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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/nfsproto.h>
83 #include <nfsclient/nfs.h>
84 #include <nfsserver/nfs.h>
85 #include <nfs/nfssvc.h>
86
87 #include <fs/nfs/nfsport.h>
88
89 #include <signal.h>
90 #include <fcntl.h>
91 #include <ctype.h>
92 #include <errno.h>
93 #include <limits.h>
94 #include <nlist.h>
95 #include <unistd.h>
96 #include <stdio.h>
97 #include <stdint.h>
98 #include <stdlib.h>
99 #include <string.h>
100 #include <paths.h>
101 #include <devstat.h>
102 #include <err.h>
103
104 #include <libxo/xo.h>
105
106 static int widemode = 0;
107 static int zflag = 0;
108 static int printtitle = 1;
109 static struct nfsstatsv1 ext_nfsstats;
110 static int extra_output = 0;
111
112 static void intpr(int, int);
113 static void printhdr(int, int, int);
114 static void usage(void);
115 static char *sperc1(int, int);
116 static char *sperc2(int, int);
117 static void exp_intpr(int, int, int);
118 static void exp_sidewaysintpr(u_int, int, int, int);
119 static void compute_new_stats(struct nfsstatsv1 *cur_stats,
120     struct nfsstatsv1 *prev_stats, int curop, long double etime,
121     long double *mbsec, long double *kb_per_transfer,
122     long double *transfers_per_second, long double *ms_per_transfer,
123     uint64_t *queue_len, long double *busy_pct);
124
125 #define DELTA(field)    (nfsstats.field - lastst.field)
126
127 #define STAT_TYPE_READ          0
128 #define STAT_TYPE_WRITE         1
129 #define STAT_TYPE_COMMIT        2
130 #define NUM_STAT_TYPES          3
131
132 struct stattypes {
133         int stat_type;
134         int nfs_type;
135 };
136 static struct stattypes statstruct[] = {
137         {STAT_TYPE_READ, NFSV4OP_READ},
138         {STAT_TYPE_WRITE, NFSV4OP_WRITE},
139         {STAT_TYPE_COMMIT, NFSV4OP_COMMIT}
140 };
141
142 #define STAT_TYPE_TO_NFS(stat_type)     statstruct[stat_type].nfs_type
143
144 #define NFSSTAT_XO_VERSION      "1"
145
146 int
147 main(int argc, char **argv)
148 {
149         u_int interval;
150         int clientOnly = -1;
151         int serverOnly = -1;
152         int newStats = 0;
153         int ch;
154         char *memf, *nlistf;
155         int mntlen, i;
156         char buf[1024];
157         struct statfs *mntbuf;
158         struct nfscl_dumpmntopts dumpmntopts;
159
160         interval = 0;
161         memf = nlistf = NULL;
162
163         argc = xo_parse_args(argc, argv);
164         if (argc < 0)
165                 exit(1);
166
167         xo_set_version(NFSSTAT_XO_VERSION);
168
169         while ((ch = getopt(argc, argv, "cdEesWM:mN:w:zq")) != -1)
170                 switch(ch) {
171                 case 'M':
172                         memf = optarg;
173                         break;
174                 case 'm':
175                         /* Display mount options for NFS mount points. */
176                         mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
177                         for (i = 0; i < mntlen; i++) {
178                                 if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
179                                         dumpmntopts.ndmnt_fname =
180                                             mntbuf->f_mntonname;
181                                         dumpmntopts.ndmnt_buf = buf;
182                                         dumpmntopts.ndmnt_blen = sizeof(buf);
183                                         if (nfssvc(NFSSVC_DUMPMNTOPTS,
184                                             &dumpmntopts) >= 0)
185                                                 printf("%s on %s\n%s\n",
186                                                     mntbuf->f_mntfromname,
187                                                     mntbuf->f_mntonname, buf);
188                                         else if (errno == EPERM)
189                                                 errx(1, "Only priviledged users"
190                                                     " can use the -m option");
191                                 }
192                                 mntbuf++;
193                         }
194                         exit(0);
195                 case 'N':
196                         nlistf = optarg;
197                         break;
198                 case 'W':
199                         widemode = 1;
200                         break;
201                 case 'w':
202                         interval = atoi(optarg);
203                         break;
204                 case 'c':
205                         clientOnly = 1;
206                         if (serverOnly < 0)
207                                 serverOnly = 0;
208                         break;
209                 case 'd':
210                         newStats = 1;
211                         if (interval == 0)
212                                 interval = 1;
213                         break;
214                 case 's':
215                         serverOnly = 1;
216                         if (clientOnly < 0)
217                                 clientOnly = 0;
218                         break;
219                 case 'z':
220                         zflag = 1;
221                         break;
222                 case 'E':
223                         if (extra_output != 0)
224                                 xo_err(1, "-e and -E are mutually exclusive");
225                         extra_output = 2;
226                         break;
227                 case 'e':
228                         if (extra_output != 0)
229                                 xo_err(1, "-e and -E are mutually exclusive");
230                         extra_output = 1;
231                         break;
232                 case 'q':
233                         printtitle = 0;
234                         break;
235                 case '?':
236                 default:
237                         usage();
238                 }
239         argc -= optind;
240         argv += optind;
241
242 #define BACKWARD_COMPATIBILITY
243 #ifdef  BACKWARD_COMPATIBILITY
244         if (*argv) {
245                 interval = atoi(*argv);
246                 if (*++argv) {
247                         nlistf = *argv;
248                         if (*++argv)
249                                 memf = *argv;
250                 }
251         }
252 #endif
253         if (modfind("nfscommon") < 0)
254                 xo_err(1, "NFS client/server not loaded");
255
256         if (interval) {
257                 exp_sidewaysintpr(interval, clientOnly, serverOnly,
258                     newStats);
259         } else {
260                 xo_open_container("nfsstat");
261                 if (extra_output != 0)
262                         exp_intpr(clientOnly, serverOnly, extra_output - 1);
263                 else
264                         intpr(clientOnly, serverOnly);
265                 xo_close_container("nfsstat");
266         }
267
268         xo_finish();
269         exit(0);
270 }
271
272 /*
273  * Print a description of the nfs stats.
