1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2255da60b9SMark J Musante * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23beb56283SShampavman * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24*28e4da25SMatthew Ahrens * Copyright (c) 2013 by Delphix. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 2755da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2855da60b9SMark J Musante 29fa9e4066Sahrens #include <mdb/mdb_ctf.h> 30fa9e4066Sahrens #include <sys/zfs_context.h> 31fa9e4066Sahrens #include <sys/mdb_modapi.h> 32fa9e4066Sahrens #include <sys/dbuf.h> 33fa9e4066Sahrens #include <sys/dmu_objset.h> 34fa9e4066Sahrens #include <sys/dsl_dir.h> 35fa9e4066Sahrens #include <sys/dsl_pool.h> 36fa9e4066Sahrens #include <sys/metaslab_impl.h> 37fa9e4066Sahrens #include <sys/space_map.h> 38fa9e4066Sahrens #include <sys/list.h> 39fa9e4066Sahrens #include <sys/spa_impl.h> 40fa9e4066Sahrens #include <sys/vdev_impl.h> 413f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 423f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 439966ca11SMatthew Ahrens #include <ctype.h> 440a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 450a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 46fa9e4066Sahrens 47fa9e4066Sahrens #ifdef _KERNEL 48fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 49fa9e4066Sahrens #else 50fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 51fa9e4066Sahrens #endif 52fa9e4066Sahrens 53*28e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 54*28e4da25SMatthew Ahrens 55feef89cfSVictor Latushkin #ifndef _KERNEL 56feef89cfSVictor Latushkin int aok; 57feef89cfSVictor Latushkin #endif 58feef89cfSVictor Latushkin 59fa9e4066Sahrens static int 60fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 61fa9e4066Sahrens const char *member, int len, void *buf) 62fa9e4066Sahrens { 63fa9e4066Sahrens mdb_ctf_id_t id; 64fa9e4066Sahrens ulong_t off; 65fa9e4066Sahrens char name[64]; 66fa9e4066Sahrens 67fa9e4066Sahrens if (idp == NULL) { 68fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 69fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 70fa9e4066Sahrens return (DCMD_ERR); 71fa9e4066Sahrens } 72fa9e4066Sahrens idp = &id; 73fa9e4066Sahrens } else { 74fa9e4066Sahrens type = name; 75fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 76fa9e4066Sahrens } 77fa9e4066Sahrens 78fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 79fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 80fa9e4066Sahrens return (DCMD_ERR); 81fa9e4066Sahrens } 82fa9e4066Sahrens if (off % 8 != 0) { 83fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 84fa9e4066Sahrens member, type); 85fa9e4066Sahrens return (DCMD_ERR); 86fa9e4066Sahrens } 87fa9e4066Sahrens off /= 8; 88fa9e4066Sahrens 89fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 90fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 91fa9e4066Sahrens member, type, addr + off); 92fa9e4066Sahrens return (DCMD_ERR); 93fa9e4066Sahrens } 94fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 95fa9e4066Sahrens 96fa9e4066Sahrens return (0); 97fa9e4066Sahrens } 98fa9e4066Sahrens 99*28e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 100*28e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 101*28e4da25SMatthew Ahrens sizeof (dest), &(dest)) 102fa9e4066Sahrens 103fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 104fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 105fa9e4066Sahrens 1063f9d6ad7SLin Ling static boolean_t 1073f9d6ad7SLin Ling strisprint(const char *cp) 1083f9d6ad7SLin Ling { 1093f9d6ad7SLin Ling for (; *cp; cp++) { 1103f9d6ad7SLin Ling if (!isprint(*cp)) 1113f9d6ad7SLin Ling return (B_FALSE); 1123f9d6ad7SLin Ling } 1133f9d6ad7SLin Ling return (B_TRUE); 1143f9d6ad7SLin Ling } 1153f9d6ad7SLin Ling 116fa9e4066Sahrens static int verbose; 117fa9e4066Sahrens 118fa9e4066Sahrens static int 119fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 120fa9e4066Sahrens { 121fa9e4066Sahrens if (wsp->walk_addr == NULL) { 122fa9e4066Sahrens mdb_warn("must supply starting address\n"); 123fa9e4066Sahrens return (WALK_ERR); 124fa9e4066Sahrens } 125fa9e4066Sahrens 126fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 127fa9e4066Sahrens return (WALK_NEXT); 128fa9e4066Sahrens } 129fa9e4066Sahrens 130fa9e4066Sahrens static int 131fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 132fa9e4066Sahrens { 133fa9e4066Sahrens uint64_t entry; 134fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1358053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1368053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 137fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 138fa9e4066Sahrens 139fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 140fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 141fa9e4066Sahrens return (WALK_DONE); 142fa9e4066Sahrens } 143fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 144fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 145fa9e4066Sahrens 146fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 147fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 148fa9e4066Sahrens number, 149fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 150fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 151fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 152fa9e4066Sahrens } else { 153fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 154fa9e4066Sahrens "size=%06llx", number, 155fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 156fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 157fa9e4066Sahrens mapshift, 158fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 159fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 160fa9e4066Sahrens if (verbose) 161fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 162fa9e4066Sahrens mdb_printf("\n"); 163fa9e4066Sahrens } 164fa9e4066Sahrens return (WALK_NEXT); 165fa9e4066Sahrens } 166fa9e4066Sahrens 167fa9e4066Sahrens static int 168*28e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 169fa9e4066Sahrens { 170fa9e4066Sahrens static int gotid; 171fa9e4066Sahrens static mdb_ctf_id_t dd_id; 172fa9e4066Sahrens uintptr_t dd_parent; 173fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 174fa9e4066Sahrens 175fa9e4066Sahrens if (!gotid) { 176*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 177fa9e4066Sahrens &dd_id) == -1) { 178fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 179fa9e4066Sahrens return (DCMD_ERR); 180fa9e4066Sahrens } 181fa9e4066Sahrens gotid = TRUE; 182fa9e4066Sahrens } 183fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 184fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 185fa9e4066Sahrens return (DCMD_ERR); 186fa9e4066Sahrens } 187fa9e4066Sahrens 188fa9e4066Sahrens if (dd_parent) { 189*28e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 190fa9e4066Sahrens return (DCMD_ERR); 191fa9e4066Sahrens strcat(buf, "/"); 192fa9e4066Sahrens } 193fa9e4066Sahrens 194fa9e4066Sahrens if (dd_myname[0]) 195fa9e4066Sahrens strcat(buf, dd_myname); 196fa9e4066Sahrens else 197fa9e4066Sahrens strcat(buf, "???"); 198fa9e4066Sahrens 199fa9e4066Sahrens return (0); 200fa9e4066Sahrens } 201fa9e4066Sahrens 202fa9e4066Sahrens static int 203fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 204fa9e4066Sahrens { 205fa9e4066Sahrens static int gotid; 2064223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 207fa9e4066Sahrens uintptr_t os_dsl_dataset; 208fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 209fa9e4066Sahrens uintptr_t ds_dir; 210fa9e4066Sahrens 211fa9e4066Sahrens buf[0] = '\0'; 212fa9e4066Sahrens 213fa9e4066Sahrens if (!gotid) { 214*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2154223fc7cSMark Shellenbaum &os_id) == -1) { 2164223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 217fa9e4066Sahrens return (DCMD_ERR); 218fa9e4066Sahrens } 219*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 220fa9e4066Sahrens &ds_id) == -1) { 221fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 222fa9e4066Sahrens return (DCMD_ERR); 223fa9e4066Sahrens } 224fa9e4066Sahrens 225fa9e4066Sahrens gotid = TRUE; 226fa9e4066Sahrens } 227fa9e4066Sahrens 2284223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 229fa9e4066Sahrens return (DCMD_ERR); 230fa9e4066Sahrens 231fa9e4066Sahrens if (os_dsl_dataset == 0) { 232fa9e4066Sahrens strcat(buf, "mos"); 233fa9e4066Sahrens return (0); 234fa9e4066Sahrens } 235fa9e4066Sahrens 236fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 237fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 238fa9e4066Sahrens return (DCMD_ERR); 239fa9e4066Sahrens } 240fa9e4066Sahrens 241*28e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 242fa9e4066Sahrens return (DCMD_ERR); 243fa9e4066Sahrens 244fa9e4066Sahrens if (ds_snapname[0]) { 245fa9e4066Sahrens strcat(buf, "@"); 246fa9e4066Sahrens strcat(buf, ds_snapname); 247fa9e4066Sahrens } 248fa9e4066Sahrens return (0); 249fa9e4066Sahrens } 250fa9e4066Sahrens 251fa9e4066Sahrens static void 252fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 253fa9e4066Sahrens const char *prefix) 254fa9e4066Sahrens { 255fa9e4066Sahrens const char *cp; 256fa9e4066Sahrens size_t len = strlen(prefix); 257fa9e4066Sahrens 258fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 259fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 260fa9e4066Sahrens cp += len; 261fa9e4066Sahrens (void) strncpy(out, cp, size); 262fa9e4066Sahrens } else { 263fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 264fa9e4066Sahrens } 265fa9e4066Sahrens } 266fa9e4066Sahrens 267614409b5Sahrens /* ARGSUSED */ 268614409b5Sahrens static int 269614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 270614409b5Sahrens { 271614409b5Sahrens /* 272614409b5Sahrens * This table can be approximately generated by running: 273614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 274614409b5Sahrens */ 275614409b5Sahrens static const char *params[] = { 276614409b5Sahrens "arc_reduce_dnlc_percent", 277614409b5Sahrens "zfs_arc_max", 278614409b5Sahrens "zfs_arc_min", 27949e3519aSmaybee "arc_shrink_shift", 280614409b5Sahrens "zfs_mdcomp_disable", 281614409b5Sahrens "zfs_prefetch_disable", 282614409b5Sahrens "zfetch_max_streams", 283614409b5Sahrens "zfetch_min_sec_reap", 284614409b5Sahrens "zfetch_block_cap", 285614409b5Sahrens "zfetch_array_rd_sz", 286614409b5Sahrens "zfs_default_bs", 287614409b5Sahrens "zfs_default_ibs", 288614409b5Sahrens "metaslab_aliquot", 289614409b5Sahrens "reference_tracking_enable", 290614409b5Sahrens "reference_history", 291614409b5Sahrens "spa_max_replication_override", 292b24ab676SJeff Bonwick "spa_mode_global", 293614409b5Sahrens "zfs_flags", 294beb56283SShampavman "zfs_txg_synctime_ms", 2951ab7f2deSmaybee "zfs_txg_timeout", 2961ab7f2deSmaybee "zfs_write_limit_min", 2971ab7f2deSmaybee "zfs_write_limit_max", 2981ab7f2deSmaybee "zfs_write_limit_shift", 2991ab7f2deSmaybee "zfs_write_limit_override", 3001ab7f2deSmaybee "zfs_no_write_throttle", 301614409b5Sahrens "zfs_vdev_cache_max", 302614409b5Sahrens "zfs_vdev_cache_size", 303614409b5Sahrens "zfs_vdev_cache_bshift", 304614409b5Sahrens "vdev_mirror_shift", 305614409b5Sahrens "zfs_vdev_max_pending", 306614409b5Sahrens "zfs_vdev_min_pending", 307614409b5Sahrens "zfs_scrub_limit", 308b16da2e2SGeorge Wilson "zfs_no_scrub_io", 309b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 310614409b5Sahrens "zfs_vdev_time_shift", 311614409b5Sahrens "zfs_vdev_ramp_rate", 312614409b5Sahrens "zfs_vdev_aggregation_limit", 313614409b5Sahrens "fzap_default_block_shift", 314614409b5Sahrens "zfs_immediate_write_sz", 315614409b5Sahrens "zfs_read_chunk_size", 316614409b5Sahrens "zfs_nocacheflush", 31755da60b9SMark J Musante "zil_replay_disable", 3181ab7f2deSmaybee "metaslab_gang_bang", 319d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 320d6e555bdSGeorge Wilson "metaslab_df_free_pct", 321614409b5Sahrens "zio_injection_enabled", 322614409b5Sahrens "zvol_immediate_write_sz", 323614409b5Sahrens }; 324614409b5Sahrens 325b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 326614409b5Sahrens int sz; 327614409b5Sahrens uint64_t val64; 328614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 329614409b5Sahrens 330614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 331614409b5Sahrens if (sz == 4) { 332614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 333614409b5Sahrens } else if (sz == 8) { 334614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 335614409b5Sahrens } else { 336614409b5Sahrens mdb_warn("variable %s not found", params[i]); 337614409b5Sahrens } 338614409b5Sahrens } 339614409b5Sahrens 340614409b5Sahrens return (DCMD_OK); 341614409b5Sahrens } 342614409b5Sahrens 343fa9e4066Sahrens /* ARGSUSED */ 344fa9e4066Sahrens static int 345fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 346fa9e4066Sahrens { 347b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 348b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 349b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 350b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 351fa9e4066Sahrens 352b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 353fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 354fa9e4066Sahrens return (DCMD_ERR); 355fa9e4066Sahrens } 356fa9e4066Sahrens 357b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 358b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 359b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 360b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 361fa9e4066Sahrens return (DCMD_ERR); 362fa9e4066Sahrens } 363fa9e4066Sahrens 364b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 365b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 366b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 367b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 368b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 369b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 370fa9e4066Sahrens 371b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 372fa9e4066Sahrens 373b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 374fa9e4066Sahrens 375fa9e4066Sahrens return (DCMD_OK); 376fa9e4066Sahrens } 377fa9e4066Sahrens 378*28e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 379*28e4da25SMatthew Ahrens struct { 380*28e4da25SMatthew Ahrens uint64_t db_object; 381*28e4da25SMatthew Ahrens } db; 382*28e4da25SMatthew Ahrens void *db_objset; 383*28e4da25SMatthew Ahrens uint64_t db_level; 384*28e4da25SMatthew Ahrens uint64_t db_blkid; 385*28e4da25SMatthew Ahrens struct { 386*28e4da25SMatthew Ahrens uint64_t rc_count; 387*28e4da25SMatthew Ahrens } db_holds; 388*28e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 389*28e4da25SMatthew Ahrens 390fa9e4066Sahrens /* ARGSUSED */ 391fa9e4066Sahrens static int 392fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 393fa9e4066Sahrens { 394*28e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 395fa9e4066Sahrens char objectname[32]; 396fa9e4066Sahrens char blkidname[32]; 397fa9e4066Sahrens char path[MAXNAMELEN]; 398fa9e4066Sahrens 399*28e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 400fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 401fa9e4066Sahrens 402*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 403*28e4da25SMatthew Ahrens addr, 0) == -1) 404fa9e4066Sahrens return (DCMD_ERR); 405fa9e4066Sahrens 406*28e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 407fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 408fa9e4066Sahrens else 409fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 410*28e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 411fa9e4066Sahrens 412*28e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 413fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 414fa9e4066Sahrens else 415fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 416*28e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 417fa9e4066Sahrens 418*28e4da25SMatthew Ahrens if (objset_name((uintptr_t)db.db_objset, path)) { 419*28e4da25SMatthew Ahrens return (DCMD_ERR); 420fa9e4066Sahrens } 421fa9e4066Sahrens 422*28e4da25SMatthew Ahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", addr, 423*28e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 424*28e4da25SMatthew Ahrens db.db_holds.rc_count, path); 425fa9e4066Sahrens 426fa9e4066Sahrens return (DCMD_OK); 427fa9e4066Sahrens } 428fa9e4066Sahrens 429fa9e4066Sahrens /* ARGSUSED */ 430fa9e4066Sahrens static int 431fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 432fa9e4066Sahrens { 433fa9e4066Sahrens #define HISTOSZ 32 434fa9e4066Sahrens uintptr_t dbp; 435fa9e4066Sahrens dmu_buf_impl_t db; 436fa9e4066Sahrens dbuf_hash_table_t ht; 437fa9e4066Sahrens uint64_t bucket, ndbufs; 