zdb_il.c revision 219089
1216115Slstewart/* 2216115Slstewart * CDDL HEADER START 3216115Slstewart * 4216115Slstewart * The contents of this file are subject to the terms of the 5216115Slstewart * Common Development and Distribution License (the "License"). 6216115Slstewart * You may not use this file except in compliance with the License. 7216115Slstewart * 8216115Slstewart * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9220560Slstewart * or http://www.opensolaris.org/os/licensing. 10220560Slstewart * See the License for the specific language governing permissions 11220560Slstewart * and limitations under the License. 12216115Slstewart * 13216115Slstewart * When distributing Covered Code, include this CDDL HEADER in each 14216115Slstewart * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15216115Slstewart * If applicable, add the following below this CDDL HEADER, with the 16216115Slstewart * fields enclosed by brackets "[]" replaced with your own identifying 17216115Slstewart * information: Portions Copyright [yyyy] [name of copyright owner] 18216115Slstewart * 19216115Slstewart * CDDL HEADER END 20216115Slstewart */ 21216115Slstewart/* 22216115Slstewart * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23216115Slstewart * Use is subject to license terms. 24216115Slstewart */ 25216115Slstewart 26216115Slstewart/* 27216115Slstewart * Print intent log header and statistics. 28216115Slstewart */ 29216115Slstewart 30216115Slstewart#include <stdio.h> 31216115Slstewart#include <stdlib.h> 32216115Slstewart#include <ctype.h> 33216115Slstewart#include <sys/zfs_context.h> 34216115Slstewart#include <sys/spa.h> 35216115Slstewart#include <sys/dmu.h> 36216115Slstewart#include <sys/stat.h> 37216115Slstewart#include <sys/resource.h> 38216115Slstewart#include <sys/zil.h> 39216115Slstewart#include <sys/zil_impl.h> 40216115Slstewart 41216115Slstewartextern uint8_t dump_opt[256]; 42216115Slstewart 43220560Slstewartstatic char prefix[4] = "\t\t\t"; 44220560Slstewart 45220560Slstewartstatic void 46220560Slstewartprint_log_bp(const blkptr_t *bp, const char *prefix) 47216115Slstewart{ 48216115Slstewart char blkbuf[BP_SPRINTF_LEN]; 49216115Slstewart 50216115Slstewart sprintf_blkptr(blkbuf, bp); 51216115Slstewart (void) printf("%s%s\n", prefix, blkbuf); 52216115Slstewart} 53216115Slstewart 54216115Slstewart/* ARGSUSED */ 55216115Slstewartstatic void 56216115Slstewartzil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr) 57216115Slstewart{ 58216115Slstewart time_t crtime = lr->lr_crtime[0]; 59216115Slstewart char *name, *link; 60216115Slstewart lr_attr_t *lrattr; 61216115Slstewart 62216115Slstewart name = (char *)(lr + 1); 63216115Slstewart 64216115Slstewart if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR || 65216115Slstewart lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) { 66216115Slstewart lrattr = (lr_attr_t *)(lr + 1); 67216115Slstewart name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); 68216115Slstewart } 69216115Slstewart 70216115Slstewart if (txtype == TX_SYMLINK) { 71216115Slstewart link = name + strlen(name) + 1; 72216115Slstewart (void) printf("%s%s -> %s\n", prefix, name, link); 73216115Slstewart } else if (txtype != TX_MKXATTR) { 74216115Slstewart (void) printf("%s%s\n", prefix, name); 75216115Slstewart } 76216115Slstewart 77216115Slstewart (void) printf("%s%s", prefix, ctime(&crtime)); 78216115Slstewart (void) printf("%sdoid %llu, foid %llu, mode %llo\n", prefix, 79216115Slstewart (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 80216115Slstewart (longlong_t)lr->lr_mode); 81216115Slstewart (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", prefix, 82216115Slstewart (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 83216115Slstewart (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 84216115Slstewart} 85216115Slstewart 86216115Slstewart/* ARGSUSED */ 87216115Slstewartstatic void 88216115Slstewartzil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr) 89216115Slstewart{ 90216115Slstewart (void) printf("%sdoid %llu, name %s\n", prefix, 91216115Slstewart (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 92216115Slstewart} 