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                                 }
 137                                 mntbuf++;
 138                         }
 139                         exit(0);
 140                 case 'N':
 141                         nlistf = optarg;
 142                         break;
 143                 case 'W':
 144                         widemode = 1;
 145                         break;
 146                 case 'w':
 147                         interval = atoi(optarg);
 148                         break;
 149                 case 'c':
 150                         clientOnly = 1;
 151                         if (serverOnly < 0)
 152                                 serverOnly = 0;
 153                         break;
 154                 case 's':
 155                         serverOnly = 1;
 156                         if (clientOnly < 0)
 157                                 clientOnly = 0;
 158                         break;
 159                 case 'z':
 160                         zflag = 1;
 161                         break;
 162                 case 'o':
 163                         if (extra_output != 0)
 164                                 err(1, "-o incompatible with -e");
 165                         run_v4 = 0;
 166                         break;
 167                 case 'e':
 168                         if (run_v4 == 0)
 169                                 err(1, "-e incompatible with -o");
 170                         extra_output = 1;
 171                         break;
 172                 case '?':
 173                 default:
 174                         usage();
 175                 }
 176         argc -= optind;
 177         argv += optind;
 178
 179 #define BACKWARD_COMPATIBILITY
 180 #ifdef  BACKWARD_COMPATIBILITY
 181         if (*argv) {
 182                 interval = atoi(*argv);
 183                 if (*++argv) {
 184                         nlistf = *argv;
 185                         if (*++argv)
 186                                 memf = *argv;
 187                 }
 188         }
 189 #endif
 190         if (run_v4 != 0 && modfind("nfscommon") < 0)
 191                 errx(1, "new client/server not loaded");
 192
 193         if (run_v4 == 0 && (nlistf != NULL || memf != NULL)) {
 194                 deadkernel = 1;
 195
 196                 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
 197                                         errbuf)) == 0) {
 198                         errx(1, "kvm_openfiles: %s", errbuf);
 199                 }
 200                 if (kvm_nlist(kd, nl) != 0) {
 201                         errx(1, "kvm_nlist: can't get names");
 202                 }
 203         }
 204
 205         if (interval) {
 206                 if (run_v4 > 0)
 207                         exp_sidewaysintpr(interval, clientOnly, serverOnly);
 208                 else
 209                         sidewaysintpr(interval, clientOnly, serverOnly);
 210         } else {
 211                 if (extra_output != 0)
 212                         exp_intpr(clientOnly, serverOnly);
 213                 else
 214                         intpr(clientOnly, serverOnly);
 215         }
 216         exit(0);
 217 }
 218
 219 /*
 220  * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
 221  * for dead ones.
 222  */
 223 static void
 224 readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
 225 {
 226         union {
 227                 struct nfsstats client;
 228                 struct nfsrvstats server;
 229         } zerostat;
 230         size_t buflen;
 231
 232         if (deadkernel) {
 233                 if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
 234                     *stp, sizeof(struct nfsstats)) < 0) {
 235                         *stp = NULL;
 236                 }
 237                 if (*srvstp != NULL && kvm_read(kd,
 238                     (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
 239                     sizeof(struct nfsrvstats)) < 0) {
 240                         *srvstp = NULL;
 241                 }
 242         } else {
 243                 if (zero)
 244                         bzero(&zerostat, sizeof(zerostat));
 245                 buflen = sizeof(struct nfsstats);
 246                 if (*stp != NULL && sysctlbyname("vfs.oldnfs.nfsstats", *stp,
 247                     &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
 248                         if (errno != ENOENT)
 249                                 err(1, "sysctl: vfs.oldnfs.nfsstats");
 250                         *stp = NULL;
 251                 }
 252                 buflen = sizeof(struct nfsrvstats);
 253                 if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
 254                     *srvstp, &buflen, zero ? &zerostat : NULL,
 255                     zero ? buflen : 0) < 0) {
 256                         if (errno != ENOENT)
 257                                 err(1, "sysctl: vfs.nfsrv.nfsrvstats");
 258                         *srvstp = NULL;
 259                 }
 260         }
 261 }
 262
 263 /*
 264  * Print a description of the nfs stats.
