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  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef lint
  34 static const char copyright[] =
  35 "@(#) Copyright (c) 1983, 1989, 1993\n\
  36         The Regents of the University of California.  All rights reserved.\n";
  37 #endif /* not lint */
  38
  39 #ifndef lint
  40 #if 0
  41 static char sccsid[] = "@(#)nfsstat.c   8.2 (Berkeley) 3/31/95";
  42 #endif
  43 static const char rcsid[] =
  44   "$FreeBSD$";
  45 #endif /* not lint */
  46
  47 #include <sys/param.h>
  48 #include <sys/module.h>
  49 #include <sys/mount.h>
  50 #include <sys/time.h>
  51 #include <sys/sysctl.h>
  52 #include <nfs/nfsproto.h>
  53 #include <nfsclient/nfs.h>
  54 #include <nfsserver/nfs.h>
  55 #include <nfs/nfssvc.h>
  56
  57 #include <fs/nfs/nfsport.h>
  58
  59 #include <signal.h>
  60 #include <fcntl.h>
  61 #include <ctype.h>
  62 #include <errno.h>
  63 #include <kvm.h>
  64 #include <limits.h>
  65 #include <nlist.h>
  66 #include <unistd.h>
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <string.h>
  70 #include <paths.h>
  71 #include <err.h>
  72
  73 struct nlist nl[] = {
  74 #define N_NFSSTAT       0
  75         { .n_name = "nfsstats" },
  76 #define N_NFSRVSTAT     1
  77         { .n_name = "nfsrvstats" },
  78         { .n_name = NULL },
  79 };
  80 kvm_t *kd;
  81
  82 static int deadkernel = 0;
  83 static int widemode = 0;
  84 static int zflag = 0;
  85 static int run_v4 = 1;
  86 static int printtitle = 1;
  87 static struct ext_nfsstats ext_nfsstats;
  88 static int extra_output = 0;
  89
  90 void intpr(int, int);
  91 void printhdr(int, int);
  92 void sidewaysintpr(u_int, int, int);
  93 void usage(void);
  94 char *sperc1(int, int);
  95 char *sperc2(int, int);
  96 void exp_intpr(int, int);
  97 void exp_sidewaysintpr(u_int, int, int);
  98
  99 #define DELTA(field)    (nfsstats.field - lastst.field)
 100
 101 int
 102 main(int argc, char **argv)
 103 {
 104         u_int interval;
 105         int clientOnly = -1;
 106         int serverOnly = -1;
 107         int ch;
 108         char *memf, *nlistf;
 109         char errbuf[_POSIX2_LINE_MAX];
 110         int mntlen, i;
 111         char buf[1024];
 112         struct statfs *mntbuf;
 113         struct nfscl_dumpmntopts dumpmntopts;
 114
 115         interval = 0;
 116         memf = nlistf = NULL;
 117         while ((ch = getopt(argc, argv, "cesWM:mN:ow:z")) != -1)
 118                 switch(ch) {
 119                 case 'M':
 120                         memf = optarg;
 121                         break;
 122                 case 'm':
 123                         /* Display mount options for NFS mount points. */
 124                         mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
 125                         for (i = 0; i < mntlen; i++) {
 126                                 if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
 127                                         dumpmntopts.ndmnt_fname =
 128                                             mntbuf->f_mntonname;
 129                                         dumpmntopts.ndmnt_buf = buf;
 130                                         dumpmntopts.ndmnt_blen = sizeof(buf);
 131                                         if (nfssvc(NFSSVC_DUMPMNTOPTS,
 132                                             &dumpmntopts) >= 0)
 133                                                 printf("%s on %s\n%s\n",
 134                                                     mntbuf->f_mntfromname,
 135                                                     mntbuf->f_mntonname, buf);
 136                                         else if (errno == EPERM)
 137                                                 errx(1, "Only priviledged users"
 138                                                     " can use the -m option");
 139                                 }
 140                                 mntbuf++;
 141                         }
 142                         exit(0);
 143                 case 'N':
 144                         nlistf = optarg;
 145                         break;
 146                 case 'W':
 147                         widemode = 1;
 148                         break;
 149                 case 'w':
 150                         interval = atoi(optarg);
 151                         break;
 152                 case 'c':
 153                         clientOnly = 1;
 154                         if (serverOnly < 0)
 155                                 serverOnly = 0;
 156                         break;
 157                 case 's':
 158                         serverOnly = 1;
 159                         if (clientOnly < 0)
