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 1.4 2004/07/16 00:55:04 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)
83 main(int argc
, char **argv
)
90 char errbuf
[_POSIX2_LINE_MAX
];
94 while ((ch
= getopt(argc
, argv
, "csWM:N:w:")) != -1)
106 interval
= atoi(optarg
);
125 #define BACKWARD_COMPATIBILITY
126 #ifdef BACKWARD_COMPATIBILITY
128 interval
= atoi(*argv
);
136 if (nlistf
!= NULL
|| memf
!= NULL
) {
139 if ((kd
= kvm_openfiles(nlistf
, memf
, NULL
, O_RDONLY
,
141 errx(1, "kvm_openfiles: %s", errbuf
);
143 if (kvm_nlist(kd
, nl
) != 0) {
144 errx(1, "kvm_nlist: can't get names");
149 sidewaysintpr(interval
, clientOnly
, serverOnly
);
151 intpr(clientOnly
, serverOnly
);
156 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
160 readstats(struct nfsstats
*stp
)
163 if(kvm_read(kd
, (u_long
)nl
[N_NFSSTAT
].n_value
, stp
,
169 size_t buflen
= sizeof *stp
;
172 if (getvfsbyname("nfs", &vfc
) < 0)
173 err(1, "getvfsbyname: NFS not compiled into kernel");
175 name
[1] = vfc
.vfc_typenum
;
176 name
[2] = NFS_NFSSTATS
;
177 if (sysctl(name
, 3, stp
, &buflen
, (void *)0, (size_t)0) < 0) {
184 * Print a description of the nfs stats.
187 intpr(int clientOnly
, int serverOnly
)
189 struct nfsstats nfsstats
;
191 readstats(&nfsstats
);
194 printf("Client Info:\n");
195 printf("Rpc Counts:\n");
196 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
197 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
198 "Write", "Create", "Remove");
199 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
200 nfsstats
.rpccnt
[NFSPROC_GETATTR
],
201 nfsstats
.rpccnt
[NFSPROC_SETATTR
],
202 nfsstats
.rpccnt
[NFSPROC_LOOKUP
],
203 nfsstats
.rpccnt
[NFSPROC_READLINK
],
204 nfsstats
.rpccnt
[NFSPROC_READ
],
205 nfsstats
.rpccnt
[NFSPROC_WRITE
],
206 nfsstats
.rpccnt
[NFSPROC_CREATE
],
207 nfsstats
.rpccnt
[NFSPROC_REMOVE
]);
208 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
209 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
210 "Readdir", "RdirPlus", "Access");
211 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
212 nfsstats
.rpccnt
[NFSPROC_RENAME
],
213 nfsstats
.rpccnt
[NFSPROC_LINK
],
214 nfsstats
.rpccnt
[NFSPROC_SYMLINK
],
215 nfsstats
.rpccnt
[NFSPROC_MKDIR
],
216 nfsstats
.rpccnt
[NFSPROC_RMDIR
],
217 nfsstats
.rpccnt
[NFSPROC_READDIR
],
218 nfsstats
.rpccnt
[NFSPROC_READDIRPLUS
],
219 nfsstats
.rpccnt
[NFSPROC_ACCESS
]);
220 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
221 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
222 "GLease", "Vacate", "Evict");
223 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
224 nfsstats
.rpccnt
[NFSPROC_MKNOD
],
225 nfsstats
.rpccnt
[NFSPROC_FSSTAT
],
226 nfsstats
.rpccnt
[NFSPROC_FSINFO
],
227 nfsstats
.rpccnt
[NFSPROC_PATHCONF
],
228 nfsstats
.rpccnt
[NFSPROC_COMMIT
],
229 nfsstats
.rpccnt
[NQNFSPROC_GETLEASE
],
230 nfsstats
.rpccnt
[NQNFSPROC_VACATED
],
231 nfsstats
.rpccnt
[NQNFSPROC_EVICTED
]);
232 printf("Rpc Info:\n");
233 printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
234 "TimedOut", "Invalid", "X Replies", "Retries",
236 printf("%9d %9d %9d %9d %9d\n",
237 nfsstats
.rpctimeouts
,
239 nfsstats
.rpcunexpected
,
241 nfsstats
.rpcrequests
);
242 printf("Cache Info:\n");
243 printf("%9.9s %9.9s %9.9s %9.9s",
244 "Attr Hits", "Misses", "Lkup Hits", "Misses");
245 printf(" %9.9s %9.9s %9.9s %9.9s\n",
246 "BioR Hits", "Misses", "BioW Hits", "Misses");
247 printf("%9d %9d %9d %9d",
248 nfsstats
.attrcache_hits
, nfsstats