438fa9e4066Sahrens uint64_t histo[HISTOSZ]; 439fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 440fa9e4066Sahrens int i, maxidx; 441fa9e4066Sahrens 442fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 443fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 444fa9e4066Sahrens return (DCMD_ERR); 445fa9e4066Sahrens } 446fa9e4066Sahrens 447fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 448fa9e4066Sahrens histo[i] = 0; 449fa9e4066Sahrens histo2[i] = 0; 450fa9e4066Sahrens } 451fa9e4066Sahrens 452fa9e4066Sahrens ndbufs = 0; 453fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 454fa9e4066Sahrens int len; 455fa9e4066Sahrens 456fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 457fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 458fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 459fa9e4066Sahrens bucket, ht.hash_table+bucket); 460fa9e4066Sahrens return (DCMD_ERR); 461fa9e4066Sahrens } 462fa9e4066Sahrens 463fa9e4066Sahrens len = 0; 464fa9e4066Sahrens while (dbp != 0) { 465fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 466fa9e4066Sahrens dbp) == -1) { 467fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 468fa9e4066Sahrens return (DCMD_ERR); 469fa9e4066Sahrens } 470fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 471fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 472fa9e4066Sahrens histo2[i]++; 473fa9e4066Sahrens len++; 474fa9e4066Sahrens ndbufs++; 475fa9e4066Sahrens } 476fa9e4066Sahrens 477fa9e4066Sahrens if (len >= HISTOSZ) 478fa9e4066Sahrens len = HISTOSZ-1; 479fa9e4066Sahrens histo[len]++; 480fa9e4066Sahrens } 481fa9e4066Sahrens 482fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 483fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 484fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 485fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 486fa9e4066Sahrens 487fa9e4066Sahrens mdb_printf("\n"); 488fa9e4066Sahrens maxidx = 0; 489fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 490fa9e4066Sahrens if (histo[i] > 0) 491fa9e4066Sahrens maxidx = i; 492fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 493fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 494fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 495fa9e4066Sahrens 496fa9e4066Sahrens mdb_printf("\n"); 497fa9e4066Sahrens maxidx = 0; 498fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 499fa9e4066Sahrens if (histo2[i] > 0) 500fa9e4066Sahrens maxidx = i; 501fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 502fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 503fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 504fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 505fa9e4066Sahrens 506fa9e4066Sahrens 507fa9e4066Sahrens return (DCMD_OK); 508fa9e4066Sahrens } 509fa9e4066Sahrens 5103f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5113f1f8012SMatthew Ahrens /* 5123f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5133f1f8012SMatthew Ahrens * 5143f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5153f1f8012SMatthew Ahrens */ 5163f1f8012SMatthew Ahrens /* ARGSUSED */ 5173f1f8012SMatthew Ahrens static int 5183f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5193f1f8012SMatthew Ahrens { 5203f1f8012SMatthew Ahrens char buf[16*1024]; 5213f1f8012SMatthew Ahrens int verbose = B_FALSE; 5223f1f8012SMatthew Ahrens int four = B_FALSE; 5233f1f8012SMatthew Ahrens zap_leaf_t l; 5243f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5253f1f8012SMatthew Ahrens int i; 5263f1f8012SMatthew Ahrens 5273f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5283f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5293f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5303f1f8012SMatthew Ahrens NULL) != argc) 5313f1f8012SMatthew Ahrens return (DCMD_USAGE); 5323f1f8012SMatthew Ahrens 5333f1f8012SMatthew Ahrens l.l_phys = zlp; 5343f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5353f1f8012SMatthew Ahrens if (four) 5363f1f8012SMatthew Ahrens l.l_bs = 12; 5373f1f8012SMatthew Ahrens 5383f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5393f1f8012SMatthew Ahrens return (DCMD_USAGE); 5403f1f8012SMatthew Ahrens } 5413f1f8012SMatthew Ahrens 5423f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5433f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5443f1f8012SMatthew Ahrens return (DCMD_ERR); 5453f1f8012SMatthew Ahrens } 5463f1f8012SMatthew Ahrens 5473f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5483f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5493f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5503f1f8012SMatthew Ahrens return (DCMD_ERR); 5513f1f8012SMatthew Ahrens } 5523f1f8012SMatthew Ahrens 5533f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5543f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5553f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5563f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5573f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5583f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5593f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5603f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5613f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5623f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5633f1f8012SMatthew Ahrens 5643f1f8012SMatthew Ahrens if (verbose) { 5653f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5663f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5673f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5683f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5693f1f8012SMatthew Ahrens } 5703f1f8012SMatthew Ahrens } 5713f1f8012SMatthew Ahrens 5723f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5733f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5743f1f8012SMatthew Ahrens /* LINTED: alignment */ 5753f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5763f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5773f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 5783f1f8012SMatthew Ahrens if (verbose) { 5793f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 5803f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 5813f1f8012SMatthew Ahrens } 5823f1f8012SMatthew Ahrens break; 5833f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 5843f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 5853f1f8012SMatthew Ahrens if (verbose) { 5863f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 5873f1f8012SMatthew Ahrens zlc->l_entry.le_next); 5883f1f8012SMatthew Ahrens } 5893f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 5903f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 5913f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 5923f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 5933f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 5943f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 5953f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 5963f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 5973f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 5983f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 5993f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6003f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6013f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6023f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6033f1f8012SMatthew Ahrens break; 6043f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6053f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6063f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6073f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6083f9d6ad7SLin Ling mdb_printf("\n"); 6093f1f8012SMatthew Ahrens if (verbose) { 6103f1f8012SMatthew Ahrens int j; 6113f1f8012SMatthew Ahrens mdb_printf(" "); 6123f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6133f1f8012SMatthew Ahrens mdb_printf("%02x ", 6143f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6153f1f8012SMatthew Ahrens } 6163f1f8012SMatthew Ahrens mdb_printf("\n"); 6173f1f8012SMatthew Ahrens } 6183f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6193f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6203f1f8012SMatthew Ahrens zlc->l_array.la_next); 6213f1f8012SMatthew Ahrens } 6223f1f8012SMatthew Ahrens break; 6233f1f8012SMatthew Ahrens default: 6243f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6253f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6263f1f8012SMatthew Ahrens } 6273f1f8012SMatthew Ahrens } 6283f1f8012SMatthew Ahrens 6293f1f8012SMatthew Ahrens return (DCMD_OK); 6303f1f8012SMatthew Ahrens } 6313f1f8012SMatthew Ahrens 632fa9e4066Sahrens typedef struct dbufs_data { 633fa9e4066Sahrens mdb_ctf_id_t id; 634fa9e4066Sahrens uint64_t objset; 635fa9e4066Sahrens uint64_t object; 636fa9e4066Sahrens uint64_t level; 637fa9e4066Sahrens uint64_t blkid; 638fa9e4066Sahrens char *osname; 639fa9e4066Sahrens } dbufs_data_t; 640fa9e4066Sahrens 641fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 642fa9e4066Sahrens 643fa9e4066Sahrens /* ARGSUSED */ 644fa9e4066Sahrens static int 645fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 646fa9e4066Sahrens { 647fa9e4066Sahrens dbufs_data_t *data = arg; 648fa9e4066Sahrens uintptr_t objset; 649fa9e4066Sahrens dmu_buf_t db; 650fa9e4066Sahrens uint8_t level; 651fa9e4066Sahrens uint64_t blkid; 652fa9e4066Sahrens char osname[MAXNAMELEN]; 653fa9e4066Sahrens 654fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 655fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 656fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 657fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 658fa9e4066Sahrens return (WALK_ERR); 659fa9e4066Sahrens } 660fa9e4066Sahrens 661fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 662fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 663ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 664fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 665fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 666fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 667fa9e4066Sahrens mdb_printf("%#lr\n", addr); 668fa9e4066Sahrens } 669fa9e4066Sahrens return (WALK_NEXT); 670fa9e4066Sahrens } 671fa9e4066Sahrens 672fa9e4066Sahrens /* ARGSUSED */ 673fa9e4066Sahrens static int 674fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 675fa9e4066Sahrens { 676fa9e4066Sahrens dbufs_data_t data; 677fa9e4066Sahrens char *object = NULL; 678fa9e4066Sahrens char *blkid = NULL; 679fa9e4066Sahrens 680fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 681fa9e4066Sahrens data.osname = NULL; 682fa9e4066Sahrens 683fa9e4066Sahrens if (mdb_getopts(argc, argv, 684fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 685fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 686fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 687fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 688fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 689fa9e4066Sahrens return (DCMD_USAGE); 690fa9e4066Sahrens } 691fa9e4066Sahrens 692fa9e4066Sahrens if (object) { 693fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 694fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 695fa9e4066Sahrens } else { 696fa9e4066Sahrens data.object = mdb_strtoull(object); 697fa9e4066Sahrens } 698fa9e4066Sahrens } 699fa9e4066Sahrens 700fa9e4066Sahrens if (blkid) { 701fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7020a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 703fa9e4066Sahrens } else { 704fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 705fa9e4066Sahrens } 706fa9e4066Sahrens } 707fa9e4066Sahrens 708*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 709fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 710fa9e4066Sahrens return (DCMD_ERR); 711fa9e4066Sahrens } 712fa9e4066Sahrens 7135f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 714fa9e4066Sahrens mdb_warn("can't walk dbufs"); 715fa9e4066Sahrens return (DCMD_ERR); 716fa9e4066Sahrens } 717fa9e4066Sahrens 718fa9e4066Sahrens return (DCMD_OK); 719fa9e4066Sahrens } 720fa9e4066Sahrens 721fa9e4066Sahrens typedef struct abuf_find_data { 722fa9e4066Sahrens dva_t dva; 723fa9e4066Sahrens mdb_ctf_id_t id; 724fa9e4066Sahrens } abuf_find_data_t; 725fa9e4066Sahrens 726fa9e4066Sahrens /* ARGSUSED */ 727fa9e4066Sahrens static int 728fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 729fa9e4066Sahrens { 730fa9e4066Sahrens abuf_find_data_t *data = arg; 731fa9e4066Sahrens dva_t dva; 732fa9e4066Sahrens 733fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 734fa9e4066Sahrens return (WALK_ERR); 735fa9e4066Sahrens } 736fa9e4066Sahrens 737fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 738fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 739fa9e4066Sahrens mdb_printf("%#lr\n", addr); 740fa9e4066Sahrens } 741fa9e4066Sahrens return (WALK_NEXT); 742fa9e4066Sahrens } 743fa9e4066Sahrens 744fa9e4066Sahrens /* ARGSUSED */ 745fa9e4066Sahrens static int 746fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 747fa9e4066Sahrens { 748fa9e4066Sahrens abuf_find_data_t data; 749fa9e4066Sahrens GElf_Sym sym; 750fa9e4066Sahrens int i; 751fa9e4066Sahrens const char *syms[] = { 752a2eea2e1Sahrens "ARC_mru", 753a2eea2e1Sahrens "ARC_mru_ghost", 754a2eea2e1Sahrens "ARC_mfu", 755a2eea2e1Sahrens "ARC_mfu_ghost", 756fa9e4066Sahrens }; 757fa9e4066Sahrens 758fa9e4066Sahrens if (argc != 2) 759fa9e4066Sahrens return (DCMD_USAGE); 760fa9e4066Sahrens 761fa9e4066Sahrens for (i = 0; i < 2; i ++) { 762fa9e4066Sahrens switch (argv[i].a_type) { 763fa9e4066Sahrens case MDB_TYPE_STRING: 764fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 765fa9e4066Sahrens break; 766fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 767fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 768fa9e4066Sahrens break; 769fa9e4066Sahrens default: 770fa9e4066Sahrens return (DCMD_USAGE); 771fa9e4066Sahrens } 772fa9e4066Sahrens } 773fa9e4066Sahrens 774*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 775fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 776fa9e4066Sahrens return (DCMD_ERR); 777fa9e4066Sahrens } 778fa9e4066Sahrens 779fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 780fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 781fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 782fa9e4066Sahrens return (DCMD_ERR); 783fa9e4066Sahrens } 784fa9e4066Sahrens 785fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 786fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 787fa9e4066Sahrens return (DCMD_ERR); 788fa9e4066Sahrens } 789fa9e4066Sahrens } 790fa9e4066Sahrens 791fa9e4066Sahrens return (DCMD_OK); 792fa9e4066Sahrens } 793fa9e4066Sahrens 794*28e4da25SMatthew Ahrens 795*28e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 796*28e4da25SMatthew Ahrens boolean_t da_verbose; 797*28e4da25SMatthew Ahrens boolean_t da_address; 798*28e4da25SMatthew Ahrens } dbgmsg_arg_t; 799*28e4da25SMatthew Ahrens 8003f9d6ad7SLin Ling /* ARGSUSED */ 8013f9d6ad7SLin Ling static int 8023f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8033f9d6ad7SLin Ling { 8043f9d6ad7SLin Ling static mdb_ctf_id_t id; 8053f9d6ad7SLin Ling static boolean_t gotid; 8063f9d6ad7SLin Ling static ulong_t off; 8073f9d6ad7SLin Ling 808*28e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8093f9d6ad7SLin Ling time_t timestamp; 8103f9d6ad7SLin Ling char buf[1024]; 8113f9d6ad7SLin Ling 8123f9d6ad7SLin Ling if (!gotid) { 813*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 814*28e4da25SMatthew Ahrens -1) { 8153f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8163f9d6ad7SLin Ling return (WALK_ERR); 8173f9d6ad7SLin Ling } 8183f9d6ad7SLin Ling gotid = TRUE; 8193f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8203f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8213f9d6ad7SLin Ling return (WALK_ERR); 8223f9d6ad7SLin Ling } 8233f9d6ad7SLin Ling off /= 8; 8243f9d6ad7SLin Ling } 8253f9d6ad7SLin Ling 8263f9d6ad7SLin Ling 8273f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 8283f9d6ad7SLin Ling return (WALK_ERR); 8293f9d6ad7SLin Ling } 8303f9d6ad7SLin Ling 8313f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 8323f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 8333f9d6ad7SLin Ling return (DCMD_ERR); 8343f9d6ad7SLin Ling } 8353f9d6ad7SLin Ling 836*28e4da25SMatthew Ahrens if (da->da_address) 837*28e4da25SMatthew Ahrens mdb_printf("%p ", addr); 838*28e4da25SMatthew Ahrens if (da->da_verbose) 8393f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 8403f9d6ad7SLin Ling 8413f9d6ad7SLin Ling mdb_printf("%s\n", buf); 8423f9d6ad7SLin Ling 843*28e4da25SMatthew Ahrens if (da->da_verbose) 8443f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 8453f9d6ad7SLin Ling 8463f9d6ad7SLin Ling