Commit | Line | Data |
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984263bc MD |
1 | /* |
2 | * Copyright (c) 1980, 1986, 1991, 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
dc71b7ab | 13 | * 3. Neither the name of the University nor the names of its contributors |
984263bc MD |
14 | * may be used to endorse or promote products derived from this software |
15 | * without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
27 | * SUCH DAMAGE. | |
1de703da MD |
28 | * |
29 | * @(#) Copyright (c) 1980, 1986, 1991, 1993 The Regents of the University of California. All rights reserved. | |
30 | * @(#)vmstat.c 8.1 (Berkeley) 6/6/93 | |
31 | * $FreeBSD: src/usr.bin/vmstat/vmstat.c,v 1.38.2.4 2001/07/31 19:52:41 tmm Exp $ | |
984263bc MD |
32 | */ |
33 | ||
e0ecab34 | 34 | #include <sys/user.h> |
984263bc MD |
35 | #include <sys/param.h> |
36 | #include <sys/time.h> | |
984263bc MD |
37 | #include <sys/uio.h> |
38 | #include <sys/namei.h> | |
f4a28304 | 39 | #include <sys/objcache.h> |
984263bc MD |
40 | #include <sys/signal.h> |
41 | #include <sys/fcntl.h> | |
42 | #include <sys/ioctl.h> | |
43 | #include <sys/sysctl.h> | |
44 | #include <sys/vmmeter.h> | |
c83c147e | 45 | #include <sys/interrupt.h> |
984263bc MD |
46 | |
47 | #include <vm/vm_param.h> | |
006835dc | 48 | #include <vm/vm_zone.h> |
984263bc MD |
49 | |
50 | #include <ctype.h> | |
51 | #include <err.h> | |
52 | #include <errno.h> | |
f5d21610 | 53 | #include <kinfo.h> |
984263bc MD |
54 | #include <kvm.h> |
55 | #include <limits.h> | |
56 | #include <nlist.h> | |
57 | #include <paths.h> | |
58 | #include <stdio.h> | |
59 | #include <stdlib.h> | |
60 | #include <string.h> | |
61 | #include <sysexits.h> | |
62 | #include <time.h> | |
63 | #include <unistd.h> | |
64 | #include <devstat.h> | |
65 | ||
5a190a5c | 66 | static struct nlist namelist[] = { |
f5d21610 | 67 | #define X_BOOTTIME 0 |
2c9bc808 | 68 | { "_boottime", 0, 0, 0, 0 }, |
f5d21610 | 69 | #define X_NCHSTATS 1 |
2c9bc808 | 70 | { "_nchstats", 0, 0, 0, 0 }, |
36f85d00 | 71 | #define X_KMEMSTATISTICS 2 |
2c9bc808 | 72 | { "_kmemstatistics", 0, 0, 0, 0 }, |
36f85d00 MD |
73 | #define X_NCPUS 3 |
74 | { "_ncpus", 0, 0, 0, 0 }, | |
75 | #define X_ZLIST 4 | |
2c9bc808 | 76 | { "_zlist", 0, 0, 0, 0 }, |
e9dbfea1 MD |
77 | #define X_KSLAB_DUMMY 5 |
78 | { "_kslab_dummy", 0, 0, 0, 0 }, | |
984263bc | 79 | #ifdef notyet |
e9dbfea1 | 80 | #define X_DEFICIT 6 |
2c9bc808 | 81 | { "_deficit", 0, 0, 0, 0 }, |
e9dbfea1 | 82 | #define X_FORKSTAT 7 |
2c9bc808 | 83 | { "_forkstat", 0, 0, 0, 0 }, |
e9dbfea1 | 84 | #define X_REC 8 |
2c9bc808 | 85 | { "_rectime", 0, 0, 0, 0 }, |
e9dbfea1 | 86 | #define X_PGIN 9 |
2c9bc808 | 87 | { "_pgintime", 0, 0, 0, 0 }, |
e9dbfea1 | 88 | #define X_XSTATS 10 |
2c9bc808 | 89 | { "_xstats", 0, 0, 0, 0 }, |
e9dbfea1 | 90 | #define X_END 11 |
984263bc | 91 | #else |
e9dbfea1 | 92 | #define X_END 6 |
984263bc | 93 | #endif |
2c9bc808 | 94 | { "", 0, 0, 0, 0 }, |
984263bc MD |
95 | }; |
96 | ||
c0f2d562 MD |
97 | #define ONEMB (1024L * 1024L) |
98 | #define ONEKB (1024L) | |
99 | ||
006835dc MD |
100 | LIST_HEAD(zlist, vm_zone); |
101 | ||
984263bc MD |
102 | struct statinfo cur, last; |
103 | int num_devices, maxshowdevs; | |
104 | long generation; | |
105 | struct device_selection *dev_select; | |
106 | int num_selected; | |
107 | struct devstat_match *matches; | |
108 | int num_matches = 0; | |
109 | int num_devices_specified, num_selections; | |
110 | long select_generation; | |
111 | char **specified_devices; | |
112 | devstat_select_mode select_mode; | |
113 | ||
393dfc63 MD |
114 | struct vmmeter vmm, ovmm; |
115 | struct vmstats vms, ovms; | |
984263bc MD |
116 | |
117 | int winlines = 20; | |
118 | int nflag = 0; | |
412f9b4c | 119 | int mflag = 0; |
bba17725 | 120 | int verbose = 0; |
ff0a8843 MD |
121 | int unformatted_opt = 0; |
122 | int brief_opt = 0; | |
4d18c287 | 123 | int ncpus; |
984263bc MD |
124 | |
125 | kvm_t *kd; | |
126 | ||
f5d21610 JS |
127 | struct kinfo_cputime cp_time, old_cp_time, diff_cp_time; |
128 | ||
984263bc MD |
129 | #define FORKSTAT 0x01 |
130 | #define INTRSTAT 0x02 | |
131 | #define MEMSTAT 0x04 | |
132 | #define SUMSTAT 0x08 | |
133 | #define TIMESTAT 0x10 | |
134 | #define VMSTAT 0x20 | |
135 | #define ZMEMSTAT 0x40 | |
f4a28304 | 136 | #define OCSTAT 0x80 |
984263bc | 137 | |
3c6b4125 JS |
138 | static void cpustats(void); |
139 | static void dointr(void); | |
140 | static void domem(void); | |
f4a28304 | 141 | static void dooc(void); |
3c6b4125 | 142 | static void dosum(void); |
006835dc | 143 | static void dozmem(u_int interval, int reps); |
2c9bc808 SW |
144 | static void dovmstat(u_int, int); |
145 | static void kread(int, void *, size_t); | |
3c6b4125 | 146 | static void usage(void); |
2c9bc808 | 147 | static char **getdrivedata(char **); |
3c6b4125 | 148 | static long getuptime(void); |
2c9bc808 SW |
149 | static void needhdr(int); |
150 | static long pct(long, long); | |
3c6b4125 | 151 | |
984263bc | 152 | #ifdef notyet |
3c6b4125 JS |
153 | static void dotimes(void); /* Not implemented */ |
154 | static void doforkst(void); | |
984263bc | 155 | #endif |
3c6b4125 | 156 | static void printhdr(void); |
ff0a8843 | 157 | static const char *formatnum(intmax_t value, int width, int do10s); |
006835dc | 158 | static void devstats(int dooutput); |
984263bc MD |
159 | |
160 | int | |
2e134091 | 161 | main(int argc, char **argv) |
984263bc | 162 | { |
2e134091 | 163 | int c, todo; |
29758f2e | 164 | u_int interval; /* milliseconds */ |
984263bc MD |
165 | int reps; |
166 | char *memf, *nlistf; | |
167 | char errbuf[_POSIX2_LINE_MAX]; | |
168 | ||
169 | memf = nlistf = NULL; | |
