nfsstat.c revision 220596
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 220596 2011-04-13 13:05:48Z ru $";
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 = 0;
86static int printtitle = 1;
87static struct ext_nfsstats ext_nfsstats;
88
89void intpr(int, int);
90void printhdr(int, int);
91void sidewaysintpr(u_int, int, int);
92void usage(void);
93char *sperc1(int, int);
94char *sperc2(int, int);
95void exp_intpr(int, int);
96void exp_sidewaysintpr(u_int, int, int);
97
98#define DELTA(field)	(nfsstats.field - lastst.field)
99
100int
101main(int argc, char **argv)
102{
103	u_int interval;
104	int clientOnly = -1;
105	int serverOnly = -1;
106	int ch;
107	char *memf, *nlistf;
108	char errbuf[_POSIX2_LINE_MAX];
109
110	interval = 0;
111	memf = nlistf = NULL;
112	while ((ch = getopt(argc, argv, "cesWM:N:w:z")) != -1)
113		switch(ch) {
114		case 'M':
115			memf = optarg;
116			break;
117		case 'N':
118			nlistf = optarg;
119			break;
120		case 'W':
121			widemode = 1;
122			break;
123		case 'w':
124			interval = atoi(optarg);
125			break;
126		case 'c':
127			clientOnly = 1;
128			if (serverOnly < 0)
129				serverOnly = 0;
130			break;
131		case 's':
132			serverOnly = 1;
133			if (clientOnly < 0)
134				clientOnly = 0;
135			break;
136		case 'z':
137			zflag = 1;
138			break;
139		case 'e':
140			run_v4 = 1;
141			break;
142		case '?':
143		default:
144			usage();
145		}
146	argc -= optind;
147	argv += optind;
148
149#define	BACKWARD_COMPATIBILITY
150#ifdef	BACKWARD_COMPATIBILITY
151	if (*argv) {
152		interval = atoi(*argv);
153		if (*++argv) {
154			nlistf = *argv;
155			if (*++argv)
156				memf = *argv;
157		}
158	}
159#endif
160	if (run_v4 != 0 && modfind("nfscommon") < 0)
161		errx(1, "experimental client/server not loaded");
162
163	if (run_v4 != 0) {
164		if (nfssvc(NFSSVC_GETSTATS, &ext_nfsstats) < 0)
165			err(1, "Can't get stats");
166	} else if (nlistf != NULL || memf != NULL) {
167		deadkernel = 1;
168
169		if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
170					errbuf)) == 0) {
171			errx(1, "kvm_openfiles: %s", errbuf);
172		}
173		if (kvm_nlist(kd, nl) != 0) {
174			errx(1, "kvm_nlist: can't get names");
175		}
176	}
177
178	if (interval) {
179		if (run_v4 > 0)
180			exp_sidewaysintpr(interval, clientOnly, serverOnly);
181		else
182			sidewaysintpr(interval, clientOnly, serverOnly);
183	} else {
184		if (run_v4 > 0)
185			exp_intpr(clientOnly, serverOnly);
186		else
187			intpr(clientOnly, serverOnly);
188	}
189	exit(0);
190}
191
192/*
193 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
194 * for dead ones.
195 */
196static void
197readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
198{
199	union {
200		struct nfsstats client;
201		struct nfsrvstats server;
202	} zerostat;
203	size_t buflen;
204
205	if (deadkernel) {
206		if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
207		    *stp, sizeof(struct nfsstats)) < 0) {
208			*stp = NULL;
209		}
210		if (*srvstp != NULL && kvm_read(kd,
211		    (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
212		    sizeof(struct nfsrvstats)) < 0) {
213			*srvstp = NULL;
214		}
215	} else {
216		if (zero)
217			bzero(&zerostat, sizeof(zerostat));
218		buflen = sizeof(struct nfsstats);
219		if (*stp != NULL && sysctlbyname("vfs.nfs.nfsstats", *stp,
220		    &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
221			if (errno != ENOENT)
222				err(1, "sysctl: vfs.nfs.nfsstats");
223			*stp = NULL;
224		}
225		buflen = sizeof(struct nfsrvstats);
226		if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
227		    *srvstp, &buflen, zero ? &zerostat : NULL,
228		    zero ? buflen : 0) < 0) {
229			if (errno != ENOENT)
230				err(1, "sysctl: vfs.nfsrv.nfsrvstats");
231			*srvstp = NULL;
232		}
233	}
234}
235
236/*
237 * Print a description of the nfs stats.
