usr.bin/nfsstat/nfsstat.c

   1 /*
   2  * Copyright (c) 1983, 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Rick Macklem at The University of Guelph.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 #ifndef lint
  38 static const char copyright[] =
  39 "@(#) Copyright (c) 1983, 1989, 1993\n\
  40         The Regents of the University of California.  All rights reserved.\n";
  41 #endif /* not lint */
  42
  43 #ifndef lint
  44 #if 0
  45 static char sccsid[] = "@(#)nfsstat.c   8.2 (Berkeley) 3/31/95";
  46 #endif
  47 static const char rcsid[] =
  48   "$FreeBSD$";
  49 #endif /* not lint */
  50
  51 #include <sys/param.h>
  52 #include <sys/module.h>
  53 #include <sys/mount.h>
  54 #include <sys/time.h>
  55 #include <sys/sysctl.h>
  56 #include <nfs/nfsproto.h>
  57 #include <nfsclient/nfs.h>
  58 #include <nfsserver/nfs.h>
  59 #include <nfs/nfssvc.h>
  60
  61 #include <fs/nfs/nfsport.h>
  62
  63 #include <signal.h>
  64 #include <fcntl.h>
  65 #include <ctype.h>
  66 #include <errno.h>
  67 #include <kvm.h>
  68 #include <limits.h>
  69 #include <nlist.h>
  70 #include <unistd.h>
  71 #include <stdio.h>
  72 #include <stdlib.h>
  73 #include <string.h>
  74 #include <paths.h>
  75 #include <err.h>
  76
  77 struct nlist nl[] = {
  78 #define N_NFSSTAT       0
  79         { .n_name = "nfsstats" },
  80 #define N_NFSRVSTAT     1
  81         { .n_name = "nfsrvstats" },
  82         { .n_name = NULL },
  83 };
  84 kvm_t *kd;
  85
  86 static int deadkernel = 0;
  87 static int widemode = 0;
  88 static int zflag = 0;
  89 static int run_v4 = 0;
  90 static int printtitle = 1;
  91 static struct ext_nfsstats ext_nfsstats;
  92
  93 void intpr(int, int);
  94 void printhdr(int, int);
  95 void sidewaysintpr(u_int, int, int);
  96 void usage(void);
  97 char *sperc1(int, int);
  98 char *sperc2(int, int);
  99 void exp_intpr(int, int);
 100 void exp_sidewaysintpr(u_int, int, int);
 101
 102 #define DELTA(field)    (nfsstats.field - lastst.field)
 103
 104 int
 105 main(int argc, char **argv)
 106 {
 107         u_int interval;
 108         int clientOnly = -1;
 109         int serverOnly = -1;
 110         int ch;
 111         char *memf, *nlistf;
 112         char errbuf[_POSIX2_LINE_MAX];
 113
 114         interval = 0;
 115         memf = nlistf = NULL;
 116         while ((ch = getopt(argc, argv, "cesWM:N:w:z")) != -1)
 117                 switch(ch) {
 118                 case 'M':
 119                         memf = optarg;
 120                         break;
 121                 case 'N':
 122                         nlistf = optarg;
 123                         break;
 124                 case 'W':
 125                         widemode = 1;
 126                         break;
 127                 case 'w':
 128                         interval = atoi(optarg);
 129                         break;
 130                 case 'c':
 131                         clientOnly = 1;
 132                         if (serverOnly < 0)
 133                                 serverOnly = 0;
 134                         break;
 135                 case 's':
 136                         serverOnly = 1;
 137                         if (clientOnly < 0)
 138                                 clientOnly = 0;
 139                         break;
 140                 case 'z':
 141                         zflag = 1;
 142                         break;
 143                 case 'e':
 144                         run_v4 = 1;
 145                         break;
 146                 case '?':
 147                 default:
 148                         usage();
 149                 }
 150         argc -= optind;
 151         argv += optind;
 152
 153 #define BACKWARD_COMPATIBILITY
 154 #ifdef  BACKWARD_COMPATIBILITY
 155         if (*argv) {