274  */
275 static void
276 intpr(int clientOnly, int serverOnly)
277 {
278         int nfssvc_flag;
279
280         nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
281         if (zflag != 0) {
282                 if (clientOnly != 0)
283                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
284                 if (serverOnly != 0)
285                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
286         }
287         ext_nfsstats.vers = NFSSTATS_V1;
288         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
289                 xo_err(1, "Can't get stats");
290         if (clientOnly) {
291                 xo_open_container("clientstats");
292
293                 if (printtitle)
294                         xo_emit("{T:Client Info:\n");
295
296                 xo_open_container("operations");
297                 xo_emit("{T:Rpc Counts:}\n");
298
299                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
300                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
301                     "{T:Read/%13.13s}{T:Write/%13.13s}"
302                   "{T:Create/%13.13s}{T:Remove/%13.13s}\n");
303                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
304                     "{:lookup/%13ju}{:readlink/%13ju}"
305                     "{:read/%13ju}{:write/%13ju}"
306                     "{:create/%13ju}{:remove/%13ju}\n",
307                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
308                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
309                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
310                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
311                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
312                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE],
313                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
314                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
315
316                 xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
317                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
318                     "{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
319                   "{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
320                 xo_emit("{:rename/%13ju}{:link/%13ju}"
321                     "{:symlink/%13ju}{:mkdir/%13ju}"
322                     "{:rmdir/%13ju}{:readdir/%13ju}"
323                     "{:rdirplus/%13ju}{:access/%13ju}\n",
324                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
325                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
326                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
327                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR],
328                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
329                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
330                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
331                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
332
333                 xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
334                     "{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
335                     "{T:Commit/%13.13s}\n");
336                 xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
337                     "{:fsinfo/%13ju}{:pathconf/%13ju}"
338                     "{:commit/%13ju}\n",
339                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
340                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
341                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
342                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
343                         (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
344
345                 xo_close_container("operations");
346
347                 xo_open_container("rpcs");
348                 xo_emit("{T:Rpc Info:}\n");
349
350                 xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
351                     "{T:X Replies/%13.13s}{T:Retries/%13.13s}"
352                     "{T:Requests/%13.13s}\n");
353                 xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
354                     "{:xreplies/%13ju}{:retries/%13ju}"
355                     "{:requests/%13ju}\n",
356                         (uintmax_t)ext_nfsstats.rpctimeouts,
357                         (uintmax_t)ext_nfsstats.rpcinvalid,
358                         (uintmax_t)ext_nfsstats.rpcunexpected,
359                         (uintmax_t)ext_nfsstats.rpcretries,
360                         (uintmax_t)ext_nfsstats.rpcrequests);
361                 xo_close_container("rpcs");
362
363                 xo_open_container("cache");
364                 xo_emit("{T:Cache Info:}\n");
365
366                 xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
367                     "{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}"
368                     "{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
369                     "{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
370                 xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
371                     "{:lkuphits/%13ju}{:lkupmisses/%13ju}"
372                     "{:biorhits/%13ju}{:biormisses/%13ju}"
373                     "{:biowhits/%13ju}{:biowmisses/%13ju}\n",
374                     (uintmax_t)ext_nfsstats.attrcache_hits,
375                     (uintmax_t)ext_nfsstats.attrcache_misses,
376                     (uintmax_t)ext_nfsstats.lookupcache_hits,
377                     (uintmax_t)ext_nfsstats.lookupcache_misses,
378                     (uintmax_t)(ext_nfsstats.biocache_reads -
379                     ext_nfsstats.read_bios),
380                     (uintmax_t)ext_nfsstats.read_bios,
381                     (uintmax_t)(ext_nfsstats.biocache_writes -
382                     ext_nfsstats.write_bios),
383                     (uintmax_t)ext_nfsstats.write_bios);
384
385                 xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
386                     "{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}"
387                     "{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}"
388                     "{T:Accs Hits/%13.13s}{T:Accs Misses/%13.13s}\n");
389                 xo_emit("{:biosrlhits/%13ju}{:biorlmisses/%13ju}"
390                     "{:biodhits/%13ju}{:biodmisses/%13ju}"
391                     "{:direhits/%13ju}{:diremisses/%13ju}"
392                     "{:accshits/%13ju}{:accsmisses/%13ju}\n",
393                     (uintmax_t)(ext_nfsstats.biocache_readlinks -
394                     ext_nfsstats.readlink_bios),
395                     (uintmax_t)ext_nfsstats.readlink_bios,
396                     (uintmax_t)(ext_nfsstats.biocache_readdirs -
397                     ext_nfsstats.readdir_bios),
398                     (uintmax_t)ext_nfsstats.readdir_bios,
399                     (uintmax_t)ext_nfsstats.direofcache_hits,
400                     (uintmax_t)ext_nfsstats.direofcache_misses,
401                     (uintmax_t)ext_nfsstats.accesscache_hits,
402                     (uintmax_t)ext_nfsstats.accesscache_misses);
403
404                 xo_close_container("cache");
405
406                 xo_close_container("clientstats");
407         }
408         if (serverOnly) {
409                 xo_open_container("serverstats");
410
411                 xo_emit("{T:Server Info:}\n");
412                 xo_open_container("operations");
413
414                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
415                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
416                     "{T:Read/%13.13s}{T:Write/%13.13s}"
417                     "{T:Create/%13.13s}{T:Remove/%13.13s}\n");
418                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
419                     "{:lookup/%13ju}{:readlink/%13ju}"
420                     "{:read/%13ju}{:write/%13ju}"
421                     "{:create/%13ju}{:remove/%13ju}\n",
422                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
423                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
424                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
425                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
426                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
427                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
428                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
429                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
430
431                 xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
432                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
433                     "{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
434                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
435                 xo_emit("{:rename/%13ju}{:link/%13ju}"
436                     "{:symlink/%13ju}{:mkdir/%13ju}"
437                     "{:rmdir/%13ju}{:readdir/%13ju}"
438                     "{:rdirplus/%13ju}{:access/%13ju}\n",
439                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
440                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
441                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
442                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
443                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
444                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
445                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
446                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
447
448                 xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
449                     "{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
450                     "{T:Commit/%13.13s}\n");
451                 xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
452                     "{:fsinfo/%13ju}{:pathconf/%13ju}"
453                     "{:commit/%13ju}\n",
454                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
455                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
456                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
457                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
458                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
459
460                 xo_close_container("operations");
461
462                 xo_open_container("server");
463                 xo_emit("{T:Server Re-Failed}\n");
464                 xo_emit("{:retfailed/%16ju}\n", (uintmax_t)ext_nfsstats.srvrpc_errs);
465
466                 xo_emit("{T:Server Faults}\n");
467                 xo_emit("{:faults/%13ju}\n", (uintmax_t)ext_nfsstats.srv_errs);
468
469                 xo_emit("{T:Server Write Gathering:/%13.13s}\n");
470
471                 xo_emit("{T:WriteOps/%13.13s}{T:WriteRPC/%13.13s}"
472                     "{T:Opsaved/%13.13s}\n");
473                 xo_emit("{:writeops/%13ju}{:writerpc/%13ju}"
474                     "{:opsaved/%13ju}\n",
475                 /*
476                  * The new client doesn't do write gathering. It was
477                  * only useful for NFSv2.