93216115Slstewart 94216115Slstewart/* ARGSUSED */ 95216115Slstewartstatic void 96216115Slstewartzil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr) 97216115Slstewart{ 98216115Slstewart (void) printf("%sdoid %llu, link_obj %llu, name %s\n", prefix, 99216115Slstewart (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 100216115Slstewart (char *)(lr + 1)); 101216115Slstewart} 102216115Slstewart 103216115Slstewart/* ARGSUSED */ 104216115Slstewartstatic void 105216115Slstewartzil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr) 106216115Slstewart{ 107216115Slstewart char *snm = (char *)(lr + 1); 108216115Slstewart char *tnm = snm + strlen(snm) + 1; 109216115Slstewart 110216115Slstewart (void) printf("%ssdoid %llu, tdoid %llu\n", prefix, 111216115Slstewart (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 112216115Slstewart (void) printf("%ssrc %s tgt %s\n", prefix, snm, tnm); 113216115Slstewart} 114216115Slstewart 115216115Slstewart/* ARGSUSED */ 116216115Slstewartstatic void 117216115Slstewartzil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr) 118216115Slstewart{ 119216115Slstewart char *data, *dlimit; 120216115Slstewart blkptr_t *bp = &lr->lr_blkptr; 121216115Slstewart zbookmark_t zb; 122216115Slstewart char buf[SPA_MAXBLOCKSIZE]; 123216115Slstewart int verbose = MAX(dump_opt['d'], dump_opt['i']); 124216115Slstewart int error; 125216115Slstewart 126216115Slstewart (void) printf("%sfoid %llu, offset %llx, length %llx\n", prefix, 127216115Slstewart (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 128216115Slstewart (u_longlong_t)lr->lr_length); 129216115Slstewart 130216115Slstewart if (txtype == TX_WRITE2 || verbose < 5) 131216115Slstewart return; 132216115Slstewart 133216115Slstewart if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 134216115Slstewart (void) printf("%shas blkptr, %s\n", prefix, 135216115Slstewart bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 136216115Slstewart "will claim" : "won't claim"); 137216115Slstewart print_log_bp(bp, prefix); 138216115Slstewart 139216115Slstewart if (BP_IS_HOLE(bp)) { 140216115Slstewart (void) printf("\t\t\tLSIZE 0x%llx\n", 141216115Slstewart (u_longlong_t)BP_GET_LSIZE(bp)); 142216115Slstewart } 143216115Slstewart if (bp->blk_birth == 0) { 144216115Slstewart bzero(buf, sizeof (buf)); 145216115Slstewart (void) printf("%s<hole>\n", prefix); 146216115Slstewart return; 147216115Slstewart } 148216115Slstewart if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 149216115Slstewart (void) printf("%s<block already committed>\n", prefix); 150216115Slstewart return; 151216115Slstewart } 152216115Slstewart 153216115Slstewart SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 154216115Slstewart lr->lr_foid, ZB_ZIL_LEVEL, 155216115Slstewart lr->lr_offset / BP_GET_LSIZE(bp)); 156216115Slstewart 157216115Slstewart error = zio_wait(zio_read(NULL, zilog->zl_spa, 158216115Slstewart bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 159216115Slstewart ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 160216115Slstewart if (error) 161216115Slstewart return; 162216115Slstewart data = buf; 163216115Slstewart } else { 164216115Slstewart data = (char *)(lr + 1); 165216115Slstewart } 166216115Slstewart 167216115Slstewart dlimit = data + MIN(lr->lr_length, 168216115Slstewart (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 169216115Slstewart 170216115Slstewart (void) printf("%s", prefix); 171217322Smdf while (data < dlimit) { 172217322Smdf if (isprint(*data)) 173216115Slstewart (void) printf("%c ", *data); 174216115Slstewart else 175216115Slstewart (void) printf("%2X", *data); 176216115Slstewart data++; 177216115Slstewart } 178216115Slstewart (void) printf("\n"); 179216115Slstewart} 180216115Slstewart 181216115Slstewart/* ARGSUSED */ 182216115Slstewartstatic void 183216115Slstewartzil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 184216115Slstewart{ 185216115Slstewart (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", prefix, 186216115Slstewart (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 187216115Slstewart (u_longlong_t)lr->lr_length); 188216115Slstewart} 189216115Slstewart 