opdump.c revision 1.31
1/* $NetBSD: opdump.c,v 1.31 2010/05/20 13:07:28 pooka Exp $ */ 2 3/* 4 * Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved. 5 * 6 * Development of this software was supported by the 7 * Google Summer of Code program and the Ulla Tuominen Foundation. 8 * The Google SoC project was mentored by Bill Studenmund. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* Pretty-printing helper routines for VFS/VOP request contents */ 33 34/* yes, this is pretty much a mess */ 35 36#include <sys/cdefs.h> 37#if !defined(lint) 38__RCSID("$NetBSD: opdump.c,v 1.31 2010/05/20 13:07:28 pooka Exp $"); 39#endif /* !lint */ 40 41#include <sys/types.h> 42#include <sys/time.h> 43 44#include <puffs.h> 45#include <puffsdump.h> 46#include <stdio.h> 47 48#include "puffs_priv.h" 49 50#define DINT " " 51 52/* XXX! */ 53const char *vfsop_revmap[] = { 54 "PUFFS_VFS_MOUNT", 55 "PUFFS_VFS_START", 56 "PUFFS_VFS_UNMOUNT", 57 "PUFFS_VFS_ROOT", 58 "PUFFS_VFS_STATVFS", 59 "PUFFS_VFS_SYNC", 60 "PUFFS_VFS_VGET", 61 "PUFFS_VFS_FHTOVP", 62 "PUFFS_VFS_VPTOFH", 63 "PUFFS_VFS_INIT", 64 "PUFFS_VFS_DONE", 65 "PUFFS_VFS_SNAPSHOT", 66 "PUFFS_VFS_EXTATTRCTL", 67 "PUFFS_VFS_SUSPEND" 68}; 69/* XXX! */ 70const char *vnop_revmap[] = { 71 "PUFFS_VN_LOOKUP", 72 "PUFFS_VN_CREATE", 73 "PUFFS_VN_MKNOD", 74 "PUFFS_VN_OPEN", 75 "PUFFS_VN_CLOSE", 76 "PUFFS_VN_ACCESS", 77 "PUFFS_VN_GETATTR", 78 "PUFFS_VN_SETATTR", 79 "PUFFS_VN_READ", 80 "PUFFS_VN_WRITE", 81 "PUFFS_VN_IOCTL", 82 "PUFFS_VN_FCNTL", 83 "PUFFS_VN_POLL", 84 "PUFFS_VN_KQFILTER", 85 "PUFFS_VN_REVOKE", 86 "PUFFS_VN_MMAP", 87 "PUFFS_VN_FSYNC", 88 "PUFFS_VN_SEEK", 89 "PUFFS_VN_REMOVE", 90 "PUFFS_VN_LINK", 91 "PUFFS_VN_RENAME", 92 "PUFFS_VN_MKDIR", 93 "PUFFS_VN_RMDIR", 94 "PUFFS_VN_SYMLINK", 95 "PUFFS_VN_READDIR", 96 "PUFFS_VN_READLINK", 97 "PUFFS_VN_ABORTOP", 98 "PUFFS_VN_INACTIVE", 99 "PUFFS_VN_RECLAIM", 100 "PUFFS_VN_LOCK", 101 "PUFFS_VN_UNLOCK", 102 "PUFFS_VN_BMAP", 103 "PUFFS_VN_STRATEGY", 104 "PUFFS_VN_PRINT", 105 "PUFFS_VN_ISLOCKED", 106 "PUFFS_VN_PATHCONF", 107 "PUFFS_VN_ADVLOCK", 108 "PUFFS_VN_LEASE", 109 "PUFFS_VN_WHITEOUT", 110 "PUFFS_VN_GETPAGES", 111 "PUFFS_VN_PUTPAGES", 112 "PUFFS_VN_GETEXTATTR", 113 "PUFFS_VN_LISTEXTATTR", 114 "PUFFS_VN_OPENEXTATTR", 115 "PUFFS_VN_DELETEEXTATTR", 116 "PUFFS_VN_SETEXTATTR", 117}; 118/* XXX! */ 119const char *cacheop_revmap[] = { 120 "PUFFS_CACHE_WRITE" 121}; 122/* XXX! */ 123const char *errnot_revmap[] = { 124 "PUFFS_ERR_MAKENODE", 125 "PUFFS_ERR_LOOKUP", 126 "PUFFS_ERR_READDIR", 127 "PUFFS_ERR_READLINK", 128 "PUFFS_ERR_READ", 129 "PUFFS_ERR_WRITE", 130 "PUFFS_ERR_VPTOFH" 131}; 132/* XXX! */ 133const char *flush_revmap[] = { 134 "PUFFS_INVAL_NAMECACHE_NODE", 135 "PUFFS_INVAL_NAMECACHE_DIR", 136 "PUFFS_INVAL_NAMECACHE_ALL", 137 "PUFFS_INVAL_PAGECACHE_NODE_RANGE", 138 "PUFFS_FLUSH_PAGECACHE_NODE_RANGE", 139}; 140 141void 142puffsdump_req(struct puffs_req *preq) 143{ 144 static struct timeval tv_prev; 145 struct timeval tv_now, tv; 146 const char **map; 147 int isvn = 0; 148 149 printf("reqid: %" PRIu64 ", ", preq->preq_id); 150 switch (PUFFSOP_OPCLASS(preq->preq_opclass)) { 151 case PUFFSOP_VFS: 152 map = vfsop_revmap; 153 break; 154 case