xref: /freebsd/usr.bin/nfsstat/nfsstat.c (revision c6ec7d31830ab1c80edae95ad5e4b9dba10c47ac)
1 /*
2  * Copyright (c) 1983, 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef lint
34 static const char copyright[] =
35 "@(#) Copyright (c) 1983, 1989, 1993\n\
36 	The Regents of the University of California.  All rights reserved.\n";
37 #endif /* not lint */
38 
39 #ifndef lint
40 #if 0
41 static char sccsid[] = "@(#)nfsstat.c	8.2 (Berkeley) 3/31/95";
42 #endif
43 static const char rcsid[] =
44   "$FreeBSD$";
45 #endif /* not lint */
46 
47 #include <sys/param.h>
48 #include <sys/module.h>
49 #include <sys/mount.h>
50 #include <sys/time.h>
51 #include <sys/sysctl.h>
52 #include <nfs/nfsproto.h>
53 #include <nfsclient/nfs.h>
54 #include <nfsserver/nfs.h>
55 #include <nfs/nfssvc.h>
56 
57 #include <fs/nfs/nfsport.h>
58 
59 #include <signal.h>
60 #include <fcntl.h>
61 #include <ctype.h>
62 #include <errno.h>
63 #include <kvm.h>
64 #include <limits.h>
65 #include <nlist.h>
66 #include <unistd.h>
67 #include <stdio.h>
68 #include <stdlib.h>
69 #include <string.h>
70 #include <paths.h>
71 #include <err.h>
72 
73 struct nlist nl[] = {
74 #define	N_NFSSTAT	0
75 	{ .n_name = "nfsstats" },
76 #define	N_NFSRVSTAT	1
77 	{ .n_name = "nfsrvstats" },
78 	{ .n_name = NULL },
79 };
80 kvm_t *kd;
81 
82 static int deadkernel = 0;
83 static int widemode = 0;
84 static int zflag = 0;
85 static int run_v4 = 1;
86 static int printtitle = 1;
87 static struct ext_nfsstats ext_nfsstats;
88 static int extra_output = 0;
89 
90 void intpr(int, int);
91 void printhdr(int, int);
92 void sidewaysintpr(u_int, int, int);
93 void usage(void);
94 char *sperc1(int, int);
95 char *sperc2(int, int);
96 void exp_intpr(int, int);
97 void exp_sidewaysintpr(u_int, int, int);
98 
99 #define DELTA(field)	(nfsstats.field - lastst.field)
100 
101 int
102 main(int argc, char **argv)
103 {
104 	u_int interval;
105 	int clientOnly = -1;
106 	int serverOnly = -1;
107 	int ch;
108 	char *memf, *nlistf;
109 	char errbuf[_POSIX2_LINE_MAX];
110 	int mntlen, i;
111 	char buf[1024];
112 	struct statfs *mntbuf;
113 	struct nfscl_dumpmntopts dumpmntopts;
114 
115 	interval = 0;
116 	memf = nlistf = NULL;
117 	while ((ch = getopt(argc, argv, "cesWM:mN:ow:z")) != -1)
118 		switch(ch) {
119 		case 'M':
120 			memf = optarg;
121 			break;
122 		case 'm':
123 			/* Display mount options for NFS mount points. */
124 			mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
125 			for (i = 0; i < mntlen; i++) {
126 				if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
127 					dumpmntopts.ndmnt_fname =
128 					    mntbuf->f_mntonname;
129 					dumpmntopts.ndmnt_buf = buf;
130 					dumpmntopts.ndmnt_blen = sizeof(buf);
131 					if (nfssvc(NFSSVC_DUMPMNTOPTS,
132 					    &dumpmntopts) >= 0)
133 						printf("%s on %s\n%s\n",
134 						    mntbuf->f_mntfromname,
135 						    mntbuf->f_mntonname, buf);
136 				}
137 				mntbuf++;
138 			}
139 			exit(0);
140 		case 'N':
141 			nlistf = optarg;
142 			break;
143 		case 'W':
144 			widemode = 1;
145 			break;
146 		case 'w':
147 			interval = atoi(optarg);
148 			break;
149 		case 'c':
150 			clientOnly = 1;
151 			if (serverOnly < 0)
152 				serverOnly = 0;