170 | interval = reps = todo = 0; | |
171 | maxshowdevs = 2; | |
f4a28304 | 172 | while ((c = getopt(argc, argv, "bc:fiM:mN:n:op:stuvw:z")) != -1) { |
984263bc | 173 | switch (c) { |
ff0a8843 MD |
174 | case 'b': |
175 | brief_opt = 1; | |
176 | break; | |
984263bc MD |
177 | case 'c': |
178 | reps = atoi(optarg); | |
179 | break; | |
180 | case 'f': | |
181 | #ifdef notyet | |
182 | todo |= FORKSTAT; | |
183 | #else | |
184 | errx(EX_USAGE, "sorry, -f is not (re)implemented yet"); | |
185 | #endif | |
186 | break; | |
187 | case 'i': | |
188 | todo |= INTRSTAT; | |
189 | break; | |
190 | case 'M': | |
191 | memf = optarg; | |
192 | break; | |
193 | case 'm': | |
412f9b4c | 194 | ++mflag; |
984263bc MD |
195 | todo |= MEMSTAT; |
196 | break; | |
197 | case 'N': | |
198 | nlistf = optarg; | |
199 | break; | |
200 | case 'n': | |
201 | nflag = 1; | |
202 | maxshowdevs = atoi(optarg); | |
203 | if (maxshowdevs < 0) | |
204 | errx(1, "number of devices %d is < 0", | |
205 | maxshowdevs); | |
206 | break; | |
f4a28304 SZ |
207 | case 'o': |
208 | todo |= OCSTAT; | |
209 | break; | |
984263bc MD |
210 | case 'p': |
211 | if (buildmatch(optarg, &matches, &num_matches) != 0) | |
212 | errx(1, "%s", devstat_errbuf); | |
213 | break; | |
214 | case 's': | |
215 | todo |= SUMSTAT; | |
216 | break; | |
217 | case 't': | |
218 | #ifdef notyet | |
219 | todo |= TIMESTAT; | |
220 | #else | |
221 | errx(EX_USAGE, "sorry, -t is not (re)implemented yet"); | |
222 | #endif | |
223 | break; | |
ff0a8843 MD |
224 | case 'u': |
225 | unformatted_opt = 1; | |
226 | break; | |
bba17725 YT |
227 | case 'v': |
228 | ++verbose; | |
229 | break; | |
984263bc | 230 | case 'w': |
29758f2e | 231 | interval = (u_int)(strtod(optarg, NULL) * 1000.0); |
984263bc MD |
232 | break; |
233 | case 'z': | |
234 | todo |= ZMEMSTAT; | |
235 | break; | |
984263bc MD |
236 | default: |
237 | usage(); | |
238 | } | |
239 | } | |
240 | argc -= optind; | |
241 | argv += optind; | |
242 | ||
243 | if (todo == 0) | |
244 | todo = VMSTAT; | |
245 | ||
246 | /* | |
247 | * Discard setgid privileges if not the running kernel so that bad | |
248 | * guys can't print interesting stuff from kernel memory. | |
249 | */ | |
f4a28304 | 250 | if (nlistf != NULL || memf != NULL) { |
984263bc | 251 | setgid(getgid()); |
f4a28304 SZ |
252 | if (todo & OCSTAT) { |
253 | errx(1, "objcache stats can only be gathered on " | |
254 | "the running system"); | |
255 | } | |
256 | } | |
984263bc MD |
257 | |
258 | kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); | |
678e8cc6 | 259 | if (kd == NULL) |
984263bc MD |
260 | errx(1, "kvm_openfiles: %s", errbuf); |
261 | ||
262 | if ((c = kvm_nlist(kd, namelist)) != 0) { | |
263 | if (c > 0) { | |
264 | warnx("undefined symbols:"); | |
70675b40 | 265 | for (c = 0; c < (int)NELEM(namelist); c++) |
984263bc MD |
266 | if (namelist[c].n_type == 0) |
267 | fprintf(stderr, " %s", | |
268 | namelist[c].n_name); | |
2e134091 | 269 | fputc('\n', stderr); |
984263bc MD |
270 | } else |
271 | warnx("kvm_nlist: %s", kvm_geterr(kd)); | |
272 | exit(1); | |
273 | } | |
274 | ||
36f85d00 MD |
275 | kread(X_NCPUS, &ncpus, sizeof(ncpus)); |
276 | ||
984263bc | 277 | if (todo & VMSTAT) { |
984263bc MD |
278 | struct winsize winsize; |
279 | ||
280 | /* | |
281 | * Make sure that the userland devstat version matches the | |
282 | * kernel devstat version. If not, exit and print a | |
283 | * message informing the user of his mistake. | |
284 | */ | |
285 | if (checkversion() < 0) | |
286 | errx(1, "%s", devstat_errbuf); | |
287 | ||
288 | ||
289 | argv = getdrivedata(argv); | |
290 | winsize.ws_row = 0; | |
2e134091 | 291 | ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize); |
984263bc MD |
292 | if (winsize.ws_row > 0) |
293 | winlines = winsize.ws_row; | |
294 | ||
295 | } | |
296 | ||
297 | #define BACKWARD_COMPATIBILITY | |
298 | #ifdef BACKWARD_COMPATIBILITY | |
299 | if (*argv) { | |
29758f2e | 300 | interval = (u_int)(strtod(*argv, NULL) * 1000.0); |
984263bc MD |
301 | if (*++argv) |
302 | reps = atoi(*argv); | |
303 | } | |
304 | #endif | |
305 | ||
306 | if (interval) { | |
307 | if (!reps) | |
308 | reps = -1; | |
29758f2e MD |
309 | } else if (reps) { |
310 | interval = 1000; | |
311 | } | |
984263bc MD |
312 | |
313 | #ifdef notyet | |
314 | if (todo & FORKSTAT) | |
315 | doforkst(); | |
316 | #endif | |
317 | if (todo & MEMSTAT) | |
318 | domem(); | |
319 | if (todo & ZMEMSTAT) | |
006835dc | 320 | dozmem(interval, reps); |
984263bc MD |
321 | if (todo & SUMSTAT) |
322 | dosum(); | |
323 | #ifdef notyet | |
324 | if (todo & TIMESTAT) | |
325 | dotimes(); | |
326 | #endif | |
327 | if (todo & INTRSTAT) | |
328 | dointr(); | |
329 | if (todo & VMSTAT) | |
330 | dovmstat(interval, reps); | |
f4a28304 SZ |
331 | if (todo & OCSTAT) |
332 | dooc(); | |
984263bc MD |
333 | exit(0); |
334 | } | |
335 | ||
3c6b4125 | 336 | static char ** |
1d1731fa | 337 | getdrivedata(char **argv) |
984263bc MD |
338 | { |
339 | if ((num_devices = getnumdevs()) < 0) | |
340 | errx(1, "%s", devstat_errbuf); | |
341 | ||
342 | cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); | |
343 | last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); | |
344 | bzero(cur.dinfo, sizeof(struct devinfo)); | |
345 | bzero(last.dinfo, sizeof(struct devinfo)); | |
346 | ||
347 | if (getdevs(&cur) == -1) | |
348 | errx(1, "%s", devstat_errbuf); | |
349 | ||
350 | num_devices = cur.dinfo->numdevs; | |
351 | generation = cur.dinfo->generation; | |
352 | ||
353 | specified_devices = (char **)malloc(sizeof(char *)); | |
354 | for (num_devices_specified = 0; *argv; ++argv) { | |
355 | if (isdigit(**argv)) | |