238 */
239void
240intpr(int clientOnly, int serverOnly)
241{
242	struct nfsstats nfsstats, *nfsstatsp;
243	struct nfsrvstats nfsrvstats, *nfsrvstatsp;
244
245	/*
246	 * Only read the stats we are going to display to avoid zeroing
247	 * stats the user didn't request.
248	 */
249	if (clientOnly)
250		nfsstatsp = &nfsstats;
251	else
252		nfsstatsp = NULL;
253	if (serverOnly)
254		nfsrvstatsp = &nfsrvstats;
255	else
256		nfsrvstatsp = NULL;
257
258	readstats(&nfsstatsp, &nfsrvstatsp, zflag);
259
260	if (clientOnly && !nfsstatsp) {
261		printf("Client not present!\n");
262		clientOnly = 0;
263	}
264	if (clientOnly) {
265		printf("Client Info:\n");
266		printf("Rpc Counts:\n");
267		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
268			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
269			"Write", "Create", "Remove");
270		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
271			nfsstats.rpccnt[NFSPROC_GETATTR],
272			nfsstats.rpccnt[NFSPROC_SETATTR],
273			nfsstats.rpccnt[NFSPROC_LOOKUP],
274			nfsstats.rpccnt[NFSPROC_READLINK],
275			nfsstats.rpccnt[NFSPROC_READ],
276			nfsstats.rpccnt[NFSPROC_WRITE],
277			nfsstats.rpccnt[NFSPROC_CREATE],
278			nfsstats.rpccnt[NFSPROC_REMOVE]);
279		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
280			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
281			"Readdir", "RdirPlus", "Access");
282		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
283			nfsstats.rpccnt[NFSPROC_RENAME],
284			nfsstats.rpccnt[NFSPROC_LINK],
285			nfsstats.rpccnt[NFSPROC_SYMLINK],
286			nfsstats.rpccnt[NFSPROC_MKDIR],
287			nfsstats.rpccnt[NFSPROC_RMDIR],
288			nfsstats.rpccnt[NFSPROC_READDIR],
289			nfsstats.rpccnt[NFSPROC_READDIRPLUS],
290			nfsstats.rpccnt[NFSPROC_ACCESS]);
291		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
292			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
293		printf("%9d %9d %9d %9d %9d\n",
294			nfsstats.rpccnt[NFSPROC_MKNOD],
295			nfsstats.rpccnt[NFSPROC_FSSTAT],
296			nfsstats.rpccnt[NFSPROC_FSINFO],
297			nfsstats.rpccnt[NFSPROC_PATHCONF],
298			nfsstats.rpccnt[NFSPROC_COMMIT]);
299		printf("Rpc Info:\n");
300		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
301			"TimedOut", "Invalid", "X Replies", "Retries",
302			"Requests");
303		printf("%9d %9d %9d %9d %9d\n",
304			nfsstats.rpctimeouts,
305			nfsstats.rpcinvalid,
306			nfsstats.rpcunexpected,
307			nfsstats.rpcretries,
308			nfsstats.rpcrequests);
309		printf("Cache Info:\n");
310		printf("%9.9s %9.9s %9.9s %9.9s",
311			"Attr Hits", "Misses", "Lkup Hits", "Misses");
312		printf(" %9.9s %9.9s %9.9s %9.9s\n",
313			"BioR Hits", "Misses", "BioW Hits", "Misses");
314		printf("%9d %9d %9d %9d",
315			nfsstats.attrcache_hits, nfsstats.attrcache_misses,
316			nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
317		printf(" %9d %9d %9d %9d\n",
318			nfsstats.biocache_reads-nfsstats.read_bios,
319			nfsstats.read_bios,
320			nfsstats.biocache_writes-nfsstats.write_bios,
321			nfsstats.write_bios);
322		printf("%9.9s %9.9s %9.9s %9.9s",
323			"BioRLHits", "Misses", "BioD Hits", "Misses");
324		printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
325		printf("%9d %9d %9d %9d",
326			nfsstats.biocache_readlinks-nfsstats.readlink_bios,
327			nfsstats.readlink_bios,