 160                                 clientOnly = 0;
 161                         break;
 162                 case 'z':
 163                         zflag = 1;
 164                         break;
 165                 case 'o':
 166                         if (extra_output != 0)
 167                                 err(1, "-o incompatible with -e");
 168                         run_v4 = 0;
 169                         break;
 170                 case 'e':
 171                         if (run_v4 == 0)
 172                                 err(1, "-e incompatible with -o");
 173                         extra_output = 1;
 174                         break;
 175                 case '?':
 176                 default:
 177                         usage();
 178                 }
 179         argc -= optind;
 180         argv += optind;
 181
 182 #define BACKWARD_COMPATIBILITY
 183 #ifdef  BACKWARD_COMPATIBILITY
 184         if (*argv) {
 185                 interval = atoi(*argv);
 186                 if (*++argv) {
 187                         nlistf = *argv;
 188                         if (*++argv)
 189                                 memf = *argv;
 190                 }
 191         }
 192 #endif
 193         if (run_v4 != 0 && modfind("nfscommon") < 0)
 194                 errx(1, "new client/server not loaded");
 195
 196         if (run_v4 == 0 && (nlistf != NULL || memf != NULL)) {
 197                 deadkernel = 1;
 198
 199                 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
 200                                         errbuf)) == 0) {
 201                         errx(1, "kvm_openfiles: %s", errbuf);
 202                 }
 203                 if (kvm_nlist(kd, nl) != 0) {
 204                         errx(1, "kvm_nlist: can't get names");
 205                 }
 206         }
 207
 208         if (interval) {
 209                 if (run_v4 > 0)
 210                         exp_sidewaysintpr(interval, clientOnly, serverOnly);
 211                 else
 212                         sidewaysintpr(interval, clientOnly, serverOnly);
 213         } else {
 214                 if (extra_output != 0)
 215                         exp_intpr(clientOnly, serverOnly);
 216                 else
 217                         intpr(clientOnly, serverOnly);
 218         }
 219         exit(0);
 220 }
 221
 222 /*
 223  * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
 224  * for dead ones.
 225  */
 226 static void
 227 readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
 228 {
 229         union {
 230                 struct nfsstats client;
 231                 struct nfsrvstats server;
 232         } zerostat;
 233         size_t buflen;
 234
 235         if (deadkernel) {
 236                 if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
 237                     *stp, sizeof(struct nfsstats)) < 0) {
 238                         *stp = NULL;
 239                 }
 240                 if (*srvstp != NULL && kvm_read(kd,
 241                     (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
 242                     sizeof(struct nfsrvstats)) < 0) {
 243                         *srvstp = NULL;
 244                 }
 245         } else {
 246                 if (zero)
 247                         bzero(&zerostat, sizeof(zerostat));
 248                 buflen = sizeof(struct nfsstats);
 249                 if (*stp != NULL && sysctlbyname("vfs.oldnfs.nfsstats", *stp,
 250                     &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
 251                         if (errno != ENOENT)
 252                                 err(1, "sysctl: vfs.oldnfs.nfsstats");
 253                         *stp = NULL;
 254                 }
 255                 buflen = sizeof(struct nfsrvstats);
 256                 if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
 257                     *srvstp, &buflen, zero ? &zerostat : NULL,
 258                     zero ? buflen : 0) < 0) {
 259                         if (errno != ENOENT)
 260                                 err(1, "sysctl: vfs.nfsrv.nfsrvstats");
 261                         *srvstp = NULL;
 262                 }
 263         }
 264 }
 265
 266 /*
 267  * Print a description of the nfs stats.
 268  */
 269 void
 270 intpr(int clientOnly, int serverOnly)
 271 {
 272         struct nfsstats nfsstats, *nfsstatsp;
 273         struct nfsrvstats nfsrvstats, *nfsrvstatsp;
 274         int nfssvc_flag;
 275
 276         if (run_v4 == 0) {
 277                 /*
 278                  * Only read the stats we are going to display to avoid zeroing
 279                  * stats the user didn't request.