return (WALK_NEXT); 8473f9d6ad7SLin Ling } 8483f9d6ad7SLin Ling 8493f9d6ad7SLin Ling /* ARGSUSED */ 8503f9d6ad7SLin Ling static int 8513f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 8523f9d6ad7SLin Ling { 8533f9d6ad7SLin Ling GElf_Sym sym; 854*28e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 8553f9d6ad7SLin Ling 8563f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 857*28e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 858*28e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 8593f9d6ad7SLin Ling NULL) != argc) 8603f9d6ad7SLin Ling return (DCMD_USAGE); 8613f9d6ad7SLin Ling 8623f9d6ad7SLin Ling if (mdb_lookup_by_name("zfs_dbgmsgs", &sym)) { 8633f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 8643f9d6ad7SLin Ling return (DCMD_ERR); 8653f9d6ad7SLin Ling } 8663f9d6ad7SLin Ling 867*28e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 8683f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 8693f9d6ad7SLin Ling return (DCMD_ERR); 8703f9d6ad7SLin Ling } 8713f9d6ad7SLin Ling 8723f9d6ad7SLin Ling return (DCMD_OK); 8733f9d6ad7SLin Ling } 8743f9d6ad7SLin Ling 87544cb6abcSbmc /*ARGSUSED*/ 87644cb6abcSbmc static int 87744cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 87844cb6abcSbmc { 87944cb6abcSbmc kstat_named_t *stats; 88044cb6abcSbmc GElf_Sym sym; 88191ebeef5Sahrens int nstats, i; 88244cb6abcSbmc uint_t opt_a = FALSE; 88391ebeef5Sahrens uint_t opt_b = FALSE; 88491ebeef5Sahrens uint_t shift = 0; 88591ebeef5Sahrens const char *suffix; 88644cb6abcSbmc 88791ebeef5Sahrens static const char *bytestats[] = { 8889253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 8899253d63dSGeorge Wilson NULL 89091ebeef5Sahrens }; 89191ebeef5Sahrens 89291ebeef5Sahrens static const char *extras[] = { 89391ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 89491ebeef5Sahrens "arc_meta_used", "arc_meta_limit", "arc_meta_max", 89591ebeef5Sahrens NULL 89644cb6abcSbmc }; 89744cb6abcSbmc 89844cb6abcSbmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) { 89944cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 90044cb6abcSbmc return (DCMD_ERR); 90144cb6abcSbmc } 90244cb6abcSbmc 90344cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 90444cb6abcSbmc 90544cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 90644cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 90744cb6abcSbmc return (DCMD_ERR); 90844cb6abcSbmc } 90944cb6abcSbmc 91044cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 91144cb6abcSbmc 91291ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 91391ebeef5Sahrens if (mdb_getopts(argc, argv, 91491ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 91591ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 91691ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 91791ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 91891ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 91991ebeef5Sahrens NULL) != argc) 92044cb6abcSbmc return (DCMD_USAGE); 92144cb6abcSbmc 92291ebeef5Sahrens if (!opt_b && !shift) 92391ebeef5Sahrens shift = 20; 92491ebeef5Sahrens 92591ebeef5Sahrens switch (shift) { 92691ebeef5Sahrens case 0: 92791ebeef5Sahrens suffix = "B"; 92891ebeef5Sahrens break; 92991ebeef5Sahrens case 10: 93091ebeef5Sahrens suffix = "KB"; 93191ebeef5Sahrens break; 93291ebeef5Sahrens case 20: 93391ebeef5Sahrens suffix = "MB"; 93491ebeef5Sahrens break; 93591ebeef5Sahrens case 30: 93691ebeef5Sahrens suffix = "GB"; 93791ebeef5Sahrens break; 93891ebeef5Sahrens default: 93991ebeef5Sahrens suffix = "XX"; 94091ebeef5Sahrens } 94191ebeef5Sahrens 94291ebeef5Sahrens for (i = 0; i < nstats; i++) { 94391ebeef5Sahrens int j; 94491ebeef5Sahrens boolean_t bytes = B_FALSE; 94591ebeef5Sahrens 94691ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 94791ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 94891ebeef5Sahrens bytes = B_TRUE; 94991ebeef5Sahrens break; 95091ebeef5Sahrens } 95191ebeef5Sahrens } 95244cb6abcSbmc 95391ebeef5Sahrens if (bytes) { 95491ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 95591ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 95691ebeef5Sahrens } else { 95791ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 95844cb6abcSbmc stats[i].value.ui64); 95944cb6abcSbmc } 96044cb6abcSbmc } 96144cb6abcSbmc 96291ebeef5Sahrens for (i = 0; extras[i]; i++) { 96391ebeef5Sahrens uint64_t buf; 96444cb6abcSbmc 96591ebeef5Sahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) { 96691ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 96791ebeef5Sahrens return (DCMD_ERR); 96844cb6abcSbmc } 96944cb6abcSbmc 97091ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 97191ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 97291ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 97391ebeef5Sahrens extras[i]); 97491ebeef5Sahrens return (DCMD_ERR); 97544cb6abcSbmc } 97644cb6abcSbmc 97791ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 97891ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 97991ebeef5Sahrens return (DCMD_ERR); 98044cb6abcSbmc } 98144cb6abcSbmc 98291ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 98391ebeef5Sahrens 98491ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 98591ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 98691ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 98744cb6abcSbmc 98891ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 98991ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 99091ebeef5Sahrens } 99144cb6abcSbmc return (DCMD_OK); 99244cb6abcSbmc } 99344cb6abcSbmc 994fa9e4066Sahrens /* 995fa9e4066Sahrens * ::spa 996fa9e4066Sahrens * 997fa9e4066Sahrens * -c Print configuration information as well 998fa9e4066Sahrens * -v Print vdev state 999fa9e4066Sahrens * -e Print vdev error stats 1000fa9e4066Sahrens * 1001fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1002fa9e4066Sahrens * active pools on the system. 1003fa9e4066Sahrens */ 1004fa9e4066Sahrens /* ARGSUSED */ 1005fa9e4066Sahrens static int 1006fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1007fa9e4066Sahrens { 1008fa9e4066Sahrens spa_t spa; 1009fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1010e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1011fa9e4066Sahrens const char *state; 1012fa9e4066Sahrens int config = FALSE; 1013fa9e4066Sahrens int vdevs = FALSE; 1014fa9e4066Sahrens int errors = FALSE; 1015fa9e4066Sahrens 1016fa9e4066Sahrens if (mdb_getopts(argc, argv, 1017fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 1018fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 1019fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1020fa9e4066Sahrens NULL) != argc) 1021fa9e4066Sahrens return (DCMD_USAGE); 1022fa9e4066Sahrens 1023fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1024fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1025fa9e4066Sahrens mdb_warn("can't walk spa"); 1026fa9e4066Sahrens return (DCMD_ERR); 1027fa9e4066Sahrens } 1028fa9e4066Sahrens 1029fa9e4066Sahrens return (DCMD_OK); 1030fa9e4066Sahrens } 1031fa9e4066Sahrens 1032fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1033fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1034fa9e4066Sahrens return (DCMD_OK); 1035fa9e4066Sahrens } 1036fa9e4066Sahrens 1037fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1038fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1039fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1040fa9e4066Sahrens 1041fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1042fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1043fa9e4066Sahrens return (DCMD_ERR); 1044fa9e4066Sahrens } 1045fa9e4066Sahrens 1046fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1047ea8dc4b6Seschrock state = "UNKNOWN"; 1048fa9e4066Sahrens else 1049fa9e4066Sahrens state = statetab[spa.spa_state]; 1050fa9e4066Sahrens 1051e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1052fa9e4066Sahrens 1053fa9e4066Sahrens if (config) { 1054fa9e4066Sahrens mdb_printf("\n"); 1055fa9e4066Sahrens mdb_inc_indent(4); 1056fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1057fa9e4066Sahrens NULL) != DCMD_OK) 1058fa9e4066Sahrens return (DCMD_ERR); 1059fa9e4066Sahrens mdb_dec_indent(4); 1060fa9e4066Sahrens } 1061fa9e4066Sahrens 1062fa9e4066Sahrens if (vdevs || errors) { 1063fa9e4066Sahrens mdb_arg_t v; 1064fa9e4066Sahrens 1065fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1066fa9e4066Sahrens v.a_un.a_str = "-e"; 1067fa9e4066Sahrens 1068fa9e4066Sahrens mdb_printf("\n"); 1069fa9e4066Sahrens mdb_inc_indent(4); 1070fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1071fa9e4066Sahrens &v) != DCMD_OK) 1072fa9e4066Sahrens return (DCMD_ERR); 1073fa9e4066Sahrens mdb_dec_indent(4); 1074fa9e4066Sahrens } 1075fa9e4066Sahrens 1076fa9e4066Sahrens return (DCMD_OK); 1077fa9e4066Sahrens } 1078fa9e4066Sahrens 1079*28e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1080*28e4da25SMatthew Ahrens nvlist_t *spa_config; 1081*28e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 1082*28e4da25SMatthew Ahrens 1083fa9e4066Sahrens /* 1084fa9e4066Sahrens * ::spa_config 1085fa9e4066Sahrens * 1086fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1087fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1088fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1089fa9e4066Sahrens */ 1090fa9e4066Sahrens /* ARGSUSED */ 1091fa9e4066Sahrens static int 1092fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1093fa9e4066Sahrens { 1094*28e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1095fa9e4066Sahrens 1096fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1097fa9e4066Sahrens return (DCMD_USAGE); 1098fa9e4066Sahrens 1099*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 1100*28e4da25SMatthew Ahrens addr, 0) == -1) 1101fa9e4066Sahrens return (DCMD_ERR); 1102fa9e4066Sahrens 1103fa9e4066Sahrens if (spa.spa_config == NULL) { 1104fa9e4066Sahrens mdb_printf("(none)\n"); 1105fa9e4066Sahrens return (DCMD_OK); 1106fa9e4066Sahrens } 1107fa9e4066Sahrens 1108fa9e4066Sahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, 1109fa9e4066Sahrens 0, NULL)); 1110fa9e4066Sahrens } 1111fa9e4066Sahrens 1112fa9e4066Sahrens /* 1113fa9e4066Sahrens * ::vdev 1114fa9e4066Sahrens * 1115fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1116fa9e4066Sahrens * 1117fa9e4066Sahrens * ADDR STATE AUX DESC 1118fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1119fa9e4066Sahrens * 1120fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1121fa9e4066Sahrens * 1122fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1123fa9e4066Sahrens */ 1124fa9e4066Sahrens static int 1125614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1126fa9e4066Sahrens int recursive) 1127fa9e4066Sahrens { 1128fa9e4066Sahrens vdev_t vdev; 1129fa9e4066Sahrens char desc[MAXNAMELEN]; 1130fa9e4066Sahrens int c, children; 1131fa9e4066Sahrens uintptr_t *child; 1132fa9e4066Sahrens const char *state, *aux; 1133fa9e4066Sahrens 1134fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1135fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1136fa9e4066Sahrens return (DCMD_ERR); 1137fa9e4066Sahrens } 1138fa9e4066Sahrens 1139fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1140fa9e4066Sahrens mdb_printf("%#lr", addr); 1141fa9e4066Sahrens } else { 1142fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1143fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1144fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1145fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1146fa9e4066Sahrens vdev.vdev_path); 1147fa9e4066Sahrens return (DCMD_ERR); 1148fa9e4066Sahrens } 1149fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1150fa9e4066Sahrens vdev_ops_t ops; 1151fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1152fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1153fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1154fa9e4066Sahrens vdev.vdev_ops); 1155fa9e4066Sahrens return (DCMD_ERR); 1156fa9e4066Sahrens } 1157fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1158fa9e4066Sahrens } else { 1159fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1160fa9e4066Sahrens } 1161fa9e4066Sahrens 1162fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1163fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1164fa9e4066Sahrens "ADDR", "STATE", "AUX", 1165fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1166fa9e4066Sahrens "DESCRIPTION"); 1167fa9e4066Sahrens 1168fa9e4066Sahrens mdb_printf("%0?p ", addr); 1169fa9e4066Sahrens 1170fa9e4066Sahrens switch (vdev.vdev_state) { 1171fa9e4066Sahrens case VDEV_STATE_CLOSED: 1172ccae0b50Seschrock state = "CLOSED"; 1173ccae0b50Seschrock break; 1174fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1175ccae0b50Seschrock state = "OFFLINE"; 1176ccae0b50Seschrock break; 1177fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1178ccae0b50Seschrock state = "CANT_OPEN"; 1179ccae0b50Seschrock break; 1180fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1181ccae0b50Seschrock state = "DEGRADED"; 1182ccae0b50Seschrock break; 1183fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1184ccae0b50Seschrock state = "HEALTHY"; 1185ccae0b50Seschrock break; 11863d7072f8Seschrock case VDEV_STATE_REMOVED: 11873d7072f8Seschrock state = "REMOVED"; 11883d7072f8Seschrock break; 11893d7072f8Seschrock case VDEV_STATE_FAULTED: 11903d7072f8Seschrock state = "FAULTED"; 11913d7072f8Seschrock break; 1192fa9e4066Sahrens default: 1193ccae0b50Seschrock state = "UNKNOWN"; 1194ccae0b50Seschrock break; 1195fa9e4066Sahrens } 1196fa9e4066Sahrens 1197fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1198fa9e4066Sahrens case VDEV_AUX_NONE: 1199fa9e4066Sahrens aux = "-"; 1200fa9e4066Sahrens break; 1201fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1202fa9e4066Sahrens aux = "OPEN_FAILED"; 1203fa9e4066Sahrens break; 1204fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1205fa9e4066Sahrens aux = "CORRUPT_DATA"; 1206fa9e4066Sahrens break; 1207fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1208fa9e4066Sahrens aux = "NO_REPLICAS"; 1209fa9e4066Sahrens break; 1210fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1211fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1212fa9e4066Sahrens break; 1213fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1214fa9e4066Sahrens aux = "TOO_SMALL"; 1215fa9e4066Sahrens break; 1216fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1217fa9e4066Sahrens aux = "BAD_LABEL"; 1218fa9e4066Sahrens break; 1219b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1220b87f3af3Sperrin aux = "VERS_NEWER"; 1221b87f3af3Sperrin break; 1222b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1223b87f3af3Sperrin aux = "VERS_OLDER"; 1224b87f3af3Sperrin break; 1225ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1226ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1227ad135b5dSChristopher Siden break; 1228b87f3af3Sperrin case VDEV_AUX_SPARED: 1229b87f3af3Sperrin aux = "SPARED"; 1230b87f3af3Sperrin break; 1231b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1232b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1233b87f3af3Sperrin break; 1234b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1235b87f3af3Sperrin aux = "IO_FAILURE"; 1236b87f3af3Sperrin break; 1237b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1238b87f3af3Sperrin aux = "BAD_LOG"; 1239b87f3af3Sperrin break; 12401195e687SMark J Musante case VDEV_AUX_EXTERNAL: 12411195e687SMark J Musante aux = "EXTERNAL"; 12421195e687SMark J Musante break; 12431195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 12441195e687SMark J Musante aux = "SPLIT_POOL"; 12451195e687SMark J Musante break; 1246fa9e4066Sahrens default: 1247fa9e4066Sahrens aux = "UNKNOWN"; 1248fa9e4066Sahrens break; 1249fa9e4066Sahrens } 1250fa9e4066Sahrens 1251fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1252fa9e4066Sahrens 1253fa9e4066Sahrens if (stats) { 1254fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1255fa9e4066Sahrens int i; 1256fa9e4066Sahrens 1257fa9e4066Sahrens mdb_inc_indent(4); 1258fa9e4066Sahrens mdb_printf("\n"); 1259fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1260fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1261fa9e4066Sahrens "IOCTL"); 1262fa9e4066Sahrens mdb_printf("OPS "); 1263fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1264fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1265fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1266fa9e4066Sahrens mdb_printf("\n"); 1267fa9e4066Sahrens mdb_printf("BYTES "); 1268fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1269fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1270fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1271fa9e4066Sahrens 1272fa9e4066Sahrens 1273fa9e4066Sahrens mdb_printf("\n"); 