Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.80
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.80 ! tedu 2: /* $OpenBSD: vmstat.c,v 1.79 2003/07/25 21:25:29 tedu 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.
1.77 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: static char copyright[] =
35: "@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
36: The Regents of the University of California. All rights reserved.\n";
37: #endif /* not lint */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93";
42: #else
1.80 ! tedu 43: static const char rcsid[] = "$OpenBSD$";
1.1 deraadt 44: #endif
45: #endif /* not lint */
1.48 art 46:
1.1 deraadt 47: #include <sys/param.h>
48: #include <sys/time.h>
49: #include <sys/proc.h>
50: #include <sys/user.h>
51: #include <sys/dkstat.h>
52: #include <sys/buf.h>
53: #include <sys/namei.h>
54: #include <sys/malloc.h>
55: #include <sys/fcntl.h>
56: #include <sys/ioctl.h>
57: #include <sys/sysctl.h>
58: #include <sys/device.h>
1.48 art 59: #include <sys/pool.h>
1.1 deraadt 60: #include <time.h>
61: #include <nlist.h>
62: #include <kvm.h>
1.21 millert 63: #include <err.h>
1.1 deraadt 64: #include <errno.h>
65: #include <unistd.h>
66: #include <signal.h>
67: #include <stdio.h>
68: #include <ctype.h>
69: #include <stdlib.h>
70: #include <string.h>
71: #include <paths.h>
72: #include <limits.h>
1.6 tholo 73: #include "dkstats.h"
1.1 deraadt 74:
1.56 angelos 75: #include <uvm/uvm_object.h>
1.29 art 76: #include <uvm/uvm_extern.h>
77:
1.1 deraadt 78: struct nlist namelist[] = {
1.70 deraadt 79: #define X_UVMEXP 0 /* sysctl */
1.29 art 80: { "_uvmexp" },
1.70 deraadt 81: #define X_BOOTTIME 1 /* sysctl */
1.1 deraadt 82: { "_boottime" },
1.70 deraadt 83: #define X_NCHSTATS 2 /* sysctl */
1.1 deraadt 84: { "_nchstats" },
1.70 deraadt 85: #define X_KMEMSTAT 3 /* sysctl */
86: { "_kmemstats" },
87: #define X_KMEMBUCKETS 4 /* sysctl */
88: { "_bucket" },
89: #define X_FORKSTAT 5 /* sysctl */
90: { "_forkstat" },
91: #define X_NSELCOLL 6 /* sysctl */
92: { "_nselcoll" },
93: #define X_POOLHEAD 7 /* sysctl */
94: { "_pool_head" },
95: #define X_ALLEVENTS 8 /* no sysctl */
96: { "_allevents" },
97: #define X_INTRNAMES 9 /* no sysctl */
1.1 deraadt 98: { "_intrnames" },
1.70 deraadt 99: #define X_EINTRNAMES 10 /* no sysctl */
1.1 deraadt 100: { "_eintrnames" },
1.70 deraadt 101: #define X_INTRCNT 11 /* no sysctl */
1.1 deraadt 102: { "_intrcnt" },
1.70 deraadt 103: #define X_EINTRCNT 12 /* no sysctl */
1.1 deraadt 104: { "_eintrcnt" },
1.70 deraadt 105: #define X_END 13 /* no sysctl */
1.28 espie 106: #if defined(__i386__)
1.70 deraadt 107: #define X_INTRHAND (X_END) /* no sysctl */
1.12 tholo 108: { "_intrhand" },
1.70 deraadt 109: #define X_INTRSTRAY (X_END+1) /* no sysctl */
1.12 tholo 110: { "_intrstray" },
111: #endif
1.1 deraadt 112: { "" },
113: };
114:
1.6 tholo 115: /* Objects defined in dkstats.c */
1.73 tdeval 116: extern struct _disk cur, last;
1.10 deraadt 117: extern char **dr_name;
118: extern int *dk_select, dk_ndrive;
1.1 deraadt 119:
1.29 art 120: struct uvmexp uvmexp, ouvmexp;
1.6 tholo 121: int ndrives;
1.1 deraadt 122:
123: int winlines = 20;
124:
125: kvm_t *kd;
126:
127: #define FORKSTAT 0x01
128: #define INTRSTAT 0x02
129: #define MEMSTAT 0x04
130: #define SUMSTAT 0x08
131: #define TIMESTAT 0x10
132: #define VMSTAT 0x20
133:
1.66 millert 134: void cpustats(void);
135: void dkstats(void);
136: void dointr(void);
137: void domem(void);
138: void dopool(void);
139: void dosum(void);
140: void dovmstat(u_int, int);
141: void kread(int, void *, size_t);
142: void usage(void);
143: void dotimes(void);
144: void doforkst(void);
145: void printhdr(void);
1.1 deraadt 146:
1.66 millert 147: char **choosedrives(char **);
1.10 deraadt 148:
149: /* Namelist and memory file names. */
150: char *nlistf, *memf;
1.6 tholo 151:
1.50 art 152: extern char *__progname;
153:
1.65 art 154: int verbose = 0;
155:
1.21 millert 156: int
1.72 deraadt 157: main(int argc, char *argv[])
1.1 deraadt 158: {
159: extern int optind;
160: extern char *optarg;
1.62 mpech 161: int c, todo;
1.1 deraadt 162: u_int interval;
163: int reps;
1.25 deraadt 164: char errbuf[_POSIX2_LINE_MAX];
1.1 deraadt 165:
166: interval = reps = todo = 0;
1.65 art 167: while ((c = getopt(argc, argv, "c:fiM:mN:stw:v")) != -1) {
1.1 deraadt 168: switch (c) {
169: case 'c':
170: reps = atoi(optarg);
171: break;
172: case 'f':
173: todo |= FORKSTAT;
174: break;
175: case 'i':
176: todo |= INTRSTAT;
177: break;
178: case 'M':
179: memf = optarg;
180: break;
181: case 'm':
182: todo |= MEMSTAT;
183: break;
184: case 'N':
185: nlistf = optarg;
186: break;
187: case 's':
188: todo |= SUMSTAT;
189: break;
190: case 't':
191: todo |= TIMESTAT;
192: break;
193: case 'w':
194: interval = atoi(optarg);
195: break;
1.65 art 196: case 'v':
197: verbose = 1;
198: break;
1.1 deraadt 199: case '?':
200: default:
201: usage();
202: }
203: }
204: argc -= optind;
205: argv += optind;
206:
207: if (todo == 0)
208: todo = VMSTAT;
209:
1.56 angelos 210: if (nlistf != NULL || memf != NULL) {
211: setegid(getgid());
212: setgid(getgid());
213: }
214:
1.1 deraadt 215: /*
216: * Discard setgid privileges if not the running kernel so that bad
217: * guys can't print interesting stuff from kernel memory.