 265  */
 266 void
 267 intpr(int clientOnly, int serverOnly)
 268 {
 269         struct nfsstats nfsstats, *nfsstatsp;
 270         struct nfsrvstats nfsrvstats, *nfsrvstatsp;
 271         int nfssvc_flag;
 272
 273         if (run_v4 == 0) {
 274                 /*
 275                  * Only read the stats we are going to display to avoid zeroing
 276                  * stats the user didn't request.
 277                  */
 278                 if (clientOnly)
 279                         nfsstatsp = &nfsstats;
 280                 else
 281                         nfsstatsp = NULL;
 282                 if (serverOnly)
 283                         nfsrvstatsp = &nfsrvstats;
 284                 else
 285                         nfsrvstatsp = NULL;
 286
 287                 readstats(&nfsstatsp, &nfsrvstatsp, zflag);
 288
 289                 if (clientOnly && !nfsstatsp) {
 290                         printf("Client not present!\n");
 291                         clientOnly = 0;
 292                 }
 293         } else {
 294                 nfssvc_flag = NFSSVC_GETSTATS;
 295                 if (zflag != 0) {
 296                         if (clientOnly != 0)
 297                                 nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
 298                         if (serverOnly != 0)
 299                                 nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
 300                 }
 301                 if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
 302                         err(1, "Can't get stats");
 303         }
 304         if (clientOnly) {
 305                 printf("Client Info:\n");
 306                 printf("Rpc Counts:\n");
 307                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 308                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 309                         "Write", "Create", "Remove");
 310                 if (run_v4 == 0)
 311                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 312                                 nfsstats.rpccnt[NFSPROC_GETATTR],
 313                                 nfsstats.rpccnt[NFSPROC_SETATTR],
 314                                 nfsstats.rpccnt[NFSPROC_LOOKUP],
 315                                 nfsstats.rpccnt[NFSPROC_READLINK],
 316                                 nfsstats.rpccnt[NFSPROC_READ],
 317                                 nfsstats.rpccnt[NFSPROC_WRITE],
 318                                 nfsstats.rpccnt[NFSPROC_CREATE],
 319                                 nfsstats.rpccnt[NFSPROC_REMOVE]);
 320                 else
 321                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 322                                 ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 323                                 ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 324                                 ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 325                                 ext_nfsstats.rpccnt[NFSPROC_READLINK],
 326                                 ext_nfsstats.rpccnt[NFSPROC_READ],
 327                                 ext_nfsstats.rpccnt[NFSPROC_WRITE],
 328                                 ext_nfsstats.rpccnt[NFSPROC_CREATE],
 329                                 ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 330                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 331                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 332                         "Readdir", "RdirPlus", "Access");
 333                 if (run_v4 == 0)
 334                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 335                                 nfsstats.rpccnt[NFSPROC_RENAME],
 336                                 nfsstats.rpccnt[NFSPROC_LINK],
 337                                 nfsstats.rpccnt[NFSPROC_SYMLINK],
 338                                 nfsstats.rpccnt[NFSPROC_MKDIR],
 339                                 nfsstats.rpccnt[NFSPROC_RMDIR],
 340                                 nfsstats.rpccnt[NFSPROC_READDIR],
 341                                 nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 342                                 nfsstats.rpccnt[NFSPROC_ACCESS]);
 343                 else
 344                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 345                                 ext_nfsstats.rpccnt[NFSPROC_RENAME],
 346                                 ext_nfsstats.rpccnt[NFSPROC_LINK],
 347                                 ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 348                                 ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 349                                 ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 350                                 ext_nfsstats.rpccnt[NFSPROC_READDIR],
 351                                 ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 352                                 ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 353                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 354                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 355                 if (run_v4 == 0)
 356                         printf("%9d %9d %9d %9d %9d\n",
 357                                 nfsstats.rpccnt[NFSPROC_MKNOD],
 358                                 nfsstats.rpccnt[NFSPROC_FSSTAT],
 359                                 nfsstats.rpccnt[NFSPROC_FSINFO],
 360                                 nfsstats.rpccnt[NFSPROC_PATHCONF],
 361                                 nfsstats.rpccnt[NFSPROC_COMMIT]);
 362                 else
 363                         printf("%9d %9d %9d %9d %9d\n",
 364                                 ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 365                                 ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 366                                 ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 367                                 ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 368                                 ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
 369                 printf("Rpc Info:\n");
 370                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 371                         "TimedOut", "Invalid", "X Replies", "Retries",
