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[] =
48 "$FreeBSD: src/usr.bin/nfsstat/nfsstat.c,v 1.15.2.3 2001/06/06 20:25:58 tmm Exp $";
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>
79 static int deadkernel = 0;
80 static int widemode = 0;
82 void intpr __P((int, int));
83 void printhdr __P((int, int));
84 void sidewaysintpr __P((u_int, int, int));
85 void usage __P((void));
86 char *sperc1 __P((int, int));
87 char *sperc2 __P((int, int));
89 #define DELTA(field) (nfsstats.field - lastst.field)
100 char errbuf[_POSIX2_LINE_MAX];
103 memf = nlistf = NULL;
104 while ((ch = getopt(argc, argv, "csWM:N:w:")) != -1)
116 interval = atoi(optarg);
135 #define BACKWARD_COMPATIBILITY
136 #ifdef BACKWARD_COMPATIBILITY
138 interval = atoi(*argv);
146 if (nlistf != NULL || memf != NULL) {
149 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
151 errx(1, "kvm_openfiles: %s", errbuf);
153 if (kvm_nlist(kd, nl) != 0) {
154 errx(1, "kvm_nlist: can't get names");
159 sidewaysintpr(interval, clientOnly, serverOnly);
161 intpr(clientOnly, serverOnly);
166 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
171 struct nfsstats *stp;
174 if(kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value, stp,
180 size_t buflen = sizeof *stp;
183 if (getvfsbyname("nfs", &vfc) < 0)
184 err(1, "getvfsbyname: NFS not compiled into kernel");
186 name[1] = vfc.vfc_typenum;
187 name[2] = NFS_NFSSTATS;
188 if (sysctl(name, 3, stp, &buflen, (void *)0, (size_t)0) < 0) {
195 * Print a description of the nfs stats.
198 intpr(int clientOnly, int serverOnly)
200 struct nfsstats nfsstats;
202 readstats(&nfsstats);
205 printf("Client Info:\n");
206 printf("Rpc Counts:\n");
207 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
208 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
209 "Write", "Create", "Remove");
210 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
211 nfsstats.rpccnt[NFSPROC_GETATTR],
212 nfsstats.rpccnt[NFSPROC_SETATTR],
213 nfsstats.rpccnt[NFSPROC_LOOKUP],
214 nfsstats.rpccnt[NFSPROC_READLINK],
215 nfsstats.rpccnt[NFSPROC_READ],
216 nfsstats.rpccnt[NFSPROC_WRITE],
217 nfsstats.rpccnt[NFSPROC_CREATE],
218 nfsstats.rpccnt[NFSPROC_REMOVE]);
219 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
220 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
221 "Readdir", "RdirPlus", "Access");
222 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
223 nfsstats.rpccnt[NFSPROC_RENAME],
224 nfsstats.rpccnt[NFSPROC_LINK],
225 nfsstats.rpccnt[NFSPROC_SYMLINK],
226 nfsstats.rpccnt[NFSPROC_MKDIR],
227 nfsstats.rpccnt[NFSPROC_RMDIR],
228 nfsstats.rpccnt[NFSPROC_READDIR],
229 nfsstats.rpccnt[NFSPROC_READDIRPLUS],
230 nfsstats.rpccnt[NFSPROC_ACCESS]);
231 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
232 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
233 "GLease", "Vacate", "Evict");
234 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
235 nfsstats.rpccnt[NFSPROC_MKNOD],
236 nfsstats.rpccnt[NFSPROC_FSSTAT],
237 nfsstats.rpccnt[NFSPROC_FSINFO],
238 nfsstats.rpccnt[NFSPROC_PATHCONF],
239 nfsstats.rpccnt[NFSPROC_COMMIT],
240 nfsstats.rpccnt[NQNFSPROC_GETLEASE],
241 nfsstats.rpccnt[NQNFSPROC_VACATED],
242 nfsstats.rpccnt[NQNFSPROC_EVICTED]);
243 printf("Rpc Info:\n");
244 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
245 "TimedOut", "Invalid", "X Replies", "Retries",
247 printf("%9d %9d %9d %9d %9d\n",
248 nfsstats.rpctimeouts,
250 nfsstats.rpcunexpected,
252 nfsstats.rpcrequests);
253 printf("Cache Info:\n");
254 printf("%9.9s %9.9s %9.9s %9.9s",