218: */
1.56 angelos 219: #if notyet
1.15 tholo 220: if (nlistf != NULL || memf != NULL) {
1.56 angelos 221: #endif
222: kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
223: if (kd == 0)
224: errx(1, "kvm_openfiles: %s", errbuf);
225:
226: if ((c = kvm_nlist(kd, namelist)) != 0) {
227: setgid(getgid());
228: setegid(getegid());
229:
230: if (c > 0) {
231: (void)fprintf(stderr,
232: "%s: undefined symbols:", __progname);
233: for (c = 0;
234: c < sizeof(namelist)/sizeof(namelist[0]);
235: c++)
236: if (namelist[c].n_type == 0)
237: fprintf(stderr, " %s",
238: namelist[c].n_name);
239: (void)fputc('\n', stderr);
240: exit(1);
241: } else
242: errx(1, "kvm_nlist: %s", kvm_geterr(kd));
243: }
244: #ifdef notyet
1.15 tholo 245: }
1.59 heko 246: #endif /* notyet */
1.1 deraadt 247:
1.56 angelos 248: setegid(getegid());
249: setgid(getgid());
1.1 deraadt 250:
251: if (todo & VMSTAT) {
252: struct winsize winsize;
253:
1.6 tholo 254: dkinit(0); /* Initialize disk stats, no disks selected. */
255: argv = choosedrives(argv); /* Select disks. */
1.1 deraadt 256: winsize.ws_row = 0;
257: (void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
258: if (winsize.ws_row > 0)
259: winlines = winsize.ws_row;
260:
261: }
1.25 deraadt 262:
1.1 deraadt 263: #define BACKWARD_COMPATIBILITY
264: #ifdef BACKWARD_COMPATIBILITY
265: if (*argv) {
266: interval = atoi(*argv);
267: if (*++argv)
268: reps = atoi(*argv);
269: }
270: #endif
271:
272: if (interval) {
273: if (!reps)
274: reps = -1;
275: } else if (reps)
276: interval = 1;
277:
278: if (todo & FORKSTAT)
279: doforkst();
1.48 art 280: if (todo & MEMSTAT) {
1.1 deraadt 281: domem();
1.48 art 282: dopool();
283: }
1.1 deraadt 284: if (todo & SUMSTAT)
285: dosum();
286: if (todo & TIMESTAT)
287: dotimes();
288: if (todo & INTRSTAT)
289: dointr();
290: if (todo & VMSTAT)
291: dovmstat(interval, reps);
292: exit(0);
293: }
294:
295: char **
1.72 deraadt 296: choosedrives(char **argv)
1.1 deraadt 297: {
1.62 mpech 298: int i;
1.1 deraadt 299:
300: /*
301: * Choose drives to be displayed. Priority goes to (in order) drives
302: * supplied as arguments, default drives. If everything isn't filled
303: * in and there are drives not taken care of, display the first few
304: * that fit.