328			nfsstats.biocache_readdirs-nfsstats.readdir_bios,
329			nfsstats.readdir_bios);
330		printf(" %9d %9d %9d %9d\n",
331			nfsstats.direofcache_hits, nfsstats.direofcache_misses,
332			nfsstats.accesscache_hits, nfsstats.accesscache_misses);
333	}
334	if (serverOnly && !nfsrvstatsp) {
335		printf("Server not present!\n");
336		serverOnly = 0;
337	}
338	if (serverOnly) {
339		printf("\nServer Info:\n");
340		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
341			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
342			"Write", "Create", "Remove");
343		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
344			nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
345			nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
346			nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
347			nfsrvstats.srvrpccnt[NFSPROC_READLINK],
348			nfsrvstats.srvrpccnt[NFSPROC_READ],
349			nfsrvstats.srvrpccnt[NFSPROC_WRITE],
350			nfsrvstats.srvrpccnt[NFSPROC_CREATE],
351			nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
352		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
353			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
354			"Readdir", "RdirPlus", "Access");
355		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
356			nfsrvstats.srvrpccnt[NFSPROC_RENAME],
357			nfsrvstats.srvrpccnt[NFSPROC_LINK],
358			nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
359			nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
360			nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
361			nfsrvstats.srvrpccnt[NFSPROC_READDIR],
362			nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
363			nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
364		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
365			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
366		printf("%9d %9d %9d %9d %9d\n",
367			nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
368			nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
369			nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
370			nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
371			nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
372		printf("Server Ret-Failed\n");
373		printf("%17d\n", nfsrvstats.srvrpc_errs);
374		printf("Server Faults\n");
375		printf("%13d\n", nfsrvstats.srv_errs);
376		printf("Server Cache Stats:\n");
377		printf("%9.9s %9.9s %9.9s %9.9s\n",
378			"Inprog", "Idem", "Non-idem", "Misses");
379		printf("%9d %9d %9d %9d\n",
380			nfsrvstats.srvcache_inproghits,
381			nfsrvstats.srvcache_idemdonehits,
382			nfsrvstats.srvcache_nonidemdonehits,
383			nfsrvstats.srvcache_misses);
384		printf("Server Write Gathering:\n");
385		printf("%9.9s %9.9s %9.9s\n",
386			"WriteOps", "WriteRPC", "Opsaved");
387		printf("%9d %9d %9d\n",
388			nfsrvstats.srvvop_writes,
389			nfsrvstats.srvrpccnt[NFSPROC_WRITE],
390			nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
391			    nfsrvstats.srvvop_writes);
392	}
393}
394
395u_char	signalled;			/* set if alarm goes off "early" */
396
397/*
398 * Print a running summary of nfs statistics.
399 * Repeat display every interval seconds, showing statistics
400 * collected over that interval.  Assumes that interval is non-zero.
401 * First line printed at top of screen is always cumulative.