 280                  */
 281                 if (clientOnly)
 282                         nfsstatsp = &nfsstats;
 283                 else
 284                         nfsstatsp = NULL;
 285                 if (serverOnly)
 286                         nfsrvstatsp = &nfsrvstats;
 287                 else
 288                         nfsrvstatsp = NULL;
 289
 290                 readstats(&nfsstatsp, &nfsrvstatsp, zflag);
 291
 292                 if (clientOnly && !nfsstatsp) {
 293                         printf("Client not present!\n");
 294                         clientOnly = 0;
 295                 }
 296         } else {
 297                 nfssvc_flag = NFSSVC_GETSTATS;
 298                 if (zflag != 0) {
 299                         if (clientOnly != 0)
 300                                 nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
 301                         if (serverOnly != 0)
 302                                 nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
 303                 }
 304                 if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
 305                         err(1, "Can't get stats");
 306         }
 307         if (clientOnly) {
 308                 printf("Client Info:\n");
 309                 printf("Rpc Counts:\n");
 310                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 311                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 312                         "Write", "Create", "Remove");
 313                 if (run_v4 == 0)
 314                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 315                                 nfsstats.rpccnt[NFSPROC_GETATTR],
 316                                 nfsstats.rpccnt[NFSPROC_SETATTR],
 317                                 nfsstats.rpccnt[NFSPROC_LOOKUP],
 318                                 nfsstats.rpccnt[NFSPROC_READLINK],
 319                                 nfsstats.rpccnt[NFSPROC_READ],
 320                                 nfsstats.rpccnt[NFSPROC_WRITE],
 321                                 nfsstats.rpccnt[NFSPROC_CREATE],
 322                                 nfsstats.rpccnt[NFSPROC_REMOVE]);
 323                 else
 324                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 325                                 ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 326                                 ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 327                                 ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 328                                 ext_nfsstats.rpccnt[NFSPROC_READLINK],
 329                                 ext_nfsstats.rpccnt[NFSPROC_READ],
 330                                 ext_nfsstats.rpccnt[NFSPROC_WRITE],
 331                                 ext_nfsstats.rpccnt[NFSPROC_CREATE],
 332                                 ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 333                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 334                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 335                         "Readdir", "RdirPlus", "Access");
 336                 if (run_v4 == 0)
 337                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 338                                 nfsstats.rpccnt[NFSPROC_RENAME],
 339                                 nfsstats.rpccnt[NFSPROC_LINK],
 340                                 nfsstats.rpccnt[NFSPROC_SYMLINK],
 341                                 nfsstats.rpccnt[NFSPROC_MKDIR],
 342                                 nfsstats.rpccnt[NFSPROC_RMDIR],
 343                                 nfsstats.rpccnt[NFSPROC_READDIR],
 344                                 nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 345                                 nfsstats.rpccnt[NFSPROC_ACCESS]);
 346                 else
 347                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 348                                 ext_nfsstats.rpccnt[NFSPROC_RENAME],
 349                                 ext_nfsstats.rpccnt[NFSPROC_LINK],
 350                                 ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 351                                 ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 352                                 ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 353                                 ext_nfsstats.rpccnt[NFSPROC_READDIR],
 354                                 ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 355                                 ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 356                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 357                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 358                 if (run_v4 == 0)
 359                         printf("%9d %9d %9d %9d %9d\n",
 360                                 nfsstats.rpccnt[NFSPROC_MKNOD],
 361                                 nfsstats.rpccnt[NFSPROC_FSSTAT],
 362                                 nfsstats.rpccnt[NFSPROC_FSINFO],
 363                                 nfsstats.rpccnt[NFSPROC_PATHCONF],
 364                                 nfsstats.rpccnt[NFSPROC_COMMIT]);
 365                 else
 366                         printf("%9d %9d %9d %9d %9d\n",
 367                                 ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 368                                 ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 369                                 ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 370                                 ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 371                                 ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
 372                 printf("Rpc Info:\n");
 373                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 374                         "TimedOut", "Invalid", "X Replies", "Retries",
 375                         "Requests");
 376                 if (run_v4 == 0)
 377                         printf("%9d %9d %9d %9d %9d\n",
 378                                 nfsstats.rpctimeouts,
 379                                 nfsstats.rpcinvalid,
 380                                 nfsstats.rpcunexpected,
 381                                 nfsstats.rpcretries,
 382                                 nfsstats.rpcrequests);
 383                 else
 384                         printf("%9d %9d %9d %9d %9d\n",
 385                                 ext_nfsstats.rpctimeouts,
 386                                 ext_nfsstats.rpcinvalid,
 387                                 ext_nfsstats.rpcunexpected,
 388                                 ext_nfsstats.rpcretries,
 389                                 ext_nfsstats.rpcrequests);
 390                 printf("Cache Info:\n");
 391                 printf("%9.9s %9.9s %9.9s %9.9s",
 392                         "Attr Hits", "Misses", "Lkup Hits", "Misses");
 393                 printf(" %9.9s %9.9s %9.9s %9.9s\n",
 394                         "BioR Hits", "Misses", "BioW Hits", "Misses");
 395                 if (run_v4 == 0) {
 396                         printf("%9d %9d %9d %9d",
 397                                 nfsstats.attrcache_hits,
 398                                 nfsstats.attrcache_misses,
 399                                 nfsstats.lookupcache_hits,
 400                                 nfsstats.lookupcache_misses);
 401                         printf(" %9d %9d %9d %9d\n",
 402                                 nfsstats.biocache_reads-nfsstats.read_bios,
 403                                 nfsstats.read_bios,
 404                                 nfsstats.biocache_writes-nfsstats.write_bios,
 405                                 nfsstats.write_bios);
 406                 } else {
 407                         printf("%9d %9d %9d %9d",
 408                                 ext_nfsstats.attrcache_hits,
 409                                 ext_nfsstats.attrcache_misses,
 410                                 ext_nfsstats.lookupcache_hits,
 411                                 ext_nfsstats.lookupcache_misses);
 412                         printf(" %9d %9d %9d %9d\n",
 413                                 ext_nfsstats.biocache_reads -
 414                                 ext_nfsstats.read_bios,
 415                                 ext_nfsstats.read_bios,
 416                                 ext_nfsstats.biocache_writes -
 417                                 ext_nfsstats.write_bios,
 418                                 ext_nfsstats.write_bios);
 419                 }
 420                 printf("%9.9s %9.9s %9.9s %9.9s",
 421                         "BioRLHits", "Misses", "BioD Hits", "Misses");
 422                 printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
 423                 if (run_v4 == 0) {