153 			break;
154 		case 's':
155 			serverOnly = 1;
156 			if (clientOnly < 0)
157 				clientOnly = 0;
158 			break;
159 		case 'z':
160 			zflag = 1;
161 			break;
162 		case 'o':
163 			if (extra_output != 0)
164 				err(1, "-o incompatible with -e");
165 			run_v4 = 0;
166 			break;
167 		case 'e':
168 			if (run_v4 == 0)
169 				err(1, "-e incompatible with -o");
170 			extra_output = 1;
171 			break;
172 		case '?':
173 		default:
174 			usage();
175 		}
176 	argc -= optind;
177 	argv += optind;
178 
179 #define	BACKWARD_COMPATIBILITY
180 #ifdef	BACKWARD_COMPATIBILITY
181 	if (*argv) {
182 		interval = atoi(*argv);
183 		if (*++argv) {
184 			nlistf = *argv;
185 			if (*++argv)
186 				memf = *argv;
187 		}
188 	}
189 #endif
190 	if (run_v4 != 0 && modfind("nfscommon") < 0)
191 		errx(1, "new client/server not loaded");
192 
193 	if (run_v4 == 0 && (nlistf != NULL || memf != NULL)) {
194 		deadkernel = 1;
195 
196 		if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
197 					errbuf)) == 0) {
198 			errx(1, "kvm_openfiles: %s", errbuf);
199 		}
200 		if (kvm_nlist(kd, nl) != 0) {
201 			errx(1, "kvm_nlist: can't get names");
202 		}
203 	}
204 
205 	if (interval) {
206 		if (run_v4 > 0)
207 			exp_sidewaysintpr(interval, clientOnly, serverOnly);
208 		else
209 			sidewaysintpr(interval, clientOnly, serverOnly);
210 	} else {
211 		if (extra_output != 0)
212 			exp_intpr(clientOnly, serverOnly);
213 		else
214 			intpr(clientOnly, serverOnly);
215 	}
216 	exit(0);
217 }
218 
219 /*
220  * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
221  * for dead ones.
222  */
223 static void
224 readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
225 {
226 	union {
227 		struct nfsstats client;
228 		struct nfsrvstats server;
229 	} zerostat;
230 	size_t buflen;
231 
232 	if (deadkernel) {
233 		if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
234 		    *stp, sizeof(struct nfsstats)) < 0) {
235 			*stp = NULL;
236 		}
237 		if (*srvstp != NULL && kvm_read(kd,
238 		    (u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
239 		    sizeof(struct nfsrvstats)) < 0) {
240 			*srvstp = NULL;
241 		}
242 	} else {
243 		if (zero)
244 			bzero(&zerostat, sizeof(zerostat));
245 		buflen = sizeof(struct nfsstats);
246 		if (*stp != NULL && sysctlbyname("vfs.oldnfs.nfsstats", *stp,
247 		    &buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
248 			if (errno != ENOENT)
249 				err(1, "sysctl: vfs.oldnfs.nfsstats");
250 			*stp = NULL;
251 		}
252 		buflen = sizeof(struct nfsrvstats);
253 		if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
254 		    *srvstp, &buflen, zero ? &zerostat : NULL,
255 		    zero ? buflen : 0) < 0) {
256 			if (errno != ENOENT)
257 				err(1, "sysctl: vfs.nfsrv.nfsrvstats");
258 			*srvstp = NULL;
259 		}
260 	}
261 }
262 
263 /*
264  * Print a description of the nfs stats.
265  */
266 void
267 intpr(int clientOnly, int serverOnly)
268 {
269 	struct nfsstats nfsstats, *nfsstatsp;
270 	struct nfsrvstats nfsrvstats, *nfsrvstatsp;
271 	int nfssvc_flag;
272 
273 	if (run_v4 == 0) {
274 		/*
275 		 * Only read the stats we are going to display to avoid zeroing
276 		 * stats the user didn't request.