255 "Attr Hits", "Misses", "Lkup Hits", "Misses");
256 printf(" %9.9s %9.9s %9.9s %9.9s\n",
257 "BioR Hits", "Misses", "BioW Hits", "Misses");
258 printf("%9d %9d %9d %9d",
259 nfsstats.attrcache_hits, nfsstats.attrcache_misses,
260 nfsstats.lookupcache_hits, nfsstats.lookupcache_misses);
261 printf(" %9d %9d %9d %9d\n",
262 nfsstats.biocache_reads-nfsstats.read_bios,
264 nfsstats.biocache_writes-nfsstats.write_bios,
265 nfsstats.write_bios);
266 printf("%9.9s %9.9s %9.9s %9.9s",
267 "BioRLHits", "Misses", "BioD Hits", "Misses");
268 printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
269 printf("%9d %9d %9d %9d",
270 nfsstats.biocache_readlinks-nfsstats.readlink_bios,
271 nfsstats.readlink_bios,
272 nfsstats.biocache_readdirs-nfsstats.readdir_bios,
273 nfsstats.readdir_bios);
275 nfsstats.direofcache_hits, nfsstats.direofcache_misses);
278 printf("\nServer Info:\n");
279 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
280 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
281 "Write", "Create", "Remove");
282 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
283 nfsstats.srvrpccnt[NFSPROC_GETATTR],
284 nfsstats.srvrpccnt[NFSPROC_SETATTR],
285 nfsstats.srvrpccnt[NFSPROC_LOOKUP],
286 nfsstats.srvrpccnt[NFSPROC_READLINK],
287 nfsstats.srvrpccnt[NFSPROC_READ],
288 nfsstats.srvrpccnt[NFSPROC_WRITE],
289 nfsstats.srvrpccnt[NFSPROC_CREATE],
290 nfsstats.srvrpccnt[NFSPROC_REMOVE]);
291 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
292 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
293 "Readdir", "RdirPlus", "Access");
294 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
295 nfsstats.srvrpccnt[NFSPROC_RENAME],
296 nfsstats.srvrpccnt[NFSPROC_LINK],
297 nfsstats.srvrpccnt[NFSPROC_SYMLINK],
298 nfsstats.srvrpccnt[NFSPROC_MKDIR],
299 nfsstats.srvrpccnt[NFSPROC_RMDIR],
300 nfsstats.srvrpccnt[NFSPROC_READDIR],
301 nfsstats.srvrpccnt[NFSPROC_READDIRPLUS],
302 nfsstats.srvrpccnt[NFSPROC_ACCESS]);
303 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
304 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
305 "GLease", "Vacate", "Evict");
306 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
307 nfsstats.srvrpccnt[NFSPROC_MKNOD],
308 nfsstats.srvrpccnt[NFSPROC_FSSTAT],
309 nfsstats.srvrpccnt[NFSPROC_FSINFO],
310 nfsstats.srvrpccnt[NFSPROC_PATHCONF],
311 nfsstats.srvrpccnt[NFSPROC_COMMIT],
312 nfsstats.srvrpccnt[NQNFSPROC_GETLEASE],
313 nfsstats.srvrpccnt[NQNFSPROC_VACATED],
314 nfsstats.srvrpccnt[NQNFSPROC_EVICTED]);
315 printf("Server Ret-Failed\n");
316 printf("%17d\n", nfsstats.srvrpc_errs);
317 printf("Server Faults\n");
318 printf("%13d\n", nfsstats.srv_errs);
319 printf("Server Cache Stats:\n");
320 printf("%9.9s %9.9s %9.9s %9.9s\n",
321 "Inprog", "Idem", "Non-idem", "Misses");
322 printf("%9d %9d %9d %9d\n",
323 nfsstats.srvcache_inproghits,
324 nfsstats.srvcache_idemdonehits,
325 nfsstats.srvcache_nonidemdonehits,
326 nfsstats.srvcache_misses);
327 printf("Server Lease Stats:\n");
328 printf("%9.9s %9.9s %9.9s\n",
329 "Leases", "PeakL", "GLeases");
330 printf("%9d %9d %9d\n",
331 nfsstats.srvnqnfs_leases,
332 nfsstats.srvnqnfs_maxleases,
333 nfsstats.srvnqnfs_getleases);
334 printf("Server Write Gathering:\n");
335 printf("%9.9s %9.9s %9.9s\n",
336 "WriteOps", "WriteRPC", "Opsaved");
337 printf("%9d %9d %9d\n",
338 nfsstats.srvvop_writes,
339 nfsstats.srvrpccnt[NFSPROC_WRITE],
340 nfsstats.srvrpccnt[NFSPROC_WRITE] -
341 nfsstats.srvvop_writes);
345 u_char signalled; /* set if alarm goes off "early" */
348 * Print a running summary of nfs statistics.
