nfsstat.c revision 261512
1/*
2 * Copyright (c) 1983, 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef lint
34static const char copyright[] =
35"@(#) Copyright (c) 1983, 1989, 1993\n\
36	The Regents of the University of California.  All rights reserved.\n";
37#endif /* not lint */
38
39#ifndef lint
40#if 0
41static char sccsid[] = "@(#)nfsstat.c	8.2 (Berkeley) 3/31/95";
42#endif
43static const char rcsid[] =
44  "$FreeBSD: head/usr.bin/nfsstat/nfsstat.c 261512 2014-02-05 14:33:22Z jhb $";
45#endif /* not lint */
46
47#include <sys/param.h>
48#include <sys/module.h>
49#include <sys/mount.h>
50#include <sys/time.h>
51#include <sys/sysctl.h>
52#include <nfs/nfsproto.h>
53#include <nfsclient/nfs.h>
54#include <nfsserver/nfs.h>
55#include <nfs/nfssvc.h>
56
57#include <fs/nfs/nfsport.h>
58
59#include <signal.h>
60#include <fcntl.h>
61#include <ctype.h>
62#include <errno.h>
63#include <kvm.h>
64#include <limits.h>
65#include <nlist.h>
66#include <unistd.h>
67#include <stdio.h>
68#include <stdlib.h>
69#include <string.h>
70#include <paths.h>
71#include <err.h>
72
73struct nlist nl[] = {
74#define	N_NFSSTAT	0
75	{ .n_name = "nfsstats" },
76#define	N_NFSRVSTAT	1
77	{ .n_name = "nfsrvstats" },
78	{ .n_name = NULL },
79};
80kvm_t *kd;
81
82static int deadkernel = 0;
83static int widemode = 0;
84static int zflag = 0;
85static int run_v4 = 1;
86static int printtitle = 1;
87static struct ext_nfsstats ext_nfsstats;
88static int extra_output = 0;
89
90void intpr(int, int);
91void printhdr(int, int);
92void sidewaysintpr(u_int, int, int);
93void usage(void);
94char *sperc1(int, int);
95char *sperc2(int, int);
96void exp_intpr(int, int);
97void exp_sidewaysintpr(u_int, int, int);
98
99#define DELTA(field)	(nfsstats.field - lastst.field)
100
101int
102main(int argc, char **argv)
103{
104	u_int interval;
105	int clientOnly = -1;
106	int serverOnly = -1;
107	int ch;
108	char *memf, *nlistf;
109	char errbuf[_POSIX2_LINE_MAX];
110	int mntlen, i;
111	char buf[1024];
112	struct statfs *mntbuf;
113	struct nfscl_dumpmntopts dumpmntopts;
114
115	interval = 0;
116	memf = nlistf = NULL;
117	while ((ch = getopt(argc, argv, "cesWM:mN:ow:z")) != -1)
118		switch(ch) {
119		case 'M':
120			memf = optarg;
121			break;
122		case 'm':
123			/* Display mount options for NFS mount points. */
124			mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
125			for (i = 0; i < mntlen; i++) {
126				if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
127					dumpmntopts.ndmnt_fname =
128					    mntbuf->f_mntonname;
129					dumpmntopts.ndmnt_buf = buf;
130					dumpmntopts.ndmnt_blen = sizeof(buf);
131					if (nfssvc(NFSSVC_DUMPMNTOPTS,
132					    &dumpmntopts) >= 0)
133						printf("%s on %s\n%s\n",
134						    mntbuf->f_mntfromname,
135						    mntbuf->f_mntonname, buf);
136					else if (errno == EPERM)
137						errx(1, "Only priviledged users"
138						    " can use the -m option");
139				}
140				mntbuf++;
141			}
142			exit(0);
143		case 'N':
144			nlistf = optarg;
145			break;
146		case 'W':
147			widemode = 1;
148			break;
149		case 'w':
150			interval = atoi(optarg);
151			break;
152		case 'c':
