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 void 44 print_log_bp(const blkptr_t *bp, const char *prefix) 45 { 46 char blkbuf[BP_SPRINTF_LEN]; 47 48 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 49 (void) printf("%s%s\n", prefix, blkbuf); 50 } 51 52 /* ARGSUSED */ 53 static void 54 zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr) 55 { 56 time_t crtime = lr->lr_crtime[0]; 57 char *name = (char *)(lr + 1); 58 char *link = name + strlen(name) + 1; 59 60 if (txtype == TX_SYMLINK) 61 (void) printf("\t\t\t%s -> %s\n", name, link); 62 else 63 (void) printf("\t\t\t%s\n", name); 64 65 (void) printf("\t\t\t%s", ctime(&crtime)); 66 (void) printf("\t\t\tdoid %llu, foid %llu, mode %llo\n", 67 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 68 (longlong_t)lr->lr_mode); 69 (void) printf("\t\t\tuid %llu, gid %llu, gen %llu, rdev 0x%llx\n", 70 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 71 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 72 } 73 74 /* ARGSUSED */ 75 static void 76 zil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr) 77 { 78 (void) printf("\t\t\tdoid %llu, name %s\n", 79 (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 80 } 81 82 /* ARGSUSED */ 83 static void 84 zil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr) 85 { 86 (void) printf("\t\t\tdoid %llu, link_obj %llu, name %s\n", 87 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 88 (char *)(lr + 1)); 89 } 90 91 /* ARGSUSED */ 92 static void 93 zil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr) 94 { 95 char *snm = (char *)(lr + 1); 96 char *tnm = snm + strlen(snm) + 1; 97 98 (void) printf("\t\t\tsdoid %llu, tdoid %llu\n", 99 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 100 (void) printf("\t\t\tsrc %s tgt %s\n", snm, tnm); 101 } 102 103 /* ARGSUSED */ 104 static void 105 zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr) 106 { 107 char *data, *dlimit; 108 blkptr_t *bp = &lr->lr_blkptr; 109 char buf[SPA_MAXBLOCKSIZE]; 110 int verbose = MAX(dump_opt['d'], dump_opt['i']); 111 int error; 112 113 (void) printf("\t\t\tfoid %llu, offset 0x%llx," 114 " length 0x%llx, blkoff 0x%llx\n", 115 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 116 (u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blkoff); 117 118 if (verbose < 5) 119 return; 120 121 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 122 (void) printf("\t\t\thas blkptr, %s\n", 123 bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 124 "will claim" : "won't claim"); 125 print_log_bp(bp, "\t\t\t"); 126 if (bp->blk_birth == 0) { 127 bzero(buf, sizeof (buf)); 128 } else { 129 zbookmark_t zb; 130 131 ASSERT3U(bp->blk_cksum.zc_word[ZIL_ZC_OBJSET], ==, 132 dmu_objset_id(zilog->zl_os)); 133 134 zb.zb_objset = bp->blk_cksum.zc_word[ZIL_ZC_OBJSET]; 135 zb.zb_object = 0; 136 zb.zb_level = -1; 137 zb.zb_blkid = bp->blk_cksum.zc_word[ZIL_ZC_SEQ]; 138 139 error = zio_wait(zio_read(NULL, zilog->zl_spa, 140 bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 141 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 142 if (error) 143 return; 144 } 145 data = buf + lr->lr_blkoff; 146 } else { 147 data = (char *)(lr + 1); 148 } 149 150 dlimit = data + MIN(lr->lr_length, 151 (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 152 153 (void) printf("\t\t\t"); 154 while (data < dlimit) { 155 if (isprint(*data)) 156 (void) printf("%c ", *data); 157 else 158 (void) printf("%2X", *data); 159 data++; 160 } 161 (void) printf("\n"); 162 } 163 164 /* ARGSUSED */ 165 static void 166 zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 167 { 168 (void) printf("\t\t\tfoid %llu, offset 0x%llx, length 0x%llx\n", 169 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 170 (u_longlong_t)lr->lr_length); 171 } 172 173 /* ARGSUSED */ 174 static void 175 zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 176 { 177 time_t atime = (time_t)lr->lr_atime[0]; 178 time_t mtime = (time_t)lr->lr_mtime[0]; 179 180 (void) printf("\t\t\tfoid %llu, mask 0x%llx\n", 181 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 182 183 if (lr->lr_mask & AT_MODE) { 184 (void) printf("\t\t\tAT_MODE %llo\n", 185 (longlong_t)lr->lr_mode); 186 } 187 188 if (lr->lr_mask & AT_UID) { 189 (void) printf("\t\t\tAT_UID %llu\n", 190 (u_longlong_t)lr->lr_uid); 191 } 192 193 if (lr->lr_mask & AT_GID) { 194 (void) printf("\t\t\tAT_GID %llu\n", 195 (u_longlong_t)lr->lr_gid); 196 } 197 198 if (lr->lr_mask & AT_SIZE) { 199 (void) printf("\t\t\tAT_SIZE %llu\n", 200 (u_longlong_t)lr->lr_size); 201 } 202 203 if (lr->lr_mask & AT_ATIME) { 204 (void) printf("\t\t\tAT_ATIME %llu.