402 */
403void
404sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
405{
406	struct nfsstats nfsstats, lastst, *nfsstatsp;
407	struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
408	int hdrcnt = 1;
409
410	nfsstatsp = &lastst;
411	nfsrvstatsp = &lastsrvst;
412	readstats(&nfsstatsp, &nfsrvstatsp, 0);
413	if (clientOnly && !nfsstatsp) {
414		printf("Client not present!\n");
415		clientOnly = 0;
416	}
417	if (serverOnly && !nfsrvstatsp) {
418		printf("Server not present!\n");
419		serverOnly = 0;
420	}
421	sleep(interval);
422
423	for (;;) {
424		nfsstatsp = &nfsstats;
425		nfsrvstatsp = &nfsrvstats;
426		readstats(&nfsstatsp, &nfsrvstatsp, 0);
427
428		if (--hdrcnt == 0) {
429			printhdr(clientOnly, serverOnly);
430			if (clientOnly && serverOnly)
431				hdrcnt = 10;
432			else
433				hdrcnt = 20;
434		}
435		if (clientOnly) {
436		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
437			((clientOnly && serverOnly) ? "Client:" : ""),
438			DELTA(attrcache_hits) + DELTA(attrcache_misses),
439			DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
440			DELTA(biocache_readlinks),
441			DELTA(biocache_reads),
442			DELTA(biocache_writes),
443			nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
444			DELTA(accesscache_hits) + DELTA(accesscache_misses),
445			DELTA(biocache_readdirs)
446		    );
447		    if (widemode) {
448			    printf(" %s %s %s %s %s %s",
449				sperc1(DELTA(attrcache_hits),
450				    DELTA(attrcache_misses)),
451				sperc1(DELTA(lookupcache_hits),
452				    DELTA(lookupcache_misses)),
453				sperc2(DELTA(biocache_reads),
454				    DELTA(read_bios)),
455				sperc2(DELTA(biocache_writes),
456				    DELTA(write_bios)),
457				sperc1(DELTA(accesscache_hits),
458				    DELTA(accesscache_misses)),
459				sperc2(DELTA(biocache_readdirs),
460				    DELTA(readdir_bios))
461			    );
462		    }
463		    printf("\n");
464		    lastst = nfsstats;
465		}
466		if (serverOnly) {
467		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
468			((clientOnly && serverOnly) ? "Server:" : ""),
469			nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
470			nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
471			nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
472			nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
473			nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
474			nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
475			nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
476			(nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
477			+(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
478		    printf("\n");
479		    lastsrvst = nfsrvstats;
480		}
481		fflush(stdout);
482		sleep(interval);
483	}
484	/*NOTREACHED*/
485}
486
487void
488printhdr(int clientOnly, int serverOnly)
489{
490	printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
491	    ((serverOnly && clientOnly) ? "        " : " "),
492	    "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
493	    "Access", "Rddir");
494	if (widemode && clientOnly) {
495		printf(" Attr Lkup BioR BioW Accs BioD");
496	}
497	printf("\n");
498	fflush(stdout);
499}
500
501void
502usage(void)
503{
504	(void)fprintf(stderr,
505	    "usage: nfsstat [-ceszW] [-M core] [-N system] [-w interval]\n");
506	exit(1);
507}
508
509static char SPBuf[64][8];
510static int SPIndex;
511
512char *
513sperc1(int hits, int misses)
514{
515	char *p = SPBuf[SPIndex];
516
517	if (hits + misses) {
518		sprintf(p, "%3d%%",
519		    (int)(char)((quad_t)hits * 100 / (hits + misses)));
520	} else {
521		sprintf(p, "   -");
522	}
523	SPIndex = (SPIndex + 1) & 63;
524	return(p);
525}
526
527char *
528sperc2(int ttl, int misses)
529{
530	char *p = SPBuf[SPIndex];
531
532	if (ttl) {
533		sprintf(p, "%3d%%",
534		    (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
535	} else {
536		sprintf(p, "   -");
537	}
538	SPIndex = (SPIndex + 1) & 63;
539	return(p);
540}
541
542/*
543 * Print a description of the nfs stats for the experimental client/server.