153			clientOnly = 1;
154			if (serverOnly < 0)
155				serverOnly = 0;
156			break;
157		case 's':
158			serverOnly = 1;
159			if (clientOnly < 0)
160				clientOnly = 0;
161			break;
162		case 'z':
163			zflag = 1;
164			break;
165		case 'o':
166			if (extra_output != 0)
167				err(1, "-o incompatible with -e");
168			run_v4 = 0;
169			break;
170		case 'e':
171			if (run_v4 == 0)
172				err(1, "-e incompatible with -o");
173			extra_output = 1;
174			break;
175		case '?':
176		default:
177			usage();
178		}
179	argc -= optind;
180	argv += optind;
181
182#define	BACKWARD_COMPATIBILITY
183#ifdef	BACKWARD_COMPATIBILITY
184	if (*argv) {
185		interval = atoi(*argv);
186		if (*++argv) {
187			nlistf = *argv;
188			if (*++argv)
189				memf = *argv;
190		}
191	}
192#endif
193	if (run_v4 != 0 && modfind("nfscommon") < 0)
194		errx(1, "new client/server not loaded");
195
196	if (run_v4 == 0 && (nlistf != NULL || memf != NULL)) {
197		deadkernel = 1;
198
199		if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
200					errbuf)) == 0) {
201			errx(1, "kvm_openfiles: %s", errbuf);
202		}
203		if (kvm_nlist(kd, nl) != 0) {
204			errx(1, "kvm_nlist: can't get names");
205		}
206	}
207
208	if (interval) {
209		if (run_v4 > 0)
210			exp_sidewaysintpr(interval, clientOnly, serverOnly);
211		else
212			sidewaysintpr(interval, clientOnly, serverOnly);
213	} else {
214		if (extra_output != 0)
215			exp_intpr(clientOnly, serverOnly);
216		else
217			intpr(clientOnly, serverOnly);
218	}
219	exit(0);
220}
221
222/*
223 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
224 * for dead ones.
225 */
226static void
227readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
228{
229	union {
230		struct nfsstats client;
231		struct nfsrvstats server;
232	} zerostat;
233	size_t buflen;
234
235	if (deadkernel) {
236		if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
237		    *stp, sizeof(struct nfsstats)) < 0) {
238			*stp = NULL;
239		}
240		if (*srvstp != NULL && kvm_read(kd,
241		    (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
242		    sizeof(struct nfsrvstats)) < 0) {
243			*srvstp = NULL;
244		}
245	} else {
246		if (zero)
247			bzero(&zerostat, sizeof(zerostat));
248		buflen = sizeof(struct nfsstats);
249		if (*stp != NULL && sysctlbyname("vfs.oldnfs.nfsstats", *stp,
250		    &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
251			if (errno != ENOENT)
252				err(1, "sysctl: vfs.oldnfs.nfsstats");
253			*stp = NULL;
254		}
255		buflen = sizeof(struct nfsrvstats);
256		if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
257		    *srvstp, &buflen, zero ? &zerostat : NULL,
258		    zero ? buflen : 0) < 0) {
259			if (errno != ENOENT)
260				err(1, "sysctl: vfs.nfsrv.nfsrvstats");
261			*srvstp = NULL;
262		}
263	}
264}
265
266/*
267 * Print a description of the nfs stats.
268 */
269void
270intpr(int clientOnly, int serverOnly)
271{
272	struct nfsstats nfsstats, *nfsstatsp;
273	struct nfsrvstats nfsrvstats, *nfsrvstatsp;
274	int nfssvc_flag;
275
276	if (run_v4 == 0) {
277		/*
278		 * Only read the stats we are going to display to avoid zeroing
279		 * stats the user didn't request.