277 		 */
278 		if (clientOnly)
279 			nfsstatsp = &nfsstats;
280 		else
281 			nfsstatsp = NULL;
282 		if (serverOnly)
283 			nfsrvstatsp = &nfsrvstats;
284 		else
285 			nfsrvstatsp = NULL;
286 
287 		readstats(&nfsstatsp, &nfsrvstatsp, zflag);
288 
289 		if (clientOnly && !nfsstatsp) {
290 			printf("Client not present!\n");
291 			clientOnly = 0;
292 		}
293 	} else {
294 		nfssvc_flag = NFSSVC_GETSTATS;
295 		if (zflag != 0) {
296 			if (clientOnly != 0)
297 				nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
298 			if (serverOnly != 0)
299 				nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
300 		}
301 		if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
302 			err(1, "Can't get stats");
303 	}
304 	if (clientOnly) {
305 		printf("Client Info:\n");
306 		printf("Rpc Counts:\n");
307 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
308 			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
309 			"Write", "Create", "Remove");
310 		if (run_v4 == 0)
311 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
312 				nfsstats.rpccnt[NFSPROC_GETATTR],
313 				nfsstats.rpccnt[NFSPROC_SETATTR],
314 				nfsstats.rpccnt[NFSPROC_LOOKUP],
315 				nfsstats.rpccnt[NFSPROC_READLINK],
316 				nfsstats.rpccnt[NFSPROC_READ],
317 				nfsstats.rpccnt[NFSPROC_WRITE],
318 				nfsstats.rpccnt[NFSPROC_CREATE],
319 				nfsstats.rpccnt[NFSPROC_REMOVE]);
320 		else
321 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
322 				ext_nfsstats.rpccnt[NFSPROC_GETATTR],
323 				ext_nfsstats.rpccnt[NFSPROC_SETATTR],
324 				ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
325 				ext_nfsstats.rpccnt[NFSPROC_READLINK],
326 				ext_nfsstats.rpccnt[NFSPROC_READ],
327 				ext_nfsstats.rpccnt[NFSPROC_WRITE],
328 				ext_nfsstats.rpccnt[NFSPROC_CREATE],
329 				ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
330 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
331 			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
332 			"Readdir", "RdirPlus", "Access");
333 		if (run_v4 == 0)
334 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
335 				nfsstats.rpccnt[NFSPROC_RENAME],
336 				nfsstats.rpccnt[NFSPROC_LINK],
337 				nfsstats.rpccnt[NFSPROC_SYMLINK],
338 				nfsstats.rpccnt[NFSPROC_MKDIR],
339 				nfsstats.rpccnt[NFSPROC_RMDIR],
340 				nfsstats.rpccnt[NFSPROC_READDIR],
341 				nfsstats.rpccnt[NFSPROC_READDIRPLUS],
342 				nfsstats.rpccnt[NFSPROC_ACCESS]);
343 		else
344 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
345 				ext_nfsstats.rpccnt[NFSPROC_RENAME],
346 				ext_nfsstats.rpccnt[NFSPROC_LINK],
347 				ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
348 				ext_nfsstats.rpccnt[NFSPROC_MKDIR],
349 				ext_nfsstats.rpccnt[NFSPROC_RMDIR],
350 				ext_nfsstats.rpccnt[NFSPROC_READDIR],
351 				ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
352 				ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
353 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
354 			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
355 		if (run_v4 == 0)
356 			printf("%9d %9d %9d %9d %9d\n",
357 				nfsstats.rpccnt[NFSPROC_MKNOD],
358 				nfsstats.rpccnt[NFSPROC_FSSTAT],
359 				nfsstats.rpccnt[NFSPROC_FSINFO],
360 				nfsstats.rpccnt[NFSPROC_PATHCONF],
361 				nfsstats.rpccnt[NFSPROC_COMMIT]);
362 		else
363 			printf("%9d %9d %9d %9d %9d\n",
364 				ext_nfsstats.rpccnt[NFSPROC_MKNOD],
365 				ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
366 				ext_nfsstats.rpccnt[NFSPROC_FSINFO],
367 				ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
368 				ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
369 		printf("Rpc Info:\n");
370 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
371 			"TimedOut", "Invalid", "X Replies", "Retries",
372 			"Requests");
373 		if (run_v4 == 0)
374 			printf("%9d %9d %9d %9d %9d\n",
375 				nfsstats.rpctimeouts,
376 				nfsstats.rpcinvalid,
377 				nfsstats.rpcunexpected,
378 				nfsstats.rpcretries,
379 				nfsstats.rpcrequests);
380 		else
381 			printf("%9d %9d %9d %9d %9d\n",
382 				ext_nfsstats.rpctimeouts,
383 				ext_nfsstats.rpcinvalid,
384 				ext_nfsstats.rpcunexpected,
385 				ext_nfsstats.rpcretries,
386 				ext_nfsstats.rpcrequests);
387 		printf("Cache Info:\n");
388 		printf("%9.9s %9.9s %9.9s %9.9s",
389 			"Attr Hits", "Misses", "Lkup Hits", "Misses");
390 		printf(" %9.9s %9.9s %9.9s %9.9s\n",
391 			"BioR Hits", "Misses", "BioW Hits", "Misses");
392 		if (run_v4 == 0) {
393 			printf("%9d %9d %9d %9d",
394 				nfsstats.attrcache_hits,
395 				nfsstats.attrcache_misses,
396 				nfsstats.lookupcache_hits,
397 				nfsstats.lookupcache_misses);
398 			printf(" %9d %9d %9d %9d\n",
399 				nfsstats.biocache_reads-nfsstats.read_bios,
400 				nfsstats.read_bios,
401 				nfsstats.biocache_writes-nfsstats.write_bios,
402 				nfsstats.write_bios);
403 		} else {
404 			printf("%9d %9d %9d %9d",
405 				ext_nfsstats.attrcache_hits,
406 				ext_nfsstats.attrcache_misses,
407 				ext_nfsstats.lookupcache_hits,
408 				ext_nfsstats.lookupcache_misses);
409 			printf(" %9d %9d %9d %9d\n",
410 				ext_nfsstats.biocache_reads -
411 				ext_nfsstats.read_bios,
412 				ext_nfsstats.read_bios,
413 				ext_nfsstats.biocache_writes -
414 				ext_nfsstats.write_bios,
415 				ext_nfsstats.write_bios);
416 		}
417 		printf("%9.9s %9.9s %9.9s %9.9s",
418 			"BioRLHits", "Misses", "BioD Hits", "Misses");
419 		printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
420 		if (run_v4 == 0) {
421 			printf("%9d %9d %9d %9d",
422 				nfsstats.biocache_readlinks -
423 				nfsstats.readlink_bios,
424 				nfsstats.readlink_bios,
425 				nfsstats.biocache_readdirs -