305: */
306: #define BACKWARD_COMPATIBILITY
307: for (ndrives = 0; *argv; ++argv) {
308: #ifdef BACKWARD_COMPATIBILITY
309: if (isdigit(**argv))
310: break;
311: #endif
312: for (i = 0; i < dk_ndrive; i++) {
313: if (strcmp(dr_name[i], *argv))
314: continue;
1.6 tholo 315: dk_select[i] = 1;
1.1 deraadt 316: ++ndrives;
317: break;
318: }
319: }
1.64 deraadt 320: for (i = 0; i < dk_ndrive && ndrives < 2; i++) {
1.6 tholo 321: if (dk_select[i])
1.1 deraadt 322: continue;
1.6 tholo 323: dk_select[i] = 1;
1.1 deraadt 324: ++ndrives;
325: }
326: return(argv);
327: }
328:
1.19 deraadt 329: time_t
1.72 deraadt 330: getuptime(void)
1.1 deraadt 331: {
1.11 deraadt 332: static time_t now;
333: static struct timeval boottime;
1.1 deraadt 334: time_t uptime;
1.50 art 335: int mib[2];
336: size_t size;
1.1 deraadt 337:
1.50 art 338: if (boottime.tv_sec == 0) {
1.56 angelos 339: if (nlistf == NULL && memf == NULL) {
1.50 art 340: size = sizeof(boottime);
341: mib[0] = CTL_KERN;
342: mib[1] = KERN_BOOTTIME;
343: if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
1.56 angelos 344: warn("could not get kern.boottime");
1.50 art 345: bzero(&boottime, sizeof(boottime));
346: }
1.56 angelos 347: } else {
348: kread(X_BOOTTIME, &boottime, sizeof(boottime));
1.50 art 349: }
350: }
1.1 deraadt 351: (void)time(&now);
1.11 deraadt 352: uptime = now - boottime.tv_sec;
1.50 art 353: if (uptime <= 0 || uptime > 60*60*24*365*10)
354: errx(1, "time makes no sense; namelist must be wrong");
355:
1.1 deraadt 356: return(uptime);
357: }
358:
359: int hz, hdrcnt;
360:
361: void
1.72 deraadt 362: dovmstat(u_int interval, int reps)
1.1 deraadt 363: {
364: struct vmtotal total;
365: time_t uptime, halfuptime;
1.78 deraadt 366: void needhdr(int);
1.1 deraadt 367: int mib[2];
1.50 art 368: struct clockinfo clkinfo;
1.1 deraadt 369: size_t size;
370:
371: uptime = getuptime();
372: halfuptime = uptime / 2;
373: (void)signal(SIGCONT, needhdr);
374:
1.50 art 375: mib[0] = CTL_KERN;
376: mib[1] = KERN_CLOCKRATE;
377: size = sizeof(clkinfo);
378: if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0) {
1.56 angelos 379: warn("could not read kern.clockrate");
1.50 art 380: return;
381: }
382: hz = clkinfo.stathz;
1.1 deraadt 383:
384: for (hdrcnt = 1;;) {
1.6 tholo 385: /* Read new disk statistics */
386: dkreadstats();
1.73 tdeval 387: if (!--hdrcnt || last.dk_ndrive != cur.dk_ndrive)
388: printhdr();
1.56 angelos 389: if (nlistf == NULL && memf == NULL) {
390: size = sizeof(struct uvmexp);
1.52 angelos 391: mib[0] = CTL_VM;
392: mib[1] = VM_UVMEXP;
393: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 394: warn("could not get vm.uvmexp");
395: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 396: }
1.56 angelos 397: } else {
398: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 399: }
1.1 deraadt 400: size = sizeof(total);
401: mib[0] = CTL_VM;
402: mib[1] = VM_METER;
403: if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
1.56 angelos 404: warn("could not read vm.vmmeter");
1.1 deraadt 405: bzero(&total, sizeof(total));
406: }
1.22 millert 407: (void)printf("%2u%2u%2u",
1.1 deraadt 408: total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
1.29 art 409: #define rate(x) (((x) + halfuptime) / uptime) /* round */
410: #define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))
1.35 hugh 411: (void)printf("%7u%7u ",
1.1 deraadt 412: pgtok(total.t_avm), pgtok(total.t_free));
1.64 deraadt 413: (void)printf("%5u ", rate(uvmexp.faults - ouvmexp.faults));
1.29 art 414: (void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
415: (void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
416: (void)printf("%3u %3u ",
417: rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
418: (void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
419: dkstats();
1.64 deraadt 420: (void)printf("%4u %5u %4u ",
1.29 art 421: rate(uvmexp.intrs - ouvmexp.intrs),
422: rate(uvmexp.syscalls - ouvmexp.syscalls),
423: rate(uvmexp.swtch - ouvmexp.swtch));
1.1 deraadt 424: cpustats();
425: (void)printf("\n");
426: (void)fflush(stdout);
427: if (reps >= 0 && --reps <= 0)
428: break;
1.29 art 429: ouvmexp = uvmexp;
1.1 deraadt 430: uptime = interval;
431: /*
432: * We round upward to avoid losing low-frequency events
433: * (i.e., >= 1 per interval but < 1 per second).
434: */
1.14 deraadt 435: halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
1.1 deraadt 436: (void)sleep(interval);
437: }
438: }
439:
1.21 millert 440: void
1.72 deraadt 441: printhdr(void)
1.1 deraadt 442: {
1.62 mpech 443: int i;
1.1 deraadt 444:
1.67 ho 445: (void)printf(" procs memory page%*s", 20, "");
1.6 tholo 446: if (ndrives > 0)
1.79 tedu 447: (void)printf("%s %*straps cpu\n",
1.6 tholo 448: ((ndrives > 1) ? "disks" : "disk"),
1.64 deraadt 449: ((ndrives > 1) ? ndrives * 4 - 4 : 0), "");
1.1 deraadt 450: else
1.79 tedu 451: (void)printf("%*s traps cpu\n",
1.6 tholo 452: ndrives * 3, "");
453:
1.64 deraadt 454: (void)printf(" r b w avm fre flt re pi po fr sr ");
1.1 deraadt 455: for (i = 0; i < dk_ndrive; i++)
1.6 tholo 456: if (dk_select[i])
1.67 ho 457: (void)printf("%c%c%c ", dr_name[i][0],
1.64 deraadt 458: dr_name[i][1],
1.1 deraadt 459: dr_name[i][strlen(dr_name[i]) - 1]);
1.79 tedu 460: (void)printf(" int sys cs us sy id\n");
1.1 deraadt 461: hdrcnt = winlines - 2;
462: }
463:
464: /*
465: * Force a header to be prepended to the next output.
