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 && (nlistf != NULL || memf != NULL)) {
 168                 deadkernel = 1;
 169
 170                 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
 171                                         errbuf)) == 0) {
 172                         errx(1, "kvm_openfiles: %s", errbuf);
 173                 }
 174                 if (kvm_nlist(kd, nl) != 0) {
 175                         errx(1, "kvm_nlist: can't get names");
 176                 }
 177         }
 178
 179         if (interval) {
 180                 if (run_v4 > 0)
 181                         exp_sidewaysintpr(interval, clientOnly, serverOnly);
 182                 else
 183                         sidewaysintpr(interval, clientOnly, serverOnly);
 184         } else {
 185                 if (run_v4 > 0)
 186                         exp_intpr(clientOnly, serverOnly);
 187                 else
 188                         intpr(clientOnly, serverOnly);
 189         }
 190         exit(0);
 191 }
 192
 193 /*
 194  * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
 195  * for dead ones.
 196  */
 197 static void
 198 readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
 199 {
 200         union {
 201                 struct nfsstats client;
 202                 struct nfsrvstats server;
 203         } zerostat;
 204         size_t buflen;
 205
 206         if (deadkernel) {
 207                 if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
 208                     *stp, sizeof(struct nfsstats)) < 0) {
 209                         *stp = NULL;
 210                 }
 211                 if (*srvstp != NULL && kvm_read(kd,
 212                     (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
 213                     sizeof(struct nfsrvstats)) < 0) {
 214                         *srvstp = NULL;
 215                 }
 216         } else {
 217                 if (zero)
 218                         bzero(&zerostat, sizeof(zerostat));
 219                 buflen = sizeof(struct nfsstats);
 220                 if (*stp != NULL && sysctlbyname("vfs.nfs.nfsstats", *stp,
 221                     &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
 222                         if (errno != ENOENT)
 223                                 err(1, "sysctl: vfs.nfs.nfsstats");
 224                         *stp = NULL;
 225                 }
 226                 buflen = sizeof(struct nfsrvstats);
 227                 if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
 228                     *srvstp, &buflen, zero ? &zerostat : NULL,
 229                     zero ? buflen : 0) < 0) {
 230                         if (errno != ENOENT)
 231                                 err(1, "sysctl: vfs.nfsrv.nfsrvstats");
 232                         *srvstp = NULL;
 233                 }
 234         }
 235 }
 236
 237 /*
 238  * Print a description of the nfs stats.
 239  */
 240 void
 241 intpr(int clientOnly, int serverOnly)
 242 {
 243         struct nfsstats nfsstats, *nfsstatsp;
 244         struct nfsrvstats nfsrvstats, *nfsrvstatsp;
 245
 246         /*
 247          * Only read the stats we are going to display to avoid zeroing
 248          * stats the user didn't request.
