1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * Copyright (c) 2013, 2017 by Delphix. All rights reserved. 28 */ 29 30 /* 31 * Print intent log header and statistics. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <ctype.h> 37 #include <sys/zfs_context.h> 38 #include <sys/spa.h> 39 #include <sys/dmu.h> 40 #include <sys/stat.h> 41 #include <sys/resource.h> 42 #include <sys/zil.h> 43 #include <sys/zil_impl.h> 44 #include <sys/spa_impl.h> 45 #include <sys/abd.h> 46 47 #include "zdb.h" 48 49 extern uint8_t dump_opt[256]; 50 51 static char tab_prefix[4] = "\t\t\t"; 52 53 static void 54 print_log_bp(const blkptr_t *bp, const char *prefix) 55 { 56 char blkbuf[BP_SPRINTF_LEN]; 57 58 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 59 (void) printf("%s%s\n", prefix, blkbuf); 60 } 61 62 /* ARGSUSED */ 63 static void 64 zil_prt_rec_create(zilog_t *zilog, int txtype, void *arg) 65 { 66 lr_create_t *lr = arg; 67 time_t crtime = lr->lr_crtime[0]; 68 char *name, *link; 69 lr_attr_t *lrattr; 70 71 name = (char *)(lr + 1); 72 73 if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR || 74 lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) { 75 lrattr = (lr_attr_t *)(lr + 1); 76 name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); 77 } 78 79 if (txtype == TX_SYMLINK) { 80 link = name + strlen(name) + 1; 81 (void) printf("%s%s -> %s\n", tab_prefix, name, link); 82 } else if (txtype != TX_MKXATTR) { 83 (void) printf("%s%s\n", tab_prefix, name); 84 } 85 86 (void) printf("%s%s", tab_prefix, ctime(&crtime)); 87 (void) printf("%sdoid %llu, foid %llu, mode %llo\n", tab_prefix, 88 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 89 (longlong_t)lr->lr_mode); 90 (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", 91 tab_prefix, 92 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 93 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 94 } 95 96 /* ARGSUSED */ 97 static void 98 zil_prt_rec_remove(zilog_t *zilog, int txtype, void *arg) 99 { 100 lr_remove_t *lr = arg; 101 102 (void) printf("%sdoid %llu, name %s\n", tab_prefix, 103 (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 104 } 105 106 /* ARGSUSED */ 107 static void 108 zil_prt_rec_link(zilog_t *zilog, int txtype, void *arg) 109 { 110 lr_link_t *lr = arg; 111 112 (void) printf("%sdoid %llu, link_obj %llu, name %s\n", tab_prefix, 113 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 114 (char *)(lr + 1)); 115 } 116 117 /* ARGSUSED */ 118 static void 119 zil_prt_rec_rename(zilog_t *zilog, int txtype, void *arg) 120 { 121 lr_rename_t *lr = arg; 122 char *snm = (char *)(lr + 1); 123 char *tnm = snm + strlen(snm) + 1; 124 125 (void) printf("%ssdoid %llu, tdoid %llu\n", tab_prefix, 126 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 127 (void) printf("%ssrc %s tgt %s\n", tab_prefix, snm, tnm); 128 } 129 130 /* ARGSUSED */ 131 static int 132 zil_prt_rec_write_cb(void *data, size_t len, void *unused) 133 { 134 char *cdata = data; 135 for (size_t i = 0; i < len; i++) { 136 if (isprint(*cdata)) 137 (void) printf("%c ", *cdata); 138 else 139 (void) printf("%2X", *cdata); 140 cdata++; 141 } 142 return (0); 143 } 144 145 /* ARGSUSED */ 146 static void 147 zil_prt_rec_write(zilog_t *zilog, int txtype, void *arg) 148 { 149 lr_write_t *lr = arg; 150 abd_t *data; 151 blkptr_t *bp = &lr->lr_blkptr; 152 zbookmark_phys_t zb; 153 int verbose = MAX(dump_opt['d'], dump_opt['i']); 154 int error; 155 156 (void) printf("%sfoid %llu, offset %llx, length %llx\n", tab_prefix, 157 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 158 (u_longlong_t)lr->lr_length); 159 160 if (txtype == TX_WRITE2 || verbose < 5) 161 return; 162 163 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 164 (void) printf("%shas blkptr, %s\n", tab_prefix, 165 !BP_IS_HOLE(bp) && 166 bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa) ? 