.attrcache_misses
,
249 nfsstats
.lookupcache_hits
, nfsstats
.lookupcache_misses
);
250 printf(" %9d %9d %9d %9d\n",
251 nfsstats
.biocache_reads
-nfsstats
.read_bios
,
253 nfsstats
.biocache_writes
-nfsstats
.write_bios
,
254 nfsstats
.write_bios
);
255 printf("%9.9s %9.9s %9.9s %9.9s",
256 "BioRLHits", "Misses", "BioD Hits", "Misses");
257 printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
258 printf("%9d %9d %9d %9d",
259 nfsstats
.biocache_readlinks
-nfsstats
.readlink_bios
,
260 nfsstats
.readlink_bios
,
261 nfsstats
.biocache_readdirs
-nfsstats
.readdir_bios
,
262 nfsstats
.readdir_bios
);
264 nfsstats
.direofcache_hits
, nfsstats
.direofcache_misses
);
267 printf("\nServer Info:\n");
268 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
269 "Getattr", "Setattr", "Lookup", "Readlink", "Read",
270 "Write", "Create", "Remove");
271 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
272 nfsstats
.srvrpccnt
[NFSPROC_GETATTR
],
273 nfsstats
.srvrpccnt
[NFSPROC_SETATTR
],
274 nfsstats
.srvrpccnt
[NFSPROC_LOOKUP
],
275 nfsstats
.srvrpccnt
[NFSPROC_READLINK
],
276 nfsstats
.srvrpccnt
[NFSPROC_READ
],
277 nfsstats
.srvrpccnt
[NFSPROC_WRITE
],
278 nfsstats
.srvrpccnt
[NFSPROC_CREATE
],
279 nfsstats
.srvrpccnt
[NFSPROC_REMOVE
]);
280 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
281 "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
282 "Readdir", "RdirPlus", "Access");
283 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
284 nfsstats
.srvrpccnt
[NFSPROC_RENAME
],
285 nfsstats
.srvrpccnt
[NFSPROC_LINK
],
286 nfsstats
.srvrpccnt
[NFSPROC_SYMLINK
],
287 nfsstats
.srvrpccnt
[NFSPROC_MKDIR
],
288 nfsstats
.srvrpccnt
[NFSPROC_RMDIR
],
289 nfsstats
.srvrpccnt
[NFSPROC_READDIR
],
290 nfsstats
.srvrpccnt
[NFSPROC_READDIRPLUS
],
291 nfsstats
.srvrpccnt
[NFSPROC_ACCESS
]);
292 printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
293 "Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit",
294 "GLease", "Vacate", "Evict");
295 printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
296 nfsstats
.srvrpccnt
[NFSPROC_MKNOD
],
297 nfsstats
.srvrpccnt
[NFSPROC_FSSTAT
],
298 nfsstats
.srvrpccnt
[NFSPROC_FSINFO
],
299 nfsstats
.srvrpccnt
[NFSPROC_PATHCONF
],
300 nfsstats
.srvrpccnt
[NFSPROC_COMMIT
],
301 nfsstats
.srvrpccnt
[NQNFSPROC_GETLEASE
],
302 nfsstats
.srvrpccnt
[NQNFSPROC_VACATED
],
303 nfsstats
.srvrpccnt
[NQNFSPROC_EVICTED
]);
304 printf("Server Ret-Failed\n");
305 printf("%17d\n", nfsstats
.srvrpc_errs
);
306 printf("Server Faults\n");
307 printf("%13d\n", nfsstats
.srv_errs
);
308 printf("Server Cache Stats:\n");
309 printf("%9.9s %9.9s %9.9s %9.9s\n",
310 "Inprog", "Idem", "Non-idem", "Misses");
311 printf("%9d %9d %9d %9d\n",
312 nfsstats
.srvcache_inproghits
,
313 nfsstats
.srvcache_idemdonehits
,
314 nfsstats
.srvcache_nonidemdonehits
,
315 nfsstats
.srvcache_misses
);
316 printf("Server Lease Stats:\n");
317 printf("%9.9s %9.9s %9.9s\n",
318 "Leases", "PeakL", "GLeases");
319 printf("%9d %9d %9d\n",
320 nfsstats
.srvnqnfs_leases
,
321 nfsstats
.srvnqnfs_maxleases
,
322 nfsstats
.srvnqnfs_getleases
);
323 printf("Server Write Gathering:\n");
324 printf("%9.9s %9.9s %9.9s\n",
325 "WriteOps", "WriteRPC", "Opsaved");
326 printf("%9d %9d %9d\n",
327 nfsstats
.srvvop_writes
,
328 nfsstats
.srvrpccnt
[NFSPROC_WRITE
],
329 nfsstats
.srvrpccnt
[NFSPROC_WRITE
] -
330 nfsstats
.srvvop_writes
);
334 u_char signalled
; /* set if alarm goes off "early" */
337 * Print a running summary of nfs statistics.
