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
38 static char copyright[] =
39 "@(#) Copyright (c) 1983, 1989, 1993\n\
40 The Regents of the University of California. All rights reserved.\n";
45 static char sccsid[] = "@(#)nfsstat.c 8.2 (Berkeley) 3/31/95";
47 static const char rcsid[] =
51 #include <sys/param.h>
52 #include <sys/mount.h>
54 #include <sys/sysctl.h>
55 #include <nfs/rpcv2.h>
56 #include <nfs/nfsproto.h>
78 static int deadkernel = 0;
79 static int widemode = 0;
81 void intpr __P((int, int));
82 void printhdr __P((int, int));
83 void sidewaysintpr __P((u_int, int, int));
84 void usage __P((void));
85 char *sperc1 __P((int, int));
86 char *sperc2 __P((int, int));
88 #define DELTA(field) (nfsstats.field - lastst.field)
102 memf = nlistf = NULL;
103 while ((ch = getopt(argc, argv, "csWM:N:w:")) != -1)
115 interval = atoi(optarg);
134 #define BACKWARD_COMPATIBILITY
135 #ifdef BACKWARD_COMPATIBILITY
137 interval = atoi(*argv);
145 if (nlistf != NULL || memf != NULL) {
148 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
150 errx(1, "kvm_openfiles: %s", errbuf);
152 if (kvm_nlist(kd, nl) != 0) {
153 errx(1, "kvm_nlist: can't get names");
158 sidewaysintpr(interval, clientOnly, serverOnly);
160 intpr(clientOnly, serverOnly);
165 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
170 struct nfsstats *stp;
173 if(kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value, stp,
179 size_t buflen = sizeof *stp;
182 if (getvfsbyname("nfs", &vfc) < 0)
183 err(1, "getvfsbyname: NFS not compiled into kernel");
185 name[1] = vfc.vfc_typenum;
186 name[2] = NFS_NFSSTATS;
187 if (sysctl(name, 3, stp, &buflen, (void *)0, (size_t)0) < 0) {
194 * Print a description of the nfs stats.
197 intpr(int clientOnly, int serverOnly)
199 struct nfsstats nfsstats;
201 readstats(&nfsstats);
204 printf("Client Info:\n");
205 printf("Rpc Counts:\n");
206 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
207 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
208 "Write", "Create", "Remove");
209 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
210 nfsstats.rpccnt[NFSPROC_GETATTR],
211 nfsstats.rpccnt[NFSPROC_SETATTR],
212 nfsstats.rpccnt[NFSPROC_LOOKUP],
213 nfsstats.rpccnt[NFSPROC_READLINK],
214 nfsstats.rpccnt[NFSPROC_READ],
215 nfsstats.rpccnt[NFSPROC_WRITE],
216 nfsstats.rpccnt[NFSPROC_CREATE],
217 nfsstats.rpccnt[NFSPROC_REMOVE]);
218 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
219 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
220 "Readdir", "RdirPlus", "Access");
221 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
222 nfsstats.rpccnt[NFSPROC_RENAME],
223 nfsstats.rpccnt[NFSPROC_LINK],
224 nfsstats.rpccnt[NFSPROC_SYMLINK],
225 nfsstats.rpccnt[NFSPROC_MKDIR],
226 nfsstats.rpccnt[NFSPROC_RMDIR],
227 nfsstats.rpccnt[NFSPROC_READDIR],
228 nfsstats.rpccnt[NFSPROC_READDIRPLUS],
229 nfsstats.rpccnt[NFSPROC_ACCESS]);
230 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
231 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
232 "GLease", "Vacate", "Evict");
233 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
234 nfsstats.rpccnt[NFSPROC_MKNOD],
235 nfsstats.rpccnt[NFSPROC_FSSTAT],
236 nfsstats.rpccnt[NFSPROC_FSINFO],
237 nfsstats.rpccnt[NFSPROC_PATHCONF],
238 nfsstats.rpccnt[NFSPROC_COMMIT],
239 nfsstats.rpccnt[NQNFSPROC_GETLEASE],
240 nfsstats.rpccnt[NQNFSPROC_VACATED],
241 nfsstats.rpccnt[NQNFSPROC_EVICTED]);
242 printf("Rpc Info:\n");
243 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
244 "TimedOut", "Invalid", "X Replies", "Retries",
246 printf("%9d %9d %9d %9d %9d\n",
247 nfsstats.rpctimeouts,
249 nfsstats.rpcunexpected,