 372                         "Requests");
 373                 if (run_v4 == 0)
 374                         printf("%9d %9d %9d %9d %9d\n",
 375                                 nfsstats.rpctimeouts,
 376                                 nfsstats.rpcinvalid,
 377                                 nfsstats.rpcunexpected,
 378                                 nfsstats.rpcretries,
 379                                 nfsstats.rpcrequests);
 380                 else
 381                         printf("%9d %9d %9d %9d %9d\n",
 382                                 ext_nfsstats.rpctimeouts,
 383                                 ext_nfsstats.rpcinvalid,
 384                                 ext_nfsstats.rpcunexpected,
 385                                 ext_nfsstats.rpcretries,
 386                                 ext_nfsstats.rpcrequests);
 387                 printf("Cache Info:\n");
 388                 printf("%9.9s %9.9s %9.9s %9.9s",
 389                         "Attr Hits", "Misses", "Lkup Hits", "Misses");
 390                 printf(" %9.9s %9.9s %9.9s %9.9s\n",
 391                         "BioR Hits", "Misses", "BioW Hits", "Misses");
 392                 if (run_v4 == 0) {
 393                         printf("%9d %9d %9d %9d",
 394                                 nfsstats.attrcache_hits,
 395                                 nfsstats.attrcache_misses,
 396                                 nfsstats.lookupcache_hits,
 397                                 nfsstats.lookupcache_misses);
 398                         printf(" %9d %9d %9d %9d\n",
 399                                 nfsstats.biocache_reads-nfsstats.read_bios,
 400                                 nfsstats.read_bios,
 401                                 nfsstats.biocache_writes-nfsstats.write_bios,
 402                                 nfsstats.write_bios);
 403                 } else {
 404                         printf("%9d %9d %9d %9d",
 405                                 ext_nfsstats.attrcache_hits,
 406                                 ext_nfsstats.attrcache_misses,
 407                                 ext_nfsstats.lookupcache_hits,
 408                                 ext_nfsstats.lookupcache_misses);
 409                         printf(" %9d %9d %9d %9d\n",
 410                                 ext_nfsstats.biocache_reads -
 411                                 ext_nfsstats.read_bios,
 412                                 ext_nfsstats.read_bios,
 413                                 ext_nfsstats.biocache_writes -
 414                                 ext_nfsstats.write_bios,
 415                                 ext_nfsstats.write_bios);
 416                 }
 417                 printf("%9.9s %9.9s %9.9s %9.9s",
 418                         "BioRLHits", "Misses", "BioD Hits", "Misses");
 419                 printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
 420                 if (run_v4 == 0) {
 421                         printf("%9d %9d %9d %9d",
 422                                 nfsstats.biocache_readlinks -
 423                                 nfsstats.readlink_bios,
 424                                 nfsstats.readlink_bios,
 425                                 nfsstats.biocache_readdirs -
 426                                 nfsstats.readdir_bios,
 427                                 nfsstats.readdir_bios);
 428                         printf(" %9d %9d %9d %9d\n",
 429                                 nfsstats.direofcache_hits,
 430                                 nfsstats.direofcache_misses,
 431                                 nfsstats.accesscache_hits,
 432                                 nfsstats.accesscache_misses);
 433                 } else {
 434                         printf("%9d %9d %9d %9d",
 435                                 ext_nfsstats.biocache_readlinks -
 436                                 ext_nfsstats.readlink_bios,
 437                                 ext_nfsstats.readlink_bios,
 438                                 ext_nfsstats.biocache_readdirs -
 439                                 ext_nfsstats.readdir_bios,
 440                                 ext_nfsstats.readdir_bios);
 441                         printf(" %9d %9d %9d %9d\n",
 442                                 ext_nfsstats.direofcache_hits,
 443                                 ext_nfsstats.direofcache_misses,
 444                                 ext_nfsstats.accesscache_hits,
 445                                 ext_nfsstats.accesscache_misses);
 446                 }
 447         }
 448         if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
 449                 printf("Server not present!\n");
 450                 serverOnly = 0;
 451         }
 452         if (serverOnly) {
 453                 printf("\nServer Info:\n");
 454                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 455                         "Getattr", "Setattr", "Lookup", "Readlink", "Read",
 456                         "Write", "Create", "Remove");
 457                 if (run_v4 == 0)
 458                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 459                                 nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
 460                                 nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
 461                                 nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
 462                                 nfsrvstats.srvrpccnt[NFSPROC_READLINK],
 463                                 nfsrvstats.srvrpccnt[NFSPROC_READ],
 464                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 465                                 nfsrvstats.srvrpccnt[NFSPROC_CREATE],
 466                                 nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
 467                 else
 468                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 469                                 ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 470                                 ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 471                                 ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 472                                 ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 473                                 ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 474                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 475                                 ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