 249          */
 250         if (clientOnly)
 251                 nfsstatsp = &nfsstats;
 252         else
 253                 nfsstatsp = NULL;
 254         if (serverOnly)
 255                 nfsrvstatsp = &nfsrvstats;
 256         else
 257                 nfsrvstatsp = NULL;
 258
 259         readstats(&nfsstatsp, &nfsrvstatsp, zflag);
 260
 261         if (clientOnly && !nfsstatsp) {
 262                 printf("Client not present!\n");
 263                 clientOnly = 0;
 264         }
 265         if (clientOnly) {
 266                 printf("Client Info:\n");
 267                 printf("Rpc Counts:\n");
 268                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 269                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 270                         "Write", "Create", "Remove");
 271                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 272                         nfsstats.rpccnt[NFSPROC_GETATTR],
 273                         nfsstats.rpccnt[NFSPROC_SETATTR],
 274                         nfsstats.rpccnt[NFSPROC_LOOKUP],
 275                         nfsstats.rpccnt[NFSPROC_READLINK],
 276                         nfsstats.rpccnt[NFSPROC_READ],
 277                         nfsstats.rpccnt[NFSPROC_WRITE],
 278                         nfsstats.rpccnt[NFSPROC_CREATE],
 279                         nfsstats.rpccnt[NFSPROC_REMOVE]);
 280                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 281                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 282                         "Readdir", "RdirPlus", "Access");
 283                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 284                         nfsstats.rpccnt[NFSPROC_RENAME],
 285                         nfsstats.rpccnt[NFSPROC_LINK],
 286                         nfsstats.rpccnt[NFSPROC_SYMLINK],
 287                         nfsstats.rpccnt[NFSPROC_MKDIR],
 288                         nfsstats.rpccnt[NFSPROC_RMDIR],
 289                         nfsstats.rpccnt[NFSPROC_READDIR],
 290                         nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 291                         nfsstats.rpccnt[NFSPROC_ACCESS]);
 292                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 293                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 294                 printf("%9d %9d %9d %9d %9d\n",
 295                         nfsstats.rpccnt[NFSPROC_MKNOD],
 296                         nfsstats.rpccnt[NFSPROC_FSSTAT],
 297                         nfsstats.rpccnt[NFSPROC_FSINFO],
 298                         nfsstats.rpccnt[NFSPROC_PATHCONF],
 299                         nfsstats.rpccnt[NFSPROC_COMMIT]);
 300                 printf("Rpc Info:\n");
 301                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 302                         "TimedOut", "Invalid", "X Replies", "Retries",
 303                         "Requests");
 304                 printf("%9d %9d %9d %9d %9d\n",
 305                         nfsstats.rpctimeouts,
 306                         nfsstats.rpcinvalid,
 307                         nfsstats.rpcunexpected,
 308                         nfsstats.rpcretries,
 309                         nfsstats.rpcrequests);
 310                 printf("Cache Info:\n");
 311                 printf("%9.9s %9.9s %9.9s %9.9s",
 312                         "Attr Hits", "Misses", "Lkup Hits", "Misses");
 313                 printf(" %9.9s %9.9s %9.9s %9.9s\n",
 314                         "BioR Hits", "Misses", "BioW Hits", "Misses");
 315                 printf("%9d %9d %9d %9d",
 316                         nfsstats.attrcache_hits, nfsstats.attrcache_misses,
 317                         nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
 318                 printf(" %9d %9d %9d %9d\n",
 319                         nfsstats.biocache_reads-nfsstats.read_bios,
 320                         nfsstats.read_bios,
 321                         nfsstats.biocache_writes-nfsstats.write_bios,
 322                         nfsstats.write_bios);
 323                 printf("%9.9s %9.9s %9.9s %9.9s",
 324                         "BioRLHits", "Misses", "BioD Hits", "Misses");
 325                 printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
 326                 printf("%9d %9d %9d %9d",
 327                         nfsstats.biocache_readlinks-nfsstats.readlink_bios,
 328                         nfsstats.readlink_bios,
 329                         nfsstats.biocache_readdirs-nfsstats.readdir_bios,
 330                         nfsstats.readdir_bios);
 331                 printf(" %9d %9d %9d %9d\n",
 332                         nfsstats.direofcache_hits, nfsstats.direofcache_misses,
 333                         nfsstats.accesscache_hits, nfsstats.accesscache_misses);
 334         }
 335         if (serverOnly && !nfsrvstatsp) {
 336                 printf("Server not present!\n");
 337                 serverOnly = 0;