PUFFSOP_VN: 155 map = vnop_revmap; 156 isvn = 1; 157 break; 158 case PUFFSOP_CACHE: 159 map = cacheop_revmap; 160 break; 161 case PUFFSOP_ERROR: 162 map = errnot_revmap; 163 break; 164 case PUFFSOP_FLUSH: 165 map = flush_revmap; 166 break; 167 default: 168 printf("unhandled opclass\n"); 169 return; 170 } 171 172 printf("opclass %d%s, optype: %s, " 173 "cookie: %p,\n" DINT "aux: %p, auxlen: %zu, pid: %d, lwpid: %d\n", 174 PUFFSOP_OPCLASS(preq->preq_opclass), 175 PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)", 176 map[preq->preq_optype], preq->preq_cookie, 177 preq->preq_buf, preq->preq_buflen, 178 preq->preq_pid, preq->preq_lid); 179 180 if (isvn) { 181 switch (preq->preq_optype) { 182 case PUFFS_VN_LOOKUP: 183 puffsdump_lookup(preq); 184 break; 185 case PUFFS_VN_READ: 186 case PUFFS_VN_WRITE: 187 puffsdump_readwrite(preq); 188 break; 189 case PUFFS_VN_OPEN: 190 puffsdump_open(preq); 191 break; 192 case PUFFS_VN_REMOVE: 193 case PUFFS_VN_RMDIR: 194 case PUFFS_VN_LINK: 195 puffsdump_targ(preq); 196 break; 197 case PUFFS_VN_READDIR: 198 puffsdump_readdir(preq); 199 break; 200 case PUFFS_VN_CREATE: 201 case PUFFS_VN_MKDIR: 202 case PUFFS_VN_MKNOD: 203 case PUFFS_VN_SYMLINK: 204 puffsdump_create(preq); 205 break; 206 case PUFFS_VN_SETATTR: 207 puffsdump_attr(preq); 208 break; 209 default: 210 break; 211 } 212 } 213 214 PU_LOCK(); 215 gettimeofday(&tv_now, NULL); 216 timersub(&tv_now, &tv_prev, &tv); 217 printf(DINT "since previous call: %lld.%06ld\n", 218 (long long)tv.tv_sec, (long)tv.tv_usec); 219 gettimeofday(&tv_prev, NULL); 220 PU_UNLOCK(); 221} 222 223void 224puffsdump_rv(struct puffs_req *preq) 225{ 226 227 if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) { 228 switch (preq->preq_optype) { 229 case PUFFS_VN_LOOKUP: 230 puffsdump_lookup_rv(preq); 231 break; 232 case PUFFS_VN_CREATE: 233 case PUFFS_VN_MKDIR: 234 case PUFFS_VN_MKNOD: 235 case PUFFS_VN_SYMLINK: 236 puffsdump_create_rv(preq); 237 break; 238 case PUFFS_VN_READ: 239 case PUFFS_VN_WRITE: 240 puffsdump_readwrite_rv(preq); 241 break; 242 case PUFFS_VN_READDIR: 243 puffsdump_readdir_rv(preq); 244 break; 245 case PUFFS_VN_GETATTR: 246 puffsdump_attr(preq); 247 break; 248 default: 249 break; 250 } 251 } 252 253 printf("RV reqid: %" PRIu64 ", result: %d %s\n", 254 preq->preq_id, preq->preq_rv, 255 preq->preq_rv ? strerror(preq->preq_rv) : ""); 256} 257 258/* 259 * Slightly tedious print-routine so that we get a nice NOVAL instead 260 * of some tedious output representations for -1, especially (uint64_t)-1 261 * 262 * We use typecasting to make this work beyond time_t/dev_t size changes. 263 */ 264static void 265dumpattr(struct vattr *vap) 266{ 267 const char * const vtypes[] = { VNODE_TYPES }; 268 char buf[128]; 269 270/* XXX: better readability. and this is debug, so no cycle-sweat */ 271#define DEFAULTBUF() snprintf(buf, sizeof(buf), "NOVAL") 272 273 printf(DINT "vattr:\n"); 274 printf(DINT DINT "type: %s, ", vtypes[vap->va_type]); 275 276 DEFAULTBUF(); 277 if (vap->va_mode != (mode_t)PUFFS_VNOVAL) 278 snprintf(buf, sizeof(buf), "0%o", vap->va_mode); 279 printf("mode: %s, ", buf); 280 281 DEFAULTBUF(); 282 if (vap->va_nlink != (nlink_t)PUFFS_VNOVAL) 283 snprintf(buf, sizeof(buf), "%d", vap->va_nlink); 284 printf("nlink: %s, ", buf); 285 286 DEFAULTBUF(); 287 if (vap->va_uid != (uid_t)PUFFS_VNOVAL) 288 snprintf(buf, sizeof(buf), "%d", vap->va_uid); 289 printf("uid: %s, ", buf); 290 291 DEFAULTBUF(); 292 if (vap->va_gid != (gid_t)PUFFS_VNOVAL) 293 snprintf(buf, sizeof(buf), "%d", vap->va_gid); 294 printf("gid: %s\n", buf); 295 296 DEFAULTBUF(); 297 if ((unsigned long long)vap->va_fsid!