 476                                 ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 477                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 478                         "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 479                         "Readdir", "RdirPlus", "Access");
 480                 if (run_v4 == 0)
 481                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 482                                 nfsrvstats.srvrpccnt[NFSPROC_RENAME],
 483                                 nfsrvstats.srvrpccnt[NFSPROC_LINK],
 484                                 nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
 485                                 nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
 486                                 nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
 487                                 nfsrvstats.srvrpccnt[NFSPROC_READDIR],
 488                                 nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
 489                                 nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
 490                 else
 491                         printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 492                                 ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 493                                 ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 494                                 ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 495                                 ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 496                                 ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 497                                 ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 498                                 ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 499                                 ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 500                 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 501                         "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
 502                 if (run_v4 == 0)
 503                         printf("%9d %9d %9d %9d %9d\n",
 504                                 nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
 505                                 nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
 506                                 nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
 507                                 nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
 508                                 nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
 509                 else
 510                         printf("%9d %9d %9d %9d %9d\n",
 511                                 ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 512                                 ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 513                                 ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 514                                 ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 515                                 ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
 516                 printf("Server Ret-Failed\n");
 517                 if (run_v4 == 0)
 518                         printf("%17d\n", nfsrvstats.srvrpc_errs);
 519                 else
 520                         printf("%17d\n", ext_nfsstats.srvrpc_errs);
 521                 printf("Server Faults\n");
 522                 if (run_v4 == 0)
 523                         printf("%13d\n", nfsrvstats.srv_errs);
 524                 else
 525                         printf("%13d\n", ext_nfsstats.srv_errs);
 526                 printf("Server Cache Stats:\n");
 527                 printf("%9.9s %9.9s %9.9s %9.9s\n",
 528                         "Inprog", "Idem", "Non-idem", "Misses");
 529                 if (run_v4 == 0)
 530                         printf("%9d %9d %9d %9d\n",
 531                                 nfsrvstats.srvcache_inproghits,
 532                                 nfsrvstats.srvcache_idemdonehits,
 533                                 nfsrvstats.srvcache_nonidemdonehits,
 534                                 nfsrvstats.srvcache_misses);
 535                 else
 536                         printf("%9d %9d %9d %9d\n",
 537                                 ext_nfsstats.srvcache_inproghits,
 538                                 ext_nfsstats.srvcache_idemdonehits,
 539                                 ext_nfsstats.srvcache_nonidemdonehits,
 540                                 ext_nfsstats.srvcache_misses);
 541                 printf("Server Write Gathering:\n");
 542                 printf("%9.9s %9.9s %9.9s\n",
 543                         "WriteOps", "WriteRPC", "Opsaved");
 544                 if (run_v4 == 0)
 545                         printf("%9d %9d %9d\n",
 546                                 nfsrvstats.srvvop_writes,
 547                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE],
 548                                 nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
 549                                     nfsrvstats.srvvop_writes);
 550                 else
 551                         /*
 552                          * The new client doesn't do write gathering. It was
 553                          * only useful for NFSv2.
 554                          */
 555                         printf("%9d %9d %9d\n",
 556                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 557                                 ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
 558         }
 559 }
 560
 561 u_char  signalled;                      /* set if alarm goes off "early" */
 562
 563 /*
 564  * Print a running summary of nfs statistics.
 565  * Repeat display every interval seconds, showing statistics
 566  * collected over that interval.  Assumes that interval is non-zero.
 567  * First line printed at top of screen is always cumulative.
