zdb_il.c revision 168404
1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21168404Spjd/* 22168404Spjd * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23168404Spjd * Use is subject to license terms. 24168404Spjd */ 25168404Spjd 26168404Spjd#pragma ident "%Z%%M% %I% %E% SMI" 27168404Spjd 28168404Spjd/* 29168404Spjd * Print intent log header and statistics. 30168404Spjd */ 31168404Spjd 32168404Spjd#include <stdio.h> 33168404Spjd#include <stdlib.h> 34168404Spjd#include <ctype.h> 35168404Spjd#include <sys/zfs_context.h> 36168404Spjd#include <sys/spa.h> 37168404Spjd#include <sys/dmu.h> 38168404Spjd#include <sys/stat.h> 39168404Spjd#include <sys/resource.h> 40168404Spjd#include <sys/zil.h> 41168404Spjd#include <sys/zil_impl.h> 42168404Spjd 43168404Spjdextern uint8_t dump_opt[256]; 44168404Spjd 45168404Spjdstatic void 46168404Spjdprint_log_bp(const blkptr_t *bp, const char *prefix) 47168404Spjd{ 48168404Spjd char blkbuf[BP_SPRINTF_LEN]; 49168404Spjd 50168404Spjd sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 51168404Spjd (void) printf("%s%s\n", prefix, blkbuf); 52168404Spjd} 53168404Spjd 54168404Spjd/* ARGSUSED */ 55168404Spjdstatic void 56168404Spjdzil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr) 57168404Spjd{ 58168404Spjd time_t crtime = lr->lr_crtime[0]; 59168404Spjd char *name = (char *)(lr + 1); 60168404Spjd char *link = name + strlen(name) + 1; 61168404Spjd 62168404Spjd if (txtype == TX_SYMLINK) 63168404Spjd (void) printf("\t\t\t%s -> %s\n", name, link); 64168404Spjd else 65168404Spjd (void) printf("\t\t\t%s\n", name); 66168404Spjd 67168404Spjd (void) printf("\t\t\t%s", ctime(&crtime)); 68168404Spjd (void) printf("\t\t\tdoid %llu, foid %llu, mode %llo\n", 69168404Spjd (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 70168404Spjd (longlong_t)lr->lr_mode); 71168404Spjd (void) printf("\t\t\tuid %llu, gid %llu, gen %llu, rdev 0x%llx\n", 72168404Spjd (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 73168404Spjd (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 74168404Spjd} 75168404Spjd 76168404Spjd/* ARGSUSED */ 77168404Spjdstatic void 78168404Spjdzil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr) 79168404Spjd{ 80168404Spjd (void) printf("\t\t\tdoid %llu, name %s\n", 81168404Spjd (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 82168404Spjd} 83168404Spjd 84168404Spjd/* ARGSUSED */ 85168404Spjdstatic void 86168404Spjdzil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr) 87168404Spjd{ 88168404Spjd (void) printf("\t\t\tdoid %llu, link_obj %llu, name %s\n", 89168404Spjd (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 90168404Spjd (char *)(lr + 1)); 91168404Spjd} 92168404Spjd 93168404Spjd/* ARGSUSED */ 94168404Spjdstatic void 95168404Spjdzil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr) 96168404Spjd{ 97168404Spjd char *snm = (char *)(lr + 1); 98168404Spjd char *tnm = snm + strlen(snm) + 1; 99168404Spjd 100168404Spjd (void) printf("\t\t\tsdoid %llu, tdoid %llu\n", 101168404Spjd (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 102168404Spjd (void) printf("\t\t\tsrc %s tgt %s\n", snm, tnm); 103168404Spjd} 104168404Spjd 105168404Spjd/* ARGSUSED */ 106168404Spjdstatic void 107168404Spjdzil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr) 108168404Spjd{ 109168404Spjd char *data, *dlimit; 110168404Spjd blkptr_t *bp = &lr->lr_blkptr; 111168404Spjd char buf[SPA_MAXBLOCKSIZE]; 112168404Spjd int verbose = MAX(dump_opt['d'], dump_opt['i']); 113168404Spjd int error; 114168404Spjd 115168404Spjd (void) printf("\t\t\tfoid %llu, offset 0x%llx," 116168404Spjd " length 0x%llx, blkoff 0x%llx\n", 117168404Spjd (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 118168404Spjd (u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blkoff); 119168404Spjd 120168404Spjd if (verbose < 5) 121168404Spjd return; 122168404Spjd 123168404Spjd if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 124168404Spjd (void) printf("\t\t\thas blkptr, %s\n", 125168404Spjd bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 126168404Spjd "will claim" : "won't claim"); 127168404Spjd print_log_bp(bp, "\t\t\t"); 128168404Spjd if (bp->blk_birth == 0) { 129168404Spjd bzero(buf, sizeof (buf)); 130168404Spjd } else { 131168404Spjd zbookmark_t zb; 132168404Spjd 133168404Spjd ASSERT3U(bp->blk_cksum.zc_word[ZIL_ZC_OBJSET], ==, 134168404Spjd dmu_objset_id(zilog->zl_os)); 135168404Spjd 136168404Spjd zb.zb_objset = bp->blk_cksum.zc_word[ZIL_ZC_OBJSET]; 137168404Spjd zb.zb_object = 0; 138168404Spjd zb.zb_level = -1; 139168404Spjd zb.zb_blkid = bp->blk_cksum.zc_word[ZIL_ZC_SEQ]; 140168404Spjd 141168404Spjd error = zio_wait(zio_read(NULL, zilog->zl_spa, 142168404Spjd bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 143168404Spjd ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 144168404Spjd if (error) 145168404Spjd return; 146168404Spjd } 147168404Spjd data = buf + lr->lr_blkoff; 148168404Spjd } else { 149168404Spjd data = (char *)(lr + 1); 150168404Spjd } 151168404Spjd 152168404Spjd dlimit = data + MIN(lr->lr_length, 153168404Spjd (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 154168404Spjd 155168404Spjd (void) printf("\t\t\t"); 156168404Spjd while (data < dlimit) { 157168404Spjd if (isprint(*data)) 158168404Spjd (void) printf("%c ", *data); 159168404Spjd else 160168404Spjd (void) printf("%2X", *data); 161168404Spjd data++; 162168404Spjd } 163168404Spjd (void) printf("\n"); 164168404Spjd} 165168404Spjd 166168404Spjd/* ARGSUSED */ 167168404Spjdstatic void 168168404Spjdzil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 169168404Spjd{ 170168404Spjd (void) printf("\t\t\tfoid %llu, offset 0x%llx, length 0x%llx\n", 171168404Spjd (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 172168404Spjd (u_longlong_t)lr->lr_length); 173168404Spjd} 174168404Spjd 175168404Spjd/* ARGSUSED */ 176168404Spjdstatic void 177168404Spjdzil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 178168404Spjd{ 179168404Spjd time_t atime = (time_t)lr->lr_atime[0]; 180168404Spjd time_t mtime = (time_t)lr->lr_mtime[0]; 181168404Spjd 182168404Spjd (void) printf("\t\t\tfoid %llu, mask 0x%llx\n", 183168404Spjd (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 184168404Spjd 185168404Spjd if (lr->lr_mask & AT_MODE) { 186168404Spjd (void) printf("\t\t\tAT_MODE %llo\n", 187168404Spjd (longlong_t)lr->lr_mode); 188168404Spjd } 189168404Spjd 190168404Spjd if (lr->lr_mask & AT_UID) { 191168404Spjd (void) printf("\t\t\tAT_UID %llu\n", 192168404Spjd (u_longlong_t)lr->lr_uid); 193168404Spjd } 194168404Spjd 195168404Spjd if (lr->lr_mask & AT_GID) { 196168404Spjd (void) printf("\t\t\tAT_GID %llu\n", 197168404Spjd (u_longlong_t)lr->lr_gid); 198168404Spjd } 199168404Spjd 200168404Spjd if (lr->lr_mask & AT_SIZE) { 201168404Spjd (void) printf("\t\t\tAT_SIZE %llu\n", 202168404Spjd (u_longlong_t)lr->lr_size); 203168404Spjd } 204168404Spjd 205168404Spjd if (lr->lr_mask & AT_ATIME) { 206168404Spjd (void) printf("\t\t\tAT_ATIME %llu.%09llu %s", 207168404Spjd (u_longlong_t)lr->lr_atime[0], 208168404Spjd (u_longlong_t)lr->lr_atime[1], 209168404Spjd ctime(&atime)); 210168404Spjd } 211168404Spjd 212168404Spjd if (lr->lr_mask & AT_MTIME) { 213168404Spjd (void) printf("\t\t\tAT_MTIME %llu.%09llu %s", 214168404Spjd (u_longlong_t)lr->lr_mtime[0], 215168404Spjd (u_longlong_t)lr->lr_mtime[1], 216168404Spjd ctime(&mtime)); 217168404Spjd } 218168404Spjd} 219168404Spjd 220168404Spjd/* ARGSUSED */ 221168404Spjdstatic void 222168404Spjdzil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 223168404Spjd{ 224168404Spjd (void) printf("\t\t\tfoid %llu, aclcnt %llu\n", 225168404Spjd (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 226168404Spjd} 227168404Spjd 228168404Spjdtypedef void (*zil_prt_rec_func_t)(); 229168404Spjdtypedef struct zil_rec_info { 230168404Spjd zil_prt_rec_func_t zri_print; 231168404Spjd char *zri_name; 232168404Spjd uint64_t zri_count; 233168404Spjd} zil_rec_info_t; 234168404Spjd 235168404Spjdstatic zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 236168404Spjd { NULL, "Total " }, 237168404Spjd { zil_prt_rec_create, "TX_CREATE " }, 238168404Spjd { zil_prt_rec_create, "TX_MKDIR " }, 239168404Spjd { zil_prt_rec_create, "TX_MKXATTR " }, 240168404Spjd { zil_prt_rec_create, "TX_SYMLINK " }, 241168404Spjd { zil_prt_rec_remove, "TX_REMOVE " }, 242168404Spjd { zil_prt_rec_remove, "TX_RMDIR " }, 243168404Spjd { zil_prt_rec_link, "TX_LINK " }, 244168404Spjd { zil_prt_rec_rename, "TX_RENAME " }, 245168404Spjd { zil_prt_rec_write, "TX_WRITE " }, 246168404Spjd { zil_prt_rec_truncate, "TX_TRUNCATE" }, 247168404Spjd { zil_prt_rec_setattr, "TX_SETATTR " }, 248168404Spjd { zil_prt_rec_acl, "TX_ACL " }, 249168404Spjd}; 250168404Spjd 251168404Spjd/* ARGSUSED */ 252168404Spjdstatic void 253168404Spjdprint_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 254168404Spjd{ 255168404Spjd int txtype; 256168404Spjd int verbose = MAX(dump_opt['d'], dump_opt['i']); 257168404Spjd 258168404Spjd txtype = lr->lrc_txtype; 259168404Spjd 260168404Spjd ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 261168404Spjd ASSERT(lr->lrc_txg); 262168404Spjd 263168404Spjd (void) printf("\t\t%s len %6llu, txg %llu, seq %llu\n", 264168404Spjd zil_rec_info[txtype].zri_name, 265168404Spjd (u_longlong_t)lr->lrc_reclen, 266168404Spjd (u_longlong_t)lr->lrc_txg, 267168404Spjd (u_longlong_t)lr->lrc_seq); 268168404Spjd 269168404Spjd if (txtype && verbose >= 3) 270168404Spjd zil_rec_info[txtype].zri_print(zilog, txtype, lr); 271168404Spjd 272168404Spjd zil_rec_info[txtype].zri_count++; 273168404Spjd zil_rec_info[0].zri_count++; 274168404Spjd} 275168404Spjd 276168404Spjd/* ARGSUSED */ 277168404Spjdstatic void 278168404Spjdprint_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 279168404Spjd{ 280168404Spjd char blkbuf[BP_SPRINTF_LEN]; 281168404Spjd int verbose = MAX(dump_opt['d'], dump_opt['i']); 282168404Spjd char *claim; 283168404Spjd 284168404Spjd if (verbose <= 3) 285168404Spjd return; 286168404Spjd 287168404Spjd if (verbose >= 5) { 288168404Spjd (void) strcpy(blkbuf, ", "); 289168404Spjd sprintf_blkptr(blkbuf + strlen(blkbuf), 290168404Spjd BP_SPRINTF_LEN - strlen(blkbuf), bp); 291168404Spjd } else { 292168404Spjd blkbuf[0] = '\0'; 293168404Spjd } 294168404Spjd 295168404Spjd if (claim_txg != 0) 296168404Spjd claim = "already claimed"; 297168404Spjd else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 298168404Spjd claim = "will claim"; 299168404Spjd else 300168404Spjd claim = "won't claim"; 301168404Spjd 302168404Spjd (void) printf("\tBlock seqno %llu, %s%s\n", 303168404Spjd (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 304168404Spjd} 305168404Spjd 306168404Spjdstatic void 307168404Spjdprint_log_stats(int verbose) 308168404Spjd{ 309168404Spjd int i, w, p10; 310168404Spjd 311168404Spjd if (verbose > 3) 312168404Spjd (void) printf("\n"); 313168404Spjd 314168404Spjd if (zil_rec_info[0].zri_count == 0) 315168404Spjd return; 316168404Spjd 317168404Spjd for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 318168404Spjd w++; 319168404Spjd 320168404Spjd for (i = 0; i < TX_MAX_TYPE; i++) 321168404Spjd if (zil_rec_info[i].zri_count || verbose >= 3) 322168404Spjd (void) printf("\t\t%s %*llu\n", 323168404Spjd zil_rec_info[i].zri_name, w, 324168404Spjd (u_longlong_t)zil_rec_info[i].zri_count); 325168404Spjd (void) printf("\n"); 326168404Spjd} 327168404Spjd 328168404Spjd/* ARGSUSED */ 329168404Spjdvoid 330168404Spjddump_intent_log(zilog_t *zilog) 331168404Spjd{ 332168404Spjd const zil_header_t *zh = zilog->zl_header; 333168404Spjd int verbose = MAX(dump_opt['d'], dump_opt['i']); 334168404Spjd int i; 335168404Spjd 336168404Spjd if (zh->zh_log.blk_birth == 0 || verbose < 2) 337168404Spjd return; 338168404Spjd 339168404Spjd (void) printf("\n ZIL header: claim_txg %llu, seq %llu\n", 340168404Spjd (u_longlong_t)zh->zh_claim_txg, (u_longlong_t)zh->zh_replay_seq); 341168404Spjd 342168404Spjd if (verbose >= 4) 343168404Spjd print_log_bp(&zh->zh_log, "\n\tfirst block: "); 344168404Spjd 345168404Spjd for (i = 0; i < TX_MAX_TYPE; i++) 346168404Spjd zil_rec_info[i].zri_count = 0; 347168404Spjd 348168404Spjd if (verbose >= 2) { 349168404Spjd (void) printf("\n"); 350168404Spjd (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 351168404Spjd zh->zh_claim_txg); 352168404Spjd print_log_stats(verbose); 353168404Spjd } 354168404Spjd} 355