356 | break; | |
357 | num_devices_specified++; | |
358 | specified_devices = (char **)realloc(specified_devices, | |
359 | sizeof(char *) * | |
360 | num_devices_specified); | |
361 | specified_devices[num_devices_specified - 1] = *argv; | |
362 | } | |
363 | dev_select = NULL; | |
364 | ||
365 | if (nflag == 0 && maxshowdevs < num_devices_specified) | |
366 | maxshowdevs = num_devices_specified; | |
367 | ||
368 | /* | |
369 | * People are generally only interested in disk statistics when | |
370 | * they're running vmstat. So, that's what we're going to give | |
371 | * them if they don't specify anything by default. We'll also give | |
372 | * them any other random devices in the system so that we get to | |
373 | * maxshowdevs devices, if that many devices exist. If the user | |
374 | * specifies devices on the command line, either through a pattern | |
375 | * match or by naming them explicitly, we will give the user only | |
376 | * those devices. | |
377 | */ | |
378 | if ((num_devices_specified == 0) && (num_matches == 0)) { | |
379 | if (buildmatch("da", &matches, &num_matches) != 0) | |
380 | errx(1, "%s", devstat_errbuf); | |
381 | ||
382 | select_mode = DS_SELECT_ADD; | |
383 | } else | |
384 | select_mode = DS_SELECT_ONLY; | |
385 | ||
386 | /* | |
387 | * At this point, selectdevs will almost surely indicate that the | |
388 | * device list has changed, so we don't look for return values of 0 | |
389 | * or 1. If we get back -1, though, there is an error. | |
390 | */ | |
391 | if (selectdevs(&dev_select, &num_selected, &num_selections, | |
392 | &select_generation, generation, cur.dinfo->devices, | |
393 | num_devices, matches, num_matches, specified_devices, | |
394 | num_devices_specified, select_mode, | |
395 | maxshowdevs, 0) == -1) | |
396 | errx(1, "%s", devstat_errbuf); | |
397 | ||
398 | return(argv); | |
399 | } | |
400 | ||
3c6b4125 | 401 | static long |
1d1731fa | 402 | getuptime(void) |
984263bc | 403 | { |
da0d35cf MD |
404 | struct timespec ts; |
405 | ||
406 | clock_gettime(CLOCK_UPTIME, &ts); | |
407 | ||
408 | return ts.tv_sec; | |
984263bc MD |
409 | } |
410 | ||
f5d21610 | 411 | int hdrcnt; |
984263bc | 412 | |
3c6b4125 | 413 | static void |
1d1731fa | 414 | dovmstat(u_int interval, int reps) |
984263bc MD |
415 | { |
416 | struct vmtotal total; | |
984263bc | 417 | struct devinfo *tmp_dinfo; |
e43bcaac JG |
418 | size_t vmm_size = sizeof(vmm); |
419 | size_t vms_size = sizeof(vms); | |
420 | size_t vmt_size = sizeof(total); | |
29758f2e | 421 | int initial = 1; |
006835dc | 422 | int dooutput = 1; |
984263bc | 423 | |
2e134091 | 424 | signal(SIGCONT, needhdr); |
006835dc MD |
425 | if (reps != 0) |
426 | dooutput = 0; | |
984263bc | 427 | |
984263bc MD |
428 | for (hdrcnt = 1;;) { |
429 | if (!--hdrcnt) | |
430 | printhdr(); | |
f5d21610 JS |
431 | if (kinfo_get_sched_cputime(&cp_time)) |
432 | err(1, "kinfo_get_sched_cputime"); | |
984263bc MD |
433 | |
434 | tmp_dinfo = last.dinfo; | |
435 | last.dinfo = cur.dinfo; | |
436 | cur.dinfo = tmp_dinfo; | |
437 | last.busy_time = cur.busy_time; | |
438 | ||
439 | /* | |
440 | * Here what we want to do is refresh our device stats. | |
441 | * getdevs() returns 1 when the device list has changed. | |
442 | * If the device list has changed, we want to go through | |
443 | * the selection process again, in case a device that we | |
444 | * were previously displaying has gone away. | |
445 | */ | |
446 | switch (getdevs(&cur)) { | |
447 | case -1: | |
448 | errx(1, "%s", devstat_errbuf); | |
449 | break; | |
450 | case 1: { | |
451 | int retval; | |
452 | ||
453 | num_devices = cur.dinfo->numdevs; | |
454 | generation = cur.dinfo->generation; | |
455 | ||
456 | retval = selectdevs(&dev_select, &num_selected, | |
457 | &num_selections, &select_generation, | |
458 | generation, cur.dinfo->devices, | |
459 | num_devices, matches, num_matches, | |
460 | specified_devices, | |
461 | num_devices_specified, select_mode, | |
462 | maxshowdevs, 0); | |
463 | switch (retval) { | |
464 | case -1: | |
465 | errx(1, "%s", devstat_errbuf); | |
466 | break; | |
467 | case 1: | |
468 | printhdr(); | |
469 | break; | |
470 | default: | |
471 | break; | |
472 | } | |
473 | } | |
474 | default: | |
475 | break; | |
476 | } | |
477 | ||
393dfc63 MD |
478 | if (sysctlbyname("vm.vmstats", &vms, &vms_size, NULL, 0)) { |
479 | perror("sysctlbyname: vm.vmstats"); | |
480 | exit(1); | |
984263bc | 481 | } |
393dfc63 | 482 | if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) { |
5f548a46 | 483 | perror("sysctlbyname: vm.vmmeter"); |
393dfc63 | 484 | exit(1); |
56380a7f | 485 | } |
393dfc63 MD |
486 | if (sysctlbyname("vm.vmtotal", &total, &vmt_size, NULL, 0)) { |
487 | perror("sysctlbyname: vm.vmtotal"); | |
488 | exit(1); | |
56380a7f | 489 | } |
3a91e4f1 MD |
490 | |
491 | /* | |
492 | * Be a little inventive so we can squeeze everything into | |
493 | * 80 columns. These days the run queue can trivially be | |
494 | * into the three digits and under heavy paging loads the | |
495 | * blocked (d+p) count can as well. | |
496 | */ | |
006835dc | 497 | if (dooutput) { |
3a91e4f1 MD |
498 | char b1[4]; |
499 | char b2[4]; | |
500 | char b3[2]; | |
501 | ||
502 | strcpy(b1, "***"); | |
503 | strcpy(b2, "***"); | |
504 | strcpy(b3, "*"); | |
505 | if (total.t_rq - 1 < 1000) { | |
506 | snprintf(b1, sizeof(b1), | |
507 | "%3ld", total.t_rq - 1); | |
508 | } | |
509 | if (total.t_dw + total.t_pw < 1000) { | |
510 | snprintf(b2, sizeof(b2), | |
511 | "%3ld", total.t_dw + total.t_pw); | |
512 | } | |
513 | if (total.t_sw < 10) { | |
514 | snprintf(b3, sizeof(b3), "%ld", total.t_sw); | |
515 | } | |