1274fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1275fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1276fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1277fa9e4066Sahrens vs->vs_checksum_errors); 1278fa9e4066Sahrens mdb_dec_indent(4); 1279fa9e4066Sahrens } 1280fa9e4066Sahrens 1281614409b5Sahrens if (stats) 1282fa9e4066Sahrens mdb_printf("\n"); 1283fa9e4066Sahrens } 1284fa9e4066Sahrens 1285fa9e4066Sahrens children = vdev.vdev_children; 1286fa9e4066Sahrens 1287fa9e4066Sahrens if (children == 0 || !recursive) 1288fa9e4066Sahrens return (DCMD_OK); 1289fa9e4066Sahrens 1290fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1291fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1292fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1293fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1294fa9e4066Sahrens return (DCMD_ERR); 1295fa9e4066Sahrens } 1296fa9e4066Sahrens 1297fa9e4066Sahrens for (c = 0; c < children; c++) { 1298614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1299fa9e4066Sahrens recursive)) 1300fa9e4066Sahrens return (DCMD_ERR); 1301fa9e4066Sahrens } 1302fa9e4066Sahrens 1303fa9e4066Sahrens return (DCMD_OK); 1304fa9e4066Sahrens } 1305fa9e4066Sahrens 1306fa9e4066Sahrens static int 1307fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1308fa9e4066Sahrens { 1309fa9e4066Sahrens int recursive = FALSE; 1310fa9e4066Sahrens int stats = FALSE; 1311c5904d13Seschrock uint64_t depth = 0; 1312fa9e4066Sahrens 1313fa9e4066Sahrens if (mdb_getopts(argc, argv, 1314fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1315fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1316c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1317fa9e4066Sahrens NULL) != argc) 1318fa9e4066Sahrens return (DCMD_USAGE); 1319fa9e4066Sahrens 1320fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1321fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1322fa9e4066Sahrens return (DCMD_ERR); 1323fa9e4066Sahrens } 1324fa9e4066Sahrens 1325c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1326fa9e4066Sahrens } 1327fa9e4066Sahrens 13285f5f7a6fSahrens typedef struct metaslab_walk_data { 13295f5f7a6fSahrens uint64_t mw_numvdevs; 13305f5f7a6fSahrens uintptr_t *mw_vdevs; 13315f5f7a6fSahrens int mw_curvdev; 13325f5f7a6fSahrens uint64_t mw_nummss; 13335f5f7a6fSahrens uintptr_t *mw_mss; 13345f5f7a6fSahrens int mw_curms; 13355f5f7a6fSahrens } metaslab_walk_data_t; 13365f5f7a6fSahrens 13375f5f7a6fSahrens static int 13385f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 13395f5f7a6fSahrens { 13405f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 13415f5f7a6fSahrens metaslab_t ms; 13425f5f7a6fSahrens uintptr_t msp; 13435f5f7a6fSahrens 13445f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 13455f5f7a6fSahrens return (WALK_DONE); 13465f5f7a6fSahrens 13475f5f7a6fSahrens if (mw->mw_mss == NULL) { 13485f5f7a6fSahrens uintptr_t mssp; 13495f5f7a6fSahrens uintptr_t vdevp; 13505f5f7a6fSahrens 13515f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 13525f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 13535f5f7a6fSahrens 13545f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 1355*28e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 1356*28e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 13575f5f7a6fSahrens return (WALK_ERR); 13585f5f7a6fSahrens } 13595f5f7a6fSahrens 13605f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 13615f5f7a6fSahrens UM_SLEEP | UM_GC); 13625f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 13635f5f7a6fSahrens mssp) == -1) { 13645f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 13655f5f7a6fSahrens return (WALK_ERR); 13665f5f7a6fSahrens } 13675f5f7a6fSahrens } 13685f5f7a6fSahrens 13695f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13705f5f7a6fSahrens mw->mw_mss = NULL; 13715f5f7a6fSahrens mw->mw_curms = 0; 13725f5f7a6fSahrens mw->mw_nummss = 0; 13735f5f7a6fSahrens mw->mw_curvdev++; 13745f5f7a6fSahrens return (WALK_NEXT); 13755f5f7a6fSahrens } 13765f5f7a6fSahrens 13775f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13785f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13795f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13805f5f7a6fSahrens return (WALK_ERR); 13815f5f7a6fSahrens } 13825f5f7a6fSahrens 13835f5f7a6fSahrens mw->mw_curms++; 13845f5f7a6fSahrens 13855f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13865f5f7a6fSahrens } 13875f5f7a6fSahrens 13885f5f7a6fSahrens /* ARGSUSED */ 13895f5f7a6fSahrens static int 13905f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 13915f5f7a6fSahrens { 13925f5f7a6fSahrens metaslab_walk_data_t *mw; 13935f5f7a6fSahrens uintptr_t root_vdevp; 13945f5f7a6fSahrens uintptr_t childp; 13955f5f7a6fSahrens 13965f5f7a6fSahrens if (wsp->walk_addr == NULL) { 13975f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 13985f5f7a6fSahrens return (WALK_ERR); 13995f5f7a6fSahrens } 14005f5f7a6fSahrens 14015f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 14025f5f7a6fSahrens 1403*28e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 1404*28e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 1405*28e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 14065f5f7a6fSahrens return (DCMD_ERR); 14075f5f7a6fSahrens } 14085f5f7a6fSahrens 14095f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 14105f5f7a6fSahrens UM_SLEEP | UM_GC); 14115f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 14125f5f7a6fSahrens childp) == -1) { 14135f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 14145f5f7a6fSahrens return (DCMD_ERR); 14155f5f7a6fSahrens } 14165f5f7a6fSahrens 14175f5f7a6fSahrens wsp->walk_data = mw; 14185f5f7a6fSahrens 14195f5f7a6fSahrens return (WALK_NEXT); 14205f5f7a6fSahrens } 14215f5f7a6fSahrens 1422fa9e4066Sahrens typedef struct mdb_spa { 1423fa9e4066Sahrens uintptr_t spa_dsl_pool; 1424fa9e4066Sahrens uintptr_t spa_root_vdev; 1425fa9e4066Sahrens } mdb_spa_t; 1426fa9e4066Sahrens 1427fa9e4066Sahrens typedef struct mdb_dsl_dir { 1428fa9e4066Sahrens uintptr_t dd_phys; 1429fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1430fa9e4066Sahrens } mdb_dsl_dir_t; 1431fa9e4066Sahrens 1432fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1433fa9e4066Sahrens uint64_t dd_used_bytes; 1434fa9e4066Sahrens uint64_t dd_compressed_bytes; 1435fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1436fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1437fa9e4066Sahrens 1438fa9e4066Sahrens typedef struct mdb_vdev { 1439fa9e4066Sahrens uintptr_t vdev_parent; 1440fa9e4066Sahrens uintptr_t vdev_ms; 1441fa9e4066Sahrens uint64_t vdev_ms_count; 1442fa9e4066Sahrens vdev_stat_t vdev_stat; 1443fa9e4066Sahrens } mdb_vdev_t; 1444fa9e4066Sahrens 1445fa9e4066Sahrens typedef struct mdb_metaslab { 1446fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1447fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1448fa9e4066Sahrens space_map_t ms_map; 1449ecc2d604Sbonwick space_map_obj_t ms_smo; 14505f5f7a6fSahrens space_map_obj_t ms_smo_syncing; 1451fa9e4066Sahrens } mdb_metaslab_t; 1452fa9e4066Sahrens 14535f5f7a6fSahrens typedef struct space_data { 14545f5f7a6fSahrens uint64_t ms_allocmap[TXG_SIZE]; 14555f5f7a6fSahrens uint64_t ms_freemap[TXG_SIZE]; 14565f5f7a6fSahrens uint64_t ms_map; 14575f5f7a6fSahrens uint64_t avail; 14585f5f7a6fSahrens uint64_t nowavail; 14595f5f7a6fSahrens } space_data_t; 14605f5f7a6fSahrens 14615f5f7a6fSahrens /* ARGSUSED */ 14625f5f7a6fSahrens static int 14635f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 14645f5f7a6fSahrens { 14655f5f7a6fSahrens space_data_t *sd = arg; 14665f5f7a6fSahrens mdb_metaslab_t ms; 14675f5f7a6fSahrens 1468*28e4da25SMatthew Ahrens if (GETMEMB(addr, "metaslab", ms_allocmap, ms.ms_allocmap) || 1469*28e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_freemap, ms.ms_freemap) || 1470*28e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_map, ms.ms_map) || 1471*28e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_smo, ms.ms_smo) || 1472*28e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_smo_syncing, ms.ms_smo_syncing)) { 14735f5f7a6fSahrens return (WALK_ERR); 14745f5f7a6fSahrens } 14755f5f7a6fSahrens 14765f5f7a6fSahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 14775f5f7a6fSahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 14785f5f7a6fSahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 14795f5f7a6fSahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 14805f5f7a6fSahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; 14815f5f7a6fSahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; 14825f5f7a6fSahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; 14835f5f7a6fSahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; 14845f5f7a6fSahrens sd->ms_map += ms.ms_map.sm_space; 14855f5f7a6fSahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; 14865f5f7a6fSahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; 14875f5f7a6fSahrens 14885f5f7a6fSahrens return (WALK_NEXT); 14895f5f7a6fSahrens } 14905f5f7a6fSahrens 1491fa9e4066Sahrens /* 1492fa9e4066Sahrens * ::spa_space [-b] 1493fa9e4066Sahrens * 1494fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1495fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1496fa9e4066Sahrens * Otherwise print in megabytes. 1497fa9e4066Sahrens */ 1498fa9e4066Sahrens /* ARGSUSED */ 1499fa9e4066Sahrens static int 1500fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1501fa9e4066Sahrens { 1502fa9e4066Sahrens mdb_spa_t spa; 1503fa9e4066Sahrens uintptr_t dp_root_dir; 1504fa9e4066Sahrens mdb_dsl_dir_t dd; 1505fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1506fa9e4066Sahrens uint64_t children; 1507fa9e4066Sahrens uintptr_t childaddr; 15085f5f7a6fSahrens space_data_t sd; 1509fa9e4066Sahrens int shift = 20; 1510fa9e4066Sahrens char *suffix = "M"; 1511*28e4da25SMatthew Ahrens int bytes = B_FALSE; 1512fa9e4066Sahrens 1513*28e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1514fa9e4066Sahrens argc) 1515fa9e4066Sahrens return (DCMD_USAGE); 1516fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1517fa9e4066Sahrens return (DCMD_USAGE); 1518fa9e4066Sahrens 1519*28e4da25SMatthew Ahrens if (bytes) { 1520fa9e4066Sahrens shift = 0; 1521fa9e4066Sahrens suffix = ""; 1522fa9e4066Sahrens } 1523fa9e4066Sahrens 1524*28e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, spa.spa_dsl_pool) || 1525*28e4da25SMatthew Ahrens GETMEMB(addr, "spa", spa_root_vdev, spa.spa_root_vdev) || 1526*28e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_children, children) || 1527*28e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_child, childaddr) || 1528*28e4da25SMatthew Ahrens GETMEMB(spa.spa_dsl_pool, "dsl_pool", 1529fa9e4066Sahrens dp_root_dir, dp_root_dir) || 1530*28e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", dd_phys, dd.dd_phys) || 1531*28e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", 1532fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 1533*28e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 15345f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 1535*28e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1536fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 1537*28e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1538fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1539fa9e4066Sahrens return (DCMD_ERR); 1540fa9e4066Sahrens } 1541fa9e4066Sahrens 1542fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1543fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1544fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1545fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1546fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1547fa9e4066Sahrens 1548fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1549fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 15505f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 15515f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 15525f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 15535f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 15545f5f7a6fSahrens 15555f5f7a6fSahrens bzero(&sd, sizeof (sd)); 15565f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 15575f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 15585f5f7a6fSahrens return (DCMD_ERR); 1559fa9e4066Sahrens } 1560fa9e4066Sahrens 1561fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 15625f5f7a6fSahrens sd.ms_allocmap[0] >> shift, suffix, 15635f5f7a6fSahrens sd.ms_allocmap[1] >> shift, suffix, 15645f5f7a6fSahrens sd.ms_allocmap[2] >> shift, suffix, 15655f5f7a6fSahrens sd.ms_allocmap[3] >> shift, suffix); 1566fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 15675f5f7a6fSahrens sd.ms_freemap[0] >> shift, suffix, 15685f5f7a6fSahrens sd.ms_freemap[1] >> shift, suffix, 15695f5f7a6fSahrens sd.ms_freemap[2] >> shift, suffix, 15705f5f7a6fSahrens sd.ms_freemap[3] >> shift, suffix); 15715f5f7a6fSahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); 15725f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 15735f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 15745f5f7a6fSahrens sd.nowavail >> shift, suffix); 1575fa9e4066Sahrens 1576fa9e4066Sahrens return (DCMD_OK); 1577fa9e4066Sahrens } 1578fa9e4066Sahrens 1579fa9e4066Sahrens /* 1580fa9e4066Sahrens * ::spa_verify 1581fa9e4066Sahrens * 1582fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1583fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1584fa9e4066Sahrens */ 1585fa9e4066Sahrens /* ARGSUSED */ 1586fa9e4066Sahrens static int 1587fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1588fa9e4066Sahrens { 1589fa9e4066Sahrens spa_t spa; 1590fa9e4066Sahrens 1591fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1592fa9e4066Sahrens return (DCMD_USAGE); 1593fa9e4066Sahrens 1594fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1595fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1596fa9e4066Sahrens return (DCMD_ERR); 1597fa9e4066Sahrens } 1598fa9e4066Sahrens 1599fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1600fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1601fa9e4066Sahrens return (DCMD_OK); 1602fa9e4066Sahrens } 1603fa9e4066Sahrens 1604fa9e4066Sahrens return (DCMD_OK); 1605fa9e4066Sahrens } 1606fa9e4066Sahrens 1607ec9f632eSEric Schrock static int 1608ec9f632eSEric Schrock spa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1609ec9f632eSEric Schrock const char *name) 1610ec9f632eSEric Schrock { 1611ec9f632eSEric Schrock uintptr_t *aux; 1612ec9f632eSEric Schrock size_t len; 1613ec9f632eSEric Schrock int ret, i; 1614ec9f632eSEric Schrock 1615ec9f632eSEric Schrock /* 1616ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1617ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1618ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1619ec9f632eSEric Schrock * vdev. 1620ec9f632eSEric Schrock */ 1621ec9f632eSEric Schrock if (sav->sav_count != 0) { 1622ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1623ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1624ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1625ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1626ec9f632eSEric Schrock 1627ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1628ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 1629ec9f632eSEric Schrock if (mdb_vread(aux, len, 1630ec9f632eSEric Schrock (uintptr_t)sav->sav_vdevs) == -1) { 1631ec9f632eSEric Schrock mdb_free(aux, len); 1632ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1633ec9f632eSEric Schrock sav->sav_vdevs); 1634ec9f632eSEric Schrock return (DCMD_ERR); 1635ec9f632eSEric Schrock } 1636ec9f632eSEric Schrock 1637ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1638ec9f632eSEric Schrock 1639ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1640ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1641ec9f632eSEric Schrock if (ret != DCMD_OK) { 1642ec9f632eSEric Schrock mdb_free(aux, len); 1643ec9f632eSEric Schrock return (ret); 1644ec9f632eSEric Schrock } 1645ec9f632eSEric Schrock } 1646ec9f632eSEric Schrock 1647ec9f632eSEric Schrock mdb_free(aux, len); 1648ec9f632eSEric Schrock } 1649ec9f632eSEric Schrock 1650ec9f632eSEric Schrock return (0); 1651ec9f632eSEric Schrock } 1652ec9f632eSEric Schrock 1653fa9e4066Sahrens /* 1654fa9e4066Sahrens * ::spa_vdevs 1655fa9e4066Sahrens * 1656fa9e4066Sahrens * -e Include error stats 1657fa9e4066Sahrens * 1658fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1659c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1660c5904d13Seschrock * iterating over the cache devices. 