466: */
467: void
1.78 deraadt 468: needhdr(int signo)
1.1 deraadt 469: {
470:
471: hdrcnt = 1;
472: }
473:
474: void
1.72 deraadt 475: dotimes(void)
1.1 deraadt 476: {
477: u_int pgintime, rectime;
1.52 angelos 478: int mib[2];
479: size_t size;
1.1 deraadt 480:
1.56 angelos 481: /* XXX Why are these set to 0 ? This doesn't look right. */
1.12 tholo 482: pgintime = 0;
483: rectime = 0;
1.56 angelos 484:
485: if (nlistf == NULL && memf == NULL) {
486: size = sizeof(struct uvmexp);
1.52 angelos 487: mib[0] = CTL_VM;
488: mib[1] = VM_UVMEXP;
489: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 490: warn("could not read vm.uvmexp");
491: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 492: }
1.56 angelos 493: } else {
494: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 495: }
496:
1.29 art 497: (void)printf("%u reactivates, %u total time (usec)\n",
498: uvmexp.pdreact, rectime);
499: (void)printf("average: %u usec / reclaim\n", rectime / uvmexp.pdreact);
500: (void)printf("\n");
501: (void)printf("%u page ins, %u total time (msec)\n",
502: uvmexp.pageins, pgintime / 10);
503: (void)printf("average: %8.1f msec / page in\n",
504: pgintime / (uvmexp.pageins * 10.0));
1.1 deraadt 505: }
506:
1.21 millert 507: int
1.72 deraadt 508: pct(long top, long bot)
1.1 deraadt 509: {
510: long ans;
511:
512: if (bot == 0)
513: return(0);
514: ans = (quad_t)top * 100 / bot;
515: return (ans);
516: }
517:
518: #define PCT(top, bot) pct((long)(top), (long)(bot))
519:
520: void
1.72 deraadt 521: dosum(void)
1.1 deraadt 522: {
523: struct nchstats nchstats;
524: long nchtotal;
1.52 angelos 525: size_t size;
526: int mib[2], nselcoll;
1.1 deraadt 527:
1.56 angelos 528: if (nlistf == NULL && memf == NULL) {
529: size = sizeof(struct uvmexp);
1.52 angelos 530: mib[0] = CTL_VM;
531: mib[1] = VM_UVMEXP;
532: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 533: warn("could not read vm.uvmexp");
534: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 535: }
1.56 angelos 536: } else {
537: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 538: }
539:
1.32 art 540: /* vm_page constants */
1.35 hugh 541: (void)printf("%11u bytes per page\n", uvmexp.pagesize);
1.32 art 542:
543: /* vm_page counters */
1.35 hugh 544: (void)printf("%11u pages managed\n", uvmexp.npages);
545: (void)printf("%11u pages free\n", uvmexp.free);
546: (void)printf("%11u pages active\n", uvmexp.active);
547: (void)printf("%11u pages inactive\n", uvmexp.inactive);
548: (void)printf("%11u pages being paged out\n", uvmexp.paging);
549: (void)printf("%11u pages wired\n", uvmexp.wired);
1.71 art 550: (void)printf("%11u pages zeroed\n", uvmexp.zeropages);
1.35 hugh 551: (void)printf("%11u pages reserved for pagedaemon\n",
1.48 art 552: uvmexp.reserve_pagedaemon);
1.35 hugh 553: (void)printf("%11u pages reserved for kernel\n",
1.48 art 554: uvmexp.reserve_kernel);
1.32 art 555:
556: /* swap */
1.35 hugh 557: (void)printf("%11u swap pages\n", uvmexp.swpages);
558: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
559: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
560: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 561:
562: /* stat counters */
1.35 hugh 563: (void)printf("%11u page faults\n", uvmexp.faults);
564: (void)printf("%11u traps\n", uvmexp.traps);
565: (void)printf("%11u interrupts\n", uvmexp.intrs);
566: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
567: (void)printf("%11u software interrupts\n", uvmexp.softs);
568: (void)printf("%11u syscalls\n", uvmexp.syscalls);
569: (void)printf("%11u pagein operations\n", uvmexp.pageins);
570: (void)printf("%11u swap ins\n", uvmexp.swapins);
571: (void)printf("%11u swap outs\n", uvmexp.swapouts);
572: (void)printf("%11u forks\n", uvmexp.forks);
573: (void)printf("%11u forks where vmspace is shared\n",
1.48 art 574: uvmexp.forks_sharevm);
1.32 art 575:
576: /* daemon counters */
1.64 deraadt 577: (void)printf("%11u number of times the pagedaemon woke up\n",
1.48 art 578: uvmexp.pdwoke);
1.35 hugh 579: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
580: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
581: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
582: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
583: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 584:
1.56 angelos 585: if (nlistf == NULL && memf == NULL) {
1.52 angelos 586: size = sizeof(nchstats);
587: mib[0] = CTL_KERN;
588: mib[1] = KERN_NCHSTATS;
589: if (sysctl(mib, 2, &nchstats, &size, NULL, 0) < 0) {
1.56 angelos 590: warn("could not read kern.nchstats");
1.52 angelos 591: bzero(&nchstats, sizeof(nchstats));
592: }
1.56 angelos 593: } else {
594: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
1.52 angelos 595: }
596:
1.1 deraadt 597: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
598: nchstats.ncs_badhits + nchstats.ncs_falsehits +
599: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 600: (void)printf("%11ld total name lookups\n", nchtotal);
1.52 angelos 601: (void)printf("%11s cache hits (%d%% pos + %d%% neg) system %d%% "
602: "per-directory\n",
1.1 deraadt 603: "", PCT(nchstats.ncs_goodhits, nchtotal),
604: PCT(nchstats.ncs_neghits, nchtotal),
605: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 606: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 607: PCT(nchstats.ncs_badhits, nchtotal),
608: PCT(nchstats.ncs_falsehits, nchtotal),
609: PCT(nchstats.ncs_long, nchtotal));
1.52 angelos 610:
1.56 angelos 611: if (nlistf == NULL && memf == NULL) {