544 */
545void
546exp_intpr(int clientOnly, int serverOnly)
547{
548
549	if (clientOnly != 0) {
550		if (printtitle) {
551			printf("Client Info:\n");
552			printf("Rpc Counts:\n");
553			printf(
554			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
555			    , "Getattr", "Setattr", "Lookup", "Readlink",
556			    "Read", "Write", "Create", "Remove");
557		}
558		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
559		    ext_nfsstats.rpccnt[NFSPROC_GETATTR],
560		    ext_nfsstats.rpccnt[NFSPROC_SETATTR],
561		    ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
562		    ext_nfsstats.rpccnt[NFSPROC_READLINK],
563		    ext_nfsstats.rpccnt[NFSPROC_READ],
564		    ext_nfsstats.rpccnt[NFSPROC_WRITE],
565		    ext_nfsstats.rpccnt[NFSPROC_CREATE],
566		    ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
567		if (printtitle)
568			printf(
569			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
570			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
571			    "Readdir", "RdirPlus", "Access");
572		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
573		    ext_nfsstats.rpccnt[NFSPROC_RENAME],
574		    ext_nfsstats.rpccnt[NFSPROC_LINK],
575		    ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
576		    ext_nfsstats.rpccnt[NFSPROC_MKDIR],
577		    ext_nfsstats.rpccnt[NFSPROC_RMDIR],
578		    ext_nfsstats.rpccnt[NFSPROC_READDIR],
579		    ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
580		    ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
581		if (printtitle)
582			printf(
583			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
584			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
585			    "Commit", "SetClId", "SetClIdCf", "Lock");
586		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
587		    ext_nfsstats.rpccnt[NFSPROC_MKNOD],
588		    ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
589		    ext_nfsstats.rpccnt[NFSPROC_FSINFO],
590		    ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
591		    ext_nfsstats.rpccnt[NFSPROC_COMMIT],
592		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
593		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
594		    ext_nfsstats.rpccnt[NFSPROC_LOCK]);
595		if (printtitle)
596			printf("%9.9s %9.9s %9.9s %9.9s\n",
597			    "LockT", "LockU", "Open", "OpenCfr");
598		printf("%9d %9d %9d %9d\n",
599		    ext_nfsstats.rpccnt[NFSPROC_LOCKT],
600		    ext_nfsstats.rpccnt[NFSPROC_LOCKU],
601		    ext_nfsstats.rpccnt[NFSPROC_OPEN],
602		    ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
603		if (printtitle)
604			printf(
605			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
606			    , "OpenOwner", "Opens", "LockOwner",
607			    "Locks", "Delegs", "LocalOwn",
608			    "LocalOpen", "LocalLOwn");
609		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
610		    ext_nfsstats.clopenowners,
611		    ext_nfsstats.clopens,
612		    ext_nfsstats.cllockowners,
613		    ext_nfsstats.cllocks,
614		    ext_nfsstats.cldelegates,
615		    ext_nfsstats.cllocalopenowners,
616		    ext_nfsstats.cllocalopens,
617		    ext_nfsstats.cllocallockowners);
618		if (printtitle)
619			printf("%9.9s\n", "LocalLock");
620		printf("%9d\n", ext_nfsstats.cllocallocks);
621		if (printtitle) {
622			printf("Rpc Info:\n");
623			printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
624			    "TimedOut", "Invalid", "X Replies", "Retries",
625			    "Requests");
626		}
627		printf("%9d %9d %9d %9d %9d\n",
628		    ext_nfsstats.rpctimeouts,
629		    ext_nfsstats.rpcinvalid,
630		    ext_nfsstats.rpcunexpected,
631		    ext_nfsstats.rpcretries,
632		    ext_nfsstats.rpcrequests);
633		if (printtitle) {
634			printf("Cache Info:\n");
635			printf("%9.9s %9.9s %9.9s %9.9s",
636			    "Attr Hits", "Misses", "Lkup Hits", "Misses");
637			printf(" %9.9s %9.9s %9.9s %9.9s\n",
638			    "BioR Hits", "Misses", "BioW Hits", "Misses");
639		}
640		printf("%9d %9d %9d %9d",
641		    ext_nfsstats.attrcache_hits,
642		    ext_nfsstats.attrcache_misses,
643		    ext_nfsstats.lookupcache_hits,
644		    ext_nfsstats.lookupcache_misses);
645		printf(" %9d %9d %9d %9d\n",
646		    ext_nfsstats.biocache_reads,
647		    ext_nfsstats.read_bios,
648		    ext_nfsstats.biocache_writes,
649		    ext_nfsstats.write_bios);
650		if (printtitle) {
651			printf("%9.9s %9.9s %9.9s %9.9s",
652			    "BioRLHits", "Misses", "BioD Hits", "Misses");
653			printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
654		}
655		printf("%9d %9d %9d %9d",
656		    ext_nfsstats.biocache_readlinks,
657		    ext_nfsstats.readlink_bios,
658		    ext_nfsstats.biocache_readdirs,
659		    ext_nfsstats.readdir_bios);
660		printf(" %9d %9d\n",
661		    ext_nfsstats.direofcache_hits,
662		    ext_nfsstats.direofcache_misses);
663	}
664	if (serverOnly != 0) {
665		if (printtitle) {
666			printf("\nServer Info:\n");
667			printf(
668			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
669			    , "Getattr", "Setattr", "Lookup", "Readlink",
670			    "Read", "Write", "Create", "Remove");
671		}
672		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
673		    ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
674		    ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
