ceaSMark Shellenbaum return (DCMD_ERR); 30160a586ceaSMark Shellenbaum } 30170a586ceaSMark Shellenbaum 301828e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 30190a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 30200a586ceaSMark Shellenbaum return (DCMD_ERR); 30210a586ceaSMark Shellenbaum } 30220a586ceaSMark Shellenbaum } 30230a586ceaSMark Shellenbaum 30240a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 30250a586ceaSMark Shellenbaum spill_tab == NULL) { 30260a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 30270a586ceaSMark Shellenbaum return (DCMD_ERR); 30280a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 30290a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 30300a586ceaSMark Shellenbaum attr_count) == -1) { 30310a586ceaSMark Shellenbaum return (DCMD_ERR); 30320a586ceaSMark Shellenbaum } 303328e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 30340a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 30350a586ceaSMark Shellenbaum return (DCMD_ERR); 30360a586ceaSMark Shellenbaum } 30370a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 30380a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 30390a586ceaSMark Shellenbaum return (DCMD_ERR); 30400a586ceaSMark Shellenbaum } 30410a586ceaSMark Shellenbaum } 30420a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 30430a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 30440a586ceaSMark Shellenbaum return (DCMD_OK); 30450a586ceaSMark Shellenbaum } 30460a586ceaSMark Shellenbaum 30470a586ceaSMark Shellenbaum /* ARGSUSED */ 30480a586ceaSMark Shellenbaum static int 30490a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 30500a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 30510a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 30520a586ceaSMark Shellenbaum { 30530a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 30540a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 30550a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 30560a586ceaSMark Shellenbaum 30570a586ceaSMark Shellenbaum if (!verbose) { 30580a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 30590a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 30600a586ceaSMark Shellenbaum return (DCMD_OK); 30610a586ceaSMark Shellenbaum } 30620a586ceaSMark Shellenbaum 30630a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 30640a586ceaSMark Shellenbaum case ACE_OWNER: 30650a586ceaSMark Shellenbaum mdb_printf("owner@:"); 30660a586ceaSMark Shellenbaum break; 30670a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 30680a586ceaSMark Shellenbaum mdb_printf("group@:"); 30690a586ceaSMark Shellenbaum break; 30700a586ceaSMark Shellenbaum case ACE_EVERYONE: 30710a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 30720a586ceaSMark Shellenbaum break; 30730a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 30740a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 30750a586ceaSMark Shellenbaum break; 30760a586ceaSMark Shellenbaum case 0: /* User entry */ 30770a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 30780a586ceaSMark Shellenbaum break; 30790a586ceaSMark Shellenbaum } 30800a586ceaSMark Shellenbaum 30810a586ceaSMark Shellenbaum /* print out permission mask */ 30820a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 30830a586ceaSMark Shellenbaum mdb_printf("r"); 30840a586ceaSMark Shellenbaum else 30850a586ceaSMark Shellenbaum mdb_printf("-"); 30860a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 30870a586ceaSMark Shellenbaum mdb_printf("w"); 30880a586ceaSMark Shellenbaum else 30890a586ceaSMark Shellenbaum mdb_printf("-"); 30900a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 30910a586ceaSMark Shellenbaum mdb_printf("x"); 30920a586ceaSMark Shellenbaum else 30930a586ceaSMark Shellenbaum mdb_printf("-"); 30940a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 30950a586ceaSMark Shellenbaum mdb_printf("p"); 30960a586ceaSMark Shellenbaum else 30970a586ceaSMark Shellenbaum mdb_printf("-"); 30980a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 30990a586ceaSMark Shellenbaum mdb_printf("d"); 31000a586ceaSMark Shellenbaum else 31010a586ceaSMark Shellenbaum mdb_printf("-"); 31020a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 31030a586ceaSMark Shellenbaum mdb_printf("D"); 31040a586ceaSMark Shellenbaum else 31050a586ceaSMark Shellenbaum mdb_printf("-"); 31060a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 31070a586ceaSMark Shellenbaum mdb_printf("a"); 31080a586ceaSMark Shellenbaum else 31090a586ceaSMark Shellenbaum mdb_printf("-"); 31100a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 31110a586ceaSMark Shellenbaum mdb_printf("A"); 31120a586ceaSMark Shellenbaum else 31130a586ceaSMark Shellenbaum mdb_printf("-"); 31140a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 31150a586ceaSMark Shellenbaum mdb_printf("R"); 31160a586ceaSMark Shellenbaum else 31170a586ceaSMark Shellenbaum mdb_printf("-"); 31180a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 31190a586ceaSMark Shellenbaum mdb_printf("W"); 31200a586ceaSMark Shellenbaum else 31210a586ceaSMark Shellenbaum mdb_printf("-"); 31220a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 31230a586ceaSMark Shellenbaum mdb_printf("c"); 31240a586ceaSMark Shellenbaum else 31250a586ceaSMark Shellenbaum mdb_printf("-"); 31260a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 31270a586ceaSMark Shellenbaum mdb_printf("C"); 31280a586ceaSMark Shellenbaum else 31290a586ceaSMark Shellenbaum mdb_printf("-"); 31300a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 31310a586ceaSMark Shellenbaum mdb_printf("o"); 31320a586ceaSMark Shellenbaum else 31330a586ceaSMark Shellenbaum mdb_printf("-"); 31340a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 31350a586ceaSMark Shellenbaum mdb_printf("s"); 31360a586ceaSMark Shellenbaum else 31370a586ceaSMark Shellenbaum mdb_printf("-"); 31380a586ceaSMark Shellenbaum 31390a586ceaSMark Shellenbaum mdb_printf(":"); 31400a586ceaSMark Shellenbaum 31410a586ceaSMark Shellenbaum /* Print out inheritance flags */ 31420a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 31430a586ceaSMark Shellenbaum mdb_printf("f"); 31440a586ceaSMark Shellenbaum else 31450a586ceaSMark Shellenbaum mdb_printf("-"); 