1.52 angelos 612: size = sizeof(nselcoll);
613: mib[0] = CTL_KERN;
614: mib[1] = KERN_NSELCOLL;
615: if (sysctl(mib, 2, &nselcoll, &size, NULL, 0) < 0) {
1.56 angelos 616: warn("could not read kern.nselcoll");
1.52 angelos 617: nselcoll = 0;
618: }
1.56 angelos 619: } else {
620: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
1.52 angelos 621: }
1.50 art 622: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 623: }
624:
625: void
1.72 deraadt 626: doforkst(void)
1.1 deraadt 627: {
628: struct forkstat fks;
1.52 angelos 629: size_t size;
630: int mib[2];
631:
1.56 angelos 632: if (nlistf == NULL && memf == NULL) {
1.52 angelos 633: size = sizeof(struct forkstat);
634: mib[0] = CTL_KERN;
635: mib[1] = KERN_FORKSTAT;
636: if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) {
1.56 angelos 637: warn("could not read kern.forkstat");
1.52 angelos 638: bzero(&fks, sizeof(struct forkstat));
639: }
1.56 angelos 640: } else {
641: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
1.52 angelos 642: }
1.1 deraadt 643:
644: (void)printf("%d forks, %d pages, average %.2f\n",
645: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
646: (void)printf("%d vforks, %d pages, average %.2f\n",
1.72 deraadt 647: fks.cntvfork, fks.sizvfork,
648: (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
1.12 tholo 649: (void)printf("%d rforks, %d pages, average %.2f\n",
1.72 deraadt 650: fks.cntrfork, fks.sizrfork,
651: (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 652: (void)printf("%d kthread creations, %d pages, average %.2f\n",
1.72 deraadt 653: fks.cntkthread, fks.sizkthread,
654: (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 655: }
656:
657: void
1.72 deraadt 658: dkstats(void)
1.1 deraadt 659: {
1.62 mpech 660: int dn, state;
1.1 deraadt 661: double etime;
662:
1.6 tholo 663: /* Calculate disk stat deltas. */
664: dkswap();
1.1 deraadt 665: etime = 0;
666: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 667: etime += cur.cp_time[state];
1.1 deraadt 668: }
669: if (etime == 0)
670: etime = 1;
671: etime /= hz;
672: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 673: if (!dk_select[dn])
1.1 deraadt 674: continue;
1.64 deraadt 675: (void)printf("%3.0f ", cur.dk_xfer[dn] / etime);
1.1 deraadt 676: }
677: }
678:
679: void
1.72 deraadt 680: cpustats(void)
1.1 deraadt 681: {
1.62 mpech 682: int state;
1.1 deraadt 683: double pct, total;
684:
685: total = 0;
686: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 687: total += cur.cp_time[state];
1.1 deraadt 688: if (total)
689: pct = 100 / total;
690: else
691: pct = 0;
1.6 tholo 692: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
693: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
694: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 695: }
696:
1.53 deraadt 697: #if defined(__i386__)
1.12 tholo 698: /* To get struct intrhand */
1.13 tholo 699: #define _KERNEL
1.12 tholo 700: #include <machine/psl.h>
1.56 angelos 701: #include <machine/cpu.h>
1.13 tholo 702: #undef _KERNEL
1.12 tholo 703: void
1.72 deraadt 704: dointr(void)
1.12 tholo 705: {
706: struct intrhand *intrhand[16], *ihp, ih;
1.56 angelos 707: u_long inttotal = 0;
1.19 deraadt 708: time_t uptime;
1.50 art 709: u_long intrstray[16];
1.34 deraadt 710: char iname[17], fname[31];
1.58 pvalchev 711: int i;
1.12 tholo 712:
713: iname[16] = '\0';
714: uptime = getuptime();
715:
1.27 alex 716: (void)printf("interrupt total rate\n");
1.56 angelos 717:
718: {
719: kread(X_INTRHAND, intrhand, sizeof(intrhand));
720: kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
721:
722: for (i = 0; i < 16; i++) {
723: ihp = intrhand[i];
724: while (ihp) {
725: if (kvm_read(kd, (u_long)ihp, &ih,
726: sizeof(ih)) != sizeof(ih))
727: errx(1, "vmstat: ih: %s",
728: kvm_geterr(kd));
729: if (kvm_read(kd, (u_long)ih.ih_what, iname,
730: 16) != 16)
731: errx(1, "vmstat: ih_what: %s",
732: kvm_geterr(kd));
733: snprintf(fname, sizeof fname, "irq%d/%s", i,
734: iname);
735: printf("%-16.16s %10lu %8lu\n", fname,
736: ih.ih_count, ih.ih_count / uptime);
737: inttotal += ih.ih_count;
738: ihp = ih.ih_next;
739: }
1.12 tholo 740: }
741: }
1.56 angelos 742:
1.12 tholo 743: for (i = 0; i < 16; i++)
744: if (intrstray[i]) {
1.50 art 745: printf("Stray irq %-2d %10lu %8lu\n",
1.53 deraadt 746: i, intrstray[i], intrstray[i] / uptime);
1.12 tholo 747: inttotal += intrstray[i];
748: }
1.50 art 749: printf("Total %10lu %8lu\n", inttotal, inttotal / uptime);
1.1 deraadt 750: }
751: #else
1.74 art 752: static void dointr_sysctl(void);
753: static void dointr_kvm(void);
754:
1.1 deraadt 755: void
1.72 deraadt 756: dointr(void)
1.74 art 757: {
758: if (nlistf == NULL && memf == NULL)
759: dointr_sysctl();
760: else
761: dointr_kvm();
762: }
763:
764: static void
765: dointr_sysctl(void)
766: {
767: struct evcntlist allevents;
768: struct evcnt evcnt, *evptr;
769: struct device dev;
770:
771: time_t uptime;
772: long inttotal;
773: int nintr;
774: char intrname[128];
775: int mib[4];
776: size_t siz;
777: int i;
778:
779: uptime = getuptime();
780:
781: mib[0] = CTL_KERN;
782: mib[1] = KERN_INTRCNT;
783: mib[2] = KERN_INTRCNT_NUM;
784: siz = sizeof(nintr);
785: if (sysctl(mib, 3, &nintr, &siz, NULL, 0) < 0) {
786: warnx("could not read kern.intrcnt.nintrcnt");
787: return;
788: }
789:
790: inttotal = 0;
791: for (i = 0; i < nintr; i++) {
792: int cnt;
793:
794: mib[0] = CTL_KERN;
795: mib[1] = KERN_INTRCNT;
796: mib[2] = KERN_INTRCNT_NAME;
797: mib[3] = i;
798: siz = sizeof(intrname);