 568  */
 569 void
 570 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 571 {
 572         struct nfsstats nfsstats, lastst, *nfsstatsp;
 573         struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
 574         int hdrcnt = 1;
 575
 576         nfsstatsp = &lastst;
 577         nfsrvstatsp = &lastsrvst;
 578         readstats(&nfsstatsp, &nfsrvstatsp, 0);
 579         if (clientOnly && !nfsstatsp) {
 580                 printf("Client not present!\n");
 581                 clientOnly = 0;
 582         }
 583         if (serverOnly && !nfsrvstatsp) {
 584                 printf("Server not present!\n");
 585                 serverOnly = 0;
 586         }
 587         sleep(interval);
 588
 589         for (;;) {
 590                 nfsstatsp = &nfsstats;
 591                 nfsrvstatsp = &nfsrvstats;
 592                 readstats(&nfsstatsp, &nfsrvstatsp, 0);
 593
 594                 if (--hdrcnt == 0) {
 595                         printhdr(clientOnly, serverOnly);
 596                         if (clientOnly && serverOnly)
 597                                 hdrcnt = 10;
 598                         else
 599                                 hdrcnt = 20;
 600                 }
 601                 if (clientOnly) {
 602                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 603                         ((clientOnly && serverOnly) ? "Client:" : ""),
 604                         DELTA(attrcache_hits) + DELTA(attrcache_misses),
 605                         DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
 606                         DELTA(biocache_readlinks),
 607                         DELTA(biocache_reads),
 608                         DELTA(biocache_writes),
 609                         nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
 610                         DELTA(accesscache_hits) + DELTA(accesscache_misses),
 611                         DELTA(biocache_readdirs)
 612                     );
 613                     if (widemode) {
 614                             printf(" %s %s %s %s %s %s",
 615                                 sperc1(DELTA(attrcache_hits),
 616                                     DELTA(attrcache_misses)),
 617                                 sperc1(DELTA(lookupcache_hits),
 618                                     DELTA(lookupcache_misses)),
 619                                 sperc2(DELTA(biocache_reads),
 620                                     DELTA(read_bios)),
 621                                 sperc2(DELTA(biocache_writes),
 622                                     DELTA(write_bios)),
 623                                 sperc1(DELTA(accesscache_hits),
 624                                     DELTA(accesscache_misses)),
 625                                 sperc2(DELTA(biocache_readdirs),
 626                                     DELTA(readdir_bios))
 627                             );
 628                     }
 629                     printf("\n");
 630                     lastst = nfsstats;
 631                 }
 632                 if (serverOnly) {
 633                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 634                         ((clientOnly && serverOnly) ? "Server:" : ""),
 635                         nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
 636                         nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
 637                         nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
 638                         nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
 639                         nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
 640                         nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
 641                         nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
 642                         (nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
 643                         +(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
 644                     printf("\n");
 645                     lastsrvst = nfsrvstats;
 646                 }
 647                 fflush(stdout);
 648                 sleep(interval);
 649         }
 650         /*NOTREACHED*/
 651 }
 652
 653 void
 654 printhdr(int clientOnly, int serverOnly)
 655 {
 656         printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
 657             ((serverOnly && clientOnly) ? "        " : " "),
 658             "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
 659             "Access", "Rddir");
 660         if (widemode && clientOnly) {
 661                 printf(" Attr Lkup BioR BioW Accs BioD");
 662         }
 663         printf("\n");
 664         fflush(stdout);
 665 }
 666
 667 void
 668 usage(void)
 669 {
 670         (void)fprintf(stderr,
 671             "usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
 672         exit(1);
 673 }
 674
 675 static char SPBuf[64][8];
 676 static int SPIndex;
 677
 678 char *
 679 sperc1(int hits, int misses)
 680 {
 681         char *p = SPBuf[SPIndex];
 682
 683         if (hits + misses) {
 684                 sprintf(p, "%3d%%",
 685                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
 686         } else {
 687                 sprintf(p, "   -");
 688         }
 689         SPIndex = (SPIndex + 1) & 63;
 690         return(p);
 691 }
 692
 693 char *
 694 sperc2(int ttl, int misses)
 695 {
 696         char *p = SPBuf[SPIndex];
 697
 698         if (ttl) {
 699                 sprintf(p, "%3d%%",
 700                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
 701         } else {
 702                 sprintf(p, "   -");
 703         }
 704         SPIndex = (SPIndex + 1) & 63;
 705         return(p);
 706 }
 707
 708 /*
 709  * Print a description of the nfs stats for the experimental client/server.