1661fa9e4066Sahrens */ 1662fa9e4066Sahrens /* ARGSUSED */ 1663fa9e4066Sahrens static int 1664fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1665fa9e4066Sahrens { 1666fa9e4066Sahrens spa_t spa; 1667c5904d13Seschrock mdb_arg_t v[3]; 1668fa9e4066Sahrens int errors = FALSE; 1669ec9f632eSEric Schrock int ret; 1670fa9e4066Sahrens 1671fa9e4066Sahrens if (mdb_getopts(argc, argv, 1672fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1673fa9e4066Sahrens NULL) != argc) 1674fa9e4066Sahrens return (DCMD_USAGE); 1675fa9e4066Sahrens 1676fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1677fa9e4066Sahrens return (DCMD_USAGE); 1678fa9e4066Sahrens 1679fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1680fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1681fa9e4066Sahrens return (DCMD_ERR); 1682fa9e4066Sahrens } 1683fa9e4066Sahrens 1684088e9d47Seschrock /* 1685088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1686088e9d47Seschrock */ 1687088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1688088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1689088e9d47Seschrock return (DCMD_OK); 1690088e9d47Seschrock } 1691088e9d47Seschrock 1692c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1693c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1694fa9e4066Sahrens 1695c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1696c5904d13Seschrock flags, 1, v); 1697c5904d13Seschrock if (ret != DCMD_OK) 1698c5904d13Seschrock return (ret); 1699c5904d13Seschrock 1700ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1701ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1702ec9f632eSEric Schrock return (DCMD_ERR); 1703c5904d13Seschrock 1704c5904d13Seschrock return (DCMD_OK); 1705fa9e4066Sahrens } 1706fa9e4066Sahrens 1707ccae0b50Seschrock /* 1708ccae0b50Seschrock * ::zio 1709ccae0b50Seschrock * 1710ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1711ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1712ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1713ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1714ccae0b50Seschrock * 1715ccae0b50Seschrock * ADDRESS TYPE STAGE WAITER 1716ccae0b50Seschrock * 1717ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1718ccae0b50Seschrock * descend down the tree. 1719ccae0b50Seschrock */ 1720fac3008cSeschrock 1721a3f829aeSBill Moore #define ZIO_MAXINDENT 24 1722a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1723a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1724a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1725a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1726a3f829aeSBill Moore 1727a3f829aeSBill Moore typedef struct zio_print_args { 1728a3f829aeSBill Moore int zpa_current_depth; 1729a3f829aeSBill Moore int zpa_min_depth; 1730a3f829aeSBill Moore int zpa_max_depth; 1731a3f829aeSBill Moore int zpa_type; 1732a3f829aeSBill Moore uint_t zpa_flags; 1733a3f829aeSBill Moore } zio_print_args_t; 1734a3f829aeSBill Moore 1735*28e4da25SMatthew Ahrens typedef struct mdb_zio { 1736*28e4da25SMatthew Ahrens enum zio_type io_type; 1737*28e4da25SMatthew Ahrens enum zio_stage io_stage; 1738*28e4da25SMatthew Ahrens void *io_waiter; 1739*28e4da25SMatthew Ahrens uint64_t io_timestamp; 1740*28e4da25SMatthew Ahrens void *io_spa; 1741*28e4da25SMatthew Ahrens struct { 1742*28e4da25SMatthew Ahrens struct { 1743*28e4da25SMatthew Ahrens void *list_next; 1744*28e4da25SMatthew Ahrens } list_head; 1745*28e4da25SMatthew Ahrens } io_parent_list; 1746*28e4da25SMatthew Ahrens int io_error; 1747*28e4da25SMatthew Ahrens } mdb_zio_t; 1748*28e4da25SMatthew Ahrens 1749a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1750fac3008cSeschrock 1751ccae0b50Seschrock static int 1752*28e4da25SMatthew Ahrens zio_print_cb(uintptr_t addr, const mdb_zio_t *zio, zio_print_args_t *zpa) 1753ccae0b50Seschrock { 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 1773*28e4da25SMatthew Ahrens if (zio->io_error == 0) { 1774*28e4da25SMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio->io_stage); 1775*28e4da25SMatthew Ahrens if (stage != NULL) 1776*28e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 1777*28e4da25SMatthew Ahrens else 1778*28e4da25SMatthew Ahrens stage = "?"; 1779*28e4da25SMatthew Ahrens } else { 1780*28e4da25SMatthew Ahrens stage = "FAILED"; 1781*28e4da25SMatthew Ahrens } 1782ccae0b50Seschrock 1783a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1784a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1785a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1786a3f829aeSBill Moore } else { 1787a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1788a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1789a3f829aeSBill Moore if (zio->io_waiter) 1790a3f829aeSBill Moore mdb_printf("%?p\n", zio->io_waiter); 1791a3f829aeSBill Moore else 1792a3f829aeSBill Moore mdb_printf("-\n"); 1793a3f829aeSBill Moore } 1794a3f829aeSBill Moore } 1795a3f829aeSBill Moore 1796a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1797a3f829aeSBill Moore return (WALK_NEXT); 1798ccae0b50Seschrock 1799a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1800*28e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 1801*28e4da25SMatthew Ahrens "io_parent_list"); 1802ccae0b50Seschrock else 1803*28e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 1804*28e4da25SMatthew Ahrens "io_child_list"); 1805ccae0b50Seschrock 1806a3f829aeSBill Moore zpa->zpa_current_depth++; 1807a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1808a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1809ccae0b50Seschrock return (WALK_ERR); 1810ccae0b50Seschrock } 1811a3f829aeSBill Moore zpa->zpa_current_depth--; 1812ccae0b50Seschrock 1813ccae0b50Seschrock return (WALK_NEXT); 1814ccae0b50Seschrock } 1815ccae0b50Seschrock 1816a3f829aeSBill Moore /* ARGSUSED */ 1817ccae0b50Seschrock static int 1818a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1819ccae0b50Seschrock { 1820a3f829aeSBill Moore zio_link_t zl; 1821*28e4da25SMatthew Ahrens mdb_zio_t zio; 1822a3f829aeSBill Moore uintptr_t ziop; 1823a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1824a3f829aeSBill Moore 1825a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1826a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1827a3f829aeSBill Moore return (WALK_ERR); 1828a3f829aeSBill Moore } 1829a3f829aeSBill Moore 1830a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1831a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1832a3f829aeSBill Moore else 1833a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1834a3f829aeSBill Moore 1835*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", ziop, 0) == -1) 1836a3f829aeSBill Moore return (WALK_ERR); 1837fac3008cSeschrock 1838a3f829aeSBill Moore return (zio_print_cb(ziop, &zio, arg)); 1839a3f829aeSBill Moore } 1840a3f829aeSBill Moore 1841a3f829aeSBill Moore /* ARGSUSED */ 1842a3f829aeSBill Moore static int 1843a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1844a3f829aeSBill Moore { 1845*28e4da25SMatthew Ahrens mdb_zio_t zio; 1846a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1847ccae0b50Seschrock 1848ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1849ccae0b50Seschrock return (DCMD_USAGE); 1850ccae0b50Seschrock 1851a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1852a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1853a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1854a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1855a3f829aeSBill Moore NULL) != argc) 1856a3f829aeSBill Moore return (DCMD_USAGE); 1857a3f829aeSBill Moore 1858a3f829aeSBill Moore zpa.zpa_flags = flags; 1859a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1860a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1861a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1862a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1863a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1864a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1865a3f829aeSBill Moore } 1866a3f829aeSBill Moore 1867*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 1868ccae0b50Seschrock return (DCMD_ERR); 1869ccae0b50Seschrock 1870a3f829aeSBill Moore if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) 1871a3f829aeSBill Moore mdb_printf("%<u>%-*s %-5s %-16s %-?s%</u>\n", ZIO_MAXWIDTH, 1872fac3008cSeschrock "ADDRESS", "TYPE", "STAGE", "WAITER"); 1873fac3008cSeschrock 1874a3f829aeSBill Moore if (zio_print_cb(addr, &zio, &zpa) != WALK_NEXT) 1875ccae0b50Seschrock return (DCMD_ERR); 1876ccae0b50Seschrock 1877ccae0b50Seschrock return (DCMD_OK); 1878ccae0b50Seschrock } 1879ccae0b50Seschrock 1880ccae0b50Seschrock /* 1881ccae0b50Seschrock * [addr]::zio_state 1882ccae0b50Seschrock * 1883ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1884ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1885ccae0b50Seschrock */ 1886ccae0b50Seschrock /*ARGSUSED*/ 1887ccae0b50Seschrock static int 1888ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1889ccae0b50Seschrock { 1890ccae0b50Seschrock /* 1891ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1892ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1893ccae0b50Seschrock * non-existent spa_t. 1894ccae0b50Seschrock */ 1895ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1896ccae0b50Seschrock addr = 0; 1897ccae0b50Seschrock 1898ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1899ccae0b50Seschrock } 1900ccae0b50Seschrock 1901fa9e4066Sahrens typedef struct txg_list_walk_data { 1902fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1903fa9e4066Sahrens int lw_txgoff; 1904fa9e4066Sahrens int lw_maxoff; 1905fa9e4066Sahrens size_t lw_offset; 1906fa9e4066Sahrens void *lw_obj; 1907fa9e4066Sahrens } txg_list_walk_data_t; 1908fa9e4066Sahrens 1909fa9e4066Sahrens static int 1910fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1911fa9e4066Sahrens { 1912fa9e4066Sahrens txg_list_walk_data_t *lwd; 1913fa9e4066Sahrens txg_list_t list; 1914fa9e4066Sahrens int i; 1915fa9e4066Sahrens 1916fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1917fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1918fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1919fa9e4066Sahrens return (WALK_ERR); 1920fa9e4066Sahrens } 1921fa9e4066Sahrens 1922fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1923fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1924fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1925fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1926fa9e4066Sahrens UM_SLEEP | UM_GC); 1927fa9e4066Sahrens lwd->lw_txgoff = txg; 1928fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1929fa9e4066Sahrens 1930fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1931fa9e4066Sahrens wsp->walk_data = lwd; 1932fa9e4066Sahrens 1933fa9e4066Sahrens return (WALK_NEXT); 1934fa9e4066Sahrens } 1935fa9e4066Sahrens 1936fa9e4066Sahrens static int 1937fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1938fa9e4066Sahrens { 1939fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1940fa9e4066Sahrens } 1941fa9e4066Sahrens 1942fa9e4066Sahrens static int 1943fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1944fa9e4066Sahrens { 1945fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1946fa9e4066Sahrens } 1947fa9e4066Sahrens 1948fa9e4066Sahrens static int 1949fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1950fa9e4066Sahrens { 1951fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1952fa9e4066Sahrens } 1953fa9e4066Sahrens 1954fa9e4066Sahrens static int 1955fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1956fa9e4066Sahrens { 1957fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1958fa9e4066Sahrens } 1959fa9e4066Sahrens 1960fa9e4066Sahrens static int 1961fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1962fa9e4066Sahrens { 1963fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1964fa9e4066Sahrens } 1965fa9e4066Sahrens 1966fa9e4066Sahrens static int 1967fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1968fa9e4066Sahrens { 1969fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1970fa9e4066Sahrens uintptr_t addr; 1971fa9e4066Sahrens txg_node_t *node; 1972fa9e4066Sahrens int status; 1973fa9e4066Sahrens 1974fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1975fa9e4066Sahrens lwd->lw_txgoff++; 1976fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1977fa9e4066Sahrens } 1978fa9e4066Sahrens 1979fa9e4066Sahrens if (wsp->walk_addr == NULL) 1980fa9e4066Sahrens return (WALK_DONE); 1981fa9e4066Sahrens 1982fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 1983fa9e4066Sahrens 1984fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 1985fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 1986fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 1987fa9e4066Sahrens return (WALK_ERR); 1988fa9e4066Sahrens } 1989fa9e4066Sahrens 1990fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 1991fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 1992fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 1993fa9e4066Sahrens 1994fa9e4066Sahrens return (status); 1995fa9e4066Sahrens } 1996fa9e4066Sahrens 1997fa9e4066Sahrens /* 1998fa9e4066Sahrens * ::walk spa 1999fa9e4066Sahrens * 2000fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2001fa9e4066Sahrens * a layered avl walk. 2002fa9e4066Sahrens */ 2003fa9e4066Sahrens static int 2004fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2005fa9e4066Sahrens { 2006fa9e4066Sahrens GElf_Sym sym; 2007fa9e4066Sahrens 2008fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2009fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2010fa9e4066Sahrens return (WALK_ERR); 2011fa9e4066Sahrens } 2012fa9e4066Sahrens 2013fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2014fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2015fa9e4066Sahrens return (WALK_ERR); 2016fa9e4066Sahrens } 2017fa9e4066Sahrens 2018fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2019fa9e4066Sahrens 2020fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2021fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2022fa9e4066Sahrens return (WALK_ERR); 2023fa9e4066Sahrens } 2024fa9e4066Sahrens 2025fa9e4066Sahrens return (WALK_NEXT); 2026fa9e4066Sahrens } 2027fa9e4066Sahrens 2028fa9e4066Sahrens static int 2029fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2030fa9e4066Sahrens { 2031fa9e4066Sahrens spa_t spa; 2032fa9e4066Sahrens 2033fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 2034fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 2035fa9e4066Sahrens return (WALK_ERR); 2036fa9e4066Sahrens } 2037fa9e4066Sahrens 2038fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 2039fa9e4066Sahrens } 2040fa9e4066Sahrens 2041ccae0b50Seschrock /* 2042ccae0b50Seschrock * [addr]::walk zio 2043ccae0b50Seschrock * 2044ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2045ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2046ccae0b50Seschrock * structures to a particular pool. 2047ccae0b50Seschrock */ 2048ccae0b50Seschrock static int 2049ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2050ccae0b50Seschrock { 2051ccae0b50Seschrock wsp->walk_data = (void *)wsp->walk_addr; 2052ccae0b50Seschrock 2053ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2054ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2055ccae0b50Seschrock return (WALK_ERR); 2056ccae0b50Seschrock } 2057ccae0b50Seschrock 2058ccae0b50Seschrock return (WALK_NEXT); 2059ccae0b50Seschrock } 2060ccae0b50Seschrock 2061ccae0b50Seschrock static int 2062ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2063ccae0b50Seschrock { 2064*28e4da25SMatthew Ahrens mdb_zio_t zio; 2065ccae0b50Seschrock 2066*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 2067*28e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2068ccae0b50Seschrock return (WALK_ERR); 2069ccae0b50Seschrock 2070ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2071ccae0b50Seschrock return (WALK_NEXT); 2072ccae0b50Seschrock 2073ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2074ccae0b50Seschrock } 2075ccae0b50Seschrock 2076ccae0b50Seschrock /* 2077ccae0b50Seschrock * [addr]::walk zio_root 2078ccae0b50Seschrock * 2079ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2080ccae0b50Seschrock */ 2081ccae0b50Seschrock static int 2082ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2083ccae0b50Seschrock { 2084*28e4da25SMatthew Ahrens mdb_zio_t zio; 2085ccae0b50Seschrock 2086*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 2087*28e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2088ccae0b50Seschrock return (WALK_ERR); 2089ccae0b50Seschrock 2090ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2091ccae0b50Seschrock return (WALK_NEXT); 2092ccae0b50Seschrock 2093a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2094*28e4da25SMatthew Ahrens if ((uintptr_t)zio.io_parent_list.list_head.list_next != 2095*28e4da25SMatthew Ahrens wsp->walk_addr + 