 338         }
 339         if (serverOnly) {
 340                 printf("\nServer Info:\n");
 341                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 342                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 343                         "Write", "Create", "Remove");
 344                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 345                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
 346                         nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
 347                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
 348                         nfsrvstats.srvrpccnt[NFSPROC_READLINK],
 349                         nfsrvstats.srvrpccnt[NFSPROC_READ],
 350                         nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 351                         nfsrvstats.srvrpccnt[NFSPROC_CREATE],
 352                         nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
 353                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 354                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 355                         "Readdir", "RdirPlus", "Access");
 356                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 357                         nfsrvstats.srvrpccnt[NFSPROC_RENAME],
 358                         nfsrvstats.srvrpccnt[NFSPROC_LINK],
 359                         nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
 360                         nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
 361                         nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
 362                         nfsrvstats.srvrpccnt[NFSPROC_READDIR],
 363                         nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
 364                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
 365                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 366                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 367                 printf("%9d %9d %9d %9d %9d\n",
 368                         nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
 369                         nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
 370                         nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
 371                         nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
 372                         nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
 373                 printf("Server Ret-Failed\n");
 374                 printf("%17d\n", nfsrvstats.srvrpc_errs);
 375                 printf("Server Faults\n");
 376                 printf("%13d\n", nfsrvstats.srv_errs);
 377                 printf("Server Cache Stats:\n");
 378                 printf("%9.9s %9.9s %9.9s %9.9s\n",
 379                         "Inprog", "Idem", "Non-idem", "Misses");
 380                 printf("%9d %9d %9d %9d\n",
 381                         nfsrvstats.srvcache_inproghits,
 382                         nfsrvstats.srvcache_idemdonehits,
 383                         nfsrvstats.srvcache_nonidemdonehits,
 384                         nfsrvstats.srvcache_misses);
 385                 printf("Server Write Gathering:\n");
 386                 printf("%9.9s %9.9s %9.9s\n",
 387                         "WriteOps", "WriteRPC", "Opsaved");
 388                 printf("%9d %9d %9d\n",
 389                         nfsrvstats.srvvop_writes,
 390                         nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 391                         nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
 392                             nfsrvstats.srvvop_writes);
 393         }
 394 }
 395
 396 u_char  signalled;                      /* set if alarm goes off "early" */
 397
 398 /*
 399  * Print a running summary of nfs statistics.
 400  * Repeat display every interval seconds, showing statistics
 401  * collected over that interval.  Assumes that interval is non-zero.
 402  * First line printed at top of screen is always cumulative.
 403  */
 404 void
 405 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 406 {
 407         struct nfsstats nfsstats, lastst, *nfsstatsp;
 408         struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
 409         int hdrcnt = 1;
 410
 411         nfsstatsp = &lastst;
 412         nfsrvstatsp = &lastsrvst;
 413         readstats(&nfsstatsp, &nfsrvstatsp, 0);
 414         if (clientOnly && !nfsstatsp) {
 415                 printf("Client not present!\n");
 416                 clientOnly = 0;
 417         }
 418         if (serverOnly && !nfsrvstatsp) {
 419                 printf("Server not present!\n");
 420                 serverOnly = 0;
 421         }
 422         sleep(interval);
 423
 424         for (;;) {
 425                 nfsstatsp = &nfsstats;
 426                 nfsrvstatsp = &nfsrvstats;
 427                 readstats(&nfsstatsp, &nfsrvstatsp, 0);
