Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.71
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.71 ! art 2: /* $OpenBSD: vmstat.c,v 1.70 2002/06/19 08:45:52 deraadt Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1980, 1986, 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
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.
23: *
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
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: static char copyright[] =
39: "@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
40: The Regents of the University of California. All rights reserved.\n";
41: #endif /* not lint */
42:
43: #ifndef lint
44: #if 0
45: static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93";
46: #else
1.11 deraadt 47: static char rcsid[] = "$NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $";
1.1 deraadt 48: #endif
49: #endif /* not lint */
1.48 art 50:
1.1 deraadt 51: #include <sys/param.h>
52: #include <sys/time.h>
53: #include <sys/proc.h>
54: #include <sys/user.h>
55: #include <sys/dkstat.h>
56: #include <sys/buf.h>
57: #include <sys/namei.h>
58: #include <sys/malloc.h>
59: #include <sys/fcntl.h>
60: #include <sys/ioctl.h>
61: #include <sys/sysctl.h>
62: #include <sys/device.h>
1.48 art 63: #include <sys/pool.h>
1.1 deraadt 64: #include <time.h>
65: #include <nlist.h>
66: #include <kvm.h>
1.21 millert 67: #include <err.h>
1.1 deraadt 68: #include <errno.h>
69: #include <unistd.h>
70: #include <signal.h>
71: #include <stdio.h>
72: #include <ctype.h>
73: #include <stdlib.h>
74: #include <string.h>
75: #include <paths.h>
76: #include <limits.h>
1.6 tholo 77: #include "dkstats.h"
1.1 deraadt 78:
1.56 angelos 79: #include <uvm/uvm_object.h>
1.29 art 80: #include <uvm/uvm_extern.h>
81:
1.1 deraadt 82: struct nlist namelist[] = {
1.70 deraadt 83: #define X_UVMEXP 0 /* sysctl */
1.29 art 84: { "_uvmexp" },
1.70 deraadt 85: #define X_BOOTTIME 1 /* sysctl */
1.1 deraadt 86: { "_boottime" },
1.70 deraadt 87: #define X_NCHSTATS 2 /* sysctl */
1.1 deraadt 88: { "_nchstats" },
1.70 deraadt 89: #define X_KMEMSTAT 3 /* sysctl */
90: { "_kmemstats" },
91: #define X_KMEMBUCKETS 4 /* sysctl */
92: { "_bucket" },
93: #define X_FORKSTAT 5 /* sysctl */
94: { "_forkstat" },
95: #define X_NSELCOLL 6 /* sysctl */
96: { "_nselcoll" },
97: #define X_POOLHEAD 7 /* sysctl */
98: { "_pool_head" },
99: #define X_ALLEVENTS 8 /* no sysctl */
100: { "_allevents" },
101: #define X_INTRNAMES 9 /* no sysctl */
1.1 deraadt 102: { "_intrnames" },
1.70 deraadt 103: #define X_EINTRNAMES 10 /* no sysctl */
1.1 deraadt 104: { "_eintrnames" },
1.70 deraadt 105: #define X_INTRCNT 11 /* no sysctl */
1.1 deraadt 106: { "_intrcnt" },
1.70 deraadt 107: #define X_EINTRCNT 12 /* no sysctl */
1.1 deraadt 108: { "_eintrcnt" },
1.70 deraadt 109: #define X_END 13 /* no sysctl */
1.28 espie 110: #if defined(__i386__)
1.70 deraadt 111: #define X_INTRHAND (X_END) /* no sysctl */
1.12 tholo 112: { "_intrhand" },
1.70 deraadt 113: #define X_INTRSTRAY (X_END+1) /* no sysctl */
1.12 tholo 114: { "_intrstray" },
115: #endif
1.1 deraadt 116: { "" },
117: };
118:
1.6 tholo 119: /* Objects defined in dkstats.c */
120: extern struct _disk cur;
1.10 deraadt 121: extern char **dr_name;
122: extern int *dk_select, dk_ndrive;
1.1 deraadt 123:
1.29 art 124: struct uvmexp uvmexp, ouvmexp;
1.6 tholo 125: int ndrives;
1.1 deraadt 126:
127: int winlines = 20;
128:
129: kvm_t *kd;
130:
131: #define FORKSTAT 0x01
132: #define INTRSTAT 0x02
133: #define MEMSTAT 0x04
134: #define SUMSTAT 0x08
135: #define TIMESTAT 0x10
136: #define VMSTAT 0x20
137:
1.66 millert 138: void cpustats(void);
139: void dkstats(void);
140: void dointr(void);
141: void domem(void);
142: void dopool(void);
143: void dosum(void);
144: void dovmstat(u_int, int);
145: void kread(int, void *, size_t);
146: void usage(void);
147: void dotimes(void);
148: void doforkst(void);
149: void printhdr(void);
1.1 deraadt 150:
1.66 millert 151: char **choosedrives(char **);
1.10 deraadt 152:
153: /* Namelist and memory file names. */
154: char *nlistf, *memf;
1.6 tholo 155:
1.50 art 156: extern char *__progname;
157:
1.65 art 158: int verbose = 0;
159:
1.21 millert 160: int
1.1 deraadt 161: main(argc, argv)
1.62 mpech 162: int argc;
163: char **argv;
1.1 deraadt 164: {
165: extern int optind;
166: extern char *optarg;
1.62 mpech 167: int c, todo;
1.1 deraadt 168: u_int interval;
169: int reps;
1.25 deraadt 170: char errbuf[_POSIX2_LINE_MAX];
1.1 deraadt 171:
172: interval = reps = todo = 0;
1.65 art 173: while ((c = getopt(argc, argv, "c:fiM:mN:stw:v")) != -1) {
1.1 deraadt 174: switch (c) {
175: case 'c':
176: reps = atoi(optarg);
177: break;
178: case 'f':
179: todo |= FORKSTAT;
180: break;
181: case 'i':
182: todo |= INTRSTAT;
183: break;
184: case 'M':
185: memf = optarg;
186: break;
187: case 'm':
188: todo |= MEMSTAT;
189: break;
190: case 'N':
191: nlistf = optarg;
192: break;
193: case 's':
194: todo |= SUMSTAT;
195: break;
196: case 't':
197: todo |= TIMESTAT;
198: break;
199: case 'w':
200: interval = atoi(optarg);
201: break;
1.65 art 202: case 'v':
203: verbose = 1;
204: break;
1.1 deraadt 205: case '?':
206: default:
207: usage();
208: }
209: }
210: argc -= optind;
211: argv += optind;
212:
213: if (todo == 0)
214: todo = VMSTAT;
215:
1.56 angelos 216: if (nlistf != NULL || memf != NULL) {
217: setegid(getgid());
218: setgid(getgid());
219: }
220:
1.1 deraadt 221: /*
222: * Discard setgid privileges if not the running kernel so that bad
223: * guys can't print interesting stuff from kernel memory.