426 				nfsstats.readdir_bios,
427 				nfsstats.readdir_bios);
428 			printf(" %9d %9d %9d %9d\n",
429 				nfsstats.direofcache_hits,
430 				nfsstats.direofcache_misses,
431 				nfsstats.accesscache_hits,
432 				nfsstats.accesscache_misses);
433 		} else {
434 			printf("%9d %9d %9d %9d",
435 				ext_nfsstats.biocache_readlinks -
436 				ext_nfsstats.readlink_bios,
437 				ext_nfsstats.readlink_bios,
438 				ext_nfsstats.biocache_readdirs -
439 				ext_nfsstats.readdir_bios,
440 				ext_nfsstats.readdir_bios);
441 			printf(" %9d %9d %9d %9d\n",
442 				ext_nfsstats.direofcache_hits,
443 				ext_nfsstats.direofcache_misses,
444 				ext_nfsstats.accesscache_hits,
445 				ext_nfsstats.accesscache_misses);
446 		}
447 	}
448 	if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
449 		printf("Server not present!\n");
450 		serverOnly = 0;
451 	}
452 	if (serverOnly) {
453 		printf("\nServer Info:\n");
454 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
455 			"Getattr", "Setattr", "Lookup", "Readlink", "Read",
456 			"Write", "Create", "Remove");
457 		if (run_v4 == 0)
458 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
459 				nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
460 				nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
461 				nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
462 				nfsrvstats.srvrpccnt[NFSPROC_READLINK],
463 				nfsrvstats.srvrpccnt[NFSPROC_READ],
464 				nfsrvstats.srvrpccnt[NFSPROC_WRITE],
465 				nfsrvstats.srvrpccnt[NFSPROC_CREATE],
466 				nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
467 		else
468 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
469 				ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
470 				ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
471 				ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
472 				ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
473 				ext_nfsstats.srvrpccnt[NFSV4OP_READ],
474 				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
475 				ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
476 				ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
477 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
478 			"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
479 			"Readdir", "RdirPlus", "Access");
480 		if (run_v4 == 0)
481 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
482 				nfsrvstats.srvrpccnt[NFSPROC_RENAME],
483 				nfsrvstats.srvrpccnt[NFSPROC_LINK],
484 				nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
485 				nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
486 				nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
487 				nfsrvstats.srvrpccnt[NFSPROC_READDIR],
488 				nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
489 				nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
490 		else
491 			printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
492 				ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
493 				ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
494 				ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
495 				ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
496 				ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
497 				ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
498 				ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
499 				ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
500 		printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
501 			"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
502 		if (run_v4 == 0)
503 			printf("%9d %9d %9d %9d %9d\n",
504 				nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
505 				nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
506 				nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
507 				nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
508 				nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
509 		else
510 			printf("%9d %9d %9d %9d %9d\n",
511 				ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
512 				ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
513 				ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
514 				ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
515 				ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
516 		printf("Server Ret-Failed\n");
517 		if (run_v4 == 0)
518 			printf("%17d\n", nfsrvstats.srvrpc_errs);
519 		else
520 			printf("%17d\n", ext_nfsstats.srvrpc_errs);
521 		printf("Server Faults\n");
522 		if (run_v4 == 0)
523 			printf("%13d\n", nfsrvstats.srv_errs);
524 		else
525 			printf("%13d\n", ext_nfsstats.srv_errs);
526 		printf("Server Cache Stats:\n");
527 		printf("%9.9s %9.9s %9.9s %9.9s\n",
528 			"Inprog", "Idem", "Non-idem", "Misses");
529 		if (run_v4 == 0)
530 			printf("%9d %9d %9d %9d\n",
531 				nfsrvstats.srvcache_inproghits,
532 				nfsrvstats.srvcache_idemdonehits,
533 				nfsrvstats.srvcache_nonidemdonehits,
534 				nfsrvstats.srvcache_misses);
535 		else
536 			printf("%9d %9d %9d %9d\n",
537 				ext_nfsstats.srvcache_inproghits,
538 				ext_nfsstats.srvcache_idemdonehits,
539 				ext_nfsstats.srvcache_nonidemdonehits,
540 				ext_nfsstats.srvcache_misses);
541 		printf("Server Write Gathering:\n");
542 		printf("%9.9s %9.9s %9.9s\n",
543 			"WriteOps", "WriteRPC", "Opsaved");
544 		if (run_v4 == 0)
545 			printf("%9d %9d %9d\n",
546 				nfsrvstats.srvvop_writes,
547 				nfsrvstats.srvrpccnt[NFSPROC_WRITE],
548 				nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
549 				    nfsrvstats.srvvop_writes);
550 		else
551 			/*
552 			 * The new client doesn't do write gathering. It was
553 			 * only useful for NFSv2.