 428
 429                 if (--hdrcnt == 0) {
 430                         printhdr(clientOnly, serverOnly);
 431                         if (clientOnly && serverOnly)
 432                                 hdrcnt = 10;
 433                         else
 434                                 hdrcnt = 20;
 435                 }
 436                 if (clientOnly) {
 437                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 438                         ((clientOnly && serverOnly) ? "Client:" : ""),
 439                         DELTA(rpccnt[NFSPROC_GETATTR]),
 440                         DELTA(rpccnt[NFSPROC_LOOKUP]),
 441                         DELTA(rpccnt[NFSPROC_READLINK]),
 442                         DELTA(rpccnt[NFSPROC_READ]),
 443                         DELTA(rpccnt[NFSPROC_WRITE]),
 444                         DELTA(rpccnt[NFSPROC_RENAME]),
 445                         DELTA(rpccnt[NFSPROC_ACCESS]),
 446                         DELTA(rpccnt[NFSPROC_READDIR]) +
 447                         DELTA(rpccnt[NFSPROC_READDIRPLUS])
 448                     );
 449                     if (widemode) {
 450                             printf(" %s %s %s %s %s %s",
 451                                 sperc1(DELTA(attrcache_hits),
 452                                     DELTA(attrcache_misses)),
 453                                 sperc1(DELTA(lookupcache_hits),
 454                                     DELTA(lookupcache_misses)),
 455                                 sperc2(DELTA(biocache_reads),
 456                                     DELTA(read_bios)),
 457                                 sperc2(DELTA(biocache_writes),
 458                                     DELTA(write_bios)),
 459                                 sperc1(DELTA(accesscache_hits),
 460                                     DELTA(accesscache_misses)),
 461                                 sperc2(DELTA(biocache_readdirs),
 462                                     DELTA(readdir_bios))
 463                             );
 464                     }
 465                     printf("\n");
 466                     lastst = nfsstats;
 467                 }
 468                 if (serverOnly) {
 469                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 470                         ((clientOnly && serverOnly) ? "Server:" : ""),
 471                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
 472                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
 473                         nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
 474                         nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
 475                         nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
 476                         nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
 477                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
 478                         (nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
 479                         +(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
 480                     printf("\n");
 481                     lastsrvst = nfsrvstats;
 482                 }
 483                 fflush(stdout);
 484                 sleep(interval);
 485         }
 486         /*NOTREACHED*/
 487 }
 488
 489 void
 490 printhdr(int clientOnly, int serverOnly)
 491 {
 492         printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
 493             ((serverOnly && clientOnly) ? "        " : " "),
 494             "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
 495             "Access", "Rddir");
 496         if (widemode && clientOnly) {
 497                 printf(" Attr Lkup BioR BioW Accs BioD");
 498         }
 499         printf("\n");
 500         fflush(stdout);
 501 }
 502
 503 void
 504 usage(void)
 505 {
 506         (void)fprintf(stderr,
 507             "usage: nfsstat [-ceszW] [-M core] [-N system] [-w interval]\n");
 508         exit(1);
 509 }
 510
 511 static char SPBuf[64][8];
 512 static int SPIndex;
 513
 514 char *
 515 sperc1(int hits, int misses)
 516 {
 517         char *p = SPBuf[SPIndex];
 518
 519         if (hits + misses) {
 520                 sprintf(p, "%3d%%",
 521                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
 522         } else {
 523                 sprintf(p, "   -");
 524         }
 525         SPIndex = (SPIndex + 1) & 63;
 526         return(p);
 527 }
 528
 529 char *
 530 sperc2(int ttl, int misses)
 531 {
 532         char *p = SPBuf[SPIndex];
 533
 534         if (ttl) {
 535                 sprintf(p, "%3d%%",
 536                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
 537         } else {
 538                 sprintf(p, "   -");
 539         }
 540         SPIndex = (SPIndex + 1) & 63;
 541         return(p);
 542 }
 543
 544 /*
 545  * Print a description of the nfs stats for the experimental client/server.