=(unsigned long long)PUFFS_VNOVAL) 298 snprintf(buf, sizeof(buf), "0x%llx", 299 (unsigned long long)vap->va_fsid); 300 printf(DINT DINT "fsid: %s, ", buf); 301 302 DEFAULTBUF(); 303 if (vap->va_fileid != (ino_t)PUFFS_VNOVAL) 304 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_fileid); 305 printf("ino: %s, ", buf); 306 307 DEFAULTBUF(); 308 if (vap->va_size != (u_quad_t)PUFFS_VNOVAL) 309 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_size); 310 printf("size: %s, ", buf); 311 312 DEFAULTBUF(); 313 if (vap->va_blocksize != (long)PUFFS_VNOVAL) 314 snprintf(buf, sizeof(buf), "%ld", vap->va_blocksize); 315 printf("bsize: %s\n", buf); 316 317 DEFAULTBUF(); 318 if (vap->va_atime.tv_sec != (time_t)PUFFS_VNOVAL) 319 snprintf(buf, sizeof(buf), "%lld", 320 (long long)vap->va_atime.tv_sec); 321 printf(DINT DINT "a.s: %s, ", buf); 322 323 DEFAULTBUF(); 324 if (vap->va_atime.tv_nsec != (long)PUFFS_VNOVAL) 325 snprintf(buf, sizeof(buf), "%ld", vap->va_atime.tv_nsec); 326 printf("a.ns: %s, ", buf); 327 328 DEFAULTBUF(); 329 if (vap->va_mtime.tv_sec != (time_t)PUFFS_VNOVAL) 330 snprintf(buf, sizeof(buf), "%lld", 331 (long long)vap->va_mtime.tv_sec); 332 printf("m.s: %s, ", buf); 333 334 DEFAULTBUF(); 335 if (vap->va_mtime.tv_nsec != (long)PUFFS_VNOVAL) 336 snprintf(buf, sizeof(buf), "%ld", vap->va_mtime.tv_nsec); 337 printf("m.ns: %s\n", buf); 338 339 DEFAULTBUF(); 340 if (vap->va_ctime.tv_sec != (time_t)PUFFS_VNOVAL) 341 snprintf(buf, sizeof(buf), "%lld", 342 (long long)vap->va_ctime.tv_sec); 343 printf(DINT DINT "c.s: %s, ", buf); 344 345 DEFAULTBUF(); 346 if (vap->va_ctime.tv_nsec != (long)PUFFS_VNOVAL) 347 snprintf(buf, sizeof(buf), "%ld", vap->va_ctime.tv_nsec); 348 printf("c.ns: %s, ", buf); 349 350 DEFAULTBUF(); 351 if (vap->va_birthtime.tv_sec != (time_t)PUFFS_VNOVAL) 352 snprintf(buf, sizeof(buf), "%lld", 353 (long long)vap->va_birthtime.tv_sec); 354 printf("b.s: %s, ", buf); 355 356 DEFAULTBUF(); 357 if (vap->va_birthtime.tv_nsec != (long)PUFFS_VNOVAL) 358 snprintf(buf, sizeof(buf), "%ld", vap->va_birthtime.tv_nsec); 359 printf("b.ns: %s\n", buf); 360 361 DEFAULTBUF(); 362 if (vap->va_gen != (u_long)PUFFS_VNOVAL) 363 snprintf(buf, sizeof(buf), "%lu", vap->va_gen); 364 printf(DINT DINT "gen: %s, ", buf); 365 366 DEFAULTBUF(); 367 if (vap->va_flags != (u_long)PUFFS_VNOVAL) 368 snprintf(buf, sizeof(buf), "0x%lx", vap->va_flags); 369 printf("flags: %s, ", buf); 370 371 DEFAULTBUF(); 372 if (vap->va_rdev != (dev_t)PUFFS_VNOVAL) 373 snprintf(buf, sizeof(buf), "0x%llx", 374 (unsigned long long)vap->va_rdev); 375 printf("rdev: %s\n", buf); 376 377 DEFAULTBUF(); 378 if (vap->va_bytes != (u_quad_t)PUFFS_VNOVAL) 379 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_bytes); 