251 nfsstats.rpcrequests);
252 printf("Cache Info:\n");
253 printf("%9.9s %9.9s %9.9s %9.9s",
254 "Attr Hits", "Misses", "Lkup Hits", "Misses");
255 printf(" %9.9s %9.9s %9.9s %9.9s\n",
256 "BioR Hits", "Misses", "BioW Hits", "Misses");
257 printf("%9d %9d %9d %9d",
258 nfsstats.attrcache_hits, nfsstats.attrcache_misses,
259 nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
260 printf(" %9d %9d %9d %9d\n",
261 nfsstats.biocache_reads-nfsstats.read_bios,
263 nfsstats.biocache_writes-nfsstats.write_bios,
264 nfsstats.write_bios);
265 printf("%9.9s %9.9s %9.9s %9.9s",
266 "BioRLHits", "Misses", "BioD Hits", "Misses");
267 printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
268 printf("%9d %9d %9d %9d",
269 nfsstats.biocache_readlinks-nfsstats.readlink_bios,
270 nfsstats.readlink_bios,
271 nfsstats.biocache_readdirs-nfsstats.readdir_bios,
272 nfsstats.readdir_bios);
274 nfsstats.direofcache_hits, nfsstats.direofcache_misses);
277 printf("\nServer Info:\n");
278 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
279 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
280 "Write", "Create", "Remove");
281 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
282 nfsstats.srvrpccnt[NFSPROC_GETATTR],
283 nfsstats.srvrpccnt[NFSPROC_SETATTR],
284 nfsstats.srvrpccnt[NFSPROC_LOOKUP],
285 nfsstats.srvrpccnt[NFSPROC_READLINK],
286 nfsstats.srvrpccnt[NFSPROC_READ],
287 nfsstats.srvrpccnt[NFSPROC_WRITE],
288 nfsstats.srvrpccnt[NFSPROC_CREATE],
289 nfsstats.srvrpccnt[NFSPROC_REMOVE]);
290 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
291 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
292 "Readdir", "RdirPlus", "Access");
293 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
294 nfsstats.srvrpccnt[NFSPROC_RENAME],
295 nfsstats.srvrpccnt[NFSPROC_LINK],
296 nfsstats.srvrpccnt[NFSPROC_SYMLINK],
297 nfsstats.srvrpccnt[NFSPROC_MKDIR],
298 nfsstats.srvrpccnt[NFSPROC_RMDIR],
299 nfsstats.srvrpccnt[NFSPROC_READDIR],
300 nfsstats.srvrpccnt[NFSPROC_READDIRPLUS],
301 nfsstats.srvrpccnt[NFSPROC_ACCESS]);
302 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
303 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
304 "GLease", "Vacate", "Evict");
305 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
306 nfsstats.srvrpccnt[NFSPROC_MKNOD],
307 nfsstats.srvrpccnt[NFSPROC_FSSTAT],
308 nfsstats.srvrpccnt[NFSPROC_FSINFO],
309 nfsstats.srvrpccnt[NFSPROC_PATHCONF],
310 nfsstats.srvrpccnt[NFSPROC_COMMIT],
311 nfsstats.srvrpccnt[NQNFSPROC_GETLEASE],
312 nfsstats.srvrpccnt[NQNFSPROC_VACATED],
313 nfsstats.srvrpccnt[NQNFSPROC_EVICTED]);
314 printf("Server Ret-Failed\n");
315 printf("%17d\n", nfsstats.srvrpc_errs);
316 printf("Server Faults\n");
317 printf("%13d\n", nfsstats.srv_errs);
318 printf("Server Cache Stats:\n");
319 printf("%9.9s %9.9s %9.9s %9.9s\n",
320 "Inprog", "Idem", "Non-idem", "Misses");
321 printf("%9d %9d %9d %9d\n",
322 nfsstats.srvcache_inproghits,
323 nfsstats.srvcache_idemdonehits,
324 nfsstats.srvcache_nonidemdonehits,
325 nfsstats.srvcache_misses);
326 printf("Server Lease Stats:\n");
327 printf("%9.9s %9.9s %9.9s\n",
328 "Leases", "PeakL", "GLeases");
329 printf("%9d %9d %9d\n",
330 nfsstats.srvnqnfs_leases,
331 nfsstats.srvnqnfs_maxleases,
332 nfsstats.srvnqnfs_getleases);
333 printf("Server Write Gathering:\n");
334 printf("%9.9s %9.9s %9.9s\n",
335 "WriteOps", "WriteRPC", "Opsaved");
336 printf("%9d %9d %9d\n",
337 nfsstats.srvvop_writes,
338 nfsstats.srvrpccnt[NFSPROC_WRITE],
339 nfsstats.srvrpccnt[NFSPROC_WRITE] -
340 nfsstats.srvvop_writes);
344 u_char signalled; /* set if alarm goes off "early" */
347 * Print a running summary of nfs statistics.