 546  */
 547 void
 548 exp_intpr(int clientOnly, int serverOnly)
 549 {
 550         int nfssvc_flag;
 551
 552         nfssvc_flag = NFSSVC_GETSTATS;
 553         if (zflag != 0) {
 554                 if (clientOnly != 0)
 555                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
 556                 if (serverOnly != 0)
 557                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
 558         }
 559         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
 560                 err(1, "Can't get stats");
 561         if (clientOnly != 0) {
 562                 if (printtitle) {
 563                         printf("Client Info:\n");
 564                         printf("Rpc Counts:\n");
 565                         printf(
 566                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 567                             , "Getattr", "Setattr", "Lookup", "Readlink",
 568                             "Read", "Write", "Create", "Remove");
 569                 }
 570                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 571                     ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 572                     ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 573                     ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 574                     ext_nfsstats.rpccnt[NFSPROC_READLINK],
 575                     ext_nfsstats.rpccnt[NFSPROC_READ],
 576                     ext_nfsstats.rpccnt[NFSPROC_WRITE],
 577                     ext_nfsstats.rpccnt[NFSPROC_CREATE],
 578                     ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 579                 if (printtitle)
 580                         printf(
 581                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 582                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 583                             "Readdir", "RdirPlus", "Access");
 584                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 585                     ext_nfsstats.rpccnt[NFSPROC_RENAME],
 586                     ext_nfsstats.rpccnt[NFSPROC_LINK],
 587                     ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 588                     ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 589                     ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 590                     ext_nfsstats.rpccnt[NFSPROC_READDIR],
 591                     ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 592                     ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 593                 if (printtitle)
 594                         printf(
 595                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 596                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 597                             "Commit", "SetClId", "SetClIdCf", "Lock");
 598                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 599                     ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 600                     ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 601                     ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 602                     ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 603                     ext_nfsstats.rpccnt[NFSPROC_COMMIT],
 604                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
 605                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
 606                     ext_nfsstats.rpccnt[NFSPROC_LOCK]);
 607                 if (printtitle)
 608                         printf("%9.9s %9.9s %9.9s %9.9s\n",
 609                             "LockT", "LockU", "Open", "OpenCfr");
 610                 printf("%9d %9d %9d %9d\n",
 611                     ext_nfsstats.rpccnt[NFSPROC_LOCKT],
 612                     ext_nfsstats.rpccnt[NFSPROC_LOCKU],
 613                     ext_nfsstats.rpccnt[NFSPROC_OPEN],
 614                     ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
 615                 if (printtitle)
 616                         printf(
 617                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 618                             , "OpenOwner", "Opens", "LockOwner",
 619                             "Locks", "Delegs", "LocalOwn",
 620                             "LocalOpen", "LocalLOwn");
 621                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 622                     ext_nfsstats.clopenowners,
 623                     ext_nfsstats.clopens,
 624                     ext_nfsstats.cllockowners,
 625                     ext_nfsstats.cllocks,
 626                     ext_nfsstats.cldelegates,
 627                     ext_nfsstats.cllocalopenowners,
 628                     ext_nfsstats.cllocalopens,
 629                     ext_nfsstats.cllocallockowners);
 630                 if (printtitle)
 631                         printf("%9.9s\n", "LocalLock");
 632                 printf("%9d\n", ext_nfsstats.cllocallocks);
 633                 if (printtitle) {
 634                         printf("Rpc Info:\n");
 635                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 636                             "TimedOut", "Invalid", "X Replies", "Retries",
 637                             "Requests");
 638                 }
 639                 printf("%9d %9d %9d %9d %9d\n",
 640                     ext_nfsstats.rpctimeouts,
 641                     ext_nfsstats.rpcinvalid,
 642                     ext_nfsstats.rpcunexpected,
 643                     ext_nfsstats.rpcretries,
 644                     ext_nfsstats.rpcrequests);
 645                 if (printtitle) {
 646                         printf("Cache Info:\n");
 647                         printf("%9.9s %9.9s %9.9s %9.9s",
 648                             "Attr Hits", "Misses", "Lkup Hits", "Misses");
 649                         printf(" %9.9s %9.9s %9.9s %9.9s\n",
 650                             "BioR Hits", "Misses", "BioW Hits", "Misses");
 651                 }
 652                 printf("%9d %9d %9d %9d",
 653                     ext_nfsstats.attrcache_hits,
 654                     ext_nfsstats.attrcache_misses,
 655                     ext_nfsstats.lookupcache_hits,
 656                     ext_nfsstats.lookupcache_misses);
 657                 printf(" %9d %9d %9d %9d\n",
 658                     ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
 659                     ext_nfsstats.read_bios,
 660                     ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
 661                     ext_nfsstats.write_bios);
 662                 if (printtitle) {
 663                         printf("%9.9s %9.9s %9.9s %9.9s",
 664                             "BioRLHits", "Misses", "BioD Hits", "Misses");
 665                         printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
 666                 }
 667                 printf("%9d %9d %9d %9d",
 668                     ext_nfsstats.biocache_readlinks -
 669                     ext_nfsstats.readlink_bios,
 670                     ext_nfsstats.readlink_bios,
 671                     ext_nfsstats.biocache_readdirs -
 672                     ext_nfsstats.readdir_bios,
 673                     ext_nfsstats.readdir_bios);
 674                 printf(" %9d %9d\n",
 675                     ext_nfsstats.direofcache_hits,
 676                     ext_nfsstats.direofcache_misses);
 677         }
 678         if (serverOnly != 0) {
 679                 if (printtitle) {