2096*28e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 2097*28e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2098ccae0b50Seschrock return (WALK_NEXT); 2099ccae0b50Seschrock 2100ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2101ccae0b50Seschrock } 2102ccae0b50Seschrock 210388b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 210488b7b0f2SMatthew Ahrens 210588b7b0f2SMatthew Ahrens static int 2106ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2107ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 210888b7b0f2SMatthew Ahrens { 2109ff64c0f7SMatthew Ahrens int mul = 1; 211088b7b0f2SMatthew Ahrens int whole, frac, i; 211188b7b0f2SMatthew Ahrens 211288b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 211388b7b0f2SMatthew Ahrens mul *= 10; 2114ff64c0f7SMatthew Ahrens whole = numerator / denom; 2115ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 211688b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 211788b7b0f2SMatthew Ahrens } 211888b7b0f2SMatthew Ahrens 211988b7b0f2SMatthew Ahrens static void 212088b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 212188b7b0f2SMatthew Ahrens { 212288b7b0f2SMatthew Ahrens uint64_t n = num; 212388b7b0f2SMatthew Ahrens int index = 0; 212488b7b0f2SMatthew Ahrens char *u; 212588b7b0f2SMatthew Ahrens 212688b7b0f2SMatthew Ahrens while (n >= 1024) { 212788b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 212888b7b0f2SMatthew Ahrens index++; 212988b7b0f2SMatthew Ahrens } 213088b7b0f2SMatthew Ahrens 213188b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 213288b7b0f2SMatthew Ahrens 213388b7b0f2SMatthew Ahrens if (index == 0) { 213488b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 213588b7b0f2SMatthew Ahrens (u_longlong_t)n); 213688b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2137ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2138ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 213988b7b0f2SMatthew Ahrens strcat(buf, u); 214088b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2141ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2142ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 214388b7b0f2SMatthew Ahrens strcat(buf, u); 214488b7b0f2SMatthew Ahrens } else { 214588b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 214688b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 214788b7b0f2SMatthew Ahrens } 214888b7b0f2SMatthew Ahrens } 214988b7b0f2SMatthew Ahrens 215088b7b0f2SMatthew Ahrens /* 215188b7b0f2SMatthew Ahrens * ::zfs_blkstats 215288b7b0f2SMatthew Ahrens * 215388b7b0f2SMatthew Ahrens * -v print verbose per-level information 215488b7b0f2SMatthew Ahrens * 215588b7b0f2SMatthew Ahrens */ 215688b7b0f2SMatthew Ahrens static int 215788b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 215888b7b0f2SMatthew Ahrens { 215988b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 216088b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 216188b7b0f2SMatthew Ahrens dmu_object_type_t t; 216288b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 216388b7b0f2SMatthew Ahrens uint64_t ditto; 216488b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 216588b7b0f2SMatthew Ahrens /* +10 in case it grew */ 216688b7b0f2SMatthew Ahrens 216788b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 216888b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 216988b7b0f2SMatthew Ahrens return (DCMD_ERR); 217088b7b0f2SMatthew Ahrens } 217188b7b0f2SMatthew Ahrens 217288b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 217388b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 217488b7b0f2SMatthew Ahrens NULL) != argc) 217588b7b0f2SMatthew Ahrens return (DCMD_USAGE); 217688b7b0f2SMatthew Ahrens 217788b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 217888b7b0f2SMatthew Ahrens return (DCMD_USAGE); 217988b7b0f2SMatthew Ahrens 2180*28e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 2181*28e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 218288b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 218388b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 218488b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 218588b7b0f2SMatthew Ahrens return (DCMD_ERR); 218688b7b0f2SMatthew Ahrens } 218788b7b0f2SMatthew Ahrens 2188ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 218988b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 219088b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 219188b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 219288b7b0f2SMatthew Ahrens } 219388b7b0f2SMatthew Ahrens 219488b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 219588b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 219688b7b0f2SMatthew Ahrens if (ditto != 0) { 219788b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 219888b7b0f2SMatthew Ahrens (longlong_t)ditto); 219988b7b0f2SMatthew Ahrens } 220088b7b0f2SMatthew Ahrens 220188b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 220288b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 220388b7b0f2SMatthew Ahrens 2204ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 220588b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 220688b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 220788b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 220888b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 220988b7b0f2SMatthew Ahrens char typename[64]; 221088b7b0f2SMatthew Ahrens int l; 221188b7b0f2SMatthew Ahrens 221288b7b0f2SMatthew Ahrens 221388b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 221488b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2215ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2216ad135b5dSChristopher Siden strcpy(typename, "other"); 221788b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 221888b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 221988b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 222088b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 222188b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 222288b7b0f2SMatthew Ahrens return (DCMD_ERR); 222388b7b0f2SMatthew Ahrens } 222488b7b0f2SMatthew Ahrens 222588b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 222688b7b0f2SMatthew Ahrens continue; 222788b7b0f2SMatthew Ahrens 222888b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 222988b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 223088b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 223188b7b0f2SMatthew Ahrens 223288b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 223388b7b0f2SMatthew Ahrens continue; 223488b7b0f2SMatthew Ahrens 223588b7b0f2SMatthew Ahrens /* 223688b7b0f2SMatthew Ahrens * Don't print each level unless requested. 223788b7b0f2SMatthew Ahrens */ 223888b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 223988b7b0f2SMatthew Ahrens continue; 224088b7b0f2SMatthew Ahrens 224188b7b0f2SMatthew Ahrens /* 224288b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 224388b7b0f2SMatthew Ahrens * level 0 separately. 224488b7b0f2SMatthew Ahrens */ 224588b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 224688b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 224788b7b0f2SMatthew Ahrens continue; 224888b7b0f2SMatthew Ahrens 224988b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 225088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 225188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 225288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 225388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2254ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2255ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2256ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2257ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 225888b7b0f2SMatthew Ahrens 225988b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 226088b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 226188b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 226288b7b0f2SMatthew Ahrens 226388b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 226488b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 226588b7b0f2SMatthew Ahrens else 226688b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 226788b7b0f2SMatthew Ahrens level, typename); 226888b7b0f2SMatthew Ahrens } 226988b7b0f2SMatthew Ahrens } 227088b7b0f2SMatthew Ahrens 227188b7b0f2SMatthew Ahrens return (DCMD_OK); 227288b7b0f2SMatthew Ahrens } 227388b7b0f2SMatthew Ahrens 22749966ca11SMatthew Ahrens /* ARGSUSED */ 22759966ca11SMatthew Ahrens static int 22769966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 22779966ca11SMatthew Ahrens { 22789966ca11SMatthew Ahrens static int gotid; 22799966ca11SMatthew Ahrens static mdb_ctf_id_t ref_id; 22809966ca11SMatthew Ahrens uintptr_t ref_holder; 22819966ca11SMatthew Ahrens uintptr_t ref_removed; 22829966ca11SMatthew Ahrens uint64_t ref_number; 22833f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 22849966ca11SMatthew Ahrens char holder_str[128]; 22859966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 22869966ca11SMatthew Ahrens 22879966ca11SMatthew Ahrens if (!gotid) { 22889966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct reference", &ref_id) == -1) { 22899966ca11SMatthew Ahrens mdb_warn("couldn't find struct reference"); 22909966ca11SMatthew Ahrens return (WALK_ERR); 22919966ca11SMatthew Ahrens } 22929966ca11SMatthew Ahrens gotid = TRUE; 22939966ca11SMatthew Ahrens } 22949966ca11SMatthew Ahrens 22959966ca11SMatthew Ahrens if (GETMEMBID(addr, &ref_id, ref_holder, ref_holder) || 22969966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_removed, ref_removed) || 22979966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_number, ref_number)) 22989966ca11SMatthew Ahrens return (WALK_ERR); 22999966ca11SMatthew Ahrens 23003f9d6ad7SLin Ling if (mdb_readstr(holder_str, sizeof (holder_str), ref_holder) != -1) 23013f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 23029966ca11SMatthew Ahrens 23039966ca11SMatthew Ahrens if (removed) 23049966ca11SMatthew Ahrens mdb_printf("removed "); 23059966ca11SMatthew Ahrens mdb_printf("reference "); 23069966ca11SMatthew Ahrens if (ref_number != 1) 23079966ca11SMatthew Ahrens mdb_printf("with count=%llu ", ref_number); 23089966ca11SMatthew Ahrens mdb_printf("with tag %p", (void*)ref_holder); 23099966ca11SMatthew Ahrens if (holder_is_str) 23109966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 23119966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 23129966ca11SMatthew Ahrens 23139966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 23149966ca11SMatthew Ahrens 23159966ca11SMatthew Ahrens if (removed) { 23169966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 23179966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref_removed, 23189966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 23199966ca11SMatthew Ahrens } 23209966ca11SMatthew Ahrens 23219966ca11SMatthew Ahrens mdb_printf("\n"); 23229966ca11SMatthew Ahrens 23239966ca11SMatthew Ahrens return (WALK_NEXT); 23249966ca11SMatthew Ahrens } 23259966ca11SMatthew Ahrens 23269966ca11SMatthew Ahrens /* ARGSUSED */ 23279966ca11SMatthew Ahrens static int 23289966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23299966ca11SMatthew Ahrens { 23309966ca11SMatthew Ahrens uint64_t rc_count, rc_removed_count; 23319966ca11SMatthew Ahrens uintptr_t rc_list, rc_removed; 23329966ca11SMatthew Ahrens static int gotid; 23339966ca11SMatthew Ahrens static mdb_ctf_id_t rc_id; 23349966ca11SMatthew Ahrens ulong_t off; 2335*28e4da25SMatthew Ahrens boolean_t released = B_FALSE; 23369966ca11SMatthew Ahrens 23379966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 23389966ca11SMatthew Ahrens return (DCMD_USAGE); 23399966ca11SMatthew Ahrens 2340*28e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 2341*28e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 2342*28e4da25SMatthew Ahrens NULL) != argc) 2343*28e4da25SMatthew Ahrens return (DCMD_USAGE); 2344*28e4da25SMatthew Ahrens 23459966ca11SMatthew Ahrens if (!gotid) { 23462e2c1355SMatthew Ahrens /* 23472e2c1355SMatthew Ahrens * The refcount structure is different when compiled debug 23482e2c1355SMatthew Ahrens * vs nondebug. Therefore, we want to make sure we get the 23492e2c1355SMatthew Ahrens * refcount definition from the ZFS module, in case it has 23502e2c1355SMatthew Ahrens * been compiled debug but genunix is nondebug. 23512e2c1355SMatthew Ahrens */ 2352*28e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "refcount", 23532e2c1355SMatthew Ahrens &rc_id) == -1) { 23549966ca11SMatthew Ahrens mdb_warn("couldn't find struct refcount"); 23559966ca11SMatthew Ahrens return (DCMD_ERR); 23569966ca11SMatthew Ahrens } 23579966ca11SMatthew Ahrens gotid = TRUE; 23589966ca11SMatthew Ahrens } 23599966ca11SMatthew Ahrens 2360*28e4da25SMatthew Ahrens if (GETMEMBID(addr, &rc_id, rc_count, rc_count)) 23619966ca11SMatthew Ahrens return (DCMD_ERR); 23629966ca11SMatthew Ahrens 2363*28e4da25SMatthew Ahrens if (GETMEMBID(addr, &rc_id, rc_removed_count, rc_removed_count)) { 2364*28e4da25SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds\n", 2365*28e4da25SMatthew Ahrens addr, (longlong_t)rc_count); 2366*28e4da25SMatthew Ahrens return (DCMD_OK); 2367*28e4da25SMatthew Ahrens } 2368*28e4da25SMatthew Ahrens 23699966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 23709966ca11SMatthew Ahrens "%llu recently released holds\n", 23719966ca11SMatthew Ahrens addr, (longlong_t)rc_count, (longlong_t)rc_removed_count); 23729966ca11SMatthew Ahrens 23739966ca11SMatthew Ahrens if (rc_count > 0) 23749966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 23759966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_list", &off) == -1) 23769966ca11SMatthew Ahrens return (DCMD_ERR); 23779966ca11SMatthew Ahrens rc_list = addr + off/NBBY; 23789966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, rc_list); 23799966ca11SMatthew Ahrens 2380*28e4da25SMatthew Ahrens if (released) { 2381*28e4da25SMatthew Ahrens if (rc_removed_count > 0) 2382*28e4da25SMatthew Ahrens mdb_printf("released holds:\n"); 2383*28e4da25SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_removed", &off) == -1) 2384*28e4da25SMatthew Ahrens return (DCMD_ERR); 2385*28e4da25SMatthew Ahrens rc_removed = addr + off/NBBY; 2386*28e4da25SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_TRUE, rc_removed); 2387*28e4da25SMatthew Ahrens } 23889966ca11SMatthew Ahrens 23899966ca11SMatthew Ahrens return (DCMD_OK); 23909966ca11SMatthew Ahrens } 23919966ca11SMatthew Ahrens 23920a586ceaSMark Shellenbaum /* ARGSUSED */ 23930a586ceaSMark Shellenbaum static int 23940a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23950a586ceaSMark Shellenbaum { 23960a586ceaSMark Shellenbaum sa_attr_table_t *table; 23970a586ceaSMark Shellenbaum sa_os_t sa_os; 23980a586ceaSMark Shellenbaum char *name; 23990a586ceaSMark Shellenbaum int i; 24000a586ceaSMark Shellenbaum 24010a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 24020a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24030a586ceaSMark Shellenbaum return (DCMD_ERR); 24040a586ceaSMark Shellenbaum } 24050a586ceaSMark Shellenbaum 24060a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24070a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24080a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 24090a586ceaSMark Shellenbaum 24100a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24110a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 24120a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24130a586ceaSMark Shellenbaum return (DCMD_ERR); 24140a586ceaSMark Shellenbaum } 24150a586ceaSMark Shellenbaum 24160a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 24170a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 24180a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 24190a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 24200a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 24210a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 24220a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 24230a586ceaSMark Shellenbaum } 24240a586ceaSMark Shellenbaum 24250a586ceaSMark Shellenbaum return (DCMD_OK); 24260a586ceaSMark Shellenbaum } 24270a586ceaSMark Shellenbaum 24280a586ceaSMark Shellenbaum static int 24290a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 24300a586ceaSMark Shellenbaum { 24310a586ceaSMark Shellenbaum uintptr_t idx_table; 24320a586ceaSMark Shellenbaum 2433*28e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 24340a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 24350a586ceaSMark Shellenbaum return (-1); 24360a586ceaSMark Shellenbaum } 24370a586ceaSMark Shellenbaum 24380a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 