%09llu %s", 205 (u_longlong_t)lr->lr_atime[0], 206 (u_longlong_t)lr->lr_atime[1], 207 ctime(&atime)); 208 } 209 210 if (lr->lr_mask & AT_MTIME) { 211 (void) printf("\t\t\tAT_MTIME %llu.%09llu %s", 212 (u_longlong_t)lr->lr_mtime[0], 213 (u_longlong_t)lr->lr_mtime[1], 214 ctime(&mtime)); 215 } 216 } 217 218 /* ARGSUSED */ 219 static void 220 zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 221 { 222 (void) printf("\t\t\tfoid %llu, aclcnt %llu\n", 223 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 224 } 225 226 typedef void (*zil_prt_rec_func_t)(); 227 typedef struct zil_rec_info { 228 zil_prt_rec_func_t zri_print; 229 char *zri_name; 230 uint64_t zri_count; 231 } zil_rec_info_t; 232 233 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 234 { NULL, "Total " }, 235 { zil_prt_rec_create, "TX_CREATE " }, 236 { zil_prt_rec_create, "TX_MKDIR " }, 237 { zil_prt_rec_create, "TX_MKXATTR " }, 238 { zil_prt_rec_create, "TX_SYMLINK " }, 239 { zil_prt_rec_remove, "TX_REMOVE " }, 240 { zil_prt_rec_remove, "TX_RMDIR " }, 241 { zil_prt_rec_link, "TX_LINK " }, 242 { zil_prt_rec_rename, "TX_RENAME " }, 243 { zil_prt_rec_write, "TX_WRITE " }, 244 { zil_prt_rec_truncate, "TX_TRUNCATE " }, 245 { zil_prt_rec_setattr, "TX_SETATTR " }, 246 { zil_prt_rec_acl, "TX_ACL_V0 " }, 247 { zil_prt_rec_acl, "TX_ACL_ACL " }, 248 { zil_prt_rec_create, "TX_CREATE_ACL " }, 249 { zil_prt_rec_create, "TX_CREATE_ATTR " }, 250 { zil_prt_rec_create, "TX_CREATE_ACL_ATTR " }, 251 { zil_prt_rec_create, "TX_MKDIR_ACL " }, 252 { zil_prt_rec_create, "TX_MKDIR_ATTR " }, 253 { zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " }, 254 }; 255 256 /* ARGSUSED */ 257 static void 258 print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 259 { 260 int txtype; 261 int verbose = MAX(dump_opt['d'], dump_opt['i']); 262 263 /* reduce size of txtype to strip off TX_CI bit */ 264 txtype = lr->lrc_txtype; 265 266 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 267 ASSERT(lr->lrc_txg); 268 269 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 270 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 271 zil_rec_info[txtype].zri_name, 272 (u_longlong_t)lr->lrc_reclen, 273 (u_longlong_t)lr->lrc_txg, 274 (u_longlong_t)lr->lrc_seq); 275 276 if (txtype && verbose >= 3) 277 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 278 279 zil_rec_info[txtype].zri_count++; 280 zil_rec_info[0].zri_count++; 281 } 282 283 /* ARGSUSED */ 284 static void 285 print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 286 { 287 char blkbuf[BP_SPRINTF_LEN]; 288 int verbose = MAX(dump_opt['d'], dump_opt['i']); 289 char *claim; 290 291 if (verbose <= 3) 292 return; 293 294 if (verbose >= 5) { 295 (void) strcpy(blkbuf, ", "); 296 sprintf_blkptr(blkbuf + strlen(blkbuf), 297 BP_SPRINTF_LEN - strlen(blkbuf), bp); 298 } else { 299 blkbuf[0] = '\0'; 300 } 301 302 if (claim_txg != 0) 303 claim = "already claimed"; 304 else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 305 claim = "will claim"; 306 else 307 claim = "won't claim"; 308 309 (void) printf("\tBlock seqno %llu, %s%s\n", 310 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 311 } 312 313 static void 314 print_log_stats(int verbose) 315 { 316 int i, w, p10; 317 318 if (verbose > 3) 319 (void) printf("\n"); 320 321 if (zil_rec_info[0].zri_count == 0) 322 return; 323 324 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 325 w++; 326 327 for (i = 0; i < TX_MAX_TYPE; i++) 328 if (zil_rec_info[i].zri_count || verbose >= 3) 329 (void) printf("\t\t%s %*llu\n", 330 zil_rec_info[i].zri_name, w, 331 (u_longlong_t)zil_rec_info[i].zri_count); 332 (void) printf("\n"); 333 } 334 335 /* ARGSUSED */ 336 void 337 dump_intent_log(zilog_t *zilog) 338 { 339 const zil_header_t *zh = zilog->zl_header; 340 int verbose = MAX(dump_opt['d'], dump_opt['i']); 341 int i; 342 343 if (zh->zh_log.blk_birth == 0 || verbose < 2) 344 return; 345 346 (void) printf("\n ZIL header: claim_txg %llu, claim_seq %llu", 347 (u_longlong_t)zh->zh_claim_txg, (u_longlong_t)zh->zh_claim_seq); 348 (void) printf(" replay_seq %llu, flags 0x%llx\n", 349 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 350 351 if (verbose >= 4) 352 print_log_bp(&zh->zh_log, "\n\tfirst block: "); 353 354 for (i = 0; i < TX_MAX_TYPE; i++) 355 zil_rec_info[i].zri_count = 0; 356 357 if (verbose >= 2) { 358 (void) printf("\n"); 359 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 360 zh->zh_claim_txg); 361 print_log_stats(verbose); 362 } 363 } 364