799: if (sysctl(mib, 4, intrname, &siz, NULL, 0) < 0) {
800: warnx("could not read kern.intrcnt.name.%d", i);
801: return ;
802: }
803:
804: mib[0] = CTL_KERN;
805: mib[1] = KERN_INTRCNT;
806: mib[2] = KERN_INTRCNT_CNT;
807: mib[3] = i;
808: siz = sizeof(cnt);
809: if (sysctl(mib, 4, &cnt, &siz, NULL, 0) < 0) {
1.75 grange 810: warnx("could not read kern.intrcnt.cnt.%d", i);
1.74 art 811: return ;
812: }
813: if (cnt)
814: (void)printf("%-14s %12ld %8ld\n", intrname,
815: cnt, cnt / uptime);
816: inttotal += cnt;
817: }
818:
819: kread(X_ALLEVENTS, &allevents, sizeof allevents);
820: evptr = allevents.tqh_first;
821: while (evptr) {
822: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
823: sizeof evcnt) != sizeof evcnt)
824: errx(1, "event chain trashed: %s", kvm_geterr(kd));
825: if (strcmp(evcnt.ev_name, "intr") == 0) {
826: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
827: sizeof dev) != sizeof dev)
828: errx(1, "event chain trashed: %s", kvm_geterr(kd));
829: if (evcnt.ev_count)
830: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
831: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
832: inttotal += evcnt.ev_count++;
833: }
834: evptr = evcnt.ev_list.tqe_next;
835: }
836: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
837: }
838:
839: static void
840: dointr_kvm(void)
1.1 deraadt 841: {
1.62 mpech 842: long *intrcnt, inttotal;
1.19 deraadt 843: time_t uptime;
1.62 mpech 844: int nintr, inamlen;
845: char *intrname;
1.9 deraadt 846: struct evcntlist allevents;
847: struct evcnt evcnt, *evptr;
1.1 deraadt 848: struct device dev;
849:
850: uptime = getuptime();
851: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
852: inamlen =
853: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
854: intrcnt = malloc((size_t)nintr);
855: intrname = malloc((size_t)inamlen);
1.50 art 856: if (intrcnt == NULL || intrname == NULL)
857: err(1, "malloc");
1.1 deraadt 858: kread(X_INTRCNT, intrcnt, (size_t)nintr);
859: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 860: (void)printf("interrupt total rate\n");
1.1 deraadt 861: inttotal = 0;
862: nintr /= sizeof(long);
863: while (--nintr >= 0) {
864: if (*intrcnt)
1.27 alex 865: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 866: *intrcnt, *intrcnt / uptime);
867: intrname += strlen(intrname) + 1;
868: inttotal += *intrcnt++;
869: }
870: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 871: evptr = allevents.tqh_first;
872: while (evptr) {
873: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.50 art 874: sizeof evcnt) != sizeof evcnt)
875: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 876: if (strcmp(evcnt.ev_name, "intr") == 0) {
877: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.50 art 878: sizeof dev) != sizeof dev)
879: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 880: if (evcnt.ev_count)
1.33 art 881: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
882: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 883: inttotal += evcnt.ev_count++;
884: }
1.9 deraadt 885: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 886: }
1.27 alex 887: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 888: }
889: #endif
890:
891: /*
892: * These names are defined in <sys/malloc.h>.
893: */
894: char *kmemnames[] = INITKMEMNAMES;
895:
896: void
1.72 deraadt 897: domem(void)
1.1 deraadt 898: {
1.62 mpech 899: struct kmembuckets *kp;
900: struct kmemstats *ks;
901: int i, j;
1.1 deraadt 902: int len, size, first;
1.50 art 903: u_long totuse = 0, totfree = 0;
904: quad_t totreq = 0;
1.1 deraadt 905: char *name;
906: struct kmemstats kmemstats[M_LAST];
907: struct kmembuckets buckets[MINBUCKET + 16];
1.50 art 908: int mib[4];
909: size_t siz;
910: char buf[BUFSIZ], *bufp, *ap;
911:
912: if (memf == NULL && nlistf == NULL) {
1.53 deraadt 913: mib[0] = CTL_KERN;
1.50 art 914: mib[1] = KERN_MALLOCSTATS;
915: mib[2] = KERN_MALLOC_BUCKETS;
916: siz = sizeof(buf);
917: if (sysctl(mib, 3, buf, &siz, NULL, 0) < 0) {
1.56 angelos 918: warnx("could not read kern.malloc.buckets");
1.50 art 919: return;
920: }
921:
922: bufp = buf;
923: mib[2] = KERN_MALLOC_BUCKET;
924: siz = sizeof(struct kmembuckets);
925: i = 0;
926: while ((ap = strsep(&bufp, ",")) != NULL) {
1.53 deraadt 927: mib[3] = atoi(ap);
1.50 art 928:
929: if (sysctl(mib, 4, &buckets[MINBUCKET + i], &siz,
1.53 deraadt 930: NULL, 0) < 0) {
1.56 angelos 931: warn("could not read kern.malloc.bucket.%d", mib[3]);
1.50 art 932: return;
933: }
934: i++;
935: }
936: } else {
1.53 deraadt 937: kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
1.50 art 938: }
1.1 deraadt 939:
1.18 kstailey 940: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
941: i++, kp++) {
1.65 art 942: if (kp->kb_calls == 0 && !verbose)
1.1 deraadt 943: continue;
1.18 kstailey 944: if (first) {
945: (void)printf("Memory statistics by bucket size\n");
946: (void)printf(
1.50 art 947: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 948: first = 0;
949: }
1.1 deraadt 950: size = 1 << i;
1.60 art 951: (void)printf("%8d %8llu %6llu %18llu %7llu %10llu\n", size,
952: (unsigned long long)(kp->kb_total - kp->kb_totalfree),
953: (unsigned long long)kp->kb_totalfree,
954: (unsigned long long)kp->kb_calls,
955: (unsigned long long)kp->kb_highwat,
956: (unsigned long long)kp->kb_couldfree);
1.1 deraadt 957: totfree += size * kp->kb_totalfree;
1.18 kstailey 958: }
959:
960: /*
961: * If kmem statistics are not being gathered by the kernel,
962: * first will still be 1.