280		 */
281		if (clientOnly)
282			nfsstatsp = &nfsstats;
283		else
284			nfsstatsp = NULL;
285		if (serverOnly)
286			nfsrvstatsp = &nfsrvstats;
287		else
288			nfsrvstatsp = NULL;
289
290		readstats(&nfsstatsp, &nfsrvstatsp, zflag);
291
292		if (clientOnly && !nfsstatsp) {
293			printf("Client not present!\n");
294			clientOnly = 0;
295		}
296	} else {
297		nfssvc_flag = NFSSVC_GETSTATS;
298		if (zflag != 0) {
299			if (clientOnly != 0)
300				nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
301			if (serverOnly != 0)
302				nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
303		}
304		if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
305			err(1, "Can't get stats");
306	}
307	if (clientOnly) {
308		printf("Client Info:\n");
309		printf("Rpc Counts:\n");
310		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
311			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
312			"Write", "Create", "Remove");
313		if (run_v4 == 0)
314			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
315				nfsstats.rpccnt[NFSPROC_GETATTR],
316				nfsstats.rpccnt[NFSPROC_SETATTR],
317				nfsstats.rpccnt[NFSPROC_LOOKUP],
318				nfsstats.rpccnt[NFSPROC_READLINK],
319				nfsstats.rpccnt[NFSPROC_READ],
320				nfsstats.rpccnt[NFSPROC_WRITE],
321				nfsstats.rpccnt[NFSPROC_CREATE],
322				nfsstats.rpccnt[NFSPROC_REMOVE]);
323		else
324			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
325				ext_nfsstats.rpccnt[NFSPROC_GETATTR],
326				ext_nfsstats.rpccnt[NFSPROC_SETATTR],
327				ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
328				ext_nfsstats.rpccnt[NFSPROC_READLINK],
329				ext_nfsstats.rpccnt[NFSPROC_READ],
330				ext_nfsstats.rpccnt[NFSPROC_WRITE],
331				ext_nfsstats.rpccnt[NFSPROC_CREATE],
332				ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
333		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
334			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
335			"Readdir", "RdirPlus", "Access");
336		if (run_v4 == 0)
337			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
338				nfsstats.rpccnt[NFSPROC_RENAME],
339				nfsstats.rpccnt[NFSPROC_LINK],
340				nfsstats.rpccnt[NFSPROC_SYMLINK],
341				nfsstats.rpccnt[NFSPROC_MKDIR],
342				nfsstats.rpccnt[NFSPROC_RMDIR],
343				nfsstats.rpccnt[NFSPROC_READDIR],
344				nfsstats.rpccnt[NFSPROC_READDIRPLUS],
345				nfsstats.rpccnt[NFSPROC_ACCESS]);
346		else
347			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
348				ext_nfsstats.rpccnt[NFSPROC_RENAME],
349				ext_nfsstats.rpccnt[NFSPROC_LINK],
350				ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
351				ext_nfsstats.rpccnt[NFSPROC_MKDIR],
352				ext_nfsstats.rpccnt[NFSPROC_RMDIR],
353				ext_nfsstats.rpccnt[NFSPROC_READDIR],
354				ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
355				ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
356		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
357			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
358		if (run_v4 == 0)
359			printf("%9d %9d %9d %9d %9d\n",
360				nfsstats.rpccnt[NFSPROC_MKNOD],
361				nfsstats.rpccnt[NFSPROC_FSSTAT],
362				nfsstats.rpccnt[NFSPROC_FSINFO],
363				nfsstats.rpccnt[NFSPROC_PATHCONF],
364				nfsstats.rpccnt[NFSPROC_COMMIT]);
365		else
366			printf("%9d %9d %9d %9d %9d\n",
367				ext_nfsstats.rpccnt[NFSPROC_MKNOD],
368				ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
369				ext_nfsstats.rpccnt[NFSPROC_FSINFO],
370				ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
371				ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
372		printf("Rpc Info:\n");
373		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
374			"TimedOut", "Invalid", "X Replies", "Retries",
375			"Requests");
376		if (run_v4 == 0)
377			printf("%9d %9d %9d %9d %9d\n",
378				nfsstats.rpctimeouts,
379				nfsstats.rpcinvalid,
380				nfsstats.rpcunexpected,
381				nfsstats.rpcretries,
382				nfsstats.rpcrequests);
383		else
384			printf("%9d %9d %9d %9d %9d\n",
385				ext_nfsstats.rpctimeouts,
386				ext_nfsstats.rpcinvalid,
387				ext_nfsstats.rpcunexpected,
388				ext_nfsstats.rpcretries,
389				ext_nfsstats.rpcrequests);
390		printf("Cache Info:\n");
391		printf("%9.9s %9.9s %9.9s %9.9s",
392			"Attr Hits", "Misses", "Lkup Hits", "Misses");
393		printf(" %9.9s %9.9s %9.9s %9.9s\n",
394			"BioR Hits", "Misses", "BioW Hits", "Misses");
395		if (run_v4 == 0) {
396			printf("%9d %9d %9d %9d",
397				nfsstats.attrcache_hits,
398				nfsstats.attrcache_misses,
399				nfsstats.lookupcache_hits,
400				nfsstats.lookupcache_misses);
401			printf(" %9d %9d %9d %9d\n",
402				nfsstats.biocache_reads-nfsstats.read_bios,
403				nfsstats.read_bios,
404				nfsstats.biocache_writes-nfsstats.write_bios,
405				nfsstats.write_bios);
406		} else {
407			printf("%9d %9d %9d %9d",
408				ext_nfsstats.attrcache_hits,
409				ext_nfsstats.attrcache_misses,
410				ext_nfsstats.lookupcache_hits,
411				ext_nfsstats.lookupcache_misses);
412			printf(" %9d %9d %9d %9d\n",
413				ext_nfsstats.biocache_reads -
414				ext_nfsstats.read_bios,
415				ext_nfsstats.read_bios,
416				ext_nfsstats.biocache_writes -
417				ext_nfsstats.write_bios,
418				ext_nfsstats.write_bios);
419		}
420		printf("%9.9s %9.9s %9.9s %9.9s",
421			"BioRLHits", "Misses", "BioD Hits", "Misses");
422		printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
423		if (run_v4 == 0) {
424			printf("%9d %9d %9d %9d",
425				nfsstats.biocache_readlinks -
426				nfsstats.readlink_bios,
427				nfsstats.readlink_bios,
428				nfsstats.biocache_readdirs -