24390a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24400a586ceaSMark Shellenbaum 24410a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 24420a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 24430a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 24440a586ceaSMark Shellenbaum return (-1); 24450a586ceaSMark Shellenbaum } 24460a586ceaSMark Shellenbaum 24470a586ceaSMark Shellenbaum return (DCMD_OK); 24480a586ceaSMark Shellenbaum } 24490a586ceaSMark Shellenbaum 24500a586ceaSMark Shellenbaum /*ARGSUSED*/ 24510a586ceaSMark Shellenbaum static int 24520a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24530a586ceaSMark Shellenbaum { 24540a586ceaSMark Shellenbaum uint32_t *offset_tab; 24550a586ceaSMark Shellenbaum int attr_count; 24560a586ceaSMark Shellenbaum uint64_t attr_id; 24570a586ceaSMark Shellenbaum uintptr_t attr_addr; 24580a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 24590a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 24600a586ceaSMark Shellenbaum uintptr_t os, os_sa; 24610a586ceaSMark Shellenbaum uintptr_t db_data; 24620a586ceaSMark Shellenbaum 24630a586ceaSMark Shellenbaum if (argc != 1) 24640a586ceaSMark Shellenbaum return (DCMD_USAGE); 24650a586ceaSMark Shellenbaum 24660a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 24670a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 24680a586ceaSMark Shellenbaum else 24690a586ceaSMark Shellenbaum return (DCMD_USAGE); 24700a586ceaSMark Shellenbaum 2471*28e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 2472*28e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 2473*28e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 2474*28e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 2475*28e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 24760a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 24770a586ceaSMark Shellenbaum "in sa_handle\n"); 24780a586ceaSMark Shellenbaum return (DCMD_ERR); 24790a586ceaSMark Shellenbaum } 24800a586ceaSMark Shellenbaum 2481*28e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 24820a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 24830a586ceaSMark Shellenbaum return (DCMD_ERR); 24840a586ceaSMark Shellenbaum } 24850a586ceaSMark Shellenbaum 2486*28e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 24870a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 24880a586ceaSMark Shellenbaum return (DCMD_ERR); 24890a586ceaSMark Shellenbaum } 24900a586ceaSMark Shellenbaum 24910a586ceaSMark Shellenbaum if (attr_id > attr_count) { 24920a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 24930a586ceaSMark Shellenbaum return (DCMD_ERR); 24940a586ceaSMark Shellenbaum } 24950a586ceaSMark Shellenbaum 24960a586ceaSMark Shellenbaum if (bonus_tab) { 24970a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 24980a586ceaSMark Shellenbaum attr_count) == -1) { 24990a586ceaSMark Shellenbaum return (DCMD_ERR); 25000a586ceaSMark Shellenbaum } 25010a586ceaSMark Shellenbaum 2502*28e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 25030a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 25040a586ceaSMark Shellenbaum return (DCMD_ERR); 25050a586ceaSMark Shellenbaum } 25060a586ceaSMark Shellenbaum } 25070a586ceaSMark Shellenbaum 25080a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 25090a586ceaSMark Shellenbaum spill_tab == NULL) { 25100a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25110a586ceaSMark Shellenbaum return (DCMD_ERR); 25120a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 25130a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 25140a586ceaSMark Shellenbaum attr_count) == -1) { 25150a586ceaSMark Shellenbaum return (DCMD_ERR); 25160a586ceaSMark Shellenbaum } 2517*28e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 25180a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 25190a586ceaSMark Shellenbaum return (DCMD_ERR); 25200a586ceaSMark Shellenbaum } 25210a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 25220a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25230a586ceaSMark Shellenbaum return (DCMD_ERR); 25240a586ceaSMark Shellenbaum } 25250a586ceaSMark Shellenbaum } 25260a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 25270a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 25280a586ceaSMark Shellenbaum return (DCMD_OK); 25290a586ceaSMark Shellenbaum } 25300a586ceaSMark Shellenbaum 25310a586ceaSMark Shellenbaum /* ARGSUSED */ 25320a586ceaSMark Shellenbaum static int 25330a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 25340a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 25350a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 25360a586ceaSMark Shellenbaum { 25370a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 25380a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 25390a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 25400a586ceaSMark Shellenbaum 25410a586ceaSMark Shellenbaum if (!verbose) { 25420a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 25430a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 25440a586ceaSMark Shellenbaum return (DCMD_OK); 25450a586ceaSMark Shellenbaum } 25460a586ceaSMark Shellenbaum 25470a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 25480a586ceaSMark Shellenbaum case ACE_OWNER: 25490a586ceaSMark Shellenbaum mdb_printf("owner@:"); 25500a586ceaSMark Shellenbaum break; 25510a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 25520a586ceaSMark Shellenbaum mdb_printf("group@:"); 25530a586ceaSMark Shellenbaum break; 25540a586ceaSMark Shellenbaum case ACE_EVERYONE: 25550a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 25560a586ceaSMark Shellenbaum break; 25570a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 25580a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 25590a586ceaSMark Shellenbaum break; 25600a586ceaSMark Shellenbaum case 0: /* User entry */ 25610a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 25620a586ceaSMark Shellenbaum break; 25630a586ceaSMark Shellenbaum } 25640a586ceaSMark Shellenbaum 25650a586ceaSMark Shellenbaum /* print out permission mask */ 25660a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 25670a586ceaSMark Shellenbaum mdb_printf("r"); 25680a586ceaSMark Shellenbaum else 25690a586ceaSMark Shellenbaum mdb_printf("-"); 25700a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 25710a586ceaSMark Shellenbaum mdb_printf("w"); 25720a586ceaSMark Shellenbaum else 25730a586ceaSMark Shellenbaum mdb_printf("-"); 25740a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 25750a586ceaSMark Shellenbaum mdb_printf("x"); 25760a586ceaSMark Shellenbaum else 25770a586ceaSMark Shellenbaum mdb_printf("-"); 25780a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 25790a586ceaSMark Shellenbaum mdb_printf("p"); 25800a586ceaSMark Shellenbaum else 25810a586ceaSMark Shellenbaum mdb_printf("-"); 25820a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 25830a586ceaSMark Shellenbaum mdb_printf("d"); 25840a586ceaSMark Shellenbaum else 25850a586ceaSMark Shellenbaum mdb_printf("-"); 25860a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 25870a586ceaSMark Shellenbaum mdb_printf("D"); 25880a586ceaSMark Shellenbaum else 25890a586ceaSMark Shellenbaum mdb_printf("-"); 25900a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 25910a586ceaSMark Shellenbaum mdb_printf("a"); 25920a586ceaSMark Shellenbaum else 25930a586ceaSMark Shellenbaum mdb_printf("-"); 25940a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 25950a586ceaSMark Shellenbaum mdb_printf("A"); 25960a586ceaSMark Shellenbaum else 25970a586ceaSMark Shellenbaum mdb_printf("-"); 25980a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 25990a586ceaSMark Shellenbaum mdb_printf("R"); 26000a586ceaSMark Shellenbaum else 26010a586ceaSMark Shellenbaum mdb_printf("-"); 26020a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 26030a586ceaSMark Shellenbaum mdb_printf("W"); 26040a586ceaSMark Shellenbaum else 26050a586ceaSMark Shellenbaum mdb_printf("-"); 26060a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 26070a586ceaSMark Shellenbaum mdb_printf("c"); 26080a586ceaSMark Shellenbaum else 26090a586ceaSMark Shellenbaum mdb_printf("-"); 26100a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 26110a586ceaSMark Shellenbaum mdb_printf("C"); 26120a586ceaSMark Shellenbaum else 26130a586ceaSMark Shellenbaum mdb_printf("-"); 26140a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 26150a586ceaSMark Shellenbaum mdb_printf("o"); 26160a586ceaSMark Shellenbaum else 26170a586ceaSMark Shellenbaum mdb_printf("-"); 26180a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 26190a586ceaSMark Shellenbaum mdb_printf("s"); 26200a586ceaSMark Shellenbaum else 26210a586ceaSMark Shellenbaum mdb_printf("-"); 26220a586ceaSMark Shellenbaum 26230a586ceaSMark Shellenbaum mdb_printf(":"); 26240a586ceaSMark Shellenbaum 26250a586ceaSMark Shellenbaum /* Print out inheritance flags */ 26260a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 26270a586ceaSMark Shellenbaum mdb_printf("f"); 26280a586ceaSMark Shellenbaum else 26290a586ceaSMark Shellenbaum mdb_printf("-"); 26300a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 26310a586ceaSMark Shellenbaum mdb_printf("d"); 26320a586ceaSMark Shellenbaum else 26330a586ceaSMark Shellenbaum mdb_printf("-"); 26340a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 26350a586ceaSMark Shellenbaum mdb_printf("i"); 26360a586ceaSMark Shellenbaum else 26370a586ceaSMark Shellenbaum mdb_printf("-"); 26380a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 26390a586ceaSMark Shellenbaum mdb_printf("n"); 26400a586ceaSMark Shellenbaum else 26410a586ceaSMark Shellenbaum mdb_printf("-"); 26420a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 26430a586ceaSMark Shellenbaum mdb_printf("S"); 26440a586ceaSMark Shellenbaum else 26450a586ceaSMark Shellenbaum mdb_printf("-"); 26460a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 26470a586ceaSMark Shellenbaum mdb_printf("F"); 26480a586ceaSMark Shellenbaum else 26490a586ceaSMark Shellenbaum mdb_printf("-"); 26500a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 26510a586ceaSMark Shellenbaum mdb_printf("I"); 26520a586ceaSMark Shellenbaum else 26530a586ceaSMark Shellenbaum mdb_printf("-"); 26540a586ceaSMark Shellenbaum 26550a586ceaSMark Shellenbaum switch (ace_type) { 26560a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 26570a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 26580a586ceaSMark Shellenbaum break; 26590a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 26600a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 26610a586ceaSMark Shellenbaum break; 26620a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 26630a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 26640a586ceaSMark Shellenbaum break; 26650a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 26660a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 26670a586ceaSMark Shellenbaum break; 26680a586ceaSMark Shellenbaum default: 26690a586ceaSMark Shellenbaum mdb_printf(":?\n"); 26700a586ceaSMark Shellenbaum } 26710a586ceaSMark Shellenbaum return (DCMD_OK); 26720a586ceaSMark Shellenbaum } 26730a586ceaSMark Shellenbaum 26740a586ceaSMark Shellenbaum /* ARGSUSED */ 26750a586ceaSMark Shellenbaum static int 26760a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26770a586ceaSMark Shellenbaum { 26780a586ceaSMark Shellenbaum zfs_ace_t zace; 26790a586ceaSMark Shellenbaum int verbose = FALSE; 26800a586ceaSMark Shellenbaum uint64_t id; 26810a586ceaSMark Shellenbaum 26820a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 26830a586ceaSMark Shellenbaum return (DCMD_USAGE); 26840a586ceaSMark Shellenbaum 26850a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 26860a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 26870a586ceaSMark Shellenbaum return (DCMD_USAGE); 26880a586ceaSMark Shellenbaum 26890a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 26900a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 26910a586ceaSMark Shellenbaum return (DCMD_ERR); 26920a586ceaSMark Shellenbaum } 26930a586ceaSMark Shellenbaum 26940a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 26950a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 26960a586ceaSMark Shellenbaum id = zace.z_fuid; 26970a586ceaSMark Shellenbaum else 26980a586ceaSMark Shellenbaum id = -1; 26990a586ceaSMark Shellenbaum 27000a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 27010a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 27020a586ceaSMark Shellenbaum } 27030a586ceaSMark Shellenbaum 27040a586ceaSMark Shellenbaum /* ARGSUSED */ 27050a586ceaSMark Shellenbaum static int 27060a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27070a586ceaSMark Shellenbaum { 27080a586ceaSMark Shellenbaum ace_t ace; 27090a586ceaSMark Shellenbaum uint64_t id; 27100a586ceaSMark Shellenbaum int verbose = FALSE; 27110a586ceaSMark Shellenbaum 27120a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27130a586ceaSMark Shellenbaum return (DCMD_USAGE); 27140a586ceaSMark Shellenbaum 27150a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27160a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27170a586ceaSMark Shellenbaum return (DCMD_USAGE); 27180a586ceaSMark Shellenbaum 27190a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 27200a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 27210a586ceaSMark Shellenbaum return (DCMD_ERR); 27220a586ceaSMark Shellenbaum } 27230a586ceaSMark Shellenbaum 27240a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 27250a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27260a586ceaSMark Shellenbaum id = ace.a_who; 27270a586ceaSMark Shellenbaum else 27280a586ceaSMark Shellenbaum id = -1; 27290a586ceaSMark Shellenbaum 27300a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 27310a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 27320a586ceaSMark Shellenbaum } 27330a586ceaSMark Shellenbaum 27340a586ceaSMark Shellenbaum typedef struct acl_dump_args { 27350a586ceaSMark Shellenbaum int a_argc; 27360a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 27370a586ceaSMark Shellenbaum uint16_t a_version; 27380a586ceaSMark Shellenbaum int a_flags; 27390a586ceaSMark Shellenbaum } acl_dump_args_t; 27400a586ceaSMark Shellenbaum 27410a586ceaSMark Shellenbaum /* ARGSUSED */ 27420a586ceaSMark Shellenbaum static int 27430a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 27440a586ceaSMark Shellenbaum { 27450a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27460a586ceaSMark Shellenbaum 27470a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27480a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 27490a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27500a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27510a586ceaSMark Shellenbaum return (WALK_ERR); 27520a586ceaSMark Shellenbaum } 27530a586ceaSMark Shellenbaum } else { 27540a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 27550a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27560a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27570a586ceaSMark Shellenbaum return (WALK_ERR); 27580a586ceaSMark Shellenbaum } 27590a586ceaSMark Shellenbaum } 27600a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 27610a586ceaSMark Shellenbaum return (WALK_NEXT); 27620a586ceaSMark Shellenbaum } 27630a586ceaSMark Shellenbaum 27640a586ceaSMark Shellenbaum /* ARGSUSED */ 27650a586ceaSMark Shellenbaum static int 27660a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 27670a586ceaSMark Shellenbaum { 27680a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27690a586ceaSMark Shellenbaum 27700a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27710a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 27720a586ceaSMark Shellenbaum arg, addr) != 0) { 27730a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27740a586ceaSMark Shellenbaum return (DCMD_ERR); 27750a586ceaSMark Shellenbaum } 27760a586ceaSMark Shellenbaum } else { 27770a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 27780a586ceaSMark Shellenbaum arg, addr) != 0) { 27790a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27800a586ceaSMark Shellenbaum return (DCMD_ERR); 27810a586ceaSMark Shellenbaum } 27820a586ceaSMark Shellenbaum } 27830a586ceaSMark Shellenbaum return (WALK_NEXT); 27840a586ceaSMark Shellenbaum } 27850a586ceaSMark Shellenbaum 27860a586ceaSMark Shellenbaum /* ARGSUSED */ 27870a586ceaSMark Shellenbaum static int 27880a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27890a586ceaSMark Shellenbaum { 27900a586ceaSMark Shellenbaum zfs_acl_t zacl; 27910a586ceaSMark Shellenbaum int verbose = FALSE; 27920a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 27930a586ceaSMark Shellenbaum 