1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6*ea8dc4b6Seschrock * 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 /* 22*ea8dc4b6Seschrock * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 27fa9e4066Sahrens 28fa9e4066Sahrens #include <mdb/mdb_ctf.h> 29fa9e4066Sahrens #include <sys/zfs_context.h> 30fa9e4066Sahrens #include <sys/mdb_modapi.h> 31fa9e4066Sahrens #include <sys/dbuf.h> 32fa9e4066Sahrens #include <sys/dmu_objset.h> 33fa9e4066Sahrens #include <sys/dsl_dir.h> 34fa9e4066Sahrens #include <sys/dsl_pool.h> 35fa9e4066Sahrens #include <sys/metaslab_impl.h> 36fa9e4066Sahrens #include <sys/space_map.h> 37fa9e4066Sahrens #include <sys/list.h> 38fa9e4066Sahrens #include <sys/spa_impl.h> 39fa9e4066Sahrens #include <sys/vdev_impl.h> 40fa9e4066Sahrens #include <sys/zio_compress.h> 41fa9e4066Sahrens 42fa9e4066Sahrens #ifndef _KERNEL 43fa9e4066Sahrens #include "../genunix/list.h" 44fa9e4066Sahrens #endif 45fa9e4066Sahrens 46fa9e4066Sahrens #ifdef _KERNEL 47fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 48fa9e4066Sahrens #else 49fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 50fa9e4066Sahrens #endif 51fa9e4066Sahrens 52fa9e4066Sahrens static char * 53fa9e4066Sahrens local_strdup(const char *s) 54fa9e4066Sahrens { 55fa9e4066Sahrens char *s1 = mdb_alloc(strlen(s) + 1, UM_SLEEP); 56fa9e4066Sahrens 57fa9e4066Sahrens (void) strcpy(s1, s); 58fa9e4066Sahrens return (s1); 59fa9e4066Sahrens } 60fa9e4066Sahrens 61fa9e4066Sahrens static int 62fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 63fa9e4066Sahrens const char *member, int len, void *buf) 64fa9e4066Sahrens { 65fa9e4066Sahrens mdb_ctf_id_t id; 66fa9e4066Sahrens ulong_t off; 67fa9e4066Sahrens char name[64]; 68fa9e4066Sahrens 69fa9e4066Sahrens if (idp == NULL) { 70fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 71fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 72fa9e4066Sahrens return (DCMD_ERR); 73fa9e4066Sahrens } 74fa9e4066Sahrens idp = &id; 75fa9e4066Sahrens } else { 76fa9e4066Sahrens type = name; 77fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 78fa9e4066Sahrens } 79fa9e4066Sahrens 80fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 81fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 82fa9e4066Sahrens return (DCMD_ERR); 83fa9e4066Sahrens } 84fa9e4066Sahrens if (off % 8 != 0) { 85fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 86fa9e4066Sahrens member, type); 87fa9e4066Sahrens return (DCMD_ERR); 88fa9e4066Sahrens } 89fa9e4066Sahrens off /= 8; 90fa9e4066Sahrens 91fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 92fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 93fa9e4066Sahrens member, type, addr + off); 94fa9e4066Sahrens return (DCMD_ERR); 95fa9e4066Sahrens } 96fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 97fa9e4066Sahrens 98fa9e4066Sahrens return (0); 99fa9e4066Sahrens } 100fa9e4066Sahrens 101fa9e4066Sahrens #define GETMEMB(addr, type, member, dest) \ 102fa9e4066Sahrens getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) 103fa9e4066Sahrens 104fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 105fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 106fa9e4066Sahrens 107fa9e4066Sahrens static int 108fa9e4066Sahrens getrefcount(uintptr_t addr, mdb_ctf_id_t *id, 109fa9e4066Sahrens const char *member, uint64_t *rc) 110fa9e4066Sahrens { 111fa9e4066Sahrens static int gotid; 112fa9e4066Sahrens static mdb_ctf_id_t rc_id; 113fa9e4066Sahrens ulong_t off; 114fa9e4066Sahrens 115fa9e4066Sahrens if (!gotid) { 116fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 117fa9e4066Sahrens mdb_warn("couldn't find struct refcount"); 118fa9e4066Sahrens return (DCMD_ERR); 119fa9e4066Sahrens } 120fa9e4066Sahrens gotid = TRUE; 121fa9e4066Sahrens } 122fa9e4066Sahrens 123fa9e4066Sahrens if (mdb_ctf_offsetof(*id, member, &off) == -1) { 124fa9e4066Sahrens char name[64]; 125fa9e4066Sahrens mdb_ctf_type_name(*id, name, sizeof (name)); 126fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, name); 127fa9e4066Sahrens return (DCMD_ERR); 128fa9e4066Sahrens } 129fa9e4066Sahrens off /= 8; 130fa9e4066Sahrens 131fa9e4066Sahrens return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); 132fa9e4066Sahrens } 133fa9e4066Sahrens 134fa9e4066Sahrens static int 135fa9e4066Sahrens read_symbol(char *sym_name, void **bufp) 136fa9e4066Sahrens { 137fa9e4066Sahrens GElf_Sym sym; 138fa9e4066Sahrens 139fa9e4066Sahrens if (mdb_lookup_by_obj(MDB_TGT_OBJ_EVERY, sym_name, &sym)) { 140fa9e4066Sahrens mdb_warn("can't find symbol %s", sym_name); 141fa9e4066Sahrens return (DCMD_ERR); 142fa9e4066Sahrens } 143fa9e4066Sahrens 144fa9e4066Sahrens *bufp = mdb_alloc(sym.st_size, UM_SLEEP); 145fa9e4066Sahrens 146fa9e4066Sahrens if (mdb_vread(*bufp, sym.st_size, sym.st_value) == -1) { 147fa9e4066Sahrens mdb_warn("can't read data for symbol %s", sym_name); 148fa9e4066Sahrens mdb_free(*bufp, sym.st_size); 149fa9e4066Sahrens return (DCMD_ERR); 150fa9e4066Sahrens } 151fa9e4066Sahrens 152fa9e4066Sahrens return (DCMD_OK); 153fa9e4066Sahrens } 154fa9e4066Sahrens 155fa9e4066Sahrens static int verbose; 156fa9e4066Sahrens 157fa9e4066Sahrens static int 158fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 159fa9e4066Sahrens { 160fa9e4066Sahrens if (wsp->walk_addr == NULL) { 161fa9e4066Sahrens mdb_warn("must supply starting address\n"); 162fa9e4066Sahrens return (WALK_ERR); 163fa9e4066Sahrens } 164fa9e4066Sahrens 165fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 166fa9e4066Sahrens return (WALK_NEXT); 167fa9e4066Sahrens } 168fa9e4066Sahrens 169fa9e4066Sahrens static int 170fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 171fa9e4066Sahrens { 172fa9e4066Sahrens uint64_t entry; 173fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 174fa9e4066Sahrens char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID" }; 175fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 176fa9e4066Sahrens 177fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 178fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 179fa9e4066Sahrens return (WALK_DONE); 180fa9e4066Sahrens } 181fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 182fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 183fa9e4066Sahrens 184fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 185fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 186fa9e4066Sahrens number, 187fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 188fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 189fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 190fa9e4066Sahrens } else { 191fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 192fa9e4066Sahrens "size=%06llx", number, 193fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 194fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 195fa9e4066Sahrens mapshift, 196fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 197fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 198fa9e4066Sahrens if (verbose) 199fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 200fa9e4066Sahrens mdb_printf("\n"); 201fa9e4066Sahrens } 202fa9e4066Sahrens return (WALK_NEXT); 203fa9e4066Sahrens } 204fa9e4066Sahrens 205fa9e4066Sahrens /* ARGSUSED */ 206fa9e4066Sahrens static void 207fa9e4066Sahrens freelist_walk_fini(mdb_walk_state_t *wsp) 208fa9e4066Sahrens { 209fa9e4066Sahrens } 210fa9e4066Sahrens 211fa9e4066Sahrens typedef struct dbuf_walk_data { 212fa9e4066Sahrens dbuf_hash_table_t ht; 213fa9e4066Sahrens int64_t bucket; 214fa9e4066Sahrens uintptr_t dbp; 215fa9e4066Sahrens dmu_buf_impl_t db; 216fa9e4066Sahrens } dbuf_walk_data_t; 217fa9e4066Sahrens 218fa9e4066Sahrens static int 219fa9e4066Sahrens dbuf_walk_init(mdb_walk_state_t *wsp) 220fa9e4066Sahrens { 221fa9e4066Sahrens dbuf_walk_data_t *dwd; 222fa9e4066Sahrens 223fa9e4066Sahrens if (wsp->walk_addr != NULL) { 224fa9e4066Sahrens mdb_warn("must supply starting address\n"); 225fa9e4066Sahrens return (WALK_ERR); 226fa9e4066Sahrens } 227fa9e4066Sahrens 228fa9e4066Sahrens dwd = mdb_alloc(sizeof (dbuf_walk_data_t), UM_SLEEP); 229fa9e4066Sahrens 230fa9e4066Sahrens if (mdb_readvar(&dwd->ht, "dbuf_hash_table") == -1) { 231fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 232fa9e4066Sahrens mdb_free(dwd, sizeof (dbuf_walk_data_t)); 233fa9e4066Sahrens return (WALK_ERR); 234fa9e4066Sahrens } 235fa9e4066Sahrens dwd->bucket = -1; 236fa9e4066Sahrens dwd->dbp = 0; 237fa9e4066Sahrens wsp->walk_data = dwd; 238fa9e4066Sahrens return (WALK_NEXT); 239fa9e4066Sahrens } 240fa9e4066Sahrens 241fa9e4066Sahrens static int 242fa9e4066Sahrens dbuf_walk_step(mdb_walk_state_t *wsp) 243fa9e4066Sahrens { 244fa9e4066Sahrens int status; 245fa9e4066Sahrens dbuf_walk_data_t *dwd = wsp->walk_data; 246fa9e4066Sahrens 247fa9e4066Sahrens while (dwd->dbp == 0) { 248fa9e4066Sahrens dwd->bucket++; 249fa9e4066Sahrens if (dwd->bucket == dwd->ht.hash_table_mask+1) 250fa9e4066Sahrens return (WALK_DONE); 251fa9e4066Sahrens 252fa9e4066Sahrens if (mdb_vread(&dwd->dbp, sizeof (void *), 253fa9e4066Sahrens (uintptr_t)(dwd->ht.hash_table+dwd->bucket)) == -1) { 254fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 255fa9e4066Sahrens dwd->bucket, dwd->ht.hash_table+dwd->bucket); 256fa9e4066Sahrens return (WALK_DONE); 257fa9e4066Sahrens } 258fa9e4066Sahrens } 259fa9e4066Sahrens 260fa9e4066Sahrens wsp->walk_addr = dwd->dbp; 261fa9e4066Sahrens if (mdb_vread(&dwd->db, sizeof (dmu_buf_impl_t), 262fa9e4066Sahrens wsp->walk_addr) == -1) { 263fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", wsp->walk_addr); 264fa9e4066Sahrens return (WALK_DONE); 265fa9e4066Sahrens } 266fa9e4066Sahrens status = wsp->walk_callback(wsp->walk_addr, &dwd->db, wsp->walk_cbdata); 267fa9e4066Sahrens 268fa9e4066Sahrens dwd->dbp = (uintptr_t)dwd->db.db_hash_next; 269fa9e4066Sahrens return (status); 270fa9e4066Sahrens } 271fa9e4066Sahrens 272fa9e4066Sahrens static void 273fa9e4066Sahrens dbuf_walk_fini(mdb_walk_state_t *wsp) 274fa9e4066Sahrens { 275fa9e4066Sahrens dbuf_walk_data_t *dwd = wsp->walk_data; 276fa9e4066Sahrens mdb_free(dwd, sizeof (dbuf_walk_data_t)); 277fa9e4066Sahrens } 278fa9e4066Sahrens 279fa9e4066Sahrens static int 280fa9e4066Sahrens dataset_name(uintptr_t addr, char *buf) 281fa9e4066Sahrens { 282fa9e4066Sahrens static int gotid; 283fa9e4066Sahrens static mdb_ctf_id_t dd_id; 284fa9e4066Sahrens uintptr_t dd_parent; 285fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 286fa9e4066Sahrens 287fa9e4066Sahrens if (!gotid) { 288fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dir", 289fa9e4066Sahrens &dd_id) == -1) { 290fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 291fa9e4066Sahrens return (DCMD_ERR); 292fa9e4066Sahrens } 293fa9e4066Sahrens gotid = TRUE; 294fa9e4066Sahrens } 295fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 296fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 297fa9e4066Sahrens return (DCMD_ERR); 298fa9e4066Sahrens } 299fa9e4066Sahrens 300fa9e4066Sahrens if (dd_parent) { 301fa9e4066Sahrens if (dataset_name(dd_parent, buf)) 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens strcat(buf, "/"); 304fa9e4066Sahrens } 305fa9e4066Sahrens 306fa9e4066Sahrens if (dd_myname[0]) 307fa9e4066Sahrens strcat(buf, dd_myname); 308fa9e4066Sahrens else 309fa9e4066Sahrens strcat(buf, "???"); 310fa9e4066Sahrens 311fa9e4066Sahrens return (0); 312fa9e4066Sahrens } 313fa9e4066Sahrens 314fa9e4066Sahrens static int 315fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 316fa9e4066Sahrens { 317fa9e4066Sahrens static int gotid; 318fa9e4066Sahrens static mdb_ctf_id_t osi_id, ds_id; 319fa9e4066Sahrens uintptr_t os_dsl_dataset; 320fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 321fa9e4066Sahrens uintptr_t ds_dir; 322fa9e4066Sahrens 323fa9e4066Sahrens buf[0] = '\0'; 324fa9e4066Sahrens 325fa9e4066Sahrens if (!gotid) { 326fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct objset_impl", 327fa9e4066Sahrens &osi_id) == -1) { 328fa9e4066Sahrens mdb_warn("couldn't find struct objset_impl"); 329fa9e4066Sahrens return (DCMD_ERR); 330fa9e4066Sahrens } 331fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dataset", 332fa9e4066Sahrens &ds_id) == -1) { 333fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 334fa9e4066Sahrens return (DCMD_ERR); 335fa9e4066Sahrens } 336fa9e4066Sahrens 337fa9e4066Sahrens gotid = TRUE; 338fa9e4066Sahrens } 339fa9e4066Sahrens 340fa9e4066Sahrens if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset)) 341fa9e4066Sahrens return (DCMD_ERR); 342fa9e4066Sahrens 343fa9e4066Sahrens if (os_dsl_dataset == 0) { 344fa9e4066Sahrens strcat(buf, "mos"); 345fa9e4066Sahrens return (0); 346fa9e4066Sahrens } 347fa9e4066Sahrens 348fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 349fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 350fa9e4066Sahrens return (DCMD_ERR); 351fa9e4066Sahrens } 352fa9e4066Sahrens 353fa9e4066Sahrens if (ds_dir && dataset_name(ds_dir, buf)) 354fa9e4066Sahrens return (DCMD_ERR); 355fa9e4066Sahrens 356fa9e4066Sahrens if (ds_snapname[0]) { 357fa9e4066Sahrens strcat(buf, "@"); 358fa9e4066Sahrens strcat(buf, ds_snapname); 359fa9e4066Sahrens } 360fa9e4066Sahrens return (0); 361fa9e4066Sahrens } 362fa9e4066Sahrens 363fa9e4066Sahrens static void 364fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 365fa9e4066Sahrens const char *prefix) 366fa9e4066Sahrens { 367fa9e4066Sahrens const char *cp; 368fa9e4066Sahrens size_t len = strlen(prefix); 369fa9e4066Sahrens 370fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 371fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 372fa9e4066Sahrens cp += len; 373fa9e4066Sahrens (void) strncpy(out, cp, size); 374fa9e4066Sahrens } else { 375fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 376fa9e4066Sahrens } 377fa9e4066Sahrens } 378fa9e4066Sahrens 379fa9e4066Sahrens /* ARGSUSED */ 380fa9e4066Sahrens static int 381fa9e4066Sahrens zio_pipeline(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 382fa9e4066Sahrens { 383fa9e4066Sahrens mdb_ctf_id_t pipe_enum; 384fa9e4066Sahrens int i; 385fa9e4066Sahrens char stage[1024]; 386fa9e4066Sahrens 387fa9e4066Sahrens if (mdb_ctf_lookup_by_name("enum zio_stage", &pipe_enum) == -1) { 388fa9e4066Sahrens mdb_warn("Could not find enum zio_stage"); 389fa9e4066Sahrens return (DCMD_ERR); 390fa9e4066Sahrens } 391fa9e4066Sahrens 392fa9e4066Sahrens for (i = 0; i < 32; i++) { 393fa9e4066Sahrens if (addr & (1U << i)) { 394fa9e4066Sahrens enum_lookup(stage, sizeof (stage), pipe_enum, i, 395fa9e4066Sahrens "ZIO_STAGE_"); 396fa9e4066Sahrens mdb_printf(" %s\n", stage); 397fa9e4066Sahrens } 398fa9e4066Sahrens } 399fa9e4066Sahrens 400fa9e4066Sahrens return (DCMD_OK); 401fa9e4066Sahrens } 402fa9e4066Sahrens 403fa9e4066Sahrens /* ARGSUSED */ 404fa9e4066Sahrens static int 405fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 406fa9e4066Sahrens { 407fa9e4066Sahrens blkptr_t bp; 408fa9e4066Sahrens dva_t *dva; 409fa9e4066Sahrens dmu_object_type_info_t *doti; 410fa9e4066Sahrens zio_compress_info_t *zct; 411fa9e4066Sahrens zio_checksum_info_t *zci; 412fa9e4066Sahrens int i; 413fa9e4066Sahrens char buf[MAXPATHLEN]; 414fa9e4066Sahrens 415fa9e4066Sahrens if (mdb_vread(&bp, sizeof (blkptr_t), addr) == -1) { 416fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 417fa9e4066Sahrens return (DCMD_ERR); 418fa9e4066Sahrens } 419fa9e4066Sahrens 420fa9e4066Sahrens if (read_symbol("dmu_ot", (void **)&doti) != DCMD_OK) 421fa9e4066Sahrens return (DCMD_ERR); 422fa9e4066Sahrens for (i = 0; i < DMU_OT_NUMTYPES; i++) { 423fa9e4066Sahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)doti[i].ot_name); 424fa9e4066Sahrens doti[i].ot_name = local_strdup(buf); 425fa9e4066Sahrens } 426fa9e4066Sahrens 427fa9e4066Sahrens if (read_symbol("zio_checksum_table", (void **)&zci) != DCMD_OK) 428fa9e4066Sahrens return (DCMD_ERR); 429fa9e4066Sahrens for (i = 0; i < ZIO_CHECKSUM_FUNCTIONS; i++) { 430fa9e4066Sahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)zci[i].ci_name); 431fa9e4066Sahrens zci[i].ci_name = local_strdup(buf); 432fa9e4066Sahrens } 433fa9e4066Sahrens 434fa9e4066Sahrens if (read_symbol("zio_compress_table", (void **)&zct) != DCMD_OK) 435fa9e4066Sahrens return (DCMD_ERR); 436fa9e4066Sahrens for (i = 0; i < ZIO_COMPRESS_FUNCTIONS; i++) { 437fa9e4066Sahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)zct[i].ci_name); 438fa9e4066Sahrens zct[i].ci_name = local_strdup(buf); 439fa9e4066Sahrens } 440fa9e4066Sahrens 441fa9e4066Sahrens for (i = 0; i < SPA_DVAS_PER_BP; i++) { 442fa9e4066Sahrens dva = &bp.blk_dva[i]; 443fa9e4066Sahrens mdb_printf("DVA[%d]: vdev_id %lld / %llx\n", i, 444fa9e4066Sahrens DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva)); 445fa9e4066Sahrens mdb_printf("DVA[%d]: GRID: %04x\t" 446fa9e4066Sahrens "ASIZE: %llx\n", i, DVA_GET_GRID(dva), DVA_GET_ASIZE(dva)); 447fa9e4066Sahrens } 448fa9e4066Sahrens mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n", 449fa9e4066Sahrens BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp)); 450fa9e4066Sahrens mdb_printf("ENDIAN: %6s GANG: %-5s\tTYPE: %s\n", 451fa9e4066Sahrens BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG", 452fa9e4066Sahrens DVA_GET_GANG(dva) ? "TRUE" : "FALSE", 453fa9e4066Sahrens doti[BP_GET_TYPE(&bp)].ot_name); 454fa9e4066Sahrens mdb_printf("BIRTH: %-16llx LEVEL: %-2d\tFILL: %llx\n", 455fa9e4066Sahrens bp.blk_birth, BP_GET_LEVEL(&bp), bp.blk_fill); 456fa9e4066Sahrens mdb_printf("CKFUNC: %-16s\t\tCOMP: %s\n", 457fa9e4066Sahrens zci[BP_GET_CHECKSUM(&bp)].ci_name, 458fa9e4066Sahrens zct[BP_GET_COMPRESS(&bp)].ci_name); 459fa9e4066Sahrens mdb_printf("CKSUM: %llx:%llx:%llx:%llx\n", 460fa9e4066Sahrens bp.blk_cksum.zc_word[0], 461fa9e4066Sahrens bp.blk_cksum.zc_word[1], 462fa9e4066Sahrens bp.blk_cksum.zc_word[2], 463fa9e4066Sahrens bp.blk_cksum.zc_word[3]); 464fa9e4066Sahrens 465fa9e4066Sahrens return (DCMD_OK); 466fa9e4066Sahrens } 467fa9e4066Sahrens 468fa9e4066Sahrens /* ARGSUSED */ 469fa9e4066Sahrens static int 470fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 471fa9e4066Sahrens { 472fa9e4066Sahrens mdb_ctf_id_t id; 473fa9e4066Sahrens dmu_buf_t db; 474fa9e4066Sahrens uintptr_t objset; 475fa9e4066Sahrens uint8_t level; 476fa9e4066Sahrens uint64_t blkid; 477fa9e4066Sahrens uint64_t holds; 478fa9e4066Sahrens char objectname[32]; 479fa9e4066Sahrens char blkidname[32]; 480fa9e4066Sahrens char path[MAXNAMELEN]; 481fa9e4066Sahrens 482fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) { 483fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 484fa9e4066Sahrens } 485fa9e4066Sahrens 486fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) { 487fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 488fa9e4066Sahrens return (DCMD_ERR); 489fa9e4066Sahrens } 490fa9e4066Sahrens 491fa9e4066Sahrens if (GETMEMBID(addr, &id, db_objset, objset) || 492fa9e4066Sahrens GETMEMBID(addr, &id, db, db) || 493fa9e4066Sahrens GETMEMBID(addr, &id, db_level, level) || 494fa9e4066Sahrens GETMEMBID(addr, &id, db_blkid, blkid)) { 495fa9e4066Sahrens return (WALK_ERR); 496fa9e4066Sahrens } 497fa9e4066Sahrens 498fa9e4066Sahrens if (getrefcount(addr, &id, "db_holds", &holds)) { 499fa9e4066Sahrens return (WALK_ERR); 500fa9e4066Sahrens } 501fa9e4066Sahrens 502fa9e4066Sahrens if (db.db_object == DMU_META_DNODE_OBJECT) 503fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 504fa9e4066Sahrens else 505fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 506fa9e4066Sahrens (u_longlong_t)db.db_object); 507fa9e4066Sahrens 508fa9e4066Sahrens if (blkid == DB_BONUS_BLKID) 509fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 510fa9e4066Sahrens else 511fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 512fa9e4066Sahrens (u_longlong_t)blkid); 513fa9e4066Sahrens 514fa9e4066Sahrens if (objset_name(objset, path)) { 515fa9e4066Sahrens return (WALK_ERR); 516fa9e4066Sahrens } 517fa9e4066Sahrens 518fa9e4066Sahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", 519fa9e4066Sahrens addr, objectname, level, blkidname, holds, path); 520fa9e4066Sahrens 521fa9e4066Sahrens return (DCMD_OK); 522fa9e4066Sahrens } 523fa9e4066Sahrens 524fa9e4066Sahrens /* ARGSUSED */ 525fa9e4066Sahrens static int 526fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 527fa9e4066Sahrens { 528fa9e4066Sahrens #define HISTOSZ 32 529fa9e4066Sahrens uintptr_t dbp; 530fa9e4066Sahrens dmu_buf_impl_t db; 531fa9e4066Sahrens dbuf_hash_table_t ht; 532fa9e4066Sahrens uint64_t bucket, ndbufs; 533fa9e4066Sahrens uint64_t histo[HISTOSZ]; 534fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 535fa9e4066Sahrens int i, maxidx; 536fa9e4066Sahrens 537fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 538fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 539fa9e4066Sahrens return (DCMD_ERR); 540fa9e4066Sahrens } 541fa9e4066Sahrens 542fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 543fa9e4066Sahrens histo[i] = 0; 544fa9e4066Sahrens histo2[i] = 0; 545fa9e4066Sahrens } 546fa9e4066Sahrens 547fa9e4066Sahrens ndbufs = 0; 548fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 549fa9e4066Sahrens int len; 550fa9e4066Sahrens 551fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 552fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 553fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 554fa9e4066Sahrens bucket, ht.hash_table+bucket); 555fa9e4066Sahrens return (DCMD_ERR); 556fa9e4066Sahrens } 557fa9e4066Sahrens 558fa9e4066Sahrens len = 0; 559fa9e4066Sahrens while (dbp != 0) { 560fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 561fa9e4066Sahrens dbp) == -1) { 562fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 563fa9e4066Sahrens return (DCMD_ERR); 564fa9e4066Sahrens } 565fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 566fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 567fa9e4066Sahrens histo2[i]++; 568fa9e4066Sahrens len++; 569fa9e4066Sahrens ndbufs++; 570fa9e4066Sahrens } 571fa9e4066Sahrens 572fa9e4066Sahrens if (len >= HISTOSZ) 573fa9e4066Sahrens len = HISTOSZ-1; 574fa9e4066Sahrens histo[len]++; 575fa9e4066Sahrens } 576fa9e4066Sahrens 577fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 578fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 579fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 580fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 581fa9e4066Sahrens 582fa9e4066Sahrens mdb_printf("\n"); 583fa9e4066Sahrens maxidx = 0; 584fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 585fa9e4066Sahrens if (histo[i] > 0) 586fa9e4066Sahrens maxidx = i; 587fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 588fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 589fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 590fa9e4066Sahrens 591fa9e4066Sahrens mdb_printf("\n"); 592fa9e4066Sahrens maxidx = 0; 593fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 594fa9e4066Sahrens if (histo2[i] > 0) 595fa9e4066Sahrens maxidx = i; 596fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 597fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 598fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 599fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 600fa9e4066Sahrens 601fa9e4066Sahrens 602fa9e4066Sahrens return (DCMD_OK); 603fa9e4066Sahrens } 604fa9e4066Sahrens 605fa9e4066Sahrens typedef struct dbufs_data { 606fa9e4066Sahrens mdb_ctf_id_t id; 607fa9e4066Sahrens uint64_t objset; 608fa9e4066Sahrens uint64_t object; 609fa9e4066Sahrens uint64_t level; 610fa9e4066Sahrens uint64_t blkid; 611fa9e4066Sahrens char *osname; 612fa9e4066Sahrens } dbufs_data_t; 613fa9e4066Sahrens 614fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 615fa9e4066Sahrens 616fa9e4066Sahrens /* ARGSUSED */ 617fa9e4066Sahrens static int 618fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 619fa9e4066Sahrens { 620fa9e4066Sahrens dbufs_data_t *data = arg; 621fa9e4066Sahrens uintptr_t objset; 622fa9e4066Sahrens dmu_buf_t db; 623fa9e4066Sahrens uint8_t level; 624fa9e4066Sahrens uint64_t blkid; 625fa9e4066Sahrens char osname[MAXNAMELEN]; 626fa9e4066Sahrens 627fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 628fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 629fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 630fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 631fa9e4066Sahrens return (WALK_ERR); 632fa9e4066Sahrens } 633fa9e4066Sahrens 634fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 635fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 636fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 637fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 638fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 639fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 640fa9e4066Sahrens mdb_printf("%#lr\n", addr); 641fa9e4066Sahrens } 642fa9e4066Sahrens return (WALK_NEXT); 643fa9e4066Sahrens } 644fa9e4066Sahrens 645fa9e4066Sahrens /* ARGSUSED */ 646fa9e4066Sahrens static int 647fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 648fa9e4066Sahrens { 649fa9e4066Sahrens dbufs_data_t data; 650fa9e4066Sahrens char *object = NULL; 651fa9e4066Sahrens char *blkid = NULL; 652fa9e4066Sahrens 653fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 654fa9e4066Sahrens data.osname = NULL; 655fa9e4066Sahrens 656fa9e4066Sahrens if (mdb_getopts(argc, argv, 657fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 658fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 659fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 660fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 661fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 662fa9e4066Sahrens return (DCMD_USAGE); 663fa9e4066Sahrens } 664fa9e4066Sahrens 665fa9e4066Sahrens if (object) { 666fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 667fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 668fa9e4066Sahrens } else { 669fa9e4066Sahrens data.object = mdb_strtoull(object); 670fa9e4066Sahrens } 671fa9e4066Sahrens } 672fa9e4066Sahrens 673fa9e4066Sahrens if (blkid) { 674fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 675fa9e4066Sahrens data.blkid = DB_BONUS_BLKID; 676fa9e4066Sahrens } else { 677fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 678fa9e4066Sahrens } 679fa9e4066Sahrens } 680fa9e4066Sahrens 681fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) { 682fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 683fa9e4066Sahrens return (DCMD_ERR); 684fa9e4066Sahrens } 685fa9e4066Sahrens 686fa9e4066Sahrens if (mdb_pwalk("dbufs", dbufs_cb, &data, 0) != 0) { 687fa9e4066Sahrens mdb_warn("can't walk dbufs"); 688fa9e4066Sahrens return (DCMD_ERR); 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens return (DCMD_OK); 692fa9e4066Sahrens } 693fa9e4066Sahrens 694fa9e4066Sahrens typedef struct abuf_find_data { 695fa9e4066Sahrens dva_t dva; 696fa9e4066Sahrens mdb_ctf_id_t id; 697fa9e4066Sahrens } abuf_find_data_t; 698fa9e4066Sahrens 699fa9e4066Sahrens /* ARGSUSED */ 700fa9e4066Sahrens static int 701fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 702fa9e4066Sahrens { 703fa9e4066Sahrens abuf_find_data_t *data = arg; 704fa9e4066Sahrens dva_t dva; 705fa9e4066Sahrens 706fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 707fa9e4066Sahrens return (WALK_ERR); 708fa9e4066Sahrens } 709fa9e4066Sahrens 710fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 711fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 712fa9e4066Sahrens mdb_printf("%#lr\n", addr); 713fa9e4066Sahrens } 714fa9e4066Sahrens return (WALK_NEXT); 715fa9e4066Sahrens } 716fa9e4066Sahrens 717fa9e4066Sahrens /* ARGSUSED */ 718fa9e4066Sahrens static int 719fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 720fa9e4066Sahrens { 721fa9e4066Sahrens abuf_find_data_t data; 722fa9e4066Sahrens GElf_Sym sym; 723fa9e4066Sahrens int i; 724fa9e4066Sahrens const char *syms[] = { 725fa9e4066Sahrens "ARC_mru_top", 726fa9e4066Sahrens "ARC_mru_bot", 727fa9e4066Sahrens "ARC_mfu_top", 728fa9e4066Sahrens "ARC_mfu_bot", 729fa9e4066Sahrens }; 730fa9e4066Sahrens 731fa9e4066Sahrens if (argc != 2) 732fa9e4066Sahrens return (DCMD_USAGE); 733fa9e4066Sahrens 734fa9e4066Sahrens for (i = 0; i < 2; i ++) { 735fa9e4066Sahrens switch (argv[i].a_type) { 736fa9e4066Sahrens case MDB_TYPE_STRING: 737fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 738fa9e4066Sahrens break; 739fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 740fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 741fa9e4066Sahrens break; 742fa9e4066Sahrens default: 743fa9e4066Sahrens return (DCMD_USAGE); 744fa9e4066Sahrens } 745fa9e4066Sahrens } 746fa9e4066Sahrens 747fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) { 748fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 749fa9e4066Sahrens return (DCMD_ERR); 750fa9e4066Sahrens } 751fa9e4066Sahrens 752fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 753fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 754fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 755fa9e4066Sahrens return (DCMD_ERR); 756fa9e4066Sahrens } 757fa9e4066Sahrens 758fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 759fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 760fa9e4066Sahrens return (DCMD_ERR); 761fa9e4066Sahrens } 762fa9e4066Sahrens } 763fa9e4066Sahrens 764fa9e4066Sahrens return (DCMD_OK); 765fa9e4066Sahrens } 766fa9e4066Sahrens 767fa9e4066Sahrens void 768fa9e4066Sahrens abuf_help(void) 769fa9e4066Sahrens { 770fa9e4066Sahrens mdb_printf("::abuf_find dva_word[0] dva_word[1]\n"); 771fa9e4066Sahrens } 772fa9e4066Sahrens 773fa9e4066Sahrens /* 774fa9e4066Sahrens * ::spa 775fa9e4066Sahrens * 776fa9e4066Sahrens * -c Print configuration information as well 777fa9e4066Sahrens * -v Print vdev state 778fa9e4066Sahrens * -e Print vdev error stats 779fa9e4066Sahrens * 780fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 781fa9e4066Sahrens * active pools on the system. 782fa9e4066Sahrens */ 783fa9e4066Sahrens /* ARGSUSED */ 784fa9e4066Sahrens static int 785fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 786fa9e4066Sahrens { 787fa9e4066Sahrens spa_t spa; 788fa9e4066Sahrens char poolname[MAXNAMELEN]; 789fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 790fa9e4066Sahrens "UNINIT", "UNAVAIL" }; 791fa9e4066Sahrens const char *state; 792fa9e4066Sahrens int config = FALSE; 793fa9e4066Sahrens int vdevs = FALSE; 794fa9e4066Sahrens int errors = FALSE; 795fa9e4066Sahrens 796fa9e4066Sahrens if (mdb_getopts(argc, argv, 797fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 798fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 799fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 800fa9e4066Sahrens NULL) != argc) 801fa9e4066Sahrens return (DCMD_USAGE); 802fa9e4066Sahrens 803fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 804fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 805fa9e4066Sahrens mdb_warn("can't walk spa"); 806fa9e4066Sahrens return (DCMD_ERR); 807fa9e4066Sahrens } 808fa9e4066Sahrens 809fa9e4066Sahrens return (DCMD_OK); 810fa9e4066Sahrens } 811fa9e4066Sahrens 812fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 813fa9e4066Sahrens mdb_printf("%#lr\n", addr); 814fa9e4066Sahrens return (DCMD_OK); 815fa9e4066Sahrens } 816fa9e4066Sahrens 817fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 818fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 819fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 820fa9e4066Sahrens 821fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 822fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 823fa9e4066Sahrens return (DCMD_ERR); 824fa9e4066Sahrens } 825fa9e4066Sahrens 826fa9e4066Sahrens if (mdb_readstr(poolname, sizeof (poolname), (uintptr_t)spa.spa_name) 827fa9e4066Sahrens == -1) { 828fa9e4066Sahrens mdb_warn("failed to read pool name at %p", spa.spa_name); 829fa9e4066Sahrens return (DCMD_ERR); 830fa9e4066Sahrens } 831fa9e4066Sahrens 832fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 833*ea8dc4b6Seschrock state = "UNKNOWN"; 834fa9e4066Sahrens else 835fa9e4066Sahrens state = statetab[spa.spa_state]; 836fa9e4066Sahrens 