478                  */
479                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
480                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
481
482                 xo_close_container("server");
483
484                 xo_open_container("cache");
485                 xo_emit("{T:Server Cache Stats:/%13.13s}\n");
486                 xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
487                     "{T:Non-Idem/%13.13s}{T:Misses/%13.13s}\n");
488                 xo_emit("{:inprog/%13ju}{:idem/%13ju}"
489                     "{:nonidem/%13ju}{:misses/%13ju}\n",
490                         (uintmax_t)ext_nfsstats.srvcache_inproghits,
491                         (uintmax_t)ext_nfsstats.srvcache_idemdonehits,
492                         (uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
493                         (uintmax_t)ext_nfsstats.srvcache_misses);
494                 xo_close_container("cache");
495
496                 xo_close_container("serverstats");
497         }
498 }
499
500 static void
501 printhdr(int clientOnly, int serverOnly, int newStats)
502 {
503
504         if (newStats) {
505                 printf(" [%s Read %s]  [%s Write %s]  "
506                     "%s[=========== Total ============]\n"
507                     " KB/t   tps    MB/s%s  KB/t   tps    MB/s%s  "
508                     "%sKB/t   tps    MB/s    ms  ql  %%b",
509                     widemode ? "========" : "=====",
510                     widemode ? "========" : "=====",
511                     widemode ? "========" : "=====",
512                     widemode ? "======="  : "====",
513                     widemode ? "[Commit ]  " : "",
514                     widemode ? "    ms" : "",
515                     widemode ? "    ms" : "",
516                     widemode ? "tps    ms  " : "");
517         } else {
518                 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
519                     ((serverOnly && clientOnly) ? "        " : " "),
520                     "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
521                     "Access", "Rddir");
522                 if (widemode && clientOnly) {
523                         printf(" Attr Lkup BioR BioW Accs BioD");
524                 }
525         }
526         printf("\n");
527         fflush(stdout);
528 }
529
530 static void
531 usage(void)
532 {
533         (void)fprintf(stderr,
534             "usage: nfsstat [-cdemszW] [-M core] [-N system] [-w wait]\n");
535         exit(1);
536 }
537
538 static char SPBuf[64][8];
539 static int SPIndex;
540
541 static char * 
542 sperc1(int hits, int misses)
543 {
544         char *p = SPBuf[SPIndex];
545
546         if (hits + misses) {
547                 sprintf(p, "%3d%%", 
548                     (int)(char)((quad_t)hits * 100 / (hits + misses)));
549         } else {
550                 sprintf(p, "   -");
551         }
552         SPIndex = (SPIndex + 1) & 63;
553         return(p);
554 }
555
556 static char * 
557 sperc2(int ttl, int misses)
558 {
559         char *p = SPBuf[SPIndex];
560
561         if (ttl) {
562                 sprintf(p, "%3d%%",
563                     (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
564         } else {
565                 sprintf(p, "   -");
566         }
567         SPIndex = (SPIndex + 1) & 63;
568         return(p);
569 }
570
571 #define DELTA_T(field)                                  \
572         devstat_compute_etime(&cur_stats->field,        \
573         (prev_stats ? &prev_stats->field : NULL))
574
575 /*
576  * XXX KDM mostly copied from ctlstat.  We should commonize the code (and
577  * the devstat code) somehow.