516 | printf("%s %s %s", b1, b2, b3); | |
006835dc | 517 | } |
7b5a2bb5 | 518 | |
7b5a2bb5 MD |
519 | #define rate(x) \ |
520 | (intmax_t)(initial ? (x) : ((intmax_t)(x) * 1000 + interval / 2) \ | |
521 | / interval) | |
522 | ||
006835dc MD |
523 | if (dooutput) { |
524 | printf(" %s ", | |
525 | formatnum((int64_t)total.t_free * | |
ff0a8843 MD |
526 | vms.v_page_size, |
527 | 5, 1)); | |
006835dc MD |
528 | printf("%s ", |
529 | formatnum(rate(vmm.v_vm_faults - | |
ff0a8843 MD |
530 | ovmm.v_vm_faults), |
531 | 5, 1)); | |
006835dc | 532 | printf("%s ", |
7b8d89eb MD |
533 | formatnum(rate((vmm.v_reactivated - |
534 | ovmm.v_reactivated) * | |
535 | vms.v_page_size), | |
536 | 4, 1)); | |
006835dc | 537 | printf("%s ", |
7b8d89eb MD |
538 | formatnum(rate((vmm.v_swappgsin + |
539 | vmm.v_vnodepgsin - | |
540 | ovmm.v_swappgsin - | |
541 | ovmm.v_vnodepgsin) * | |
542 | vms.v_page_size), | |
543 | 4, 1)); | |
006835dc | 544 | printf("%s ", |
7b8d89eb MD |
545 | formatnum(rate((vmm.v_swappgsout + |
546 | vmm.v_vnodepgsout - | |
547 | ovmm.v_swappgsout - | |
548 | ovmm.v_vnodepgsout) * | |
549 | vms.v_page_size), | |
550 | 4, 1)); | |
006835dc | 551 | printf("%s ", |
7b8d89eb MD |
552 | formatnum(rate((vmm.v_tfree - ovmm.v_tfree) * |
553 | vms.v_page_size), 4, 1)); | |
006835dc MD |
554 | } |
555 | devstats(dooutput); | |
556 | if (dooutput) { | |
557 | printf("%s ", | |
ff0a8843 MD |
558 | formatnum(rate(vmm.v_intr - ovmm.v_intr), |
559 | 5, 1)); | |
006835dc MD |
560 | printf("%s ", |
561 | formatnum(rate(vmm.v_syscall - | |
ff0a8843 MD |
562 | ovmm.v_syscall), |
563 | 5, 1)); | |
006835dc MD |
564 | printf("%s ", |
565 | formatnum(rate(vmm.v_swtch - | |
ff0a8843 MD |
566 | ovmm.v_swtch), |
567 | 5, 1)); | |
006835dc MD |
568 | cpustats(); |
569 | printf("\n"); | |
570 | fflush(stdout); | |
571 | } | |
984263bc MD |
572 | if (reps >= 0 && --reps <= 0) |
573 | break; | |
393dfc63 | 574 | ovmm = vmm; |
29758f2e MD |
575 | usleep(interval * 1000); |
576 | initial = 0; | |
006835dc | 577 | dooutput = 1; |
984263bc MD |
578 | } |
579 | } | |
580 | ||
006835dc | 581 | static const char * |
ff0a8843 | 582 | formatnum(intmax_t value, int width, int do10s) |
006835dc | 583 | { |
61830beb MD |
584 | static char buf[16][64]; |
585 | static int bi; | |
006835dc MD |
586 | const char *fmt; |
587 | double d; | |
588 | ||
ff0a8843 MD |
589 | if (brief_opt) |
590 | do10s = 0; | |
591 | ||
61830beb | 592 | bi = (bi + 1) % 16; |
ff0a8843 MD |
593 | |
594 | if (unformatted_opt) { | |
595 | switch(width) { | |
596 | case 4: | |
597 | snprintf(buf[bi], sizeof(buf[bi]), "%4jd", value); | |
598 | break; | |
599 | case 5: | |
600 | snprintf(buf[bi], sizeof(buf[bi]), "%5jd", value); | |
601 | break; | |
602 | default: | |
603 | snprintf(buf[bi], sizeof(buf[bi]), "%jd", value); | |
604 | break; | |
605 | } | |
606 | return buf[bi]; | |
607 | } | |
608 | ||
609 | d = (double)value; | |
006835dc MD |
610 | fmt = "n/a"; |
611 | ||
612 | switch(width) { | |
613 | case 4: | |
614 | if (value < 1024) { | |
615 | fmt = "%4.0f"; | |
616 | } else if (value < 10*1024) { | |
617 | fmt = "%3.1fK"; | |
618 | d = d / 1024; | |
619 | } else if (value < 1000*1024) { | |
620 | fmt = "%3.0fK"; | |
621 | d = d / 1024; | |
622 | } else if (value < 10*1024*1024) { | |
623 | fmt = "%3.1fM"; | |
624 | d = d / (1024 * 1024); | |
625 | } else if (value < 1000*1024*1024) { | |
626 | fmt = "%3.0fM"; | |
627 | d = d / (1024 * 1024); | |
628 | } else { | |
629 | fmt = "%3.1fG"; | |
630 | d = d / (1024.0 * 1024.0 * 1024.0); | |
631 | } | |
632 | break; | |
633 | case 5: | |
634 | if (value < 1024) { | |
635 | fmt = "%5.0f"; | |
636 | } else if (value < 10*1024) { | |
637 | fmt = "%4.2fK"; | |
638 | d = d / 1024; | |
ff0a8843 MD |
639 | } else if (value < 100*1024 && do10s) { |
640 | fmt = "%4.1fK"; | |
641 | d = d / 1024; | |
006835dc MD |
642 | } else if (value < 1000*1024) { |
643 | fmt = "%4.0fK"; | |
644 | d = d / 1024; | |
645 | } else if (value < 10*1024*1024) { | |
646 | fmt = "%4.2fM"; | |
647 | d = d / (1024 * 1024); | |
ff0a8843 MD |
648 | } else if (value < 100*1024*1024 && do10s) { |
649 | fmt = "%4.1fM"; | |
650 | d = d / (1024 * 1024); | |
006835dc MD |
651 | } else if (value < 1000*1024*1024) { |
652 | fmt = "%4.0fM"; | |
653 | d = d / (1024 * 1024); | |
61830beb | 654 | } else if (value < 10LL*1024*1024*1024) { |
006835dc MD |
655 | fmt = "%4.2fG"; |
656 | d = d / (1024.0 * 1024.0 * 1024.0); | |
ff0a8843 MD |
657 | } else if (value < 100LL*1024*1024*1024 && do10s) { |
658 | fmt = "%4.1fG"; | |
659 | d = d / (1024.0 * 1024.0 * 1024.0); | |
61830beb MD |
660 | } else if (value < 1000LL*1024*1024*1024) { |
661 | fmt = "%4.0fG"; | |
662 | d = d / (1024.0 * 1024.0 * 1024.0); | |
663 | } else { | |
664 | fmt = "%4.2fT"; | |
665 | d = d / (1024.0 * 1024.0 * 1024.0 * 1024.0); | |
006835dc MD |
666 | } |
667 | break; | |
668 | default: | |
669 | fprintf(stderr, "formatnum: unsupported width %d\n", width); | |
670 | exit(1); | |
671 | break; | |
672 | } | |
61830beb MD |
673 | snprintf(buf[bi], sizeof(buf[bi]), fmt, d); |
674 | return buf[bi]; | |
006835dc MD |
675 | } |
676 | ||
3c6b4125 | 677 | static void |
1d1731fa | 678 | printhdr(void) |
984263bc MD |
679 | { |
680 | int i, num_shown; | |
681 | ||
682 | num_shown = (num_selected < maxshowdevs) ? num_selected : maxshowdevs; | |
006835dc | 683 | printf("--procs-- ---memory-- -------paging------ "); |
984263bc | 684 | if (num_shown > 1) |
006835dc MD |
685 | printf("--disks%.*s", |
686 | num_shown * 4 - 6, | |
687 | "---------------------------------"); | |
984263bc | 688 | else if (num_shown == 1) |
2e134091 | 689 | printf("disk"); |
006835dc | 690 | printf(" -----faults------ ---cpu---\n"); |