224: */
1.56 angelos 225: #if notyet
1.15 tholo 226: if (nlistf != NULL || memf != NULL) {
1.56 angelos 227: #endif
228: kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
229: if (kd == 0)
230: errx(1, "kvm_openfiles: %s", errbuf);
231:
232: if ((c = kvm_nlist(kd, namelist)) != 0) {
233: setgid(getgid());
234: setegid(getegid());
235:
236: if (c > 0) {
237: (void)fprintf(stderr,
238: "%s: undefined symbols:", __progname);
239: for (c = 0;
240: c < sizeof(namelist)/sizeof(namelist[0]);
241: c++)
242: if (namelist[c].n_type == 0)
243: fprintf(stderr, " %s",
244: namelist[c].n_name);
245: (void)fputc('\n', stderr);
246: exit(1);
247: } else
248: errx(1, "kvm_nlist: %s", kvm_geterr(kd));
249: }
250: #ifdef notyet
1.15 tholo 251: }
1.59 heko 252: #endif /* notyet */
1.1 deraadt 253:
1.56 angelos 254: setegid(getegid());
255: setgid(getgid());
1.1 deraadt 256:
257: if (todo & VMSTAT) {
258: struct winsize winsize;
259:
1.6 tholo 260: dkinit(0); /* Initialize disk stats, no disks selected. */
261: argv = choosedrives(argv); /* Select disks. */
1.1 deraadt 262: winsize.ws_row = 0;
263: (void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
264: if (winsize.ws_row > 0)
265: winlines = winsize.ws_row;
266:
267: }
1.25 deraadt 268:
1.1 deraadt 269: #define BACKWARD_COMPATIBILITY
270: #ifdef BACKWARD_COMPATIBILITY
271: if (*argv) {
272: interval = atoi(*argv);
273: if (*++argv)
274: reps = atoi(*argv);
275: }
276: #endif
277:
278: if (interval) {
279: if (!reps)
280: reps = -1;
281: } else if (reps)
282: interval = 1;
283:
284: if (todo & FORKSTAT)
285: doforkst();
1.48 art 286: if (todo & MEMSTAT) {
1.1 deraadt 287: domem();
1.48 art 288: dopool();
289: }
1.1 deraadt 290: if (todo & SUMSTAT)
291: dosum();
292: if (todo & TIMESTAT)
293: dotimes();
294: if (todo & INTRSTAT)
295: dointr();
296: if (todo & VMSTAT)
297: dovmstat(interval, reps);
298: exit(0);
299: }
300:
301: char **
1.6 tholo 302: choosedrives(argv)
1.1 deraadt 303: char **argv;
304: {
1.62 mpech 305: int i;
1.1 deraadt 306:
307: /*
308: * Choose drives to be displayed. Priority goes to (in order) drives
309: * supplied as arguments, default drives. If everything isn't filled
310: * in and there are drives not taken care of, display the first few
311: * that fit.