429				nfsstats.readdir_bios,
430				nfsstats.readdir_bios);
431			printf(" %9d %9d %9d %9d\n",
432				nfsstats.direofcache_hits,
433				nfsstats.direofcache_misses,
434				nfsstats.accesscache_hits,
435				nfsstats.accesscache_misses);
436		} else {
437			printf("%9d %9d %9d %9d",
438				ext_nfsstats.biocache_readlinks -
439				ext_nfsstats.readlink_bios,
440				ext_nfsstats.readlink_bios,
441				ext_nfsstats.biocache_readdirs -
442				ext_nfsstats.readdir_bios,
443				ext_nfsstats.readdir_bios);
444			printf(" %9d %9d %9d %9d\n",
445				ext_nfsstats.direofcache_hits,
446				ext_nfsstats.direofcache_misses,
447				ext_nfsstats.accesscache_hits,
448				ext_nfsstats.accesscache_misses);
449		}
450	}
451	if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
452		printf("Server not present!\n");
453		serverOnly = 0;
454	}
455	if (serverOnly) {
456		printf("\nServer Info:\n");
457		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
458			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
459			"Write", "Create", "Remove");
460		if (run_v4 == 0)
461			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
462				nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
463				nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
464				nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
465				nfsrvstats.srvrpccnt[NFSPROC_READLINK],
466				nfsrvstats.srvrpccnt[NFSPROC_READ],
467				nfsrvstats.srvrpccnt[NFSPROC_WRITE],
468				nfsrvstats.srvrpccnt[NFSPROC_CREATE],
469				nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
470		else
471			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
472				ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
473				ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
474				ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
475				ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
476				ext_nfsstats.srvrpccnt[NFSV4OP_READ],
477				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
478				ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
479				ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
480		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
481			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
482			"Readdir", "RdirPlus", "Access");
483		if (run_v4 == 0)
484			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
485				nfsrvstats.srvrpccnt[NFSPROC_RENAME],
486				nfsrvstats.srvrpccnt[NFSPROC_LINK],
487				nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
488				nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
489				nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
490				nfsrvstats.srvrpccnt[NFSPROC_READDIR],
491				nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
492				nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
493		else
494			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
495				ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
496				ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
497				ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
498				ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
499				ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
500				ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
501				ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
502				ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
503		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
504			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
505		if (run_v4 == 0)
506			printf("%9d %9d %9d %9d %9d\n",
507				nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
508				nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
509				nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
510				nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
511				nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
512		else
513			printf("%9d %9d %9d %9d %9d\n",
514				ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
515				ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
516				ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
517				ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
518				ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
519		printf("Server Ret-Failed\n");
520		if (run_v4 == 0)
521			printf("%17d\n", nfsrvstats.srvrpc_errs);
522		else
523			printf("%17d\n", ext_nfsstats.srvrpc_errs);
524		printf("Server Faults\n");
525		if (run_v4 == 0)
526			printf("%13d\n", nfsrvstats.srv_errs);
527		else
528			printf("%13d\n", ext_nfsstats.srv_errs);
529		printf("Server Cache Stats:\n");
530		printf("%9.9s %9.9s %9.9s %9.9s\n",
531			"Inprog", "Idem", "Non-idem", "Misses");
532		if (run_v4 == 0)
533			printf("%9d %9d %9d %9d\n",
534				nfsrvstats.srvcache_inproghits,
535				nfsrvstats.srvcache_idemdonehits,
536				nfsrvstats.srvcache_nonidemdonehits,
537				nfsrvstats.srvcache_misses);
538		else
539			printf("%9d %9d %9d %9d\n",
540				ext_nfsstats.srvcache_inproghits,
541				ext_nfsstats.srvcache_idemdonehits,
542				ext_nfsstats.srvcache_nonidemdonehits,
543				ext_nfsstats.srvcache_misses);
544		printf("Server Write Gathering:\n");
545		printf("%9.9s %9.9s %9.9s\n",
546			"WriteOps", "WriteRPC", "Opsaved");
547		if (run_v4 == 0)
548			printf("%9d %9d %9d\n",
549				nfsrvstats.srvvop_writes,
550				nfsrvstats.srvrpccnt[NFSPROC_WRITE],
551				nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
552				    nfsrvstats.srvvop_writes);
553		else
554			/*
555			 * The new client doesn't do write gathering. It was
556			 * only useful for NFSv2.