167 "will claim" : "won't claim"); 168 print_log_bp(bp, tab_prefix); 169 170 if (BP_IS_HOLE(bp)) { 171 (void) printf("\t\t\tLSIZE 0x%llx\n", 172 (u_longlong_t)BP_GET_LSIZE(bp)); 173 (void) printf("%s<hole>\n", tab_prefix); 174 return; 175 } 176 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 177 (void) printf("%s<block already committed>\n", 178 tab_prefix); 179 return; 180 } 181 182 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 183 lr->lr_foid, ZB_ZIL_LEVEL, 184 lr->lr_offset / BP_GET_LSIZE(bp)); 185 186 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE); 187 error = zio_wait(zio_read(NULL, zilog->zl_spa, 188 bp, data, BP_GET_LSIZE(bp), NULL, NULL, 189 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 190 if (error) 191 goto out; 192 } else { 193 /* data is stored after the end of the lr_write record */ 194 data = abd_alloc(lr->lr_length, B_FALSE); 195 abd_copy_from_buf(data, lr + 1, lr->lr_length); 196 } 197 198 (void) printf("%s", tab_prefix); 199 (void) abd_iterate_func(data, 200 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)), 201 zil_prt_rec_write_cb, NULL); 202 (void) printf("\n"); 203 204 out: 205 abd_free(data); 206 } 207 208 /* ARGSUSED */ 209 static void 210 zil_prt_rec_truncate(zilog_t *zilog, int txtype, void *arg) 211 { 212 lr_truncate_t *lr = arg; 213 214 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix, 215 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 216 (u_longlong_t)lr->lr_length); 217 } 218 219 /* ARGSUSED */ 220 static void 221 zil_prt_rec_setattr(zilog_t *zilog, int txtype, void *arg) 222 { 223 lr_setattr_t *lr = arg; 224 time_t atime = (time_t)lr->lr_atime[0]; 225 time_t mtime = (time_t)lr->lr_mtime[0]; 226 227 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix, 228 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 229 230 if (lr->lr_mask & AT_MODE) { 231 (void) printf("%sAT_MODE %llo\n", tab_prefix, 232 (longlong_t)lr->lr_mode); 233 } 234 235 if (lr->lr_mask & AT_UID) { 236 (void) printf("%sAT_UID %llu\n", tab_prefix, 237 (u_longlong_t)lr->lr_uid); 238 } 239 240 if (lr->lr_mask & AT_GID) { 241 (void) printf("%sAT_GID %llu\n", tab_prefix, 242 (u_longlong_t)lr->lr_gid); 243 } 244 245 if (lr->lr_mask & AT_SIZE) { 246 (void) printf("%sAT_SIZE %llu\n", tab_prefix, 247 (u_longlong_t)lr->lr_size); 248 } 249 250 if (lr->lr_mask & AT_ATIME) { 251 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix, 252 (u_longlong_t)lr->lr_atime[0], 253 (u_longlong_t)lr->lr_atime[1], 254 ctime(&atime)); 255 } 256 257 if (lr->lr_mask & AT_MTIME) { 258 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix, 259 (u_longlong_t)lr->lr_mtime[0], 260 (u_longlong_t)lr->lr_mtime[1], 261 ctime(&mtime)); 262 } 263 } 264 265 /* ARGSUSED */ 266 static void 267 zil_prt_rec_acl(zilog_t *zilog, int txtype, void *arg) 268 { 269 lr_acl_t *lr = arg; 270 271 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix, 272 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 273 } 274 275 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, void *); 276 typedef struct zil_rec_info { 277 zil_prt_rec_func_t zri_print; 278 const char *zri_name; 279 uint64_t zri_count; 280 } zil_rec_info_t; 281 282 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 283 {.zri_print = NULL, .zri_name = "Total "}, 284 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "}, 285 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "}, 286 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "}, 287 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "}, 288 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "}, 289 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "}, 290 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "}, 291 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "}, 292 