349 * Repeat display every interval seconds, showing statistics
350 * collected over that interval. Assumes that interval is non-zero.
351 * First line printed at top of screen is always cumulative.
354 sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
356 struct nfsstats nfsstats, lastst;
363 readstats(&nfsstats);
366 printhdr(clientOnly, serverOnly);
367 if (clientOnly && serverOnly)
373 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
374 ((clientOnly && serverOnly) ? "Client:" : ""),
375 DELTA(attrcache_hits) + DELTA(attrcache_misses),
376 DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
377 DELTA(biocache_readlinks),
378 DELTA(biocache_reads),
379 DELTA(biocache_writes),
380 nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
381 DELTA(accesscache_hits) + DELTA(accesscache_misses),
382 DELTA(biocache_readdirs)
385 printf(" %s %s %s %s %s %s",
386 sperc1(DELTA(attrcache_hits),
387 DELTA(attrcache_misses)),
388 sperc1(DELTA(lookupcache_hits),
389 DELTA(lookupcache_misses)),
390 sperc2(DELTA(biocache_reads),
392 sperc2(DELTA(biocache_writes),
394 sperc1(DELTA(accesscache_hits),
395 DELTA(accesscache_misses)),
396 sperc2(DELTA(biocache_readdirs),
403 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
404 ((clientOnly && serverOnly) ? "Server:" : ""),
405 nfsstats.srvrpccnt[NFSPROC_GETATTR]-lastst.srvrpccnt[NFSPROC_GETATTR],
406 nfsstats.srvrpccnt[NFSPROC_LOOKUP]-lastst.srvrpccnt[NFSPROC_LOOKUP],
407 nfsstats.srvrpccnt[NFSPROC_READLINK]-lastst.srvrpccnt[NFSPROC_READLINK],
408 nfsstats.srvrpccnt[NFSPROC_READ]-lastst.srvrpccnt[NFSPROC_READ],
409 nfsstats.srvrpccnt[NFSPROC_WRITE]-lastst.srvrpccnt[NFSPROC_WRITE],
410 nfsstats.srvrpccnt[NFSPROC_RENAME]-lastst.srvrpccnt[NFSPROC_RENAME],
411 nfsstats.srvrpccnt[NFSPROC_ACCESS]-lastst.srvrpccnt[NFSPROC_ACCESS],
412 (nfsstats.srvrpccnt[NFSPROC_READDIR]-lastst.srvrpccnt[NFSPROC_READDIR])
413 +(nfsstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastst.srvrpccnt[NFSPROC_READDIRPLUS]));
424 printhdr(int clientOnly, int serverOnly)
426 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
427 ((serverOnly && clientOnly) ? " " : " "),
428 "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
430 if (widemode && clientOnly) {
431 printf(" Attr Lkup BioR BioW Accs BioD");
440 (void)fprintf(stderr,
441 "usage: nfsstat [-csW] [-M core] [-N system] [-w interval]\n");
445 static char SPBuf[64][8];
449 sperc1(int hits, int misses)
451 char *p = SPBuf[SPIndex];
455 (int)(char)((quad_t)hits * 100 / (hits + misses)));
459 SPIndex = (SPIndex + 1) & 63;
464 sperc2(int ttl, int misses)
466 char *p = SPBuf[SPIndex];
470 (int)(char)((quad_t)(ttl - misses) * 100 / ttl));
474 SPIndex = (SPIndex + 1) & 63;