312: */
313: #define BACKWARD_COMPATIBILITY
314: for (ndrives = 0; *argv; ++argv) {
315: #ifdef BACKWARD_COMPATIBILITY
316: if (isdigit(**argv))
317: break;
318: #endif
319: for (i = 0; i < dk_ndrive; i++) {
320: if (strcmp(dr_name[i], *argv))
321: continue;
1.6 tholo 322: dk_select[i] = 1;
1.1 deraadt 323: ++ndrives;
324: break;
325: }
326: }
1.64 deraadt 327: for (i = 0; i < dk_ndrive && ndrives < 2; i++) {
1.6 tholo 328: if (dk_select[i])
1.1 deraadt 329: continue;
1.6 tholo 330: dk_select[i] = 1;
1.1 deraadt 331: ++ndrives;
332: }
333: return(argv);
334: }
335:
1.19 deraadt 336: time_t
1.1 deraadt 337: getuptime()
338: {
1.11 deraadt 339: static time_t now;
340: static struct timeval boottime;
1.1 deraadt 341: time_t uptime;
1.50 art 342: int mib[2];
343: size_t size;
1.1 deraadt 344:
1.50 art 345: if (boottime.tv_sec == 0) {
1.56 angelos 346: if (nlistf == NULL && memf == NULL) {
1.50 art 347: size = sizeof(boottime);
348: mib[0] = CTL_KERN;
349: mib[1] = KERN_BOOTTIME;
350: if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
1.56 angelos 351: warn("could not get kern.boottime");
1.50 art 352: bzero(&boottime, sizeof(boottime));
353: }
1.56 angelos 354: } else {
355: kread(X_BOOTTIME, &boottime, sizeof(boottime));
1.50 art 356: }
357: }
1.1 deraadt 358: (void)time(&now);
1.11 deraadt 359: uptime = now - boottime.tv_sec;
1.50 art 360: if (uptime <= 0 || uptime > 60*60*24*365*10)
361: errx(1, "time makes no sense; namelist must be wrong");
362:
1.1 deraadt 363: return(uptime);
364: }
365:
366: int hz, hdrcnt;
367:
368: void
369: dovmstat(interval, reps)
370: u_int interval;
371: int reps;
372: {
373: struct vmtotal total;
374: time_t uptime, halfuptime;
375: void needhdr();
376: int mib[2];
1.50 art 377: struct clockinfo clkinfo;
1.1 deraadt 378: size_t size;
379:
380: uptime = getuptime();
381: halfuptime = uptime / 2;
382: (void)signal(SIGCONT, needhdr);
383:
1.50 art 384: mib[0] = CTL_KERN;
385: mib[1] = KERN_CLOCKRATE;
386: size = sizeof(clkinfo);
387: if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0) {
1.56 angelos 388: warn("could not read kern.clockrate");
1.50 art 389: return;
390: }
391: hz = clkinfo.stathz;
1.1 deraadt 392:
393: for (hdrcnt = 1;;) {
394: if (!--hdrcnt)
395: printhdr();
1.6 tholo 396: /* Read new disk statistics */
397: dkreadstats();
1.56 angelos 398: if (nlistf == NULL && memf == NULL) {
399: size = sizeof(struct uvmexp);
1.52 angelos 400: mib[0] = CTL_VM;
401: mib[1] = VM_UVMEXP;
402: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 403: warn("could not get vm.uvmexp");
404: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 405: }
1.56 angelos 406: } else {
407: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 408: }
1.1 deraadt 409: size = sizeof(total);
410: mib[0] = CTL_VM;
411: mib[1] = VM_METER;
412: if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
1.56 angelos 413: warn("could not read vm.vmmeter");
1.1 deraadt 414: bzero(&total, sizeof(total));
415: }
1.22 millert 416: (void)printf("%2u%2u%2u",
1.1 deraadt 417: total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
1.29 art 418: #define rate(x) (((x) + halfuptime) / uptime) /* round */
419: #define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))
1.35 hugh 420: (void)printf("%7u%7u ",
1.1 deraadt 421: pgtok(total.t_avm), pgtok(total.t_free));
1.64 deraadt 422: (void)printf("%5u ", rate(uvmexp.faults - ouvmexp.faults));
1.29 art 423: (void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
424: (void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
425: (void)printf("%3u %3u ",
426: rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
427: (void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
428: dkstats();
1.64 deraadt 429: (void)printf("%4u %5u %4u ",
1.29 art 430: rate(uvmexp.intrs - ouvmexp.intrs),
431: rate(uvmexp.syscalls - ouvmexp.syscalls),
432: rate(uvmexp.swtch - ouvmexp.swtch));
1.1 deraadt 433: cpustats();
434: (void)printf("\n");
435: (void)fflush(stdout);
436: if (reps >= 0 && --reps <= 0)
437: break;
1.29 art 438: ouvmexp = uvmexp;
1.1 deraadt 439: uptime = interval;
440: /*
441: * We round upward to avoid losing low-frequency events
442: * (i.e., >= 1 per interval but < 1 per second).
443: */
1.14 deraadt 444: halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
1.1 deraadt 445: (void)sleep(interval);
446: }
447: }
448:
1.21 millert 449: void
1.1 deraadt 450: printhdr()
451: {
1.62 mpech 452: int i;
1.1 deraadt 453:
1.67 ho 454: (void)printf(" procs memory page%*s", 20, "");
1.6 tholo 455: if (ndrives > 0)
1.67 ho 456: (void)printf("%s %*sfaults cpu\n",
1.6 tholo 457: ((ndrives > 1) ? "disks" : "disk"),
1.64 deraadt 458: ((ndrives > 1) ? ndrives * 4 - 4 : 0), "");
1.1 deraadt 459: else
1.67 ho 460: (void)printf("%*s faults cpu\n",
1.6 tholo 461: ndrives * 3, "");
462:
1.64 deraadt 463: (void)printf(" r b w avm fre flt re pi po fr sr ");
1.1 deraadt 464: for (i = 0; i < dk_ndrive; i++)
1.6 tholo 465: if (dk_select[i])
1.67 ho 466: (void)printf("%c%c%c ", dr_name[i][0],
1.64 deraadt 467: dr_name[i][1],
1.1 deraadt 468: dr_name[i][strlen(dr_name[i]) - 1]);
1.67 ho 469: (void)printf(" in sy cs us sy id\n");
1.1 deraadt 470: hdrcnt = winlines - 2;
471: }
472:
473: /*
474: * Force a header to be prepended to the next output.
