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. 23*beb56283SShampavman * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 2655da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2755da60b9SMark J Musante 28fa9e4066Sahrens #include <mdb/mdb_ctf.h> 29fa9e4066Sahrens #include <sys/zfs_context.h> 30fa9e4066Sahrens #include <sys/mdb_modapi.h> 31fa9e4066Sahrens #include <sys/dbuf.h> 32fa9e4066Sahrens #include <sys/dmu_objset.h> 33fa9e4066Sahrens #include <sys/dsl_dir.h> 34fa9e4066Sahrens #include <sys/dsl_pool.h> 35fa9e4066Sahrens #include <sys/metaslab_impl.h> 36fa9e4066Sahrens #include <sys/space_map.h> 37fa9e4066Sahrens #include <sys/list.h> 38fa9e4066Sahrens #include <sys/spa_impl.h> 39fa9e4066Sahrens #include <sys/vdev_impl.h> 403f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 413f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 429966ca11SMatthew Ahrens #include <ctype.h> 430a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #ifdef _KERNEL 47fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 48fa9e4066Sahrens #else 49fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 50fa9e4066Sahrens #endif 51fa9e4066Sahrens 52feef89cfSVictor Latushkin #ifndef _KERNEL 53feef89cfSVictor Latushkin int aok; 54feef89cfSVictor Latushkin #endif 55feef89cfSVictor Latushkin 56fa9e4066Sahrens static int 57fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 58fa9e4066Sahrens const char *member, int len, void *buf) 59fa9e4066Sahrens { 60fa9e4066Sahrens mdb_ctf_id_t id; 61fa9e4066Sahrens ulong_t off; 62fa9e4066Sahrens char name[64]; 63fa9e4066Sahrens 64fa9e4066Sahrens if (idp == NULL) { 65fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 66fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 67fa9e4066Sahrens return (DCMD_ERR); 68fa9e4066Sahrens } 69fa9e4066Sahrens idp = &id; 70fa9e4066Sahrens } else { 71fa9e4066Sahrens type = name; 72fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 73fa9e4066Sahrens } 74fa9e4066Sahrens 75fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 76fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 77fa9e4066Sahrens return (DCMD_ERR); 78fa9e4066Sahrens } 79fa9e4066Sahrens if (off % 8 != 0) { 80fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 81fa9e4066Sahrens member, type); 82fa9e4066Sahrens return (DCMD_ERR); 83fa9e4066Sahrens } 84fa9e4066Sahrens off /= 8; 85fa9e4066Sahrens 86fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 87fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 88fa9e4066Sahrens member, type, addr + off); 89fa9e4066Sahrens return (DCMD_ERR); 90fa9e4066Sahrens } 91fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 92fa9e4066Sahrens 93fa9e4066Sahrens return (0); 94fa9e4066Sahrens } 95fa9e4066Sahrens 96fa9e4066Sahrens #define GETMEMB(addr, type, member, dest) \ 97fa9e4066Sahrens getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) 98fa9e4066Sahrens 99fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 100fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 101fa9e4066Sahrens 102fa9e4066Sahrens static int 103fa9e4066Sahrens getrefcount(uintptr_t addr, mdb_ctf_id_t *id, 104fa9e4066Sahrens const char *member, uint64_t *rc) 105fa9e4066Sahrens { 106fa9e4066Sahrens static int gotid; 107fa9e4066Sahrens static mdb_ctf_id_t rc_id; 108fa9e4066Sahrens ulong_t off; 109fa9e4066Sahrens 110fa9e4066Sahrens if (!gotid) { 111fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 112fa9e4066Sahrens mdb_warn("couldn't find struct refcount"); 113fa9e4066Sahrens return (DCMD_ERR); 114fa9e4066Sahrens } 115fa9e4066Sahrens gotid = TRUE; 116fa9e4066Sahrens } 117fa9e4066Sahrens 118fa9e4066Sahrens if (mdb_ctf_offsetof(*id, member, &off) == -1) { 119fa9e4066Sahrens char name[64]; 120fa9e4066Sahrens mdb_ctf_type_name(*id, name, sizeof (name)); 121fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, name); 122fa9e4066Sahrens return (DCMD_ERR); 123fa9e4066Sahrens } 124fa9e4066Sahrens off /= 8; 125fa9e4066Sahrens 126fa9e4066Sahrens return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); 127fa9e4066Sahrens } 128fa9e4066Sahrens 1293f9d6ad7SLin Ling static boolean_t 1303f9d6ad7SLin Ling strisprint(const char *cp) 1313f9d6ad7SLin Ling { 1323f9d6ad7SLin Ling for (; *cp; cp++) { 1333f9d6ad7SLin Ling if (!isprint(*cp)) 1343f9d6ad7SLin Ling return (B_FALSE); 1353f9d6ad7SLin Ling } 1363f9d6ad7SLin Ling return (B_TRUE); 1373f9d6ad7SLin Ling } 1383f9d6ad7SLin Ling 139fa9e4066Sahrens static int verbose; 140fa9e4066Sahrens 141fa9e4066Sahrens static int 142fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 143fa9e4066Sahrens { 144fa9e4066Sahrens if (wsp->walk_addr == NULL) { 145fa9e4066Sahrens mdb_warn("must supply starting address\n"); 146fa9e4066Sahrens return (WALK_ERR); 147fa9e4066Sahrens } 148fa9e4066Sahrens 149fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 150fa9e4066Sahrens return (WALK_NEXT); 151fa9e4066Sahrens } 152fa9e4066Sahrens 153fa9e4066Sahrens static int 154fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 155fa9e4066Sahrens { 156fa9e4066Sahrens uint64_t entry; 157fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1588053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1598053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 160fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 161fa9e4066Sahrens 162fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 163fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 164fa9e4066Sahrens return (WALK_DONE); 165fa9e4066Sahrens } 166fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 167fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 168fa9e4066Sahrens 169fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 170fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 171fa9e4066Sahrens number, 172fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 173fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 174fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 175fa9e4066Sahrens } else { 176fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 177fa9e4066Sahrens "size=%06llx", number, 178fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 179fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 180fa9e4066Sahrens mapshift, 181fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 182fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 183fa9e4066Sahrens if (verbose) 184fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 185fa9e4066Sahrens mdb_printf("\n"); 186fa9e4066Sahrens } 187fa9e4066Sahrens return (WALK_NEXT); 188fa9e4066Sahrens } 189fa9e4066Sahrens 190fa9e4066Sahrens 191fa9e4066Sahrens static int 192fa9e4066Sahrens dataset_name(uintptr_t addr, char *buf) 193fa9e4066Sahrens { 194fa9e4066Sahrens static int gotid; 195fa9e4066Sahrens static mdb_ctf_id_t dd_id; 196fa9e4066Sahrens uintptr_t dd_parent; 197fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 198fa9e4066Sahrens 199fa9e4066Sahrens if (!gotid) { 200fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dir", 201fa9e4066Sahrens &dd_id) == -1) { 202fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 203fa9e4066Sahrens return (DCMD_ERR); 204fa9e4066Sahrens } 205fa9e4066Sahrens gotid = TRUE; 206fa9e4066Sahrens } 207fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 208fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 209fa9e4066Sahrens return (DCMD_ERR); 210fa9e4066Sahrens } 211fa9e4066Sahrens 212fa9e4066Sahrens if (dd_parent) { 213fa9e4066Sahrens if (dataset_name(dd_parent, buf)) 214fa9e4066Sahrens return (DCMD_ERR); 215fa9e4066Sahrens strcat(buf, "/"); 216fa9e4066Sahrens } 217fa9e4066Sahrens 218fa9e4066Sahrens if (dd_myname[0]) 219fa9e4066Sahrens strcat(buf, dd_myname); 220fa9e4066Sahrens else 221fa9e4066Sahrens strcat(buf, "???"); 222fa9e4066Sahrens 223fa9e4066Sahrens return (0); 224fa9e4066Sahrens } 225fa9e4066Sahrens 226fa9e4066Sahrens static int 227fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 228fa9e4066Sahrens { 229fa9e4066Sahrens static int gotid; 2304223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 231fa9e4066Sahrens uintptr_t os_dsl_dataset; 232fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 233fa9e4066Sahrens uintptr_t ds_dir; 234fa9e4066Sahrens 235fa9e4066Sahrens buf[0] = '\0'; 236fa9e4066Sahrens 237fa9e4066Sahrens if (!gotid) { 2384223fc7cSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct objset", 2394223fc7cSMark Shellenbaum &os_id) == -1) { 2404223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 241fa9e4066Sahrens return (DCMD_ERR); 242fa9e4066Sahrens } 243fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dataset", 244fa9e4066Sahrens &ds_id) == -1) { 245fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 246fa9e4066Sahrens return (DCMD_ERR); 247fa9e4066Sahrens } 248fa9e4066Sahrens 249fa9e4066Sahrens gotid = TRUE; 250fa9e4066Sahrens } 251fa9e4066Sahrens 2524223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 253fa9e4066Sahrens return (DCMD_ERR); 254fa9e4066Sahrens 255fa9e4066Sahrens if (os_dsl_dataset == 0) { 256fa9e4066Sahrens strcat(buf, "mos"); 257fa9e4066Sahrens return (0); 258fa9e4066Sahrens } 259fa9e4066Sahrens 260fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 261fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 262fa9e4066Sahrens return (DCMD_ERR); 263fa9e4066Sahrens } 264fa9e4066Sahrens 265fa9e4066Sahrens if (ds_dir && dataset_name(ds_dir, buf)) 266fa9e4066Sahrens return (DCMD_ERR); 267fa9e4066Sahrens 268fa9e4066Sahrens if (ds_snapname[0]) { 269fa9e4066Sahrens strcat(buf, "@"); 270fa9e4066Sahrens strcat(buf, ds_snapname); 271fa9e4066Sahrens } 272fa9e4066Sahrens return (0); 273fa9e4066Sahrens } 274fa9e4066Sahrens 275fa9e4066Sahrens static void 276fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 277fa9e4066Sahrens const char *prefix) 278fa9e4066Sahrens { 279fa9e4066Sahrens const char *cp; 280fa9e4066Sahrens size_t len = strlen(prefix); 281fa9e4066Sahrens 282fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 283fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 284fa9e4066Sahrens cp += len; 285fa9e4066Sahrens (void) strncpy(out, cp, size); 286fa9e4066Sahrens } else { 287fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 288fa9e4066Sahrens } 289fa9e4066Sahrens } 290fa9e4066Sahrens 291614409b5Sahrens /* ARGSUSED */ 292614409b5Sahrens static int 293614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 294614409b5Sahrens { 295614409b5Sahrens /* 296614409b5Sahrens * This table can be approximately generated by running: 297614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 298614409b5Sahrens */ 299614409b5Sahrens static const char *params[] = { 300614409b5Sahrens "arc_reduce_dnlc_percent", 301614409b5Sahrens "zfs_arc_max", 302614409b5Sahrens "zfs_arc_min", 30349e3519aSmaybee "arc_shrink_shift", 304614409b5Sahrens "zfs_mdcomp_disable", 305614409b5Sahrens "zfs_prefetch_disable", 306614409b5Sahrens "zfetch_max_streams", 307614409b5Sahrens "zfetch_min_sec_reap", 308614409b5Sahrens "zfetch_block_cap", 309614409b5Sahrens "zfetch_array_rd_sz", 310614409b5Sahrens "zfs_default_bs", 311614409b5Sahrens "zfs_default_ibs", 312614409b5Sahrens "metaslab_aliquot", 313614409b5Sahrens "reference_tracking_enable", 314614409b5Sahrens "reference_history", 315614409b5Sahrens "spa_max_replication_override", 316b24ab676SJeff Bonwick "spa_mode_global", 317614409b5Sahrens "zfs_flags", 318*beb56283SShampavman "zfs_txg_synctime_ms", 3191ab7f2deSmaybee "zfs_txg_timeout", 3201ab7f2deSmaybee "zfs_write_limit_min", 3211ab7f2deSmaybee "zfs_write_limit_max", 3221ab7f2deSmaybee "zfs_write_limit_shift", 3231ab7f2deSmaybee "zfs_write_limit_override", 3241ab7f2deSmaybee "zfs_no_write_throttle", 325614409b5Sahrens "zfs_vdev_cache_max", 326614409b5Sahrens "zfs_vdev_cache_size", 327614409b5Sahrens "zfs_vdev_cache_bshift", 328614409b5Sahrens "vdev_mirror_shift", 329614409b5Sahrens "zfs_vdev_max_pending", 330614409b5Sahrens "zfs_vdev_min_pending", 331614409b5Sahrens "zfs_scrub_limit", 332b16da2e2SGeorge Wilson "zfs_no_scrub_io", 333b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 334614409b5Sahrens "zfs_vdev_time_shift", 335614409b5Sahrens "zfs_vdev_ramp_rate", 336614409b5Sahrens "zfs_vdev_aggregation_limit", 337614409b5Sahrens "fzap_default_block_shift", 338614409b5Sahrens "zfs_immediate_write_sz", 339614409b5Sahrens "zfs_read_chunk_size", 340614409b5Sahrens "zfs_nocacheflush", 34155da60b9SMark J Musante "zil_replay_disable", 3421ab7f2deSmaybee "metaslab_gang_bang", 343d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 344d6e555bdSGeorge Wilson "metaslab_df_free_pct", 345614409b5Sahrens "zio_injection_enabled", 346614409b5Sahrens "zvol_immediate_write_sz", 347614409b5Sahrens }; 348614409b5Sahrens 349b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 350614409b5Sahrens int sz; 351614409b5Sahrens uint64_t val64; 352614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 353614409b5Sahrens 354614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 355614409b5Sahrens if (sz == 4) { 356614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 357614409b5Sahrens } else if (sz == 8) { 358614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 359614409b5Sahrens } else { 360614409b5Sahrens mdb_warn("variable %s not found", params[i]); 361614409b5Sahrens } 362614409b5Sahrens } 363614409b5Sahrens 364614409b5Sahrens return (DCMD_OK); 365614409b5Sahrens } 366614409b5Sahrens 367fa9e4066Sahrens /* ARGSUSED */ 368fa9e4066Sahrens static int 369fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 370fa9e4066Sahrens { 371b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 372b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 373b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 374b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 375fa9e4066Sahrens 376b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 377fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 378fa9e4066Sahrens return (DCMD_ERR); 379fa9e4066Sahrens } 380fa9e4066Sahrens 381b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 382b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 383b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 384b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 385fa9e4066Sahrens return (DCMD_ERR); 386fa9e4066Sahrens } 387fa9e4066Sahrens 388b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 389b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 390b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 391b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 392b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 393b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 394fa9e4066Sahrens 395b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 396fa9e4066Sahrens 397b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 398fa9e4066Sahrens 399fa9e4066Sahrens return (DCMD_OK); 400fa9e4066Sahrens } 401fa9e4066Sahrens 402fa9e4066Sahrens /* ARGSUSED */ 403fa9e4066Sahrens static int 404fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 405fa9e4066Sahrens { 406fa9e4066Sahrens mdb_ctf_id_t id; 407fa9e4066Sahrens dmu_buf_t db; 408fa9e4066Sahrens uintptr_t objset; 409fa9e4066Sahrens uint8_t level; 410fa9e4066Sahrens uint64_t blkid; 411fa9e4066Sahrens uint64_t holds; 412fa9e4066Sahrens char objectname[32]; 413fa9e4066Sahrens char blkidname[32]; 414fa9e4066Sahrens char path[MAXNAMELEN]; 415fa9e4066Sahrens 416fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) { 417fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 418fa9e4066Sahrens } 419fa9e4066Sahrens 420fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) { 421fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 422fa9e4066Sahrens return (DCMD_ERR); 423fa9e4066Sahrens } 424fa9e4066Sahrens 425fa9e4066Sahrens if (GETMEMBID(addr, &id, db_objset, objset) || 426fa9e4066Sahrens GETMEMBID(addr, &id, db, db) || 427fa9e4066Sahrens GETMEMBID(addr, &id, db_level, level) || 428fa9e4066Sahrens GETMEMBID(addr, &id, db_blkid, blkid)) { 429fa9e4066Sahrens return (WALK_ERR); 430fa9e4066Sahrens } 431fa9e4066Sahrens 432fa9e4066Sahrens if (getrefcount(addr, &id, "db_holds", &holds)) { 433fa9e4066Sahrens return (WALK_ERR); 434fa9e4066Sahrens } 435fa9e4066Sahrens 436fa9e4066Sahrens if (db.db_object == DMU_META_DNODE_OBJECT) 437fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 438fa9e4066Sahrens else 439fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 440fa9e4066Sahrens (u_longlong_t)db.db_object); 441fa9e4066Sahrens 4420a586ceaSMark Shellenbaum if (blkid == DMU_BONUS_BLKID) 443fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 444fa9e4066Sahrens else 445fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 446fa9e4066Sahrens (u_longlong_t)blkid); 447fa9e4066Sahrens 448fa9e4066Sahrens if (objset_name(objset, path)) { 449fa9e4066Sahrens return (WALK_ERR); 450fa9e4066Sahrens } 451fa9e4066Sahrens 452fa9e4066Sahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", 453fa9e4066Sahrens addr, objectname, level, blkidname, holds, path); 454fa9e4066Sahrens 455fa9e4066Sahrens return (DCMD_OK); 456fa9e4066Sahrens } 457fa9e4066Sahrens 458fa9e4066Sahrens /* ARGSUSED */ 459fa9e4066Sahrens static int 460fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 461fa9e4066Sahrens { 462fa9e4066Sahrens #define HISTOSZ 32 463fa9e4066Sahrens uintptr_t dbp; 464fa9e4066Sahrens dmu_buf_impl_t db; 465fa9e4066Sahrens dbuf_hash_table_t ht; 466fa9e4066Sahrens uint64_t bucket, ndbufs; 467fa9e4066Sahrens uint64_t histo[HISTOSZ]; 468fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 469fa9e4066Sahrens int i, maxidx; 470fa9e4066Sahrens 471fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 472fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 473fa9e4066Sahrens return (DCMD_ERR); 474fa9e4066Sahrens } 475fa9e4066Sahrens 476fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 477fa9e4066Sahrens histo[i] = 0; 478fa9e4066Sahrens histo2[i] = 0; 479fa9e4066Sahrens } 480fa9e4066Sahrens 481fa9e4066Sahrens ndbufs = 0; 482fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 483fa9e4066Sahrens int len; 484fa9e4066Sahrens 485fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 486fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 487fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 488fa9e4066Sahrens bucket, ht.hash_table+bucket); 489fa9e4066Sahrens return (DCMD_ERR); 490fa9e4066Sahrens } 491fa9e4066Sahrens 492fa9e4066Sahrens len = 0; 493fa9e4066Sahrens while (dbp != 0) { 494fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 495fa9e4066Sahrens dbp) == -1) { 496fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 497fa9e4066Sahrens return (DCMD_ERR); 498fa9e4066Sahrens } 499fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 500fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 501fa9e4066Sahrens histo2[i]++; 502fa9e4066Sahrens len++; 503fa9e4066Sahrens ndbufs++; 504fa9e4066Sahrens } 505fa9e4066Sahrens 506fa9e4066Sahrens if (len >= HISTOSZ) 507fa9e4066Sahrens len = HISTOSZ-1; 508fa9e4066Sahrens histo[len]++; 509fa9e4066Sahrens } 510fa9e4066Sahrens 511fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 512fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 513fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 514fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 515fa9e4066Sahrens 516fa9e4066Sahrens mdb_printf("\n"); 517fa9e4066Sahrens maxidx = 0; 518fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 519fa9e4066Sahrens if (histo[i] > 0) 520fa9e4066Sahrens maxidx = i; 521fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 522fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 523fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 524fa9e4066Sahrens 525fa9e4066Sahrens mdb_printf("\n"); 526fa9e4066Sahrens maxidx = 0; 527fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 528fa9e4066Sahrens if (histo2[i] > 0) 529fa9e4066Sahrens maxidx = i; 530fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 531fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 532fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 533fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 534fa9e4066Sahrens 535fa9e4066Sahrens 536fa9e4066Sahrens return (DCMD_OK); 537fa9e4066Sahrens } 538fa9e4066Sahrens 5393f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5403f1f8012SMatthew Ahrens /* 5413f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5423f1f8012SMatthew Ahrens * 5433f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5443f1f8012SMatthew Ahrens */ 5453f1f8012SMatthew Ahrens /* ARGSUSED */ 5463f1f8012SMatthew Ahrens static int 5473f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5483f1f8012SMatthew Ahrens { 5493f1f8012SMatthew Ahrens char buf[16*1024]; 5503f1f8012SMatthew Ahrens int verbose = B_FALSE; 5513f1f8012SMatthew Ahrens int four = B_FALSE; 5523f1f8012SMatthew Ahrens zap_leaf_t l; 5533f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5543f1f8012SMatthew Ahrens int i; 5553f1f8012SMatthew Ahrens 5563f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5573f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5583f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5593f1f8012SMatthew Ahrens NULL) != argc) 5603f1f8012SMatthew Ahrens return (DCMD_USAGE); 5613f1f8012SMatthew Ahrens 5623f1f8012SMatthew Ahrens l.l_phys = zlp; 5633f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5643f1f8012SMatthew Ahrens if (four) 5653f1f8012SMatthew Ahrens l.l_bs = 12; 5663f1f8012SMatthew Ahrens 5673f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5683f1f8012SMatthew Ahrens return (DCMD_USAGE); 5693f1f8012SMatthew Ahrens } 5703f1f8012SMatthew Ahrens 5713f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5723f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5733f1f8012SMatthew Ahrens return (DCMD_ERR); 5743f1f8012SMatthew Ahrens } 5753f1f8012SMatthew Ahrens 5763f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5773f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5783f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5793f1f8012SMatthew Ahrens return (DCMD_ERR); 5803f1f8012SMatthew Ahrens } 5813f1f8012SMatthew Ahrens 5823f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5833f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5843f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5853f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5863f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5873f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5883f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5893f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5903f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5913f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5923f1f8012SMatthew Ahrens 5933f1f8012SMatthew Ahrens if (verbose) { 5943f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5953f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5963f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5973f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5983f1f8012SMatthew Ahrens } 5993f1f8012SMatthew Ahrens } 6003f1f8012SMatthew Ahrens 6013f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 6023f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 6033f1f8012SMatthew Ahrens /* LINTED: alignment */ 6043f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 6053f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 6063f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6073f1f8012SMatthew Ahrens if (verbose) { 6083f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6093f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6103f1f8012SMatthew Ahrens } 6113f1f8012SMatthew Ahrens break; 6123f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6133f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6143f1f8012SMatthew Ahrens if (verbose) { 6153f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6163f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6173f1f8012SMatthew Ahrens } 6183f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6193f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6203f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6213f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6223f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6233f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6243f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6253f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6263f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6273f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6283f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6293f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6303f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6313f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6323f1f8012SMatthew Ahrens break; 6333f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6343f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6353f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6363f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6373f9d6ad7SLin Ling mdb_printf("\n"); 6383f1f8012SMatthew Ahrens if (verbose) { 6393f1f8012SMatthew Ahrens int j; 6403f1f8012SMatthew Ahrens mdb_printf(" "); 6413f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6423f1f8012SMatthew Ahrens mdb_printf("%02x ", 6433f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6443f1f8012SMatthew Ahrens } 6453f1f8012SMatthew Ahrens mdb_printf("\n"); 6463f1f8012SMatthew Ahrens } 6473f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6483f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6493f1f8012SMatthew Ahrens zlc->l_array.la_next); 6503f1f8012SMatthew Ahrens } 6513f1f8012SMatthew Ahrens break; 6523f1f8012SMatthew Ahrens default: 6533f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6543f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6553f1f8012SMatthew Ahrens } 6563f1f8012SMatthew Ahrens } 6573f1f8012SMatthew Ahrens 6583f1f8012SMatthew Ahrens return (DCMD_OK); 6593f1f8012SMatthew Ahrens } 6603f1f8012SMatthew Ahrens 661fa9e4066Sahrens typedef struct dbufs_data { 662fa9e4066Sahrens mdb_ctf_id_t id; 663fa9e4066Sahrens uint64_t objset; 664fa9e4066Sahrens uint64_t object; 665fa9e4066Sahrens uint64_t level; 666fa9e4066Sahrens uint64_t blkid; 667fa9e4066Sahrens char *osname; 668fa9e4066Sahrens } dbufs_data_t; 669fa9e4066Sahrens 670fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 671fa9e4066Sahrens 672fa9e4066Sahrens /* ARGSUSED */ 673fa9e4066Sahrens static int 674fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 675fa9e4066Sahrens { 676fa9e4066Sahrens dbufs_data_t *data = arg; 677fa9e4066Sahrens uintptr_t objset; 678fa9e4066Sahrens dmu_buf_t db; 679fa9e4066Sahrens uint8_t level; 680fa9e4066Sahrens uint64_t blkid; 681fa9e4066Sahrens char osname[MAXNAMELEN]; 682fa9e4066Sahrens 683fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 684fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 685fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 686fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 687fa9e4066Sahrens return (WALK_ERR); 688fa9e4066Sahrens } 689fa9e4066Sahrens 690fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 691fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 692ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 693fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 694fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 695fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 696fa9e4066Sahrens mdb_printf("%#lr\n", addr); 697fa9e4066Sahrens } 698fa9e4066Sahrens return (WALK_NEXT); 699fa9e4066Sahrens } 700fa9e4066Sahrens 701fa9e4066Sahrens /* ARGSUSED */ 702fa9e4066Sahrens static int 703fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 704fa9e4066Sahrens { 705fa9e4066Sahrens dbufs_data_t data; 706fa9e4066Sahrens char *object = NULL; 707fa9e4066Sahrens char *blkid = NULL; 708fa9e4066Sahrens 709fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 710fa9e4066Sahrens data.osname = NULL; 711fa9e4066Sahrens 712fa9e4066Sahrens if (mdb_getopts(argc, argv, 713fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 714fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 715fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 716fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 717fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 718fa9e4066Sahrens return (DCMD_USAGE); 719fa9e4066Sahrens } 720fa9e4066Sahrens 721fa9e4066Sahrens if (object) { 722fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 723fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 724fa9e4066Sahrens } else { 725fa9e4066Sahrens data.object = mdb_strtoull(object); 726fa9e4066Sahrens } 727fa9e4066Sahrens } 728fa9e4066Sahrens 729fa9e4066Sahrens if (blkid) { 730fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7310a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 732fa9e4066Sahrens } else { 733fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 734fa9e4066Sahrens } 735fa9e4066Sahrens } 736fa9e4066Sahrens 737fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) { 738fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 739fa9e4066Sahrens return (DCMD_ERR); 740fa9e4066Sahrens } 741fa9e4066Sahrens 7425f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 743fa9e4066Sahrens mdb_warn("can't walk dbufs"); 744fa9e4066Sahrens return (DCMD_ERR); 745fa9e4066Sahrens } 746fa9e4066Sahrens 747fa9e4066Sahrens return (DCMD_OK); 748fa9e4066Sahrens } 749fa9e4066Sahrens 750fa9e4066Sahrens typedef struct abuf_find_data { 751fa9e4066Sahrens dva_t dva; 752fa9e4066Sahrens mdb_ctf_id_t id; 753fa9e4066Sahrens } abuf_find_data_t; 754fa9e4066Sahrens 755fa9e4066Sahrens /* ARGSUSED */ 756fa9e4066Sahrens static int 757fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 758fa9e4066Sahrens { 759fa9e4066Sahrens abuf_find_data_t *data = arg; 760fa9e4066Sahrens dva_t dva; 761fa9e4066Sahrens 762fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 763fa9e4066Sahrens return (WALK_ERR); 764fa9e4066Sahrens } 765fa9e4066Sahrens 766fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 767fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 768fa9e4066Sahrens mdb_printf("%#lr\n", addr); 769fa9e4066Sahrens } 770fa9e4066Sahrens return (WALK_NEXT); 771fa9e4066Sahrens } 772fa9e4066Sahrens 773fa9e4066Sahrens /* ARGSUSED */ 774fa9e4066Sahrens static int 775fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 776fa9e4066Sahrens { 777fa9e4066Sahrens abuf_find_data_t data; 778fa9e4066Sahrens GElf_Sym sym; 779fa9e4066Sahrens int i; 780fa9e4066Sahrens const char *syms[] = { 781a2eea2e1Sahrens "ARC_mru", 782a2eea2e1Sahrens "ARC_mru_ghost", 783a2eea2e1Sahrens "ARC_mfu", 784a2eea2e1Sahrens "ARC_mfu_ghost", 785fa9e4066Sahrens }; 786fa9e4066Sahrens 787fa9e4066Sahrens if (argc != 2) 788fa9e4066Sahrens return (DCMD_USAGE); 789fa9e4066Sahrens 790fa9e4066Sahrens for (i = 0; i < 2; i ++) { 791fa9e4066Sahrens switch (argv[i].a_type) { 792fa9e4066Sahrens case MDB_TYPE_STRING: 793fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 794fa9e4066Sahrens break; 795fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 796fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 797fa9e4066Sahrens break; 798fa9e4066Sahrens default: 799fa9e4066Sahrens return (DCMD_USAGE); 800fa9e4066Sahrens } 801fa9e4066Sahrens } 802fa9e4066Sahrens 803fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) { 804fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 805fa9e4066Sahrens return (DCMD_ERR); 806fa9e4066Sahrens } 807fa9e4066Sahrens 808fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 809fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 810fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 811fa9e4066Sahrens return (DCMD_ERR); 812fa9e4066Sahrens } 813fa9e4066Sahrens 814fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 815fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 816fa9e4066Sahrens return (DCMD_ERR); 817fa9e4066Sahrens } 818fa9e4066Sahrens } 819fa9e4066Sahrens 820fa9e4066Sahrens return (DCMD_OK); 821fa9e4066Sahrens } 822fa9e4066Sahrens 8233f9d6ad7SLin Ling /* ARGSUSED */ 8243f9d6ad7SLin Ling static int 8253f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8263f9d6ad7SLin Ling { 8273f9d6ad7SLin Ling static mdb_ctf_id_t id; 8283f9d6ad7SLin Ling static boolean_t gotid; 8293f9d6ad7SLin Ling static ulong_t off; 8303f9d6ad7SLin Ling 8313f9d6ad7SLin Ling int *verbosep = arg; 8323f9d6ad7SLin Ling time_t timestamp; 8333f9d6ad7SLin Ling char buf[1024]; 8343f9d6ad7SLin Ling 