3a91e4f1 | 691 | printf(" r b w fre flt re pi po fr "); |
984263bc MD |
692 | for (i = 0; i < num_devices; i++) |
693 | if ((dev_select[i].selected) | |
694 | && (dev_select[i].selected <= maxshowdevs)) | |
006835dc | 695 | printf(" %c%c%d ", dev_select[i].device_name[0], |
984263bc MD |
696 | dev_select[i].device_name[1], |
697 | dev_select[i].unit_number); | |
c3c34e5f | 698 | printf(" int sys ctx us sy id\n"); |
984263bc MD |
699 | hdrcnt = winlines - 2; |
700 | } | |
701 | ||
702 | /* | |
703 | * Force a header to be prepended to the next output. | |
704 | */ | |
3c6b4125 JS |
705 | static void |
706 | needhdr(__unused int signo) | |
984263bc MD |
707 | { |
708 | ||
709 | hdrcnt = 1; | |
710 | } | |
711 | ||
3c6b4125 | 712 | static long |
1d1731fa | 713 | pct(long top, long bot) |
984263bc MD |
714 | { |
715 | long ans; | |
716 | ||
717 | if (bot == 0) | |
718 | return(0); | |
719 | ans = (quad_t)top * 100 / bot; | |
720 | return (ans); | |
721 | } | |
722 | ||
723 | #define PCT(top, bot) pct((long)(top), (long)(bot)) | |
724 | ||
3c6b4125 | 725 | static void |
1d1731fa | 726 | dosum(void) |
984263bc | 727 | { |
24e51f36 | 728 | struct nchstats *nch_tmp, nchstats; |
e43bcaac JG |
729 | size_t vms_size = sizeof(vms); |
730 | size_t vmm_size = sizeof(vmm); | |
24e51f36 HP |
731 | int cpucnt; |
732 | u_long nchtotal; | |
27abc816 | 733 | u_long nchpathtotal; |
24e51f36 | 734 | size_t nch_size = sizeof(struct nchstats) * SMP_MAXCPU; |
984263bc | 735 | |
393dfc63 MD |
736 | if (sysctlbyname("vm.vmstats", &vms, &vms_size, NULL, 0)) { |
737 | perror("sysctlbyname: vm.vmstats"); | |
738 | exit(1); | |
739 | } | |
740 | if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) { | |
741 | perror("sysctlbyname: vm.vmstats"); | |
742 | exit(1); | |
24e51f36 | 743 | } |
2e134091 LF |
744 | printf("%9u cpu context switches\n", vmm.v_swtch); |
745 | printf("%9u device interrupts\n", vmm.v_intr); | |
746 | printf("%9u software interrupts\n", vmm.v_soft); | |
747 | printf("%9u traps\n", vmm.v_trap); | |
748 | printf("%9u system calls\n", vmm.v_syscall); | |
749 | printf("%9u kernel threads created\n", vmm.v_kthreads); | |
750 | printf("%9u fork() calls\n", vmm.v_forks); | |
751 | printf("%9u vfork() calls\n", vmm.v_vforks); | |
752 | printf("%9u rfork() calls\n", vmm.v_rforks); | |
753 | printf("%9u exec() calls\n", vmm.v_exec); | |
754 | printf("%9u swap pager pageins\n", vmm.v_swapin); | |
755 | printf("%9u swap pager pages paged in\n", vmm.v_swappgsin); | |
756 | printf("%9u swap pager pageouts\n", vmm.v_swapout); | |
757 | printf("%9u swap pager pages paged out\n", vmm.v_swappgsout); | |
758 | printf("%9u vnode pager pageins\n", vmm.v_vnodein); | |
759 | printf("%9u vnode pager pages paged in\n", vmm.v_vnodepgsin); | |
760 | printf("%9u vnode pager pageouts\n", vmm.v_vnodeout); | |
761 | printf("%9u vnode pager pages paged out\n", vmm.v_vnodepgsout); | |
762 | printf("%9u page daemon wakeups\n", vmm.v_pdwakeups); | |
763 | printf("%9u pages examined by the page daemon\n", vmm.v_pdpages); | |
764 | printf("%9u pages reactivated\n", vmm.v_reactivated); | |
765 | printf("%9u copy-on-write faults\n", vmm.v_cow_faults); | |
766 | printf("%9u copy-on-write optimized faults\n", vmm.v_cow_optim); | |
767 | printf("%9u zero fill pages zeroed\n", vmm.v_zfod); | |
768 | printf("%9u zero fill pages prezeroed\n", vmm.v_ozfod); | |
769 | printf("%9u intransit blocking page faults\n", vmm.v_intrans); | |
770 | printf("%9u total VM faults taken\n", vmm.v_vm_faults); | |
771 | printf("%9u pages affected by kernel thread creation\n", vmm.v_kthreadpages); | |
772 | printf("%9u pages affected by fork()\n", vmm.v_forkpages); | |
773 | printf("%9u pages affected by vfork()\n", vmm.v_vforkpages); | |
774 | printf("%9u pages affected by rfork()\n", vmm.v_rforkpages); | |
775 | printf("%9u pages freed\n", vmm.v_tfree); | |
776 | printf("%9u pages freed by daemon\n", vmm.v_dfree); | |
777 | printf("%9u pages freed by exiting processes\n", vmm.v_pfree); | |
0ccdae7f | 778 | printf("%9lu pages active\n", vms.v_active_count); |
779 | printf("%9lu pages inactive\n", vms.v_inactive_count); | |
780 | printf("%9lu pages in VM cache\n", vms.v_cache_count); | |
781 | printf("%9lu pages wired down\n", vms.v_wire_count); | |
782 | printf("%9lu pages free\n", vms.v_free_count); | |
2e134091 | 783 | printf("%9u bytes per page\n", vms.v_page_size); |
7d4d6fdb | 784 | printf("%9u global smp invltlbs\n", vmm.v_smpinvltlb); |
56380a7f | 785 | |
24e51f36 HP |
786 | if ((nch_tmp = malloc(nch_size)) == NULL) { |
787 | perror("malloc"); | |
788 | exit(1); | |
789 | } else { | |
790 | if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { | |
791 | perror("sysctlbyname vfs.cache.nchstats"); | |
792 | free(nch_tmp); | |
793 | exit(1); | |
794 | } else { | |
795 | if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { | |
796 | perror("realloc"); | |
797 | exit(1); | |
798 | } | |
799 | } | |
800 | } | |
56380a7f | 801 | |
24e51f36 HP |
802 | cpucnt = nch_size / sizeof(struct nchstats); |
803 | kvm_nch_cpuagg(nch_tmp, &nchstats, cpucnt); | |
804 | ||
984263bc MD |
805 | nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits + |
806 | nchstats.ncs_badhits + nchstats.ncs_falsehits + | |
27abc816 MD |
807 | nchstats.ncs_miss; |
808 | nchpathtotal = nchstats.ncs_longhits + nchstats.ncs_longmiss; | |
809 | printf("%9ld total path lookups\n", nchpathtotal); | |
810 | printf("%9ld total component lookups\n", nchtotal); | |
2e134091 | 811 | printf( |
27abc816 | 812 | "%9s cache hits (%ld%% pos + %ld%% neg)\n", |
984263bc | 813 | "", PCT(nchstats.ncs_goodhits, nchtotal), |
27abc816 MD |