837fa9e4066Sahrens mdb_printf("%0?p %9s %s\n", addr, state, poolname); 838fa9e4066Sahrens 839fa9e4066Sahrens if (config) { 840fa9e4066Sahrens mdb_printf("\n"); 841fa9e4066Sahrens mdb_inc_indent(4); 842fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 843fa9e4066Sahrens NULL) != DCMD_OK) 844fa9e4066Sahrens return (DCMD_ERR); 845fa9e4066Sahrens mdb_dec_indent(4); 846fa9e4066Sahrens } 847fa9e4066Sahrens 848fa9e4066Sahrens if (vdevs || errors) { 849fa9e4066Sahrens mdb_arg_t v; 850fa9e4066Sahrens 851fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 852fa9e4066Sahrens v.a_un.a_str = "-e"; 853fa9e4066Sahrens 854fa9e4066Sahrens mdb_printf("\n"); 855fa9e4066Sahrens mdb_inc_indent(4); 856fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 857fa9e4066Sahrens &v) != DCMD_OK) 858fa9e4066Sahrens return (DCMD_ERR); 859fa9e4066Sahrens mdb_dec_indent(4); 860fa9e4066Sahrens } 861fa9e4066Sahrens 862fa9e4066Sahrens return (DCMD_OK); 863fa9e4066Sahrens } 864fa9e4066Sahrens 865fa9e4066Sahrens /* 866fa9e4066Sahrens * ::spa_config 867fa9e4066Sahrens * 868fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 869fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 870fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 871fa9e4066Sahrens */ 872fa9e4066Sahrens /* ARGSUSED */ 873fa9e4066Sahrens static int 874fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 875fa9e4066Sahrens { 876fa9e4066Sahrens spa_t spa; 877fa9e4066Sahrens 878fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 879fa9e4066Sahrens return (DCMD_USAGE); 880fa9e4066Sahrens 881fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 882fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 883fa9e4066Sahrens return (DCMD_ERR); 884fa9e4066Sahrens } 885fa9e4066Sahrens 886fa9e4066Sahrens if (spa.spa_config == NULL) { 887fa9e4066Sahrens mdb_printf("(none)\n"); 888fa9e4066Sahrens return (DCMD_OK); 889fa9e4066Sahrens } 890fa9e4066Sahrens 891fa9e4066Sahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, 892fa9e4066Sahrens 0, NULL)); 893fa9e4066Sahrens } 894fa9e4066Sahrens 895fa9e4066Sahrens void 896fa9e4066Sahrens vdev_help(void) 897fa9e4066Sahrens { 898fa9e4066Sahrens mdb_printf("[vdev_t*]::vdev [-qr]\n" 899fa9e4066Sahrens "\t-> -q display vdev_queue parameters\n" 900fa9e4066Sahrens "\t-> -r recursive (visit all children)\n"); 901fa9e4066Sahrens } 902fa9e4066Sahrens 903fa9e4066Sahrens /* 904fa9e4066Sahrens * ::vdev 905fa9e4066Sahrens * 906fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 907fa9e4066Sahrens * 908fa9e4066Sahrens * ADDR STATE AUX DESC 909fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 910fa9e4066Sahrens * 911fa9e4066Sahrens * or with "-q" to print out a vdev_t's vdev_queue parameters: 912fa9e4066Sahrens * 913fa9e4066Sahrens * vdev_t: c26ae4c0 914fa9e4066Sahrens * c26ae73c min pending 0x2 915fa9e4066Sahrens * c26ae744 max pending 0x23 916fa9e4066Sahrens * c26ae74c agg limit 0x20000 917fa9e4066Sahrens * c26ae754 time shift 0x4 918fa9e4066Sahrens * c26ae75c ramp rate 0x2 919fa9e4066Sahrens * 920fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 921fa9e4066Sahrens * 922fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 923fa9e4066Sahrens */ 924fa9e4066Sahrens static int 925fa9e4066Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int queue, int stats, 926fa9e4066Sahrens int recursive) 927fa9e4066Sahrens { 928fa9e4066Sahrens vdev_t vdev; 929fa9e4066Sahrens char desc[MAXNAMELEN]; 930fa9e4066Sahrens int c, children; 931fa9e4066Sahrens uintptr_t *child; 932fa9e4066Sahrens const char *state, *aux; 933fa9e4066Sahrens 934fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 935fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 936fa9e4066Sahrens return (DCMD_ERR); 937fa9e4066Sahrens } 938fa9e4066Sahrens 939fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 940fa9e4066Sahrens mdb_printf("%#lr", addr); 941fa9e4066Sahrens } else { 942fa9e4066Sahrens if (vdev.vdev_path != NULL) { 943fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 944fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 945fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 946fa9e4066Sahrens vdev.vdev_path); 947fa9e4066Sahrens return (DCMD_ERR); 948fa9e4066Sahrens } 949fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 950fa9e4066Sahrens vdev_ops_t ops; 951fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 952fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 953fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 954fa9e4066Sahrens vdev.vdev_ops); 955fa9e4066Sahrens return (DCMD_ERR); 956fa9e4066Sahrens } 957fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 958fa9e4066Sahrens } else { 959fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 960fa9e4066Sahrens } 961fa9e4066Sahrens 962fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 963fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 964fa9e4066Sahrens "ADDR", "STATE", "AUX", 965fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 966fa9e4066Sahrens "DESCRIPTION"); 967fa9e4066Sahrens 968fa9e4066Sahrens mdb_printf("%0?p ", addr); 969fa9e4066Sahrens 970fa9e4066Sahrens switch (vdev.vdev_state) { 971fa9e4066Sahrens case VDEV_STATE_CLOSED: 972fa9e4066Sahrens state = "CLOSED"; 973fa9e4066Sahrens break; 974fa9e4066Sahrens case VDEV_STATE_OFFLINE: 975fa9e4066Sahrens state = "OFFLINE"; 976fa9e4066Sahrens break; 977fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 978fa9e4066Sahrens state = "CANT_OPEN"; 979fa9e4066Sahrens break; 980fa9e4066Sahrens case VDEV_STATE_DEGRADED: 981fa9e4066Sahrens state = "DEGRADED"; 982fa9e4066Sahrens break; 983fa9e4066Sahrens case VDEV_STATE_HEALTHY: 984fa9e4066Sahrens state = "HEALTHY"; 985fa9e4066Sahrens break; 986fa9e4066Sahrens default: 987fa9e4066Sahrens state = "UNKNOWN"; 988fa9e4066Sahrens break; 989fa9e4066Sahrens } 990fa9e4066Sahrens 991fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 992fa9e4066Sahrens case VDEV_AUX_NONE: 993fa9e4066Sahrens aux = "-"; 994fa9e4066Sahrens break; 995fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 996fa9e4066Sahrens aux = "OPEN_FAILED"; 997fa9e4066Sahrens break; 998fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 999fa9e4066Sahrens aux = "CORRUPT_DATA"; 1000fa9e4066Sahrens break; 1001fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1002fa9e4066Sahrens aux = "NO_REPLICAS"; 1003fa9e4066Sahrens break; 1004fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1005fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1006fa9e4066Sahrens break; 1007fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1008fa9e4066Sahrens aux = "TOO_SMALL"; 1009fa9e4066Sahrens break; 1010fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1011fa9e4066Sahrens aux = "BAD_LABEL"; 1012fa9e4066Sahrens break; 1013fa9e4066Sahrens default: 1014fa9e4066Sahrens aux = "UNKNOWN"; 1015fa9e4066Sahrens break; 1016fa9e4066Sahrens } 1017fa9e4066Sahrens 1018fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1019fa9e4066Sahrens 1020fa9e4066Sahrens if (queue) { 1021fa9e4066Sahrens mdb_inc_indent(4); 1022fa9e4066Sahrens mdb_printf("\n"); 1023fa9e4066Sahrens mdb_printf("%p min pending 0x%llx\n", 1024fa9e4066Sahrens (uintptr_t)(addr + offsetof(vdev_t, 1025fa9e4066Sahrens vdev_queue.vq_min_pending)), 1026fa9e4066Sahrens vdev.vdev_queue.vq_min_pending); 1027fa9e4066Sahrens mdb_printf("%p max pending 0x%llx\n", 1028fa9e4066Sahrens (uintptr_t)(addr + offsetof(vdev_t, 1029fa9e4066Sahrens vdev_queue.vq_max_pending)), 1030fa9e4066Sahrens vdev.vdev_queue.vq_max_pending); 1031fa9e4066Sahrens mdb_printf("%p agg limit 0x%llx\n", 1032fa9e4066Sahrens (uintptr_t)(addr + offsetof(vdev_t, 1033fa9e4066Sahrens vdev_queue.vq_agg_limit)), 1034fa9e4066Sahrens vdev.vdev_queue.vq_agg_limit); 1035fa9e4066Sahrens mdb_printf("%p time shift 0x%llx\n", 1036fa9e4066Sahrens (uintptr_t)(addr + offsetof(vdev_t, 1037fa9e4066Sahrens vdev_queue.vq_time_shift)), 1038fa9e4066Sahrens vdev.vdev_queue.vq_time_shift); 1039fa9e4066Sahrens mdb_printf("%p ramp rate 0x%llx\n", 