380 printf(DINT DINT "bytes: %s, ", buf); 381 382 snprintf(buf, sizeof(buf), "%" PRIu64, vap->va_filerev); 383 printf("filerev: %s, ", buf); 384 385 snprintf(buf, sizeof(buf), "0x%x", vap->va_vaflags); 386 printf("vaflags: %s\n", buf); 387} 388 389void 390puffsdump_cookie(puffs_cookie_t c, const char *cookiename) 391{ 392 393 printf("%scookie: at %p\n", cookiename, c); 394} 395 396static const char *cn_opnames[] = { 397 "LOOKUP", 398 "CREATE", 399 "DELETE", 400 "RENAME" 401}; 402 403void 404puffsdump_cn(struct puffs_kcn *pkcn) 405{ 406 407 printf(DINT "puffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n", 408 pkcn->pkcn_name, pkcn->pkcn_namelen, 409 cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK], 410 pkcn->pkcn_flags); 411} 412 413void 414puffsdump_lookup(struct puffs_req *preq) 415{ 416 struct puffs_vnmsg_lookup *lookup_msg = (void *)preq; 417 418 puffsdump_cn(&lookup_msg->pvnr_cn); 419} 420 421void 422puffsdump_lookup_rv(struct puffs_req *preq) 423{ 424 struct puffs_vnmsg_lookup *lookup_msg = (void *)preq; 425 426 printf(DINT "new %p, type 0x%x, size 0x%"PRIu64", dev 0x%llx\n", 427 lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype, 428 lookup_msg->pvnr_size, (unsigned long long)lookup_msg->pvnr_rdev); 429} 430 431void 432puffsdump_create(struct puffs_req *preq) 433{ 434 /* XXX: wrong type, but we know it fits the slot */ 435 struct puffs_vnmsg_create *create_msg = (void *)preq; 436 437 dumpattr(&create_msg->pvnr_va); 438} 439 440void 441puffsdump_create_rv(struct puffs_req *preq) 442{ 443 /* XXX: wrong type, but we know it fits the slot */ 444 struct puffs_vnmsg_create *create_msg = (void *)preq; 445 446 printf(DINT "new %p\n", create_msg->pvnr_newnode); 447} 448 449void 450puffsdump_readwrite(struct puffs_req *preq) 451{ 452 struct puffs_vnmsg_rw *rw_msg = (void *)preq; 453 454 printf(DINT "offset: %" PRId64 ", resid %zu, ioflag 0x%x\n", 455 rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag); 456} 457 458void 459puffsdump_readwrite_rv(struct puffs_req *preq) 460{ 461 struct puffs_vnmsg_rw *rw_msg = (void *)preq; 462 463 printf(DINT "resid after op: %zu\n", rw_msg->pvnr_resid); 464} 465 466void 467puffsdump_readdir_rv(struct puffs_req *preq) 468{ 469 struct puffs_vnmsg_readdir *readdir_msg = (void *)preq; 470 471 printf(DINT "resid after op: %zu, eofflag %d\n", 472 readdir_msg->pvnr_resid, readdir_msg->pvnr_eofflag); 473} 474 475void 476puffsdump_open(struct puffs_req *preq) 477{ 478 struct puffs_vnmsg_open *open_msg = (void *)preq; 479 480 printf(DINT "mode: 0x%x\n", open_msg->pvnr_mode); 481} 482 483void 484puffsdump_targ(struct puffs_req *preq) 485{ 486 struct puffs_vnmsg_remove *remove_msg = (void *)preq; /* XXX! */ 487 488 printf(DINT "target cookie: %p\n", remove_msg->pvnr_cookie_targ); 489} 490 491void 492puffsdump_readdir(struct puffs_req *preq) 493{ 494 struct puffs_vnmsg_readdir *readdir_msg = (void *)preq; 495 496 printf(DINT "read offset: %" PRId64 "\n", readdir_msg->pvnr_offset); 497} 498 499void 500puffsdump_attr(struct puffs_req *preq) 501{ 502 struct puffs_vnmsg_setgetattr *attr_msg = (void *)preq; 503 504 dumpattr(&attr_msg->pvnr_va); 505} 506