814 | PCT(nchstats.ncs_neghits, nchtotal)); |
815 | printf("%9s deletions %ld%%, falsehits %ld%%\n", "", | |
984263bc | 816 | PCT(nchstats.ncs_badhits, nchtotal), |
27abc816 | 817 | PCT(nchstats.ncs_falsehits, nchtotal)); |
24e51f36 | 818 | free(nch_tmp); |
984263bc MD |
819 | } |
820 | ||
821 | #ifdef notyet | |
822 | void | |
1d1731fa | 823 | doforkst(void) |
984263bc MD |
824 | { |
825 | struct forkstat fks; | |
826 | ||
827 | kread(X_FORKSTAT, &fks, sizeof(struct forkstat)); | |
2e134091 | 828 | printf("%d forks, %d pages, average %.2f\n", |
984263bc | 829 | fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork); |
2e134091 | 830 | printf("%d vforks, %d pages, average %.2f\n", |
984263bc MD |
831 | fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / fks.cntvfork); |
832 | } | |
833 | #endif | |
834 | ||
835 | static void | |
006835dc | 836 | devstats(int dooutput) |
984263bc | 837 | { |
3c6b4125 | 838 | int dn; |
984263bc MD |
839 | long double transfers_per_second; |
840 | long double busy_seconds; | |
f5d21610 JS |
841 | |
842 | diff_cp_time.cp_user = cp_time.cp_user - old_cp_time.cp_user; | |
843 | diff_cp_time.cp_nice = cp_time.cp_nice - old_cp_time.cp_nice; | |
844 | diff_cp_time.cp_sys = cp_time.cp_sys - old_cp_time.cp_sys; | |
845 | diff_cp_time.cp_intr = cp_time.cp_intr - old_cp_time.cp_intr; | |
846 | diff_cp_time.cp_idle = cp_time.cp_idle - old_cp_time.cp_idle; | |
847 | old_cp_time = cp_time; | |
984263bc MD |
848 | |
849 | busy_seconds = compute_etime(cur.busy_time, last.busy_time); | |
850 | ||
851 | for (dn = 0; dn < num_devices; dn++) { | |
852 | int di; | |
853 | ||
854 | if ((dev_select[dn].selected == 0) | |
855 | || (dev_select[dn].selected > maxshowdevs)) | |
856 | continue; | |
857 | ||
858 | di = dev_select[dn].position; | |
859 | ||
860 | if (compute_stats(&cur.dinfo->devices[di], | |
861 | &last.dinfo->devices[di], busy_seconds, | |
862 | NULL, NULL, NULL, | |
863 | NULL, &transfers_per_second, NULL, | |
864 | NULL, NULL) != 0) | |
865 | errx(1, "%s", devstat_errbuf); | |
866 | ||
006835dc | 867 | if (dooutput) |
ff0a8843 | 868 | printf("%s ", formatnum(transfers_per_second, 4, 0)); |
984263bc MD |
869 | } |
870 | } | |
871 | ||
3c6b4125 | 872 | static void |
1d1731fa | 873 | cpustats(void) |
984263bc | 874 | { |
f5d21610 | 875 | uint64_t total; |
3c6b4125 | 876 | double totusage; |
f5d21610 JS |
877 | |
878 | total = diff_cp_time.cp_user + diff_cp_time.cp_nice + | |
879 | diff_cp_time.cp_sys + diff_cp_time.cp_intr + diff_cp_time.cp_idle; | |
984263bc | 880 | |
984263bc | 881 | if (total) |
3c6b4125 | 882 | totusage = 100.0 / total; |
984263bc | 883 | else |
3c6b4125 JS |
884 | totusage = 0; |
885 | printf("%2.0f ", | |
886 | (diff_cp_time.cp_user + diff_cp_time.cp_nice) * totusage); | |
887 | printf("%2.0f ", | |
888 | (diff_cp_time.cp_sys + diff_cp_time.cp_intr) * totusage); | |
889 | printf("%2.0f", | |
890 | diff_cp_time.cp_idle * totusage); | |
984263bc MD |
891 | } |
892 | ||
3c6b4125 | 893 | static void |
1d1731fa | 894 | dointr(void) |
984263bc | 895 | { |
2e134091 LF |
896 | u_long *intrcnt, uptime; |
897 | u_int64_t inttotal; | |
4dfb4f32 | 898 | size_t nintr, inamlen, i, size; |
a73fdee8 MD |
899 | int nwidth; |
900 | char *intrstr; | |
901 | char **intrname; | |
984263bc MD |
902 | |
903 | uptime = getuptime(); | |
4dfb4f32 SS |
904 | if (sysctlbyname("hw.intrnames", NULL, &inamlen, NULL, 0) != 0) |
905 | errx(1, "sysctlbyname"); | |
a73fdee8 MD |
906 | intrstr = malloc(inamlen); |
907 | if (intrstr == NULL) | |
4dfb4f32 | 908 | err(1, "malloc"); |
a73fdee8 MD |
909 | sysctlbyname("hw.intrnames", intrstr, &inamlen, NULL, 0); |
910 | for (nintr = 0, i = 0; i < inamlen; ++i) { | |
911 | if (intrstr[i] == 0) | |
4dfb4f32 | 912 | nintr++; |
a73fdee8 MD |
913 | } |
914 | intrname = malloc(nintr * sizeof(char *)); | |
915 | for (i = 0; i < nintr; ++i) { | |
916 | intrname[i] = intrstr; | |
917 | intrstr += strlen(intrstr) + 1; | |
918 | } | |
919 | ||
4dfb4f32 | 920 | size = nintr * sizeof(*intrcnt); |
53052796 | 921 | intrcnt = calloc(nintr, sizeof(*intrcnt)); |
4dfb4f32 SS |
922 | if (intrcnt == NULL) |
923 | err(1, "malloc"); | |
c83c147e | 924 | sysctlbyname("hw.intrcnt", intrcnt, &size, NULL, 0); |
a73fdee8 | 925 | |
bba17725 | 926 | nwidth = 21; |
a73fdee8 MD |
927 | for (i = 0; i < nintr; ++i) { |
928 | if (nwidth < (int)strlen(intrname[i])) | |
929 | nwidth = (int)strlen(intrname[i]); | |
930 | } | |
c83c147e | 931 | if (verbose) nwidth += 12; |
a73fdee8 | 932 | |
5be6fe29 TN |
933 | printf("%-*.*s %11s %10s\n", |
934 | nwidth, nwidth, "interrupt", "total", "rate"); | |
984263bc | 935 | inttotal = 0; |
a73fdee8 | 936 | for (i = 0; i < nintr; ++i) { |
bba17725 | 937 | int named; |
5be6fe29 | 938 | char *infop, irqinfo[72]; |
bba17725 YT |
939 | |
940 | if ((named = strncmp(intrname[i], "irq", 3)) != 0 || | |
941 | intrcnt[i] > 0) { | |
942 | infop = intrname[i]; | |
81a75a2f SZ |
943 | if (verbose) { |
944 | ssize_t irq, cpu; | |
945 | ||
946 | irq = i % MAX_INTS; | |
947 | cpu = i / MAX_INTS; | |
948 | if (named) { | |
949 | snprintf(irqinfo, sizeof(irqinfo), | |
950 | "irq%-3zd %3zd: %s", | |
951 | irq, cpu, intrname[i]); | |
952 | } else { | |
953 | snprintf(irqinfo, sizeof(irqinfo), | |
954 | "irq%-3zd %3zd: ", irq, cpu); | |
955 | } | |
bba17725 YT |
956 | infop = irqinfo; |
957 | } | |
56380a7f | 958 | printf("%-*.*s %11lu %10lu\n", |
bba17725 | 959 | nwidth, nwidth, infop, |
a73fdee8 | 960 | intrcnt[i], intrcnt[i] / uptime); |
24a1f87d | 961 | } |
a73fdee8 | 962 | inttotal += intrcnt[i]; |
984263bc | 963 | } |
56380a7f | 964 | printf("%-*.*s %11llu %10llu\n", |
a73fdee8 | 965 | nwidth, nwidth, "Total", |