475: */
476: void
477: needhdr()
478: {
479:
480: hdrcnt = 1;
481: }
482:
483: void
484: dotimes()
485: {
486: u_int pgintime, rectime;
1.52 angelos 487: int mib[2];
488: size_t size;
1.1 deraadt 489:
1.56 angelos 490: /* XXX Why are these set to 0 ? This doesn't look right. */
1.12 tholo 491: pgintime = 0;
492: rectime = 0;
1.56 angelos 493:
494: if (nlistf == NULL && memf == NULL) {
495: size = sizeof(struct uvmexp);
1.52 angelos 496: mib[0] = CTL_VM;
497: mib[1] = VM_UVMEXP;
498: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 499: warn("could not read vm.uvmexp");
500: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 501: }
1.56 angelos 502: } else {
503: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 504: }
505:
1.29 art 506: (void)printf("%u reactivates, %u total time (usec)\n",
507: uvmexp.pdreact, rectime);
508: (void)printf("average: %u usec / reclaim\n", rectime / uvmexp.pdreact);
509: (void)printf("\n");
510: (void)printf("%u page ins, %u total time (msec)\n",
511: uvmexp.pageins, pgintime / 10);
512: (void)printf("average: %8.1f msec / page in\n",
513: pgintime / (uvmexp.pageins * 10.0));
1.1 deraadt 514: }
515:
1.21 millert 516: int
1.1 deraadt 517: pct(top, bot)
518: long top, bot;
519: {
520: long ans;
521:
522: if (bot == 0)
523: return(0);
524: ans = (quad_t)top * 100 / bot;
525: return (ans);
526: }
527:
528: #define PCT(top, bot) pct((long)(top), (long)(bot))
529:
530: void
531: dosum()
532: {
533: struct nchstats nchstats;
534: long nchtotal;
1.52 angelos 535: size_t size;
536: int mib[2], nselcoll;
1.1 deraadt 537:
1.56 angelos 538: if (nlistf == NULL && memf == NULL) {
539: size = sizeof(struct uvmexp);
1.52 angelos 540: mib[0] = CTL_VM;
541: mib[1] = VM_UVMEXP;
542: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 543: warn("could not read vm.uvmexp");
544: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 545: }
1.56 angelos 546: } else {
547: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 548: }
549:
1.32 art 550: /* vm_page constants */
1.35 hugh 551: (void)printf("%11u bytes per page\n", uvmexp.pagesize);
1.32 art 552:
553: /* vm_page counters */
1.35 hugh 554: (void)printf("%11u pages managed\n", uvmexp.npages);
555: (void)printf("%11u pages free\n", uvmexp.free);
556: (void)printf("%11u pages active\n", uvmexp.active);
557: (void)printf("%11u pages inactive\n", uvmexp.inactive);
558: (void)printf("%11u pages being paged out\n", uvmexp.paging);
559: (void)printf("%11u pages wired\n", uvmexp.wired);
1.71 ! art 560: (void)printf("%11u pages zeroed\n", uvmexp.zeropages);
1.35 hugh 561: (void)printf("%11u pages reserved for pagedaemon\n",
1.48 art 562: uvmexp.reserve_pagedaemon);
1.35 hugh 563: (void)printf("%11u pages reserved for kernel\n",
1.48 art 564: uvmexp.reserve_kernel);
1.32 art 565:
566: /* swap */
1.35 hugh 567: (void)printf("%11u swap pages\n", uvmexp.swpages);
568: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
569: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
570: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 571:
572: /* stat counters */
1.35 hugh 573: (void)printf("%11u page faults\n", uvmexp.faults);
574: (void)printf("%11u traps\n", uvmexp.traps);
575: (void)printf("%11u interrupts\n", uvmexp.intrs);
576: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
577: (void)printf("%11u software interrupts\n", uvmexp.softs);
578: (void)printf("%11u syscalls\n", uvmexp.syscalls);
579: (void)printf("%11u pagein operations\n", uvmexp.pageins);
580: (void)printf("%11u swap ins\n", uvmexp.swapins);
581: (void)printf("%11u swap outs\n", uvmexp.swapouts);
582: (void)printf("%11u forks\n", uvmexp.forks);
583: (void)printf("%11u forks where vmspace is shared\n",
1.48 art 584: uvmexp.forks_sharevm);
1.32 art 585:
586: /* daemon counters */
1.64 deraadt 587: (void)printf("%11u number of times the pagedaemon woke up\n",
1.48 art 588: uvmexp.pdwoke);
1.35 hugh 589: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
590: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
591: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
592: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
593: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 594:
1.56 angelos 595: if (nlistf == NULL && memf == NULL) {
1.52 angelos 596: size = sizeof(nchstats);
597: mib[0] = CTL_KERN;
598: mib[1] = KERN_NCHSTATS;
599: if (sysctl(mib, 2, &nchstats, &size, NULL, 0) < 0) {
1.56 angelos 600: warn("could not read kern.nchstats");
1.52 angelos 601: bzero(&nchstats, sizeof(nchstats));
602: }
1.56 angelos 603: } else {
604: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
1.52 angelos 605: }
606:
1.1 deraadt 607: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
608: nchstats.ncs_badhits + nchstats.ncs_falsehits +
609: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 610: (void)printf("%11ld total name lookups\n", nchtotal);
1.52 angelos 611: (void)printf("%11s cache hits (%d%% pos + %d%% neg) system %d%% "
612: "per-directory\n",
1.1 deraadt 613: "", PCT(nchstats.ncs_goodhits, nchtotal),
614: PCT(nchstats.ncs_neghits, nchtotal),
615: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 616: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 617: PCT(nchstats.ncs_badhits, nchtotal),
618: PCT(nchstats.ncs_falsehits, nchtotal),
619: PCT(nchstats.ncs_long, nchtotal));
1.52 angelos 620:
1.56 angelos 621: if (nlistf == NULL && memf == NULL) {