 156                 interval = atoi(*argv);
 157                 if (*++argv) {
 158                         nlistf = *argv;
 159                         if (*++argv)
 160                                 memf = *argv;
 161                 }
 162         }
 163 #endif
 164         if (run_v4 != 0 && modfind("nfscommon") < 0)
 165                 errx(1, "experimental client/server not loaded");
 166
 167         if (run_v4 != 0) {
 168                 if (nfssvc(NFSSVC_GETSTATS, &ext_nfsstats) < 0)
 169                         err(1, "Can't get stats");
 170         } else if (nlistf != NULL || memf != NULL) {
 171                 deadkernel = 1;
 172
 173                 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
 174                                         errbuf)) == 0) {
 175                         errx(1, "kvm_openfiles: %s", errbuf);
 176                 }
 177                 if (kvm_nlist(kd, nl) != 0) {
 178                         errx(1, "kvm_nlist: can't get names");
 179                 }
 180         }
 181
 182         if (interval) {
 183                 if (run_v4 > 0)
 184                         exp_sidewaysintpr(interval, clientOnly, serverOnly);
 185                 else
 186                         sidewaysintpr(interval, clientOnly, serverOnly);
 187         } else {
 188                 if (run_v4 > 0)
 189                         exp_intpr(clientOnly, serverOnly);
 190                 else
 191                         intpr(clientOnly, serverOnly);
 192         }
 193         exit(0);
 194 }
 195
 196 /*
 197  * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
 198  * for dead ones.
 199  */
 200 static void
 201 readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
 202 {
 203         union {
 204                 struct nfsstats client;
 205                 struct nfsrvstats server;
 206         } zerostat;
 207         size_t buflen;
 208
 209         if (deadkernel) {
 210                 if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
 211                     *stp, sizeof(struct nfsstats)) < 0) {
 212                         *stp = NULL;
 213                 }
 214                 if (*srvstp != NULL && kvm_read(kd,
 215                     (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
 216                     sizeof(struct nfsrvstats)) < 0) {
 217                         *srvstp = NULL;
 218                 }
 219         } else {
 220                 if (zero)
 221                         bzero(&zerostat, sizeof(zerostat));
 222                 buflen = sizeof(struct nfsstats);
 223                 if (*stp != NULL && sysctlbyname("vfs.nfs.nfsstats", *stp,
 224                     &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
 225                         if (errno != ENOENT)
 226                                 err(1, "sysctl: vfs.nfs.nfsstats");
 227                         *stp = NULL;
 228                 }
 229                 buflen = sizeof(struct nfsrvstats);
 230                 if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
 231                     *srvstp, &buflen, zero ? &zerostat : NULL,
 232                     zero ? buflen : 0) < 0) {
 233                         if (errno != ENOENT)
 234                                 err(1, "sysctl: vfs.nfsrv.nfsrvstats");
 235                         *srvstp = NULL;
 236                 }
 237         }
 238 }
 239
 240 /*
 241  * Print a description of the nfs stats.
 242  */
 243 void
 244 intpr(int clientOnly, int serverOnly)
 245 {
 246         struct nfsstats nfsstats, *nfsstatsp;
 247         struct nfsrvstats nfsrvstats, *nfsrvstatsp;
 248
 249         /*
 250          * Only read the stats we are going to display to avoid zeroing
 251          * stats the user didn't request.