8353f9d6ad7SLin Ling if (!gotid) { 8363f9d6ad7SLin Ling if (mdb_ctf_lookup_by_name("struct zfs_dbgmsg", &id) == -1) { 8373f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8383f9d6ad7SLin Ling return (WALK_ERR); 8393f9d6ad7SLin Ling } 8403f9d6ad7SLin Ling gotid = TRUE; 8413f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8423f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8433f9d6ad7SLin Ling return (WALK_ERR); 8443f9d6ad7SLin Ling } 8453f9d6ad7SLin Ling off /= 8; 8463f9d6ad7SLin Ling } 8473f9d6ad7SLin Ling 8483f9d6ad7SLin Ling 8493f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 8503f9d6ad7SLin Ling return (WALK_ERR); 8513f9d6ad7SLin Ling } 8523f9d6ad7SLin Ling 8533f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 8543f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 8553f9d6ad7SLin Ling return (DCMD_ERR); 8563f9d6ad7SLin Ling } 8573f9d6ad7SLin Ling 8583f9d6ad7SLin Ling if (*verbosep) 8593f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 8603f9d6ad7SLin Ling 8613f9d6ad7SLin Ling mdb_printf("%s\n", buf); 8623f9d6ad7SLin Ling 8633f9d6ad7SLin Ling if (*verbosep) 8643f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 8653f9d6ad7SLin Ling 8663f9d6ad7SLin Ling return (WALK_NEXT); 8673f9d6ad7SLin Ling } 8683f9d6ad7SLin Ling 8693f9d6ad7SLin Ling /* ARGSUSED */ 8703f9d6ad7SLin Ling static int 8713f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 8723f9d6ad7SLin Ling { 8733f9d6ad7SLin Ling GElf_Sym sym; 8743f9d6ad7SLin Ling int verbose = FALSE; 8753f9d6ad7SLin Ling 8763f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 8773f9d6ad7SLin Ling 'v', MDB_OPT_SETBITS, TRUE, &verbose, 8783f9d6ad7SLin Ling NULL) != argc) 8793f9d6ad7SLin Ling return (DCMD_USAGE); 8803f9d6ad7SLin Ling 8813f9d6ad7SLin Ling if (mdb_lookup_by_name("zfs_dbgmsgs", &sym)) { 8823f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 8833f9d6ad7SLin Ling return (DCMD_ERR); 8843f9d6ad7SLin Ling } 8853f9d6ad7SLin Ling 8863f9d6ad7SLin Ling if (mdb_pwalk("list", dbgmsg_cb, &verbose, sym.st_value) != 0) { 8873f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 8883f9d6ad7SLin Ling return (DCMD_ERR); 8893f9d6ad7SLin Ling } 8903f9d6ad7SLin Ling 8913f9d6ad7SLin Ling return (DCMD_OK); 8923f9d6ad7SLin Ling } 8933f9d6ad7SLin Ling 89444cb6abcSbmc /*ARGSUSED*/ 89544cb6abcSbmc static int 89644cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 89744cb6abcSbmc { 89844cb6abcSbmc kstat_named_t *stats; 89944cb6abcSbmc GElf_Sym sym; 90091ebeef5Sahrens int nstats, i; 90144cb6abcSbmc uint_t opt_a = FALSE; 90291ebeef5Sahrens uint_t opt_b = FALSE; 90391ebeef5Sahrens uint_t shift = 0; 90491ebeef5Sahrens const char *suffix; 90544cb6abcSbmc 90691ebeef5Sahrens static const char *bytestats[] = { 90791ebeef5Sahrens "p", "c", "c_min", "c_max", "size", NULL 90891ebeef5Sahrens }; 90991ebeef5Sahrens 91091ebeef5Sahrens static const char *extras[] = { 91191ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 91291ebeef5Sahrens "arc_meta_used", "arc_meta_limit", "arc_meta_max", 91391ebeef5Sahrens NULL 91444cb6abcSbmc }; 91544cb6abcSbmc 91644cb6abcSbmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) { 91744cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 91844cb6abcSbmc return (DCMD_ERR); 91944cb6abcSbmc } 92044cb6abcSbmc 92144cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 92244cb6abcSbmc 92344cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 92444cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 92544cb6abcSbmc return (DCMD_ERR); 92644cb6abcSbmc } 92744cb6abcSbmc 92844cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 92944cb6abcSbmc 93091ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 93191ebeef5Sahrens if (mdb_getopts(argc, argv, 93291ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 93391ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 93491ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 93591ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 93691ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 93791ebeef5Sahrens NULL) != argc) 93844cb6abcSbmc return (DCMD_USAGE); 93944cb6abcSbmc 94091ebeef5Sahrens if (!opt_b && !shift) 94191ebeef5Sahrens shift = 20; 94291ebeef5Sahrens 94391ebeef5Sahrens switch (shift) { 94491ebeef5Sahrens case 0: 94591ebeef5Sahrens suffix = "B"; 94691ebeef5Sahrens break; 94791ebeef5Sahrens case 10: 94891ebeef5Sahrens suffix = "KB"; 94991ebeef5Sahrens break; 95091ebeef5Sahrens case 20: 95191ebeef5Sahrens suffix = "MB"; 95291ebeef5Sahrens break; 95391ebeef5Sahrens case 30: 95491ebeef5Sahrens suffix = "GB"; 95591ebeef5Sahrens break; 95691ebeef5Sahrens default: 95791ebeef5Sahrens suffix = "XX"; 95891ebeef5Sahrens } 95991ebeef5Sahrens 96091ebeef5Sahrens for (i = 0; i < nstats; i++) { 96191ebeef5Sahrens int j; 96291ebeef5Sahrens boolean_t bytes = B_FALSE; 96391ebeef5Sahrens 96491ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 96591ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 96691ebeef5Sahrens bytes = B_TRUE; 96791ebeef5Sahrens break; 96891ebeef5Sahrens } 96991ebeef5Sahrens } 97044cb6abcSbmc 97191ebeef5Sahrens if (bytes) { 97291ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 97391ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 97491ebeef5Sahrens } else { 97591ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 97644cb6abcSbmc stats[i].value.ui64); 97744cb6abcSbmc } 97844cb6abcSbmc } 97944cb6abcSbmc 98091ebeef5Sahrens for (i = 0; extras[i]; i++) { 98191ebeef5Sahrens uint64_t buf; 98244cb6abcSbmc 98391ebeef5Sahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) { 98491ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 98591ebeef5Sahrens return (DCMD_ERR); 98644cb6abcSbmc } 98744cb6abcSbmc 98891ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 98991ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 99091ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 99191ebeef5Sahrens extras[i]); 99291ebeef5Sahrens return (DCMD_ERR); 99344cb6abcSbmc } 99444cb6abcSbmc 99591ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 99691ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 99791ebeef5Sahrens return (DCMD_ERR); 99844cb6abcSbmc } 99944cb6abcSbmc 100091ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 100191ebeef5Sahrens 100291ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 100391ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 100491ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 100544cb6abcSbmc 100691ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 100791ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 100891ebeef5Sahrens } 100944cb6abcSbmc return (DCMD_OK); 101044cb6abcSbmc } 101144cb6abcSbmc 1012fa9e4066Sahrens /* 1013fa9e4066Sahrens * ::spa 1014fa9e4066Sahrens * 1015fa9e4066Sahrens * -c Print configuration information as well 1016fa9e4066Sahrens * -v Print vdev state 1017fa9e4066Sahrens * -e Print vdev error stats 1018fa9e4066Sahrens * 1019fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1020fa9e4066Sahrens * active pools on the system. 1021fa9e4066Sahrens */ 1022fa9e4066Sahrens /* ARGSUSED */ 1023fa9e4066Sahrens static int 1024fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1025fa9e4066Sahrens { 1026fa9e4066Sahrens spa_t spa; 1027fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1028e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1029fa9e4066Sahrens const char *state; 1030fa9e4066Sahrens int config = FALSE; 1031fa9e4066Sahrens int vdevs = FALSE; 1032fa9e4066Sahrens int errors = FALSE; 1033fa9e4066Sahrens 1034fa9e4066Sahrens if (mdb_getopts(argc, argv, 1035fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 1036fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 1037fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1038fa9e4066Sahrens NULL) != argc) 1039fa9e4066Sahrens return (DCMD_USAGE); 1040fa9e4066Sahrens 1041fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1042fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1043fa9e4066Sahrens mdb_warn("can't walk spa"); 1044fa9e4066Sahrens return (DCMD_ERR); 1045fa9e4066Sahrens } 1046fa9e4066Sahrens 1047fa9e4066Sahrens return (DCMD_OK); 1048fa9e4066Sahrens } 1049fa9e4066Sahrens 1050fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1051fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1052fa9e4066Sahrens return (DCMD_OK); 1053fa9e4066Sahrens } 1054fa9e4066Sahrens 1055fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1056fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1057fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1058fa9e4066Sahrens 1059fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1060fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1061fa9e4066Sahrens return (DCMD_ERR); 1062fa9e4066Sahrens } 1063fa9e4066Sahrens 1064fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1065ea8dc4b6Seschrock state = "UNKNOWN"; 1066fa9e4066Sahrens else 1067fa9e4066Sahrens state = statetab[spa.spa_state]; 1068fa9e4066Sahrens 1069e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1070fa9e4066Sahrens 1071fa9e4066Sahrens if (config) { 1072fa9e4066Sahrens mdb_printf("\n"); 1073fa9e4066Sahrens mdb_inc_indent(4); 1074fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1075fa9e4066Sahrens NULL) != DCMD_OK) 1076fa9e4066Sahrens return (DCMD_ERR); 1077fa9e4066Sahrens mdb_dec_indent(4); 1078fa9e4066Sahrens } 1079fa9e4066Sahrens 1080fa9e4066Sahrens if (vdevs || errors) { 1081fa9e4066Sahrens mdb_arg_t v; 1082fa9e4066Sahrens 1083fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1084fa9e4066Sahrens v.a_un.a_str = "-e"; 1085fa9e4066Sahrens 1086fa9e4066Sahrens mdb_printf("\n"); 1087fa9e4066Sahrens mdb_inc_indent(4); 1088fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1089fa9e4066Sahrens &v) != DCMD_OK) 1090fa9e4066Sahrens return (DCMD_ERR); 1091fa9e4066Sahrens mdb_dec_indent(4); 1092fa9e4066Sahrens } 1093fa9e4066Sahrens 1094fa9e4066Sahrens return (DCMD_OK); 1095fa9e4066Sahrens } 1096fa9e4066Sahrens 1097fa9e4066Sahrens /* 1098fa9e4066Sahrens * ::spa_config 1099fa9e4066Sahrens * 1100fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1101fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1102fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1103fa9e4066Sahrens */ 1104fa9e4066Sahrens /* ARGSUSED */ 1105fa9e4066Sahrens static int 1106fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1107fa9e4066Sahrens { 1108fa9e4066Sahrens spa_t spa; 1109fa9e4066Sahrens 1110fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1111fa9e4066Sahrens return (DCMD_USAGE); 1112fa9e4066Sahrens 1113fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1114fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1115fa9e4066Sahrens return (DCMD_ERR); 1116fa9e4066Sahrens } 1117fa9e4066Sahrens 1118fa9e4066Sahrens if (spa.spa_config == NULL) { 1119fa9e4066Sahrens mdb_printf("(none)\n"); 1120fa9e4066Sahrens return (DCMD_OK); 1121fa9e4066Sahrens } 1122fa9e4066Sahrens 1123fa9e4066Sahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, 1124fa9e4066Sahrens 0, NULL)); 1125fa9e4066Sahrens } 1126fa9e4066Sahrens 1127fa9e4066Sahrens /* 1128fa9e4066Sahrens * ::vdev 1129fa9e4066Sahrens * 1130fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1131fa9e4066Sahrens * 1132fa9e4066Sahrens * ADDR STATE AUX DESC 1133fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1134fa9e4066Sahrens * 1135fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1136fa9e4066Sahrens * 1137fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1138fa9e4066Sahrens */ 1139fa9e4066Sahrens static int 1140614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1141fa9e4066Sahrens int recursive) 1142fa9e4066Sahrens { 1143fa9e4066Sahrens vdev_t vdev; 1144fa9e4066Sahrens char desc[MAXNAMELEN]; 1145fa9e4066Sahrens int c, children; 1146fa9e4066Sahrens uintptr_t *child; 1147fa9e4066Sahrens const char *state, *aux; 1148fa9e4066Sahrens 1149fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1150fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1151fa9e4066Sahrens return (DCMD_ERR); 1152fa9e4066Sahrens } 1153fa9e4066Sahrens 1154fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1155fa9e4066Sahrens mdb_printf("%#lr", addr); 1156fa9e4066Sahrens } else { 1157fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1158fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1159fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1160fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1161fa9e4066Sahrens vdev.vdev_path); 1162fa9e4066Sahrens return (DCMD_ERR); 1163fa9e4066Sahrens } 1164fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1165fa9e4066Sahrens vdev_ops_t ops; 1166fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1167fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1168fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1169fa9e4066Sahrens vdev.vdev_ops); 1170fa9e4066Sahrens return (DCMD_ERR); 1171fa9e4066Sahrens } 1172fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1173fa9e4066Sahrens } else { 1174fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1175fa9e4066Sahrens } 1176fa9e4066Sahrens 1177fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1178fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1179fa9e4066Sahrens "ADDR", "STATE", "AUX", 1180fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1181fa9e4066Sahrens "DESCRIPTION"); 1182fa9e4066Sahrens 1183fa9e4066Sahrens mdb_printf("%0?p ", addr); 1184fa9e4066Sahrens 1185fa9e4066Sahrens switch (vdev.vdev_state) { 1186fa9e4066Sahrens case VDEV_STATE_CLOSED: 1187ccae0b50Seschrock state = "CLOSED"; 1188ccae0b50Seschrock break; 1189fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1190ccae0b50Seschrock state = "OFFLINE"; 1191ccae0b50Seschrock break; 1192fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1193ccae0b50Seschrock state = "CANT_OPEN"; 1194ccae0b50Seschrock break; 1195fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1196ccae0b50Seschrock state = "DEGRADED"; 1197ccae0b50Seschrock break; 1198fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1199ccae0b50Seschrock state = "HEALTHY"; 1200ccae0b50Seschrock break; 12013d7072f8Seschrock case VDEV_STATE_REMOVED: 12023d7072f8Seschrock state = "REMOVED"; 12033d7072f8Seschrock break; 12043d7072f8Seschrock case VDEV_STATE_FAULTED: 12053d7072f8Seschrock state = "FAULTED"; 12063d7072f8Seschrock break; 1207fa9e4066Sahrens default: 1208ccae0b50Seschrock state = "UNKNOWN"; 1209ccae0b50Seschrock break; 1210fa9e4066Sahrens } 1211fa9e4066Sahrens 1212fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1213fa9e4066Sahrens case VDEV_AUX_NONE: 1214fa9e4066Sahrens aux = "-"; 1215fa9e4066Sahrens break; 1216fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1217fa9e4066Sahrens aux = "OPEN_FAILED"; 1218fa9e4066Sahrens break; 1219fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1220fa9e4066Sahrens aux = "CORRUPT_DATA"; 1221fa9e4066Sahrens break; 1222fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1223fa9e4066Sahrens aux = "NO_REPLICAS"; 1224fa9e4066Sahrens break; 1225fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1226fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1227fa9e4066Sahrens break; 1228fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1229fa9e4066Sahrens aux = "TOO_SMALL"; 1230fa9e4066Sahrens break; 1231fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1232fa9e4066Sahrens aux = "BAD_LABEL"; 1233fa9e4066Sahrens break; 1234b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1235b87f3af3Sperrin aux = "VERS_NEWER"; 1236b87f3af3Sperrin break; 1237b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1238b87f3af3Sperrin aux = "VERS_OLDER"; 1239b87f3af3Sperrin break; 1240b87f3af3Sperrin case VDEV_AUX_SPARED: 1241b87f3af3Sperrin aux = "SPARED"; 1242b87f3af3Sperrin break; 1243b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1244b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1245b87f3af3Sperrin break; 1246b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1247b87f3af3Sperrin aux = "IO_FAILURE"; 1248b87f3af3Sperrin break; 1249b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1250b87f3af3Sperrin aux = "BAD_LOG"; 1251b87f3af3Sperrin break; 12521195e687SMark J Musante case VDEV_AUX_EXTERNAL: 12531195e687SMark J Musante aux = "EXTERNAL"; 12541195e687SMark J Musante