675		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
676		    ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
677		    ext_nfsstats.srvrpccnt[NFSV4OP_READ],
678		    ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
679		    ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
680		    ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
681		if (printtitle)
682			printf(
683			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
684			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
685			    "Readdir", "RdirPlus", "Access");
686		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
687		    ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
688		    ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
689		    ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
690		    ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
691		    ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
692		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
693		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
694		    ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
695		if (printtitle)
696			printf(
697			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
698			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
699			    "Commit", "LookupP", "SetClId", "SetClIdCf");
700		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
701		    ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
702		    ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
703		    ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
704		    ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
705		    ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
706		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
707		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
708		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
709		if (printtitle)
710			printf(
711			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
712			    , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
713			    "DelePurge", "DeleRet", "GetFH", "Lock");
714		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
715		    ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
716		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
717		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
718		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
719		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
720		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
721		    ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
722		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
723		if (printtitle)
724			printf(
725			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
726			    , "LockT", "LockU", "Close", "Verify", "NVerify",
727			    "PutFH", "PutPubFH", "PutRootFH");
728		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
729		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
730		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
731		    ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
732		    ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
733		    ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
734		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
735		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
736		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
737		if (printtitle)
738			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
739			    "Renew", "RestoreFH", "SaveFH", "Secinfo",
740			    "RelLckOwn", "V4Create");
741		printf("%9d %9d %9d %9d %9d %9d\n",
742		    ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
743		    ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
744		    ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
745		    ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
746		    ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
747		    ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
748		if (printtitle) {
749			printf("Server:\n");
750			printf("%9.9s %9.9s %9.9s\n",
751			    "Retfailed", "Faults", "Clients");
752		}
753		printf("%9d %9d %9d\n",
754		    ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
755		    ext_nfsstats.srvclients);
756		if (printtitle)
757			printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
758			    "OpenOwner", "Opens", "LockOwner",
759			    "Locks", "Delegs");
760		printf("%9d %9d %9d %9d %9d \n",
761		    ext_nfsstats.srvopenowners,
762		    ext_nfsstats.srvopens,
763		    ext_nfsstats.srvlockowners,
764		    ext_nfsstats.srvlocks,
765		    ext_nfsstats.srvdelegates);
766		if (printtitle) {
767			printf("Server Cache Stats:\n");
768			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
769			    "Inprog", "Idem", "Non-idem", "Misses",
770			    "CacheSize", "TCPPeak");
771		}
772		printf("%9d %9d %9d %9d %9d %9d\n",
773		    ext_nfsstats.srvcache_inproghits,
774		    ext_nfsstats.srvcache_idemdonehits,
775		    ext_nfsstats.srvcache_nonidemdonehits,
776		    ext_nfsstats.srvcache_misses,
777		    ext_nfsstats.srvcache_size,
778		    ext_nfsstats.srvcache_tcppeak);
779	}
780}
781
782/*
783 * Print a running summary of nfs statistics for the experimental client and/or
784 * server.
