]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - usr.bin/nfsstat/nfsstat.c
MFV r358616:
[FreeBSD/FreeBSD.git] / usr.bin / nfsstat / nfsstat.c
1 /*
2  * Copyright (c) 1983, 1989, 1993
3  *      The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. 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  * Copyright (c) 2004, 2008, 2009 Silicon Graphics International Corp.
34  * All rights reserved.
35  *
36  * Redistribution and use in source and binary forms, with or without
37  * modification, are permitted provided that the following conditions
38  * are met:
39  * 1. Redistributions of source code must retain the above copyright
40  *    notice, this list of conditions, and the following disclaimer,
41  *    without modification.
42  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
43  *    substantially similar to the "NO WARRANTY" disclaimer below
44  *    ("Disclaimer") and any redistribution must be conditioned upon
45  *    including a substantially similar Disclaimer requirement for further
46  *    binary redistribution.
47  *
48  * NO WARRANTY
49  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
50  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
51  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
52  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
53  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
57  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
58  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59  * POSSIBILITY OF SUCH DAMAGES.
60  */
61
62
63 #ifndef lint
64 static const char copyright[] =
65 "@(#) Copyright (c) 1983, 1989, 1993\n\
66         The Regents of the University of California.  All rights reserved.\n";
67 #endif /* not lint */
68
69 #ifndef lint
70 #if 0
71 static char sccsid[] = "@(#)nfsstat.c   8.2 (Berkeley) 3/31/95";
72 #endif
73 static const char rcsid[] =
74   "$FreeBSD$";
75 #endif /* not lint */
76
77 #include <sys/param.h>
78 #include <sys/module.h>
79 #include <sys/mount.h>
80 #include <sys/time.h>
81 #include <sys/sysctl.h>
82 #include <nfs/nfssvc.h>
83
84 #include <fs/nfs/nfsproto.h>
85 #include <fs/nfs/nfsport.h>
86
87 #include <signal.h>
88 #include <fcntl.h>
89 #include <ctype.h>
90 #include <errno.h>
91 #include <limits.h>
92 #include <nlist.h>
93 #include <unistd.h>
94 #include <stdio.h>
95 #include <stdint.h>
96 #include <stdlib.h>
97 #include <string.h>
98 #include <paths.h>
99 #include <devstat.h>
100 #include <err.h>
101
102 #include <libxo/xo.h>
103
104 static int widemode = 0;
105 static int zflag = 0;
106 static int printtitle = 1;
107 static struct nfsstatsv1 ext_nfsstats;
108 static int extra_output = 0;
109
110 static void intpr(int, int);
111 static void printhdr(int, int, int);
112 static void usage(void);
113 static char *sperc1(int, int);
114 static char *sperc2(int, int);
115 static void exp_intpr(int, int, int);
116 static void exp_sidewaysintpr(u_int, int, int, int);
117 static void compute_new_stats(struct nfsstatsv1 *cur_stats,
118     struct nfsstatsv1 *prev_stats, int curop, long double etime,
119     long double *mbsec, long double *kb_per_transfer,
120     long double *transfers_per_second, long double *ms_per_transfer,
121     uint64_t *queue_len, long double *busy_pct);
122
123 #define DELTA(field)    (nfsstats.field - lastst.field)
124
125 #define STAT_TYPE_READ          0
126 #define STAT_TYPE_WRITE         1
127 #define STAT_TYPE_COMMIT        2
128 #define NUM_STAT_TYPES          3
129
130 struct stattypes {
131         int stat_type;
132         int nfs_type;
133 };
134 static struct stattypes statstruct[] = {
135         {STAT_TYPE_READ, NFSV4OP_READ},
136         {STAT_TYPE_WRITE, NFSV4OP_WRITE},
137         {STAT_TYPE_COMMIT, NFSV4OP_COMMIT}
138 };
139
140 #define STAT_TYPE_TO_NFS(stat_type)     statstruct[stat_type].nfs_type
141
142 #define NFSSTAT_XO_VERSION      "1"
143
144 int
145 main(int argc, char **argv)
146 {
147         u_int interval;
148         int clientOnly = -1;
149         int serverOnly = -1;
150         int newStats = 0;
151         int ch;
152         int mntlen, i;
153         char buf[1024];
154         struct statfs *mntbuf;
155         struct nfscl_dumpmntopts dumpmntopts;
156
157         interval = 0;
158
159         argc = xo_parse_args(argc, argv);
160         if (argc < 0)
161                 exit(1);
162
163         xo_set_version(NFSSTAT_XO_VERSION);
164
165         while ((ch = getopt(argc, argv, "cdEesWM:mN:w:zq")) != -1)
166                 switch(ch) {
167                 case 'M':
168                         printf("*** -M option deprecated, ignored\n\n");
169                         break;
170                 case 'm':
171                         /* Display mount options for NFS mount points. */
172                         mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
173                         for (i = 0; i < mntlen; i++) {
174                                 if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
175                                         dumpmntopts.ndmnt_fname =
176                                             mntbuf->f_mntonname;
177                                         dumpmntopts.ndmnt_buf = buf;
178                                         dumpmntopts.ndmnt_blen = sizeof(buf);
179                                         if (nfssvc(NFSSVC_DUMPMNTOPTS,
180                                             &dumpmntopts) >= 0)
181                                                 printf("%s on %s\n%s\n",
182                                                     mntbuf->f_mntfromname,
183                                                     mntbuf->f_mntonname, buf);
184                                         else if (errno == EPERM)
185                                                 errx(1, "Only priviledged users"
186                                                     " can use the -m option");
187                                 }
188                                 mntbuf++;
189                         }
190                         exit(0);
191                 case 'N':
192                         printf("*** -N option deprecated, ignored\n\n");
193                         break;
194                 case 'W':
195                         widemode = 1;
196                         break;
197                 case 'w':
198                         interval = atoi(optarg);
199                         break;
200                 case 'c':
201                         clientOnly = 1;
202                         if (serverOnly < 0)
203                                 serverOnly = 0;
204                         break;
205                 case 'd':
206                         newStats = 1;
207                         if (interval == 0)
208                                 interval = 1;
209                         break;
210                 case 's':
211                         serverOnly = 1;
212                         if (clientOnly < 0)
213                                 clientOnly = 0;
214                         break;
215                 case 'z':
216                         zflag = 1;
217                         break;
218                 case 'E':
219                         if (extra_output != 0)
220                                 xo_err(1, "-e and -E are mutually exclusive");
221                         extra_output = 2;
222                         break;
223                 case 'e':
224                         if (extra_output != 0)
225                                 xo_err(1, "-e and -E are mutually exclusive");
226                         extra_output = 1;
227                         break;
228                 case 'q':
229                         printtitle = 0;
230                         break;
231                 case '?':
232                 default:
233                         usage();
234                 }
235         argc -= optind;
236         argv += optind;
237
238 #define BACKWARD_COMPATIBILITY
239 #ifdef  BACKWARD_COMPATIBILITY
240         if (*argv)
241                 interval = atoi(*argv);
242 #endif
243         if (modfind("nfscommon") < 0)
244                 xo_err(1, "NFS client/server not loaded");
245
246         if (interval) {
247                 exp_sidewaysintpr(interval, clientOnly, serverOnly,
248                     newStats);
249         } else {
250                 xo_open_container("nfsstat");
251                 if (extra_output != 0)
252                         exp_intpr(clientOnly, serverOnly, extra_output - 1);
253                 else
254                         intpr(clientOnly, serverOnly);
255                 xo_close_container("nfsstat");
256         }
257
258         xo_finish();
259         exit(0);
260 }
261
262 /*
263  * Print a description of the nfs stats.