1.52 angelos 622: size = sizeof(nselcoll);
623: mib[0] = CTL_KERN;
624: mib[1] = KERN_NSELCOLL;
625: if (sysctl(mib, 2, &nselcoll, &size, NULL, 0) < 0) {
1.56 angelos 626: warn("could not read kern.nselcoll");
1.52 angelos 627: nselcoll = 0;
628: }
1.56 angelos 629: } else {
630: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
1.52 angelos 631: }
1.50 art 632: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 633: }
634:
635: void
636: doforkst()
637: {
638: struct forkstat fks;
1.52 angelos 639: size_t size;
640: int mib[2];
641:
1.56 angelos 642: if (nlistf == NULL && memf == NULL) {
1.52 angelos 643: size = sizeof(struct forkstat);
644: mib[0] = CTL_KERN;
645: mib[1] = KERN_FORKSTAT;
646: if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) {
1.56 angelos 647: warn("could not read kern.forkstat");
1.52 angelos 648: bzero(&fks, sizeof(struct forkstat));
649: }
1.56 angelos 650: } else {
651: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
1.52 angelos 652: }
1.1 deraadt 653:
654: (void)printf("%d forks, %d pages, average %.2f\n",
655: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
656: (void)printf("%d vforks, %d pages, average %.2f\n",
1.12 tholo 657: fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
658: (void)printf("%d rforks, %d pages, average %.2f\n",
659: fks.cntrfork, fks.sizrfork, (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 660: (void)printf("%d kthread creations, %d pages, average %.2f\n",
661: fks.cntkthread, fks.sizkthread, (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 662: }
663:
664: void
665: dkstats()
666: {
1.62 mpech 667: int dn, state;
1.1 deraadt 668: double etime;
669:
1.6 tholo 670: /* Calculate disk stat deltas. */
671: dkswap();
1.1 deraadt 672: etime = 0;
673: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 674: etime += cur.cp_time[state];
1.1 deraadt 675: }
676: if (etime == 0)
677: etime = 1;
678: etime /= hz;
679: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 680: if (!dk_select[dn])
1.1 deraadt 681: continue;
1.64 deraadt 682: (void)printf("%3.0f ", cur.dk_xfer[dn] / etime);
1.1 deraadt 683: }
684: }
685:
686: void
687: cpustats()
688: {
1.62 mpech 689: int state;
1.1 deraadt 690: double pct, total;
691:
692: total = 0;
693: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 694: total += cur.cp_time[state];
1.1 deraadt 695: if (total)
696: pct = 100 / total;
697: else
698: pct = 0;
1.6 tholo 699: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
700: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
701: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 702: }
703:
1.53 deraadt 704: #if defined(__i386__)
1.12 tholo 705: /* To get struct intrhand */
1.13 tholo 706: #define _KERNEL
1.12 tholo 707: #include <machine/psl.h>
1.56 angelos 708: #include <machine/cpu.h>
1.13 tholo 709: #undef _KERNEL
1.12 tholo 710: void
711: dointr()
712: {
713: struct intrhand *intrhand[16], *ihp, ih;
1.56 angelos 714: u_long inttotal = 0;
1.19 deraadt 715: time_t uptime;
1.50 art 716: u_long intrstray[16];
1.34 deraadt 717: char iname[17], fname[31];
1.58 pvalchev 718: int i;
719: #if 0
720: int mib[2], l, incflag;
1.56 angelos 721: size_t size;
722: char *intrnames, *intrcount, *intrn, *intrc, *buf1, *buf2;
1.58 pvalchev 723: #endif
1.12 tholo 724:
725: iname[16] = '\0';
726: uptime = getuptime();
727:
1.27 alex 728: (void)printf("interrupt total rate\n");
1.56 angelos 729:
730: #if 0 /* XXX Something else is needed here....get on with it Theo! */
731: if (nlistf == NULL && memf == NULL) {
732: mib[0] = CTL_MACHDEP;
733: mib[1] = CPU_INTRNAMES;
734: size = 0;
735: if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0)
736: err(1, "could not get machdep.intrnames");
737: intrnames = calloc(size, sizeof(char));
738: if (intrnames == NULL)
739: err(1,
740: "could not allocate memory for interrupt names");
741: if (sysctl(mib, 2, intrnames, &size, NULL, 0) < 0)
742: err(1, "could not get machdep.intrnames");
743:
744: mib[1] = CPU_INTRCOUNT;
745: size = 0;
746: if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0)
747: err(1, "could not get machdep.intrcount");
748: intrcount = calloc(size, sizeof(char));
749: if (intrcount == NULL)
750: err(1,
751: "could not allocate memory for interrupt count");
752: if (sysctl(mib, 2, intrcount, &size, NULL, 0) < 0)
753: err(1, "could not get machdep.intrcount");
754:
755: mib[1] = CPU_INTRSTRAY;
756: size = sizeof(intrstray);
757: if (sysctl(mib, 2, intrstray, &size, NULL, 0) < 0) {
758: warn("could not get machdep.intrstray");
759: bzero(intrstray, sizeof(intrstray));
760: }
761:
762: buf1 = intrnames;
763: buf2 = intrcount;
764: i = 0;
765: while ((intrn = strsep(&buf1, ",/")) != NULL) {
766: /* Find what the next delimiter is */
767: for (l = 0; buf2[l] != '\0'; l++) {
768: if (buf2[l] == '/') {
769: /* Don't increase the irq count */
770: incflag = 0;
771: break;
772: } else if (buf2[l] == ',') {
773: incflag = 1;
774: break;
775: }
776: }
777:
778: if ((intrc = strsep(&buf2, ",/")) == NULL)
779: errx(1, "unexpected failure matching interrupts with usage counters");
780:
781: /* Unused interrupt ? If so, skip this entry */
782: if (intrn[0] == '\0') {
783: if (incflag)
784: i++;
785: continue;
786: }
787:
788: snprintf(fname, sizeof fname, "irq%d/%s", i, intrn);
789: printf("%-16.16s %10lu %8lu\n", fname,
790: strtoul(intrc, NULL, 10),