 680                         printf("\nServer Info:\n");
 681                         printf(
 682                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 683                             , "Getattr", "Setattr", "Lookup", "Readlink",
 684                             "Read", "Write", "Create", "Remove");
 685                 }
 686                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 687                     ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 688                     ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 689                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 690                     ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 691                     ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 692                     ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 693                     ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
 694                     ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 695                 if (printtitle)
 696                         printf(
 697                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 698                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 699                             "Readdir", "RdirPlus", "Access");
 700                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 701                     ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 702                     ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 703                     ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 704                     ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 705                     ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 706                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 707                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 708                     ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 709                 if (printtitle)
 710                         printf(
 711                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 712                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 713                             "Commit", "LookupP", "SetClId", "SetClIdCf");
 714                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 715                     ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 716                     ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 717                     ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 718                     ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 719                     ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
 720                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
 721                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
 722                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
 723                 if (printtitle)
 724                         printf(
 725                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 726                             , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
 727                             "DelePurge", "DeleRet", "GetFH", "Lock");
 728                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 729                     ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
 730                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
 731                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
 732                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
 733                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
 734                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
 735                     ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
 736                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
 737                 if (printtitle)
 738                         printf(
 739                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 740                             , "LockT", "LockU", "Close", "Verify", "NVerify",
 741                             "PutFH", "PutPubFH", "PutRootFH");
 742                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 743                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
 744                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
 745                     ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
 746                     ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
 747                     ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
 748                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
 749                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
 750                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
 751                 if (printtitle)
 752                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 753                             "Renew", "RestoreFH", "SaveFH", "Secinfo",
 754                             "RelLckOwn", "V4Create");
 755                 printf("%9d %9d %9d %9d %9d %9d\n",
 756                     ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
 757                     ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
 758                     ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
 759                     ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
 760                     ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
 761                     ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
 762                 if (printtitle) {
 763                         printf("Server:\n");
 764                         printf("%9.9s %9.9s %9.9s\n",
 765                             "Retfailed", "Faults", "Clients");
 766                 }
 767                 printf("%9d %9d %9d\n",
 768                     ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
 769                     ext_nfsstats.srvclients);
 770                 if (printtitle)
 771                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
 772                             "OpenOwner", "Opens", "LockOwner",
 773                             "Locks", "Delegs");
 774                 printf("%9d %9d %9d %9d %9d \n",
 775                     ext_nfsstats.srvopenowners,
 776                     ext_nfsstats.srvopens,
 777                     ext_nfsstats.srvlockowners,
 778                     ext_nfsstats.srvlocks,
 779                     ext_nfsstats.srvdelegates);
 780                 if (printtitle) {
 781                         printf("Server Cache Stats:\n");
 782                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 783                             "Inprog", "Idem", "Non-idem", "Misses",
 784                             "CacheSize", "TCPPeak");
 785                 }
 786                 printf("%9d %9d %9d %9d %9d %9d\n",
 787                     ext_nfsstats.srvcache_inproghits,
 788                     ext_nfsstats.srvcache_idemdonehits,
 789                     ext_nfsstats.srvcache_nonidemdonehits,
 790                     ext_nfsstats.srvcache_misses,
 791                     ext_nfsstats.srvcache_size,
 792                     ext_nfsstats.srvcache_tcppeak);
 793         }
 794 }
 795
 796 /*
 797  * Print a running summary of nfs statistics for the experimental client and/or
 798  * server.