 252          */
 253         if (clientOnly)
 254                 nfsstatsp = &nfsstats;
 255         else
 256                 nfsstatsp = NULL;
 257         if (serverOnly)
 258                 nfsrvstatsp = &nfsrvstats;
 259         else
 260                 nfsrvstatsp = NULL;
 261
 262         readstats(&nfsstatsp, &nfsrvstatsp, zflag);
 263
 264         if (clientOnly && !nfsstatsp) {
 265                 printf("Client not present!\n");
 266                 clientOnly = 0;
 267         }
 268         if (clientOnly) {
 269                 printf("Client Info:\n");
 270                 printf("Rpc Counts:\n");
 271                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 272                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 273                         "Write", "Create", "Remove");
 274                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 275                         nfsstats.rpccnt[NFSPROC_GETATTR],
 276                         nfsstats.rpccnt[NFSPROC_SETATTR],
 277                         nfsstats.rpccnt[NFSPROC_LOOKUP],
 278                         nfsstats.rpccnt[NFSPROC_READLINK],
 279                         nfsstats.rpccnt[NFSPROC_READ],
 280                         nfsstats.rpccnt[NFSPROC_WRITE],
 281                         nfsstats.rpccnt[NFSPROC_CREATE],
 282                         nfsstats.rpccnt[NFSPROC_REMOVE]);
 283                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 284                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 285                         "Readdir", "RdirPlus", "Access");
 286                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 287                         nfsstats.rpccnt[NFSPROC_RENAME],
 288                         nfsstats.rpccnt[NFSPROC_LINK],
 289                         nfsstats.rpccnt[NFSPROC_SYMLINK],
 290                         nfsstats.rpccnt[NFSPROC_MKDIR],
 291                         nfsstats.rpccnt[NFSPROC_RMDIR],
 292                         nfsstats.rpccnt[NFSPROC_READDIR],
 293                         nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 294                         nfsstats.rpccnt[NFSPROC_ACCESS]);
 295                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 296                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 297                 printf("%9d %9d %9d %9d %9d\n",
 298                         nfsstats.rpccnt[NFSPROC_MKNOD],
 299                         nfsstats.rpccnt[NFSPROC_FSSTAT],
 300                         nfsstats.rpccnt[NFSPROC_FSINFO],
 301                         nfsstats.rpccnt[NFSPROC_PATHCONF],
 302                         nfsstats.rpccnt[NFSPROC_COMMIT]);
 303                 printf("Rpc Info:\n");
 304                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 305                         "TimedOut", "Invalid", "X Replies", "Retries",
 306                         "Requests");
 307                 printf("%9d %9d %9d %9d %9d\n",
 308                         nfsstats.rpctimeouts,
 309                         nfsstats.rpcinvalid,
 310                         nfsstats.rpcunexpected,
 311                         nfsstats.rpcretries,
 312                         nfsstats.rpcrequests);
 313                 printf("Cache Info:\n");
 314                 printf("%9.9s %9.9s %9.9s %9.9s",
 315                         "Attr Hits", "Misses", "Lkup Hits", "Misses");
 316                 printf(" %9.9s %9.9s %9.9s %9.9s\n",
 317                         "BioR Hits", "Misses", "BioW Hits", "Misses");
 318                 printf("%9d %9d %9d %9d",
 319                         nfsstats.attrcache_hits, nfsstats.attrcache_misses,
 320                         nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
 321                 printf(" %9d %9d %9d %9d\n",
 322                         nfsstats.biocache_reads-nfsstats.read_bios,
 323                         nfsstats.read_bios,
 324                         nfsstats.biocache_writes-nfsstats.write_bios,
 325                         nfsstats.write_bios);
 326                 printf("%9.9s %9.9s %9.9s %9.9s",
 327                         "BioRLHits", "Misses", "BioD Hits", "Misses");
 328                 printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
 329                 printf("%9d %9d %9d %9d",
 330                         nfsstats.biocache_readlinks-nfsstats.readlink_bios,
 331                         nfsstats.readlink_bios,
 332                         nfsstats.biocache_readdirs-nfsstats.readdir_bios,
 333                         nfsstats.readdir_bios);
 334                 printf(" %9d %9d\n",
 335                         nfsstats.direofcache_hits, nfsstats.direofcache_misses);
 336         }
 337         if (serverOnly && !nfsrvstatsp) {
 338                 printf("Server not present!\n");
 339                 serverOnly = 0;
 340         }
 341         if (serverOnly) {