785 * Repeat display every interval seconds, showing statistics
786 * collected over that interval.  Assumes that interval is non-zero.
787 * First line printed at top of screen is always cumulative.
788 */
789void
790exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
791{
792	struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
793	int hdrcnt = 1;
794
795	ext_nfsstatsp = &lastst;
796	if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
797		err(1, "Can't get stats");
798	sleep(interval);
799
800	for (;;) {
801		ext_nfsstatsp = &nfsstats;
802		if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
803			err(1, "Can't get stats");
804
805		if (--hdrcnt == 0) {
806			printhdr(clientOnly, serverOnly);
807			if (clientOnly && serverOnly)
808				hdrcnt = 10;
809			else
810				hdrcnt = 20;
811		}
812		if (clientOnly) {
813		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
814			((clientOnly && serverOnly) ? "Client:" : ""),
815			DELTA(attrcache_hits) + DELTA(attrcache_misses),
816			DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
817			DELTA(biocache_readlinks),
818			DELTA(biocache_reads),
819			DELTA(biocache_writes),
820			nfsstats.rpccnt[NFSPROC_RENAME] -
821			lastst.rpccnt[NFSPROC_RENAME],
822			DELTA(accesscache_hits) + DELTA(accesscache_misses),
823			DELTA(biocache_readdirs)
824		    );
825		    if (widemode) {
826			    printf(" %s %s %s %s %s %s",
827				sperc1(DELTA(attrcache_hits),
828				    DELTA(attrcache_misses)),
829				sperc1(DELTA(lookupcache_hits),
830				    DELTA(lookupcache_misses)),
831				sperc2(DELTA(biocache_reads),
832				    DELTA(read_bios)),
833				sperc2(DELTA(biocache_writes),
834				    DELTA(write_bios)),
835				sperc1(DELTA(accesscache_hits),
836				    DELTA(accesscache_misses)),
837				sperc2(DELTA(biocache_readdirs),
838				    DELTA(readdir_bios))
839			    );
840		    }
841		    printf("\n");
842		    lastst = nfsstats;
843		}
844		if (serverOnly) {
845		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
846			((clientOnly && serverOnly) ? "Server:" : ""),
847			nfsstats.srvrpccnt[NFSPROC_GETATTR] -
848			lastst.srvrpccnt[NFSPROC_GETATTR],
849			nfsstats.srvrpccnt[NFSPROC_LOOKUP] -
850			lastst.srvrpccnt[NFSPROC_LOOKUP],
851			nfsstats.srvrpccnt[NFSPROC_READLINK] -
852			lastst.srvrpccnt[NFSPROC_READLINK],
853			nfsstats.srvrpccnt[NFSPROC_READ] -
854			lastst.srvrpccnt[NFSPROC_READ],
855			nfsstats.srvrpccnt[NFSPROC_WRITE] -
856			lastst.srvrpccnt[NFSPROC_WRITE],
857			nfsstats.srvrpccnt[NFSPROC_RENAME] -
858			lastst.srvrpccnt[NFSPROC_RENAME],
859			nfsstats.srvrpccnt[NFSPROC_ACCESS] -
860			lastst.srvrpccnt[NFSPROC_ACCESS],
861			(nfsstats.srvrpccnt[NFSPROC_READDIR] -
862			 lastst.srvrpccnt[NFSPROC_READDIR]) +
863			(nfsstats.srvrpccnt[NFSPROC_READDIRPLUS] -
864			 lastst.srvrpccnt[NFSPROC_READDIRPLUS]));
865		    printf("\n");
866		    lastst = nfsstats;
867		}
868		fflush(stdout);
869		sleep(interval);
870	}
871	/*NOTREACHED*/
872}
873
874