554 			 */
555 			printf("%9d %9d %9d\n",
556 				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
557 				ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
558 	}
559 }
560 
561 u_char	signalled;			/* set if alarm goes off "early" */
562 
563 /*
564  * Print a running summary of nfs statistics.
565  * Repeat display every interval seconds, showing statistics
566  * collected over that interval.  Assumes that interval is non-zero.
567  * First line printed at top of screen is always cumulative.
568  */
569 void
570 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
571 {
572 	struct nfsstats nfsstats, lastst, *nfsstatsp;
573 	struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
574 	int hdrcnt = 1;
575 
576 	nfsstatsp = &lastst;
577 	nfsrvstatsp = &lastsrvst;
578 	readstats(&nfsstatsp, &nfsrvstatsp, 0);
579 	if (clientOnly && !nfsstatsp) {
580 		printf("Client not present!\n");
581 		clientOnly = 0;
582 	}
583 	if (serverOnly && !nfsrvstatsp) {
584 		printf("Server not present!\n");
585 		serverOnly = 0;
586 	}
587 	sleep(interval);
588 
589 	for (;;) {
590 		nfsstatsp = &nfsstats;
591 		nfsrvstatsp = &nfsrvstats;
592 		readstats(&nfsstatsp, &nfsrvstatsp, 0);
593 
594 		if (--hdrcnt == 0) {
595 			printhdr(clientOnly, serverOnly);
596 			if (clientOnly && serverOnly)
597 				hdrcnt = 10;
598 			else
599 				hdrcnt = 20;
600 		}
601 		if (clientOnly) {
602 		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
603 			((clientOnly && serverOnly) ? "Client:" : ""),
604 			DELTA(attrcache_hits) + DELTA(attrcache_misses),
605 			DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
606 			DELTA(biocache_readlinks),
607 			DELTA(biocache_reads),
608 			DELTA(biocache_writes),
609 			nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
610 			DELTA(accesscache_hits) + DELTA(accesscache_misses),
611 			DELTA(biocache_readdirs)
612 		    );
613 		    if (widemode) {
614 			    printf(" %s %s %s %s %s %s",
615 				sperc1(DELTA(attrcache_hits),
616 				    DELTA(attrcache_misses)),
617 				sperc1(DELTA(lookupcache_hits),
618 				    DELTA(lookupcache_misses)),
619 				sperc2(DELTA(biocache_reads),
620 				    DELTA(read_bios)),
621 				sperc2(DELTA(biocache_writes),
622 				    DELTA(write_bios)),
623 				sperc1(DELTA(accesscache_hits),
624 				    DELTA(accesscache_misses)),
625 				sperc2(DELTA(biocache_readdirs),
626 				    DELTA(readdir_bios))
627 			    );
628 		    }
629 		    printf("\n");
630 		    lastst = nfsstats;
631 		}
632 		if (serverOnly) {
633 		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
634 			((clientOnly && serverOnly) ? "Server:" : ""),
635 			nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
636 			nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
637 			nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
638 			nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
639 			nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
640 			nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
641 			nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
642 			(nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
643 			+(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
644 		    printf("\n");
645 		    lastsrvst = nfsrvstats;
646 		}
647 		fflush(stdout);
648 		sleep(interval);
649 	}
650 	/*NOTREACHED*/
651 }
652 
653 void
654 printhdr(int clientOnly, int serverOnly)
655 {
656 	printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
657 	    ((serverOnly && clientOnly) ? "        " : " "),
658 	    "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
659 	    "Access", "Rddir");
660 	if (widemode && clientOnly) {
661 		printf(" Attr Lkup BioR BioW Accs BioD");
662 	}
663 	printf("\n");
664 	fflush(stdout);
665 }
666 
667 void
668 usage(void)
669 {
670 	(void)fprintf(stderr,
671 	    "usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
672 	exit(1);
673 }
674 
675 static char SPBuf[64][8];
676 static int SPIndex;
677 
678 char *
679 sperc1(int hits, int misses)
680 {
681 	char *p = SPBuf[SPIndex];
682 
683 	if (hits + misses) {
684 		sprintf(p, "%3d%%",
685 		    (int)(char)((quad_t)hits * 100 / (hits + misses)));
686 	} else {
687 		sprintf(p, "   -");
688 	}
689 	SPIndex = (SPIndex + 1) & 63;
690 	return(p);
691 }
692 
693 char *
694 sperc2(int ttl, int misses)
695 {
696 	char *p = SPBuf[SPIndex];
697 
698 	if (ttl) {
699 		sprintf(p, "%3d%%",
700 		    (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
701 	} else {
702 		sprintf(p, "   -");
703 	}
704 	SPIndex = (SPIndex + 1) & 63;
705 	return(p);
706 }
707 
708 /*
709  * Print a description of the nfs stats for the experimental client/server.