 710  */
 711 void
 712 exp_intpr(int clientOnly, int serverOnly)
 713 {
 714         int nfssvc_flag;
 715
 716         nfssvc_flag = NFSSVC_GETSTATS;
 717         if (zflag != 0) {
 718                 if (clientOnly != 0)
 719                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
 720                 if (serverOnly != 0)
 721                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
 722         }
 723         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
 724                 err(1, "Can't get stats");
 725         if (clientOnly != 0) {
 726                 if (printtitle) {
 727                         printf("Client Info:\n");
 728                         printf("Rpc Counts:\n");
 729                         printf(
 730                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 731                             , "Getattr", "Setattr", "Lookup", "Readlink",
 732                             "Read", "Write", "Create", "Remove");
 733                 }
 734                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 735                     ext_nfsstats.rpccnt[NFSPROC_GETATTR],
 736                     ext_nfsstats.rpccnt[NFSPROC_SETATTR],
 737                     ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
 738                     ext_nfsstats.rpccnt[NFSPROC_READLINK],
 739                     ext_nfsstats.rpccnt[NFSPROC_READ],
 740                     ext_nfsstats.rpccnt[NFSPROC_WRITE],
 741                     ext_nfsstats.rpccnt[NFSPROC_CREATE],
 742                     ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
 743                 if (printtitle)
 744                         printf(
 745                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 746                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 747                             "Readdir", "RdirPlus", "Access");
 748                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 749                     ext_nfsstats.rpccnt[NFSPROC_RENAME],
 750                     ext_nfsstats.rpccnt[NFSPROC_LINK],
 751                     ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
 752                     ext_nfsstats.rpccnt[NFSPROC_MKDIR],
 753                     ext_nfsstats.rpccnt[NFSPROC_RMDIR],
 754                     ext_nfsstats.rpccnt[NFSPROC_READDIR],
 755                     ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
 756                     ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
 757                 if (printtitle)
 758                         printf(
 759                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 760                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 761                             "Commit", "SetClId", "SetClIdCf", "Lock");
 762                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 763                     ext_nfsstats.rpccnt[NFSPROC_MKNOD],
 764                     ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
 765                     ext_nfsstats.rpccnt[NFSPROC_FSINFO],
 766                     ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
 767                     ext_nfsstats.rpccnt[NFSPROC_COMMIT],
 768                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
 769                     ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
 770                     ext_nfsstats.rpccnt[NFSPROC_LOCK]);
 771                 if (printtitle)
 772                         printf("%9.9s %9.9s %9.9s %9.9s\n",
 773                             "LockT", "LockU", "Open", "OpenCfr");
 774                 printf("%9d %9d %9d %9d\n",
 775                     ext_nfsstats.rpccnt[NFSPROC_LOCKT],
 776                     ext_nfsstats.rpccnt[NFSPROC_LOCKU],
 777                     ext_nfsstats.rpccnt[NFSPROC_OPEN],
 778                     ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
 779                 if (printtitle)
 780                         printf(
 781                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 782                             , "OpenOwner", "Opens", "LockOwner",
 783                             "Locks", "Delegs", "LocalOwn",
 784                             "LocalOpen", "LocalLOwn");
 785                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 786                     ext_nfsstats.clopenowners,
 787                     ext_nfsstats.clopens,
 788                     ext_nfsstats.cllockowners,
 789                     ext_nfsstats.cllocks,
 790                     ext_nfsstats.cldelegates,
 791                     ext_nfsstats.cllocalopenowners,
 792                     ext_nfsstats.cllocalopens,
 793                     ext_nfsstats.cllocallockowners);
 794                 if (printtitle)
 795                         printf("%9.9s\n", "LocalLock");
 796                 printf("%9d\n", ext_nfsstats.cllocallocks);
 797                 if (printtitle) {
 798                         printf("Rpc Info:\n");
 799                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
 800                             "TimedOut", "Invalid", "X Replies", "Retries",
 801                             "Requests");
 802                 }
 803                 printf("%9d %9d %9d %9d %9d\n",
 804                     ext_nfsstats.rpctimeouts,
 805                     ext_nfsstats.rpcinvalid,
 806                     ext_nfsstats.rpcunexpected,
 807                     ext_nfsstats.rpcretries,
 808                     ext_nfsstats.rpcrequests);
 809                 if (printtitle) {
 810                         printf("Cache Info:\n");
 811                         printf("%9.9s %9.9s %9.9s %9.9s",
 812                             "Attr Hits", "Misses", "Lkup Hits", "Misses");
 813                         printf(" %9.9s %9.9s %9.9s %9.9s\n",
 814                             "BioR Hits", "Misses", "BioW Hits", "Misses");
 815                 }
 816                 printf("%9d %9d %9d %9d",
 817                     ext_nfsstats.attrcache_hits,
 818                     ext_nfsstats.attrcache_misses,
 819                     ext_nfsstats.lookupcache_hits,
 820                     ext_nfsstats.lookupcache_misses);
 821                 printf(" %9d %9d %9d %9d\n",
 822                     ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
 823                     ext_nfsstats.read_bios,
 824                     ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
 825                     ext_nfsstats.write_bios);
 826                 if (printtitle) {
 827                         printf("%9.9s %9.9s %9.9s %9.9s",
 828                             "BioRLHits", "Misses", "BioD Hits", "Misses");
 829                         printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
 830                 }
 831                 printf("%9d %9d %9d %9d",
 832                     ext_nfsstats.biocache_readlinks -
 833                     ext_nfsstats.readlink_bios,
 834                     ext_nfsstats.readlink_bios,
 835                     ext_nfsstats.biocache_readdirs -
 836                     ext_nfsstats.readdir_bios,
 837                     ext_nfsstats.readdir_bios);
 838                 printf(" %9d %9d\n",
 839                     ext_nfsstats.direofcache_hits,
 840                     ext_nfsstats.direofcache_misses);
 841         }
 842         if (serverOnly != 0) {
 843                 if (printtitle) {
 844                         printf("\nServer Info:\n");
 845                         printf(