264  */
265 static void
266 intpr(int clientOnly, int serverOnly)
267 {
268         int nfssvc_flag;
269
270         nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
271         if (zflag != 0) {
272                 if (clientOnly != 0)
273                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
274                 if (serverOnly != 0)
275                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
276         }
277         ext_nfsstats.vers = NFSSTATS_V1;
278         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
279                 xo_err(1, "Can't get stats");
280         if (clientOnly) {
281                 xo_open_container("clientstats");
282
283                 if (printtitle)
284                         xo_emit("{T:Client Info:\n");
285
286                 xo_open_container("operations");
287                 xo_emit("{T:Rpc Counts:}\n");
288
289                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
290                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
291                     "{T:Read/%13.13s}{T:Write/%13.13s}"
292                   "{T:Create/%13.13s}{T:Remove/%13.13s}\n");
293                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
294                     "{:lookup/%13ju}{:readlink/%13ju}"
295                     "{:read/%13ju}{:write/%13ju}"
296                     "{:create/%13ju}{:remove/%13ju}\n",
297                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
298                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
299                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
300                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
301                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
302                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE],
303                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
304                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
305
306                 xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
307                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
308                     "{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
309                   "{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
310                 xo_emit("{:rename/%13ju}{:link/%13ju}"
311                     "{:symlink/%13ju}{:mkdir/%13ju}"
312                     "{:rmdir/%13ju}{:readdir/%13ju}"
313                     "{:rdirplus/%13ju}{:access/%13ju}\n",
314                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
315                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
316                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
317                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR],
318                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
319                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
320                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
321                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
322
323                 xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
324                     "{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
325                     "{T:Commit/%13.13s}\n");
326                 xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
327                     "{:fsinfo/%13ju}{:pathconf/%13ju}"
328                     "{:commit/%13ju}\n",
329                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
330                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
331                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
332                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
333                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
334
335                 xo_close_container("operations");
336
337                 xo_open_container("rpcs");
338                 xo_emit("{T:Rpc Info:}\n");
339
340                 xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
341                     "{T:X Replies/%13.13s}{T:Retries/%13.13s}"
342                     "{T:Requests/%13.13s}\n");
343                 xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
344                     "{:xreplies/%13ju}{:retries/%13ju}"
345                     "{:requests/%13ju}\n",
346                         (uintmax_t)ext_nfsstats.rpctimeouts,
347                         (uintmax_t)ext_nfsstats.rpcinvalid,
348                         (uintmax_t)ext_nfsstats.rpcunexpected,
349                         (uintmax_t)ext_nfsstats.rpcretries,
350                         (uintmax_t)ext_nfsstats.rpcrequests);
351                 xo_close_container("rpcs");
352
353                 xo_open_container("cache");
354                 xo_emit("{T:Cache Info:}\n");
355
356                 xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
357                     "{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}"
358                     "{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
359                     "{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
360                 xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
361                     "{:lkuphits/%13ju}{:lkupmisses/%13ju}"
362                     "{:biorhits/%13ju}{:biormisses/%13ju}"
363                     "{:biowhits/%13ju}{:biowmisses/%13ju}\n",
364                     (uintmax_t)ext_nfsstats.attrcache_hits,
365                     (uintmax_t)ext_nfsstats.attrcache_misses,
366                     (uintmax_t)ext_nfsstats.lookupcache_hits,
367                     (uintmax_t)ext_nfsstats.lookupcache_misses,
368                     (uintmax_t)(ext_nfsstats.biocache_reads -
369                     ext_nfsstats.read_bios),
370                     (uintmax_t)ext_nfsstats.read_bios,
371                     (uintmax_t)(ext_nfsstats.biocache_writes -
372                     ext_nfsstats.write_bios),
373                     (uintmax_t)ext_nfsstats.write_bios);
374
375                 xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
376                     "{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}"
377                     "{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}"
378                     "{T:Accs Hits/%13.13s}{T:Accs Misses/%13.13s}\n");
379                 xo_emit("{:biosrlhits/%13ju}{:biorlmisses/%13ju}"
380                     "{:biodhits/%13ju}{:biodmisses/%13ju}"
381                     "{:direhits/%13ju}{:diremisses/%13ju}"
382                     "{:accshits/%13ju}{:accsmisses/%13ju}\n",
383                     (uintmax_t)(ext_nfsstats.biocache_readlinks -
384                     ext_nfsstats.readlink_bios),
385                     (uintmax_t)ext_nfsstats.readlink_bios,
386                     (uintmax_t)(ext_nfsstats.biocache_readdirs -
387                     ext_nfsstats.readdir_bios),
388                     (uintmax_t)ext_nfsstats.readdir_bios,
389                     (uintmax_t)ext_nfsstats.direofcache_hits,
390                     (uintmax_t)ext_nfsstats.direofcache_misses,
391                     (uintmax_t)ext_nfsstats.accesscache_hits,
392                     (uintmax_t)ext_nfsstats.accesscache_misses);
393
394                 xo_close_container("cache");
395
396                 xo_close_container("clientstats");
397         }
398         if (serverOnly) {
399                 xo_open_container("serverstats");
400
401                 xo_emit("{T:Server Info:}\n");