31460a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 31470a586ceaSMark Shellenbaum mdb_printf("d"); 31480a586ceaSMark Shellenbaum else 31490a586ceaSMark Shellenbaum mdb_printf("-"); 31500a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 31510a586ceaSMark Shellenbaum mdb_printf("i"); 31520a586ceaSMark Shellenbaum else 31530a586ceaSMark Shellenbaum mdb_printf("-"); 31540a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 31550a586ceaSMark Shellenbaum mdb_printf("n"); 31560a586ceaSMark Shellenbaum else 31570a586ceaSMark Shellenbaum mdb_printf("-"); 31580a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 31590a586ceaSMark Shellenbaum mdb_printf("S"); 31600a586ceaSMark Shellenbaum else 31610a586ceaSMark Shellenbaum mdb_printf("-"); 31620a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 31630a586ceaSMark Shellenbaum mdb_printf("F"); 31640a586ceaSMark Shellenbaum else 31650a586ceaSMark Shellenbaum mdb_printf("-"); 31660a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 31670a586ceaSMark Shellenbaum mdb_printf("I"); 31680a586ceaSMark Shellenbaum else 31690a586ceaSMark Shellenbaum mdb_printf("-"); 31700a586ceaSMark Shellenbaum 31710a586ceaSMark Shellenbaum switch (ace_type) { 31720a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 31730a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 31740a586ceaSMark Shellenbaum break; 31750a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 31760a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 31770a586ceaSMark Shellenbaum break; 31780a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 31790a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 31800a586ceaSMark Shellenbaum break; 31810a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 31820a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 31830a586ceaSMark Shellenbaum break; 31840a586ceaSMark Shellenbaum default: 31850a586ceaSMark Shellenbaum mdb_printf(":?\n"); 31860a586ceaSMark Shellenbaum } 31870a586ceaSMark Shellenbaum return (DCMD_OK); 31880a586ceaSMark Shellenbaum } 31890a586ceaSMark Shellenbaum 31900a586ceaSMark Shellenbaum /* ARGSUSED */ 31910a586ceaSMark Shellenbaum static int 31920a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 31930a586ceaSMark Shellenbaum { 31940a586ceaSMark Shellenbaum zfs_ace_t zace; 31950a586ceaSMark Shellenbaum int verbose = FALSE; 31960a586ceaSMark Shellenbaum uint64_t id; 31970a586ceaSMark Shellenbaum 31980a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 31990a586ceaSMark Shellenbaum return (DCMD_USAGE); 32000a586ceaSMark Shellenbaum 32010a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 32020a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 32030a586ceaSMark Shellenbaum return (DCMD_USAGE); 32040a586ceaSMark Shellenbaum 32050a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 32060a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 32070a586ceaSMark Shellenbaum return (DCMD_ERR); 32080a586ceaSMark Shellenbaum } 32090a586ceaSMark Shellenbaum 32100a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 32110a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 32120a586ceaSMark Shellenbaum id = zace.z_fuid; 32130a586ceaSMark Shellenbaum else 32140a586ceaSMark Shellenbaum id = -1; 32150a586ceaSMark Shellenbaum 32160a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 32170a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 32180a586ceaSMark Shellenbaum } 32190a586ceaSMark Shellenbaum 32200a586ceaSMark Shellenbaum /* ARGSUSED */ 32210a586ceaSMark Shellenbaum static int 32220a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 32230a586ceaSMark Shellenbaum { 32240a586ceaSMark Shellenbaum ace_t ace; 32250a586ceaSMark Shellenbaum uint64_t id; 32260a586ceaSMark Shellenbaum int verbose = FALSE; 32270a586ceaSMark Shellenbaum 32280a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 32290a586ceaSMark Shellenbaum return (DCMD_USAGE); 32300a586ceaSMark Shellenbaum 32310a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 32320a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 32330a586ceaSMark Shellenbaum return (DCMD_USAGE); 32340a586ceaSMark Shellenbaum 32350a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 32360a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 32370a586ceaSMark Shellenbaum return (DCMD_ERR); 32380a586ceaSMark Shellenbaum } 32390a586ceaSMark Shellenbaum 32400a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 32410a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 32420a586ceaSMark Shellenbaum id = ace.a_who; 32430a586ceaSMark Shellenbaum else 32440a586ceaSMark Shellenbaum id = -1; 32450a586ceaSMark Shellenbaum 32460a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 32470a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 32480a586ceaSMark Shellenbaum } 32490a586ceaSMark Shellenbaum 32500a586ceaSMark Shellenbaum typedef struct acl_dump_args { 32510a586ceaSMark Shellenbaum int a_argc; 32520a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 32530a586ceaSMark Shellenbaum uint16_t a_version; 32540a586ceaSMark Shellenbaum int a_flags; 32550a586ceaSMark Shellenbaum } acl_dump_args_t; 32560a586ceaSMark Shellenbaum 32570a586ceaSMark Shellenbaum /* ARGSUSED */ 32580a586ceaSMark Shellenbaum static int 32590a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 32600a586ceaSMark Shellenbaum { 32610a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 32620a586ceaSMark Shellenbaum 32630a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 32640a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 32650a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 32660a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 32670a586ceaSMark Shellenbaum return (WALK_ERR); 32680a586ceaSMark Shellenbaum } 32690a586ceaSMark Shellenbaum } else { 32700a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 32710a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 32720a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 32730a586ceaSMark Shellenbaum return (WALK_ERR); 32740a586ceaSMark Shellenbaum } 32750a586ceaSMark Shellenbaum } 32760a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 32770a586ceaSMark Shellenbaum return (WALK_NEXT); 32780a586ceaSMark Shellenbaum } 32790a586ceaSMark