 342                 printf("\nServer Info:\n");
 343                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 344                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 345                         "Write", "Create", "Remove");
 346                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 347                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
 348                         nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
 349                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
 350                         nfsrvstats.srvrpccnt[NFSPROC_READLINK],
 351                         nfsrvstats.srvrpccnt[NFSPROC_READ],
 352                         nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 353                         nfsrvstats.srvrpccnt[NFSPROC_CREATE],
 354                         nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
 355                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 356                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 357                         "Readdir", "RdirPlus", "Access");
 358                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 359                         nfsrvstats.srvrpccnt[NFSPROC_RENAME],
 360                         nfsrvstats.srvrpccnt[NFSPROC_LINK],
 361                         nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
 362                         nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
 363                         nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
 364                         nfsrvstats.srvrpccnt[NFSPROC_READDIR],
 365                         nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
 366                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
 367                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 368                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 369                 printf("%9d %9d %9d %9d %9d\n",
 370                         nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
 371                         nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
 372                         nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
 373                         nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
 374                         nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
 375                 printf("Server Ret-Failed\n");
 376                 printf("%17d\n", nfsrvstats.srvrpc_errs);
 377                 printf("Server Faults\n");
 378                 printf("%13d\n", nfsrvstats.srv_errs);
 379                 printf("Server Cache Stats:\n");
 380                 printf("%9.9s %9.9s %9.9s %9.9s\n",
 381                         "Inprog", "Idem", "Non-idem", "Misses");
 382                 printf("%9d %9d %9d %9d\n",
 383                         nfsrvstats.srvcache_inproghits,
 384                         nfsrvstats.srvcache_idemdonehits,
 385                         nfsrvstats.srvcache_nonidemdonehits,
 386                         nfsrvstats.srvcache_misses);
 387                 printf("Server Write Gathering:\n");
 388                 printf("%9.9s %9.9s %9.9s\n",
 389                         "WriteOps", "WriteRPC", "Opsaved");
 390                 printf("%9d %9d %9d\n",
 391                         nfsrvstats.srvvop_writes,
 392                         nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 393                         nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
 394                             nfsrvstats.srvvop_writes);
 395         }
 396 }
 397
 398 u_char  signalled;                      /* set if alarm goes off "early" */
 399
 400 /*
 401  * Print a running summary of nfs statistics.
 402  * Repeat display every interval seconds, showing statistics
 403  * collected over that interval.  Assumes that interval is non-zero.
 404  * First line printed at top of screen is always cumulative.
 405  */
 406 void
 407 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 408 {
 409         struct nfsstats nfsstats, lastst, *nfsstatsp;
 410         struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
 411         int hdrcnt = 1;
 412
 413         nfsstatsp = &lastst;
 414         nfsrvstatsp = &lastsrvst;
 415         readstats(&nfsstatsp, &nfsrvstatsp, 0);
 416         if (clientOnly && !nfsstatsp) {
 417                 printf("Client not present!\n");
 418                 clientOnly = 0;
 419         }
 420         if (serverOnly && !nfsrvstatsp) {
 421                 printf("Server not present!\n");
 422                 serverOnly = 0;
 423         }
 424         sleep(interval);
 425
 426         for (;;) {
 427                 nfsstatsp = &nfsstats;
 428                 nfsrvstatsp = &nfsrvstats;
 429                 readstats(&nfsstatsp, &nfsrvstatsp, 0);
 430