402                 xo_open_container("operations");
403
404                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
405                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
406                     "{T:Read/%13.13s}{T:Write/%13.13s}"
407                     "{T:Create/%13.13s}{T:Remove/%13.13s}\n");
408                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
409                     "{:lookup/%13ju}{:readlink/%13ju}"
410                     "{:read/%13ju}{:write/%13ju}"
411                     "{:create/%13ju}{:remove/%13ju}\n",
412                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
413                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
414                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
415                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
416                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
417                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
418                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
419                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
420
421                 xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
422                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
423                     "{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
424                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
425                 xo_emit("{:rename/%13ju}{:link/%13ju}"
426                     "{:symlink/%13ju}{:mkdir/%13ju}"
427                     "{:rmdir/%13ju}{:readdir/%13ju}"
428                     "{:rdirplus/%13ju}{:access/%13ju}\n",
429                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
430                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
431                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
432                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
433                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
434                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
435                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
436                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
437
438                 xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
439                     "{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
440                     "{T:Commit/%13.13s}\n");
441                 xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
442                     "{:fsinfo/%13ju}{:pathconf/%13ju}"
443                     "{:commit/%13ju}\n",
444                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
445                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
446                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
447                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
448                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
449
450                 xo_close_container("operations");
451
452                 xo_open_container("server");
453                 xo_emit("{T:Server Re-Failed}\n");
454                 xo_emit("{:retfailed/%16ju}\n", (uintmax_t)ext_nfsstats.srvrpc_errs);
455
456                 xo_emit("{T:Server Faults}\n");
457                 xo_emit("{:faults/%13ju}\n", (uintmax_t)ext_nfsstats.srv_errs);
458
459                 xo_emit("{T:Server Write Gathering:/%13.13s}\n");
460
461                 xo_emit("{T:WriteOps/%13.13s}{T:WriteRPC/%13.13s}"
462                     "{T:Opsaved/%13.13s}\n");
463                 xo_emit("{:writeops/%13ju}{:writerpc/%13ju}"
464                     "{:opsaved/%13ju}\n",
465                 /*
466                  * The new client doesn't do write gathering. It was
467                  * only useful for NFSv2.
468                  */
469                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
470                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
471
472                 xo_close_container("server");
473
474                 xo_open_container("cache");
475                 xo_emit("{T:Server Cache Stats:/%13.13s}\n");
476                 xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
477                     "{T:Non-Idem/%13.13s}{T:Misses/%13.13s}\n");
478                 xo_emit("{:inprog/%13ju}{:idem/%13ju}"
479                     "{:nonidem/%13ju}{:misses/%13ju}\n",
480                         (uintmax_t)ext_nfsstats.srvcache_inproghits,
481                         (uintmax_t)ext_nfsstats.srvcache_idemdonehits,
482                         (uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
483                         (uintmax_t)ext_nfsstats.srvcache_misses);
484                 xo_close_container("cache");
485
486                 xo_close_container("serverstats");
487         }
488 }
489
490 static void
491 printhdr(int clientOnly, int serverOnly, int newStats)
492 {
493
494         if (newStats) {
495                 printf(" [%s Read %s]  [%s Write %s]  "
496                     "%s[=========== Total ============]\n"
497                     " KB/t   tps    MB/s%s  KB/t   tps    MB/s%s  "
498                     "%sKB/t   tps    MB/s    ms  ql  %%b",
499                     widemode ? "========" : "=====",
500                     widemode ? "========" : "=====",
501                     widemode ? "========" : "=====",
502                     widemode ? "======="  : "====",
503                     widemode ? "[Commit ]  " : "",
504                     widemode ? "    ms" : "",
505                     widemode ? "    ms" : "",
506                     widemode ? "tps    ms  " : "");
507         } else {
508                 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
509                     ((serverOnly && clientOnly) ? "        " : " "),
510                     "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
511                     "Access", "Rddir");
512                 if (widemode && clientOnly) {
513                         printf(" Attr Lkup BioR BioW Accs BioD");
514                 }
515         }
516         printf("\n");
517         fflush(stdout);
518 }
519
520 static void
521 usage(void)
522 {
523         (void)fprintf(stderr,
524             "usage: nfsstat [-cdemszW] [-w wait]\n");
525         exit(1);
526 }
527
528 static char SPBuf[64][8];
529 static int SPIndex;
530
531 static char * 
532 sperc1(int hits, int misses)
533 {
534         char *p = SPBuf[SPIndex];
535
536         if (hits + misses) {
537                 sprintf(p, "%3d%%", 
538                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
539         } else {
540                 sprintf(p, "   -");
541         }
542         SPIndex = (SPIndex + 1) & 63;
543         return(p);
544 }
545
546 static char * 
547 sperc2(int ttl, int misses)
548 {
549         char *p = SPBuf[SPIndex];
550
551         if (ttl) {
552                 sprintf(p, "%3d%%",
553                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
554         } else {
555                 sprintf(p, "   -");
556         }
557         SPIndex = (SPIndex + 1) & 63;
558         return(p);
559 }
560
561 #define DELTA_T(field)                                  \
562         devstat_compute_etime(&cur_stats->field,        \
563         (prev_stats ? &prev_stats->field : NULL))
564
565 /*
566  * XXX KDM mostly copied from ctlstat.  We should commonize the code (and
567  * the devstat code) somehow.