 424                         printf("%9d %9d %9d %9d",
 425                                 nfsstats.biocache_readlinks -
 426                                 nfsstats.readlink_bios,
 427                                 nfsstats.readlink_bios,
 428                                 nfsstats.biocache_readdirs -
 429                                 nfsstats.readdir_bios,
 430                                 nfsstats.readdir_bios);
 431                         printf(" %9d %9d %9d %9d\n",
 432                                 nfsstats.direofcache_hits,
 433                                 nfsstats.direofcache_misses,
 434                                 nfsstats.accesscache_hits,
 435                                 nfsstats.accesscache_misses);
 436                 } else {
 437                         printf("%9d %9d %9d %9d",
 438                                 ext_nfsstats.biocache_readlinks -
 439                                 ext_nfsstats.readlink_bios,
 440                                 ext_nfsstats.readlink_bios,
 441                                 ext_nfsstats.biocache_readdirs -
 442                                 ext_nfsstats.readdir_bios,
 443                                 ext_nfsstats.readdir_bios);
 444                         printf(" %9d %9d %9d %9d\n",
 445                                 ext_nfsstats.direofcache_hits,
 446                                 ext_nfsstats.direofcache_misses,
 447                                 ext_nfsstats.accesscache_hits,
 448                                 ext_nfsstats.accesscache_misses);
 449                 }
 450         }
 451         if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
 452                 printf("Server not present!\n");
 453                 serverOnly = 0;
 454         }
 455         if (serverOnly) {
 456                 printf("\nServer Info:\n");
 457                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 458                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 459                         "Write", "Create", "Remove");
 460                 if (run_v4 == 0)
 461                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 462                                 nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
 463                                 nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
 464                                 nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
 465                                 nfsrvstats.srvrpccnt[NFSPROC_READLINK],
 466                                 nfsrvstats.srvrpccnt[NFSPROC_READ],
 467                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 468                                 nfsrvstats.srvrpccnt[NFSPROC_CREATE],
 469                                 nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
 470                 else
 471                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 472                                 ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 473                                 ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 474                                 ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 475                                 ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 476                                 ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 477                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 478                                 ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
 479                                 ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 480                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 481                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 482                         "Readdir", "RdirPlus", "Access");
 483                 if (run_v4 == 0)
 484                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 485                                 nfsrvstats.srvrpccnt[NFSPROC_RENAME],
 486                                 nfsrvstats.srvrpccnt[NFSPROC_LINK],
 487                                 nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
 488                                 nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
 489                                 nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
 490                                 nfsrvstats.srvrpccnt[NFSPROC_READDIR],
 491                                 nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
 492                                 nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
 493                 else
 494                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 495                                 ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 496                                 ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 497                                 ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 498                                 ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 499                                 ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 500                                 ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 501                                 ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 502                                 ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 503                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 504                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 505                 if (run_v4 == 0)
 506                         printf("%9d %9d %9d %9d %9d\n",
 507                                 nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
 508                                 nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
 509                                 nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
 510                                 nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
 511                                 nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
 512                 else
 513                         printf("%9d %9d %9d %9d %9d\n",
 514                                 ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 515                                 ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 516                                 ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 517                                 ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 518                                 ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
 519                 printf("Server Ret-Failed\n");
 520                 if (run_v4 == 0)
 521                         printf("%17d\n", nfsrvstats.srvrpc_errs);
 522                 else
 523                         printf("%17d\n", ext_nfsstats.srvrpc_errs);
 524                 printf("Server Faults\n");
 525                 if (run_v4 == 0)
 526                         printf("%13d\n", nfsrvstats.srv_errs);
 527                 else
 528                         printf("%13d\n", ext_nfsstats.srv_errs);
 529                 printf("Server Cache Stats:\n");
 530                 printf("%9.9s %9.9s %9.9s %9.9s\n",
 531                         "Inprog", "Idem", "Non-idem", "Misses");
 532                 if (run_v4 == 0)
 533                         printf("%9d %9d %9d %9d\n",
 534                                 nfsrvstats.srvcache_inproghits,
 535                                 nfsrvstats.srvcache_idemdonehits,
 536                                 nfsrvstats.srvcache_nonidemdonehits,
 537                                 nfsrvstats.srvcache_misses);
 538                 else
 539                         printf("%9d %9d %9d %9d\n",
 540                                 ext_nfsstats.srvcache_inproghits,
 541                                 ext_nfsstats.srvcache_idemdonehits,
 542                                 ext_nfsstats.srvcache_nonidemdonehits,
 543                                 ext_nfsstats.srvcache_misses);
 544                 printf("Server Write Gathering:\n");
 545                 printf("%9.9s %9.9s %9.9s\n",
 546                         "WriteOps", "WriteRPC", "Opsaved");
 547                 if (run_v4 == 0)
 548                         printf("%9d %9d %9d\n",
 549                                 nfsrvstats.srvvop_writes,
 550                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 551                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
 552                                     nfsrvstats.srvvop_writes);
 553                 else
 554                         /*
 555                          * The new client doesn't do write gathering. It was
 556                          * only useful for NFSv2.