348 * Repeat display every interval seconds, showing statistics
349 * collected over that interval. Assumes that interval is non-zero.
350 * First line printed at top of screen is always cumulative.
353 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
355 struct nfsstats nfsstats, lastst;
362 readstats(&nfsstats);
365 printhdr(clientOnly, serverOnly);
366 if (clientOnly && serverOnly)
372 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
373 ((clientOnly && serverOnly) ? "Client:" : ""),
374 DELTA(attrcache_hits) + DELTA(attrcache_misses),
375 DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
376 DELTA(biocache_readlinks),
377 DELTA(biocache_reads),
378 DELTA(biocache_writes),
379 nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
380 DELTA(accesscache_hits) + DELTA(accesscache_misses),
381 DELTA(biocache_readdirs)
384 printf(" %s %s %s %s %s %s",
385 sperc1(DELTA(attrcache_hits),
386 DELTA(attrcache_misses)),
387 sperc1(DELTA(lookupcache_hits),
388 DELTA(lookupcache_misses)),
389 sperc2(DELTA(biocache_reads),
391 sperc2(DELTA(biocache_writes),
393 sperc1(DELTA(accesscache_hits),
394 DELTA(accesscache_misses)),
395 sperc2(DELTA(biocache_readdirs),
402 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
403 ((clientOnly && serverOnly) ? "Server:" : ""),
404 nfsstats.srvrpccnt[NFSPROC_GETATTR]-lastst.srvrpccnt[NFSPROC_GETATTR],
405 nfsstats.srvrpccnt[NFSPROC_LOOKUP]-lastst.srvrpccnt[NFSPROC_LOOKUP],
406 nfsstats.srvrpccnt[NFSPROC_READLINK]-lastst.srvrpccnt[NFSPROC_READLINK],
407 nfsstats.srvrpccnt[NFSPROC_READ]-lastst.srvrpccnt[NFSPROC_READ],
408 nfsstats.srvrpccnt[NFSPROC_WRITE]-lastst.srvrpccnt[NFSPROC_WRITE],
409 nfsstats.srvrpccnt[NFSPROC_RENAME]-lastst.srvrpccnt[NFSPROC_RENAME],
410 nfsstats.srvrpccnt[NFSPROC_ACCESS]-lastst.srvrpccnt[NFSPROC_ACCESS],
411 (nfsstats.srvrpccnt[NFSPROC_READDIR]-lastst.srvrpccnt[NFSPROC_READDIR])
412 +(nfsstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastst.srvrpccnt[NFSPROC_READDIRPLUS]));
423 printhdr(int clientOnly, int serverOnly)
425 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
426 ((serverOnly && clientOnly) ? " " : " "),
427 "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
429 if (widemode && clientOnly) {
430 printf(" Attr Lkup BioR BioW Accs BioD");
439 (void)fprintf(stderr,
440 "usage: nfsstat [-csW] [-M core] [-N system] [-w interval]\n");
444 static char SPBuf[64][8];
448 sperc1(int hits, int misses)
450 char *p = SPBuf[SPIndex];
454 (int)(char)((quad_t)hits * 100 / (hits + misses)));
458 SPIndex = (SPIndex + 1) & 63;
463 sperc2(int ttl, int misses)
465 char *p = SPBuf[SPIndex];
469 (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
473 SPIndex = (SPIndex + 1) & 63;