190216115Slstewart/* ARGSUSED */ 191216115Slstewartstatic void 192216115Slstewartzil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 193216115Slstewart{ 194216115Slstewart time_t atime = (time_t)lr->lr_atime[0]; 195216115Slstewart time_t mtime = (time_t)lr->lr_mtime[0]; 196216115Slstewart 197216115Slstewart (void) printf("%sfoid %llu, mask 0x%llx\n", prefix, 198216115Slstewart (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 199216115Slstewart 200216115Slstewart if (lr->lr_mask & AT_MODE) { 201216115Slstewart (void) printf("%sAT_MODE %llo\n", prefix, 202216115Slstewart (longlong_t)lr->lr_mode); 203216115Slstewart } 204216115Slstewart 205216115Slstewart if (lr->lr_mask & AT_UID) { 206216115Slstewart (void) printf("%sAT_UID %llu\n", prefix, 207216115Slstewart (u_longlong_t)lr->lr_uid); 208216115Slstewart } 209216115Slstewart 210216115Slstewart if (lr->lr_mask & AT_GID) { 211216115Slstewart (void) printf("%sAT_GID %llu\n", prefix, 212216115Slstewart (u_longlong_t)lr->lr_gid); 213216115Slstewart } 214216115Slstewart 215216115Slstewart if (lr->lr_mask & AT_SIZE) { 216216115Slstewart (void) printf("%sAT_SIZE %llu\n", prefix, 217216115Slstewart (u_longlong_t)lr->lr_size); 218216115Slstewart } 219216115Slstewart 220216115Slstewart if (lr->lr_mask & AT_ATIME) { 221216115Slstewart (void) printf("%sAT_ATIME %llu.%09llu %s", prefix, 222216115Slstewart (u_longlong_t)lr->lr_atime[0], 223216115Slstewart (u_longlong_t)lr->lr_atime[1], 224216115Slstewart ctime(&atime)); 225216115Slstewart } 226216115Slstewart 227216115Slstewart if (lr->lr_mask & AT_MTIME) { 228216115Slstewart (void) printf("%sAT_MTIME %llu.%09llu %s", prefix, 229216115Slstewart (u_longlong_t)lr->lr_mtime[0], 230216115Slstewart (u_longlong_t)lr->lr_mtime[1], 231216115Slstewart ctime(&mtime)); 232216115Slstewart } 233216115Slstewart} 234216115Slstewart 235216115Slstewart/* ARGSUSED */ 236216115Slstewartstatic void 237216115Slstewartzil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 238216115Slstewart{ 239216115Slstewart (void) printf("%sfoid %llu, aclcnt %llu\n", prefix, 240216115Slstewart (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 241216115Slstewart} 242216115Slstewart 243216115Slstewarttypedef void (*zil_prt_rec_func_t)(); 244216115Slstewarttypedef struct zil_rec_info { 245216115Slstewart zil_prt_rec_func_t zri_print; 246216115Slstewart char *zri_name; 247216115Slstewart uint64_t zri_count; 248216115Slstewart} zil_rec_info_t; 249216115Slstewart 250216115Slstewartstatic zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 251216115Slstewart { NULL, "Total " }, 252216115Slstewart { zil_prt_rec_create, "TX_CREATE " }, 253216115Slstewart { zil_prt_rec_create, "TX_MKDIR " }, 254216115Slstewart { zil_prt_rec_create, "TX_MKXATTR " }, 255216115Slstewart { zil_prt_rec_create, "TX_SYMLINK " }, 256216115Slstewart { zil_prt_rec_remove, "TX_REMOVE " }, 257216115Slstewart { zil_prt_rec_remove, "TX_RMDIR " }, 258216115Slstewart { zil_prt_rec_link, "TX_LINK " }, 259216115Slstewart { zil_prt_rec_rename, "TX_RENAME " }, 260216115Slstewart { zil_prt_rec_write, "TX_WRITE " }, 261216115Slstewart { zil_prt_rec_truncate, "TX_TRUNCATE " }, 262216115Slstewart { zil_prt_rec_setattr, "TX_SETATTR " }, 263216115Slstewart { zil_prt_rec_acl, "TX_ACL_V0 " }, 264216115Slstewart { zil_prt_rec_acl, "TX_ACL_ACL " }, 265216115Slstewart { zil_prt_rec_create, "TX_CREATE_ACL " }, 266216115Slstewart { zil_prt_rec_create, "TX_CREATE_ATTR " }, 267216115Slstewart { zil_prt_rec_create, "TX_CREATE_ACL_ATTR " }, 268216115Slstewart { zil_prt_rec_create, "TX_MKDIR_ACL " }, 269216115Slstewart { zil_prt_rec_create, "TX_MKDIR_ATTR " }, 270216115Slstewart { zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " }, 271216115Slstewart { zil_prt_rec_write, "TX_WRITE2 " }, 272216115Slstewart}; 273216115Slstewart 274216115Slstewart/* ARGSUSED */ 275216115Slstewartstatic int 276216115Slstewartprint_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 277216115Slstewart{ 278216115Slstewart int txtype; 279216115Slstewart int verbose = MAX(dump_opt['d'], dump_opt['i']); 280216115Slstewart 281216115Slstewart /* reduce size of txtype to strip off TX_CI bit */ 