2 * Copyright (c) 1983, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#) Copyright (c) 1983, 1989, 1993 The Regents of the University of California. All rights reserved.
37 * @(#)nfsstat.c 8.2 (Berkeley) 3/31/95
38 * $FreeBSD: src/usr.bin/nfsstat/nfsstat.c,v 1.15.2.3 2001/06/06 20:25:58 tmm Exp $
39 * $DragonFly: src/usr.bin/nfsstat/nfsstat.c,v 1.3 2003/10/04 20:36:49 hmp Exp $
42 #include <sys/param.h>
43 #include <sys/mount.h>
45 #include <sys/sysctl.h>
46 #include <nfs/rpcv2.h>
47 #include <nfs/nfsproto.h>
70 static int deadkernel = 0;
71 static int widemode = 0;
74 void printhdr(int, int);
75 void sidewaysintpr(u_int, int, int);
77 char *sperc1(int, int);
78 char *sperc2(int, int);
80 #define DELTA(field) (nfsstats.field - lastst.field)
82 main(int argc, char **argv)
89 char errbuf[_POSIX2_LINE_MAX];
93 while ((ch = getopt(argc, argv, "csWM:N:w:")) != -1)
105 interval = atoi(optarg);
124 #define BACKWARD_COMPATIBILITY
125 #ifdef BACKWARD_COMPATIBILITY
127 interval = atoi(*argv);
135 if (nlistf != NULL || memf != NULL) {
138 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
140 errx(1, "kvm_openfiles: %s", errbuf);
142 if (kvm_nlist(kd, nl) != 0) {
143 errx(1, "kvm_nlist: can't get names");
148 sidewaysintpr(interval, clientOnly, serverOnly);
150 intpr(clientOnly, serverOnly);
155 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
159 readstats(struct nfsstats *stp)
162 if(kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value, stp,
168 size_t buflen = sizeof *stp;
171 if (getvfsbyname("nfs", &vfc) < 0)
172 err(1, "getvfsbyname: NFS not compiled into kernel");
174 name[1] = vfc.vfc_typenum;
175 name[2] = NFS_NFSSTATS;
176 if (sysctl(name, 3, stp, &buflen, (void *)0, (size_t)0) < 0) {
183 * Print a description of the nfs stats.
186 intpr(int clientOnly, int serverOnly)
188 struct nfsstats nfsstats;
190 readstats(&nfsstats);
193 printf("Client Info:\n");
194 printf("Rpc Counts:\n");
195 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
196 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
197 "Write", "Create", "Remove");
198 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
199 nfsstats.rpccnt[NFSPROC_GETATTR],
200 nfsstats.rpccnt[NFSPROC_SETATTR],
201 nfsstats.rpccnt[NFSPROC_LOOKUP],
202 nfsstats.rpccnt[NFSPROC_READLINK],
203 nfsstats.rpccnt[NFSPROC_READ],
204 nfsstats.rpccnt[NFSPROC_WRITE],
205 nfsstats.rpccnt[NFSPROC_CREATE],
206 nfsstats.rpccnt[NFSPROC_REMOVE]);
207 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
208 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
209 "Readdir", "RdirPlus", "Access");
210 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
211 nfsstats.rpccnt[NFSPROC_RENAME],
212 nfsstats.rpccnt[NFSPROC_LINK],
213 nfsstats.rpccnt[NFSPROC_SYMLINK],
214 nfsstats.rpccnt[NFSPROC_MKDIR],
215 nfsstats.rpccnt[NFSPROC_RMDIR],
216 nfsstats.rpccnt[NFSPROC_READDIR],
217 nfsstats.rpccnt[NFSPROC_READDIRPLUS],
218 nfsstats.rpccnt[NFSPROC_ACCESS]);
219 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
220 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
221 "GLease", "Vacate", "Evict");
222 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
223 nfsstats.rpccnt[NFSPROC_MKNOD],
224 nfsstats.rpccnt[NFSPROC_FSSTAT],
225 nfsstats.rpccnt[NFSPROC_FSINFO],
226 nfsstats.rpccnt[NFSPROC_PATHCONF],
227 nfsstats.rpccnt[NFSPROC_COMMIT],
228 nfsstats.rpccnt[NQNFSPROC_GETLEASE],
229 nfsstats.rpccnt[NQNFSPROC_VACATED],
230 nfsstats.rpccnt[NQNFSPROC_EVICTED]);
231 printf("Rpc Info:\n");