568  */
569 static void
570 compute_new_stats(struct nfsstatsv1 *cur_stats,
571                   struct nfsstatsv1 *prev_stats, int curop,
572                   long double etime, long double *mbsec,
573                   long double *kb_per_transfer,
574                   long double *transfers_per_second,
575                   long double *ms_per_transfer, uint64_t *queue_len,
576                   long double *busy_pct)
577 {
578         uint64_t total_bytes = 0, total_operations = 0;
579         struct bintime total_time_bt;
580         struct timespec total_time_ts;
581
582         bzero(&total_time_bt, sizeof(total_time_bt));
583         bzero(&total_time_ts, sizeof(total_time_ts));
584
585         total_bytes = cur_stats->srvbytes[curop];
586         total_operations = cur_stats->srvops[curop];
587         if (prev_stats != NULL) {
588                 total_bytes -= prev_stats->srvbytes[curop];
589                 total_operations -= prev_stats->srvops[curop];
590         }
591
592         *mbsec = total_bytes;
593         *mbsec /= 1024 * 1024;
594         if (etime > 0.0) {
595                 *busy_pct = DELTA_T(busytime);
596                 if (*busy_pct < 0)
597                         *busy_pct = 0;
598                 *busy_pct /= etime;
599                 *busy_pct *= 100;
600                 if (*busy_pct < 0)
601                         *busy_pct = 0;
602                 *mbsec /= etime;
603         } else {
604                 *busy_pct = 0;
605                 *mbsec = 0;
606         }
607         *kb_per_transfer = total_bytes;
608         *kb_per_transfer /= 1024;
609         if (total_operations > 0)
610                 *kb_per_transfer /= total_operations;
611         else
612                 *kb_per_transfer = 0;
613         if (etime > 0.0) {
614                 *transfers_per_second = total_operations;
615                 *transfers_per_second /= etime;
616         } else {
617                 *transfers_per_second = 0.0;
618         }
619                         
620         if (total_operations > 0) {
621                 *ms_per_transfer = DELTA_T(srvduration[curop]);
622                 *ms_per_transfer /= total_operations;
623                 *ms_per_transfer *= 1000;
624         } else
625                 *ms_per_transfer = 0.0;
626
627         *queue_len = cur_stats->srvstartcnt - cur_stats->srvdonecnt;
628 }
629
630 /*
631  * Print a description of the nfs stats for the client/server,
632  * including NFSv4.1.
633  */
634 static void
635 exp_intpr(int clientOnly, int serverOnly, int nfs41)
636 {
637         int nfssvc_flag;
638
639         xo_open_container("nfsv4");
640
641         nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
642         if (zflag != 0) {
643                 if (clientOnly != 0)
644                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
645                 if (serverOnly != 0)
646                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
647         }
648         ext_nfsstats.vers = NFSSTATS_V1;
649         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
650                 xo_err(1, "Can't get stats");
651         if (clientOnly != 0) {
652                 xo_open_container("clientstats");
653
654                 xo_open_container("operations");
655                 if (printtitle) {
656                         xo_emit("{T:Client Info:}\n");
657                         xo_emit("{T:RPC Counts:}\n");
658                 }
659                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
660                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
661                     "{T:Read/%13.13s}{T:Write/%13.13s}\n");
662                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
663                     "{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
664                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
665                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
666                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
667                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
668                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
669                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE]);
670                 xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
671                     "{T:Rename/%13.13s}{T:Link/%13.13s}"
672                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
673                 xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
674                   "{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
675                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
676                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE],
677                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
678                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
679                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
680                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR]);
681                 xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
682                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
683                     "{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
684                 xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
685                     "{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
686                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
687                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
688                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
689                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS],
690                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
691                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT]);
692                 xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
693                     "{T:Commit/%13.13s}{T:SetClId/%13.13s}"
694                     "{T:SetClIdCf/%13.13s}{T:Lock/%13.13s}\n");
695                 xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
696                     "{:setclientid/%13ju}{:setclientidcf/%13ju}{:lock/%13ju}\n",
697                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
698                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
699                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT],
700                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
701                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
702                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCK]);
703                 xo_emit("{T:LockT/%13.13s}{T:LockU/%13.13s}"
704                     "{T:Open/%13.13s}{T:OpenCfr/%13.13s}\n");
705                 xo_emit("{:lockt/%13ju}{:locku/%13ju}"
706                     "{:open/%13ju}{:opencfr/%13ju}\n",
707                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKT],
708                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKU],
709                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPEN],
710                   (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
711
712                 if (nfs41) {
713                         xo_open_container("nfsv41");
714
715                         xo_emit("{T:OpenDownGr/%13.13s}{T:Close/%13.13s}\n");
716                         xo_emit("{:opendowngr/%13ju}{:close/%13ju}\n",
717                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENDOWNGRADE],
718                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CLOSE]);
719
720                         xo_emit("{T:RelLckOwn/%13.13s}{T:FreeStateID/%13.13s}"
721                             "{T:PutRootFH/%13.13s}{T:DelegRet/%13.13s}"
722                             "{T:GetAcl/%13.13s}{T:SetAcl/%13.13s}\n");
723                         xo_emit("{:rellckown/%13ju}{:freestateid/%13ju}"
724                             "{:getacl/%13ju}{:delegret/%13ju}"
725                             "{:getacl/%13ju}{:setacl/%13ju}\n",
726                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RELEASELCKOWN],
727                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FREESTATEID],
728                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PUTROOTFH],