791: strtoul(intrc, NULL, 10) / uptime);
792: inttotal += strtoul(intrc, NULL, 10);
793:
794: if (incflag)
795: i++;
796: }
797:
798: free(intrnames);
799: free(intrcount);
800: } else
801: #endif /* 0 */
802: {
803: kread(X_INTRHAND, intrhand, sizeof(intrhand));
804: kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
805:
806: for (i = 0; i < 16; i++) {
807: ihp = intrhand[i];
808: while (ihp) {
809: if (kvm_read(kd, (u_long)ihp, &ih,
810: sizeof(ih)) != sizeof(ih))
811: errx(1, "vmstat: ih: %s",
812: kvm_geterr(kd));
813: if (kvm_read(kd, (u_long)ih.ih_what, iname,
814: 16) != 16)
815: errx(1, "vmstat: ih_what: %s",
816: kvm_geterr(kd));
817: snprintf(fname, sizeof fname, "irq%d/%s", i,
818: iname);
819: printf("%-16.16s %10lu %8lu\n", fname,
820: ih.ih_count, ih.ih_count / uptime);
821: inttotal += ih.ih_count;
822: ihp = ih.ih_next;
823: }
1.12 tholo 824: }
825: }
1.56 angelos 826:
1.12 tholo 827: for (i = 0; i < 16; i++)
828: if (intrstray[i]) {
1.50 art 829: printf("Stray irq %-2d %10lu %8lu\n",
1.53 deraadt 830: i, intrstray[i], intrstray[i] / uptime);
1.12 tholo 831: inttotal += intrstray[i];
832: }
1.50 art 833: printf("Total %10lu %8lu\n", inttotal, inttotal / uptime);
1.1 deraadt 834: }
835: #else
836: void
837: dointr()
838: {
1.62 mpech 839: long *intrcnt, inttotal;
1.19 deraadt 840: time_t uptime;
1.62 mpech 841: int nintr, inamlen;
842: char *intrname;
1.9 deraadt 843: struct evcntlist allevents;
844: struct evcnt evcnt, *evptr;
1.1 deraadt 845: struct device dev;
846:
847: uptime = getuptime();
848: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
849: inamlen =
850: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
851: intrcnt = malloc((size_t)nintr);
852: intrname = malloc((size_t)inamlen);
1.50 art 853: if (intrcnt == NULL || intrname == NULL)
854: err(1, "malloc");
1.1 deraadt 855: kread(X_INTRCNT, intrcnt, (size_t)nintr);
856: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 857: (void)printf("interrupt total rate\n");
1.1 deraadt 858: inttotal = 0;
859: nintr /= sizeof(long);
860: while (--nintr >= 0) {
861: if (*intrcnt)
1.27 alex 862: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 863: *intrcnt, *intrcnt / uptime);
864: intrname += strlen(intrname) + 1;
865: inttotal += *intrcnt++;
866: }
867: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 868: evptr = allevents.tqh_first;
869: while (evptr) {
870: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.50 art 871: sizeof evcnt) != sizeof evcnt)
872: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 873: if (strcmp(evcnt.ev_name, "intr") == 0) {
874: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.50 art 875: sizeof dev) != sizeof dev)
876: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 877: if (evcnt.ev_count)
1.33 art 878: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
879: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 880: inttotal += evcnt.ev_count++;
881: }
1.9 deraadt 882: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 883: }
1.27 alex 884: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 885: }
886: #endif
887:
888: /*
889: * These names are defined in <sys/malloc.h>.
890: */
891: char *kmemnames[] = INITKMEMNAMES;
892:
893: void
894: domem()
895: {
1.62 mpech 896: struct kmembuckets *kp;
897: struct kmemstats *ks;
898: int i, j;
1.1 deraadt 899: int len, size, first;
1.50 art 900: u_long totuse = 0, totfree = 0;
901: quad_t totreq = 0;
1.1 deraadt 902: char *name;
903: struct kmemstats kmemstats[M_LAST];
904: struct kmembuckets buckets[MINBUCKET + 16];
1.50 art 905: int mib[4];
906: size_t siz;
907: char buf[BUFSIZ], *bufp, *ap;
908:
909: if (memf == NULL && nlistf == NULL) {
1.53 deraadt 910: mib[0] = CTL_KERN;
1.50 art 911: mib[1] = KERN_MALLOCSTATS;
912: mib[2] = KERN_MALLOC_BUCKETS;
913: siz = sizeof(buf);
914: if (sysctl(mib, 3, buf, &siz, NULL, 0) < 0) {
1.56 angelos 915: warnx("could not read kern.malloc.buckets");
1.50 art 916: return;
917: }
918:
919: bufp = buf;
920: mib[2] = KERN_MALLOC_BUCKET;
921: siz = sizeof(struct kmembuckets);
922: i = 0;
923: while ((ap = strsep(&bufp, ",")) != NULL) {
1.53 deraadt 924: mib[3] = atoi(ap);
1.50 art 925:
926: if (sysctl(mib, 4, &buckets[MINBUCKET + i], &siz,
1.53 deraadt 927: NULL, 0) < 0) {
1.56 angelos 928: warn("could not read kern.malloc.bucket.%d", mib[3]);
1.50 art 929: return;
930: }
931: i++;
932: }
933: } else {
1.53 deraadt 934: kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
1.50 art 935: }
1.1 deraadt 936:
1.18 kstailey 937: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
938: i++, kp++) {
1.65 art 939: if (kp->kb_calls == 0 && !verbose)
1.1 deraadt 940: continue;
1.18 kstailey 941: if (first) {
942: (void)printf("Memory statistics by bucket size\n");
943: (void)printf(
1.50 art 944: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 945: first = 0;
946: }
1.1 deraadt 947: size = 1 << i;
1.60 art 948: (void)printf("%8d %8llu %6llu %18llu %7llu %10llu\n", size,
949: (unsigned long long)(kp->kb_total - kp->kb_totalfree),
950: (unsigned long long)kp->kb_totalfree,
951: (unsigned long long)kp->kb_calls,
952: (unsigned long long)kp->kb_highwat,
953: (unsigned long long)kp->kb_couldfree);
1.1 deraadt 954: totfree += size * kp->kb_totalfree;
1.18 kstailey 955: }
956:
957: /*
958: * If kmem statistics are not being gathered by the kernel,
959: * first will still be 1.