578  */
579 static void
580 compute_new_stats(struct nfsstatsv1 *cur_stats,
581                   struct nfsstatsv1 *prev_stats, int curop,
582                   long double etime, long double *mbsec,
583                   long double *kb_per_transfer,
584                   long double *transfers_per_second,
585                   long double *ms_per_transfer, uint64_t *queue_len,
586                   long double *busy_pct)
587 {
588         uint64_t total_bytes = 0, total_operations = 0;
589         struct bintime total_time_bt;
590         struct timespec total_time_ts;
591
592         bzero(&total_time_bt, sizeof(total_time_bt));
593         bzero(&total_time_ts, sizeof(total_time_ts));
594
595         total_bytes = cur_stats->srvbytes[curop];
596         total_operations = cur_stats->srvops[curop];
597         if (prev_stats != NULL) {
598                 total_bytes -= prev_stats->srvbytes[curop];
599                 total_operations -= prev_stats->srvops[curop];
600         }
601
602         *mbsec = total_bytes;
603         *mbsec /= 1024 * 1024;
604         if (etime > 0.0) {
605                 *busy_pct = DELTA_T(busytime);
606                 if (*busy_pct < 0)
607                         *busy_pct = 0;
608                 *busy_pct /= etime;
609                 *busy_pct *= 100;
610                 if (*busy_pct < 0)
611                         *busy_pct = 0;
612                 *mbsec /= etime;
613         } else {
614                 *busy_pct = 0;
615                 *mbsec = 0;
616         }
617         *kb_per_transfer = total_bytes;
618         *kb_per_transfer /= 1024;
619         if (total_operations > 0)
620                 *kb_per_transfer /= total_operations;
621         else
622                 *kb_per_transfer = 0;
623         if (etime > 0.0) {
624                 *transfers_per_second = total_operations;
625                 *transfers_per_second /= etime;
626         } else {
627                 *transfers_per_second = 0.0;
628         }
629                         
630         if (total_operations > 0) {
631                 *ms_per_transfer = DELTA_T(srvduration[curop]);
632                 *ms_per_transfer /= total_operations;
633                 *ms_per_transfer *= 1000;
634         } else
635                 *ms_per_transfer = 0.0;
636
637         *queue_len = cur_stats->srvstartcnt - cur_stats->srvdonecnt;
638 }
639
640 /*
641  * Print a description of the nfs stats for the client/server,
642  * including NFSv4.1.
643  */
644 static void
645 exp_intpr(int clientOnly, int serverOnly, int nfs41)
646 {
647         int nfssvc_flag;
648
649         xo_open_container("nfsv4");
650
651         nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
652         if (zflag != 0) {
653                 if (clientOnly != 0)
654                         nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
655                 if (serverOnly != 0)
656                         nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
657         }
658         ext_nfsstats.vers = NFSSTATS_V1;
659         if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
660                 xo_err(1, "Can't get stats");
661         if (clientOnly != 0) {
662                 xo_open_container("clientstats");
663
664                 xo_open_container("operations");
665                 if (printtitle) {
666                         xo_emit("{T:Client Info:}\n");
667                         xo_emit("{T:RPC Counts:}\n");
668                 }
669                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
670                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
671                     "{T:Read/%13.13s}{T:Write/%13.13s}\n");
672                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
673                     "{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
674                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
675                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
676                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
677                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
678                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
679                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE]);
680                 xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
681                     "{T:Rename/%13.13s}{T:Link/%13.13s}"
682                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
683                 xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
684                   "{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
685                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
686                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE],
687                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
688                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
689                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
690                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR]);
691                 xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
692                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
693                     "{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
694                 xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
695                     "{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
696                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
697                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
698                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
699                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS],
700                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
701                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT]);
702                 xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
703                     "{T:Commit/%13.13s}{T:SetClId/%13.13s}"
704                     "{T:SetClIdCf/%13.13s}{T:Lock/%13.13s}\n");
705                 xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
706                     "{:setclientid/%13ju}{:setclientidcf/%13ju}{:lock/%13ju}\n",
707                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
708                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
709                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT],
710                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
711                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
712                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCK]);
713                 xo_emit("{T:LockT/%13.13s}{T:LockU/%13.13s}"
714                     "{T:Open/%13.13s}{T:OpenCfr/%13.13s}\n");
715                 xo_emit("{:lockt/%13ju}{:locku/%13ju}"
716                     "{:open/%13ju}{:opencfr/%13ju}\n",
717                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKT],
718                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKU],
719                     (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPEN],
720                   (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
721
722                 if (nfs41) {
723                         xo_open_container("nfsv41");
724
725                         xo_emit("{T:OpenDownGr/%13.13s}{T:Close/%13.13s}\n");
726                         xo_emit("{:opendowngr/%13ju}{:close/%13ju}\n",
727                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENDOWNGRADE],
728                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CLOSE]);
729
730                         xo_emit("{T:RelLckOwn/%13.13s}{T:FreeStateID/%13.13s}"
731                             "{T:PutRootFH/%13.13s}{T:DelegRet/%13.13s}"
732                             "{T:GetAcl/%13.13s}{T:SetAcl/%13.13s}\n");
733                         xo_emit("{:rellckown/%13ju}{:freestateid/%13ju}"
734                             "{:getacl/%13ju}{:delegret/%13ju}"
735                             "{:getacl/%13ju}{:setacl/%13ju}\n",
736                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RELEASELCKOWN],
737                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FREESTATEID],
738                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PUTROOTFH],