557			 */
558			printf("%9d %9d %9d\n",
559				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
560				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
561	}
562}
563
564u_char	signalled;			/* set if alarm goes off "early" */
565
566/*
567 * Print a running summary of nfs statistics.
568 * Repeat display every interval seconds, showing statistics
569 * collected over that interval.  Assumes that interval is non-zero.
570 * First line printed at top of screen is always cumulative.
571 */
572void
573sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
574{
575	struct nfsstats nfsstats, lastst, *nfsstatsp;
576	struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
577	int hdrcnt = 1;
578
579	nfsstatsp = &lastst;
580	nfsrvstatsp = &lastsrvst;
581	readstats(&nfsstatsp, &nfsrvstatsp, 0);
582	if (clientOnly && !nfsstatsp) {
583		printf("Client not present!\n");
584		clientOnly = 0;
585	}
586	if (serverOnly && !nfsrvstatsp) {
587		printf("Server not present!\n");
588		serverOnly = 0;
589	}
590	sleep(interval);
591
592	for (;;) {
593		nfsstatsp = &nfsstats;
594		nfsrvstatsp = &nfsrvstats;
595		readstats(&nfsstatsp, &nfsrvstatsp, 0);
596
597		if (--hdrcnt == 0) {
598			printhdr(clientOnly, serverOnly);
599			if (clientOnly && serverOnly)
600				hdrcnt = 10;
601			else
602				hdrcnt = 20;
603		}
604		if (clientOnly) {
605		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
606			((clientOnly && serverOnly) ? "Client:" : ""),
607			DELTA(rpccnt[NFSPROC_GETATTR]),
608			DELTA(rpccnt[NFSPROC_LOOKUP]),
609			DELTA(rpccnt[NFSPROC_READLINK]),
610			DELTA(rpccnt[NFSPROC_READ]),
611			DELTA(rpccnt[NFSPROC_WRITE]),
612			DELTA(rpccnt[NFSPROC_RENAME]),
613			DELTA(rpccnt[NFSPROC_ACCESS]),
614			DELTA(rpccnt[NFSPROC_READDIR]) +
615			DELTA(rpccnt[NFSPROC_READDIRPLUS])
616		    );
617		    if (widemode) {
618			    printf(" %s %s %s %s %s %s",
619				sperc1(DELTA(attrcache_hits),
620				    DELTA(attrcache_misses)),
621				sperc1(DELTA(lookupcache_hits),
622				    DELTA(lookupcache_misses)),
623				sperc2(DELTA(biocache_reads),
624				    DELTA(read_bios)),
625				sperc2(DELTA(biocache_writes),
626				    DELTA(write_bios)),
627				sperc1(DELTA(accesscache_hits),
628				    DELTA(accesscache_misses)),
629				sperc2(DELTA(biocache_readdirs),
630				    DELTA(readdir_bios))
631			    );
632		    }
633		    printf("\n");
634		    lastst = nfsstats;
635		}
636		if (serverOnly) {
637		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
638			((clientOnly && serverOnly) ? "Server:" : ""),
639			nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
640			nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
641			nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
642			nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
643			nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
644			nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
645			nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
646			(nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
647			+(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
648		    printf("\n");
649		    lastsrvst = nfsrvstats;
650		}
651		fflush(stdout);
652		sleep(interval);
653	}
654	/*NOTREACHED*/
655}
656
657void
658printhdr(int clientOnly, int serverOnly)
659{
660	printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
661	    ((serverOnly && clientOnly) ? "        " : " "),
662	    "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
663	    "Access", "Rddir");
664	if (widemode && clientOnly) {
665		printf(" Attr Lkup BioR BioW Accs BioD");
666	}
667	printf("\n");
668	fflush(stdout);
669}
670
671void
672usage(void)
673{
674	(void)fprintf(stderr,
675	    "usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
676	exit(1);
677}
678
679static char SPBuf[64][8];
680static int SPIndex;
681
682char *
683sperc1(int hits, int misses)
684{
685	char *p = SPBuf[SPIndex];
686
687	if (hits + misses) {
688		sprintf(p, "%3d%%",
689		    (int)(char)((quad_t)hits * 100 / (hits + misses)));
690	} else {
691		sprintf(p, "   -");
692	}
693	SPIndex = (SPIndex + 1) & 63;
694	return(p);
695}
696
697char *
698sperc2(int ttl, int misses)
699{
700	char *p = SPBuf[SPIndex];
701
702	if (ttl) {
703		sprintf(p, "%3d%%",
704		    (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
705	} else {
706		sprintf(p, "   -");
707	}
708	SPIndex = (SPIndex + 1) & 63;
709	return(p);
710}
711
712/*
713 * Print a description of the nfs stats for the experimental client/server.