break; 12551195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 12561195e687SMark J Musante aux = "SPLIT_POOL"; 12571195e687SMark J Musante break; 1258fa9e4066Sahrens default: 1259fa9e4066Sahrens aux = "UNKNOWN"; 1260fa9e4066Sahrens break; 1261fa9e4066Sahrens } 1262fa9e4066Sahrens 1263fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1264fa9e4066Sahrens 1265fa9e4066Sahrens if (stats) { 1266fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1267fa9e4066Sahrens int i; 1268fa9e4066Sahrens 1269fa9e4066Sahrens mdb_inc_indent(4); 1270fa9e4066Sahrens mdb_printf("\n"); 1271fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1272fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1273fa9e4066Sahrens "IOCTL"); 1274fa9e4066Sahrens mdb_printf("OPS "); 1275fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1276fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1277fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1278fa9e4066Sahrens mdb_printf("\n"); 1279fa9e4066Sahrens mdb_printf("BYTES "); 1280fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1281fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1282fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1283fa9e4066Sahrens 1284fa9e4066Sahrens 1285fa9e4066Sahrens mdb_printf("\n"); 1286fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1287fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1288fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1289fa9e4066Sahrens vs->vs_checksum_errors); 1290fa9e4066Sahrens mdb_dec_indent(4); 1291fa9e4066Sahrens } 1292fa9e4066Sahrens 1293614409b5Sahrens if (stats) 1294fa9e4066Sahrens mdb_printf("\n"); 1295fa9e4066Sahrens } 1296fa9e4066Sahrens 1297fa9e4066Sahrens children = vdev.vdev_children; 1298fa9e4066Sahrens 1299fa9e4066Sahrens if (children == 0 || !recursive) 1300fa9e4066Sahrens return (DCMD_OK); 1301fa9e4066Sahrens 1302fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1303fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1304fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1305fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1306fa9e4066Sahrens return (DCMD_ERR); 1307fa9e4066Sahrens } 1308fa9e4066Sahrens 1309fa9e4066Sahrens for (c = 0; c < children; c++) { 1310614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1311fa9e4066Sahrens recursive)) 1312fa9e4066Sahrens return (DCMD_ERR); 1313fa9e4066Sahrens } 1314fa9e4066Sahrens 1315fa9e4066Sahrens return (DCMD_OK); 1316fa9e4066Sahrens } 1317fa9e4066Sahrens 1318fa9e4066Sahrens static int 1319fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1320fa9e4066Sahrens { 1321fa9e4066Sahrens int recursive = FALSE; 1322fa9e4066Sahrens int stats = FALSE; 1323c5904d13Seschrock uint64_t depth = 0; 1324fa9e4066Sahrens 1325fa9e4066Sahrens if (mdb_getopts(argc, argv, 1326fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1327fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1328c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1329fa9e4066Sahrens NULL) != argc) 1330fa9e4066Sahrens return (DCMD_USAGE); 1331fa9e4066Sahrens 1332fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1333fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1334fa9e4066Sahrens return (DCMD_ERR); 1335fa9e4066Sahrens } 1336fa9e4066Sahrens 1337c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1338fa9e4066Sahrens } 1339fa9e4066Sahrens 13405f5f7a6fSahrens typedef struct metaslab_walk_data { 13415f5f7a6fSahrens uint64_t mw_numvdevs; 13425f5f7a6fSahrens uintptr_t *mw_vdevs; 13435f5f7a6fSahrens int mw_curvdev; 13445f5f7a6fSahrens uint64_t mw_nummss; 13455f5f7a6fSahrens uintptr_t *mw_mss; 13465f5f7a6fSahrens int mw_curms; 13475f5f7a6fSahrens } metaslab_walk_data_t; 13485f5f7a6fSahrens 13495f5f7a6fSahrens static int 13505f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 13515f5f7a6fSahrens { 13525f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 13535f5f7a6fSahrens metaslab_t ms; 13545f5f7a6fSahrens uintptr_t msp; 13555f5f7a6fSahrens 13565f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 13575f5f7a6fSahrens return (WALK_DONE); 13585f5f7a6fSahrens 13595f5f7a6fSahrens if (mw->mw_mss == NULL) { 13605f5f7a6fSahrens uintptr_t mssp; 13615f5f7a6fSahrens uintptr_t vdevp; 13625f5f7a6fSahrens 13635f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 13645f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 13655f5f7a6fSahrens 13665f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 13675f5f7a6fSahrens if (GETMEMB(vdevp, struct vdev, vdev_ms, mssp) || 13685f5f7a6fSahrens GETMEMB(vdevp, struct vdev, vdev_ms_count, mw->mw_nummss)) { 13695f5f7a6fSahrens return (WALK_ERR); 13705f5f7a6fSahrens } 13715f5f7a6fSahrens 13725f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 13735f5f7a6fSahrens UM_SLEEP | UM_GC); 13745f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 13755f5f7a6fSahrens mssp) == -1) { 13765f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 13775f5f7a6fSahrens return (WALK_ERR); 13785f5f7a6fSahrens } 13795f5f7a6fSahrens } 13805f5f7a6fSahrens 13815f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13825f5f7a6fSahrens mw->mw_mss = NULL; 13835f5f7a6fSahrens mw->mw_curms = 0; 13845f5f7a6fSahrens mw->mw_nummss = 0; 13855f5f7a6fSahrens mw->mw_curvdev++; 13865f5f7a6fSahrens return (WALK_NEXT); 13875f5f7a6fSahrens } 13885f5f7a6fSahrens 13895f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13905f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13915f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13925f5f7a6fSahrens return (WALK_ERR); 13935f5f7a6fSahrens } 13945f5f7a6fSahrens 13955f5f7a6fSahrens mw->mw_curms++; 13965f5f7a6fSahrens 13975f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13985f5f7a6fSahrens } 13995f5f7a6fSahrens 14005f5f7a6fSahrens /* ARGSUSED */ 14015f5f7a6fSahrens static int 14025f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 14035f5f7a6fSahrens { 14045f5f7a6fSahrens metaslab_walk_data_t *mw; 14055f5f7a6fSahrens uintptr_t root_vdevp; 14065f5f7a6fSahrens uintptr_t childp; 14075f5f7a6fSahrens 14085f5f7a6fSahrens if (wsp->walk_addr == NULL) { 14095f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 14105f5f7a6fSahrens return (WALK_ERR); 14115f5f7a6fSahrens } 14125f5f7a6fSahrens 14135f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 14145f5f7a6fSahrens 14155f5f7a6fSahrens if (GETMEMB(wsp->walk_addr, struct spa, spa_root_vdev, root_vdevp) || 14165f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_children, mw->mw_numvdevs) || 14175f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_child, childp)) { 14185f5f7a6fSahrens return (DCMD_ERR); 14195f5f7a6fSahrens } 14205f5f7a6fSahrens 14215f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 14225f5f7a6fSahrens UM_SLEEP | UM_GC); 14235f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 14245f5f7a6fSahrens childp) == -1) { 14255f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 14265f5f7a6fSahrens return (DCMD_ERR); 14275f5f7a6fSahrens } 14285f5f7a6fSahrens 14295f5f7a6fSahrens wsp->walk_data = mw; 14305f5f7a6fSahrens 14315f5f7a6fSahrens return (WALK_NEXT); 14325f5f7a6fSahrens } 14335f5f7a6fSahrens 1434fa9e4066Sahrens typedef struct mdb_spa { 1435fa9e4066Sahrens uintptr_t spa_dsl_pool; 1436fa9e4066Sahrens uintptr_t spa_root_vdev; 1437fa9e4066Sahrens } mdb_spa_t; 1438fa9e4066Sahrens 1439fa9e4066Sahrens typedef struct mdb_dsl_dir { 1440fa9e4066Sahrens uintptr_t dd_phys; 1441fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1442fa9e4066Sahrens } mdb_dsl_dir_t; 1443fa9e4066Sahrens 1444fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1445fa9e4066Sahrens uint64_t dd_used_bytes; 1446fa9e4066Sahrens uint64_t dd_compressed_bytes; 1447fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1448fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1449fa9e4066Sahrens 1450fa9e4066Sahrens typedef struct mdb_vdev { 1451fa9e4066Sahrens uintptr_t vdev_parent; 1452fa9e4066Sahrens uintptr_t vdev_ms; 1453fa9e4066Sahrens uint64_t vdev_ms_count; 1454fa9e4066Sahrens vdev_stat_t vdev_stat; 1455fa9e4066Sahrens } mdb_vdev_t; 1456fa9e4066Sahrens 1457fa9e4066Sahrens typedef struct mdb_metaslab { 1458fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1459fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1460fa9e4066Sahrens space_map_t ms_map; 1461ecc2d604Sbonwick space_map_obj_t ms_smo; 14625f5f7a6fSahrens space_map_obj_t ms_smo_syncing; 1463fa9e4066Sahrens } mdb_metaslab_t; 1464fa9e4066Sahrens 14655f5f7a6fSahrens typedef struct space_data { 14665f5f7a6fSahrens uint64_t ms_allocmap[TXG_SIZE]; 14675f5f7a6fSahrens uint64_t ms_freemap[TXG_SIZE]; 14685f5f7a6fSahrens uint64_t ms_map; 14695f5f7a6fSahrens uint64_t avail; 14705f5f7a6fSahrens uint64_t nowavail; 14715f5f7a6fSahrens } space_data_t; 14725f5f7a6fSahrens 14735f5f7a6fSahrens /* ARGSUSED */ 14745f5f7a6fSahrens static int 14755f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 14765f5f7a6fSahrens { 14775f5f7a6fSahrens space_data_t *sd = arg; 14785f5f7a6fSahrens mdb_metaslab_t ms; 14795f5f7a6fSahrens 14805f5f7a6fSahrens if (GETMEMB(addr, struct metaslab, ms_allocmap, ms.ms_allocmap) || 14815f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_freemap, ms.ms_freemap) || 14825f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_map, ms.ms_map) || 14835f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo, ms.ms_smo) || 14845f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo_syncing, ms.ms_smo_syncing)) { 14855f5f7a6fSahrens return (WALK_ERR); 14865f5f7a6fSahrens } 14875f5f7a6fSahrens 14885f5f7a6fSahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 14895f5f7a6fSahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 14905f5f7a6fSahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 14915f5f7a6fSahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 14925f5f7a6fSahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; 14935f5f7a6fSahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; 14945f5f7a6fSahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; 14955f5f7a6fSahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; 14965f5f7a6fSahrens sd->ms_map += ms.ms_map.sm_space; 14975f5f7a6fSahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; 14985f5f7a6fSahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; 14995f5f7a6fSahrens 15005f5f7a6fSahrens return (WALK_NEXT); 15015f5f7a6fSahrens } 15025f5f7a6fSahrens 1503fa9e4066Sahrens /* 1504fa9e4066Sahrens * ::spa_space [-b] 1505fa9e4066Sahrens * 1506fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1507fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1508fa9e4066Sahrens * Otherwise print in megabytes. 1509fa9e4066Sahrens */ 1510fa9e4066Sahrens /* ARGSUSED */ 1511fa9e4066Sahrens static int 1512fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1513fa9e4066Sahrens { 1514fa9e4066Sahrens mdb_spa_t spa; 1515fa9e4066Sahrens uintptr_t dp_root_dir; 1516fa9e4066Sahrens mdb_dsl_dir_t dd; 1517fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1518fa9e4066Sahrens uint64_t children; 1519fa9e4066Sahrens uintptr_t childaddr; 15205f5f7a6fSahrens space_data_t sd; 1521fa9e4066Sahrens int shift = 20; 1522fa9e4066Sahrens char *suffix = "M"; 1523fa9e4066Sahrens int bits = FALSE; 1524fa9e4066Sahrens 1525fa9e4066Sahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != 1526fa9e4066Sahrens argc) 1527fa9e4066Sahrens return (DCMD_USAGE); 1528fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1529fa9e4066Sahrens return (DCMD_USAGE); 1530fa9e4066Sahrens 1531fa9e4066Sahrens if (bits) { 1532fa9e4066Sahrens shift = 0; 1533fa9e4066Sahrens suffix = ""; 1534fa9e4066Sahrens } 1535fa9e4066Sahrens 1536fa9e4066Sahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || 1537fa9e4066Sahrens GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || 1538fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || 1539fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || 1540fa9e4066Sahrens GETMEMB(spa.spa_dsl_pool, struct dsl_pool, 1541fa9e4066Sahrens dp_root_dir, dp_root_dir) || 1542fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || 1543fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, 1544fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 1545fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 15465f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 15475f5f7a6fSahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1548fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 1549fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1550fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1551fa9e4066Sahrens return (DCMD_ERR); 1552fa9e4066Sahrens } 1553fa9e4066Sahrens 1554fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1555fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1556fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1557fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1558fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1559fa9e4066Sahrens 1560fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1561fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 15625f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 15635f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 15645f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 15655f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 15665f5f7a6fSahrens 15675f5f7a6fSahrens bzero(&sd, sizeof (sd)); 15685f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 15695f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 15705f5f7a6fSahrens return (DCMD_ERR); 1571fa9e4066Sahrens } 1572fa9e4066Sahrens 1573fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 15745f5f7a6fSahrens sd.ms_allocmap[0] >> shift, suffix, 15755f5f7a6fSahrens sd.ms_allocmap[1] >> shift, suffix, 15765f5f7a6fSahrens sd.ms_allocmap[2] >> shift, suffix, 15775f5f7a6fSahrens sd.ms_allocmap[3] >> shift, suffix); 1578fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 15795f5f7a6fSahrens sd.ms_freemap[0] >> shift, suffix, 15805f5f7a6fSahrens sd.ms_freemap[1] >> shift, suffix, 15815f5f7a6fSahrens sd.ms_freemap[2] >> shift, suffix, 15825f5f7a6fSahrens sd.ms_freemap[3] >> shift, suffix); 15835f5f7a6fSahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); 15845f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 15855f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 15865f5f7a6fSahrens sd.nowavail >> shift, suffix); 1587fa9e4066Sahrens 1588fa9e4066Sahrens return (DCMD_OK); 1589fa9e4066Sahrens } 1590fa9e4066Sahrens 1591fa9e4066Sahrens /* 1592fa9e4066Sahrens * ::spa_verify 1593fa9e4066Sahrens * 1594fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1595fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1596fa9e4066Sahrens */ 1597fa9e4066Sahrens /* ARGSUSED */ 1598fa9e4066Sahrens static int 1599fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1600fa9e4066Sahrens { 1601fa9e4066Sahrens spa_t spa; 1602fa9e4066Sahrens 1603fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1604fa9e4066Sahrens return (DCMD_USAGE); 1605fa9e4066Sahrens 1606fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1607fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1608fa9e4066Sahrens return (DCMD_ERR); 1609fa9e4066Sahrens } 1610fa9e4066Sahrens 1611fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1612fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1613fa9e4066Sahrens return (DCMD_OK); 1614fa9e4066Sahrens } 1615fa9e4066Sahrens 1616fa9e4066Sahrens return (DCMD_OK); 1617fa9e4066Sahrens } 1618fa9e4066Sahrens 1619ec9f632eSEric Schrock static int 1620ec9f632eSEric Schrock spa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1621ec9f632eSEric Schrock const char *name) 1622ec9f632eSEric Schrock { 1623ec9f632eSEric Schrock uintptr_t *aux; 1624ec9f632eSEric Schrock size_t len; 1625ec9f632eSEric Schrock int ret, i; 1626ec9f632eSEric Schrock 1627ec9f632eSEric Schrock /* 1628ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1629ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1630ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1631ec9f632eSEric Schrock * vdev. 1632ec9f632eSEric Schrock */ 1633ec9f632eSEric Schrock if (sav->sav_count != 0) { 1634ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1635ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1636ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1637ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1638ec9f632eSEric Schrock 1639ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1640ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 1641ec9f632eSEric Schrock if (mdb_vread(aux, len, 1642ec9f632eSEric Schrock (uintptr_t)sav->sav_vdevs) == -1) { 1643ec9f632eSEric Schrock mdb_free(aux, len); 1644ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1645ec9f632eSEric Schrock sav->sav_vdevs); 1646ec9f632eSEric Schrock return (DCMD_ERR); 1647ec9f632eSEric Schrock } 1648ec9f632eSEric Schrock 1649ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1650ec9f632eSEric Schrock 1651ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1652ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1653ec9f632eSEric Schrock if (ret != DCMD_OK) { 1654ec9f632eSEric Schrock mdb_free(aux, len); 1655ec9f632eSEric Schrock return (ret); 1656ec9f632eSEric Schrock } 1657ec9f632eSEric Schrock } 1658ec9f632eSEric Schrock 1659ec9f632eSEric Schrock mdb_free(aux, len); 1660ec9f632eSEric Schrock } 1661ec9f632eSEric Schrock 1662ec9f632eSEric Schrock return (0); 1663ec9f632eSEric Schrock } 1664ec9f632eSEric Schrock 1665fa9e4066Sahrens /* 1666fa9e4066Sahrens * ::spa_vdevs 1667fa9e4066Sahrens * 1668fa9e4066Sahrens * -e Include error stats 1669fa9e4066Sahrens * 1670fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1671c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1672c5904d13Seschrock * iterating over the cache devices. 