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 * Print intent log header and statistics. 28 */ 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <ctype.h> 33 #include <sys/zfs_context.h> 34 #include <sys/spa.h> 35 #include <sys/dmu.h> 36 #include <sys/stat.h> 37 #include <sys/resource.h> 38 #include <sys/zil.h> 39 #include <sys/zil_impl.h> 40 41 extern uint8_t dump_opt[256]; 42 43 static char prefix[4] = "\t\t\t"; 44 45 static void 46 print_log_bp(const blkptr_t *bp, const char *prefix) 47 { 48 char blkbuf[BP_SPRINTF_LEN]; 49 50 sprintf_blkptr(blkbuf, bp); 51 (void) printf("%s%s\n", prefix, blkbuf); 52 } 53 54 /* ARGSUSED */ 55 static void 56 zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr) 57 { 58 time_t crtime = lr->lr_crtime[0]; 59 char *name, *link; 60 lr_attr_t *lrattr; 61 62 name = (char *)(lr + 1); 63 64 if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR || 65 lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) { 66 lrattr = (lr_attr_t *)(lr + 1); 67 name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); 68 } 69 70 if (txtype == TX_SYMLINK) { 71 link = name + strlen(name) + 1; 72 (void) printf("%s%s -> %s\n", prefix, name, link); 73 } else if (txtype != TX_MKXATTR) { 74 (void) printf("%s%s\n", prefix, name); 75 } 76 77 (void) printf("%s%s", prefix, ctime(&crtime)); 78 (void) printf("%sdoid %llu, foid %llu, mode %llo\n", prefix, 79 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 80 (longlong_t)lr->lr_mode); 81 (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", prefix, 82 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 83 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 84 } 85 86 /* ARGSUSED */ 87 static void 88 zil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr) 89 { 90 (void) printf("%sdoid %llu, name %s\n", prefix, 91 (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 92 } 93 94 /* ARGSUSED */ 95 static void 96 zil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr) 97 { 98 (void) printf("%sdoid %llu, link_obj %llu, name %s\n", prefix, 99 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 100 (char *)(lr + 1)); 101 } 102 103 /* ARGSUSED */ 104 static void 105 zil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr) 106 { 107 char *snm = (char *)(lr + 1); 108 char *tnm = snm + strlen(snm) + 1; 109 110 (void) printf("%ssdoid %llu, tdoid %llu\n", prefix, 111 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 112 (void) printf("%ssrc %s tgt %s\n", prefix, snm, tnm); 113 } 114 115 /* ARGSUSED */ 116 static void 117 zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr) 118 { 119 char *data, *dlimit; 120 blkptr_t *bp = &lr->lr_blkptr; 121 zbookmark_t zb; 122 char buf[SPA_MAXBLOCKSIZE]; 123 int verbose = MAX(dump_opt['d'], dump_opt['i']); 124 int error; 125 126 (void) printf("%sfoid %llu, offset %llx, length %llx\n", prefix, 127 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 128 (u_longlong_t)lr->lr_length); 129 130 if (txtype == TX_WRITE2 || verbose < 5) 131 return; 132 133 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 134 (void) printf("%shas blkptr, %s\n", prefix, 135 bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 136 "will claim" : "won't claim"); 137 print_log_bp(bp, prefix); 138 139 if (BP_IS_HOLE(bp)) { 140 (void) printf("\t\t\tLSIZE 0x%llx\n", 141 (u_longlong_t)BP_GET_LSIZE(bp)); 142 } 143 if (bp->blk_birth == 0) { 144 bzero(buf, sizeof (buf)); 145 (void) printf("%s<hole>\n", prefix); 146 return; 147 } 148 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 149 (void) printf("%s<block already committed>\n", prefix); 150 return; 151 } 152 153 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 154 lr->lr_foid, ZB_ZIL_LEVEL, 155 lr->lr_offset / BP_GET_LSIZE(bp)); 156 157 error = zio_wait(zio_read(NULL, zilog->zl_spa, 158 bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 159 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 160 if (error) 161 return; 162 data = buf; 163 } else { 164 data = (char *)(lr + 1); 165 } 166 167 dlimit = data + MIN(lr->lr_length, 168 (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 169 170 (void) printf("%s", prefix); 171 while (data < dlimit) { 172 if (isprint(*data)) 173 (void) printf("%c ", *data); 174 else 175 (void) printf("%2X", *data); 176 data++; 177 } 178 (void) printf("\n"); 179 } 180 181 /* ARGSUSED */ 182 static void 183 zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 184 { 185 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", prefix, 186 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 187 (u_longlong_t)lr->lr_length); 188 } 189 190 /* ARGSUSED */ 191 static void 192 zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 193 { 194 time_t atime = (time_t)lr->lr_atime[0]; 195 time_t mtime = (time_t)lr->lr_mtime[0]; 196 197 (void) printf("%sfoid %llu, mask 0x%llx\n", prefix, 198 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 199 200 if (lr->lr_mask & AT_MODE) { 201 (void) printf("%sAT_MODE %llo\n", prefix, 202 (longlong_t)lr->lr_mode); 203 } 204 205 if (lr->lr_mask & AT_UID) { 206 (void) printf("%sAT_UID %llu\n", prefix, 207 (u_longlong_t)lr->lr_uid); 208 } 209 210 if (lr->lr_mask & AT_GID) { 211 (void) printf("%sAT_GID %llu\n", prefix, 212 (u_longlong_t)lr->lr_gid); 213 } 214 215 if (lr->lr_mask & AT_SIZE) { 216 (void) printf("%sAT_SIZE %llu\n", prefix, 217 (u_longlong_t)lr->lr_size); 218 } 219 220 if (lr->lr_mask & AT_ATIME) { 221 (void) printf("%sAT_ATIME %llu.