 846                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 847                             , "Getattr", "Setattr", "Lookup", "Readlink",
 848                             "Read", "Write", "Create", "Remove");
 849                 }
 850                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 851                     ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
 852                     ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
 853                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
 854                     ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
 855                     ext_nfsstats.srvrpccnt[NFSV4OP_READ],
 856                     ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
 857                     ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
 858                     ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
 859                 if (printtitle)
 860                         printf(
 861                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 862                             , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
 863                             "Readdir", "RdirPlus", "Access");
 864                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 865                     ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
 866                     ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
 867                     ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
 868                     ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
 869                     ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
 870                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
 871                     ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
 872                     ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
 873                 if (printtitle)
 874                         printf(
 875                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 876                             , "Mknod", "Fsstat", "Fsinfo", "PathConf",
 877                             "Commit", "LookupP", "SetClId", "SetClIdCf");
 878                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 879                     ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
 880                     ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
 881                     ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
 882                     ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
 883                     ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
 884                     ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
 885                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
 886                     ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
 887                 if (printtitle)
 888                         printf(
 889                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 890                             , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
 891                             "DelePurge", "DeleRet", "GetFH", "Lock");
 892                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 893                     ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
 894                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
 895                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
 896                     ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
 897                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
 898                     ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
 899                     ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
 900                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
 901                 if (printtitle)
 902                         printf(
 903                             "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
 904                             , "LockT", "LockU", "Close", "Verify", "NVerify",
 905                             "PutFH", "PutPubFH", "PutRootFH");
 906                 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
 907                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
 908                     ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
 909                     ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
 910                     ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
 911                     ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
 912                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
 913                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
 914                     ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
 915                 if (printtitle)
 916                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 917                             "Renew", "RestoreFH", "SaveFH", "Secinfo",
 918                             "RelLckOwn", "V4Create");
 919                 printf("%9d %9d %9d %9d %9d %9d\n",
 920                     ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
 921                     ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
 922                     ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
 923                     ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
 924                     ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
 925                     ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
 926                 if (printtitle) {
 927                         printf("Server:\n");
 928                         printf("%9.9s %9.9s %9.9s\n",
 929                             "Retfailed", "Faults", "Clients");
 930                 }
 931                 printf("%9d %9d %9d\n",
 932                     ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
 933                     ext_nfsstats.srvclients);
 934                 if (printtitle)
 935                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
 936                             "OpenOwner", "Opens", "LockOwner",
 937                             "Locks", "Delegs");
 938                 printf("%9d %9d %9d %9d %9d \n",
 939                     ext_nfsstats.srvopenowners,
 940                     ext_nfsstats.srvopens,
 941                     ext_nfsstats.srvlockowners,
 942                     ext_nfsstats.srvlocks,
 943                     ext_nfsstats.srvdelegates);
 944                 if (printtitle) {
 945                         printf("Server Cache Stats:\n");
 946                         printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
 947                             "Inprog", "Idem", "Non-idem", "Misses",
 948                             "CacheSize", "TCPPeak");
 949                 }
 950                 printf("%9d %9d %9d %9d %9d %9d\n",
 951                     ext_nfsstats.srvcache_inproghits,
 952                     ext_nfsstats.srvcache_idemdonehits,
 953                     ext_nfsstats.srvcache_nonidemdonehits,
 954                     ext_nfsstats.srvcache_misses,
 955                     ext_nfsstats.srvcache_size,
 956                     ext_nfsstats.srvcache_tcppeak);
 957         }
 958 }
 959
 960 /*
 961  * Print a running summary of nfs statistics for the experimental client and/or
 962  * server.