Shellenbaum 32800a586ceaSMark Shellenbaum /* ARGSUSED */ 32810a586ceaSMark Shellenbaum static int 32820a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 32830a586ceaSMark Shellenbaum { 32840a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 32850a586ceaSMark Shellenbaum 32860a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 32870a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 32880a586ceaSMark Shellenbaum arg, addr) != 0) { 32890a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 32900a586ceaSMark Shellenbaum return (DCMD_ERR); 32910a586ceaSMark Shellenbaum } 32920a586ceaSMark Shellenbaum } else { 32930a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 32940a586ceaSMark Shellenbaum arg, addr) != 0) { 32950a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 32960a586ceaSMark Shellenbaum return (DCMD_ERR); 32970a586ceaSMark Shellenbaum } 32980a586ceaSMark Shellenbaum } 32990a586ceaSMark Shellenbaum return (WALK_NEXT); 33000a586ceaSMark Shellenbaum } 33010a586ceaSMark Shellenbaum 33020a586ceaSMark Shellenbaum /* ARGSUSED */ 33030a586ceaSMark Shellenbaum static int 33040a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 33050a586ceaSMark Shellenbaum { 33060a586ceaSMark Shellenbaum zfs_acl_t zacl; 33070a586ceaSMark Shellenbaum int verbose = FALSE; 33080a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 33090a586ceaSMark Shellenbaum 33100a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 33110a586ceaSMark Shellenbaum return (DCMD_USAGE); 33120a586ceaSMark Shellenbaum 33130a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 33140a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 33150a586ceaSMark Shellenbaum return (DCMD_USAGE); 33160a586ceaSMark Shellenbaum 33170a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 33180a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 33190a586ceaSMark Shellenbaum return (DCMD_ERR); 33200a586ceaSMark Shellenbaum } 33210a586ceaSMark Shellenbaum 33220a586ceaSMark Shellenbaum acl_args.a_argc = argc; 33230a586ceaSMark Shellenbaum acl_args.a_argv = argv; 33240a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 33250a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 33260a586ceaSMark Shellenbaum 33270a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 33280a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 33290a586ceaSMark Shellenbaum return (DCMD_ERR); 33300a586ceaSMark Shellenbaum } 33310a586ceaSMark Shellenbaum 33320a586ceaSMark Shellenbaum return (DCMD_OK); 33330a586ceaSMark Shellenbaum } 33340a586ceaSMark Shellenbaum 33350a586ceaSMark Shellenbaum /* ARGSUSED */ 33360a586ceaSMark Shellenbaum static int 33370a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 33380a586ceaSMark Shellenbaum { 33390a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 33400a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 33410a586ceaSMark Shellenbaum return (WALK_ERR); 33420a586ceaSMark Shellenbaum } 33430a586ceaSMark Shellenbaum 334428e4da25SMatthew Ahrens wsp->walk_addr += 334528e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 33460a586ceaSMark Shellenbaum 33470a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 33480a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 33490a586ceaSMark Shellenbaum return (WALK_ERR); 33500a586ceaSMark Shellenbaum } 33510a586ceaSMark Shellenbaum 33520a586ceaSMark Shellenbaum return (WALK_NEXT); 33530a586ceaSMark Shellenbaum } 33540a586ceaSMark Shellenbaum 33550a586ceaSMark Shellenbaum static int 33560a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 33570a586ceaSMark Shellenbaum { 33580a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 33590a586ceaSMark Shellenbaum 33600a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 33610a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 33620a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 33630a586ceaSMark Shellenbaum return (WALK_ERR); 33640a586ceaSMark Shellenbaum } 33650a586ceaSMark Shellenbaum 33660a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 33670a586ceaSMark Shellenbaum } 33680a586ceaSMark Shellenbaum 33690a586ceaSMark Shellenbaum typedef struct ace_walk_data { 33700a586ceaSMark Shellenbaum int ace_count; 33710a586ceaSMark Shellenbaum int ace_version; 33720a586ceaSMark Shellenbaum } ace_walk_data_t; 33730a586ceaSMark Shellenbaum 33740a586ceaSMark Shellenbaum static int 33750a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 33760a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 33770a586ceaSMark Shellenbaum { 33780a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 33790a586ceaSMark Shellenbaum 33800a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 33810a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 33820a586ceaSMark Shellenbaum return (WALK_ERR); 33830a586ceaSMark Shellenbaum } 33840a586ceaSMark Shellenbaum 33850a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 33860a586ceaSMark Shellenbaum 33870a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 33880a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 33890a586ceaSMark Shellenbaum 33900a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 33910a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 33920a586ceaSMark Shellenbaum 33930a586ceaSMark Shellenbaum return (WALK_NEXT); 33940a586ceaSMark Shellenbaum } 33950a586ceaSMark Shellenbaum 33960a586ceaSMark Shellenbaum static int 33970a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 33980a586ceaSMark Shellenbaum { 33990a586ceaSMark Shellenbaum static int gotid; 34000a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 34010a586ceaSMark Shellenbaum int z_ace_count; 34020a586ceaSMark Shellenbaum uintptr_t z_acldata; 34030a586ceaSMark Shellenbaum 34040a586ceaSMark Shellenbaum if (!gotid) { 34050a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 34060a586ceaSMark Shellenbaum &acl_id) == -1) { 34070a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 34080a586ceaSMark Shellenbaum return (DCMD_ERR); 34090a586ceaSMark Shellenbaum } 34100a586ceaSMark Shellenbaum gotid = TRUE; 34110a586ceaSMark Shellenbaum } 34120a586ceaSMark Shellenbaum 34130a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 34140a586ceaSMark Shellenbaum return (DCMD_ERR); 34150a586ceaSMark