714 */
715void
716exp_intpr(int clientOnly, int serverOnly)
717{
718	int nfssvc_flag;
719
720	nfssvc_flag = NFSSVC_GETSTATS;
721	if (zflag != 0) {
722		if (clientOnly != 0)
723			nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
724		if (serverOnly != 0)
725			nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
726	}
727	if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
728		err(1, "Can't get stats");
729	if (clientOnly != 0) {
730		if (printtitle) {
731			printf("Client Info:\n");
732			printf("Rpc Counts:\n");
733			printf(
734			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
735			    , "Getattr", "Setattr", "Lookup", "Readlink",
736			    "Read", "Write", "Create", "Remove");
737		}
738		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
739		    ext_nfsstats.rpccnt[NFSPROC_GETATTR],
740		    ext_nfsstats.rpccnt[NFSPROC_SETATTR],
741		    ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
742		    ext_nfsstats.rpccnt[NFSPROC_READLINK],
743		    ext_nfsstats.rpccnt[NFSPROC_READ],
744		    ext_nfsstats.rpccnt[NFSPROC_WRITE],
745		    ext_nfsstats.rpccnt[NFSPROC_CREATE],
746		    ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
747		if (printtitle)
748			printf(
749			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
750			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
751			    "Readdir", "RdirPlus", "Access");
752		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
753		    ext_nfsstats.rpccnt[NFSPROC_RENAME],
754		    ext_nfsstats.rpccnt[NFSPROC_LINK],
755		    ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
756		    ext_nfsstats.rpccnt[NFSPROC_MKDIR],
757		    ext_nfsstats.rpccnt[NFSPROC_RMDIR],
758		    ext_nfsstats.rpccnt[NFSPROC_READDIR],
759		    ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
760		    ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
761		if (printtitle)
762			printf(
763			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
764			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
765			    "Commit", "SetClId", "SetClIdCf", "Lock");
766		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
767		    ext_nfsstats.rpccnt[NFSPROC_MKNOD],
768		    ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
769		    ext_nfsstats.rpccnt[NFSPROC_FSINFO],
770		    ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
771		    ext_nfsstats.rpccnt[NFSPROC_COMMIT],
772		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
773		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
774		    ext_nfsstats.rpccnt[NFSPROC_LOCK]);
775		if (printtitle)
776			printf("%9.9s %9.9s %9.9s %9.9s\n",
777			    "LockT", "LockU", "Open", "OpenCfr");
778		printf("%9d %9d %9d %9d\n",
779		    ext_nfsstats.rpccnt[NFSPROC_LOCKT],
780		    ext_nfsstats.rpccnt[NFSPROC_LOCKU],
781		    ext_nfsstats.rpccnt[NFSPROC_OPEN],
782		    ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
783		if (printtitle)
784			printf(
785			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
786			    , "OpenOwner", "Opens", "LockOwner",
787			    "Locks", "Delegs", "LocalOwn",
788			    "LocalOpen", "LocalLOwn");
789		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
790		    ext_nfsstats.clopenowners,
791		    ext_nfsstats.clopens,
792		    ext_nfsstats.cllockowners,
793		    ext_nfsstats.cllocks,
794		    ext_nfsstats.cldelegates,
795		    ext_nfsstats.cllocalopenowners,
796		    ext_nfsstats.cllocalopens,
797		    ext_nfsstats.cllocallockowners);
798		if (printtitle)
799			printf("%9.9s\n", "LocalLock");
800		printf("%9d\n", ext_nfsstats.cllocallocks);
801		if (printtitle) {
802			printf("Rpc Info:\n");
803			printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
804			    "TimedOut", "Invalid", "X Replies", "Retries",
805			    "Requests");
806		}
807		printf("%9d %9d %9d %9d %9d\n",
808		    ext_nfsstats.rpctimeouts,
809		    ext_nfsstats.rpcinvalid,
810		    ext_nfsstats.rpcunexpected,
811		    ext_nfsstats.rpcretries,
812		    ext_nfsstats.rpcrequests);
813		if (printtitle) {
814			printf("Cache Info:\n");
815			printf("%9.9s %9.9s %9.9s %9.9s",
816			    "Attr Hits", "Misses", "Lkup Hits", "Misses");
817			printf(" %9.9s %9.9s %9.9s %9.9s\n",
818			    "BioR Hits", "Misses", "BioW Hits", "Misses");
819		}
820		printf("%9d %9d %9d %9d",
821		    ext_nfsstats.attrcache_hits,
822		    ext_nfsstats.attrcache_misses,
823		    ext_nfsstats.lookupcache_hits,
824		    ext_nfsstats.lookupcache_misses);
825		printf(" %9d %9d %9d %9d\n",
826		    ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
827		    ext_nfsstats.read_bios,
828		    ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
829		    ext_nfsstats.write_bios);
830		if (printtitle) {
831			printf("%9.9s %9.9s %9.9s %9.9s",
832			    "BioRLHits", "Misses", "BioD Hits", "Misses");
833			printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
834		}
835		printf("%9d %9d %9d %9d",
836		    ext_nfsstats.biocache_readlinks -
837		    ext_nfsstats.readlink_bios,
838		    ext_nfsstats.readlink_bios,
839		    ext_nfsstats.biocache_readdirs -
840		    ext_nfsstats.readdir_bios,
841		    ext_nfsstats.readdir_bios);
842		printf(" %9d %9d\n",
843		    ext_nfsstats.direofcache_hits,
844		    ext_nfsstats.direofcache_misses);
845	}
846	if (serverOnly != 0) {
847		if (printtitle) {
848			printf("\nServer Info:\n");
849			printf(
850			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
851			    , "Getattr", "Setattr", "Lookup", "Readlink",