 557                          */
 558                         printf("%9d %9d %9d\n",
 559                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 560                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
 561         }
 562 }
 563
 564 u_char  signalled;                      /* set if alarm goes off "early" */
 565
 566 /*
 567  * Print a running summary of nfs statistics.
 568  * Repeat display every interval seconds, showing statistics
 569  * collected over that interval.  Assumes that interval is non-zero.
 570  * First line printed at top of screen is always cumulative.
 571  */
 572 void
 573 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 574 {
 575         struct nfsstats nfsstats, lastst, *nfsstatsp;
 576         struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
 577         int hdrcnt = 1;
 578
 579         nfsstatsp = &lastst;
 580         nfsrvstatsp = &lastsrvst;
 581         readstats(&nfsstatsp, &nfsrvstatsp, 0);
 582         if (clientOnly && !nfsstatsp) {
 583                 printf("Client not present!\n");
 584                 clientOnly = 0;
 585         }
 586         if (serverOnly && !nfsrvstatsp) {
 587                 printf("Server not present!\n");
 588                 serverOnly = 0;
 589         }
 590         sleep(interval);
 591
 592         for (;;) {
 593                 nfsstatsp = &nfsstats;
 594                 nfsrvstatsp = &nfsrvstats;
 595                 readstats(&nfsstatsp, &nfsrvstatsp, 0);
 596
 597                 if (--hdrcnt == 0) {
 598                         printhdr(clientOnly, serverOnly);
 599                         if (clientOnly && serverOnly)
 600                                 hdrcnt = 10;
 601                         else
 602                                 hdrcnt = 20;
 603                 }
 604                 if (clientOnly) {
 605                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 606                         ((clientOnly && serverOnly) ? "Client:" : ""),
 607                         DELTA(rpccnt[NFSPROC_GETATTR]),
 608                         DELTA(rpccnt[NFSPROC_LOOKUP]),
 609                         DELTA(rpccnt[NFSPROC_READLINK]),
 610                         DELTA(rpccnt[NFSPROC_READ]),
 611                         DELTA(rpccnt[NFSPROC_WRITE]),
 612                         DELTA(rpccnt[NFSPROC_RENAME]),
 613                         DELTA(rpccnt[NFSPROC_ACCESS]),
 614                         DELTA(rpccnt[NFSPROC_READDIR]) +
 615                         DELTA(rpccnt[NFSPROC_READDIRPLUS])
 616                     );
 617                     if (widemode) {
 618                             printf(" %s %s %s %s %s %s",
 619                                 sperc1(DELTA(attrcache_hits),
 620                                     DELTA(attrcache_misses)),
 621                                 sperc1(DELTA(lookupcache_hits),
 622                                     DELTA(lookupcache_misses)),
 623                                 sperc2(DELTA(biocache_reads),
 624                                     DELTA(read_bios)),
 625                                 sperc2(DELTA(biocache_writes),
 626                                     DELTA(write_bios)),
 627                                 sperc1(DELTA(accesscache_hits),
 628                                     DELTA(accesscache_misses)),
 629                                 sperc2(DELTA(biocache_readdirs),
 630                                     DELTA(readdir_bios))
 631                             );
 632                     }
 633                     printf("\n");
 634                     lastst = nfsstats;
 635                 }
 636                 if (serverOnly) {
 637                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 638                         ((clientOnly && serverOnly) ? "Server:" : ""),
 639                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
 640                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
 641                         nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
 642                         nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
 643                         nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
 644                         nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
 645                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
 646                         (nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
 647                         +(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
 648                     printf("\n");
 649                     lastsrvst = nfsrvstats;
 650                 }
 651                 fflush(stdout);
 652                 sleep(interval);
 653         }
 654         /*NOTREACHED*/
 655 }
 656
 657 void
 658 printhdr(int clientOnly, int serverOnly)
 659 {
 660         printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
 661             ((serverOnly && clientOnly) ? "        " : " "),
 662             "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
 663             "Access", "Rddir");
 664         if (widemode && clientOnly) {
 665                 printf(" Attr Lkup BioR BioW Accs BioD");
 666         }
 667         printf("\n");
 668         fflush(stdout);
 669 }
 670
 671 void
 672 usage(void)
 673 {
 674         (void)fprintf(stderr,
 675             "usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
 676         exit(1);
 677 }
 678
 679 static char SPBuf[64][8];
 680 static int SPIndex;
 681
 682 char *
 683 sperc1(int hits, int misses)
 684 {
 685         char *p = SPBuf[SPIndex];
 686
 687         if (hits + misses) {
 688                 sprintf(p, "%3d%%",
 689                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
 690         } else {
 691                 sprintf(p, "   -");
 692         }
 693         SPIndex = (SPIndex + 1) & 63;
 694         return(p);
 695 }
 696
 697 char *
 698 sperc2(int ttl, int misses)
 699 {
 700         char *p = SPBuf[SPIndex];
 701
 702         if (ttl) {
 703                 sprintf(p, "%3d%%",
 704                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
 705         } else {
 706                 sprintf(p, "   -");
 707         }
 708         SPIndex = (SPIndex + 1) & 63;
 709         return(p);
 710 }
 711
 712 /*
 713  * Print a description of the nfs stats for the experimental client/server.
 714  */
 715 void
 716 exp_intpr(int clientOnly, int serverOnly)
 717 {
 718         int nfssvc_flag;
 719
 720         nfssvc_flag = NFSSVC_GETSTATS;
 721         if (zflag != 0) {
 722                 if (clientOnly != 0)
 723                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
 724                 if (serverOnly != 0)
 725                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
 726         }
 727         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
 728                 err(1, "Can't get stats");
 729         if (clientOnly != 0) {
 730                 if (printtitle) {
 731                         printf("Client Info:\n");
 732                         printf("Rpc Counts:\n");