Shellenbaum } 34160a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 34170a586ceaSMark Shellenbaum return (DCMD_ERR); 34180a586ceaSMark Shellenbaum } 34190a586ceaSMark Shellenbaum 34200a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 34210a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 34220a586ceaSMark Shellenbaum } 34230a586ceaSMark Shellenbaum 34240a586ceaSMark Shellenbaum /* ARGSUSED */ 34250a586ceaSMark Shellenbaum static int 34260a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 34270a586ceaSMark Shellenbaum { 34280a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 34290a586ceaSMark Shellenbaum } 34300a586ceaSMark Shellenbaum 34310a586ceaSMark Shellenbaum /* ARGSUSED */ 34320a586ceaSMark Shellenbaum static int 34330a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 34340a586ceaSMark Shellenbaum { 34350a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 34360a586ceaSMark Shellenbaum } 34370a586ceaSMark Shellenbaum 34380a586ceaSMark Shellenbaum static int 34390a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 34400a586ceaSMark Shellenbaum { 34410a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 34420a586ceaSMark Shellenbaum zfs_ace_t zace; 34430a586ceaSMark Shellenbaum ace_t *acep; 34440a586ceaSMark Shellenbaum int status; 34450a586ceaSMark Shellenbaum int entry_type; 34460a586ceaSMark Shellenbaum int allow_type; 34470a586ceaSMark Shellenbaum uintptr_t ptr; 34480a586ceaSMark Shellenbaum 34490a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 34500a586ceaSMark Shellenbaum return (WALK_DONE); 34510a586ceaSMark Shellenbaum 34520a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 34530a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 34540a586ceaSMark Shellenbaum wsp->walk_addr); 34550a586ceaSMark Shellenbaum return (WALK_ERR); 34560a586ceaSMark Shellenbaum } 34570a586ceaSMark Shellenbaum 34580a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 34590a586ceaSMark Shellenbaum case 0: 34600a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 34610a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 34620a586ceaSMark Shellenbaum allow_type = acep->a_type; 34630a586ceaSMark Shellenbaum break; 34640a586ceaSMark Shellenbaum case 1: 34650a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 34660a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 34670a586ceaSMark Shellenbaum break; 34680a586ceaSMark Shellenbaum default: 34690a586ceaSMark Shellenbaum return (WALK_ERR); 34700a586ceaSMark Shellenbaum } 34710a586ceaSMark Shellenbaum 34720a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 34730a586ceaSMark Shellenbaum switch (entry_type) { 34740a586ceaSMark Shellenbaum case ACE_OWNER: 34750a586ceaSMark Shellenbaum case ACE_EVERYONE: 34760a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 34770a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34780a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 34790a586ceaSMark Shellenbaum break; 34800a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 34810a586ceaSMark Shellenbaum default: 34820a586ceaSMark Shellenbaum switch (allow_type) { 34830a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 34840a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 34850a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 34860a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 34870a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34880a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 34890a586ceaSMark Shellenbaum break; 34900a586ceaSMark Shellenbaum default: 34910a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34920a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 34930a586ceaSMark Shellenbaum break; 34940a586ceaSMark Shellenbaum } 34950a586ceaSMark Shellenbaum } 34960a586ceaSMark Shellenbaum 34970a586ceaSMark Shellenbaum ace_data->ace_count--; 34980a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 34990a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 35000a586ceaSMark Shellenbaum 35010a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 35020a586ceaSMark Shellenbaum return (status); 35030a586ceaSMark Shellenbaum } 35040a586ceaSMark Shellenbaum 350528e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3506d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 350728e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 350828e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 350928e4da25SMatthew Ahrens 351028e4da25SMatthew Ahrens static uint_t rrw_key; 351128e4da25SMatthew Ahrens 351228e4da25SMatthew Ahrens /* ARGSUSED */ 351328e4da25SMatthew Ahrens static int 351428e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 351528e4da25SMatthew Ahrens { 351628e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 351728e4da25SMatthew Ahrens 351828e4da25SMatthew Ahrens if (rrw_key == 0) { 351928e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 352028e4da25SMatthew Ahrens return (DCMD_ERR); 352128e4da25SMatthew Ahrens } 352228e4da25SMatthew Ahrens 352328e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 352428e4da25SMatthew Ahrens 0) == -1) 352528e4da25SMatthew Ahrens return (DCMD_ERR); 352628e4da25SMatthew Ahrens 3527d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3528d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 352928e4da25SMatthew Ahrens return (DCMD_OK); 353028e4da25SMatthew Ahrens } 353128e4da25SMatthew Ahrens 353228e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 353328e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 353428e4da25SMatthew Ahrens } 353528e4da25SMatthew Ahrens 353628e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 353728e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 353828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 353928e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 354028e4da25SMatthew Ahrens 354128e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 354228e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 354328e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 354428e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 354528e4da25SMatthew Ahrens 354628e4da25SMatthew Ahrens /* 354728e4da25SMatthew Ahrens * XXX This should find references from 