710  */
711 void
712 exp_intpr(int clientOnly, int serverOnly)
713 {
714 	int nfssvc_flag;
715 
716 	nfssvc_flag = NFSSVC_GETSTATS;
717 	if (zflag != 0) {
718 		if (clientOnly != 0)
719 			nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
720 		if (serverOnly != 0)
721 			nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
722 	}
723 	if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
724 		err(1, "Can't get stats");
725 	if (clientOnly != 0) {
726 		if (printtitle) {
727 			printf("Client Info:\n");
728 			printf("Rpc Counts:\n");
729 			printf(
730 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
731 			    , "Getattr", "Setattr", "Lookup", "Readlink",
732 			    "Read", "Write", "Create", "Remove");
733 		}
734 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
735 		    ext_nfsstats.rpccnt[NFSPROC_GETATTR],
736 		    ext_nfsstats.rpccnt[NFSPROC_SETATTR],
737 		    ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
738 		    ext_nfsstats.rpccnt[NFSPROC_READLINK],
739 		    ext_nfsstats.rpccnt[NFSPROC_READ],
740 		    ext_nfsstats.rpccnt[NFSPROC_WRITE],
741 		    ext_nfsstats.rpccnt[NFSPROC_CREATE],
742 		    ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
743 		if (printtitle)
744 			printf(
745 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
746 			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
747 			    "Readdir", "RdirPlus", "Access");
748 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
749 		    ext_nfsstats.rpccnt[NFSPROC_RENAME],
750 		    ext_nfsstats.rpccnt[NFSPROC_LINK],
751 		    ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
752 		    ext_nfsstats.rpccnt[NFSPROC_MKDIR],
753 		    ext_nfsstats.rpccnt[NFSPROC_RMDIR],
754 		    ext_nfsstats.rpccnt[NFSPROC_READDIR],
755 		    ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
756 		    ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
757 		if (printtitle)
758 			printf(
759 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
760 			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
761 			    "Commit", "SetClId", "SetClIdCf", "Lock");
762 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
763 		    ext_nfsstats.rpccnt[NFSPROC_MKNOD],
764 		    ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
765 		    ext_nfsstats.rpccnt[NFSPROC_FSINFO],
766 		    ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
767 		    ext_nfsstats.rpccnt[NFSPROC_COMMIT],
768 		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
769 		    ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
770 		    ext_nfsstats.rpccnt[NFSPROC_LOCK]);
771 		if (printtitle)
772 			printf("%9.9s %9.9s %9.9s %9.9s\n",
773 			    "LockT", "LockU", "Open", "OpenCfr");
774 		printf("%9d %9d %9d %9d\n",
775 		    ext_nfsstats.rpccnt[NFSPROC_LOCKT],
776 		    ext_nfsstats.rpccnt[NFSPROC_LOCKU],
777 		    ext_nfsstats.rpccnt[NFSPROC_OPEN],
778 		    ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
779 		if (printtitle)
780 			printf(
781 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
782 			    , "OpenOwner", "Opens", "LockOwner",
783 			    "Locks", "Delegs", "LocalOwn",
784 			    "LocalOpen", "LocalLOwn");
785 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
786 		    ext_nfsstats.clopenowners,
787 		    ext_nfsstats.clopens,
788 		    ext_nfsstats.cllockowners,
789 		    ext_nfsstats.cllocks,
790 		    ext_nfsstats.cldelegates,
791 		    ext_nfsstats.cllocalopenowners,
792 		    ext_nfsstats.cllocalopens,
793 		    ext_nfsstats.cllocallockowners);
794 		if (printtitle)
795 			printf("%9.9s\n", "LocalLock");
796 		printf("%9d\n", ext_nfsstats.cllocallocks);
797 		if (printtitle) {
798 			printf("Rpc Info:\n");
799 			printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
800 			    "TimedOut", "Invalid", "X Replies", "Retries",
801 			    "Requests");
802 		}
803 		printf("%9d %9d %9d %9d %9d\n",
804 		    ext_nfsstats.rpctimeouts,
805 		    ext_nfsstats.rpcinvalid,
806 		    ext_nfsstats.rpcunexpected,
807 		    ext_nfsstats.rpcretries,
808 		    ext_nfsstats.rpcrequests);
809 		if (printtitle) {
810 			printf("Cache Info:\n");
811 			printf("%9.9s %9.9s %9.9s %9.9s",
812 			    "Attr Hits", "Misses", "Lkup Hits", "Misses");
813 			printf(" %9.9s %9.9s %9.9s %9.9s\n",
814 			    "BioR Hits", "Misses", "BioW Hits", "Misses");
815 		}
816 		printf("%9d %9d %9d %9d",
817 		    ext_nfsstats.attrcache_hits,
818 		    ext_nfsstats.attrcache_misses,
819 		    ext_nfsstats.lookupcache_hits,
820 		    ext_nfsstats.lookupcache_misses);
821 		printf(" %9d %9d %9d %9d\n",
822 		    ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
823 		    ext_nfsstats.read_bios,
824 		    ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
825 		    ext_nfsstats.write_bios);
826 		if (printtitle) {
827 			printf("%9.9s %9.9s %9.9s %9.9s",
828 			    "BioRLHits", "Misses", "BioD Hits", "Misses");
829 			printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
830 		}
831 		printf("%9d %9d %9d %9d",
832 		    ext_nfsstats.biocache_readlinks -
833 		    ext_nfsstats.readlink_bios,
834 		    ext_nfsstats.readlink_bios,
835 		    ext_nfsstats.biocache_readdirs -
836 		    ext_nfsstats.readdir_bios,
837 		    ext_nfsstats.readdir_bios);
838 		printf(" %9d %9d\n",
839 		    ext_nfsstats.direofcache_hits,
840 		    ext_nfsstats.direofcache_misses);
841 	}
842 	if (serverOnly != 0) {
843 		if (printtitle) {
844 			printf("\nServer Info:\n");
845 			printf(
846 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
847 			    , "Getattr", "Setattr", "Lookup", "Readlink",