963: */
964: if (first) {
965: printf(
966: "Kmem statistics are not being gathered by the kernel.\n");
967: return;
1.1 deraadt 968: }
969:
1.52 angelos 970: if (memf == NULL && nlistf == NULL) {
971: bzero(kmemstats, sizeof(kmemstats));
972: for (i = 0; i < M_LAST; i++) {
1.53 deraadt 973: mib[0] = CTL_KERN;
1.52 angelos 974: mib[1] = KERN_MALLOCSTATS;
975: mib[2] = KERN_MALLOC_KMEMSTATS;
976: mib[3] = i;
977: siz = sizeof(struct kmemstats);
978:
979: /*
980: * Skip errors -- these are presumed to be unallocated
981: * entries.
982: */
983: if (sysctl(mib, 4, &kmemstats[i], &siz, NULL, 0) < 0)
984: continue;
985: }
986: } else {
987: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
988: }
989:
1.1 deraadt 990: (void)printf("\nMemory usage type by bucket size\n");
991: (void)printf(" Size Type(s)\n");
992: kp = &buckets[MINBUCKET];
993: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
994: if (kp->kb_calls == 0)
995: continue;
996: first = 1;
997: len = 8;
998: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
999: if (ks->ks_calls == 0)
1000: continue;
1001: if ((ks->ks_size & j) == 0)
1002: continue;
1003: name = kmemnames[i] ? kmemnames[i] : "undefined";
1004: len += 2 + strlen(name);
1005: if (first)
1006: printf("%8d %s", j, name);
1007: else
1008: printf(",");
1009: if (len >= 80) {
1010: printf("\n\t ");
1011: len = 10 + strlen(name);
1012: }
1013: if (!first)
1014: printf(" %s", name);
1015: first = 0;
1016: }
1017: printf("\n");
1018: }
1019:
1020: (void)printf(
1.26 deraadt 1021: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 1022: (void)printf(
1.26 deraadt 1023: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 1024: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
1025: if (ks->ks_calls == 0)
1026: continue;
1.24 mickey 1027: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 1028: kmemnames[i] ? kmemnames[i] : "undefined",
1029: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
1030: (ks->ks_maxused + 1023) / 1024,
1031: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
1032: ks->ks_limblocks, ks->ks_mapblocks);
1033: first = 1;
1034: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
1035: if ((ks->ks_size & j) == 0)
1036: continue;
1037: if (first)
1038: printf(" %d", j);
1039: else
1040: printf(",%d", j);
1041: first = 0;
1042: }
1043: printf("\n");
1044: totuse += ks->ks_memuse;
1045: totreq += ks->ks_calls;
1046: }
1047: (void)printf("\nMemory Totals: In Use Free Requests\n");
1.50 art 1048: (void)printf(" %7luK %6luK %8qu\n",
1.1 deraadt 1049: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
1050: }
1051:
1.54 art 1052: static void
1053: print_pool(struct pool *pp, char *name)
1054: {
1055: static int first = 1;
1056: int ovflw;
1057: char maxp[32];
1058:
1059: if (first) {
1060: (void)printf("Memory resource pool statistics\n");
1061: (void)printf(
1062: "%-11s%5s%9s%5s%9s%6s%6s%6s%6s%6s%6s%5s\n",
1063: "Name",
1064: "Size",
1065: "Requests",
1066: "Fail",
1067: "Releases",
1068: "Pgreq",
1069: "Pgrel",
1070: "Npage",
1071: "Hiwat",
1072: "Minpg",
1073: "Maxpg",
1074: "Idle");
1075: first = 0;
1076: }
1.65 art 1077:
1078: /* Skip unused pools unless verbose output. */
1079: if (pp->pr_nget == 0 && !verbose)
1080: return;
1081:
1.54 art 1082: if (pp->pr_maxpages == UINT_MAX)
1.69 deraadt 1083: snprintf(maxp, sizeof maxp, "inf");
1.54 art 1084: else
1.69 deraadt 1085: snprintf(maxp, sizeof maxp, "%u", pp->pr_maxpages);
1.54 art 1086: /*
1087: * Print single word. `ovflow' is number of characters didn't fit
1088: * on the last word. `fmt' is a format string to print this word.
1089: * It must contain asterisk for field width. `width' is a width
1090: * occupied by this word. `fixed' is a number of constant chars in
1091: * `fmt'. `val' is a value to be printed using format string `fmt'.