354828e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 354928e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 355028e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 355128e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 355228e4da25SMatthew Ahrens */ 355328e4da25SMatthew Ahrens 355428e4da25SMatthew Ahrens return (DCMD_OK); 355528e4da25SMatthew Ahrens } 355628e4da25SMatthew Ahrens 3557dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 3558dcbf3bd6SGeorge Wilson uint16_t b_psize; 3559dcbf3bd6SGeorge Wilson uint16_t b_lsize; 3560dcbf3bd6SGeorge Wilson struct { 3561dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 3562dcbf3bd6SGeorge Wilson uintptr_t b_state; 3563dcbf3bd6SGeorge Wilson } b_l1hdr; 3564dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 3565dcbf3bd6SGeorge Wilson 3566dcbf3bd6SGeorge Wilson enum arc_cflags { 3567dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 3568dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 3569dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 3570dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 3571dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 3572dcbf3bd6SGeorge Wilson }; 3573dcbf3bd6SGeorge Wilson 3574dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 3575dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 3576dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 3577dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 3578dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 3579dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 3580dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 3581dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 3582dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 3583dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 3584dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 3585dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 3586dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 3587dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 3588dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 3589dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 3590dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 3591dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 3592dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 3593dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 3594dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 3595dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 3596dcbf3bd6SGeorge Wilson 3597dcbf3bd6SGeorge Wilson int 3598dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 3599dcbf3bd6SGeorge Wilson { 3600dcbf3bd6SGeorge Wilson int h = 1; 3601dcbf3bd6SGeorge Wilson 3602dcbf3bd6SGeorge Wilson if (i == 0) 3603dcbf3bd6SGeorge Wilson return (0); 3604dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 3605dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 3606dcbf3bd6SGeorge Wilson } 3607dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 3608dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 3609dcbf3bd6SGeorge Wilson } 3610dcbf3bd6SGeorge Wilson if (i & 0xff00) { 3611dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 3612dcbf3bd6SGeorge Wilson } 3613dcbf3bd6SGeorge Wilson if (i & 0xf0) { 3614dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 3615dcbf3bd6SGeorge Wilson } 3616dcbf3bd6SGeorge Wilson if (i & 0xc) { 3617dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 3618dcbf3bd6SGeorge Wilson } 3619dcbf3bd6SGeorge Wilson if (i & 0x2) { 3620dcbf3bd6SGeorge Wilson h += 1; 3621dcbf3bd6SGeorge Wilson } 3622dcbf3bd6SGeorge Wilson return (h); 3623dcbf3bd6SGeorge Wilson } 3624dcbf3bd6SGeorge Wilson 3625dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3626dcbf3bd6SGeorge Wilson static int 3627dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 3628dcbf3bd6SGeorge Wilson { 3629dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 3630dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 3631dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 3632dcbf3bd6SGeorge Wilson 3633dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&hdr, "arc_buf_hdr_t", "mdb_arc_buf_hdr_t", 3634dcbf3bd6SGeorge Wilson addr, 0) == -1) { 3635dcbf3bd6SGeorge Wilson return (WALK_ERR); 3636dcbf3bd6SGeorge Wilson } 3637dcbf3bd6SGeorge Wilson 3638dcbf3bd6SGeorge Wilson /* 3639dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 3640dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 3641dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 3642dcbf3bd6SGeorge Wilson */ 3643dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 3644dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 3645dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 3646dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3647dcbf3bd6SGeorge Wilson } 3648dcbf3bd6SGeorge Wilson 3649dcbf3bd6SGeorge Wilson /* 3650dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 3651dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 3652dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 3653dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 3654dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 3655dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 3656dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 3657dcbf3bd6SGeorge Wilson * 3658dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3659dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3660dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 3661dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 3662dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 3663dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 3664dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 3665dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 3666dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 3667dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 3668dcbf3bd6SGeorge Wilson * 3669dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 3670dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 3671dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 3672dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 3673dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 3674dcbf3bd6SGeorge Wilson * correspond to: 3675dcbf3bd6SGeorge Wilson * 3676dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3677dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3678dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 3679dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 3680dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 3681dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 3682dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 3683dcbf3bd6SGeorge Wilson * 3684dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 3685dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 3686dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 3687dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 3688dcbf3bd6SGeorge Wilson * above. 