848 			    "Read", "Write", "Create", "Remove");
849 		}
850 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
851 		    ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
852 		    ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
853 		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
854 		    ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
855 		    ext_nfsstats.srvrpccnt[NFSV4OP_READ],
856 		    ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
857 		    ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
858 		    ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
859 		if (printtitle)
860 			printf(
861 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
862 			    , "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
863 			    "Readdir", "RdirPlus", "Access");
864 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
865 		    ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
866 		    ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
867 		    ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
868 		    ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
869 		    ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
870 		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
871 		    ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
872 		    ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
873 		if (printtitle)
874 			printf(
875 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
876 			    , "Mknod", "Fsstat", "Fsinfo", "PathConf",
877 			    "Commit", "LookupP", "SetClId", "SetClIdCf");
878 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
879 		    ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
880 		    ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
881 		    ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
882 		    ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
883 		    ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
884 		    ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
885 		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
886 		    ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
887 		if (printtitle)
888 			printf(
889 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
890 			    , "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
891 			    "DelePurge", "DeleRet", "GetFH", "Lock");
892 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
893 		    ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
894 		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
895 		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
896 		    ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
897 		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
898 		    ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
899 		    ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
900 		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
901 		if (printtitle)
902 			printf(
903 			    "%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
904 			    , "LockT", "LockU", "Close", "Verify", "NVerify",
905 			    "PutFH", "PutPubFH", "PutRootFH");
906 		printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
907 		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
908 		    ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
909 		    ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
910 		    ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
911 		    ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
912 		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
913 		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
914 		    ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
915 		if (printtitle)
916 			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
917 			    "Renew", "RestoreFH", "SaveFH", "Secinfo",
918 			    "RelLckOwn", "V4Create");
919 		printf("%9d %9d %9d %9d %9d %9d\n",
920 		    ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
921 		    ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
922 		    ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
923 		    ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
924 		    ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
925 		    ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
926 		if (printtitle) {
927 			printf("Server:\n");
928 			printf("%9.9s %9.9s %9.9s\n",
929 			    "Retfailed", "Faults", "Clients");
930 		}
931 		printf("%9d %9d %9d\n",
932 		    ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
933 		    ext_nfsstats.srvclients);
934 		if (printtitle)
935 			printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
936 			    "OpenOwner", "Opens", "LockOwner",
937 			    "Locks", "Delegs");
938 		printf("%9d %9d %9d %9d %9d \n",
939 		    ext_nfsstats.srvopenowners,
940 		    ext_nfsstats.srvopens,
941 		    ext_nfsstats.srvlockowners,
942 		    ext_nfsstats.srvlocks,
943 		    ext_nfsstats.srvdelegates);
944 		if (printtitle) {
945 			printf("Server Cache Stats:\n");
946 			printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
947 			    "Inprog", "Idem", "Non-idem", "Misses",
948 			    "CacheSize", "TCPPeak");
949 		}
950 		printf("%9d %9d %9d %9d %9d %9d\n",
951 		    ext_nfsstats.srvcache_inproghits,
952 		    ext_nfsstats.srvcache_idemdonehits,
953 		    ext_nfsstats.srvcache_nonidemdonehits,
954 		    ext_nfsstats.srvcache_misses,
955 		    ext_nfsstats.srvcache_size,
956 		    ext_nfsstats.srvcache_tcppeak);
957 	}
958 }
959 
960 /*
961  * Print a running summary of nfs statistics for the experimental client and/or
962  * server.