729                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DELEGRETURN],
730                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETACL],
731                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETACL]);
732
733                         xo_emit("{T:ExchangeId/%13.13s}{T:CreateSess/%13.13s}"
734                             "{T:DestroySess/%13.13s}{T:DestroyClId/%13.13s}"
735                             "{T:LayoutGet/%13.13s}{T:GetDevInfo/%13.13s}\n");
736                         xo_emit("{:exchangeid/%13ju}{:createsess/%13ju}"
737                             "{:destroysess/%13ju}{:destroyclid/%13ju}"
738                             "{:layoutget/%13ju}{:getdevinfo/%13ju}\n",
739                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_EXCHANGEID],
740                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATESESSION],
741                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYSESSION],
742                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYCLIENT],
743                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTGET],
744                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETDEVICEINFO]);
745
746                         xo_emit("{T:LayoutCommit/%13.13s}{T:LayoutReturn/%13.13s}"
747                             "{T:ReclaimCompl/%13.13s}{T:ReadDataS/%13.13s}"
748                             "{T:WriteDataS/%13.13s}{T:CommitDataS/%13.13s}\n");
749                         xo_emit("{:layoutcomit/%13ju}{:layoutreturn/%13ju}"
750                             "{:reclaimcompl/%13ju}{:readdatas/%13ju}"
751                             "{:writedatas/%13ju}{:commitdatas/%13ju}\n",
752                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTCOMMIT],
753                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTRETURN],
754                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RECLAIMCOMPL],
755                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDS],
756                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITEDS],
757                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMITDS]);
758
759                         xo_emit("{T:OpenLayout/%13.13s}{T:CreateLayout/%13.13s}\n");
760                         xo_emit("{:openlayout/%13ju}{:createlayout/%13ju}\n",
761                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENLAYGET],
762                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATELAYGET]);
763
764                         xo_close_container("nfsv41");
765
766                         xo_open_container("nfsv42");
767
768                         xo_emit("{T:IOAdvise/%13.13s}{T:Allocate/%13.13s}"
769                             "{T:Copy/%13.13s}{T:Seek/%13.13s}"
770                             "{T:SeekDataS/%13.13s}{T:GetExtattr/%13.13s}\n");
771                         xo_emit("{:ioadvise/%13ju}{:allocate/%13ju}"
772                             "{:copy/%13ju}{:seek/%13ju}"
773                             "{:seekdatas/%13ju}{:getextattr/%13ju}\n",
774                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_IOADVISE],
775                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ALLOCATE],
776                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COPY],
777                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SEEK],
778                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SEEKDS],
779                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETEXTATTR]);
780
781                         xo_emit("{T:SetExtattr/%13.13s}{T:RmExtattr/%13.13s}"
782                             "{T:ListExtattr/%13.13s}\n");
783                         xo_emit("{:setextattr/%13ju}{:rmextattr/%13ju}"
784                             "{:listextattr/%13ju}\n",
785                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETEXTATTR],
786                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMEXTATTR],
787                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LISTEXTATTR]);
788
789                         xo_close_container("nfsv42");
790                 }
791                 xo_close_container("operations");
792
793                 xo_open_container("client");
794                 xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
795                     "{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
796                     "{T:Delegs/%13.13s}{T:LocalOwn/%13.13s}\n");
797                 xo_emit("{:openowner/%13ju}{:opens/%13ju}"
798                     "{:lockowner/%13ju}{:locks/%13ju}"
799                     "{:delegs/%13ju}{:localown/%13ju}\n",
800                     (uintmax_t)ext_nfsstats.clopenowners,
801                     (uintmax_t)ext_nfsstats.clopens,
802                     (uintmax_t)ext_nfsstats.cllockowners,
803                     (uintmax_t)ext_nfsstats.cllocks,
804                     (uintmax_t)ext_nfsstats.cldelegates,
805                     (uintmax_t)ext_nfsstats.cllocalopenowners);
806
807                 xo_emit("{T:LocalOpen/%13.13s}{T:LocalLown/%13.13s}"
808                     "{T:LocalLock/%13.13s}\n");
809                 xo_emit("{:localopen/%13ju}{:locallown/%13ju}"
810                     "{:locallock/%13ju}\n",
811                     (uintmax_t)ext_nfsstats.cllocalopens,
812                     (uintmax_t)ext_nfsstats.cllocallockowners,
813                     (uintmax_t)ext_nfsstats.cllocallocks);
814                 xo_close_container("client");
815
816                 xo_open_container("rpc");
817                 if (printtitle)
818                         xo_emit("{T:Rpc Info:}\n");
819                 xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
820                     "{T:X Replies/%13.13s}{T:Retries/%13.13s}"
821                     "{T:Requests/%13.13s}\n");
822                 xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
823                     "{:xreplies/%13ju}{:retries/%13ju}"
824                     "{:requests/%13ju}\n",
825                     (uintmax_t)ext_nfsstats.rpctimeouts,
826                     (uintmax_t)ext_nfsstats.rpcinvalid,
827                     (uintmax_t)ext_nfsstats.rpcunexpected,
828                     (uintmax_t)ext_nfsstats.rpcretries,
829                     (uintmax_t)ext_nfsstats.rpcrequests);
830                 xo_close_container("rpc");
831
832                 xo_open_container("cache");
833                 if (printtitle)
834                         xo_emit("{T:Cache Info:}\n");
835                 xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
836                     "{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}\n");
837                 xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
838                     "{:lkuphits/%13ju}{:lkupmisses/%13ju}\n",
839                     (uintmax_t)ext_nfsstats.attrcache_hits,
840                     (uintmax_t)ext_nfsstats.attrcache_misses,
841                     (uintmax_t)ext_nfsstats.lookupcache_hits,
842                     (uintmax_t)ext_nfsstats.lookupcache_misses);
843
844                 xo_emit("{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
845                     "{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
846                 xo_emit("{:biorhits/%13ju}{:biormisses/%13ju}"
847                     "{:biowhits/%13ju}{:biowmisses/%13ju}\n",
848                     (uintmax_t)(ext_nfsstats.biocache_reads -
849                     ext_nfsstats.read_bios),
850                     (uintmax_t)ext_nfsstats.read_bios,
851                     (uintmax_t)(ext_nfsstats.biocache_writes -
852                     ext_nfsstats.write_bios),
853                     (uintmax_t)ext_nfsstats.write_bios);
854
855                 xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
856                     "{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}\n");
857                 xo_emit("{:biorlhits/%13ju}{:biorlmisses/%13ju}"
858                     "{:biodhits/%13ju}{:biodmisses/%13ju}\n",
859                     (uintmax_t)(ext_nfsstats.biocache_readlinks -
860                     ext_nfsstats.readlink_bios),
861                     (uintmax_t)ext_nfsstats.readlink_bios,
862                     (uintmax_t)(ext_nfsstats.biocache_readdirs -