 431                 if (--hdrcnt == 0) {
 432                         printhdr(clientOnly, serverOnly);
 433                         if (clientOnly && serverOnly)
 434                                 hdrcnt = 10;
 435                         else
 436                                 hdrcnt = 20;
 437                 }
 438                 if (clientOnly) {
 439                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 440                         ((clientOnly && serverOnly) ? "Client:" : ""),
 441                         DELTA(attrcache_hits) + DELTA(attrcache_misses),
 442                         DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
 443                         DELTA(biocache_readlinks),
 444                         DELTA(biocache_reads),
 445                         DELTA(biocache_writes),
 446                         nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
 447                         DELTA(accesscache_hits) + DELTA(accesscache_misses),
 448                         DELTA(biocache_readdirs)
 449                     );
 450                     if (widemode) {
 451                             printf(" %s %s %s %s %s %s",
 452                                 sperc1(DELTA(attrcache_hits),
 453                                     DELTA(attrcache_misses)),
 454                                 sperc1(DELTA(lookupcache_hits),
 455                                     DELTA(lookupcache_misses)),
 456                                 sperc2(DELTA(biocache_reads),
 457                                     DELTA(read_bios)),
 458                                 sperc2(DELTA(biocache_writes),
 459                                     DELTA(write_bios)),
 460                                 sperc1(DELTA(accesscache_hits),
 461                                     DELTA(accesscache_misses)),
 462                                 sperc2(DELTA(biocache_readdirs),
 463                                     DELTA(readdir_bios))
 464                             );
 465                     }
 466                     printf("\n");
 467                     lastst = nfsstats;
 468                 }
 469                 if (serverOnly) {
 470                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 471                         ((clientOnly && serverOnly) ? "Server:" : ""),
 472                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
 473                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
 474                         nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
 475                         nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
 476                         nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
 477                         nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
 478                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
 479                         (nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
 480                         +(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
 481                     printf("\n");
 482                     lastsrvst = nfsrvstats;
 483                 }
 484                 fflush(stdout);
 485                 sleep(interval);
 486         }
 487         /*NOTREACHED*/
 488 }
 489
 490 void
 491 printhdr(int clientOnly, int serverOnly)
 492 {
 493         printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
 494             ((serverOnly && clientOnly) ? "        " : " "),
 495             "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
 496             "Access", "Rddir");
 497         if (widemode && clientOnly) {
 498                 printf(" Attr Lkup BioR BioW Accs BioD");
 499         }
 500         printf("\n");
 501         fflush(stdout);
 502 }
 503
 504 void
 505 usage(void)
 506 {
 507         (void)fprintf(stderr,
 508             "usage: nfsstat [-ceszW] [-M core] [-N system] [-w interval]\n");
 509         exit(1);
 510 }
 511
 512 static char SPBuf[64][8];
 513 static int SPIndex;
 514
 515 char *
 516 sperc1(int hits, int misses)
 517 {
 518         char *p = SPBuf[SPIndex];
 519
 520         if (hits + misses) {
 521                 sprintf(p, "%3d%%",
 522                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
 523         } else {
 524                 sprintf(p, "   -");
 525         }
 526         SPIndex = (SPIndex + 1) & 63;
 527         return(p);
 528 }
 529
 530 char *
 531 sperc2(int ttl, int misses)
 532 {
 533         char *p = SPBuf[SPIndex];
 534
 535         if (ttl) {
 536                 sprintf(p, "%3d%%",
 537                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
 538         } else {
 539                 sprintf(p, "   -");
 540         }
 541         SPIndex = (SPIndex + 1) & 63;
 542         return(p);
 543 }
 544
 545 /*
 546  * Print a description of the nfs stats for the experimental client/server.