739                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DELEGRETURN],
740                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETACL],
741                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETACL]);
742
743                         xo_emit("{T:ExchangeId/%13.13s}{T:CreateSess/%13.13s}"
744                             "{T:DestroySess/%13.13s}{T:DestroyClId/%13.13s}"
745                             "{T:LayoutGet/%13.13s}{T:GetDevInfo/%13.13s}\n");
746                         xo_emit("{:exchangeid/%13ju}{:createsess/%13ju}"
747                             "{:destroysess/%13ju}{:destroyclid/%13ju}"
748                             "{:layoutget/%13ju}{:getdevinfo/%13ju}\n",
749                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_EXCHANGEID],
750                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATESESSION],
751                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYSESSION],
752                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYCLIENT],
753                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTGET],
754                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETDEVICEINFO]);
755
756                         xo_emit("{T:LayoutCommit/%13.13s}{T:LayoutReturn/%13.13s}"
757                             "{T:ReclaimCompl/%13.13s}{T:ReadDataS/%13.13s}"
758                             "{T:WriteDataS/%13.13s}{T:CommitDataS/%13.13s}\n");
759                         xo_emit("{:layoutcomit/%13ju}{:layoutreturn/%13ju}"
760                             "{:reclaimcompl/%13ju}{:readdatas/%13ju}"
761                             "{:writedatas/%13ju}{:commitdatas/%13ju}\n",
762                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTCOMMIT],
763                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTRETURN],
764                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RECLAIMCOMPL],
765                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDS],
766                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITEDS],
767                           (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMITDS]);
768
769                         xo_emit("{T:OpenLayout/%13.13s}{T:CreateLayout/%13.13s}\n");
770                         xo_emit("{:openlayout/%13ju}{:createlayout/%13ju}\n",
771                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENLAYGET],
772                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATELAYGET]);
773
774                         xo_close_container("nfsv41");
775
776                         xo_open_container("nfsv42");
777
778                         xo_emit("{T:IOAdvise/%13.13s}{T:Allocate/%13.13s}"
779                             "{T:Copy/%13.13s}{T:Seek/%13.13s}"
780                             "{T:SeekDataS/%13.13s}{T:GetExtattr/%13.13s}\n");
781                         xo_emit("{:ioadvise/%13ju}{:allocate/%13ju}"
782                             "{:copy/%13ju}{:seek/%13ju}"
783                             "{:seekdatas/%13ju}{:getextattr/%13ju}\n",
784                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_IOADVISE],
785                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ALLOCATE],
786                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COPY],
787                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SEEK],
788                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SEEKDS],
789                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETEXTATTR]);
790
791                         xo_emit("{T:SetExtattr/%13.13s}{T:RmExtattr/%13.13s}"
792                             "{T:ListExtattr/%13.13s}\n");
793                         xo_emit("{:setextattr/%13ju}{:rmextattr/%13ju}"
794                             "{:listextattr/%13ju}\n",
795                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETEXTATTR],
796                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMEXTATTR],
797                             (uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LISTEXTATTR]);
798
799                         xo_close_container("nfsv42");
800                 }
801                 xo_close_container("operations");
802
803                 xo_open_container("client");
804                 xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
805                     "{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
806                     "{T:Delegs/%13.13s}{T:LocalOwn/%13.13s}\n");
807                 xo_emit("{:openowner/%13ju}{:opens/%13ju}"
808                     "{:lockowner/%13ju}{:locks/%13ju}"
809                     "{:delegs/%13ju}{:localown/%13ju}\n",
810                     (uintmax_t)ext_nfsstats.clopenowners,
811                     (uintmax_t)ext_nfsstats.clopens,
812                     (uintmax_t)ext_nfsstats.cllockowners,
813                     (uintmax_t)ext_nfsstats.cllocks,
814                     (uintmax_t)ext_nfsstats.cldelegates,
815                     (uintmax_t)ext_nfsstats.cllocalopenowners);
816
817                 xo_emit("{T:LocalOpen/%13.13s}{T:LocalLown/%13.13s}"
818                     "{T:LocalLock/%13.13s}\n");
819                 xo_emit("{:localopen/%13ju}{:locallown/%13ju}"
820                     "{:locallock/%13ju}\n",
821                     (uintmax_t)ext_nfsstats.cllocalopens,
822                     (uintmax_t)ext_nfsstats.cllocallockowners,
823                     (uintmax_t)ext_nfsstats.cllocallocks);
824                 xo_close_container("client");
825
826                 xo_open_container("rpc");
827                 if (printtitle)
828                         xo_emit("{T:Rpc Info:}\n");
829                 xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
830                     "{T:X Replies/%13.13s}{T:Retries/%13.13s}"
831                     "{T:Requests/%13.13s}\n");
832                 xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
833                     "{:xreplies/%13ju}{:retries/%13ju}"
834                     "{:requests/%13ju}\n",
835                     (uintmax_t)ext_nfsstats.rpctimeouts,
836                     (uintmax_t)ext_nfsstats.rpcinvalid,
837                     (uintmax_t)ext_nfsstats.rpcunexpected,
838                     (uintmax_t)ext_nfsstats.rpcretries,
839                     (uintmax_t)ext_nfsstats.rpcrequests);
840                 xo_close_container("rpc");
841
842                 xo_open_container("cache");
843                 if (printtitle)
844                         xo_emit("{T:Cache Info:}\n");
845                 xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
846                     "{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}\n");
847                 xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
848                     "{:lkuphits/%13ju}{:lkupmisses/%13ju}\n",
849                     (uintmax_t)ext_nfsstats.attrcache_hits,
850                     (uintmax_t)ext_nfsstats.attrcache_misses,
851                     (uintmax_t)ext_nfsstats.lookupcache_hits,
852                     (uintmax_t)ext_nfsstats.lookupcache_misses);
853
854                 xo_emit("{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
855                     "{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
856                 xo_emit("{:biorhits/%13ju}{:biormisses/%13ju}"
857                     "{:biowhits/%13ju}{:biowmisses/%13ju}\n",
858                     (uintmax_t)(ext_nfsstats.biocache_reads -
859                     ext_nfsstats.read_bios),
860                     (uintmax_t)ext_nfsstats.read_bios,
861                     (uintmax_t)(ext_nfsstats.biocache_writes -
862                     ext_nfsstats.write_bios),
863                     (uintmax_t)ext_nfsstats.write_bios);
864
865                 xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
866                     "{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}\n");
867                 xo_emit("{:biorlhits/%13ju}{:biorlmisses/%13ju}"
868                     "{:biodhits/%13ju}{:biodmisses/%13ju}\n",
869                     (uintmax_t)(ext_nfsstats.biocache_readlinks -
870                     ext_nfsstats.readlink_bios),
871                     (uintmax_t)ext_nfsstats.readlink_bios,
872                     (uintmax_t)(ext_nfsstats.biocache_readdirs -