863                     ext_nfsstats.readdir_bios),
864                     (uintmax_t)ext_nfsstats.readdir_bios);
865
866                 xo_emit("{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}\n");
867                 xo_emit("{:direhits/%13ju}{:diremisses/%13ju}\n",
868                     (uintmax_t)ext_nfsstats.direofcache_hits,
869                     (uintmax_t)ext_nfsstats.direofcache_misses);
870                 xo_open_container("cache");
871
872                 xo_close_container("clientstats");
873         }
874         if (serverOnly != 0) {
875                 xo_open_container("serverstats");
876
877                 xo_open_container("operations");
878                 if (printtitle)
879                         xo_emit("{T:Server Info:}\n");
880                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
881                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
882                     "{T:Read/%13.13s}{T:Write/%13.13s}\n");
883                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
884                     "{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
885                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
886                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
887                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
888                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
889                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
890                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE]);
891                 xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
892                     "{T:Rename/%13.13s}{T:Link/%13.13s}"
893                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
894                 xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
895                     "{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
896                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
897                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE],
898                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
899                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
900                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
901                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR]);
902                 xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
903                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
904                     "{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
905                 xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
906                     "{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
907                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
908                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
909                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
910                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS],
911                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
912                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT]);
913                 xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
914                     "{T:Commit/%13.13s}{T:LookupP/%13.13s}"
915                     "{T:SetClId/%13.13s}{T:SetClIdCf/%13.13s}\n");
916                 xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
917                     "{:lookupp/%13ju}{:setclientid/%13ju}{:setclientidcfrm/%13ju}\n",
918                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
919                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
920                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
921                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
922                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
923                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
924                 xo_emit("{T:Open/%13.13s}{T:OpenAttr/%13.13s}"
925                     "{T:OpenDwnGr/%13.13s}{T:OpenCfrm/%13.13s}"
926                     "{T:DelePurge/%13.13s}{T:DelRet/%13.13s}\n");
927                 xo_emit("{:open/%13ju}{:openattr/%13ju}{:opendwgr/%13ju}"
928                     "{:opencfrm/%13ju}{:delepurge/%13ju}{:delreg/%13ju}\n",
929                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
930                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
931                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
932                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
933                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
934                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN]);
935                 xo_emit("{T:GetFH/%13.13s}{T:Lock/%13.13s}"
936                     "{T:LockT/%13.13s}{T:LockU/%13.13s}"
937                     "{T:Close/%13.13s}{T:Verify/%13.13s}\n");
938                 xo_emit("{:getfh/%13ju}{:lock/%13ju}{:lockt/%13ju}"
939                     "{:locku/%13ju}{:close/%13ju}{:verify/%13ju}\n",
940                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
941                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCK],
942                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
943                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
944                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
945                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY]);
946                 xo_emit("{T:NVerify/%13.13s}{T:PutFH/%13.13s}"
947                     "{T:PutPubFH/%13.13s}{T:PutRootFH/%13.13s}"
948                     "{T:Renew/%13.13s}{T:RestoreFH/%13.13s}\n");
949                 xo_emit("{:nverify/%13ju}{:putfh/%13ju}{:putpubfh/%13ju}"
950                     "{:putrootfh/%13ju}{:renew/%13ju}{:restore/%13ju}\n",
951                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
952                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
953                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
954                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH],
955                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
956                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH]);
957                 xo_emit("{T:SaveFH/%13.13s}{T:Secinfo/%13.13s}"
958                     "{T:RelLockOwn/%13.13s}{T:V4Create/%13.13s}\n");
959                 xo_emit("{:savefh/%13ju}{:secinfo/%13ju}{:rellockown/%13ju}"
960                     "{:v4create/%13ju}\n",
961                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
962                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
963                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
964                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
965                 if (nfs41) {
966                         xo_open_container("nfsv41");
967                         xo_emit("{T:BackChannelCtrl/%13.13s}{T:BindConnToSess/%13.13s}"
968                             "{T:ExchangeID/%13.13s}{T:CreateSess/%13.13s}"
969                             "{T:DestroySess/%13.13s}{T:FreeStateID/%13.13s}\n");
970                         xo_emit("{:backchannelctrl/%13ju}{:bindconntosess/%13ju}"
971                             "{:exchangeid/%13ju}{:createsess/%13ju}"
972                             "{:destroysess/%13ju}{:freestateid/%13ju}\n",
973                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BACKCHANNELCTL],
974                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BINDCONNTOSESS],
975                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_EXCHANGEID],
976                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATESESSION],
977                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYSESSION],
978                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FREESTATEID]),
979
980                         xo_emit("{T:GetDirDeleg/%13.13s}{T:GetDevInfo/%13.13s}"
981                             "{T:GetDevList/%13.13s}{T:layoutCommit/%13.13s}"
982                             "{T:LayoutGet/%13.13s}{T:LayoutReturn/%13.13s}\n");
983                         xo_emit("{:getdirdeleg/%13ju}{:getdevinfo/%13ju}"