 733                         printf(
 734                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 735                             , "Getattr", "Setattr", "Lookup", "Readlink",
 736                             "Read", "Write", "Create", "Remove");
 737                 }
 738                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 739                     ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 740                     ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 741                     ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 742                     ext_nfsstats.rpccnt[NFSPROC_READLINK],
 743                     ext_nfsstats.rpccnt[NFSPROC_READ],
 744                     ext_nfsstats.rpccnt[NFSPROC_WRITE],
 745                     ext_nfsstats.rpccnt[NFSPROC_CREATE],
 746                     ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 747                 if (printtitle)
 748                         printf(
 749                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 750                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 751                             "Readdir", "RdirPlus", "Access");
 752                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 753                     ext_nfsstats.rpccnt[NFSPROC_RENAME],
 754                     ext_nfsstats.rpccnt[NFSPROC_LINK],
 755                     ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 756                     ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 757                     ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 758                     ext_nfsstats.rpccnt[NFSPROC_READDIR],
 759                     ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 760                     ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 761                 if (printtitle)
 762                         printf(
 763                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 764                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 765                             "Commit", "SetClId", "SetClIdCf", "Lock");
 766                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 767                     ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 768                     ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 769                     ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 770                     ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 771                     ext_nfsstats.rpccnt[NFSPROC_COMMIT],
 772                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
 773                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
 774                     ext_nfsstats.rpccnt[NFSPROC_LOCK]);
 775                 if (printtitle)
 776                         printf("%9.9s %9.9s %9.9s %9.9s\n",
 777                             "LockT", "LockU", "Open", "OpenCfr");
 778                 printf("%9d %9d %9d %9d\n",
 779                     ext_nfsstats.rpccnt[NFSPROC_LOCKT],
 780                     ext_nfsstats.rpccnt[NFSPROC_LOCKU],
 781                     ext_nfsstats.rpccnt[NFSPROC_OPEN],
 782                     ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
 783                 if (printtitle)
 784                         printf(
 785                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 786                             , "OpenOwner", "Opens", "LockOwner",
 787                             "Locks", "Delegs", "LocalOwn",
 788                             "LocalOpen", "LocalLOwn");
 789                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 790                     ext_nfsstats.clopenowners,
 791                     ext_nfsstats.clopens,
 792                     ext_nfsstats.cllockowners,
 793                     ext_nfsstats.cllocks,
 794                     ext_nfsstats.cldelegates,
 795                     ext_nfsstats.cllocalopenowners,
 796                     ext_nfsstats.cllocalopens,
 797                     ext_nfsstats.cllocallockowners);
 798                 if (printtitle)
 799                         printf("%9.9s\n", "LocalLock");
 800                 printf("%9d\n", ext_nfsstats.cllocallocks);
 801                 if (printtitle) {
 802                         printf("Rpc Info:\n");
 803                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 804                             "TimedOut", "Invalid", "X Replies", "Retries",
 805                             "Requests");
 806                 }
 807                 printf("%9d %9d %9d %9d %9d\n",
 808                     ext_nfsstats.rpctimeouts,
 809                     ext_nfsstats.rpcinvalid,
 810                     ext_nfsstats.rpcunexpected,
 811                     ext_nfsstats.rpcretries,
 812                     ext_nfsstats.rpcrequests);
 813                 if (printtitle) {
 814                         printf("Cache Info:\n");
 815                         printf("%9.9s %9.9s %9.9s %9.9s",
 816                             "Attr Hits", "Misses", "Lkup Hits", "Misses");
 817                         printf(" %9.9s %9.9s %9.9s %9.9s\n",
 818                             "BioR Hits", "Misses", "BioW Hits", "Misses");
 819                 }
 820                 printf("%9d %9d %9d %9d",
 821                     ext_nfsstats.attrcache_hits,
 822                     ext_nfsstats.attrcache_misses,
 823                     ext_nfsstats.lookupcache_hits,
 824                     ext_nfsstats.lookupcache_misses);
 825                 printf(" %9d %9d %9d %9d\n",
 826                     ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
 827                     ext_nfsstats.read_bios,
 828                     ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
 829                     ext_nfsstats.write_bios);
 830                 if (printtitle) {
 831                         printf("%9.9s %9.9s %9.9s %9.9s",
 832                             "BioRLHits", "Misses", "BioD Hits", "Misses");
 833                         printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
 834                 }
 835                 printf("%9d %9d %9d %9d",
 836                     ext_nfsstats.biocache_readlinks -
 837                     ext_nfsstats.readlink_bios,
 838                     ext_nfsstats.readlink_bios,
 839                     ext_nfsstats.biocache_readdirs -
 840                     ext_nfsstats.readdir_bios,
 841                     ext_nfsstats.readdir_bios);
 842                 printf(" %9d %9d\n",
 843                     ext_nfsstats.direofcache_hits,
 844                     ext_nfsstats.direofcache_misses);
 845         }
 846         if (serverOnly != 0) {
 847                 if (printtitle) {
 848                         printf("\nServer Info:\n");
 849                         printf(
 850                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 851                             , "Getattr", "Setattr", "Lookup", "Readlink",
 852                             "Read", "Write", "Create", "Remove");
 853                 }