873                     ext_nfsstats.readdir_bios),
874                     (uintmax_t)ext_nfsstats.readdir_bios);
875
876                 xo_emit("{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}\n");
877                 xo_emit("{:direhits/%13ju}{:diremisses/%13ju}\n",
878                     (uintmax_t)ext_nfsstats.direofcache_hits,
879                     (uintmax_t)ext_nfsstats.direofcache_misses);
880                 xo_open_container("cache");
881
882                 xo_close_container("clientstats");
883         }
884         if (serverOnly != 0) {
885                 xo_open_container("serverstats");
886
887                 xo_open_container("operations");
888                 if (printtitle)
889                         xo_emit("{T:Server Info:}\n");
890                 xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
891                     "{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
892                     "{T:Read/%13.13s}{T:Write/%13.13s}\n");
893                 xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
894                     "{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
895                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
896                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
897                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
898                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
899                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
900                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE]);
901                 xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
902                     "{T:Rename/%13.13s}{T:Link/%13.13s}"
903                     "{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
904                 xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
905                     "{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
906                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
907                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE],
908                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
909                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
910                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
911                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR]);
912                 xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
913                     "{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
914                     "{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
915                 xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
916                     "{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
917                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
918                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
919                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
920                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS],
921                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
922                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT]);
923                 xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
924                     "{T:Commit/%13.13s}{T:LookupP/%13.13s}"
925                     "{T:SetClId/%13.13s}{T:SetClIdCf/%13.13s}\n");
926                 xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
927                     "{:lookupp/%13ju}{:setclientid/%13ju}{:setclientidcfrm/%13ju}\n",
928                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
929                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
930                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
931                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
932                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
933                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
934                 xo_emit("{T:Open/%13.13s}{T:OpenAttr/%13.13s}"
935                     "{T:OpenDwnGr/%13.13s}{T:OpenCfrm/%13.13s}"
936                     "{T:DelePurge/%13.13s}{T:DelRet/%13.13s}\n");
937                 xo_emit("{:open/%13ju}{:openattr/%13ju}{:opendwgr/%13ju}"
938                     "{:opencfrm/%13ju}{:delepurge/%13ju}{:delreg/%13ju}\n",
939                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
940                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
941                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
942                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
943                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
944                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN]);
945                 xo_emit("{T:GetFH/%13.13s}{T:Lock/%13.13s}"
946                     "{T:LockT/%13.13s}{T:LockU/%13.13s}"
947                     "{T:Close/%13.13s}{T:Verify/%13.13s}\n");
948                 xo_emit("{:getfh/%13ju}{:lock/%13ju}{:lockt/%13ju}"
949                     "{:locku/%13ju}{:close/%13ju}{:verify/%13ju}\n",
950                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
951                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCK],
952                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
953                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
954                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
955                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY]);
956                 xo_emit("{T:NVerify/%13.13s}{T:PutFH/%13.13s}"
957                     "{T:PutPubFH/%13.13s}{T:PutRootFH/%13.13s}"
958                     "{T:Renew/%13.13s}{T:RestoreFH/%13.13s}\n");
959                 xo_emit("{:nverify/%13ju}{:putfh/%13ju}{:putpubfh/%13ju}"
960                     "{:putrootfh/%13ju}{:renew/%13ju}{:restore/%13ju}\n",
961                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
962                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
963                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
964                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH],
965                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
966                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH]);
967                 xo_emit("{T:SaveFH/%13.13s}{T:Secinfo/%13.13s}"
968                     "{T:RelLockOwn/%13.13s}{T:V4Create/%13.13s}\n");
969                 xo_emit("{:savefh/%13ju}{:secinfo/%13ju}{:rellockown/%13ju}"
970                     "{:v4create/%13ju}\n",
971                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
972                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
973                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
974                     (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
975                 if (nfs41) {
976                         xo_open_container("nfsv41");
977                         xo_emit("{T:BackChannelCtrl/%13.13s}{T:BindConnToSess/%13.13s}"
978                             "{T:ExchangeID/%13.13s}{T:CreateSess/%13.13s}"
979                             "{T:DestroySess/%13.13s}{T:FreeStateID/%13.13s}\n");
980                         xo_emit("{:backchannelctrl/%13ju}{:bindconntosess/%13ju}"
981                             "{:exchangeid/%13ju}{:createsess/%13ju}"
982                             "{:destroysess/%13ju}{:freestateid/%13ju}\n",
983                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BACKCHANNELCTL],
984                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BINDCONNTOSESS],
985                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_EXCHANGEID],
986                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATESESSION],
987                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYSESSION],
988                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FREESTATEID]),
989
990                         xo_emit("{T:GetDirDeleg/%13.13s}{T:GetDevInfo/%13.13s}"
991                             "{T:GetDevList/%13.13s}{T:layoutCommit/%13.13s}"
992                             "{T:LayoutGet/%13.13s}{T:LayoutReturn/%13.13s}\n");
993                         xo_emit("{:getdirdeleg/%13ju}{:getdevinfo/%13ju}"