1673fa9e4066Sahrens */ 1674fa9e4066Sahrens /* ARGSUSED */ 1675fa9e4066Sahrens static int 1676fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1677fa9e4066Sahrens { 1678fa9e4066Sahrens spa_t spa; 1679c5904d13Seschrock mdb_arg_t v[3]; 1680fa9e4066Sahrens int errors = FALSE; 1681ec9f632eSEric Schrock int ret; 1682fa9e4066Sahrens 1683fa9e4066Sahrens if (mdb_getopts(argc, argv, 1684fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1685fa9e4066Sahrens NULL) != argc) 1686fa9e4066Sahrens return (DCMD_USAGE); 1687fa9e4066Sahrens 1688fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1689fa9e4066Sahrens return (DCMD_USAGE); 1690fa9e4066Sahrens 1691fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1692fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1693fa9e4066Sahrens return (DCMD_ERR); 1694fa9e4066Sahrens } 1695fa9e4066Sahrens 1696088e9d47Seschrock /* 1697088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1698088e9d47Seschrock */ 1699088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1700088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1701088e9d47Seschrock return (DCMD_OK); 1702088e9d47Seschrock } 1703088e9d47Seschrock 1704c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1705c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1706fa9e4066Sahrens 1707c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1708c5904d13Seschrock flags, 1, v); 1709c5904d13Seschrock if (ret != DCMD_OK) 1710c5904d13Seschrock return (ret); 1711c5904d13Seschrock 1712ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1713ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1714ec9f632eSEric Schrock return (DCMD_ERR); 1715c5904d13Seschrock 1716c5904d13Seschrock return (DCMD_OK); 1717fa9e4066Sahrens } 1718fa9e4066Sahrens 1719ccae0b50Seschrock /* 1720ccae0b50Seschrock * ::zio 1721ccae0b50Seschrock * 1722ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1723ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1724ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1725ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1726ccae0b50Seschrock * 1727ccae0b50Seschrock * ADDRESS TYPE STAGE WAITER 1728ccae0b50Seschrock * 1729ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1730ccae0b50Seschrock * descend down the tree. 1731ccae0b50Seschrock */ 1732fac3008cSeschrock 1733a3f829aeSBill Moore #define ZIO_MAXINDENT 24 1734a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1735a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1736a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1737a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1738a3f829aeSBill Moore 1739a3f829aeSBill Moore typedef struct zio_print_args { 1740a3f829aeSBill Moore int zpa_current_depth; 1741a3f829aeSBill Moore int zpa_min_depth; 1742a3f829aeSBill Moore int zpa_max_depth; 1743a3f829aeSBill Moore int zpa_type; 1744a3f829aeSBill Moore uint_t zpa_flags; 1745a3f829aeSBill Moore } zio_print_args_t; 1746a3f829aeSBill Moore 1747a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1748fac3008cSeschrock 1749ccae0b50Seschrock static int 1750ccae0b50Seschrock zio_print_cb(uintptr_t addr, const void *data, void *priv) 1751ccae0b50Seschrock { 1752ccae0b50Seschrock const zio_t *zio = data; 1753a3f829aeSBill Moore zio_print_args_t *zpa = priv; 1754ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1755a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1756ccae0b50Seschrock const char *type, *stage; 1757a3f829aeSBill Moore uintptr_t laddr; 1758ccae0b50Seschrock 1759a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1760a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1761ccae0b50Seschrock 1762ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1763ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1764ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1765ccae0b50Seschrock return (WALK_ERR); 1766ccae0b50Seschrock } 1767ccae0b50Seschrock 1768ccae0b50Seschrock if ((type = mdb_ctf_enum_name(type_enum, zio->io_type)) != NULL) 1769ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1770ccae0b50Seschrock else 1771ccae0b50Seschrock type = "?"; 1772ccae0b50Seschrock 1773ccae0b50Seschrock if ((stage = mdb_ctf_enum_name(stage_enum, zio->io_stage)) != NULL) 1774ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 1775ccae0b50Seschrock else 1776ccae0b50Seschrock stage = "?"; 1777ccae0b50Seschrock 1778a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1779a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1780a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1781a3f829aeSBill Moore } else { 1782a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1783a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1784a3f829aeSBill Moore if (zio->io_waiter) 1785a3f829aeSBill Moore mdb_printf("%?p\n", zio->io_waiter); 1786a3f829aeSBill Moore else 1787a3f829aeSBill Moore mdb_printf("-\n"); 1788a3f829aeSBill Moore } 1789a3f829aeSBill Moore } 1790a3f829aeSBill Moore 1791a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1792a3f829aeSBill Moore return (WALK_NEXT); 1793ccae0b50Seschrock 1794a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1795a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_parent_list); 1796ccae0b50Seschrock else 1797a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_child_list); 1798ccae0b50Seschrock 1799a3f829aeSBill Moore zpa->zpa_current_depth++; 1800a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1801a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1802ccae0b50Seschrock return (WALK_ERR); 1803ccae0b50Seschrock } 1804a3f829aeSBill Moore zpa->zpa_current_depth--; 1805ccae0b50Seschrock 1806ccae0b50Seschrock return (WALK_NEXT); 1807ccae0b50Seschrock } 1808ccae0b50Seschrock 1809a3f829aeSBill Moore /* ARGSUSED */ 1810ccae0b50Seschrock static int 1811a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1812ccae0b50Seschrock { 1813a3f829aeSBill Moore zio_link_t zl; 1814ccae0b50Seschrock zio_t zio; 1815a3f829aeSBill Moore uintptr_t ziop; 1816a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1817a3f829aeSBill Moore 1818a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1819a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1820a3f829aeSBill Moore return (WALK_ERR); 1821a3f829aeSBill Moore } 1822a3f829aeSBill Moore 1823a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1824a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1825a3f829aeSBill Moore else 1826a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1827a3f829aeSBill Moore 1828a3f829aeSBill Moore if (mdb_vread(&zio, sizeof (zio_t), ziop) == -1) { 1829a3f829aeSBill Moore mdb_warn("failed to read zio_t at %p", ziop); 1830a3f829aeSBill Moore return (WALK_ERR); 1831a3f829aeSBill Moore } 1832fac3008cSeschrock 1833a3f829aeSBill Moore return (zio_print_cb(ziop, &zio, arg)); 1834a3f829aeSBill Moore } 1835a3f829aeSBill Moore 1836a3f829aeSBill Moore /* ARGSUSED */ 1837a3f829aeSBill Moore static int 1838a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1839a3f829aeSBill Moore { 1840a3f829aeSBill Moore zio_t zio; 1841a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1842ccae0b50Seschrock 1843ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1844ccae0b50Seschrock return (DCMD_USAGE); 1845ccae0b50Seschrock 1846a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1847a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1848a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1849a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1850a3f829aeSBill Moore NULL) != argc) 1851a3f829aeSBill Moore return (DCMD_USAGE); 1852a3f829aeSBill Moore 1853a3f829aeSBill Moore zpa.zpa_flags = flags; 1854a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1855a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1856a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1857a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1858a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1859a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1860a3f829aeSBill Moore } 1861a3f829aeSBill Moore 1862ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio_t), addr) == -1) { 1863ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", addr); 1864ccae0b50Seschrock return (DCMD_ERR); 1865ccae0b50Seschrock } 1866ccae0b50Seschrock 1867a3f829aeSBill Moore if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) 1868a3f829aeSBill Moore mdb_printf("%<u>%-*s %-5s %-16s %-?s%</u>\n", ZIO_MAXWIDTH, 1869fac3008cSeschrock "ADDRESS", "TYPE", "STAGE", "WAITER"); 1870fac3008cSeschrock 1871a3f829aeSBill Moore if (zio_print_cb(addr, &zio, &zpa) != WALK_NEXT) 1872ccae0b50Seschrock return (DCMD_ERR); 1873ccae0b50Seschrock 1874ccae0b50Seschrock return (DCMD_OK); 1875ccae0b50Seschrock } 1876ccae0b50Seschrock 1877ccae0b50Seschrock /* 1878ccae0b50Seschrock * [addr]::zio_state 1879ccae0b50Seschrock * 1880ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1881ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1882ccae0b50Seschrock */ 1883ccae0b50Seschrock /*ARGSUSED*/ 1884ccae0b50Seschrock static int 1885ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1886ccae0b50Seschrock { 1887ccae0b50Seschrock /* 1888ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1889ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1890ccae0b50Seschrock * non-existent spa_t. 1891ccae0b50Seschrock */ 1892ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1893ccae0b50Seschrock addr = 0; 1894ccae0b50Seschrock 1895ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1896ccae0b50Seschrock } 1897ccae0b50Seschrock 1898fa9e4066Sahrens typedef struct txg_list_walk_data { 1899fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1900fa9e4066Sahrens int lw_txgoff; 1901fa9e4066Sahrens int lw_maxoff; 1902fa9e4066Sahrens size_t lw_offset; 1903fa9e4066Sahrens void *lw_obj; 1904fa9e4066Sahrens } txg_list_walk_data_t; 1905fa9e4066Sahrens 1906fa9e4066Sahrens static int 1907fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1908fa9e4066Sahrens { 1909fa9e4066Sahrens txg_list_walk_data_t *lwd; 1910fa9e4066Sahrens txg_list_t list; 1911fa9e4066Sahrens int i; 1912fa9e4066Sahrens 1913fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1914fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1915fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1916fa9e4066Sahrens return (WALK_ERR); 1917fa9e4066Sahrens } 1918fa9e4066Sahrens 1919fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1920fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1921fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1922fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1923fa9e4066Sahrens UM_SLEEP | UM_GC); 1924fa9e4066Sahrens lwd->lw_txgoff = txg; 1925fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1926fa9e4066Sahrens 1927fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1928fa9e4066Sahrens wsp->walk_data = lwd; 1929fa9e4066Sahrens 1930fa9e4066Sahrens return (WALK_NEXT); 1931fa9e4066Sahrens } 1932fa9e4066Sahrens 1933fa9e4066Sahrens static int 1934fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1935fa9e4066Sahrens { 1936fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1937fa9e4066Sahrens } 1938fa9e4066Sahrens 1939fa9e4066Sahrens static int 1940fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1941fa9e4066Sahrens { 1942fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1943fa9e4066Sahrens } 1944fa9e4066Sahrens 1945fa9e4066Sahrens static int 1946fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1947fa9e4066Sahrens { 1948fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1949fa9e4066Sahrens } 1950fa9e4066Sahrens 1951fa9e4066Sahrens static int 1952fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1953fa9e4066Sahrens { 1954fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1955fa9e4066Sahrens } 1956fa9e4066Sahrens 1957fa9e4066Sahrens static int 1958fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1959fa9e4066Sahrens { 1960fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1961fa9e4066Sahrens } 1962fa9e4066Sahrens 1963fa9e4066Sahrens static int 1964fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1965fa9e4066Sahrens { 1966fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1967fa9e4066Sahrens uintptr_t addr; 1968fa9e4066Sahrens txg_node_t *node; 1969fa9e4066Sahrens int status; 1970fa9e4066Sahrens 1971fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1972fa9e4066Sahrens lwd->lw_txgoff++; 1973fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1974fa9e4066Sahrens } 1975fa9e4066Sahrens 1976fa9e4066Sahrens if (wsp->walk_addr == NULL) 1977fa9e4066Sahrens return (WALK_DONE); 1978fa9e4066Sahrens 1979fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 1980fa9e4066Sahrens 1981fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 1982fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 1983fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 1984fa9e4066Sahrens return (WALK_ERR); 1985fa9e4066Sahrens } 1986fa9e4066Sahrens 1987fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 1988fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 1989fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 1990fa9e4066Sahrens 1991fa9e4066Sahrens return (status); 1992fa9e4066Sahrens } 1993fa9e4066Sahrens 1994fa9e4066Sahrens /* 1995fa9e4066Sahrens * ::walk spa 1996fa9e4066Sahrens * 1997fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 1998fa9e4066Sahrens * a layered avl walk. 1999fa9e4066Sahrens */ 2000fa9e4066Sahrens static int 2001fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2002fa9e4066Sahrens { 2003fa9e4066Sahrens GElf_Sym sym; 2004fa9e4066Sahrens 2005fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2006fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2007fa9e4066Sahrens return (WALK_ERR); 2008fa9e4066Sahrens } 2009fa9e4066Sahrens 2010fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2011fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2012fa9e4066Sahrens return (WALK_ERR); 2013fa9e4066Sahrens } 2014fa9e4066Sahrens 2015fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2016fa9e4066Sahrens 2017fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2018fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2019fa9e4066Sahrens return (WALK_ERR); 2020fa9e4066Sahrens } 2021fa9e4066Sahrens 2022fa9e4066Sahrens return (WALK_NEXT); 2023fa9e4066Sahrens } 2024fa9e4066Sahrens 2025fa9e4066Sahrens static int 2026fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2027fa9e4066Sahrens { 2028fa9e4066Sahrens spa_t spa; 2029fa9e4066Sahrens 2030fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 2031fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 2032fa9e4066Sahrens return (WALK_ERR); 2033fa9e4066Sahrens } 2034fa9e4066Sahrens 