960: */
961: if (first) {
962: printf(
963: "Kmem statistics are not being gathered by the kernel.\n");
964: return;
1.1 deraadt 965: }
966:
1.52 angelos 967: if (memf == NULL && nlistf == NULL) {
968: bzero(kmemstats, sizeof(kmemstats));
969: for (i = 0; i < M_LAST; i++) {
1.53 deraadt 970: mib[0] = CTL_KERN;
1.52 angelos 971: mib[1] = KERN_MALLOCSTATS;
972: mib[2] = KERN_MALLOC_KMEMSTATS;
973: mib[3] = i;
974: siz = sizeof(struct kmemstats);
975:
976: /*
977: * Skip errors -- these are presumed to be unallocated
978: * entries.
979: */
980: if (sysctl(mib, 4, &kmemstats[i], &siz, NULL, 0) < 0)
981: continue;
982: }
983: } else {
984: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
985: }
986:
1.1 deraadt 987: (void)printf("\nMemory usage type by bucket size\n");
988: (void)printf(" Size Type(s)\n");
989: kp = &buckets[MINBUCKET];
990: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
991: if (kp->kb_calls == 0)
992: continue;
993: first = 1;
994: len = 8;
995: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
996: if (ks->ks_calls == 0)
997: continue;
998: if ((ks->ks_size & j) == 0)
999: continue;
1000: name = kmemnames[i] ? kmemnames[i] : "undefined";
1001: len += 2 + strlen(name);
1002: if (first)
1003: printf("%8d %s", j, name);
1004: else
1005: printf(",");
1006: if (len >= 80) {
1007: printf("\n\t ");
1008: len = 10 + strlen(name);
1009: }
1010: if (!first)
1011: printf(" %s", name);
1012: first = 0;
1013: }
1014: printf("\n");
1015: }
1016:
1017: (void)printf(
1.26 deraadt 1018: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 1019: (void)printf(
1.26 deraadt 1020: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 1021: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
1022: if (ks->ks_calls == 0)
1023: continue;
1.24 mickey 1024: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 1025: kmemnames[i] ? kmemnames[i] : "undefined",
1026: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
1027: (ks->ks_maxused + 1023) / 1024,
1028: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
1029: ks->ks_limblocks, ks->ks_mapblocks);
1030: first = 1;
1031: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
1032: if ((ks->ks_size & j) == 0)
1033: continue;
1034: if (first)
1035: printf(" %d", j);
1036: else
1037: printf(",%d", j);
1038: first = 0;
1039: }
1040: printf("\n");
1041: totuse += ks->ks_memuse;
1042: totreq += ks->ks_calls;
1043: }
1044: (void)printf("\nMemory Totals: In Use Free Requests\n");
1.50 art 1045: (void)printf(" %7luK %6luK %8qu\n",
1.1 deraadt 1046: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
1047: }
1048:
1.54 art 1049: static void
1050: print_pool(struct pool *pp, char *name)
1051: {
1052: static int first = 1;
1053: int ovflw;
1054: char maxp[32];
1055:
1056: if (first) {
1057: (void)printf("Memory resource pool statistics\n");
1058: (void)printf(
1059: "%-11s%5s%9s%5s%9s%6s%6s%6s%6s%6s%6s%5s\n",
1060: "Name",
1061: "Size",
1062: "Requests",
1063: "Fail",
1064: "Releases",
1065: "Pgreq",
1066: "Pgrel",
1067: "Npage",
1068: "Hiwat",
1069: "Minpg",
1070: "Maxpg",
1071: "Idle");
1072: first = 0;
1073: }
1.65 art 1074:
1075: /* Skip unused pools unless verbose output. */
1076: if (pp->pr_nget == 0 && !verbose)
1077: return;
1078:
1.54 art 1079: if (pp->pr_maxpages == UINT_MAX)
1.69 deraadt 1080: snprintf(maxp, sizeof maxp, "inf");
1.54 art 1081: else
1.69 deraadt 1082: snprintf(maxp, sizeof maxp, "%u", pp->pr_maxpages);
1.54 art 1083: /*
1084: * Print single word. `ovflow' is number of characters didn't fit
1085: * on the last word. `fmt' is a format string to print this word.
1086: * It must contain asterisk for field width. `width' is a width
1087: * occupied by this word. `fixed' is a number of constant chars in
1088: * `fmt'. `val' is a value to be printed using format string `fmt'.