1040fa9e4066Sahrens (uintptr_t)(addr + offsetof(vdev_t, 1041fa9e4066Sahrens vdev_queue.vq_ramp_rate)), 1042fa9e4066Sahrens vdev.vdev_queue.vq_ramp_rate); 1043fa9e4066Sahrens mdb_dec_indent(4); 1044fa9e4066Sahrens } 1045fa9e4066Sahrens 1046fa9e4066Sahrens if (stats) { 1047fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1048fa9e4066Sahrens int i; 1049fa9e4066Sahrens 1050fa9e4066Sahrens mdb_inc_indent(4); 1051fa9e4066Sahrens mdb_printf("\n"); 1052fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1053fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1054fa9e4066Sahrens "IOCTL"); 1055fa9e4066Sahrens mdb_printf("OPS "); 1056fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1057fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1058fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1059fa9e4066Sahrens mdb_printf("\n"); 1060fa9e4066Sahrens mdb_printf("BYTES "); 1061fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1062fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1063fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1064fa9e4066Sahrens 1065fa9e4066Sahrens 1066fa9e4066Sahrens mdb_printf("\n"); 1067fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1068fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1069fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1070fa9e4066Sahrens vs->vs_checksum_errors); 1071fa9e4066Sahrens mdb_dec_indent(4); 1072fa9e4066Sahrens } 1073fa9e4066Sahrens 1074fa9e4066Sahrens if (queue || stats) 1075fa9e4066Sahrens mdb_printf("\n"); 1076fa9e4066Sahrens } 1077fa9e4066Sahrens 1078fa9e4066Sahrens children = vdev.vdev_children; 1079fa9e4066Sahrens 1080fa9e4066Sahrens if (children == 0 || !recursive) 1081fa9e4066Sahrens return (DCMD_OK); 1082fa9e4066Sahrens 1083fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1084fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1085fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1086fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1087fa9e4066Sahrens return (DCMD_ERR); 1088fa9e4066Sahrens } 1089fa9e4066Sahrens 1090fa9e4066Sahrens for (c = 0; c < children; c++) { 1091fa9e4066Sahrens if (do_print_vdev(child[c], flags, depth + 2, queue, stats, 1092fa9e4066Sahrens recursive)) 1093fa9e4066Sahrens return (DCMD_ERR); 1094fa9e4066Sahrens } 1095fa9e4066Sahrens 1096fa9e4066Sahrens return (DCMD_OK); 1097fa9e4066Sahrens } 1098fa9e4066Sahrens 1099fa9e4066Sahrens static int 1100fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1101fa9e4066Sahrens { 1102fa9e4066Sahrens int print_queue = FALSE; 1103fa9e4066Sahrens int recursive = FALSE; 1104fa9e4066Sahrens int stats = FALSE; 1105fa9e4066Sahrens 1106fa9e4066Sahrens if (mdb_getopts(argc, argv, 1107fa9e4066Sahrens 'q', MDB_OPT_SETBITS, TRUE, &print_queue, 1108fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1109fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1110fa9e4066Sahrens NULL) != argc) 1111fa9e4066Sahrens return (DCMD_USAGE); 1112fa9e4066Sahrens 1113fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1114fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1115fa9e4066Sahrens return (DCMD_ERR); 1116fa9e4066Sahrens } 1117fa9e4066Sahrens 1118fa9e4066Sahrens return (do_print_vdev(addr, flags, 0, print_queue, stats, recursive)); 1119fa9e4066Sahrens } 1120fa9e4066Sahrens 1121fa9e4066Sahrens typedef struct mdb_spa { 1122fa9e4066Sahrens uintptr_t spa_dsl_pool; 1123fa9e4066Sahrens uintptr_t spa_root_vdev; 1124fa9e4066Sahrens } mdb_spa_t; 1125fa9e4066Sahrens 1126fa9e4066Sahrens typedef struct mdb_dsl_dir { 1127fa9e4066Sahrens uintptr_t dd_phys; 1128fa9e4066Sahrens uint64_t dd_used_bytes; 1129fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1130fa9e4066Sahrens } mdb_dsl_dir_t; 1131fa9e4066Sahrens 1132fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1133fa9e4066Sahrens uint64_t dd_used_bytes; 1134fa9e4066Sahrens uint64_t dd_compressed_bytes; 1135fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1136fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1137fa9e4066Sahrens 1138fa9e4066Sahrens typedef struct mdb_vdev { 1139fa9e4066Sahrens uintptr_t vdev_parent; 1140fa9e4066Sahrens uintptr_t vdev_ms; 1141fa9e4066Sahrens uint64_t vdev_ms_count; 1142fa9e4066Sahrens vdev_stat_t vdev_stat; 1143fa9e4066Sahrens } mdb_vdev_t; 1144fa9e4066Sahrens 1145fa9e4066Sahrens typedef struct mdb_metaslab { 1146fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1147fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1148fa9e4066Sahrens space_map_t ms_map; 1149fa9e4066Sahrens uint64_t ms_usable_space; 1150fa9e4066Sahrens } mdb_metaslab_t; 1151fa9e4066Sahrens 1152fa9e4066Sahrens /* 1153fa9e4066Sahrens * ::spa_space [-b] 1154fa9e4066Sahrens * 1155fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1156fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1157fa9e4066Sahrens * Otherwise print in megabytes. 1158fa9e4066Sahrens */ 1159fa9e4066Sahrens /* ARGSUSED */ 1160fa9e4066Sahrens static int 1161fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1162fa9e4066Sahrens { 1163fa9e4066Sahrens mdb_spa_t spa; 1164fa9e4066Sahrens uintptr_t dp_root_dir; 1165fa9e4066Sahrens mdb_dsl_dir_t dd; 1166fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1167fa9e4066Sahrens uint64_t children; 1168fa9e4066Sahrens uintptr_t childaddr; 1169fa9e4066Sahrens uintptr_t *child; 1170fa9e4066Sahrens uint64_t ms_allocmap[TXG_SIZE] = {0, 0, 0, 0}; 1171fa9e4066Sahrens uint64_t ms_freemap[TXG_SIZE] = {0, 0, 0, 0}; 1172fa9e4066Sahrens uint64_t ms_map = 0; 1173fa9e4066Sahrens uint64_t ms_usable_space = 0; 1174fa9e4066Sahrens int i, j; 1175fa9e4066Sahrens int havecompressed = TRUE; 1176fa9e4066Sahrens int shift = 20; 1177fa9e4066Sahrens char *suffix = "M"; 1178fa9e4066Sahrens int bits = FALSE; 1179fa9e4066Sahrens 1180fa9e4066Sahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != 1181fa9e4066Sahrens argc) 1182fa9e4066Sahrens return (DCMD_USAGE); 1183fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1184fa9e4066Sahrens return (DCMD_USAGE); 1185fa9e4066Sahrens 1186fa9e4066Sahrens if (bits) { 1187fa9e4066Sahrens shift = 0; 1188fa9e4066Sahrens suffix = ""; 1189fa9e4066Sahrens } 1190fa9e4066Sahrens 1191fa9e4066Sahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || 1192fa9e4066Sahrens GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || 1193fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || 1194fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || 1195fa9e4066Sahrens GETMEMB(spa.spa_dsl_pool, struct dsl_pool, 1196fa9e4066Sahrens dp_root_dir, dp_root_dir) || 1197fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || 1198fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, 1199fa9e4066Sahrens dd_used_bytes, dd.dd_used_bytes) || 1200fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, 1201fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 1202fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1203fa9e4066Sahrens dd_used_bytes, dsp.dd_used_bytes)) { 1204fa9e4066Sahrens return (DCMD_ERR); 1205fa9e4066Sahrens } 1206fa9e4066Sahrens 1207fa9e4066Sahrens if (GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1208fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 1209fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1210fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1211fa9e4066Sahrens havecompressed = FALSE; 1212fa9e4066Sahrens } 1213fa9e4066Sahrens 1214fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1215fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), childaddr) == -1) { 1216fa9e4066Sahrens mdb_warn("failed to read root vdev children at %p", childaddr); 1217fa9e4066Sahrens return (DCMD_ERR); 1218fa9e4066Sahrens } 1219fa9e4066Sahrens 1220fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1221fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1222fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1223fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1224fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1225fa9e4066Sahrens mdb_printf("dd_used_bytes = %llu%s\n", 1226fa9e4066Sahrens dd.dd_used_bytes >> shift, suffix); 1227fa9e4066Sahrens 1228fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1229fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 1230fa9e4066Sahrens if (havecompressed) { 1231fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 1232fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 1233fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 1234fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 1235fa9e4066Sahrens } 1236fa9e4066Sahrens 1237fa9e4066Sahrens for (i = 0; i < children; i++) { 1238fa9e4066Sahrens mdb_vdev_t vd; 1239fa9e4066Sahrens uintptr_t *vdev_ms; 1240fa9e4066Sahrens 1241fa9e4066Sahrens if (GETMEMB(child[i], struct vdev, 1242fa9e4066Sahrens vdev_parent, vd.vdev_parent) || 1243fa9e4066Sahrens GETMEMB(child[i], struct vdev, 1244fa9e4066Sahrens vdev_stat, vd.vdev_stat) || 1245fa9e4066Sahrens GETMEMB(child[i], struct vdev, vdev_ms, vd.vdev_ms) || 1246fa9e4066Sahrens GETMEMB(child[i], struct vdev, 1247fa9e4066Sahrens vdev_ms_count, vd.vdev_ms_count)) { 1248fa9e4066Sahrens return (DCMD_ERR); 1249fa9e4066Sahrens } 1250fa9e4066Sahrens 1251fa9e4066Sahrens /* 1252fa9e4066Sahrens * If this is the root vdev, its stats are the pool-wide stats. 1253fa9e4066Sahrens */ 1254fa9e4066Sahrens if (vd.vdev_parent == NULL) { 1255fa9e4066Sahrens mdb_printf("pool_alloc = %llu%s\n", 1256fa9e4066Sahrens vd.vdev_stat.vs_alloc >> shift, suffix); 1257fa9e4066Sahrens mdb_printf("pool_space = %llu%s\n", 1258fa9e4066Sahrens vd.vdev_stat.vs_space >> shift, suffix); 1259fa9e4066Sahrens } 1260fa9e4066Sahrens 1261fa9e4066Sahrens /* 1262fa9e4066Sahrens * If this is not a top-level vdev, it doesn't have space. 1263fa9e4066Sahrens */ 1264fa9e4066Sahrens if (vd.vdev_parent != spa.spa_root_vdev) 1265fa9e4066Sahrens continue; 1266fa9e4066Sahrens 1267fa9e4066Sahrens vdev_ms = mdb_alloc(vd.vdev_ms_count * sizeof (void*), 1268fa9e4066Sahrens UM_SLEEP | UM_GC); 1269fa9e4066Sahrens if (mdb_vread(vdev_ms, vd.vdev_ms_count * sizeof (void*), 1270fa9e4066Sahrens (uintptr_t)vd.vdev_ms) == -1) { 1271fa9e4066Sahrens mdb_warn("failed to read vdev_ms at %p", vd.vdev_ms); 1272fa9e4066Sahrens return (DCMD_ERR); 1273fa9e4066Sahrens } 1274fa9e4066Sahrens 1275fa9e4066Sahrens for (j = 0; j < vd.vdev_ms_count; j++) { 1276fa9e4066Sahrens mdb_metaslab_t ms; 1277fa9e4066Sahrens 1278fa9e4066Sahrens if (GETMEMB(vdev_ms[j], struct metaslab, 1279fa9e4066Sahrens ms_allocmap, ms.ms_allocmap) || 1280fa9e4066Sahrens GETMEMB(vdev_ms[j], struct metaslab, 1281fa9e4066Sahrens ms_freemap, ms.ms_freemap) || 1282fa9e4066Sahrens GETMEMB(vdev_ms[j], struct metaslab, 1283fa9e4066Sahrens ms_map, ms.ms_map) || 1284fa9e4066Sahrens GETMEMB(vdev_ms[j], struct metaslab, 1285fa9e4066Sahrens ms_usable_space, ms.ms_usable_space)) { 1286fa9e4066Sahrens return (DCMD_ERR); 1287fa9e4066Sahrens } 1288fa9e4066Sahrens 1289fa9e4066Sahrens ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 1290fa9e4066Sahrens ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 1291fa9e4066Sahrens ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 1292fa9e4066Sahrens ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 1293fa9e4066Sahrens ms_freemap[0] += ms.ms_freemap[0].sm_space; 1294fa9e4066Sahrens ms_freemap[1] += ms.ms_freemap[1].sm_space; 1295fa9e4066Sahrens ms_freemap[2] += ms.ms_freemap[2].sm_space; 1296fa9e4066Sahrens ms_freemap[3] += ms.ms_freemap[3].sm_space; 1297fa9e4066Sahrens ms_map += ms.ms_map.sm_space; 1298fa9e4066Sahrens ms_usable_space += ms.ms_usable_space; 1299fa9e4066Sahrens } 1300fa9e4066Sahrens } 1301fa9e4066Sahrens 1302fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 1303fa9e4066Sahrens ms_allocmap[0] >> shift, suffix, 1304fa9e4066Sahrens ms_allocmap[1] >> shift, suffix, 1305fa9e4066Sahrens ms_allocmap[2] >> shift, suffix, 1306fa9e4066Sahrens ms_allocmap[3] >> shift, suffix); 1307fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 1308fa9e4066Sahrens ms_freemap[0] >> shift, suffix, 1309fa9e4066Sahrens ms_freemap[1] >> shift, suffix, 1310fa9e4066Sahrens ms_freemap[2] >> shift, suffix, 1311fa9e4066Sahrens ms_freemap[3] >> shift, suffix); 1312fa9e4066Sahrens mdb_printf("ms_map = %llu%s\n", ms_map >> shift, suffix); 1313fa9e4066Sahrens mdb_printf("ms_usable_space = %llu%s\n", 1314fa9e4066Sahrens ms_usable_space >> shift, suffix); 1315fa9e4066Sahrens 1316fa9e4066Sahrens return (DCMD_OK); 1317fa9e4066Sahrens } 1318fa9e4066Sahrens 1319fa9e4066Sahrens /* 1320fa9e4066Sahrens * ::spa_verify 1321fa9e4066Sahrens * 1322fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1323fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1324fa9e4066Sahrens */ 1325fa9e4066Sahrens /* ARGSUSED */ 1326fa9e4066Sahrens static int 1327fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1328fa9e4066Sahrens { 1329fa9e4066Sahrens spa_t spa; 1330fa9e4066Sahrens 1331fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1332fa9e4066Sahrens return (DCMD_USAGE); 1333fa9e4066Sahrens 1334fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1335fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1336fa9e4066Sahrens return (DCMD_ERR); 1337fa9e4066Sahrens } 1338fa9e4066Sahrens 1339fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1340fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1341fa9e4066Sahrens return (DCMD_OK); 1342fa9e4066Sahrens } 1343fa9e4066Sahrens 1344fa9e4066Sahrens return (DCMD_OK); 1345fa9e4066Sahrens } 1346fa9e4066Sahrens 1347fa9e4066Sahrens /* 1348fa9e4066Sahrens * ::spa_vdevs 1349fa9e4066Sahrens * 1350fa9e4066Sahrens * -e Include error stats 1351fa9e4066Sahrens * 1352fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1353fa9e4066Sahrens * This is accomplished by invoking "::vdev -re" on the root vdev. 1354fa9e4066Sahrens */ 1355fa9e4066Sahrens /* ARGSUSED */ 1356fa9e4066Sahrens static int 1357fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1358fa9e4066Sahrens { 1359fa9e4066Sahrens spa_t spa; 1360fa9e4066Sahrens mdb_arg_t v; 1361fa9e4066Sahrens int errors = FALSE; 1362fa9e4066Sahrens 1363fa9e4066Sahrens if (mdb_getopts(argc, argv, 1364fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1365fa9e4066Sahrens NULL) != argc) 1366fa9e4066Sahrens return (DCMD_USAGE); 1367fa9e4066Sahrens 1368fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1369fa9e4066Sahrens return (DCMD_USAGE); 1370fa9e4066Sahrens 1371fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1372fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1373fa9e4066Sahrens return (DCMD_ERR); 1374fa9e4066Sahrens } 1375fa9e4066Sahrens 1376088e9d47Seschrock /* 1377088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1378088e9d47Seschrock */ 1379088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1380088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1381088e9d47Seschrock return (DCMD_OK); 1382088e9d47Seschrock } 1383088e9d47Seschrock 1384fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1385fa9e4066Sahrens v.a_un.a_str = errors ? "-re" : "-r"; 1386fa9e4066Sahrens 1387fa9e4066Sahrens return (mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1388fa9e4066Sahrens flags, 1, &v)); 1389fa9e4066Sahrens } 1390fa9e4066Sahrens 1391fa9e4066Sahrens typedef struct txg_list_walk_data { 1392fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1393fa9e4066Sahrens int lw_txgoff; 1394fa9e4066Sahrens int lw_maxoff; 1395fa9e4066Sahrens size_t lw_offset; 1396fa9e4066Sahrens void *lw_obj; 1397fa9e4066Sahrens } txg_list_walk_data_t; 1398fa9e4066Sahrens 1399fa9e4066Sahrens static int 1400fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1401fa9e4066Sahrens { 1402fa9e4066Sahrens txg_list_walk_data_t *lwd; 1403fa9e4066Sahrens txg_list_t list; 1404fa9e4066Sahrens int i; 1405fa9e4066Sahrens 1406fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1407fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1408fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1409fa9e4066Sahrens return (WALK_ERR); 1410fa9e4066Sahrens } 1411fa9e4066Sahrens 