2035fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 2036fa9e4066Sahrens } 2037fa9e4066Sahrens 2038ccae0b50Seschrock /* 2039ccae0b50Seschrock * [addr]::walk zio 2040ccae0b50Seschrock * 2041ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2042ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2043ccae0b50Seschrock * structures to a particular pool. 2044ccae0b50Seschrock */ 2045ccae0b50Seschrock static int 2046ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2047ccae0b50Seschrock { 2048ccae0b50Seschrock wsp->walk_data = (void *)wsp->walk_addr; 2049ccae0b50Seschrock 2050ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2051ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2052ccae0b50Seschrock return (WALK_ERR); 2053ccae0b50Seschrock } 2054ccae0b50Seschrock 2055ccae0b50Seschrock return (WALK_NEXT); 2056ccae0b50Seschrock } 2057ccae0b50Seschrock 2058ccae0b50Seschrock static int 2059ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2060ccae0b50Seschrock { 2061ccae0b50Seschrock zio_t zio; 2062ccae0b50Seschrock 2063ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 2064ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 2065ccae0b50Seschrock return (WALK_ERR); 2066ccae0b50Seschrock } 2067ccae0b50Seschrock 2068ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2069ccae0b50Seschrock return (WALK_NEXT); 2070ccae0b50Seschrock 2071ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2072ccae0b50Seschrock } 2073ccae0b50Seschrock 2074ccae0b50Seschrock /* 2075ccae0b50Seschrock * [addr]::walk zio_root 2076ccae0b50Seschrock * 2077ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2078ccae0b50Seschrock */ 2079ccae0b50Seschrock static int 2080ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2081ccae0b50Seschrock { 2082ccae0b50Seschrock zio_t zio; 2083ccae0b50Seschrock 2084ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 2085ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 2086ccae0b50Seschrock return (WALK_ERR); 2087ccae0b50Seschrock } 2088ccae0b50Seschrock 2089ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2090ccae0b50Seschrock return (WALK_NEXT); 2091ccae0b50Seschrock 2092a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2093a3f829aeSBill Moore if (zio.io_parent_list.list_head.list_next != 2094a3f829aeSBill Moore &((zio_t *)wsp->walk_addr)->io_parent_list.list_head) 2095ccae0b50Seschrock return (WALK_NEXT); 2096ccae0b50Seschrock 2097ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2098ccae0b50Seschrock } 2099ccae0b50Seschrock 210088b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 210188b7b0f2SMatthew Ahrens 210288b7b0f2SMatthew Ahrens static int 2103ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2104ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 210588b7b0f2SMatthew Ahrens { 2106ff64c0f7SMatthew Ahrens int mul = 1; 210788b7b0f2SMatthew Ahrens int whole, frac, i; 210888b7b0f2SMatthew Ahrens 210988b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 211088b7b0f2SMatthew Ahrens mul *= 10; 2111ff64c0f7SMatthew Ahrens whole = numerator / denom; 2112ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 211388b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 211488b7b0f2SMatthew Ahrens } 211588b7b0f2SMatthew Ahrens 211688b7b0f2SMatthew Ahrens static void 211788b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 211888b7b0f2SMatthew Ahrens { 211988b7b0f2SMatthew Ahrens uint64_t n = num; 212088b7b0f2SMatthew Ahrens int index = 0; 212188b7b0f2SMatthew Ahrens char *u; 212288b7b0f2SMatthew Ahrens 212388b7b0f2SMatthew Ahrens while (n >= 1024) { 212488b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 212588b7b0f2SMatthew Ahrens index++; 212688b7b0f2SMatthew Ahrens } 212788b7b0f2SMatthew Ahrens 212888b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 212988b7b0f2SMatthew Ahrens 213088b7b0f2SMatthew Ahrens if (index == 0) { 213188b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 213288b7b0f2SMatthew Ahrens (u_longlong_t)n); 213388b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2134ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2135ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 213688b7b0f2SMatthew Ahrens strcat(buf, u); 213788b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2138ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2139ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 214088b7b0f2SMatthew Ahrens strcat(buf, u); 214188b7b0f2SMatthew Ahrens } else { 214288b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 214388b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 214488b7b0f2SMatthew Ahrens } 214588b7b0f2SMatthew Ahrens } 214688b7b0f2SMatthew Ahrens 214788b7b0f2SMatthew Ahrens /* 214888b7b0f2SMatthew Ahrens * ::zfs_blkstats 214988b7b0f2SMatthew Ahrens * 215088b7b0f2SMatthew Ahrens * -v print verbose per-level information 215188b7b0f2SMatthew Ahrens * 215288b7b0f2SMatthew Ahrens */ 215388b7b0f2SMatthew Ahrens static int 215488b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 215588b7b0f2SMatthew Ahrens { 215688b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 215788b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 215888b7b0f2SMatthew Ahrens dmu_object_type_t t; 215988b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 216088b7b0f2SMatthew Ahrens uint64_t ditto; 216188b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 216288b7b0f2SMatthew Ahrens /* +10 in case it grew */ 216388b7b0f2SMatthew Ahrens 216488b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 216588b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 216688b7b0f2SMatthew Ahrens return (DCMD_ERR); 216788b7b0f2SMatthew Ahrens } 216888b7b0f2SMatthew Ahrens 216988b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 217088b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 217188b7b0f2SMatthew Ahrens NULL) != argc) 217288b7b0f2SMatthew Ahrens return (DCMD_USAGE); 217388b7b0f2SMatthew Ahrens 217488b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 217588b7b0f2SMatthew Ahrens return (DCMD_USAGE); 217688b7b0f2SMatthew Ahrens 217788b7b0f2SMatthew Ahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, addr) || 217888b7b0f2SMatthew Ahrens GETMEMB(addr, struct dsl_pool, dp_blkstats, addr) || 217988b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 218088b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 218188b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 218288b7b0f2SMatthew Ahrens return (DCMD_ERR); 218388b7b0f2SMatthew Ahrens } 218488b7b0f2SMatthew Ahrens 218588b7b0f2SMatthew Ahrens tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_NUMTYPES]; 218688b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 218788b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 218888b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 218988b7b0f2SMatthew Ahrens } 219088b7b0f2SMatthew Ahrens 219188b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 219288b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 219388b7b0f2SMatthew Ahrens if (ditto != 0) { 219488b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 219588b7b0f2SMatthew Ahrens (longlong_t)ditto); 219688b7b0f2SMatthew Ahrens } 219788b7b0f2SMatthew Ahrens 219888b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 219988b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 220088b7b0f2SMatthew Ahrens 220188b7b0f2SMatthew Ahrens for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 220288b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 220388b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 220488b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 220588b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 220688b7b0f2SMatthew Ahrens char typename[64]; 220788b7b0f2SMatthew Ahrens int l; 220888b7b0f2SMatthew Ahrens 220988b7b0f2SMatthew Ahrens 221088b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 221188b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 221288b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 221388b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 221488b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 221588b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 221688b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 221788b7b0f2SMatthew Ahrens return (DCMD_ERR); 221888b7b0f2SMatthew Ahrens } 221988b7b0f2SMatthew Ahrens 222088b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 222188b7b0f2SMatthew Ahrens continue; 222288b7b0f2SMatthew Ahrens 222388b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 222488b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 222588b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 222688b7b0f2SMatthew Ahrens 222788b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 222888b7b0f2SMatthew Ahrens continue; 222988b7b0f2SMatthew Ahrens 223088b7b0f2SMatthew Ahrens /* 223188b7b0f2SMatthew Ahrens * Don't print each level unless requested. 223288b7b0f2SMatthew Ahrens */ 223388b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 223488b7b0f2SMatthew Ahrens continue; 223588b7b0f2SMatthew Ahrens 223688b7b0f2SMatthew Ahrens /* 223788b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 223888b7b0f2SMatthew Ahrens * level 0 separately. 223988b7b0f2SMatthew Ahrens */ 224088b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 224188b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 224288b7b0f2SMatthew Ahrens continue; 224388b7b0f2SMatthew Ahrens 224488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 224588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 224688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 224788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 224888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2249ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2250ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2251ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2252ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 225388b7b0f2SMatthew Ahrens 225488b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 225588b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 225688b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 225788b7b0f2SMatthew Ahrens 225888b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 225988b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 226088b7b0f2SMatthew Ahrens else 226188b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 226288b7b0f2SMatthew Ahrens level, typename); 226388b7b0f2SMatthew Ahrens } 226488b7b0f2SMatthew Ahrens } 226588b7b0f2SMatthew Ahrens 226688b7b0f2SMatthew Ahrens return (DCMD_OK); 226788b7b0f2SMatthew Ahrens } 226888b7b0f2SMatthew Ahrens 22699966ca11SMatthew Ahrens /* ARGSUSED */ 22709966ca11SMatthew Ahrens static int 22719966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 22729966ca11SMatthew Ahrens { 22739966ca11SMatthew Ahrens static int gotid; 22749966ca11SMatthew Ahrens static mdb_ctf_id_t ref_id; 22759966ca11SMatthew Ahrens uintptr_t ref_holder; 22769966ca11SMatthew Ahrens uintptr_t ref_removed; 22779966ca11SMatthew Ahrens uint64_t ref_number; 22783f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 22799966ca11SMatthew Ahrens char holder_str[128]; 22809966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 22819966ca11SMatthew Ahrens 22829966ca11SMatthew Ahrens if (!gotid) { 22839966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct reference", &ref_id) == -1) { 22849966ca11SMatthew Ahrens mdb_warn("couldn't find struct reference"); 22859966ca11SMatthew Ahrens return (WALK_ERR); 22869966ca11SMatthew Ahrens } 22879966ca11SMatthew Ahrens gotid = TRUE; 22889966ca11SMatthew Ahrens } 22899966ca11SMatthew Ahrens 22909966ca11SMatthew Ahrens if (GETMEMBID(addr, &ref_id, ref_holder, ref_holder) || 22919966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_removed, ref_removed) || 22929966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_number, ref_number)) 22939966ca11SMatthew Ahrens return (WALK_ERR); 22949966ca11SMatthew Ahrens 22953f9d6ad7SLin Ling if (mdb_readstr(holder_str, sizeof (holder_str), ref_holder) != -1) 22963f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 22979966ca11SMatthew Ahrens 22989966ca11SMatthew Ahrens if (removed) 22999966ca11SMatthew Ahrens mdb_printf("removed "); 23009966ca11SMatthew Ahrens mdb_printf("reference "); 23019966ca11SMatthew Ahrens if (ref_number != 1) 23029966ca11SMatthew Ahrens mdb_printf("with count=%llu ", ref_number); 23039966ca11SMatthew Ahrens mdb_printf("with tag %p", (void*)ref_holder); 23049966ca11SMatthew Ahrens if (holder_is_str) 23059966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 23069966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 23079966ca11SMatthew Ahrens 23089966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 23099966ca11SMatthew Ahrens 23109966ca11SMatthew Ahrens if (removed) { 23119966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 23129966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref_removed, 23139966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 23149966ca11SMatthew Ahrens } 23159966ca11SMatthew Ahrens 23169966ca11SMatthew Ahrens mdb_printf("\n"); 23179966ca11SMatthew Ahrens 23189966ca11SMatthew Ahrens return (WALK_NEXT); 23199966ca11SMatthew Ahrens } 23209966ca11SMatthew Ahrens 23219966ca11SMatthew Ahrens /* ARGSUSED */ 23229966ca11SMatthew Ahrens static int 23239966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23249966ca11SMatthew Ahrens { 23259966ca11SMatthew Ahrens uint64_t rc_count, rc_removed_count; 23269966ca11SMatthew Ahrens uintptr_t rc_list, rc_removed; 23279966ca11SMatthew Ahrens static int gotid; 23289966ca11SMatthew Ahrens static mdb_ctf_id_t rc_id; 23299966ca11SMatthew Ahrens ulong_t off; 23309966ca11SMatthew Ahrens 23319966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 23329966ca11SMatthew Ahrens return (DCMD_USAGE); 23339966ca11SMatthew Ahrens 23349966ca11SMatthew Ahrens if (!gotid) { 23359966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 23369966ca11SMatthew Ahrens mdb_warn("couldn't find struct refcount"); 23379966ca11SMatthew Ahrens return (DCMD_ERR); 23389966ca11SMatthew Ahrens } 23399966ca11SMatthew Ahrens gotid = TRUE; 23409966ca11SMatthew Ahrens } 23419966ca11SMatthew Ahrens 23429966ca11SMatthew Ahrens if (GETMEMBID(addr, &rc_id, rc_count, rc_count) || 23439966ca11SMatthew Ahrens GETMEMBID(addr, &rc_id, rc_removed_count, rc_removed_count)) 23449966ca11SMatthew Ahrens return (DCMD_ERR); 23459966ca11SMatthew Ahrens 23469966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 23479966ca11SMatthew Ahrens "%llu recently released holds\n", 23489966ca11SMatthew Ahrens addr, (longlong_t)rc_count, (longlong_t)rc_removed_count); 23499966ca11SMatthew Ahrens 23509966ca11SMatthew Ahrens if (rc_count > 0) 23519966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 23529966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_list", &off) == -1) 23539966ca11SMatthew Ahrens return (DCMD_ERR); 23549966ca11SMatthew Ahrens rc_list = addr + off/NBBY; 23559966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, rc_list); 23569966ca11SMatthew Ahrens 23579966ca11SMatthew Ahrens if (rc_removed_count > 0) 23589966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 23599966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_removed", &off) == -1) 23609966ca11SMatthew Ahrens return (DCMD_ERR); 23619966ca11SMatthew Ahrens rc_removed = addr + off/NBBY; 23629966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_TRUE, rc_removed); 23639966ca11SMatthew Ahrens 23649966ca11SMatthew Ahrens return (DCMD_OK); 23659966ca11SMatthew Ahrens } 23669966ca11SMatthew Ahrens 23670a586ceaSMark Shellenbaum /* ARGSUSED */ 23680a586ceaSMark Shellenbaum static int 23690a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23700a586ceaSMark Shellenbaum { 23710a586ceaSMark Shellenbaum sa_attr_table_t *table; 23720a586ceaSMark Shellenbaum sa_os_t sa_os; 23730a586ceaSMark Shellenbaum char *name; 23740a586ceaSMark Shellenbaum int i; 23750a586ceaSMark Shellenbaum 23760a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 23770a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 23780a586ceaSMark Shellenbaum return (DCMD_ERR); 23790a586ceaSMark Shellenbaum } 23800a586ceaSMark Shellenbaum 