1089: */
1090: #define PRWORD(ovflw, fmt, width, fixed, val) do { \
1091: (ovflw) += printf((fmt), \
1092: (width) - (fixed) - (ovflw) > 0 ? \
1093: (width) - (fixed) - (ovflw) : 0, \
1094: (val)) - (width); \
1095: if ((ovflw) < 0) \
1096: (ovflw) = 0; \
1097: } while (/* CONSTCOND */0)
1098:
1099: ovflw = 0;
1100: PRWORD(ovflw, "%-*s", 11, 0, name);
1101: PRWORD(ovflw, " %*u", 5, 1, pp->pr_size);
1102: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nget);
1103: PRWORD(ovflw, " %*lu", 5, 1, pp->pr_nfail);
1104: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nput);
1105: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagealloc);
1106: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagefree);
1107: PRWORD(ovflw, " %*d", 6, 1, pp->pr_npages);
1108: PRWORD(ovflw, " %*d", 6, 1, pp->pr_hiwat);
1109: PRWORD(ovflw, " %*d", 6, 1, pp->pr_minpages);
1110: PRWORD(ovflw, " %*s", 6, 1, maxp);
1111: PRWORD(ovflw, " %*lu\n", 5, 1, pp->pr_nidle);
1112: }
1113:
1.55 art 1114: static void dopool_kvm(void);
1115: static void dopool_sysctl(void);
1116:
1.48 art 1117: void
1118: dopool(void)
1119: {
1.55 art 1120: if (nlistf == NULL && memf == NULL)
1121: dopool_sysctl();
1122: else
1123: dopool_kvm();
1124: }
1125:
1126: void
1127: dopool_sysctl(void)
1128: {
1.63 art 1129: long total = 0, inuse = 0;
1.55 art 1130: struct pool pool;
1131: size_t size;
1132: int mib[4];
1133: int npools, i;
1134:
1135: mib[0] = CTL_KERN;
1136: mib[1] = KERN_POOL;
1137: mib[2] = KERN_POOL_NPOOLS;
1138: size = sizeof(npools);
1139: if (sysctl(mib, 3, &npools, &size, NULL, 0) < 0) {
1140: printf("Can't figure out number of pools in kernel: %s\n",
1141: strerror(errno));
1142: return;
1143: }
1144:
1145: for (i = 1; npools; i++) {
1146: char name[32];
1147:
1148: mib[0] = CTL_KERN;
1149: mib[1] = KERN_POOL;
1150: mib[2] = KERN_POOL_POOL;
1151: mib[3] = i;
1152: size = sizeof(struct pool);
1153: if (sysctl(mib, 4, &pool, &size, NULL, 0) < 0) {
1154: if (errno == ENOENT)
1155: continue;
1156: printf("error getting pool: %s\n", strerror(errno));
1157: return;
1158: }
1159: npools--;
1160: mib[2] = KERN_POOL_NAME;
1161: size = sizeof(name);
1162: if (sysctl(mib, 4, &name, &size, NULL, 0) < 0) {
1163: printf("error getting pool name: %s\n",
1164: strerror(errno));
1165: return;
1166: }
1167: print_pool(&pool, name);
1.63 art 1168:
1169: inuse += (pool.pr_nget - pool.pr_nput) * pool.pr_size;
1170: total += pool.pr_npages * getpagesize(); /* XXX */
1.55 art 1171: }
1.63 art 1172:
1173: inuse /= 1024;
1174: total /= 1024;
1175: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1176: inuse, total, (double)(100 * inuse) / total);
1.55 art 1177: }
1178:
1179: void
1180: dopool_kvm(void)
1181: {
1.48 art 1182: long addr;
1183: long total = 0, inuse = 0;
1184: TAILQ_HEAD(,pool) pool_head;
1185: struct pool pool, *pp = &pool;
1186:
1187: kread(X_POOLHEAD, &pool_head, sizeof(pool_head));
1188: addr = (long)TAILQ_FIRST(&pool_head);
1189:
1.55 art 1190: while (addr != 0) {
1.54 art 1191: char name[32];
1.56 angelos 1192:
1.48 art 1193: if (kvm_read(kd, addr, (void *)pp, sizeof *pp) != sizeof *pp) {
1194: (void)fprintf(stderr,
1195: "vmstat: pool chain trashed: %s\n",
1196: kvm_geterr(kd));
1197: exit(1);
1198: }
1199: if (kvm_read(kd, (long)pp->pr_wchan, name, sizeof name) < 0) {
1200: (void)fprintf(stderr,
1201: "vmstat: pool name trashed: %s\n",
1202: kvm_geterr(kd));
1203: exit(1);
1204: }
1.56 angelos 1205:
1.48 art 1206: name[31] = '\0';
1207:
1.54 art 1208: print_pool(pp, name);
1.48 art 1209:
1210: inuse += (pp->pr_nget - pp->pr_nput) * pp->pr_size;
1.63 art 1211: total += pp->pr_npages * getpagesize(); /* XXX */
1.56 angelos 1212:
1.48 art 1213: addr = (long)TAILQ_NEXT(pp, pr_poollist);
1214: }
1215:
1216: inuse /= 1024;
1217: total /= 1024;
1218: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1219: inuse, total, (double)(100 * inuse) / total);
1220: }
1221:
1.1 deraadt 1222: /*
1223: * kread reads something from the kernel, given its nlist index.
1224: */
1225: void
1226: kread(nlx, addr, size)
1227: int nlx;
1228: void *addr;
1229: size_t size;
1230: {
1231: char *sym;
1232:
1233: if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
1234: sym = namelist[nlx].n_name;
1235: if (*sym == '_')
1236: ++sym;
1.50 art 1237: errx(1, "symbol %s not defined", sym);
1.1 deraadt 1238: }
1239: if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
1240: sym = namelist[nlx].n_name;
1241: if (*sym == '_')
1242: ++sym;
1.50 art 1243: errx(1, "%s: %s", sym, kvm_geterr(kd));
1.1 deraadt 1244: }
1245: }
1246:
1247: void
1248: usage()
1249: {
1.50 art 1250: (void)fprintf(stderr, "usage: %s [-fimst] [-c count] [-M core] "
1251: "[-N system] [-w wait] [disks]\n", __progname);
1.1 deraadt 1252: exit(1);
1253: }
![[BACK]](/icons/back.gif){kind=icon}
Return to vmstat.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / vmstat