 963  * Repeat display every interval seconds, showing statistics
 964  * collected over that interval.  Assumes that interval is non-zero.
 965  * First line printed at top of screen is always cumulative.
 966  */
 967 void
 968 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
 969 {
 970         struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
 971         int hdrcnt = 1;
 972
 973         ext_nfsstatsp = &lastst;
 974         if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 975                 err(1, "Can't get stats");
 976         sleep(interval);
 977
 978         for (;;) {
 979                 ext_nfsstatsp = &nfsstats;
 980                 if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
 981                         err(1, "Can't get stats");
 982
 983                 if (--hdrcnt == 0) {
 984                         printhdr(clientOnly, serverOnly);
 985                         if (clientOnly && serverOnly)
 986                                 hdrcnt = 10;
 987                         else
 988                                 hdrcnt = 20;
 989                 }
 990                 if (clientOnly) {
 991                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
 992                         ((clientOnly && serverOnly) ? "Client:" : ""),
 993                         DELTA(attrcache_hits) + DELTA(attrcache_misses),
 994                         DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
 995                         DELTA(biocache_readlinks),
 996                         DELTA(biocache_reads),
 997                         DELTA(biocache_writes),
 998                         nfsstats.rpccnt[NFSPROC_RENAME] -
 999                         lastst.rpccnt[NFSPROC_RENAME],
1000                         DELTA(accesscache_hits) + DELTA(accesscache_misses),
1001                         DELTA(biocache_readdirs)
1002                     );
1003                     if (widemode) {
1004                             printf(" %s %s %s %s %s %s",
1005                                 sperc1(DELTA(attrcache_hits),
1006                                     DELTA(attrcache_misses)),
1007                                 sperc1(DELTA(lookupcache_hits),
1008                                     DELTA(lookupcache_misses)),
1009                                 sperc2(DELTA(biocache_reads),
1010                                     DELTA(read_bios)),
1011                                 sperc2(DELTA(biocache_writes),
1012                                     DELTA(write_bios)),
1013                                 sperc1(DELTA(accesscache_hits),
1014                                     DELTA(accesscache_misses)),
1015                                 sperc2(DELTA(biocache_readdirs),
1016                                     DELTA(readdir_bios))
1017                             );
1018                     }
1019                     printf("\n");
1020                     lastst = nfsstats;
1021                 }
1022                 if (serverOnly) {
1023                     printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
1024                         ((clientOnly && serverOnly) ? "Server:" : ""),
1025                         nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
1026                         lastst.srvrpccnt[NFSV4OP_GETATTR],
1027                         nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
1028                         lastst.srvrpccnt[NFSV4OP_LOOKUP],
1029                         nfsstats.srvrpccnt[NFSV4OP_READLINK] -
1030                         lastst.srvrpccnt[NFSV4OP_READLINK],
1031                         nfsstats.srvrpccnt[NFSV4OP_READ] -
1032                         lastst.srvrpccnt[NFSV4OP_READ],
1033                         nfsstats.srvrpccnt[NFSV4OP_WRITE] -
1034                         lastst.srvrpccnt[NFSV4OP_WRITE],
1035                         nfsstats.srvrpccnt[NFSV4OP_RENAME] -
1036                         lastst.srvrpccnt[NFSV4OP_RENAME],
1037                         nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
1038                         lastst.srvrpccnt[NFSV4OP_ACCESS],
1039                         (nfsstats.srvrpccnt[NFSV4OP_READDIR] -
1040                          lastst.srvrpccnt[NFSV4OP_READDIR]) +
1041                         (nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
1042                          lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
1043                     printf("\n");
1044                     lastst = nfsstats;
1045                 }
1046                 fflush(stdout);
1047                 sleep(interval);
1048         }
1049         /*NOTREACHED*/
1050 }
1051