ce70368f | 966 | (long long)inttotal, (long long)(inttotal / uptime)); |
984263bc MD |
967 | } |
968 | ||
8b123e35 | 969 | #define MAX_KMSTATS 16384 |
984263bc | 970 | |
e9dbfea1 | 971 | enum ksuse { KSINUSE, KSMEMUSE, KSOBJUSE, KSCALLS }; |
8edfbc5e | 972 | |
2c9bc808 | 973 | static long |
412f9b4c | 974 | cpuagg(const struct malloc_type *ks, enum ksuse use) |
027557c6 MD |
975 | { |
976 | int i; | |
977 | long ttl; | |
978 | ||
8edfbc5e MD |
979 | ttl = 0; |
980 | ||
981 | switch(use) { | |
982 | case KSINUSE: | |
4d18c287 | 983 | for (i = 0; i < ncpus; ++i) |
8edfbc5e MD |
984 | ttl += ks->ks_use[i].inuse; |
985 | break; | |
986 | case KSMEMUSE: | |
4d18c287 | 987 | for (i = 0; i < ncpus; ++i) |
8edfbc5e MD |
988 | ttl += ks->ks_use[i].memuse; |
989 | break; | |
e9dbfea1 MD |
990 | case KSOBJUSE: |
991 | ttl = (ks->ks_mgt.npartial + ks->ks_mgt.nfull + ks->ks_mgt.nempty) * | |
992 | KMALLOC_SLAB_SIZE; | |
993 | for (i = 0; i < ncpus; ++i) { | |
994 | struct kmalloc_use *kuse = &ks->ks_use[i]; | |
995 | ||
996 | if (kuse->mgt.active && | |
997 | kuse->mgt.active != (void *)namelist[X_KSLAB_DUMMY].n_value) | |
998 | { | |
999 | ttl += KMALLOC_SLAB_SIZE; | |
1000 | } | |
1001 | if (kuse->mgt.alternate && | |
1002 | kuse->mgt.alternate != (void *)namelist[X_KSLAB_DUMMY].n_value) | |
1003 | { | |
1004 | ttl += KMALLOC_SLAB_SIZE; | |
1005 | } | |
1006 | } | |
1007 | break; | |
fc7075bb | 1008 | case KSCALLS: |
4d18c287 | 1009 | for (i = 0; i < ncpus; ++i) |
fc7075bb SZ |
1010 | ttl += ks->ks_use[i].calls; |
1011 | break; | |
8edfbc5e | 1012 | } |
027557c6 MD |
1013 | return(ttl); |
1014 | } | |
1015 | ||
412f9b4c MD |
1016 | static int |
1017 | mcompare(const void *arg1, const void *arg2) | |
1018 | { | |
1019 | const struct malloc_type *m1 = arg1; | |
1020 | const struct malloc_type *m2 = arg2; | |
1021 | long total1; | |
1022 | long total2; | |
1023 | ||
1024 | total1 = cpuagg(m1, KSMEMUSE) + cpuagg(m1, KSOBJUSE); | |
1025 | total2 = cpuagg(m2, KSMEMUSE) + cpuagg(m2, KSOBJUSE); | |
1026 | if (total1 < total2) | |
1027 | return -1; | |
1028 | if (total1 > total2) | |
1029 | return 1; | |
1030 | return 0; | |
1031 | } | |
1032 | ||
3c6b4125 | 1033 | static void |
1d1731fa | 1034 | domem(void) |
984263bc | 1035 | { |
2e134091 | 1036 | struct malloc_type *ks; |
61830beb | 1037 | int nkms; |
412f9b4c MD |
1038 | int i; |
1039 | int n; | |
e9dbfea1 MD |
1040 | long totuse = 0; |
1041 | long totreq = 0; | |
1042 | long totobj = 0; | |
984263bc MD |
1043 | struct malloc_type kmemstats[MAX_KMSTATS], *kmsp; |
1044 | char buf[1024]; | |
984263bc | 1045 | |
412f9b4c MD |
1046 | /* |
1047 | * Collect | |
1048 | */ | |
984263bc MD |
1049 | kread(X_KMEMSTATISTICS, &kmsp, sizeof(kmsp)); |
1050 | for (nkms = 0; nkms < MAX_KMSTATS && kmsp != NULL; nkms++) { | |
e9dbfea1 MD |
1051 | struct malloc_type *ss; |
1052 | ||
1053 | ss = &kmemstats[nkms]; | |
1054 | ||
1055 | if (sizeof(kmemstats[0]) != kvm_read(kd, (u_long)kmsp, ss, | |
1056 | sizeof(kmemstats[0]))) | |
1057 | { | |
984263bc | 1058 | err(1, "kvm_read(%p)", (void *)kmsp); |
e9dbfea1 MD |
1059 | } |
1060 | if (sizeof(buf) != kvm_read(kd, (u_long)ss->ks_shortdesc, | |
1061 | buf, sizeof(buf))) | |
1062 | { | |
1063 | err(1, "kvm_read(%p)", kmemstats[nkms].ks_shortdesc); | |
1064 | } | |
984263bc | 1065 | buf[sizeof(buf) - 1] = '\0'; |
e9dbfea1 MD |
1066 | ss->ks_shortdesc = strdup(buf); |
1067 | ||
1068 | if (ss->ks_use) { | |
4d18c287 MD |
1069 | size_t usebytes; |
1070 | void *use; | |
1071 | ||
e9dbfea1 | 1072 | usebytes = ncpus * sizeof(ss->ks_use[0]); |
4d18c287 | 1073 | use = malloc(usebytes); |
e9dbfea1 MD |
1074 | if (kvm_read(kd, (u_long)ss->ks_use, use, usebytes) != |
1075 | (ssize_t)usebytes) | |
1076 | { | |
1077 | err(1, "kvm_read(%p)", ss->ks_use); | |
4d18c287 | 1078 | } |
e9dbfea1 | 1079 | ss->ks_use = use; |
4d18c287 | 1080 | } |
e9dbfea1 | 1081 | kmsp = ss->ks_next; |
984263bc MD |
1082 | } |
1083 | if (kmsp != NULL) | |
1084 | warnx("truncated to the first %d memory types", nkms); | |
984263bc | 1085 | |
412f9b4c MD |
1086 | /* |
1087 | * Sort (-mm) | |
1088 | */ | |
1089 | if (mflag > 1) { | |
1090 | qsort(kmemstats, nkms, sizeof(struct malloc_type), mcompare); | |
1091 | } | |
1092 | ||
1093 | /* | |
1094 | * Dump output | |
1095 | */ | |
2e134091 | 1096 | printf( |
61830beb | 1097 | "\nMemory statistics by type\n"); |
e9dbfea1 | 1098 | printf("\t Type Count MemUse SlabUse Limit Requests\n"); |
984263bc | 1099 | for (i = 0, ks = &kmemstats[0]; i < nkms; i++, ks++) { |
c0f2d562 MD |
1100 | long ks_inuse; |
1101 | long ks_memuse; | |
e9dbfea1 | 1102 | long ks_objuse; |
fc7075bb | 1103 | long ks_calls; |
412f9b4c | 1104 | char idbuf[64]; |
c0f2d562 | 1105 | |
fc7075bb | 1106 | ks_calls = cpuagg(ks, KSCALLS); |
f70f8722 | 1107 | if (ks_calls == 0 && verbose == 0) |
984263bc | 1108 | continue; |
c0f2d562 MD |
1109 | |
1110 | ks_inuse = cpuagg(ks, KSINUSE); | |
1111 | ks_memuse = cpuagg(ks, KSMEMUSE); | |
e9dbfea1 | 1112 | ks_objuse = cpuagg(ks, KSOBJUSE); |
c0f2d562 | 1113 | |
412f9b4c MD |
1114 | snprintf(idbuf, sizeof(idbuf), "%s", ks->ks_shortdesc); |
1115 | for (n = 0; idbuf[n]; ++n) { | |
1116 | if (idbuf[n] == ' ') | |
1117 | idbuf[n] = '_'; | |
1118 | } | |
1119 | ||
e9dbfea1 | 1120 | printf("%19s %s %s %s %s %s\n", |
412f9b4c | 1121 | idbuf, |
ff0a8843 MD |
1122 | formatnum(ks_inuse, 5, 1), |
1123 | formatnum(ks_memuse, 5, 1), | |
e9dbfea1 | 1124 | formatnum(ks_objuse, 5, 1), |
ff0a8843 MD |
1125 | formatnum(ks->ks_limit, 5, 1), |
1126 | formatnum(ks_calls, 5, 1)); | |
61830beb | 1127 | |
fc7075bb | 1128 | totuse += ks_memuse; |
e9dbfea1 | 1129 | totobj += ks_objuse; |
fc7075bb | 1130 | totreq += ks_calls; |
984263bc | 1131 | } |