1092: */
1093: #define PRWORD(ovflw, fmt, width, fixed, val) do { \
1094: (ovflw) += printf((fmt), \
1095: (width) - (fixed) - (ovflw) > 0 ? \
1096: (width) - (fixed) - (ovflw) : 0, \
1097: (val)) - (width); \
1098: if ((ovflw) < 0) \
1099: (ovflw) = 0; \
1100: } while (/* CONSTCOND */0)
1101:
1102: ovflw = 0;
1103: PRWORD(ovflw, "%-*s", 11, 0, name);
1104: PRWORD(ovflw, " %*u", 5, 1, pp->pr_size);
1105: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nget);
1106: PRWORD(ovflw, " %*lu", 5, 1, pp->pr_nfail);
1107: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nput);
1108: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagealloc);
1109: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagefree);
1110: PRWORD(ovflw, " %*d", 6, 1, pp->pr_npages);
1111: PRWORD(ovflw, " %*d", 6, 1, pp->pr_hiwat);
1112: PRWORD(ovflw, " %*d", 6, 1, pp->pr_minpages);
1113: PRWORD(ovflw, " %*s", 6, 1, maxp);
1114: PRWORD(ovflw, " %*lu\n", 5, 1, pp->pr_nidle);
1115: }
1116:
1.55 art 1117: static void dopool_kvm(void);
1118: static void dopool_sysctl(void);
1119:
1.48 art 1120: void
1121: dopool(void)
1122: {
1.55 art 1123: if (nlistf == NULL && memf == NULL)
1124: dopool_sysctl();
1125: else
1126: dopool_kvm();
1127: }
1128:
1129: void
1130: dopool_sysctl(void)
1131: {
1.63 art 1132: long total = 0, inuse = 0;
1.55 art 1133: struct pool pool;
1134: size_t size;
1135: int mib[4];
1136: int npools, i;
1137:
1138: mib[0] = CTL_KERN;
1139: mib[1] = KERN_POOL;
1140: mib[2] = KERN_POOL_NPOOLS;
1141: size = sizeof(npools);
1142: if (sysctl(mib, 3, &npools, &size, NULL, 0) < 0) {
1143: printf("Can't figure out number of pools in kernel: %s\n",
1144: strerror(errno));
1145: return;
1146: }
1147:
1148: for (i = 1; npools; i++) {
1149: char name[32];
1150:
1151: mib[0] = CTL_KERN;
1152: mib[1] = KERN_POOL;
1153: mib[2] = KERN_POOL_POOL;
1154: mib[3] = i;
1155: size = sizeof(struct pool);
1156: if (sysctl(mib, 4, &pool, &size, NULL, 0) < 0) {
1157: if (errno == ENOENT)
1158: continue;
1159: printf("error getting pool: %s\n", strerror(errno));
1160: return;
1161: }
1162: npools--;
1163: mib[2] = KERN_POOL_NAME;
1164: size = sizeof(name);
1165: if (sysctl(mib, 4, &name, &size, NULL, 0) < 0) {
1166: printf("error getting pool name: %s\n",
1167: strerror(errno));
1168: return;
1169: }
1170: print_pool(&pool, name);
1.63 art 1171:
1172: inuse += (pool.pr_nget - pool.pr_nput) * pool.pr_size;
1173: total += pool.pr_npages * getpagesize(); /* XXX */
1.55 art 1174: }
1.63 art 1175:
1176: inuse /= 1024;
1177: total /= 1024;
1178: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1179: inuse, total, (double)(100 * inuse) / total);
1.55 art 1180: }
1181:
1182: void
1183: dopool_kvm(void)
1184: {
1.48 art 1185: long addr;
1186: long total = 0, inuse = 0;
1187: TAILQ_HEAD(,pool) pool_head;
1188: struct pool pool, *pp = &pool;
1189:
1190: kread(X_POOLHEAD, &pool_head, sizeof(pool_head));
1191: addr = (long)TAILQ_FIRST(&pool_head);
1192:
1.55 art 1193: while (addr != 0) {
1.54 art 1194: char name[32];
1.56 angelos 1195:
1.48 art 1196: if (kvm_read(kd, addr, (void *)pp, sizeof *pp) != sizeof *pp) {
1197: (void)fprintf(stderr,
1198: "vmstat: pool chain trashed: %s\n",
1199: kvm_geterr(kd));
1200: exit(1);
1201: }
1202: if (kvm_read(kd, (long)pp->pr_wchan, name, sizeof name) < 0) {
1203: (void)fprintf(stderr,
1204: "vmstat: pool name trashed: %s\n",
1205: kvm_geterr(kd));
1206: exit(1);
1207: }
1.56 angelos 1208:
1.48 art 1209: name[31] = '\0';
1210:
1.54 art 1211: print_pool(pp, name);
1.48 art 1212:
1213: inuse += (pp->pr_nget - pp->pr_nput) * pp->pr_size;
1.63 art 1214: total += pp->pr_npages * getpagesize(); /* XXX */
1.56 angelos 1215:
1.48 art 1216: addr = (long)TAILQ_NEXT(pp, pr_poollist);
1217: }
1218:
1219: inuse /= 1024;
1220: total /= 1024;
1221: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1222: inuse, total, (double)(100 * inuse) / total);
1223: }
1224:
1.1 deraadt 1225: /*
1226: * kread reads something from the kernel, given its nlist index.
1227: */
1228: void
1.72 deraadt 1229: kread(int nlx, void *addr, size_t size)
1.1 deraadt 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
1.72 deraadt 1248: usage(void)
1.1 deraadt 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: }
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