232 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
233 "TimedOut", "Invalid", "X Replies", "Retries",
235 printf("%9d %9d %9d %9d %9d\n",
236 nfsstats.rpctimeouts,
238 nfsstats.rpcunexpected,
240 nfsstats.rpcrequests);
241 printf("Cache Info:\n");
242 printf("%9.9s %9.9s %9.9s %9.9s",
243 "Attr Hits", "Misses", "Lkup Hits", "Misses");
244 printf(" %9.9s %9.9s %9.9s %9.9s\n",
245 "BioR Hits", "Misses", "BioW Hits", "Misses");
246 printf("%9d %9d %9d %9d",
247 nfsstats.attrcache_hits, nfsstats.attrcache_misses,
248 nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
249 printf(" %9d %9d %9d %9d\n",
250 nfsstats.biocache_reads-nfsstats.read_bios,
252 nfsstats.biocache_writes-nfsstats.write_bios,
253 nfsstats.write_bios);
254 printf("%9.9s %9.9s %9.9s %9.9s",
255 "BioRLHits", "Misses", "BioD Hits", "Misses");
256 printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
257 printf("%9d %9d %9d %9d",
258 nfsstats.biocache_readlinks-nfsstats.readlink_bios,
259 nfsstats.readlink_bios,
260 nfsstats.biocache_readdirs-nfsstats.readdir_bios,
261 nfsstats.readdir_bios);
263 nfsstats.direofcache_hits, nfsstats.direofcache_misses);
266 printf("\nServer Info:\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.srvrpccnt[NFSPROC_GETATTR],
272 nfsstats.srvrpccnt[NFSPROC_SETATTR],
273 nfsstats.srvrpccnt[NFSPROC_LOOKUP],
274 nfsstats.srvrpccnt[NFSPROC_READLINK],
275 nfsstats.srvrpccnt[NFSPROC_READ],
276 nfsstats.srvrpccnt[NFSPROC_WRITE],
277 nfsstats.srvrpccnt[NFSPROC_CREATE],
278 nfsstats.srvrpccnt[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.srvrpccnt[NFSPROC_RENAME],
284 nfsstats.srvrpccnt[NFSPROC_LINK],
285 nfsstats.srvrpccnt[NFSPROC_SYMLINK],
286 nfsstats.srvrpccnt[NFSPROC_MKDIR],
287 nfsstats.srvrpccnt[NFSPROC_RMDIR],
288 nfsstats.srvrpccnt[NFSPROC_READDIR],
289 nfsstats.srvrpccnt[NFSPROC_READDIRPLUS],
290 nfsstats.srvrpccnt[NFSPROC_ACCESS]);
291 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
292 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
293 "GLease", "Vacate", "Evict");
294 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
295 nfsstats.srvrpccnt[NFSPROC_MKNOD],
296 nfsstats.srvrpccnt[NFSPROC_FSSTAT],
297 nfsstats.srvrpccnt[NFSPROC_FSINFO],
298 nfsstats.srvrpccnt[NFSPROC_PATHCONF],
299 nfsstats.srvrpccnt[NFSPROC_COMMIT],
300 nfsstats.srvrpccnt[NQNFSPROC_GETLEASE],
301 nfsstats.srvrpccnt[NQNFSPROC_VACATED],
302 nfsstats.srvrpccnt[NQNFSPROC_EVICTED]);
303 printf("Server Ret-Failed\n");
304 printf("%17d\n", nfsstats.srvrpc_errs);
305 printf("Server Faults\n");
306 printf("%13d\n", nfsstats.srv_errs);
307 printf("Server Cache Stats:\n");
308 printf("%9.9s %9.9s %9.9s %9.9s\n",
309 "Inprog", "Idem", "Non-idem", "Misses");
310 printf("%9d %9d %9d %9d\n",
311 nfsstats.srvcache_inproghits,
312 nfsstats.srvcache_idemdonehits,
313 nfsstats.srvcache_nonidemdonehits,
314 nfsstats.srvcache_misses);
315 printf("Server Lease Stats:\n");
316 printf("%9.9s %9.9s %9.9s\n",
317 "Leases", "PeakL", "GLeases");
318 printf("%9d %9d %9d\n",
319 nfsstats.srvnqnfs_leases,
320 nfsstats.srvnqnfs_maxleases,
321 nfsstats.srvnqnfs_getleases);
322 printf("Server Write Gathering:\n");
323 printf("%9.9s %9.9s %9.9s\n",
324 "WriteOps", "WriteRPC", "Opsaved");
325 printf("%9d %9d %9d\n",
326 nfsstats.srvvop_writes,
327 nfsstats.srvrpccnt[NFSPROC_WRITE],
328 nfsstats.srvrpccnt[NFSPROC_WRITE] -
329 nfsstats.srvvop_writes);
333 u_char signalled; /* set if alarm goes off "early" */
336 * Print a running summary of nfs statistics.