 547  */
 548 void
 549 exp_intpr(int clientOnly, int serverOnly)
 550 {
 551
 552         if (clientOnly != 0) {
 553                 if (printtitle) {
 554                         printf("Client Info:\n");
 555                         printf("Rpc Counts:\n");
 556                         printf(
 557                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 558                             , "Getattr", "Setattr", "Lookup", "Readlink",
 559                             "Read", "Write", "Create", "Remove");
 560                 }
 561                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 562                     ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 563                     ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 564                     ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 565                     ext_nfsstats.rpccnt[NFSPROC_READLINK],
 566                     ext_nfsstats.rpccnt[NFSPROC_READ],
 567                     ext_nfsstats.rpccnt[NFSPROC_WRITE],
 568                     ext_nfsstats.rpccnt[NFSPROC_CREATE],
 569                     ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 570                 if (printtitle)
 571                         printf(
 572                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 573                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 574                             "Readdir", "RdirPlus", "Access");
 575                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 576                     ext_nfsstats.rpccnt[NFSPROC_RENAME],
 577                     ext_nfsstats.rpccnt[NFSPROC_LINK],
 578                     ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 579                     ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 580                     ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 581                     ext_nfsstats.rpccnt[NFSPROC_READDIR],
 582                     ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 583                     ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 584                 if (printtitle)
 585                         printf(
 586                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 587                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 588                             "Commit", "SetClId", "SetClIdCf", "Lock");
 589                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 590                     ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 591                     ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 592                     ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 593                     ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 594                     ext_nfsstats.rpccnt[NFSPROC_COMMIT],
 595                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
 596                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
 597                     ext_nfsstats.rpccnt[NFSPROC_LOCK]);
 598                 if (printtitle)
 599                         printf("%9.9s %9.9s %9.9s %9.9s\n",
 600                             "LockT", "LockU", "Open", "OpenCfr");
 601                 printf("%9d %9d %9d %9d\n",
 602                     ext_nfsstats.rpccnt[NFSPROC_LOCKT],
 603                     ext_nfsstats.rpccnt[NFSPROC_LOCKU],
 604                     ext_nfsstats.rpccnt[NFSPROC_OPEN],
 605                     ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
 606                 if (printtitle)
 607                         printf(
 608                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 609                             , "OpenOwner", "Opens", "LockOwner",
 610                             "Locks", "Delegs", "LocalOwn",
 611                             "LocalOpen", "LocalLOwn");
 612                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 613                     ext_nfsstats.clopenowners,
 614                     ext_nfsstats.clopens,
 615                     ext_nfsstats.cllockowners,
 616                     ext_nfsstats.cllocks,
 617                     ext_nfsstats.cldelegates,
 618                     ext_nfsstats.cllocalopenowners,
 619                     ext_nfsstats.cllocalopens,
 620                     ext_nfsstats.cllocallockowners);
 621                 if (printtitle)
 622                         printf("%9.9s\n", "LocalLock");
 623                 printf("%9d\n", ext_nfsstats.cllocallocks);
 624                 if (printtitle) {
 625                         printf("Rpc Info:\n");
 626                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 627                             "TimedOut", "Invalid", "X Replies", "Retries",
 628                             "Requests");
 629                 }
 630                 printf("%9d %9d %9d %9d %9d\n",
 631                     ext_nfsstats.rpctimeouts,
 632                     ext_nfsstats.rpcinvalid,
 633                     ext_nfsstats.rpcunexpected,
 634                     ext_nfsstats.rpcretries,
 635                     ext_nfsstats.rpcrequests);
 636                 if (printtitle) {
 637                         printf("Cache Info:\n");
 638                         printf("%9.9s %9.9s %9.9s %9.9s",
 639                             "Attr Hits", "Misses", "Lkup Hits", "Misses");
 640                         printf(" %9.9s %9.9s %9.9s %9.9s\n",
 641                             "BioR Hits", "Misses", "BioW Hits", "Misses");
 642                 }
 643                 printf("%9d %9d %9d %9d",
 644                     ext_nfsstats.attrcache_hits,
 645                     ext_nfsstats.attrcache_misses,
 646                     ext_nfsstats.lookupcache_hits,
 647                     ext_nfsstats.lookupcache_misses);
 648                 printf(" %9d %9d %9d %9d\n",
 649                     ext_nfsstats.biocache_reads,
 650                     ext_nfsstats.read_bios,
 651                     ext_nfsstats.biocache_writes,
 652                     ext_nfsstats.write_bios);
 653                 if (printtitle) {
 654                         printf("%9.9s %9.9s %9.9s %9.9s",
 655                             "BioRLHits", "Misses", "BioD Hits", "Misses");
 656                         printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
 657                 }
 658                 printf("%9d %9d %9d %9d",
 659                     ext_nfsstats.biocache_readlinks,
 660                     ext_nfsstats.readlink_bios,
 661                     ext_nfsstats.biocache_readdirs,
 662                     ext_nfsstats.readdir_bios);
 663                 printf(" %9d %9d\n",
 664                     ext_nfsstats.direofcache_hits,
 665                     ext_nfsstats.direofcache_misses);
 666         }
 667         if (serverOnly != 0) {
 668                 if (printtitle) {
 669                         printf("\nServer Info:\n");
 670                         printf(
 671                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 672                             , "Getattr", "Setattr", "Lookup", "Readlink",
 673                             "Read", "Write", "Create", "Remove");
 674                 }