852			    "Read", "Write", "Create", "Remove");
853		}
854		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
855		    ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
856		    ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
857		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
858		    ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
859		    ext_nfsstats.srvrpccnt[NFSV4OP_READ],
860		    ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
861		    ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
862		    ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
863		if (printtitle)
864			printf(
865			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
866			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
867			    "Readdir", "RdirPlus", "Access");
868		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
869		    ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
870		    ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
871		    ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
872		    ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
873		    ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
874		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
875		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
876		    ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
877		if (printtitle)
878			printf(
879			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
880			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
881			    "Commit", "LookupP", "SetClId", "SetClIdCf");
882		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
883		    ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
884		    ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
885		    ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
886		    ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
887		    ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
888		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
889		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
890		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
891		if (printtitle)
892			printf(
893			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
894			    , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
895			    "DelePurge", "DeleRet", "GetFH", "Lock");
896		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
897		    ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
898		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
899		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
900		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
901		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
902		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
903		    ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
904		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
905		if (printtitle)
906			printf(
907			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
908			    , "LockT", "LockU", "Close", "Verify", "NVerify",
909			    "PutFH", "PutPubFH", "PutRootFH");
910		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
911		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
912		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
913		    ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
914		    ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
915		    ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
916		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
917		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
918		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
919		if (printtitle)
920			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
921			    "Renew", "RestoreFH", "SaveFH", "Secinfo",
922			    "RelLckOwn", "V4Create");
923		printf("%9d %9d %9d %9d %9d %9d\n",
924		    ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
925		    ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
926		    ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
927		    ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
928		    ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
929		    ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
930		if (printtitle) {
931			printf("Server:\n");
932			printf("%9.9s %9.9s %9.9s\n",
933			    "Retfailed", "Faults", "Clients");
934		}
935		printf("%9d %9d %9d\n",
936		    ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
937		    ext_nfsstats.srvclients);
938		if (printtitle)
939			printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
940			    "OpenOwner", "Opens", "LockOwner",
941			    "Locks", "Delegs");
942		printf("%9d %9d %9d %9d %9d \n",
943		    ext_nfsstats.srvopenowners,
944		    ext_nfsstats.srvopens,
945		    ext_nfsstats.srvlockowners,
946		    ext_nfsstats.srvlocks,
947		    ext_nfsstats.srvdelegates);
948		if (printtitle) {
949			printf("Server Cache Stats:\n");
950			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
951			    "Inprog", "Idem", "Non-idem", "Misses",
952			    "CacheSize", "TCPPeak");
953		}
954		printf("%9d %9d %9d %9d %9d %9d\n",
955		    ext_nfsstats.srvcache_inproghits,
956		    ext_nfsstats.srvcache_idemdonehits,
957		    ext_nfsstats.srvcache_nonidemdonehits,
958		    ext_nfsstats.srvcache_misses,
959		    ext_nfsstats.srvcache_size,
960		    ext_nfsstats.srvcache_tcppeak);
961	}
962}
963
964/*
965 * Print a running summary of nfs statistics for the experimental client and/or
966 * server.