3689dcbf3bd6SGeorge Wilson * 3690dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 3691dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 3692dcbf3bd6SGeorge Wilson */ 3693dcbf3bd6SGeorge Wilson 3694dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 3695dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 3696dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 3697dcbf3bd6SGeorge Wilson } else { 3698dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 3699dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 3700dcbf3bd6SGeorge Wilson } 3701dcbf3bd6SGeorge Wilson 3702dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 3703dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 3704dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 3705dcbf3bd6SGeorge Wilson 3706dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 3707dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 3708dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 3709dcbf3bd6SGeorge Wilson 3710dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 3711dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 3712dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 3713dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 3714dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 3715dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 3716dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 3717dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 3718dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 3719dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 3720dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 3721dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 3722dcbf3bd6SGeorge Wilson } 3723dcbf3bd6SGeorge Wilson 3724dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 3725dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 3726dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 3727dcbf3bd6SGeorge Wilson 3728dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3729dcbf3bd6SGeorge Wilson } 3730dcbf3bd6SGeorge Wilson 3731dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3732dcbf3bd6SGeorge Wilson static int 3733dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 3734dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 3735dcbf3bd6SGeorge Wilson { 3736dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 3737dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 3738dcbf3bd6SGeorge Wilson unsigned int hist_size; 3739dcbf3bd6SGeorge Wilson char range[32]; 3740dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 3741dcbf3bd6SGeorge Wilson 3742dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 3743dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 3744dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 3745dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 3746dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 3747dcbf3bd6SGeorge Wilson 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags) != argc) 3748dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 3749dcbf3bd6SGeorge Wilson 3750dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 3751dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 3752dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 3753dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 3754dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 3755dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 3756dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 3757dcbf3bd6SGeorge Wilson return (DCMD_ERR); 3758dcbf3bd6SGeorge Wilson } 3759dcbf3bd6SGeorge Wilson 3760dcbf3bd6SGeorge Wilson /* 3761dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 3762dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 3763dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 3764dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 3765dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 3766dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 3767dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 3768dcbf3bd6SGeorge Wilson */ 3769dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 3770dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 3771dcbf3bd6SGeorge Wilson else 3772dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 3773dcbf3bd6SGeorge Wilson 3774dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 3775dcbf3bd6SGeorge Wilson 3776dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3777dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3778dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3779dcbf3bd6SGeorge Wilson 3780dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3781dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3782dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3783dcbf3bd6SGeorge Wilson 3784dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3785dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3786dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3787dcbf3bd6SGeorge Wilson 3788dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3789dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3790dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3791dcbf3bd6SGeorge Wilson 3792dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 3793dcbf3bd6SGeorge Wilson &data) != 0) { 3794dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 3795dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3796dcbf3bd6SGeorge