 854                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 855                     ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 856                     ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 857                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 858                     ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 859                     ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 860                     ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 861                     ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
 862                     ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 863                 if (printtitle)
 864                         printf(
 865                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 866                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 867                             "Readdir", "RdirPlus", "Access");
 868                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 869                     ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 870                     ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 871                     ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 872                     ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 873                     ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 874                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 875                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 876                     ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 877                 if (printtitle)
 878                         printf(
 879                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 880                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 881                             "Commit", "LookupP", "SetClId", "SetClIdCf");
 882                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 883                     ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 884                     ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 885                     ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 886                     ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 887                     ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
 888                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
 889                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
 890                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
 891                 if (printtitle)
 892                         printf(
 893                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 894                             , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
 895                             "DelePurge", "DeleRet", "GetFH", "Lock");
 896                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 897                     ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
 898                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
 899                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
 900                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
 901                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
 902                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
 903                     ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
 904                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
 905                 if (printtitle)
 906                         printf(
 907                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 908                             , "LockT", "LockU", "Close", "Verify", "NVerify",
 909                             "PutFH", "PutPubFH", "PutRootFH");
 910                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 911                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
 912                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
 913                     ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
 914                     ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
 915                     ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
 916                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
 917                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
 918                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
 919                 if (printtitle)
 920                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 921                             "Renew", "RestoreFH", "SaveFH", "Secinfo",
 922                             "RelLckOwn", "V4Create");
 923                 printf("%9d %9d %9d %9d %9d %9d\n",
 924                     ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
 925                     ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
 926                     ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
 927                     ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
 928                     ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
 929                     ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
 930                 if (printtitle) {
 931                         printf("Server:\n");
 932                         printf("%9.9s %9.9s %9.9s\n",
 933                             "Retfailed", "Faults", "Clients");
 934                 }
 935                 printf("%9d %9d %9d\n",
 936                     ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
 937                     ext_nfsstats.srvclients);
 938                 if (printtitle)
 939                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
 940                             "OpenOwner", "Opens", "LockOwner",
 941                             "Locks", "Delegs");
 942                 printf("%9d %9d %9d %9d %9d \n",
 943                     ext_nfsstats.srvopenowners,
 944                     ext_nfsstats.srvopens,
 945                     ext_nfsstats.srvlockowners,
 946                     ext_nfsstats.srvlocks,
 947                     ext_nfsstats.srvdelegates);
 948                 if (printtitle) {
 949                         printf("Server Cache Stats:\n");
 950                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 951                             "Inprog", "Idem", "Non-idem", "Misses",
 952                             "CacheSize", "TCPPeak");
 953                 }
 954                 printf("%9d %9d %9d %9d %9d %9d\n",
 955                     ext_nfsstats.srvcache_inproghits,
 956                     ext_nfsstats.srvcache_idemdonehits,
 957                     ext_nfsstats.srvcache_nonidemdonehits,
 958                     ext_nfsstats.srvcache_misses,
 959                     ext_nfsstats.srvcache_size,
 960                     ext_nfsstats.srvcache_tcppeak);
 961         }
 962 }
 963
 964 /*
 965  * Print a running summary of nfs statistics for the experimental client and/or
 966  * server.