338 * Repeat display every interval seconds, showing statistics
339 * collected over that interval. Assumes that interval is non-zero.
340 * First line printed at top of screen is always cumulative.
343 sidewaysintpr(u_int interval
, int clientOnly
, int serverOnly
)
345 struct nfsstats nfsstats
, lastst
;
352 readstats(&nfsstats
);
355 printhdr(clientOnly
, serverOnly
);
356 if (clientOnly
&& serverOnly
)
362 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
363 ((clientOnly
&& serverOnly
) ? "Client:" : ""),
364 DELTA(attrcache_hits
) + DELTA(attrcache_misses
),
365 DELTA(lookupcache_hits
) + DELTA(lookupcache_misses
),
366 DELTA(biocache_readlinks
),
367 DELTA(biocache_reads
),
368 DELTA(biocache_writes
),
369 nfsstats
.rpccnt
[NFSPROC_RENAME
]-lastst
.rpccnt
[NFSPROC_RENAME
],
370 DELTA(accesscache_hits
) + DELTA(accesscache_misses
),
371 DELTA(biocache_readdirs
)
374 printf(" %s %s %s %s %s %s",
375 sperc1(DELTA(attrcache_hits
),
376 DELTA(attrcache_misses
)),
377 sperc1(DELTA(lookupcache_hits
),
378 DELTA(lookupcache_misses
)),
379 sperc2(DELTA(biocache_reads
),
381 sperc2(DELTA(biocache_writes
),
383 sperc1(DELTA(accesscache_hits
),
384 DELTA(accesscache_misses
)),
385 sperc2(DELTA(biocache_readdirs
),
392 printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
393 ((clientOnly
&& serverOnly
) ? "Server:" : ""),
394 nfsstats
.srvrpccnt
[NFSPROC_GETATTR
]-lastst
.srvrpccnt
[NFSPROC_GETATTR
],
395 nfsstats
.srvrpccnt
[NFSPROC_LOOKUP
]-lastst
.srvrpccnt
[NFSPROC_LOOKUP
],
396 nfsstats
.srvrpccnt
[NFSPROC_READLINK
]-lastst
.srvrpccnt
[NFSPROC_READLINK
],
397 nfsstats
.srvrpccnt
[NFSPROC_READ
]-lastst
.srvrpccnt
[NFSPROC_READ
],
398 nfsstats
.srvrpccnt
[NFSPROC_WRITE
]-lastst
.srvrpccnt
[NFSPROC_WRITE
],
399 nfsstats
.srvrpccnt
[NFSPROC_RENAME
]-lastst
.srvrpccnt
[NFSPROC_RENAME
],
400 nfsstats
.srvrpccnt
[NFSPROC_ACCESS
]-lastst
.srvrpccnt
[NFSPROC_ACCESS
],
401 (nfsstats
.srvrpccnt
[NFSPROC_READDIR
]-lastst
.srvrpccnt
[NFSPROC_READDIR
])
402 +(nfsstats
.srvrpccnt
[NFSPROC_READDIRPLUS
]-lastst
.srvrpccnt
[NFSPROC_READDIRPLUS
]));
413 printhdr(int clientOnly
, int serverOnly
)
415 printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
416 ((serverOnly
&& clientOnly
) ? " " : " "),
417 "GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
419 if (widemode
&& clientOnly
) {
420 printf(" Attr Lkup BioR BioW Accs BioD");
429 (void)fprintf(stderr
,
430 "usage: nfsstat [-csW] [-M core] [-N system] [-w interval]\n");
434 static char SPBuf
[64][8];
438 sperc1(int hits
, int misses
)
440 char *p
= SPBuf
[SPIndex
];
444 (int)(char)((quad_t
)hits
* 100 / (hits
+ misses
)));
448 SPIndex
= (SPIndex
+ 1) & 63;
453 sperc2(int ttl
, int misses
)
455 char *p
= SPBuf
[SPIndex
];
459 (int)(char)((quad_t
)(ttl
- misses
) * 100 / ttl
));
463 SPIndex
= (SPIndex
+ 1) & 63;