 675                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 676                     ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 677                     ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 678                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 679                     ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 680                     ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 681                     ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 682                     ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
 683                     ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 684                 if (printtitle)
 685                         printf(
 686                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 687                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 688                             "Readdir", "RdirPlus", "Access");
 689                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 690                     ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 691                     ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 692                     ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 693                     ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 694                     ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 695                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 696                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 697                     ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 698                 if (printtitle)
 699                         printf(
 700                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 701                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 702                             "Commit", "LookupP", "SetClId", "SetClIdCf");
 703                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 704                     ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 705                     ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 706                     ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 707                     ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 708                     ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
 709                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
 710                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
 711                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
 712                 if (printtitle)
 713                         printf(
 714                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 715                             , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
 716                             "DelePurge", "DeleRet", "GetFH", "Lock");
 717                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 718                     ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
 719                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
 720                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
 721                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
 722                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
 723                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
 724                     ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
 725                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
 726                 if (printtitle)
 727                         printf(
 728                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 729                             , "LockT", "LockU", "Close", "Verify", "NVerify",
 730                             "PutFH", "PutPubFH", "PutRootFH");
 731                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 732                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
 733                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
 734                     ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
 735                     ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
 736                     ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
 737                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
 738                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
 739                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
 740                 if (printtitle)
 741                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 742                             "Renew", "RestoreFH", "SaveFH", "Secinfo",
 743                             "RelLckOwn", "V4Create");
 744                 printf("%9d %9d %9d %9d %9d %9d\n",
 745                     ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
 746                     ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
 747                     ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
 748                     ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
 749                     ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
 750                     ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
 751                 if (printtitle) {
 752                         printf("Server:\n");
 753                         printf("%9.9s %9.9s %9.9s\n",
 754                             "Retfailed", "Faults", "Clients");
 755                 }
 756                 printf("%9d %9d %9d\n",
 757                     ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
 758                     ext_nfsstats.srvclients);
 759                 if (printtitle)
 760                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
 761                             "OpenOwner", "Opens", "LockOwner",
 762                             "Locks", "Delegs");
 763                 printf("%9d %9d %9d %9d %9d \n",
 764                     ext_nfsstats.srvopenowners,
 765                     ext_nfsstats.srvopens,
 766                     ext_nfsstats.srvlockowners,
 767                     ext_nfsstats.srvlocks,
 768                     ext_nfsstats.srvdelegates);
 769                 if (printtitle) {
 770                         printf("Server Cache Stats:\n");
 771                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 772                             "Inprog", "Idem", "Non-idem", "Misses",
 773                             "CacheSize", "TCPPeak");
 774                 }
 775                 printf("%9d %9d %9d %9d %9d %9d\n",
 776                     ext_nfsstats.srvcache_inproghits,
 777                     ext_nfsstats.srvcache_idemdonehits,
 778                     ext_nfsstats.srvcache_nonidemdonehits,
 779                     ext_nfsstats.srvcache_misses,
 780                     ext_nfsstats.srvcache_size,
 781                     ext_nfsstats.srvcache_tcppeak);
 782         }
 783 }
 784
 785 /*
 786  * Print a running summary of nfs statistics for the experimental client and/or
 787  * server.
 788  * Repeat display every interval seconds, showing statistics
 789  * collected over that interval.  Assumes that interval is non-zero.