23810a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 23820a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 23830a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 23840a586ceaSMark Shellenbaum 23850a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 23860a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 23870a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 23880a586ceaSMark Shellenbaum return (DCMD_ERR); 23890a586ceaSMark Shellenbaum } 23900a586ceaSMark Shellenbaum 23910a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 23920a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 23930a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 23940a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 23950a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 23960a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 23970a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 23980a586ceaSMark Shellenbaum } 23990a586ceaSMark Shellenbaum 24000a586ceaSMark Shellenbaum return (DCMD_OK); 24010a586ceaSMark Shellenbaum } 24020a586ceaSMark Shellenbaum 24030a586ceaSMark Shellenbaum static int 24040a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 24050a586ceaSMark Shellenbaum { 24060a586ceaSMark Shellenbaum uintptr_t idx_table; 24070a586ceaSMark Shellenbaum 24080a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_idx_tab, sa_idx_tab, idx_table)) { 24090a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 24100a586ceaSMark Shellenbaum return (-1); 24110a586ceaSMark Shellenbaum } 24120a586ceaSMark Shellenbaum 24130a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 24140a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24150a586ceaSMark Shellenbaum 24160a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 24170a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 24180a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 24190a586ceaSMark Shellenbaum return (-1); 24200a586ceaSMark Shellenbaum } 24210a586ceaSMark Shellenbaum 24220a586ceaSMark Shellenbaum return (DCMD_OK); 24230a586ceaSMark Shellenbaum } 24240a586ceaSMark Shellenbaum 24250a586ceaSMark Shellenbaum /*ARGSUSED*/ 24260a586ceaSMark Shellenbaum static int 24270a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24280a586ceaSMark Shellenbaum { 24290a586ceaSMark Shellenbaum uint32_t *offset_tab; 24300a586ceaSMark Shellenbaum int attr_count; 24310a586ceaSMark Shellenbaum uint64_t attr_id; 24320a586ceaSMark Shellenbaum uintptr_t attr_addr; 24330a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 24340a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 24350a586ceaSMark Shellenbaum uintptr_t os, os_sa; 24360a586ceaSMark Shellenbaum uintptr_t db_data; 24370a586ceaSMark Shellenbaum 24380a586ceaSMark Shellenbaum if (argc != 1) 24390a586ceaSMark Shellenbaum return (DCMD_USAGE); 24400a586ceaSMark Shellenbaum 24410a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 24420a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 24430a586ceaSMark Shellenbaum else 24440a586ceaSMark Shellenbaum return (DCMD_USAGE); 24450a586ceaSMark Shellenbaum 24460a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_handle, sa_bonus_tab, bonus_tab) || 24470a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill_tab, spill_tab) || 24480a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_os, os) || 24490a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_bonus, db_bonus) || 24500a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill, db_spill)) { 24510a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 24520a586ceaSMark Shellenbaum "in sa_handle\n"); 24530a586ceaSMark Shellenbaum return (DCMD_ERR); 24540a586ceaSMark Shellenbaum } 24550a586ceaSMark Shellenbaum 24560a586ceaSMark Shellenbaum if (GETMEMB(os, struct objset, os_sa, os_sa)) { 24570a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 24580a586ceaSMark Shellenbaum return (DCMD_ERR); 24590a586ceaSMark Shellenbaum } 24600a586ceaSMark Shellenbaum 24610a586ceaSMark Shellenbaum if (GETMEMB(os_sa, struct sa_os, sa_num_attrs, attr_count)) { 24620a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 24630a586ceaSMark Shellenbaum return (DCMD_ERR); 24640a586ceaSMark Shellenbaum } 24650a586ceaSMark Shellenbaum 24660a586ceaSMark Shellenbaum if (attr_id > attr_count) { 24670a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 24680a586ceaSMark Shellenbaum return (DCMD_ERR); 24690a586ceaSMark Shellenbaum } 24700a586ceaSMark Shellenbaum 24710a586ceaSMark Shellenbaum if (bonus_tab) { 24720a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 24730a586ceaSMark Shellenbaum attr_count) == -1) { 24740a586ceaSMark Shellenbaum return (DCMD_ERR); 24750a586ceaSMark Shellenbaum } 24760a586ceaSMark Shellenbaum 24770a586ceaSMark Shellenbaum if (GETMEMB(db_bonus, struct dmu_buf, db_data, db_data)) { 24780a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 24790a586ceaSMark Shellenbaum return (DCMD_ERR); 24800a586ceaSMark Shellenbaum } 24810a586ceaSMark Shellenbaum } 24820a586ceaSMark Shellenbaum 24830a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 24840a586ceaSMark Shellenbaum spill_tab == NULL) { 24850a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 24860a586ceaSMark Shellenbaum return (DCMD_ERR); 24870a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 24880a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 24890a586ceaSMark Shellenbaum attr_count) == -1) { 24900a586ceaSMark Shellenbaum return (DCMD_ERR); 24910a586ceaSMark Shellenbaum } 24920a586ceaSMark Shellenbaum if (GETMEMB(db_spill, struct dmu_buf, db_data, db_data)) { 24930a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 24940a586ceaSMark Shellenbaum return (DCMD_ERR); 24950a586ceaSMark Shellenbaum } 24960a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 24970a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 24980a586ceaSMark Shellenbaum return (DCMD_ERR); 24990a586ceaSMark Shellenbaum } 25000a586ceaSMark Shellenbaum } 25010a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 25020a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 25030a586ceaSMark Shellenbaum return (DCMD_OK); 25040a586ceaSMark Shellenbaum } 25050a586ceaSMark Shellenbaum 25060a586ceaSMark Shellenbaum /* ARGSUSED */ 25070a586ceaSMark Shellenbaum static int 25080a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 25090a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 25100a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 25110a586ceaSMark Shellenbaum { 25120a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 25130a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 25140a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 25150a586ceaSMark Shellenbaum 25160a586ceaSMark Shellenbaum if (!verbose) { 25170a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 25180a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 25190a586ceaSMark Shellenbaum return (DCMD_OK); 25200a586ceaSMark Shellenbaum } 25210a586ceaSMark Shellenbaum 25220a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 25230a586ceaSMark Shellenbaum case ACE_OWNER: 25240a586ceaSMark Shellenbaum mdb_printf("owner@:"); 25250a586ceaSMark Shellenbaum break; 25260a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 25270a586ceaSMark Shellenbaum mdb_printf("group@:"); 25280a586ceaSMark Shellenbaum break; 25290a586ceaSMark Shellenbaum case ACE_EVERYONE: 25300a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 25310a586ceaSMark Shellenbaum break; 25320a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 25330a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 25340a586ceaSMark Shellenbaum break; 25350a586ceaSMark Shellenbaum case 0: /* User entry */ 25360a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 25370a586ceaSMark Shellenbaum break; 25380a586ceaSMark Shellenbaum } 25390a586ceaSMark Shellenbaum 25400a586ceaSMark Shellenbaum /* print out permission mask */ 25410a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 25420a586ceaSMark Shellenbaum mdb_printf("r"); 25430a586ceaSMark Shellenbaum else 25440a586ceaSMark Shellenbaum mdb_printf("-"); 25450a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 25460a586ceaSMark Shellenbaum mdb_printf("w"); 25470a586ceaSMark Shellenbaum else 25480a586ceaSMark Shellenbaum mdb_printf("-"); 25490a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 25500a586ceaSMark Shellenbaum mdb_printf("x"); 25510a586ceaSMark Shellenbaum else 25520a586ceaSMark Shellenbaum mdb_printf("-"); 25530a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 25540a586ceaSMark Shellenbaum mdb_printf("p"); 25550a586ceaSMark Shellenbaum else 25560a586ceaSMark Shellenbaum mdb_printf("-"); 25570a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 25580a586ceaSMark Shellenbaum mdb_printf("d"); 25590a586ceaSMark Shellenbaum else 25600a586ceaSMark Shellenbaum mdb_printf("-"); 25610a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 25620a586ceaSMark Shellenbaum mdb_printf("D"); 25630a586ceaSMark Shellenbaum else 25640a586ceaSMark Shellenbaum mdb_printf("-"); 25650a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 25660a586ceaSMark Shellenbaum mdb_printf("a"); 25670a586ceaSMark Shellenbaum else 25680a586ceaSMark Shellenbaum mdb_printf("-"); 25690a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 25700a586ceaSMark Shellenbaum mdb_printf("A"); 25710a586ceaSMark Shellenbaum else 25720a586ceaSMark Shellenbaum mdb_printf("-"); 25730a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 25740a586ceaSMark Shellenbaum mdb_printf("R"); 25750a586ceaSMark Shellenbaum else 25760a586ceaSMark Shellenbaum mdb_printf("-"); 25770a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 25780a586ceaSMark Shellenbaum mdb_printf("W"); 25790a586ceaSMark Shellenbaum else 25800a586ceaSMark Shellenbaum mdb_printf("-"); 25810a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 25820a586ceaSMark Shellenbaum mdb_printf("c"); 25830a586ceaSMark Shellenbaum else 25840a586ceaSMark Shellenbaum mdb_printf("-"); 25850a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 25860a586ceaSMark Shellenbaum mdb_printf("C"); 25870a586ceaSMark Shellenbaum else 25880a586ceaSMark Shellenbaum mdb_printf("-"); 25890a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 25900a586ceaSMark Shellenbaum mdb_printf("o"); 25910a586ceaSMark Shellenbaum else 25920a586ceaSMark Shellenbaum mdb_printf("-"); 25930a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 25940a586ceaSMark Shellenbaum mdb_printf("s"); 25950a586ceaSMark Shellenbaum else 25960a586ceaSMark Shellenbaum mdb_printf("-"); 25970a586ceaSMark Shellenbaum 25980a586ceaSMark Shellenbaum mdb_printf(":"); 25990a586ceaSMark Shellenbaum 26000a586ceaSMark Shellenbaum /* Print out inheritance flags */ 26010a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 26020a586ceaSMark Shellenbaum mdb_printf("f"); 26030a586ceaSMark Shellenbaum else 26040a586ceaSMark Shellenbaum mdb_printf("-"); 26050a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 26060a586ceaSMark Shellenbaum mdb_printf("d"); 26070a586ceaSMark Shellenbaum else 26080a586ceaSMark Shellenbaum mdb_printf("-"); 26090a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 26100a586ceaSMark Shellenbaum mdb_printf("i"); 26110a586ceaSMark Shellenbaum else 26120a586ceaSMark Shellenbaum mdb_printf("-"); 26130a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 26140a586ceaSMark Shellenbaum mdb_printf("n"); 26150a586ceaSMark Shellenbaum else 26160a586ceaSMark Shellenbaum mdb_printf("-"); 26170a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 26180a586ceaSMark Shellenbaum mdb_printf("S"); 26190a586ceaSMark Shellenbaum else 26200a586ceaSMark Shellenbaum mdb_printf("-"); 26210a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 26220a586ceaSMark Shellenbaum mdb_printf("F"); 26230a586ceaSMark Shellenbaum else 26240a586ceaSMark Shellenbaum mdb_printf("-"); 26250a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 26260a586ceaSMark Shellenbaum mdb_printf("I"); 26270a586ceaSMark Shellenbaum else 26280a586ceaSMark Shellenbaum mdb_printf("-"); 26290a586ceaSMark Shellenbaum 26300a586ceaSMark Shellenbaum switch (ace_type) { 26310a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 26320a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 26330a586ceaSMark Shellenbaum break; 26340a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 26350a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 26360a586ceaSMark Shellenbaum break; 26370a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 26380a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 26390a586ceaSMark Shellenbaum break; 26400a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 26410a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 26420a586ceaSMark Shellenbaum break; 26430a586ceaSMark Shellenbaum default: 26440a586ceaSMark Shellenbaum mdb_printf(":?\n"); 26450a586ceaSMark Shellenbaum } 26460a586ceaSMark Shellenbaum return (DCMD_OK); 26470a586ceaSMark Shellenbaum } 26480a586ceaSMark Shellenbaum 26490a586ceaSMark Shellenbaum /* ARGSUSED */ 26500a586ceaSMark Shellenbaum static int 26510a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26520a586ceaSMark Shellenbaum { 26530a586ceaSMark Shellenbaum zfs_ace_t zace; 26540a586ceaSMark Shellenbaum int verbose = FALSE; 26550a586ceaSMark Shellenbaum uint64_t id; 26560a586ceaSMark Shellenbaum 26570a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 26580a586ceaSMark Shellenbaum return (DCMD_USAGE); 26590a586ceaSMark Shellenbaum 26600a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 26610a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 26620a586ceaSMark Shellenbaum return (DCMD_USAGE); 26630a586ceaSMark Shellenbaum 26640a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 26650a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 26660a586ceaSMark Shellenbaum return (DCMD_ERR); 26670a586ceaSMark Shellenbaum } 26680a586ceaSMark Shellenbaum 26690a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 26700a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 26710a586ceaSMark Shellenbaum id = zace.z_fuid; 26720a586ceaSMark Shellenbaum else 26730a586ceaSMark Shellenbaum id = -1; 26740a586ceaSMark Shellenbaum 26750a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 26760a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 26770a586ceaSMark Shellenbaum } 26780a586ceaSMark Shellenbaum 26790a586ceaSMark Shellenbaum /* ARGSUSED */ 26800a586ceaSMark Shellenbaum static int 26810a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26820a586ceaSMark Shellenbaum { 26830a586ceaSMark Shellenbaum ace_t ace; 26840a586ceaSMark Shellenbaum uint64_t id; 26850a586ceaSMark Shellenbaum int verbose = FALSE; 26860a586ceaSMark Shellenbaum 26870a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 26880a586ceaSMark Shellenbaum return (DCMD_USAGE); 26890a586ceaSMark Shellenbaum 26900a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 26910a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 26920a586ceaSMark Shellenbaum return (DCMD_USAGE); 26930a586ceaSMark Shellenbaum 26940a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 26950a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 26960a586ceaSMark Shellenbaum return (DCMD_ERR); 26970a586ceaSMark Shellenbaum } 26980a586ceaSMark Shellenbaum 26990a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 27000a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27010a586ceaSMark Shellenbaum id = ace.a_who; 27020a586ceaSMark Shellenbaum else 27030a586ceaSMark Shellenbaum id = -1; 27040a586ceaSMark Shellenbaum 27050a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 27060a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 27070a586ceaSMark Shellenbaum } 27080a586ceaSMark Shellenbaum 27090a586ceaSMark Shellenbaum typedef struct acl_dump_args { 27100a586ceaSMark Shellenbaum int a_argc; 27110a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 27120a586ceaSMark Shellenbaum uint16_t a_version; 27130a586ceaSMark Shellenbaum int a_flags; 27140a586ceaSMark Shellenbaum } acl_dump_args_t; 27150a586ceaSMark Shellenbaum 27160a586ceaSMark Shellenbaum /* ARGSUSED */ 27170a586ceaSMark Shellenbaum static int 27180a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 27190a586ceaSMark Shellenbaum { 