282216115Slstewart txtype = lr->lrc_txtype; 283216115Slstewart 284216115Slstewart ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 285216115Slstewart ASSERT(lr->lrc_txg); 286216115Slstewart 287216115Slstewart (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 288216115Slstewart (lr->lrc_txtype & TX_CI) ? "CI-" : "", 289216115Slstewart zil_rec_info[txtype].zri_name, 290216115Slstewart (u_longlong_t)lr->lrc_reclen, 291216115Slstewart (u_longlong_t)lr->lrc_txg, 292216115Slstewart (u_longlong_t)lr->lrc_seq); 293216115Slstewart 294216115Slstewart if (txtype && verbose >= 3) 295216115Slstewart zil_rec_info[txtype].zri_print(zilog, txtype, lr); 296216115Slstewart 297216115Slstewart zil_rec_info[txtype].zri_count++; 298216115Slstewart zil_rec_info[0].zri_count++; 299216115Slstewart 300216115Slstewart return (0); 301216115Slstewart} 302216115Slstewart 303216115Slstewart/* ARGSUSED */ 304216115Slstewartstatic int 305216115Slstewartprint_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 306216115Slstewart{ 307216115Slstewart char blkbuf[BP_SPRINTF_LEN + 10]; 308216115Slstewart int verbose = MAX(dump_opt['d'], dump_opt['i']); 309216115Slstewart char *claim; 310216115Slstewart 311216115Slstewart if (verbose <= 3) 312216115Slstewart return (0); 313216115Slstewart 314216115Slstewart if (verbose >= 5) { 315216115Slstewart (void) strcpy(blkbuf, ", "); 316216115Slstewart sprintf_blkptr(blkbuf + strlen(blkbuf), bp); 317216115Slstewart } else { 318216115Slstewart blkbuf[0] = '\0'; 319216115Slstewart } 320216115Slstewart 321216115Slstewart if (claim_txg != 0) 322216115Slstewart claim = "already claimed"; 323216115Slstewart else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 324216115Slstewart claim = "will claim"; 325216115Slstewart else 326216115Slstewart claim = "won't claim"; 327216115Slstewart 328216115Slstewart (void) printf("\tBlock seqno %llu, %s%s\n", 329216115Slstewart (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 330216115Slstewart 331216115Slstewart return (0); 332216115Slstewart} 333216115Slstewart 334216115Slstewartstatic void 335216115Slstewartprint_log_stats(int verbose) 336216115Slstewart{ 337216115Slstewart int i, w, p10; 338216115Slstewart 339216115Slstewart if (verbose > 3) 340216115Slstewart (void) printf("\n"); 341216115Slstewart 342216115Slstewart if (zil_rec_info[0].zri_count == 0) 343216115Slstewart return; 344216115Slstewart 345216115Slstewart for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 346216115Slstewart w++; 347216115Slstewart 348216115Slstewart for (i = 0; i < TX_MAX_TYPE; i++) 349216115Slstewart if (zil_rec_info[i].zri_count || verbose >= 3) 350216115Slstewart (void) printf("\t\t%s %*llu\n", 351216115Slstewart zil_rec_info[i].zri_name, w, 352216115Slstewart (u_longlong_t)zil_rec_info[i].zri_count); 353216115Slstewart (void) printf("\n"); 354216115Slstewart} 355216115Slstewart 356216115Slstewart/* ARGSUSED */ 357216115Slstewartvoid 358216115Slstewartdump_intent_log(zilog_t *zilog) 359216115Slstewart{ 360216115Slstewart const zil_header_t *zh = zilog->zl_header; 361216115Slstewart int verbose = MAX(dump_opt['d'], dump_opt['i']); 362216115Slstewart int i; 363216115Slstewart 364216115Slstewart if (zh->zh_log.blk_birth == 0 || verbose < 1) 365216115Slstewart return; 366216115Slstewart 367216115Slstewart (void) printf("\n ZIL header: claim_txg %llu, " 368216115Slstewart "claim_blk_seq %llu, claim_lr_seq %llu", 369216115Slstewart (u_longlong_t)zh->zh_claim_txg, 370216115Slstewart (u_longlong_t)zh->zh_claim_blk_seq, 371216115Slstewart (u_longlong_t)zh->zh_claim_lr_seq); 372216115Slstewart (void) printf(" replay_seq %llu, flags 0x%llx\n", 373216115Slstewart (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 374216115Slstewart 375216115Slstewart for (i = 0; i < TX_MAX_TYPE; i++) 376216115Slstewart zil_rec_info[i].zri_count = 0; 377216115Slstewart 378216115Slstewart if (verbose >= 2) { 379216115Slstewart (void) printf("\n"); 380216115Slstewart (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 381216115Slstewart zh->zh_claim_txg); 382216115Slstewart print_log_stats(verbose); 383216115Slstewart } 384216115Slstewart} 385216115Slstewart