Wilson goto out; 3797dcbf3bd6SGeorge Wilson } 3798dcbf3bd6SGeorge Wilson 3799dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 3800dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3801dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 3802dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3803dcbf3bd6SGeorge Wilson } else { 3804dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3805dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 3806dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3807dcbf3bd6SGeorge Wilson } 3808dcbf3bd6SGeorge Wilson 3809dcbf3bd6SGeorge Wilson if (rc < 0) { 3810dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 3811dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3812dcbf3bd6SGeorge Wilson goto out; 3813dcbf3bd6SGeorge Wilson } else { 3814dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 3815dcbf3bd6SGeorge Wilson rc = DCMD_OK; 3816dcbf3bd6SGeorge Wilson } 3817dcbf3bd6SGeorge Wilson 3818dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 3819dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3820dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 3821dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3822dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 3823dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3824dcbf3bd6SGeorge Wilson } 3825dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 3826dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3827dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 3828dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3829dcbf3bd6SGeorge Wilson 3830dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 3831dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3832dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 3833dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3834dcbf3bd6SGeorge Wilson } 3835dcbf3bd6SGeorge Wilson 3836dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 3837dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3838dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 3839dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3840dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 3841dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3842dcbf3bd6SGeorge Wilson } 3843dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 3844dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3845dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 3846dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3847dcbf3bd6SGeorge Wilson 3848dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 3849dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3850dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 3851dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3852dcbf3bd6SGeorge Wilson } 3853dcbf3bd6SGeorge Wilson 3854dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 3855dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3856dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 3857dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3858dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 3859dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3860dcbf3bd6SGeorge Wilson } 3861dcbf3bd6SGeorge Wilson 3862dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 3863dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3864dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 3865dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3866dcbf3bd6SGeorge Wilson 3867dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 3868dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3869dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 3870dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3871dcbf3bd6SGeorge Wilson } 3872dcbf3bd6SGeorge Wilson 3873dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3874dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 3875dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 3876dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 3877dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3878dcbf3bd6SGeorge Wilson } 3879dcbf3bd6SGeorge Wilson 3880dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 3881dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3882dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 3883dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3884dcbf3bd6SGeorge Wilson 3885dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 3886dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3887dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 3888dcbf3bd6SGeorge Wilson 3889dcbf3bd6SGeorge Wilson out: 3890dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 3891dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 3892dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 3893dcbf3bd6SGeorge Wilson 3894dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 3895dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 3896dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 3897dcbf3bd6SGeorge Wilson 3898dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 3899dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 3900dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 3901dcbf3bd6SGeorge Wilson 3902dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 3903dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 3904dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 3905dcbf3bd6SGeorge Wilson 3906dcbf3bd6SGeorge Wilson return (rc); 3907dcbf3bd6SGeorge Wilson } 3908dcbf3bd6SGeorge Wilson 3909ccae0b50Seschrock /* 3910fa9e4066Sahrens * MDB module linkage information: 3911fa9e4066Sahrens * 3912fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3913fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3914fa9e4066Sahrens */ 3915fa9e4066Sahrens 3916fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 391791ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3918fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3919fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3920fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3921fa9e4066Sahrens { "dbufs", 39224223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 39233cb34c60Sahrens "[-o object | \"mdn\"] \n" 3924fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 392591ebeef5Sahrens "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3926fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3927fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 3928fa9e4066Sahrens abuf_find }, 39292e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 39302e4c9986SGeorge Wilson "\t-c display spa config\n" 39312e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 39322e4c9986SGeorge Wilson "\t-v display vdev information\n" 39332e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 39342e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 39352e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 39362e4c9986SGeorge Wilson "spa_t summary", spa_print }, 3937fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3938fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 39392e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 39402e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 39412e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 39422e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 39432e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 39442e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 394591e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 394691ebeef5Sahrens "\t-r display recursively\n" 39472e4c9986SGeorge Wilson "\t-e display statistics\n" 394891e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 394991e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 39502e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 395191ebeef5Sahrens "vdev_t summary", vdev_print }, 39522e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 3953a3f829aeSBill Moore "\t-c display children\n" 3954a3f829aeSBill Moore "\t-p display parents\n" 3955a3f829aeSBill Moore "\t-r display recursively", 3956a3f829aeSBill Moore "zio_t summary", zio_print }, 3957ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3958ccae0b50Seschrock "for a particular pool", zio_state }, 395988b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 396088b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 396188b7b0f2SMatthew Ahrens zfs_blkstats }, 3962614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 396328e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 396428e4da25SMatthew Ahrens "\t-r display recently removed references", 396528e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 39663f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 39670a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 39680a586ceaSMark Shellenbaum zfs_acl_dump }, 39690a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 39700a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 39710a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 39720a586ceaSMark Shellenbaum sa_attr_table}, 39730a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 39740a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 397528e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 39763f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 397728e4da25SMatthew Ahrens { "rrwlock", ":", 397828e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 39798363e80aSGeorge Wilson { "metaslab_weight", "weight", 39808363e80aSGeorge Wilson "print metaslab weight", metaslab_weight}, 39818363e80aSGeorge Wilson { "metaslab_trace", ":", 39828363e80aSGeorge Wilson "print metaslab allocation trace records", metaslab_trace}, 3983dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 3984dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 3985dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 3986dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 3987dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 3988dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 3989dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 3990dcbf3bd6SGeorge Wilson arc_compression_stats}, 3991fa9e4066Sahrens { NULL } 3992fa9e4066Sahrens }; 3993fa9e4066Sahrens 3994fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3995fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 39965f5f7a6fSahrens freelist_walk_init, freelist_walk_step, NULL }, 3997fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 39985f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3999fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 40005f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 4001fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 40025f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 4003fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 40045f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 4005fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 40065f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 4007ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 4008ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 400928e4da25SMatthew Ahrens { "zio_root", 401028e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 4011ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 4012fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 4013fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 40145f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 40155f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 4016dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 4017dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 40180a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 40190a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 40200a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 40210a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 40220a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 40230a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 40240a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 4025fa9e4066Sahrens { NULL } 4026fa9e4066Sahrens }; 4027fa9e4066Sahrens 4028fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 4029fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 4030fa9e4066Sahrens }; 4031fa9e4066Sahrens 4032fa9e4066Sahrens const mdb_modinfo_t * 4033fa9e4066Sahrens _mdb_init(void) 4034fa9e4066Sahrens { 4035fa9e4066Sahrens return (&modinfo); 4036fa9e4066Sahrens } 4037