%09llu %s", prefix, 222 (u_longlong_t)lr->lr_atime[0], 223 (u_longlong_t)lr->lr_atime[1], 224 ctime(&atime)); 225 } 226 227 if (lr->lr_mask & AT_MTIME) { 228 (void) printf("%sAT_MTIME %llu.%09llu %s", prefix, 229 (u_longlong_t)lr->lr_mtime[0], 230 (u_longlong_t)lr->lr_mtime[1], 231 ctime(&mtime)); 232 } 233 } 234 235 /* ARGSUSED */ 236 static void 237 zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 238 { 239 (void) printf("%sfoid %llu, aclcnt %llu\n", prefix, 240 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 241 } 242 243 typedef void (*zil_prt_rec_func_t)(); 244 typedef struct zil_rec_info { 245 zil_prt_rec_func_t zri_print; 246 char *zri_name; 247 uint64_t zri_count; 248 } zil_rec_info_t; 249 250 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 251 { NULL, "Total " }, 252 { zil_prt_rec_create, "TX_CREATE " }, 253 { zil_prt_rec_create, "TX_MKDIR " }, 254 { zil_prt_rec_create, "TX_MKXATTR " }, 255 { zil_prt_rec_create, "TX_SYMLINK " }, 256 { zil_prt_rec_remove, "TX_REMOVE " }, 257 { zil_prt_rec_remove, "TX_RMDIR " }, 258 { zil_prt_rec_link, "TX_LINK " }, 259 { zil_prt_rec_rename, "TX_RENAME " }, 260 { zil_prt_rec_write, "TX_WRITE " }, 261 { zil_prt_rec_truncate, "TX_TRUNCATE " }, 262 { zil_prt_rec_setattr, "TX_SETATTR " }, 263 { zil_prt_rec_acl, "TX_ACL_V0 " }, 264 { zil_prt_rec_acl, "TX_ACL_ACL " }, 265 { zil_prt_rec_create, "TX_CREATE_ACL " }, 266 { zil_prt_rec_create, "TX_CREATE_ATTR " }, 267 { zil_prt_rec_create, "TX_CREATE_ACL_ATTR " }, 268 { zil_prt_rec_create, "TX_MKDIR_ACL " }, 269 { zil_prt_rec_create, "TX_MKDIR_ATTR " }, 270 { zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " }, 271 { zil_prt_rec_write, "TX_WRITE2 " }, 272 }; 273 274 /* ARGSUSED */ 275 static int 276 print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 277 { 278 int txtype; 279 int verbose = MAX(dump_opt['d'], dump_opt['i']); 280 281 /* reduce size of txtype to strip off TX_CI bit */ 282 txtype = lr->lrc_txtype; 283 284 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 285 ASSERT(lr->lrc_txg); 286 287 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 288 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 289 zil_rec_info[txtype].zri_name, 290 (u_longlong_t)lr->lrc_reclen, 291 (u_longlong_t)lr->lrc_txg, 292 (u_longlong_t)lr->lrc_seq); 293 294 if (txtype && verbose >= 3) 295 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 296 297 zil_rec_info[txtype].zri_count++; 298 zil_rec_info[0].zri_count++; 299 300 return (0); 301 } 302 303 /* ARGSUSED */ 304 static int 305 print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 306 { 307 char blkbuf[BP_SPRINTF_LEN + 10]; 308 int verbose = MAX(dump_opt['d'], dump_opt['i']); 309 char *claim; 310 311 if (verbose <= 3) 312 return (0); 313 314 if (verbose >= 5) { 315 (void) strcpy(blkbuf, ", "); 316 sprintf_blkptr(blkbuf + strlen(blkbuf), bp); 317 } else { 318 blkbuf[0] = '\0'; 319 } 320 321 if (claim_txg != 0) 322 claim = "already claimed"; 323 else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 324 claim = "will claim"; 325 else 326 claim = "won't claim"; 327 328 (void) printf("\tBlock seqno %llu, %s%s\n", 329 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 330 331 return (0); 332 } 333 334 static void 335 print_log_stats(int verbose) 336 { 337 int i, w, p10; 338 339 if (verbose > 3) 340 (void) printf("\n"); 341 342 if (zil_rec_info[0].zri_count == 0) 343 return; 344 345 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 346 w++; 347 348 for (i = 0; i < TX_MAX_TYPE; i++) 349 if (zil_rec_info[i].zri_count || verbose >= 3) 350 (void) printf("\t\t%s %*llu\n", 351 zil_rec_info[i].zri_name, w, 352 (u_longlong_t)zil_rec_info[i].zri_count); 353 (void) printf("\n"); 354 } 355 356 /* ARGSUSED */ 357 void 358 dump_intent_log(zilog_t *zilog) 359 { 360 const zil_header_t *zh = zilog->zl_header; 361 int verbose = MAX(dump_opt['d'], dump_opt['i']); 362 int i; 363 364 if (zh->zh_log.blk_birth == 0 || verbose < 1) 365 return; 366 367 (void) printf("\n ZIL header: claim_txg %llu, " 368 "claim_blk_seq %llu, claim_lr_seq %llu", 369 (u_longlong_t)zh->zh_claim_txg, 370 (u_longlong_t)zh->zh_claim_blk_seq, 371 (u_longlong_t)zh->zh_claim_lr_seq); 372 (void) printf(" replay_seq %llu, flags 0x%llx\n", 373 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 374 375 for (i = 0; i < TX_MAX_TYPE; i++) 376 zil_rec_info[i].zri_count = 0; 377 378 if (verbose >= 2) { 379 (void) printf("\n"); 380 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 381 zh->zh_claim_txg); 382 print_log_stats(verbose); 383 } 384 } 385