984                             "{:getdevlist/%13ju}{:layoutcommit/%13ju}"
985                             "{:layoutget/%13ju}{:layoutreturn/%13ju}\n",
986                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDIRDELEG],
987                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVINFO],
988                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVLIST],
989                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTCOMMIT],
990                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTGET],
991                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTRETURN]);
992
993                         xo_emit("{T:SecInfNoName/%13.13s}{T:Sequence/%13.13s}"
994                             "{T:SetSSV/%13.13s}{T:TestStateID/%13.13s}"
995                             "{T:WantDeleg/%13.13s}{T:DestroyClId/%13.13s}\n");
996                         xo_emit("{:secinfnoname/%13ju}{:sequence/%13ju}"
997                             "{:setssv/%13ju}{:teststateid/%13ju}{:wantdeleg/%13ju}"
998                             "{:destroyclid/%13ju}\n",
999                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFONONAME],
1000                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SEQUENCE],
1001                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETSSV],
1002                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_TESTSTATEID],
1003                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WANTDELEG],
1004                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYCLIENTID]);
1005
1006                         xo_emit("{T:ReclaimCompl/%13.13s}\n");
1007                         xo_emit("{:reclaimcompl/%13ju}\n",
1008                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RECLAIMCOMPL]);
1009
1010                         xo_close_container("nfsv41");
1011
1012                         xo_open_container("nfsv42");
1013
1014                         xo_emit("{T:Allocate/%13.13s}{T:Copy/%13.13s}"
1015                             "{T:CopyNotify/%13.13s}{T:Deallocate/%13.13s}"
1016                             "{T:IOAdvise/%13.13s}{T:LayoutError/%13.13s}\n");
1017                         xo_emit("{:allocate/%13ju}{:copy/%13ju}"
1018                             "{:copynotify/%13ju}{:deallocate/%13ju}"
1019                             "{:ioadvise/%13ju}{:layouterror/%13ju}\n",
1020                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ALLOCATE],
1021                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COPY],
1022                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COPYNOTIFY],
1023                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DEALLOCATE],
1024                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_IOADVISE],
1025                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTERROR]);
1026
1027                         xo_emit("{T:LayoutStats/%13.13s}{T:OffloadCncl/%13.13s}"
1028                             "{T:OffloadStat/%13.13s}{T:ReadPlus/%13.13s}"
1029                             "{T:Seek/%13.13s}{T:WriteSame/%13.13s}\n");
1030                         xo_emit("{:layoutstats/%13ju}{:offloadcncl/%13ju}"
1031                             "{:offloadstat/%13ju}{:readplus/%13ju}"
1032                             "{:seek/%13ju}{:writesame/%13ju}\n",
1033                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTSTATS],
1034                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OFFLOADCANCEL],
1035                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OFFLOADSTATUS],
1036                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READPLUS],
1037                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SEEK],
1038                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITESAME]);
1039
1040                         xo_emit("{T:Clone/%13.13s}{T:GetExtattr/%13.13s}"
1041                             "{T:SetExtattr/%13.13s}{T:ListExtattr/%13.13s}"
1042                             "{T:RmExtattr/%13.13s}\n");
1043                         xo_emit("{:clone/%13ju}{:getextattr/%13ju}"
1044                             "{:setextattr/%13ju}{:listextattr/%13ju}"
1045                             "{:rmextattr/%13ju}\n",
1046                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CLONE],
1047                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETXATTR],
1048                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETXATTR],
1049                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LISTXATTRS],
1050                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVEXATTR]);
1051
1052                         xo_close_container("nfsv42");
1053                 }
1054
1055                 xo_close_container("operations");
1056
1057                 if (printtitle)
1058                         xo_emit("{T:Server:}\n");
1059                 xo_open_container("server");
1060                 xo_emit("{T:Retfailed/%13.13s}{T:Faults/%13.13s}"
1061                     "{T:Clients/%13.13s}\n");
1062                 xo_emit("{:retfailed/%13ju}{:faults/%13ju}{:clients/%13ju}\n",
1063                     (uintmax_t)ext_nfsstats.srv_errs,
1064                     (uintmax_t)ext_nfsstats.srvrpc_errs,
1065                     (uintmax_t)ext_nfsstats.srvclients);
1066                 xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
1067                     "{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
1068                     "{T:Delegs/%13.13s}\n");
1069                 xo_emit("{:openowner/%13ju}{:opens/%13ju}{:lockowner/%13ju}"
1070                   "{:locks/%13ju}{:delegs/%13ju}\n",
1071                     (uintmax_t)ext_nfsstats.srvopenowners,
1072                     (uintmax_t)ext_nfsstats.srvopens,
1073                     (uintmax_t)ext_nfsstats.srvlockowners,
1074                     (uintmax_t)ext_nfsstats.srvlocks,
1075                     (uintmax_t)ext_nfsstats.srvdelegates);
1076                 xo_close_container("server");
1077
1078                 if (printtitle)
1079                         xo_emit("{T:Server Cache Stats:}\n");
1080                 xo_open_container("cache");
1081                 xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
1082                     "{T:Non-idem/%13.13s}{T:Misses/%13.13s}"
1083                     "{T:CacheSize/%13.13s}{T:TCPPeak/%13.13s}\n");
1084                 xo_emit("{:inprog/%13ju}{:idem/%13ju}{:nonidem/%13ju}"
1085                     "{:misses/%13ju}{:cachesize/%13ju}{:tcppeak/%13ju}\n",
1086                     (uintmax_t)ext_nfsstats.srvcache_inproghits,
1087                     (uintmax_t)ext_nfsstats.srvcache_idemdonehits,
1088                     (uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
1089                     (uintmax_t)ext_nfsstats.srvcache_misses,
1090                     (uintmax_t)ext_nfsstats.srvcache_size,
1091                     (uintmax_t)ext_nfsstats.srvcache_tcppeak);
1092                 xo_close_container("cache");
1093
1094                 xo_close_container("serverstats");
1095         }
1096
1097         xo_close_container("nfsv4");
1098 }
1099
1100 static void
1101 compute_totals(struct nfsstatsv1 *total_stats, struct nfsstatsv1 *cur_stats)
1102 {
1103         int i;
1104
1105         bzero(total_stats, sizeof(*total_stats));
1106         for (i = 0; i < (NFSV42_NOPS + NFSV4OP_FAKENOPS); i++) {
1107                 total_stats->srvbytes[0] += cur_stats->srvbytes[i];
1108                 total_stats->srvops[0] += cur_stats->srvops[i];
1109                 bintime_add(&total_stats->srvduration[0],
1110                             &cur_stats->srvduration[i]);
1111                 total_stats->srvrpccnt[i] = cur_stats->srvrpccnt[i];
1112         }
1113         total_stats->srvstartcnt = cur_stats->srvstartcnt;
1114         total_stats->srvdonecnt = cur_stats->srvdonecnt;
1115         total_stats->busytime = cur_stats->busytime;
1116
1117 }
1118
1119 /*
1120  * Print a running summary of nfs statistics for the experimental client and/or
1121  * server.
1122  * Repeat display every interval seconds, showing statistics
1123  * collected over that interval.  Assumes that interval is non-zero.
1124  * First line printed at top of screen is always cumulative.