967 * Repeat display every interval seconds, showing statistics
968 * collected over that interval.  Assumes that interval is non-zero.
969 * First line printed at top of screen is always cumulative.
970 */
971void
972exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
973{
974	struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
975	int hdrcnt = 1;
976
977	ext_nfsstatsp = &lastst;
978	if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
979		err(1, "Can't get stats");
980	sleep(interval);
981
982	for (;;) {
983		ext_nfsstatsp = &nfsstats;
984		if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
985			err(1, "Can't get stats");
986
987		if (--hdrcnt == 0) {
988			printhdr(clientOnly, serverOnly);
989			if (clientOnly && serverOnly)
990				hdrcnt = 10;
991			else
992				hdrcnt = 20;
993		}
994		if (clientOnly) {
995		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
996			((clientOnly && serverOnly) ? "Client:" : ""),
997			DELTA(rpccnt[NFSPROC_GETATTR]),
998			DELTA(rpccnt[NFSPROC_LOOKUP]),
999			DELTA(rpccnt[NFSPROC_READLINK]),
1000			DELTA(rpccnt[NFSPROC_READ]),
1001			DELTA(rpccnt[NFSPROC_WRITE]),
1002			DELTA(rpccnt[NFSPROC_RENAME]),
1003			DELTA(rpccnt[NFSPROC_ACCESS]),
1004			DELTA(rpccnt[NFSPROC_READDIR]) +
1005			DELTA(rpccnt[NFSPROC_READDIRPLUS])
1006		    );
1007		    if (widemode) {
1008			    printf(" %s %s %s %s %s %s",
1009				sperc1(DELTA(attrcache_hits),
1010				    DELTA(attrcache_misses)),
1011				sperc1(DELTA(lookupcache_hits),
1012				    DELTA(lookupcache_misses)),
1013				sperc2(DELTA(biocache_reads),
1014				    DELTA(read_bios)),
1015				sperc2(DELTA(biocache_writes),
1016				    DELTA(write_bios)),
1017				sperc1(DELTA(accesscache_hits),
1018				    DELTA(accesscache_misses)),
1019				sperc2(DELTA(biocache_readdirs),
1020				    DELTA(readdir_bios))
1021			    );
1022		    }
1023		    printf("\n");
1024		}
1025		if (serverOnly) {
1026		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
1027			((clientOnly && serverOnly) ? "Server:" : ""),
1028			nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
1029			lastst.srvrpccnt[NFSV4OP_GETATTR],
1030			nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
1031			lastst.srvrpccnt[NFSV4OP_LOOKUP],
1032			nfsstats.srvrpccnt[NFSV4OP_READLINK] -
1033			lastst.srvrpccnt[NFSV4OP_READLINK],
1034			nfsstats.srvrpccnt[NFSV4OP_READ] -
1035			lastst.srvrpccnt[NFSV4OP_READ],
1036			nfsstats.srvrpccnt[NFSV4OP_WRITE] -
1037			lastst.srvrpccnt[NFSV4OP_WRITE],
1038			nfsstats.srvrpccnt[NFSV4OP_RENAME] -
1039			lastst.srvrpccnt[NFSV4OP_RENAME],
1040			nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
1041			lastst.srvrpccnt[NFSV4OP_ACCESS],
1042			(nfsstats.srvrpccnt[NFSV4OP_READDIR] -
1043			 lastst.srvrpccnt[NFSV4OP_READDIR]) +
1044			(nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
1045			 lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
1046		    printf("\n");
1047		}
1048		lastst = nfsstats;
1049		fflush(stdout);
1050		sleep(interval);
1051	}
1052	/*NOTREACHED*/
1053}
1054
1055