 799  * Repeat display every interval seconds, showing statistics
 800  * collected over that interval.  Assumes that interval is non-zero.
 801  * First line printed at top of screen is always cumulative.
 802  */
 803 void
 804 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 805 {
 806         struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
 807         int hdrcnt = 1;
 808
 809         ext_nfsstatsp = &lastst;
 810         if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 811                 err(1, "Can't get stats");
 812         sleep(interval);
 813
 814         for (;;) {
 815                 ext_nfsstatsp = &nfsstats;
 816                 if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 817                         err(1, "Can't get stats");
 818
 819                 if (--hdrcnt == 0) {
 820                         printhdr(clientOnly, serverOnly);
 821                         if (clientOnly && serverOnly)
 822                                 hdrcnt = 10;
 823                         else
 824                                 hdrcnt = 20;
 825                 }
 826                 if (clientOnly) {
 827                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 828                         ((clientOnly && serverOnly) ? "Client:" : ""),
 829                         DELTA(rpccnt[NFSPROC_GETATTR]),
 830                         DELTA(rpccnt[NFSPROC_LOOKUP]),
 831                         DELTA(rpccnt[NFSPROC_READLINK]),
 832                         DELTA(rpccnt[NFSPROC_READ]),
 833                         DELTA(rpccnt[NFSPROC_WRITE]),
 834                         DELTA(rpccnt[NFSPROC_RENAME]),
 835                         DELTA(rpccnt[NFSPROC_ACCESS]),
 836                         DELTA(rpccnt[NFSPROC_READDIR]) +
 837                         DELTA(rpccnt[NFSPROC_READDIRPLUS])
 838                     );
 839                     if (widemode) {
 840                             printf(" %s %s %s %s %s %s",
 841                                 sperc1(DELTA(attrcache_hits),
 842                                     DELTA(attrcache_misses)),
 843                                 sperc1(DELTA(lookupcache_hits),
 844                                     DELTA(lookupcache_misses)),
 845                                 sperc2(DELTA(biocache_reads),
 846                                     DELTA(read_bios)),
 847                                 sperc2(DELTA(biocache_writes),
 848                                     DELTA(write_bios)),
 849                                 sperc1(DELTA(accesscache_hits),
 850                                     DELTA(accesscache_misses)),
 851                                 sperc2(DELTA(biocache_readdirs),
 852                                     DELTA(readdir_bios))
 853                             );
 854                     }
 855                     printf("\n");
 856                     lastst = nfsstats;
 857                 }
 858                 if (serverOnly) {
 859                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 860                         ((clientOnly && serverOnly) ? "Server:" : ""),
 861                         DELTA(srvrpccnt[NFSV4OP_GETATTR]),
 862                         DELTA(srvrpccnt[NFSV4OP_LOOKUP]),
 863                         DELTA(srvrpccnt[NFSV4OP_READLINK]),
 864                         DELTA(srvrpccnt[NFSV4OP_READ]),
 865                         DELTA(srvrpccnt[NFSV4OP_WRITE]),
 866                         DELTA(srvrpccnt[NFSV4OP_RENAME]),
 867                         DELTA(srvrpccnt[NFSV4OP_ACCESS]),
 868                         DELTA(srvrpccnt[NFSV4OP_READDIR]) +
 869                         DELTA(srvrpccnt[NFSV4OP_READDIRPLUS]));
 870                     printf("\n");
 871                     lastst = nfsstats;
 872                 }
 873                 fflush(stdout);
 874                 sleep(interval);
 875         }
 876         /*NOTREACHED*/
 877 }
 878