27940a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27950a586ceaSMark Shellenbaum return (DCMD_USAGE); 27960a586ceaSMark Shellenbaum 27970a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27980a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27990a586ceaSMark Shellenbaum return (DCMD_USAGE); 28000a586ceaSMark Shellenbaum 28010a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 28020a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 28030a586ceaSMark Shellenbaum return (DCMD_ERR); 28040a586ceaSMark Shellenbaum } 28050a586ceaSMark Shellenbaum 28060a586ceaSMark Shellenbaum acl_args.a_argc = argc; 28070a586ceaSMark Shellenbaum acl_args.a_argv = argv; 28080a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 28090a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 28100a586ceaSMark Shellenbaum 28110a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 28120a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 28130a586ceaSMark Shellenbaum return (DCMD_ERR); 28140a586ceaSMark Shellenbaum } 28150a586ceaSMark Shellenbaum 28160a586ceaSMark Shellenbaum return (DCMD_OK); 28170a586ceaSMark Shellenbaum } 28180a586ceaSMark Shellenbaum 28190a586ceaSMark Shellenbaum /* ARGSUSED */ 28200a586ceaSMark Shellenbaum static int 28210a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 28220a586ceaSMark Shellenbaum { 28230a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28240a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28250a586ceaSMark Shellenbaum return (WALK_ERR); 28260a586ceaSMark Shellenbaum } 28270a586ceaSMark Shellenbaum 2828*28e4da25SMatthew Ahrens wsp->walk_addr += 2829*28e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 28300a586ceaSMark Shellenbaum 28310a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 28320a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 28330a586ceaSMark Shellenbaum return (WALK_ERR); 28340a586ceaSMark Shellenbaum } 28350a586ceaSMark Shellenbaum 28360a586ceaSMark Shellenbaum return (WALK_NEXT); 28370a586ceaSMark Shellenbaum } 28380a586ceaSMark Shellenbaum 28390a586ceaSMark Shellenbaum static int 28400a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 28410a586ceaSMark Shellenbaum { 28420a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 28430a586ceaSMark Shellenbaum 28440a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 28450a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 28460a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 28470a586ceaSMark Shellenbaum return (WALK_ERR); 28480a586ceaSMark Shellenbaum } 28490a586ceaSMark Shellenbaum 28500a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 28510a586ceaSMark Shellenbaum } 28520a586ceaSMark Shellenbaum 28530a586ceaSMark Shellenbaum typedef struct ace_walk_data { 28540a586ceaSMark Shellenbaum int ace_count; 28550a586ceaSMark Shellenbaum int ace_version; 28560a586ceaSMark Shellenbaum } ace_walk_data_t; 28570a586ceaSMark Shellenbaum 28580a586ceaSMark Shellenbaum static int 28590a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 28600a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 28610a586ceaSMark Shellenbaum { 28620a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 28630a586ceaSMark Shellenbaum 28640a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28650a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28660a586ceaSMark Shellenbaum return (WALK_ERR); 28670a586ceaSMark Shellenbaum } 28680a586ceaSMark Shellenbaum 28690a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 28700a586ceaSMark Shellenbaum 28710a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 28720a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 28730a586ceaSMark Shellenbaum 28740a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 28750a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 28760a586ceaSMark Shellenbaum 28770a586ceaSMark Shellenbaum return (WALK_NEXT); 28780a586ceaSMark Shellenbaum } 28790a586ceaSMark Shellenbaum 28800a586ceaSMark Shellenbaum static int 28810a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 28820a586ceaSMark Shellenbaum { 28830a586ceaSMark Shellenbaum static int gotid; 28840a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 28850a586ceaSMark Shellenbaum int z_ace_count; 28860a586ceaSMark Shellenbaum uintptr_t z_acldata; 28870a586ceaSMark Shellenbaum 28880a586ceaSMark Shellenbaum if (!gotid) { 28890a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 28900a586ceaSMark Shellenbaum &acl_id) == -1) { 28910a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 28920a586ceaSMark Shellenbaum return (DCMD_ERR); 28930a586ceaSMark Shellenbaum } 28940a586ceaSMark Shellenbaum gotid = TRUE; 28950a586ceaSMark Shellenbaum } 28960a586ceaSMark Shellenbaum 28970a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 28980a586ceaSMark Shellenbaum return (DCMD_ERR); 28990a586ceaSMark Shellenbaum } 29000a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 29010a586ceaSMark Shellenbaum return (DCMD_ERR); 29020a586ceaSMark Shellenbaum } 29030a586ceaSMark Shellenbaum 29040a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 29050a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 29060a586ceaSMark Shellenbaum } 29070a586ceaSMark Shellenbaum 29080a586ceaSMark Shellenbaum /* ARGSUSED */ 29090a586ceaSMark Shellenbaum static int 29100a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 29110a586ceaSMark Shellenbaum { 29120a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 29130a586ceaSMark Shellenbaum } 29140a586ceaSMark Shellenbaum 29150a586ceaSMark Shellenbaum /* ARGSUSED */ 29160a586ceaSMark Shellenbaum static int 29170a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 29180a586ceaSMark Shellenbaum { 29190a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 29200a586ceaSMark Shellenbaum } 29210a586ceaSMark Shellenbaum 29220a586ceaSMark Shellenbaum static int 29230a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 29240a586ceaSMark Shellenbaum { 29250a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 29260a586ceaSMark Shellenbaum zfs_ace_t zace; 29270a586ceaSMark Shellenbaum ace_t *acep; 29280a586ceaSMark Shellenbaum int status; 29290a586ceaSMark Shellenbaum int entry_type; 29300a586ceaSMark Shellenbaum int allow_type; 29310a586ceaSMark Shellenbaum uintptr_t ptr; 29320a586ceaSMark Shellenbaum 29330a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 29340a586ceaSMark Shellenbaum return (WALK_DONE); 29350a586ceaSMark Shellenbaum 29360a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 29370a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 29380a586ceaSMark Shellenbaum wsp->walk_addr); 29390a586ceaSMark Shellenbaum return (WALK_ERR); 29400a586ceaSMark Shellenbaum } 29410a586ceaSMark Shellenbaum 29420a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 29430a586ceaSMark Shellenbaum case 0: 29440a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 29450a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 29460a586ceaSMark Shellenbaum allow_type = acep->a_type; 29470a586ceaSMark Shellenbaum break; 29480a586ceaSMark Shellenbaum case 1: 29490a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 29500a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 29510a586ceaSMark Shellenbaum break; 29520a586ceaSMark Shellenbaum default: 29530a586ceaSMark Shellenbaum return (WALK_ERR); 29540a586ceaSMark Shellenbaum } 29550a586ceaSMark Shellenbaum 29560a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 29570a586ceaSMark Shellenbaum switch (entry_type) { 29580a586ceaSMark Shellenbaum case ACE_OWNER: 29590a586ceaSMark Shellenbaum case ACE_EVERYONE: 29600a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 29610a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29620a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 29630a586ceaSMark Shellenbaum break; 29640a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 29650a586ceaSMark Shellenbaum default: 29660a586ceaSMark Shellenbaum switch (allow_type) { 29670a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 29680a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 29690a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 29700a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 29710a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29720a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 29730a586ceaSMark Shellenbaum break; 29740a586ceaSMark Shellenbaum default: 29750a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29760a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 29770a586ceaSMark Shellenbaum break; 29780a586ceaSMark Shellenbaum } 29790a586ceaSMark Shellenbaum } 29800a586ceaSMark Shellenbaum 29810a586ceaSMark Shellenbaum ace_data->ace_count--; 29820a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 29830a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 29840a586ceaSMark Shellenbaum 29850a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 29860a586ceaSMark Shellenbaum return (status); 29870a586ceaSMark Shellenbaum } 29880a586ceaSMark Shellenbaum 2989*28e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 2990*28e4da25SMatthew Ahrens kthread_t *rr_writer; 2991*28e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 2992*28e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 2993*28e4da25SMatthew Ahrens 2994*28e4da25SMatthew Ahrens static uint_t rrw_key; 2995*28e4da25SMatthew Ahrens 2996*28e4da25SMatthew Ahrens /* ARGSUSED */ 2997*28e4da25SMatthew Ahrens static int 2998*28e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2999*28e4da25SMatthew Ahrens { 3000*28e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 3001*28e4da25SMatthew Ahrens 3002*28e4da25SMatthew Ahrens if (rrw_key == 0) { 3003*28e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 3004*28e4da25SMatthew Ahrens return (DCMD_ERR); 3005*28e4da25SMatthew Ahrens } 3006*28e4da25SMatthew Ahrens 3007*28e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 3008*28e4da25SMatthew Ahrens 0) == -1) 3009*28e4da25SMatthew Ahrens return (DCMD_ERR); 3010*28e4da25SMatthew Ahrens 3011*28e4da25SMatthew Ahrens if (rrw.rr_writer != NULL) { 3012*28e4da25SMatthew Ahrens mdb_printf("write lock held by thread %p\n", rrw.rr_writer); 3013*28e4da25SMatthew Ahrens return (DCMD_OK); 3014*28e4da25SMatthew Ahrens } 3015*28e4da25SMatthew Ahrens 3016*28e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 3017*28e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 3018*28e4da25SMatthew Ahrens } 3019*28e4da25SMatthew Ahrens 3020*28e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 3021*28e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 3022*28e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 3023*28e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 3024*28e4da25SMatthew Ahrens 3025*28e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 3026*28e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 3027*28e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 3028*28e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 3029*28e4da25SMatthew Ahrens 3030*28e4da25SMatthew Ahrens /* 3031*28e4da25SMatthew Ahrens * XXX This should find references from 3032*28e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 3033*28e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 3034*28e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 3035*28e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 3036*28e4da25SMatthew Ahrens */ 3037*28e4da25SMatthew Ahrens 3038*28e4da25SMatthew Ahrens return (DCMD_OK); 3039*28e4da25SMatthew Ahrens } 3040*28e4da25SMatthew Ahrens 3041fa9e4066Sahrens /* 3042fa9e4066Sahrens * MDB module linkage information: 3043fa9e4066Sahrens * 3044fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3045fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3046fa9e4066Sahrens */ 3047fa9e4066Sahrens 3048fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 304991ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3050fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3051fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3052fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3053fa9e4066Sahrens { "dbufs", 30544223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3055a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3056a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3057a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3058fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3059a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3060a3f829aeSBill Moore abuf_find }, 3061fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 3062fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3063fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 3064fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 3065fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 306691ebeef5Sahrens { "vdev", ":[-re]\n" 3067a3f829aeSBill Moore "\t-r display recursively\n" 3068a3f829aeSBill Moore "\t-e print statistics", 3069a3f829aeSBill Moore "vdev_t summary", vdev_print }, 3070a3f829aeSBill Moore { "zio", ":[cpr]\n" 3071a3f829aeSBill Moore "\t-c display children\n" 3072a3f829aeSBill Moore "\t-p display parents\n" 3073a3f829aeSBill Moore "\t-r display recursively", 3074a3f829aeSBill Moore "zio_t summary", zio_print }, 3075ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3076ccae0b50Seschrock "for a particular pool", zio_state }, 307788b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 307888b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 307988b7b0f2SMatthew Ahrens zfs_blkstats }, 3080614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 3081*28e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 3082*28e4da25SMatthew Ahrens "\t-r display recently removed references", 3083*28e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 30843f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 30850a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 30860a586ceaSMark Shellenbaum zfs_acl_dump }, 30870a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 30880a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 30890a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 30900a586ceaSMark Shellenbaum sa_attr_table}, 30910a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 30920a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 3093*28e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 30943f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 3095*28e4da25SMatthew Ahrens { "rrwlock", ":", 3096*28e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3097fa9e4066Sahrens { NULL } 3098fa9e4066Sahrens }; 3099fa9e4066Sahrens 3100fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3101fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 3102*28e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3103fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 3104*28e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3105fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 3106*28e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3107fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 3108*28e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3109fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 3110*28e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3111fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 3112*28e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3113ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 3114*28e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 3115*28e4da25SMatthew Ahrens { "zio_root", 3116*28e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 3117*28e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 3118fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 3119*28e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 31205f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 3121*28e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 31220a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 31230a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 31240a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 31250a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 31260a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 31270a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 31280a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3129fa9e4066Sahrens { NULL } 3130fa9e4066Sahrens }; 3131fa9e4066Sahrens 3132fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3133fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3134fa9e4066Sahrens }; 3135fa9e4066Sahrens 3136fa9e4066Sahrens const mdb_modinfo_t * 3137fa9e4066Sahrens _mdb_init(void) 3138fa9e4066Sahrens { 3139fa9e4066Sahrens return (&modinfo); 3140fa9e4066Sahrens } 3141