337 * Repeat display every interval seconds, showing statistics
338 * collected over that interval. Assumes that interval is non-zero.
339 * First line printed at top of screen is always cumulative.
342 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
344 struct nfsstats nfsstats, lastst;
351 readstats(&nfsstats);
354 printhdr(clientOnly, serverOnly);
355 if (clientOnly && serverOnly)
361 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
362 ((clientOnly && serverOnly) ? "Client:" : ""),
363 DELTA(attrcache_hits) + DELTA(attrcache_misses),
364 DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
365 DELTA(biocache_readlinks),
366 DELTA(biocache_reads),
367 DELTA(biocache_writes),
368 nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
369 DELTA(accesscache_hits) + DELTA(accesscache_misses),
370 DELTA(biocache_readdirs)
373 printf(" %s %s %s %s %s %s",
374 sperc1(DELTA(attrcache_hits),
375 DELTA(attrcache_misses)),
376 sperc1(DELTA(lookupcache_hits),
377 DELTA(lookupcache_misses)),
378 sperc2(DELTA(biocache_reads),
380 sperc2(DELTA(biocache_writes),
382 sperc1(DELTA(accesscache_hits),
383 DELTA(accesscache_misses)),
384 sperc2(DELTA(biocache_readdirs),
391 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
392 ((clientOnly && serverOnly) ? "Server:" : ""),
393 nfsstats.srvrpccnt[NFSPROC_GETATTR]-lastst.srvrpccnt[NFSPROC_GETATTR],
394 nfsstats.srvrpccnt[NFSPROC_LOOKUP]-lastst.srvrpccnt[NFSPROC_LOOKUP],
395 nfsstats.srvrpccnt[NFSPROC_READLINK]-lastst.srvrpccnt[NFSPROC_READLINK],
396 nfsstats.srvrpccnt[NFSPROC_READ]-lastst.srvrpccnt[NFSPROC_READ],
397 nfsstats.srvrpccnt[NFSPROC_WRITE]-lastst.srvrpccnt[NFSPROC_WRITE],
398 nfsstats.srvrpccnt[NFSPROC_RENAME]-lastst.srvrpccnt[NFSPROC_RENAME],
399 nfsstats.srvrpccnt[NFSPROC_ACCESS]-lastst.srvrpccnt[NFSPROC_ACCESS],
400 (nfsstats.srvrpccnt[NFSPROC_READDIR]-lastst.srvrpccnt[NFSPROC_READDIR])
401 +(nfsstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastst.srvrpccnt[NFSPROC_READDIRPLUS]));
412 printhdr(int clientOnly, int serverOnly)
414 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
415 ((serverOnly && clientOnly) ? " " : " "),
416 "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
418 if (widemode && clientOnly) {
419 printf(" Attr Lkup BioR BioW Accs BioD");
428 (void)fprintf(stderr,
429 "usage: nfsstat [-csW] [-M core] [-N system] [-w interval]\n");
433 static char SPBuf[64][8];
437 sperc1(int hits, int misses)
439 char *p = SPBuf[SPIndex];
443 (int)(char)((quad_t)hits * 100 / (hits + misses)));
447 SPIndex = (SPIndex + 1) & 63;
452 sperc2(int ttl, int misses)
454 char *p = SPBuf[SPIndex];
458 (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
462 SPIndex = (SPIndex + 1) & 63;