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE "}, 293 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "}, 294 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "}, 295 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "}, 296 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "}, 297 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "}, 298 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "}, 299 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "}, 300 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "}, 301 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "}, 302 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "}, 303 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "}, 304 }; 305 306 /* ARGSUSED */ 307 static int 308 print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 309 { 310 int txtype; 311 int verbose = MAX(dump_opt['d'], dump_opt['i']); 312 313 /* reduce size of txtype to strip off TX_CI bit */ 314 txtype = lr->lrc_txtype; 315 316 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 317 ASSERT(lr->lrc_txg); 318 319 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 320 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 321 zil_rec_info[txtype].zri_name, 322 (u_longlong_t)lr->lrc_reclen, 323 (u_longlong_t)lr->lrc_txg, 324 (u_longlong_t)lr->lrc_seq); 325 326 if (txtype && verbose >= 3) 327 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 328 329 zil_rec_info[txtype].zri_count++; 330 zil_rec_info[0].zri_count++; 331 332 return (0); 333 } 334 335 /* ARGSUSED */ 336 static int 337 print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 338 { 339 char blkbuf[BP_SPRINTF_LEN + 10]; 340 int verbose = MAX(dump_opt['d'], dump_opt['i']); 341 const char *claim; 342 343 if (verbose <= 3) 344 return (0); 345 346 if (verbose >= 5) { 347 (void) strcpy(blkbuf, ", "); 348 snprintf_blkptr(blkbuf + strlen(blkbuf), 349 sizeof (blkbuf) - strlen(blkbuf), bp); 350 } else { 351 blkbuf[0] = '\0'; 352 } 353 354 if (claim_txg != 0) 355 claim = "already claimed"; 356 else if (bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa)) 357 claim = "will claim"; 358 else 359 claim = "won't claim"; 360 361 (void) printf("\tBlock seqno %llu, %s%s\n", 362 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 363 364 return (0); 365 } 366 367 static void 368 print_log_stats(int verbose) 369 { 370 unsigned i, w, p10; 371 372 if (verbose > 3) 373 (void) printf("\n"); 374 375 if (zil_rec_info[0].zri_count == 0) 376 return; 377 378 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 379 w++; 380 381 for (i = 0; i < TX_MAX_TYPE; i++) 382 if (zil_rec_info[i].zri_count || verbose >= 3) 383 (void) printf("\t\t%s %*llu\n", 384 zil_rec_info[i].zri_name, w, 385 (u_longlong_t)zil_rec_info[i].zri_count); 386 (void) printf("\n"); 387 } 388 389 /* ARGSUSED */ 390 void 391 dump_intent_log(zilog_t *zilog) 392 { 393 const zil_header_t *zh = zilog->zl_header; 394 int verbose = MAX(dump_opt['d'], dump_opt['i']); 395 int i; 396 397 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1) 398 return; 399 400 (void) printf("\n ZIL header: claim_txg %llu, " 401 "claim_blk_seq %llu, claim_lr_seq %llu", 402 (u_longlong_t)zh->zh_claim_txg, 403 (u_longlong_t)zh->zh_claim_blk_seq, 404 (u_longlong_t)zh->zh_claim_lr_seq); 405 (void) printf(" replay_seq %llu, flags 0x%llx\n", 406 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 407 408 for (i = 0; i < TX_MAX_TYPE; i++) 409 zil_rec_info[i].zri_count = 0; 410 411 /* see comment in zil_claim() or zil_check_log_chain() */ 412 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 && 413 zh->zh_claim_txg == 0) 414 return; 415 416 if (verbose >= 2) { 417 (void) printf("\n"); 418 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 419 zh->zh_claim_txg); 420 print_log_stats(verbose); 421 } 422 } 423