963  * Repeat display every interval seconds, showing statistics
964  * collected over that interval.  Assumes that interval is non-zero.
965  * First line printed at top of screen is always cumulative.
966  */
967 void
968 exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
969 {
970 	struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
971 	int hdrcnt = 1;
972 
973 	ext_nfsstatsp = &lastst;
974 	if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
975 		err(1, "Can't get stats");
976 	sleep(interval);
977 
978 	for (;;) {
979 		ext_nfsstatsp = &nfsstats;
980 		if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
981 			err(1, "Can't get stats");
982 
983 		if (--hdrcnt == 0) {
984 			printhdr(clientOnly, serverOnly);
985 			if (clientOnly && serverOnly)
986 				hdrcnt = 10;
987 			else
988 				hdrcnt = 20;
989 		}
990 		if (clientOnly) {
991 		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
992 			((clientOnly && serverOnly) ? "Client:" : ""),
993 			DELTA(attrcache_hits) + DELTA(attrcache_misses),
994 			DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
995 			DELTA(biocache_readlinks),
996 			DELTA(biocache_reads),
997 			DELTA(biocache_writes),
998 			nfsstats.rpccnt[NFSPROC_RENAME] -
999 			lastst.rpccnt[NFSPROC_RENAME],
1000 			DELTA(accesscache_hits) + DELTA(accesscache_misses),
1001 			DELTA(biocache_readdirs)
1002 		    );
1003 		    if (widemode) {
1004 			    printf(" %s %s %s %s %s %s",
1005 				sperc1(DELTA(attrcache_hits),
1006 				    DELTA(attrcache_misses)),
1007 				sperc1(DELTA(lookupcache_hits),
1008 				    DELTA(lookupcache_misses)),
1009 				sperc2(DELTA(biocache_reads),
1010 				    DELTA(read_bios)),
1011 				sperc2(DELTA(biocache_writes),
1012 				    DELTA(write_bios)),
1013 				sperc1(DELTA(accesscache_hits),
1014 				    DELTA(accesscache_misses)),
1015 				sperc2(DELTA(biocache_readdirs),
1016 				    DELTA(readdir_bios))
1017 			    );
1018 		    }
1019 		    printf("\n");
1020 		}
1021 		if (serverOnly) {
1022 		    printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
1023 			((clientOnly && serverOnly) ? "Server:" : ""),
1024 			nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
1025 			lastst.srvrpccnt[NFSV4OP_GETATTR],
1026 			nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
1027 			lastst.srvrpccnt[NFSV4OP_LOOKUP],
1028 			nfsstats.srvrpccnt[NFSV4OP_READLINK] -
1029 			lastst.srvrpccnt[NFSV4OP_READLINK],
1030 			nfsstats.srvrpccnt[NFSV4OP_READ] -
1031 			lastst.srvrpccnt[NFSV4OP_READ],
1032 			nfsstats.srvrpccnt[NFSV4OP_WRITE] -
1033 			lastst.srvrpccnt[NFSV4OP_WRITE],
1034 			nfsstats.srvrpccnt[NFSV4OP_RENAME] -
1035 			lastst.srvrpccnt[NFSV4OP_RENAME],
1036 			nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
1037 			lastst.srvrpccnt[NFSV4OP_ACCESS],
1038 			(nfsstats.srvrpccnt[NFSV4OP_READDIR] -
1039 			 lastst.srvrpccnt[NFSV4OP_READDIR]) +
1040 			(nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
1041 			 lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
1042 		    printf("\n");
1043 		}
1044 		lastst = nfsstats;
1045 		fflush(stdout);
1046 		sleep(interval);
1047 	}
1048 	/*NOTREACHED*/
1049 }
1050 
1051