 790  * First line printed at top of screen is always cumulative.
 791  */
 792 void
 793 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 794 {
 795         struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
 796         int hdrcnt = 1;
 797
 798         ext_nfsstatsp = &lastst;
 799         if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 800                 err(1, "Can't get stats");
 801         sleep(interval);
 802
 803         for (;;) {
 804                 ext_nfsstatsp = &nfsstats;
 805                 if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 806                         err(1, "Can't get stats");
 807
 808                 if (--hdrcnt == 0) {
 809                         printhdr(clientOnly, serverOnly);
 810                         if (clientOnly && serverOnly)
 811                                 hdrcnt = 10;
 812                         else
 813                                 hdrcnt = 20;
 814                 }
 815                 if (clientOnly) {
 816                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 817                         ((clientOnly && serverOnly) ? "Client:" : ""),
 818                         DELTA(attrcache_hits) + DELTA(attrcache_misses),
 819                         DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
 820                         DELTA(biocache_readlinks),
 821                         DELTA(biocache_reads),
 822                         DELTA(biocache_writes),
 823                         nfsstats.rpccnt[NFSPROC_RENAME] -
 824                         lastst.rpccnt[NFSPROC_RENAME],
 825                         DELTA(accesscache_hits) + DELTA(accesscache_misses),
 826                         DELTA(biocache_readdirs)
 827                     );
 828                     if (widemode) {
 829                             printf(" %s %s %s %s %s %s",
 830                                 sperc1(DELTA(attrcache_hits),
 831                                     DELTA(attrcache_misses)),
 832                                 sperc1(DELTA(lookupcache_hits),
 833                                     DELTA(lookupcache_misses)),
 834                                 sperc2(DELTA(biocache_reads),
 835                                     DELTA(read_bios)),
 836                                 sperc2(DELTA(biocache_writes),
 837                                     DELTA(write_bios)),
 838                                 sperc1(DELTA(accesscache_hits),
 839                                     DELTA(accesscache_misses)),
 840                                 sperc2(DELTA(biocache_readdirs),
 841                                     DELTA(readdir_bios))
 842                             );
 843                     }
 844                     printf("\n");
 845                     lastst = nfsstats;
 846                 }
 847                 if (serverOnly) {
 848                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 849                         ((clientOnly && serverOnly) ? "Server:" : ""),
 850                         nfsstats.srvrpccnt[NFSPROC_GETATTR] -
 851                         lastst.srvrpccnt[NFSPROC_GETATTR],
 852                         nfsstats.srvrpccnt[NFSPROC_LOOKUP] -
 853                         lastst.srvrpccnt[NFSPROC_LOOKUP],
 854                         nfsstats.srvrpccnt[NFSPROC_READLINK] -
 855                         lastst.srvrpccnt[NFSPROC_READLINK],
 856                         nfsstats.srvrpccnt[NFSPROC_READ] -
 857                         lastst.srvrpccnt[NFSPROC_READ],
 858                         nfsstats.srvrpccnt[NFSPROC_WRITE] -
 859                         lastst.srvrpccnt[NFSPROC_WRITE],
 860                         nfsstats.srvrpccnt[NFSPROC_RENAME] -
 861                         lastst.srvrpccnt[NFSPROC_RENAME],
 862                         nfsstats.srvrpccnt[NFSPROC_ACCESS] -
 863                         lastst.srvrpccnt[NFSPROC_ACCESS],
 864                         (nfsstats.srvrpccnt[NFSPROC_READDIR] -
 865                          lastst.srvrpccnt[NFSPROC_READDIR]) +
 866                         (nfsstats.srvrpccnt[NFSPROC_READDIRPLUS] -
 867                          lastst.srvrpccnt[NFSPROC_READDIRPLUS]));
 868                     printf("\n");
 869                     lastst = nfsstats;
 870                 }
 871                 fflush(stdout);
 872                 sleep(interval);
 873         }
 874         /*NOTREACHED*/
 875 }
 876