 967  * Repeat display every interval seconds, showing statistics
 968  * collected over that interval.  Assumes that interval is non-zero.
 969  * First line printed at top of screen is always cumulative.
 970  */
 971 void
 972 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 973 {
 974         struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
 975         int hdrcnt = 1;
 976
 977         ext_nfsstatsp = &lastst;
 978         if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 979                 err(1, "Can't get stats");
 980         sleep(interval);
 981
 982         for (;;) {
 983                 ext_nfsstatsp = &nfsstats;
 984                 if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 985                         err(1, "Can't get stats");
 986
 987                 if (--hdrcnt == 0) {
 988                         printhdr(clientOnly, serverOnly);
 989                         if (clientOnly && serverOnly)
 990                                 hdrcnt = 10;
 991                         else
 992                                 hdrcnt = 20;
 993                 }
 994                 if (clientOnly) {
 995                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 996                         ((clientOnly && serverOnly) ? "Client:" : ""),
 997                         DELTA(rpccnt[NFSPROC_GETATTR]),
 998                         DELTA(rpccnt[NFSPROC_LOOKUP]),
 999                         DELTA(rpccnt[NFSPROC_READLINK]),
1000                         DELTA(rpccnt[NFSPROC_READ]),
1001                         DELTA(rpccnt[NFSPROC_WRITE]),
1002                         DELTA(rpccnt[NFSPROC_RENAME]),
1003                         DELTA(rpccnt[NFSPROC_ACCESS]),
1004                         DELTA(rpccnt[NFSPROC_READDIR]) +
1005                         DELTA(rpccnt[NFSPROC_READDIRPLUS])
1006                     );
1007                     if (widemode) {
1008                             printf(" %s %s %s %s %s %s",
1009                                 sperc1(DELTA(attrcache_hits),
1010                                     DELTA(attrcache_misses)),
1011                                 sperc1(DELTA(lookupcache_hits),
1012                                     DELTA(lookupcache_misses)),
1013                                 sperc2(DELTA(biocache_reads),
1014                                     DELTA(read_bios)),
1015                                 sperc2(DELTA(biocache_writes),
1016                                     DELTA(write_bios)),
1017                                 sperc1(DELTA(accesscache_hits),
1018                                     DELTA(accesscache_misses)),
1019                                 sperc2(DELTA(biocache_readdirs),
1020                                     DELTA(readdir_bios))
1021                             );
1022                     }
1023                     printf("\n");
1024                 }
1025                 if (serverOnly) {
1026                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
1027                         ((clientOnly && serverOnly) ? "Server:" : ""),
1028                         DELTA(srvrpccnt[NFSV4OP_GETATTR]),
1029                         DELTA(srvrpccnt[NFSV4OP_LOOKUP]),
1030                         DELTA(srvrpccnt[NFSV4OP_READLINK]),
1031                         DELTA(srvrpccnt[NFSV4OP_READ]),
1032                         DELTA(srvrpccnt[NFSV4OP_WRITE]),
1033                         DELTA(srvrpccnt[NFSV4OP_RENAME]),
1034                         DELTA(srvrpccnt[NFSV4OP_ACCESS]),
1035                         DELTA(srvrpccnt[NFSV4OP_READDIR]) +
1036                         DELTA(srvrpccnt[NFSV4OP_READDIRPLUS]));
1037                     printf("\n");
1038                 }
1039                 lastst = nfsstats;
1040                 fflush(stdout);
1041                 sleep(interval);
1042         }
1043         /*NOTREACHED*/
1044 }
1045