994                             "{:getdevlist/%13ju}{:layoutcommit/%13ju}"
995                             "{:layoutget/%13ju}{:layoutreturn/%13ju}\n",
996                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDIRDELEG],
997                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVINFO],
998                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVLIST],
999                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTCOMMIT],
1000                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTGET],
1001                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTRETURN]);
1002
1003                         xo_emit("{T:SecInfNoName/%13.13s}{T:Sequence/%13.13s}"
1004                             "{T:SetSSV/%13.13s}{T:TestStateID/%13.13s}"
1005                             "{T:WantDeleg/%13.13s}{T:DestroyClId/%13.13s}\n");
1006                         xo_emit("{:secinfnoname/%13ju}{:sequence/%13ju}"
1007                             "{:setssv/%13ju}{:teststateid/%13ju}{:wantdeleg/%13ju}"
1008                             "{:destroyclid/%13ju}\n",
1009                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFONONAME],
1010                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SEQUENCE],
1011                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETSSV],
1012                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_TESTSTATEID],
1013                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WANTDELEG],
1014                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYCLIENTID]);
1015
1016                         xo_emit("{T:ReclaimCompl/%13.13s}\n");
1017                         xo_emit("{:reclaimcompl/%13ju}\n",
1018                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RECLAIMCOMPL]);
1019
1020                         xo_close_container("nfsv41");
1021
1022                         xo_open_container("nfsv42");
1023
1024                         xo_emit("{T:Allocate/%13.13s}{T:Copy/%13.13s}"
1025                             "{T:CopyNotify/%13.13s}{T:Deallocate/%13.13s}"
1026                             "{T:IOAdvise/%13.13s}{T:LayoutError/%13.13s}\n");
1027                         xo_emit("{:allocate/%13ju}{:copy/%13ju}"
1028                             "{:copynotify/%13ju}{:deallocate/%13ju}"
1029                             "{:ioadvise/%13ju}{:layouterror/%13ju}\n",
1030                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ALLOCATE],
1031                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COPY],
1032                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COPYNOTIFY],
1033                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DEALLOCATE],
1034                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_IOADVISE],
1035                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTERROR]);
1036
1037                         xo_emit("{T:LayoutStats/%13.13s}{T:OffloadCncl/%13.13s}"
1038                             "{T:OffloadStat/%13.13s}{T:ReadPlus/%13.13s}"
1039                             "{T:Seek/%13.13s}{T:WriteSame/%13.13s}\n");
1040                         xo_emit("{:layoutstats/%13ju}{:offloadcncl/%13ju}"
1041                             "{:offloadstat/%13ju}{:readplus/%13ju}"
1042                             "{:seek/%13ju}{:writesame/%13ju}\n",
1043                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTSTATS],
1044                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OFFLOADCANCEL],
1045                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OFFLOADSTATUS],
1046                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READPLUS],
1047                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SEEK],
1048                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITESAME]);
1049
1050                         xo_emit("{T:Clone/%13.13s}{T:GetExtattr/%13.13s}"
1051                             "{T:SetExtattr/%13.13s}{T:ListExtattr/%13.13s}"
1052                             "{T:RmExtattr/%13.13s}\n");
1053                         xo_emit("{:clone/%13ju}{:getextattr/%13ju}"
1054                             "{:setextattr/%13ju}{:listextattr/%13ju}"
1055                             "{:rmextattr/%13ju}\n",
1056                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CLONE],
1057                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETXATTR],
1058                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETXATTR],
1059                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LISTXATTRS],
1060                             (uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVEXATTR]);
1061
1062                         xo_close_container("nfsv42");
1063                 }
1064
1065                 xo_close_container("operations");
1066
1067                 if (printtitle)
1068                         xo_emit("{T:Server:}\n");
1069                 xo_open_container("server");
1070                 xo_emit("{T:Retfailed/%13.13s}{T:Faults/%13.13s}"
1071                     "{T:Clients/%13.13s}\n");
1072                 xo_emit("{:retfailed/%13ju}{:faults/%13ju}{:clients/%13ju}\n",
1073                     (uintmax_t)ext_nfsstats.srv_errs,
1074                     (uintmax_t)ext_nfsstats.srvrpc_errs,
1075                     (uintmax_t)ext_nfsstats.srvclients);
1076                 xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
1077                     "{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
1078                     "{T:Delegs/%13.13s}\n");
1079                 xo_emit("{:openowner/%13ju}{:opens/%13ju}{:lockowner/%13ju}"
1080                   "{:locks/%13ju}{:delegs/%13ju}\n",
1081                     (uintmax_t)ext_nfsstats.srvopenowners,
1082                     (uintmax_t)ext_nfsstats.srvopens,
1083                     (uintmax_t)ext_nfsstats.srvlockowners,
1084                     (uintmax_t)ext_nfsstats.srvlocks,
1085                     (uintmax_t)ext_nfsstats.srvdelegates);
1086                 xo_close_container("server");
1087
1088                 if (printtitle)
1089                         xo_emit("{T:Server Cache Stats:}\n");
1090                 xo_open_container("cache");
1091                 xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
1092                     "{T:Non-idem/%13.13s}{T:Misses/%13.13s}"
1093                     "{T:CacheSize/%13.13s}{T:TCPPeak/%13.13s}\n");
1094                 xo_emit("{:inprog/%13ju}{:idem/%13ju}{:nonidem/%13ju}"
1095                     "{:misses/%13ju}{:cachesize/%13ju}{:tcppeak/%13ju}\n",
1096                     (uintmax_t)ext_nfsstats.srvcache_inproghits,
1097                     (uintmax_t)ext_nfsstats.srvcache_idemdonehits,
1098                     (uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
1099                     (uintmax_t)ext_nfsstats.srvcache_misses,
1100                     (uintmax_t)ext_nfsstats.srvcache_size,
1101                     (uintmax_t)ext_nfsstats.srvcache_tcppeak);
1102                 xo_close_container("cache");
1103
1104                 xo_close_container("serverstats");
1105         }
1106
1107         xo_close_container("nfsv4");
1108 }
1109
1110 static void
1111 compute_totals(struct nfsstatsv1 *total_stats, struct nfsstatsv1 *cur_stats)
1112 {
1113         int i;
1114
1115         bzero(total_stats, sizeof(*total_stats));
1116         for (i = 0; i < (NFSV42_NOPS + NFSV4OP_FAKENOPS); i++) {
1117                 total_stats->srvbytes[0] += cur_stats->srvbytes[i];
1118                 total_stats->srvops[0] += cur_stats->srvops[i];
1119                 bintime_add(&total_stats->srvduration[0],
1120                             &cur_stats->srvduration[i]);
1121                 total_stats->srvrpccnt[i] = cur_stats->srvrpccnt[i];
1122         }
1123         total_stats->srvstartcnt = cur_stats->srvstartcnt;
1124         total_stats->srvdonecnt = cur_stats->srvdonecnt;
1125         total_stats->busytime = cur_stats->busytime;
1126
1127 }
1128
1129 /*
1130  * Print a running summary of nfs statistics for the experimental client and/or
1131  * server.
1132  * Repeat display every interval seconds, showing statistics
1133  * collected over that interval.  Assumes that interval is non-zero.
1134  * First line printed at top of screen is always cumulative.