1412fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1413fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1414fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1415fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1416fa9e4066Sahrens UM_SLEEP | UM_GC); 1417fa9e4066Sahrens lwd->lw_txgoff = txg; 1418fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1419fa9e4066Sahrens 1420fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1421fa9e4066Sahrens wsp->walk_data = lwd; 1422fa9e4066Sahrens 1423fa9e4066Sahrens return (WALK_NEXT); 1424fa9e4066Sahrens } 1425fa9e4066Sahrens 1426fa9e4066Sahrens static int 1427fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1428fa9e4066Sahrens { 1429fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1430fa9e4066Sahrens } 1431fa9e4066Sahrens 1432fa9e4066Sahrens static int 1433fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1434fa9e4066Sahrens { 1435fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1436fa9e4066Sahrens } 1437fa9e4066Sahrens 1438fa9e4066Sahrens static int 1439fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1440fa9e4066Sahrens { 1441fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1442fa9e4066Sahrens } 1443fa9e4066Sahrens 1444fa9e4066Sahrens static int 1445fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1446fa9e4066Sahrens { 1447fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1448fa9e4066Sahrens } 1449fa9e4066Sahrens 1450fa9e4066Sahrens static int 1451fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1452fa9e4066Sahrens { 1453fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1454fa9e4066Sahrens } 1455fa9e4066Sahrens 1456fa9e4066Sahrens static int 1457fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1458fa9e4066Sahrens { 1459fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1460fa9e4066Sahrens uintptr_t addr; 1461fa9e4066Sahrens txg_node_t *node; 1462fa9e4066Sahrens int status; 1463fa9e4066Sahrens 1464fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1465fa9e4066Sahrens lwd->lw_txgoff++; 1466fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1467fa9e4066Sahrens } 1468fa9e4066Sahrens 1469fa9e4066Sahrens if (wsp->walk_addr == NULL) 1470fa9e4066Sahrens return (WALK_DONE); 1471fa9e4066Sahrens 1472fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 1473fa9e4066Sahrens 1474fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 1475fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 1476fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 1477fa9e4066Sahrens return (WALK_ERR); 1478fa9e4066Sahrens } 1479fa9e4066Sahrens 1480fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 1481fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 1482fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 1483fa9e4066Sahrens 1484fa9e4066Sahrens return (status); 1485fa9e4066Sahrens } 1486fa9e4066Sahrens 1487fa9e4066Sahrens /* ARGSUSED */ 1488fa9e4066Sahrens static void 1489fa9e4066Sahrens txg_list_walk_fini(mdb_walk_state_t *wsp) 1490fa9e4066Sahrens { 1491fa9e4066Sahrens } 1492fa9e4066Sahrens 1493fa9e4066Sahrens /* 1494fa9e4066Sahrens * ::walk spa 1495fa9e4066Sahrens * 1496fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 1497fa9e4066Sahrens * a layered avl walk. 1498fa9e4066Sahrens */ 1499fa9e4066Sahrens static int 1500fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 1501fa9e4066Sahrens { 1502fa9e4066Sahrens GElf_Sym sym; 1503fa9e4066Sahrens 1504fa9e4066Sahrens if (wsp->walk_addr != NULL) { 1505fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 1506fa9e4066Sahrens return (WALK_ERR); 1507fa9e4066Sahrens } 1508fa9e4066Sahrens 1509fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 1510fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 1511fa9e4066Sahrens return (WALK_ERR); 1512fa9e4066Sahrens } 1513fa9e4066Sahrens 1514fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 1515fa9e4066Sahrens 1516fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 1517fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 1518fa9e4066Sahrens return (WALK_ERR); 1519fa9e4066Sahrens } 1520fa9e4066Sahrens 1521fa9e4066Sahrens return (WALK_NEXT); 1522fa9e4066Sahrens } 1523fa9e4066Sahrens 1524fa9e4066Sahrens static int 1525fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 1526fa9e4066Sahrens { 1527fa9e4066Sahrens spa_t spa; 1528fa9e4066Sahrens 1529fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 1530fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 1531fa9e4066Sahrens return (WALK_ERR); 1532fa9e4066Sahrens } 1533fa9e4066Sahrens 1534fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 1535fa9e4066Sahrens } 1536fa9e4066Sahrens 1537fa9e4066Sahrens /* 1538fa9e4066Sahrens * MDB module linkage information: 1539fa9e4066Sahrens * 1540fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 1541fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 1542fa9e4066Sahrens */ 1543fa9e4066Sahrens 1544fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 1545fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 1546fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 1547fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 1548fa9e4066Sahrens { "dbufs", 1549fa9e4066Sahrens "\t[-O objset_t*] [-n objset_name | \"mos\"] [-o object | \"mdn\"] \n" 1550fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 1551fa9e4066Sahrens "find dmu_buf_impl_t's that meet criterion", dbufs }, 1552fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 1553fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 1554fa9e4066Sahrens abuf_find }, 1555fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 1556fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 1557fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 1558fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 1559fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 1560fa9e4066Sahrens { "vdev", ":[-qre]", "vdev_t summary", vdev_print }, 1561fa9e4066Sahrens { "zio_pipeline", ":", "decode a zio pipeline", zio_pipeline }, 1562fa9e4066Sahrens { NULL } 1563fa9e4066Sahrens }; 1564fa9e4066Sahrens 1565fa9e4066Sahrens static const mdb_walker_t walkers[] = { 1566fa9e4066Sahrens /* 1567fa9e4066Sahrens * In userland, there is no generic provider of list_t walkers, so we 1568fa9e4066Sahrens * need to add it. 1569fa9e4066Sahrens */ 1570fa9e4066Sahrens #ifndef _KERNEL 1571fa9e4066Sahrens { LIST_WALK_NAME, LIST_WALK_DESC, 1572fa9e4066Sahrens list_walk_init, list_walk_step, list_walk_fini }, 1573fa9e4066Sahrens #endif 1574fa9e4066Sahrens { "dbufs", "walk cached ZFS dbufs", 1575fa9e4066Sahrens dbuf_walk_init, dbuf_walk_step, dbuf_walk_fini }, 1576fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 1577fa9e4066Sahrens freelist_walk_init, freelist_walk_step, freelist_walk_fini }, 1578fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 1579fa9e4066Sahrens txg_list_walk_init, txg_list_walk_step, txg_list_walk_fini }, 1580fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 1581fa9e4066Sahrens txg_list0_walk_init, txg_list_walk_step, txg_list_walk_fini }, 1582fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 1583fa9e4066Sahrens txg_list1_walk_init, txg_list_walk_step, txg_list_walk_fini }, 1584fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 1585fa9e4066Sahrens txg_list2_walk_init, txg_list_walk_step, txg_list_walk_fini }, 1586fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 1587fa9e4066Sahrens txg_list3_walk_init, txg_list_walk_step, txg_list_walk_fini }, 1588fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 1589fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 1590fa9e4066Sahrens { NULL } 1591fa9e4066Sahrens }; 1592fa9e4066Sahrens 1593fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 1594fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 1595fa9e4066Sahrens }; 1596fa9e4066Sahrens 1597fa9e4066Sahrens const mdb_modinfo_t * 1598fa9e4066Sahrens _mdb_init(void) 1599fa9e4066Sahrens { 1600fa9e4066Sahrens return (&modinfo); 1601fa9e4066Sahrens } 1602