e9dbfea1 MD |
1132 | printf("\nMemory Totals: In-Use Slab-Use Requests\n"); |
1133 | printf(" %s %s %s\n", | |
ff0a8843 | 1134 | formatnum(totuse, 5, 1), |
e9dbfea1 | 1135 | formatnum(totobj, 5, 1), |
ff0a8843 | 1136 | formatnum(totreq, 5, 1)); |
984263bc MD |
1137 | } |
1138 | ||
f4a28304 SZ |
1139 | static void |
1140 | dooc(void) | |
1141 | { | |
1142 | struct objcache_stats *stat, *s; | |
1143 | size_t len, count; | |
1144 | ||
1145 | if (sysctlbyname("kern.objcache.stats", NULL, &len, NULL, 0) < 0) | |
1146 | errx(1, "objcache stats sysctl failed\n"); | |
1147 | ||
1148 | /* Add some extra space. */ | |
1149 | stat = malloc(len + (8 * sizeof(*stat))); | |
1150 | if (sysctlbyname("kern.objcache.stats", stat, &len, NULL, 0) < 0) | |
1151 | errx(1, "objcache stats sysctl failed\n"); | |
1152 | ||
1153 | printf( | |
1154 | "\nObjcache statistics by name\n"); | |
1155 | printf(" Name Used Cached Limit Requests Allocs Fails Exhausts\n"); | |
1156 | for (s = stat, count = 0; count < len; ++s) { | |
1157 | printf("%21s %s %s %s %s %s %s %s\n", | |
1158 | s->oc_name, | |
1159 | formatnum(s->oc_used, 5, 1), | |
1160 | formatnum(s->oc_cached, 5, 1), | |
1161 | s->oc_limit < OBJCACHE_UNLIMITED ? | |
1162 | formatnum(s->oc_limit, 5, 1) : "unlim", | |
1163 | formatnum(s->oc_requested, 5, 1), | |
1164 | formatnum(s->oc_allocated, 5, 1), | |
1165 | formatnum(s->oc_failed, 4, 1), | |
1166 | formatnum(s->oc_exhausted, 4, 1)); | |
1167 | ||
1168 | count += sizeof(*s); | |
1169 | } | |
1170 | free(stat); | |
1171 | } | |
1172 | ||
006835dc MD |
1173 | #define MAXSAVE 16 |
1174 | ||
3c6b4125 | 1175 | static void |
006835dc | 1176 | dozmem(u_int interval, int reps) |
984263bc | 1177 | { |
006835dc MD |
1178 | struct zlist zlist; |
1179 | struct vm_zone *kz; | |
1180 | struct vm_zone zone; | |
006835dc | 1181 | struct vm_zone save[MAXSAVE]; |
df49ec1e MD |
1182 | long zfreecnt_prev; |
1183 | long znalloc_prev; | |
1184 | long zfreecnt_next; | |
1185 | long znalloc_next; | |
006835dc MD |
1186 | char name[64]; |
1187 | size_t namesz; | |
006835dc | 1188 | int first = 1; |
df49ec1e MD |
1189 | int i; |
1190 | int n; | |
006835dc MD |
1191 | |
1192 | bzero(save, sizeof(save)); | |
1193 | ||
1194 | again: | |
1195 | kread(X_ZLIST, &zlist, sizeof(zlist)); | |
1196 | kz = LIST_FIRST(&zlist); | |
1197 | i = 0; | |
1198 | ||
1199 | while (kz) { | |
1200 | if (kvm_read(kd, (intptr_t)kz, &zone, sizeof(zone)) != | |
1201 | (ssize_t)sizeof(zone)) { | |
1202 | perror("kvm_read"); | |
984263bc | 1203 | break; |
006835dc | 1204 | } |
df49ec1e MD |
1205 | zfreecnt_prev = save[i].zfreecnt; |
1206 | znalloc_prev = save[i].znalloc; | |
4d18c287 | 1207 | for (n = 0; n < ncpus; ++n) { |
df49ec1e MD |
1208 | zfreecnt_prev += save[i].zpcpu[n].zfreecnt; |
1209 | znalloc_prev += save[i].zpcpu[n].znalloc; | |
1210 | } | |
1211 | ||
1212 | zfreecnt_next = zone.zfreecnt; | |
1213 | znalloc_next = zone.znalloc; | |
4d18c287 | 1214 | for (n = 0; n < ncpus; ++n) { |
df49ec1e MD |
1215 | zfreecnt_next += zone.zpcpu[n].zfreecnt; |
1216 | znalloc_next += zone.zpcpu[n].znalloc; | |
1217 | } | |
1218 | save[i] = zone; | |
1219 | ||
006835dc MD |
1220 | namesz = sizeof(name); |
1221 | if (kvm_readstr(kd, (intptr_t)zone.zname, name, &namesz) == NULL) { | |
1222 | perror("kvm_read"); | |
1223 | break; | |
1224 | } | |
1225 | if (first && interval) { | |
1226 | /* do nothing */ | |
1227 | } else if (zone.zmax) { | |
df49ec1e MD |
1228 | printf("%-10s %9ld / %-9ld %5ldM used" |
1229 | " %6.2f%% ", | |
006835dc | 1230 | name, |
df49ec1e | 1231 | (long)(zone.ztotal - zfreecnt_next), |
006835dc | 1232 | (long)zone.zmax, |
df49ec1e MD |
1233 | (long)zone.zpagecount * 4096 / (1024 * 1024), |
1234 | (double)(zone.ztotal - zfreecnt_next) * | |
006835dc MD |
1235 | 100.0 / (double)zone.zmax); |
1236 | } else { | |
df49ec1e MD |
1237 | printf("%-10s %9ld %5ldM used" |
1238 | " ", | |
006835dc | 1239 | name, |
df49ec1e MD |
1240 | (long)(zone.ztotal - zfreecnt_next), |
1241 | (long)(zone.ztotal - zfreecnt_next) * | |
1242 | zone.zsize / (1024 * 1024)); | |
006835dc | 1243 | } |
df49ec1e MD |
1244 | if (first == 0) { |
1245 | printf("use=%ld\n", znalloc_next - znalloc_prev); | |
1246 | } else if (interval == 0) | |
1247 | printf("\n"); | |
1248 | ||
006835dc MD |
1249 | kz = LIST_NEXT(&zone, zlink); |
1250 | ++i; | |
1251 | } | |
1252 | if (reps) { | |
1253 | first = 0; | |
1254 | fflush(stdout); | |
1255 | usleep(interval * 1000); | |
1256 | --reps; | |
1257 | printf("\n"); | |
1258 | goto again; | |
984263bc | 1259 | } |
984263bc MD |
1260 | } |
1261 | ||
1262 | /* | |
1263 | * kread reads something from the kernel, given its nlist index. | |
1264 | */ | |
3c6b4125 | 1265 | static void |
1d1731fa | 1266 | kread(int nlx, void *addr, size_t size) |
984263bc | 1267 | { |
f5d21610 | 1268 | const char *sym; |
984263bc MD |
1269 | |
1270 | if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { | |
1271 | sym = namelist[nlx].n_name; | |
1272 | if (*sym == '_') | |
1273 | ++sym; | |
1274 | errx(1, "symbol %s not defined", sym); | |
1275 | } | |
3c6b4125 | 1276 | if (kvm_read(kd, namelist[nlx].n_value, addr, size) != (ssize_t)size) { |
984263bc MD |
1277 | sym = namelist[nlx].n_name; |
1278 | if (*sym == '_') | |
1279 | ++sym; | |
1280 | errx(1, "%s: %s", sym, kvm_geterr(kd)); | |
1281 | } | |
1282 | } | |
1283 | ||
3c6b4125 | 1284 | static void |
1d1731fa | 1285 | usage(void) |
984263bc | 1286 | { |
2e134091 | 1287 | fprintf(stderr, "%s%s", |
ff0a8843 MD |
1288 | "usage: vmstat [-imsuvz] [-c count] [-M core] " |
1289 | "[-N system] [-w wait]\n", | |
984263bc MD |
1290 | " [-n devs] [disks]\n"); |
1291 | exit(1); | |
1292 | } |