1135  */
1136 static void
1137 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly,
1138     int newStats)
1139 {
1140         struct nfsstatsv1 nfsstats, lastst, *ext_nfsstatsp;
1141         struct nfsstatsv1 curtotal, lasttotal;
1142         struct timespec ts, lastts;
1143         int hdrcnt = 1;
1144
1145         ext_nfsstatsp = &lastst;
1146         ext_nfsstatsp->vers = NFSSTATS_V1;
1147         if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp) < 0)
1148                 err(1, "Can't get stats");
1149         clock_gettime(CLOCK_MONOTONIC, &lastts);
1150         compute_totals(&lasttotal, ext_nfsstatsp);
1151         sleep(interval);
1152
1153         for (;;) {
1154                 ext_nfsstatsp = &nfsstats;
1155                 ext_nfsstatsp->vers = NFSSTATS_V1;
1156                 if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp)
1157                     < 0)
1158                         err(1, "Can't get stats");
1159                 clock_gettime(CLOCK_MONOTONIC, &ts);
1160
1161                 if (--hdrcnt == 0) {
1162                         printhdr(clientOnly, serverOnly, newStats);
1163                         if (newStats)
1164                                 hdrcnt = 20;
1165                         else if (clientOnly && serverOnly)
1166                                 hdrcnt = 10;
1167                         else
1168                                 hdrcnt = 20;
1169                 }
1170                 if (clientOnly && newStats == 0) {
1171                     printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
1172                         ((clientOnly && serverOnly) ? "Client:" : ""),
1173                         (uintmax_t)DELTA(rpccnt[NFSPROC_GETATTR]),
1174                         (uintmax_t)DELTA(rpccnt[NFSPROC_LOOKUP]),
1175                         (uintmax_t)DELTA(rpccnt[NFSPROC_READLINK]),
1176                         (uintmax_t)DELTA(rpccnt[NFSPROC_READ]),
1177                         (uintmax_t)DELTA(rpccnt[NFSPROC_WRITE]),
1178                         (uintmax_t)DELTA(rpccnt[NFSPROC_RENAME]),
1179                         (uintmax_t)DELTA(rpccnt[NFSPROC_ACCESS]),
1180                         (uintmax_t)(DELTA(rpccnt[NFSPROC_READDIR]) +
1181                         DELTA(rpccnt[NFSPROC_READDIRPLUS]))
1182                     );
1183                     if (widemode) {
1184                             printf(" %s %s %s %s %s %s",
1185                                 sperc1(DELTA(attrcache_hits),
1186                                     DELTA(attrcache_misses)),
1187                                 sperc1(DELTA(lookupcache_hits), 
1188                                     DELTA(lookupcache_misses)),
1189                                 sperc2(DELTA(biocache_reads),
1190                                     DELTA(read_bios)),
1191                                 sperc2(DELTA(biocache_writes),
1192                                     DELTA(write_bios)),
1193                                 sperc1(DELTA(accesscache_hits),
1194                                     DELTA(accesscache_misses)),
1195                                 sperc2(DELTA(biocache_readdirs),
1196                                     DELTA(readdir_bios))
1197                             );
1198                     }
1199                     printf("\n");
1200                 }
1201
1202                 if (serverOnly && newStats) {
1203                         long double cur_secs, last_secs, etime;
1204                         long double mbsec;
1205                         long double kb_per_transfer;
1206                         long double transfers_per_second;
1207                         long double ms_per_transfer;
1208                         uint64_t queue_len;
1209                         long double busy_pct;
1210                         int i;
1211
1212                         cur_secs = ts.tv_sec +
1213                             ((long double)ts.tv_nsec / 1000000000);
1214                         last_secs = lastts.tv_sec +
1215                             ((long double)lastts.tv_nsec / 1000000000);
1216                         etime = cur_secs - last_secs;
1217
1218                         compute_totals(&curtotal, &nfsstats);
1219
1220                         for (i = 0; i < NUM_STAT_TYPES; i++) {
1221                                 compute_new_stats(&nfsstats, &lastst,
1222                                     STAT_TYPE_TO_NFS(i), etime, &mbsec,
1223                                     &kb_per_transfer,
1224                                     &transfers_per_second,
1225                                     &ms_per_transfer, &queue_len,
1226                                     &busy_pct);
1227
1228                                 if (i == STAT_TYPE_COMMIT) {
1229                                         if (widemode == 0)
1230                                                 continue;
1231
1232                                         printf("%2.0Lf %7.2Lf ",
1233                                             transfers_per_second,
1234                                             ms_per_transfer);
1235                                 } else {
1236                                         printf("%5.2Lf %5.0Lf %7.2Lf ",
1237                                             kb_per_transfer,
1238                                             transfers_per_second, mbsec);
1239                                         if (widemode)
1240                                                 printf("%5.2Lf ",
1241                                                     ms_per_transfer);
1242                                 }
1243                         }
1244
1245                         compute_new_stats(&curtotal, &lasttotal, 0, etime,
1246                             &mbsec, &kb_per_transfer, &transfers_per_second,
1247                             &ms_per_transfer, &queue_len, &busy_pct);
1248
1249                         printf("%5.2Lf %5.0Lf %7.2Lf %5.2Lf %3ju %3.0Lf\n",
1250                             kb_per_transfer, transfers_per_second, mbsec,
1251                             ms_per_transfer, queue_len, busy_pct);
1252                 } else if (serverOnly) {
1253                     printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
1254                         ((clientOnly && serverOnly) ? "Server:" : ""),
1255                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_GETATTR]),
1256                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_LOOKUP]),
1257                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_READLINK]),
1258                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_READ]),
1259                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_WRITE]),
1260                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_RENAME]),
1261                         (uintmax_t)DELTA(srvrpccnt[NFSV4OP_ACCESS]),
1262                         (uintmax_t)(DELTA(srvrpccnt[NFSV4OP_READDIR]) +
1263                         DELTA(srvrpccnt[NFSV4OP_READDIRPLUS])));
1264                     printf("\n");
1265                 }
1266                 bcopy(&nfsstats, &lastst, sizeof(lastst));
1267                 bcopy(&curtotal, &lasttotal, sizeof(lasttotal));
1268                 lastts = ts;
1269                 fflush(stdout);
1270                 sleep(interval);
1271         }
1272         /*NOTREACHED*/
1273 }