1125  */
1126 static void
1127 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly,
1128     int newStats)
1129 {
1130         struct nfsstatsv1 nfsstats, lastst, *ext_nfsstatsp;
1131         struct nfsstatsv1 curtotal, lasttotal;
1132         struct timespec ts, lastts;
1133         int hdrcnt = 1;
1134
1135         ext_nfsstatsp = &lastst;
1136         ext_nfsstatsp->vers = NFSSTATS_V1;
1137         if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp) < 0)
1138                 err(1, "Can't get stats");
1139         clock_gettime(CLOCK_MONOTONIC, &lastts);
1140         compute_totals(&lasttotal, ext_nfsstatsp);
1141         sleep(interval);
1142
1143         for (;;) {
1144                 ext_nfsstatsp = &nfsstats;
1145                 ext_nfsstatsp->vers = NFSSTATS_V1;
1146                 if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp)
1147                     < 0)
1148                         err(1, "Can't get stats");
1149                 clock_gettime(CLOCK_MONOTONIC, &ts);
1150
1151                 if (--hdrcnt == 0) {
1152                         printhdr(clientOnly, serverOnly, newStats);
1153                         if (newStats)
1154                                 hdrcnt = 20;
1155                         else if (clientOnly && serverOnly)
1156                                 hdrcnt = 10;
1157                         else
1158                                 hdrcnt = 20;
1159                 }
1160                 if (clientOnly && newStats == 0) {
1161                     printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
1162                         ((clientOnly && serverOnly) ? "Client:" : ""),
1163                         (uintmax_t)DELTA(rpccnt[NFSPROC_GETATTR]),
1164                         (uintmax_t)DELTA(rpccnt[NFSPROC_LOOKUP]),
1165                         (uintmax_t)DELTA(rpccnt[NFSPROC_READLINK]),
1166                         (uintmax_t)DELTA(rpccnt[NFSPROC_READ]),
1167                         (uintmax_t)DELTA(rpccnt[NFSPROC_WRITE]),
1168                         (uintmax_t)DELTA(rpccnt[NFSPROC_RENAME]),
1169                         (uintmax_t)DELTA(rpccnt[NFSPROC_ACCESS]),
1170                         (uintmax_t)(DELTA(rpccnt[NFSPROC_READDIR]) +
1171                         DELTA(rpccnt[NFSPROC_READDIRPLUS]))
1172                     );
1173                     if (widemode) {
1174                             printf(" %s %s %s %s %s %s",
1175                                 sperc1(DELTA(attrcache_hits),
1176                                     DELTA(attrcache_misses)),
1177                                 sperc1(DELTA(lookupcache_hits), 
1178                                     DELTA(lookupcache_misses)),
1179                                 sperc2(DELTA(biocache_reads),
1180                                     DELTA(read_bios)),
1181                                 sperc2(DELTA(biocache_writes),
1182                                     DELTA(write_bios)),
1183                                 sperc1(DELTA(accesscache_hits),
1184                                     DELTA(accesscache_misses)),
1185                                 sperc2(DELTA(biocache_readdirs),
1186                                     DELTA(readdir_bios))
1187                             );
1188                     }
1189                     printf("\n");
1190                 }
1191
1192                 if (serverOnly && newStats) {
1193                         long double cur_secs, last_secs, etime;
1194                         long double mbsec;
1195                         long double kb_per_transfer;
1196                         long double transfers_per_second;
1197                         long double ms_per_transfer;
1198                         uint64_t queue_len;
1199                         long double busy_pct;
1200                         int i;
1201
1202                         cur_secs = ts.tv_sec +
1203                             ((long double)ts.tv_nsec / 1000000000);
1204                         last_secs = lastts.tv_sec +
1205                             ((long double)lastts.tv_nsec / 1000000000);
1206                         etime = cur_secs - last_secs;
1207
1208                         compute_totals(&curtotal, &nfsstats);
1209
1210                         for (i = 0; i < NUM_STAT_TYPES; i++) {
1211                                 compute_new_stats(&nfsstats, &lastst,
1212                                     STAT_TYPE_TO_NFS(i), etime, &mbsec,
1213                                     &kb_per_transfer,
1214                                     &transfers_per_second,
1215                                     &ms_per_transfer, &queue_len,
1216                                     &busy_pct);
1217
1218                                 if (i == STAT_TYPE_COMMIT) {
1219                                         if (widemode == 0)
1220                                                 continue;
1221
1222                                         printf("%2.0Lf %7.2Lf ",
1223                                             transfers_per_second,
1224                                             ms_per_transfer);
1225                                 } else {
1226                                         printf("%5.2Lf %5.0Lf %7.2Lf ",
1227                                             kb_per_transfer,
1228                                             transfers_per_second, mbsec);
1229                                         if (widemode)
1230                                                 printf("%5.2Lf ",
1231                                                     ms_per_transfer);
1232                                 }
1233                         }
1234
1235                         compute_new_stats(&curtotal, &lasttotal, 0, etime,
1236                             &mbsec, &kb_per_transfer, &transfers_per_second,
1237                             &ms_per_transfer, &queue_len, &busy_pct);
1238
1239                         printf("%5.2Lf %5.0Lf %7.2Lf %5.2Lf %3ju %3.0Lf\n",
1240                             kb_per_transfer, transfers_per_second, mbsec,
1241                             ms_per_transfer, queue_len, busy_pct);
1242                 } else if (serverOnly) {
1243                     printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
1244                         ((clientOnly && serverOnly) ? "Server:" : ""),
1245                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_GETATTR]),
1246                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_LOOKUP]),
1247                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_READLINK]),
1248                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_READ]),
1249                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_WRITE]),
1250                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_RENAME]),
1251                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_ACCESS]),
1252                         (uintmax_t)(DELTA(srvrpccnt[NFSV4OP_READDIR]) +
1253                         DELTA(srvrpccnt[NFSV4OP_READDIRPLUS])));
1254                     printf("\n");
1255                 }
1256                 bcopy(&nfsstats, &lastst, sizeof(lastst));
1257                 bcopy(&curtotal, &lasttotal, sizeof(lasttotal));
1258                 lastts = ts;
1259                 fflush(stdout);
1260                 sleep(interval);
1261         }
1262         /*NOTREACHED*/
1263 }