27200a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27210a586ceaSMark Shellenbaum 27220a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27230a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 27240a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27250a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27260a586ceaSMark Shellenbaum return (WALK_ERR); 27270a586ceaSMark Shellenbaum } 27280a586ceaSMark Shellenbaum } else { 27290a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 27300a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27310a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27320a586ceaSMark Shellenbaum return (WALK_ERR); 27330a586ceaSMark Shellenbaum } 27340a586ceaSMark Shellenbaum } 27350a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 27360a586ceaSMark Shellenbaum return (WALK_NEXT); 27370a586ceaSMark Shellenbaum } 27380a586ceaSMark Shellenbaum 27390a586ceaSMark Shellenbaum /* ARGSUSED */ 27400a586ceaSMark Shellenbaum static int 27410a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 27420a586ceaSMark Shellenbaum { 27430a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27440a586ceaSMark Shellenbaum 27450a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27460a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 27470a586ceaSMark Shellenbaum arg, addr) != 0) { 27480a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27490a586ceaSMark Shellenbaum return (DCMD_ERR); 27500a586ceaSMark Shellenbaum } 27510a586ceaSMark Shellenbaum } else { 27520a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 27530a586ceaSMark Shellenbaum arg, addr) != 0) { 27540a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27550a586ceaSMark Shellenbaum return (DCMD_ERR); 27560a586ceaSMark Shellenbaum } 27570a586ceaSMark Shellenbaum } 27580a586ceaSMark Shellenbaum return (WALK_NEXT); 27590a586ceaSMark Shellenbaum } 27600a586ceaSMark Shellenbaum 27610a586ceaSMark Shellenbaum /* ARGSUSED */ 27620a586ceaSMark Shellenbaum static int 27630a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27640a586ceaSMark Shellenbaum { 27650a586ceaSMark Shellenbaum zfs_acl_t zacl; 27660a586ceaSMark Shellenbaum int verbose = FALSE; 27670a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 27680a586ceaSMark Shellenbaum 27690a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27700a586ceaSMark Shellenbaum return (DCMD_USAGE); 27710a586ceaSMark Shellenbaum 27720a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27730a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27740a586ceaSMark Shellenbaum return (DCMD_USAGE); 27750a586ceaSMark Shellenbaum 27760a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 27770a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 27780a586ceaSMark Shellenbaum return (DCMD_ERR); 27790a586ceaSMark Shellenbaum } 27800a586ceaSMark Shellenbaum 27810a586ceaSMark Shellenbaum acl_args.a_argc = argc; 27820a586ceaSMark Shellenbaum acl_args.a_argv = argv; 27830a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 27840a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 27850a586ceaSMark Shellenbaum 27860a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 27870a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 27880a586ceaSMark Shellenbaum return (DCMD_ERR); 27890a586ceaSMark Shellenbaum } 27900a586ceaSMark Shellenbaum 27910a586ceaSMark Shellenbaum return (DCMD_OK); 27920a586ceaSMark Shellenbaum } 27930a586ceaSMark Shellenbaum 27940a586ceaSMark Shellenbaum /* ARGSUSED */ 27950a586ceaSMark Shellenbaum static int 27960a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 27970a586ceaSMark Shellenbaum { 27980a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 27990a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28000a586ceaSMark Shellenbaum return (WALK_ERR); 28010a586ceaSMark Shellenbaum } 28020a586ceaSMark Shellenbaum 28030a586ceaSMark Shellenbaum wsp->walk_addr += OFFSETOF(zfs_acl_t, z_acl); 28040a586ceaSMark Shellenbaum 28050a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 28060a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 28070a586ceaSMark Shellenbaum return (WALK_ERR); 28080a586ceaSMark Shellenbaum } 28090a586ceaSMark Shellenbaum 28100a586ceaSMark Shellenbaum return (WALK_NEXT); 28110a586ceaSMark Shellenbaum } 28120a586ceaSMark Shellenbaum 28130a586ceaSMark Shellenbaum static int 28140a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 28150a586ceaSMark Shellenbaum { 28160a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 28170a586ceaSMark Shellenbaum 28180a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 28190a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 28200a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 28210a586ceaSMark Shellenbaum return (WALK_ERR); 28220a586ceaSMark Shellenbaum } 28230a586ceaSMark Shellenbaum 28240a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 28250a586ceaSMark Shellenbaum } 28260a586ceaSMark Shellenbaum 28270a586ceaSMark Shellenbaum typedef struct ace_walk_data { 28280a586ceaSMark Shellenbaum int ace_count; 28290a586ceaSMark Shellenbaum int ace_version; 28300a586ceaSMark Shellenbaum } ace_walk_data_t; 28310a586ceaSMark Shellenbaum 28320a586ceaSMark Shellenbaum static int 28330a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 28340a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 28350a586ceaSMark Shellenbaum { 28360a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 28370a586ceaSMark Shellenbaum 28380a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28390a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28400a586ceaSMark Shellenbaum return (WALK_ERR); 28410a586ceaSMark Shellenbaum } 28420a586ceaSMark Shellenbaum 28430a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 28440a586ceaSMark Shellenbaum 28450a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 28460a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 28470a586ceaSMark Shellenbaum 28480a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 28490a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 28500a586ceaSMark Shellenbaum 28510a586ceaSMark Shellenbaum return (WALK_NEXT); 28520a586ceaSMark Shellenbaum } 28530a586ceaSMark Shellenbaum 28540a586ceaSMark Shellenbaum static int 28550a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 28560a586ceaSMark Shellenbaum { 28570a586ceaSMark Shellenbaum static int gotid; 28580a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 28590a586ceaSMark Shellenbaum int z_ace_count; 28600a586ceaSMark Shellenbaum uintptr_t z_acldata; 28610a586ceaSMark Shellenbaum 28620a586ceaSMark Shellenbaum if (!gotid) { 28630a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 28640a586ceaSMark Shellenbaum &acl_id) == -1) { 28650a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 28660a586ceaSMark Shellenbaum return (DCMD_ERR); 28670a586ceaSMark Shellenbaum } 28680a586ceaSMark Shellenbaum gotid = TRUE; 28690a586ceaSMark Shellenbaum } 28700a586ceaSMark Shellenbaum 28710a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 28720a586ceaSMark Shellenbaum return (DCMD_ERR); 28730a586ceaSMark Shellenbaum } 28740a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 28750a586ceaSMark Shellenbaum return (DCMD_ERR); 28760a586ceaSMark Shellenbaum } 28770a586ceaSMark Shellenbaum 28780a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 28790a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 28800a586ceaSMark Shellenbaum } 28810a586ceaSMark Shellenbaum 28820a586ceaSMark Shellenbaum /* ARGSUSED */ 28830a586ceaSMark Shellenbaum static int 28840a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 28850a586ceaSMark Shellenbaum { 28860a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 28870a586ceaSMark Shellenbaum } 28880a586ceaSMark Shellenbaum 28890a586ceaSMark Shellenbaum /* ARGSUSED */ 28900a586ceaSMark Shellenbaum static int 28910a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 28920a586ceaSMark Shellenbaum { 28930a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 28940a586ceaSMark Shellenbaum } 28950a586ceaSMark Shellenbaum 28960a586ceaSMark Shellenbaum static int 28970a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 28980a586ceaSMark Shellenbaum { 28990a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 29000a586ceaSMark Shellenbaum zfs_ace_t zace; 29010a586ceaSMark Shellenbaum ace_t *acep; 29020a586ceaSMark Shellenbaum int status; 29030a586ceaSMark Shellenbaum int entry_type; 29040a586ceaSMark Shellenbaum int allow_type; 29050a586ceaSMark Shellenbaum uintptr_t ptr; 29060a586ceaSMark Shellenbaum 29070a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 29080a586ceaSMark Shellenbaum return (WALK_DONE); 29090a586ceaSMark Shellenbaum 29100a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 29110a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 29120a586ceaSMark Shellenbaum wsp->walk_addr); 29130a586ceaSMark Shellenbaum return (WALK_ERR); 29140a586ceaSMark Shellenbaum } 29150a586ceaSMark Shellenbaum 29160a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 29170a586ceaSMark Shellenbaum case 0: 29180a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 29190a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 29200a586ceaSMark Shellenbaum allow_type = acep->a_type; 29210a586ceaSMark Shellenbaum break; 29220a586ceaSMark Shellenbaum case 1: 29230a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 29240a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 29250a586ceaSMark Shellenbaum break; 29260a586ceaSMark Shellenbaum default: 29270a586ceaSMark Shellenbaum return (WALK_ERR); 29280a586ceaSMark Shellenbaum } 29290a586ceaSMark Shellenbaum 29300a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 29310a586ceaSMark Shellenbaum switch (entry_type) { 29320a586ceaSMark Shellenbaum case ACE_OWNER: 29330a586ceaSMark Shellenbaum case ACE_EVERYONE: 29340a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 29350a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29360a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 29370a586ceaSMark Shellenbaum break; 29380a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 29390a586ceaSMark Shellenbaum default: 29400a586ceaSMark Shellenbaum switch (allow_type) { 29410a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 29420a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 29430a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 29440a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 29450a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29460a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 29470a586ceaSMark Shellenbaum break; 29480a586ceaSMark Shellenbaum default: 29490a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29500a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 29510a586ceaSMark Shellenbaum break; 29520a586ceaSMark Shellenbaum } 29530a586ceaSMark Shellenbaum } 29540a586ceaSMark Shellenbaum 29550a586ceaSMark Shellenbaum ace_data->ace_count--; 29560a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 29570a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 29580a586ceaSMark Shellenbaum 29590a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 29600a586ceaSMark Shellenbaum return (status); 29610a586ceaSMark Shellenbaum } 29620a586ceaSMark Shellenbaum 2963fa9e4066Sahrens /* 2964fa9e4066Sahrens * MDB module linkage information: 2965fa9e4066Sahrens * 2966fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 2967fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 2968fa9e4066Sahrens */ 2969fa9e4066Sahrens 2970fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 297191ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 2972fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 2973fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 2974fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 2975fa9e4066Sahrens { "dbufs", 29764223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 2977a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 2978a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 2979a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 2980fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 2981a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 2982a3f829aeSBill Moore abuf_find }, 2983fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 2984fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 2985fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 2986fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 2987fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 298891ebeef5Sahrens { "vdev", ":[-re]\n" 2989a3f829aeSBill Moore "\t-r display recursively\n" 2990a3f829aeSBill Moore "\t-e print statistics", 2991a3f829aeSBill Moore "vdev_t summary", vdev_print }, 2992a3f829aeSBill Moore { "zio", ":[cpr]\n" 2993a3f829aeSBill Moore "\t-c display children\n" 2994a3f829aeSBill Moore "\t-p display parents\n" 2995a3f829aeSBill Moore "\t-r display recursively", 2996a3f829aeSBill Moore "zio_t summary", zio_print }, 2997ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 2998ccae0b50Seschrock "for a particular pool", zio_state }, 299988b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 300088b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 300188b7b0f2SMatthew Ahrens zfs_blkstats }, 3002614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 30039966ca11SMatthew Ahrens { "refcount", "", "print refcount_t holders", refcount }, 30043f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 30050a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 30060a586ceaSMark Shellenbaum zfs_acl_dump }, 30070a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 30080a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 30090a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 30100a586ceaSMark Shellenbaum sa_attr_table}, 30110a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 30120a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 30133f9d6ad7SLin Ling { "zfs_dbgmsg", ":[-v]", 30143f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 3015fa9e4066Sahrens { NULL } 3016fa9e4066Sahrens }; 3017fa9e4066Sahrens 3018fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3019fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 30205f5f7a6fSahrens freelist_walk_init, freelist_walk_step, NULL }, 3021fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 30225f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3023fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 30245f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3025fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 30265f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3027fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 30285f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3029fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 30305f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3031ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 3032ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 3033ccae0b50Seschrock { "zio_root", "walk all root zio_t structures, optionally for a " 3034ccae0b50Seschrock "particular spa_t", 3035ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 3036fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 3037fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 30385f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 30395f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 30400a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 30410a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 30420a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 30430a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 30440a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 30450a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 30460a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3047fa9e4066Sahrens { NULL } 3048fa9e4066Sahrens }; 3049fa9e4066Sahrens 3050fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3051fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3052fa9e4066Sahrens }; 3053fa9e4066Sahrens 3054fa9e4066Sahrens const mdb_modinfo_t * 3055fa9e4066Sahrens _mdb_init(void) 3056fa9e4066Sahrens { 3057fa9e4066Sahrens return (&modinfo); 3058fa9e4066Sahrens } 3059