Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.68
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.68 ! art 2: /* $OpenBSD: vmstat.c,v 1.67 2002/03/12 00:59:48 ho 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[] = {
1.53 deraadt 83: #define X_UVMEXP 0
1.29 art 84: { "_uvmexp" },
1.53 deraadt 85: #define X_BOOTTIME 1
1.1 deraadt 86: { "_boottime" },
1.53 deraadt 87: #define X_NCHSTATS 2
1.1 deraadt 88: { "_nchstats" },
1.53 deraadt 89: #define X_INTRNAMES 3
1.1 deraadt 90: { "_intrnames" },
1.53 deraadt 91: #define X_EINTRNAMES 4
1.1 deraadt 92: { "_eintrnames" },
1.53 deraadt 93: #define X_INTRCNT 5
1.1 deraadt 94: { "_intrcnt" },
1.53 deraadt 95: #define X_EINTRCNT 6
1.1 deraadt 96: { "_eintrcnt" },
1.53 deraadt 97: #define X_KMEMSTAT 7
1.1 deraadt 98: { "_kmemstats" },
1.53 deraadt 99: #define X_KMEMBUCKETS 8
1.1 deraadt 100: { "_bucket" },
1.53 deraadt 101: #define X_ALLEVENTS 9
1.1 deraadt 102: { "_allevents" },
1.53 deraadt 103: #define X_FORKSTAT 10
1.12 tholo 104: { "_forkstat" },
1.53 deraadt 105: #define X_POOLHEAD 11
1.48 art 106: { "_pool_head" },
1.53 deraadt 107: #define X_NSELCOLL 12
1.50 art 108: { "_nselcoll" },
1.53 deraadt 109: #define X_END 13
1.28 espie 110: #if defined(__i386__)
1.12 tholo 111: #define X_INTRHAND (X_END)
112: { "_intrhand" },
113: #define X_INTRSTRAY (X_END+1)
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);
560: (void)printf("%11u pages reserved for pagedaemon\n",
1.48 art 561: uvmexp.reserve_pagedaemon);
1.35 hugh 562: (void)printf("%11u pages reserved for kernel\n",
1.48 art 563: uvmexp.reserve_kernel);
1.32 art 564:
565: /* swap */
1.35 hugh 566: (void)printf("%11u swap pages\n", uvmexp.swpages);
567: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
568: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
569: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 570:
571: /* stat counters */
1.35 hugh 572: (void)printf("%11u page faults\n", uvmexp.faults);
573: (void)printf("%11u traps\n", uvmexp.traps);
574: (void)printf("%11u interrupts\n", uvmexp.intrs);
575: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
576: (void)printf("%11u software interrupts\n", uvmexp.softs);
577: (void)printf("%11u syscalls\n", uvmexp.syscalls);
578: (void)printf("%11u pagein operations\n", uvmexp.pageins);
579: (void)printf("%11u swap ins\n", uvmexp.swapins);
580: (void)printf("%11u swap outs\n", uvmexp.swapouts);
581: (void)printf("%11u forks\n", uvmexp.forks);
582: (void)printf("%11u forks where vmspace is shared\n",
1.48 art 583: uvmexp.forks_sharevm);
1.32 art 584:
585: /* daemon counters */
1.64 deraadt 586: (void)printf("%11u number of times the pagedaemon woke up\n",
1.48 art 587: uvmexp.pdwoke);
1.35 hugh 588: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
589: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
590: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
591: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
592: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 593:
1.56 angelos 594: if (nlistf == NULL && memf == NULL) {
1.52 angelos 595: size = sizeof(nchstats);
596: mib[0] = CTL_KERN;
597: mib[1] = KERN_NCHSTATS;
598: if (sysctl(mib, 2, &nchstats, &size, NULL, 0) < 0) {
1.56 angelos 599: warn("could not read kern.nchstats");
1.52 angelos 600: bzero(&nchstats, sizeof(nchstats));
601: }
1.56 angelos 602: } else {
603: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
1.52 angelos 604: }
605:
1.1 deraadt 606: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
607: nchstats.ncs_badhits + nchstats.ncs_falsehits +
608: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 609: (void)printf("%11ld total name lookups\n", nchtotal);
1.52 angelos 610: (void)printf("%11s cache hits (%d%% pos + %d%% neg) system %d%% "
611: "per-directory\n",
1.1 deraadt 612: "", PCT(nchstats.ncs_goodhits, nchtotal),
613: PCT(nchstats.ncs_neghits, nchtotal),
614: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 615: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 616: PCT(nchstats.ncs_badhits, nchtotal),
617: PCT(nchstats.ncs_falsehits, nchtotal),
618: PCT(nchstats.ncs_long, nchtotal));
1.52 angelos 619:
1.56 angelos 620: if (nlistf == NULL && memf == NULL) {
1.52 angelos 621: size = sizeof(nselcoll);
622: mib[0] = CTL_KERN;
623: mib[1] = KERN_NSELCOLL;
624: if (sysctl(mib, 2, &nselcoll, &size, NULL, 0) < 0) {
1.56 angelos 625: warn("could not read kern.nselcoll");
1.52 angelos 626: nselcoll = 0;
627: }
1.56 angelos 628: } else {
629: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
1.52 angelos 630: }
1.50 art 631: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 632: }
633:
634: void
635: doforkst()
636: {
637: struct forkstat fks;
1.52 angelos 638: size_t size;
639: int mib[2];
640:
1.56 angelos 641: if (nlistf == NULL && memf == NULL) {
1.52 angelos 642: size = sizeof(struct forkstat);
643: mib[0] = CTL_KERN;
644: mib[1] = KERN_FORKSTAT;
645: if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) {
1.56 angelos 646: warn("could not read kern.forkstat");
1.52 angelos 647: bzero(&fks, sizeof(struct forkstat));
648: }
1.56 angelos 649: } else {
650: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
1.52 angelos 651: }
1.1 deraadt 652:
653: (void)printf("%d forks, %d pages, average %.2f\n",
654: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
655: (void)printf("%d vforks, %d pages, average %.2f\n",
1.12 tholo 656: fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
657: (void)printf("%d rforks, %d pages, average %.2f\n",
658: fks.cntrfork, fks.sizrfork, (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 659: (void)printf("%d kthread creations, %d pages, average %.2f\n",
660: fks.cntkthread, fks.sizkthread, (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 661: }
662:
663: void
664: dkstats()
665: {
1.62 mpech 666: int dn, state;
1.1 deraadt 667: double etime;
668:
1.6 tholo 669: /* Calculate disk stat deltas. */
670: dkswap();
1.1 deraadt 671: etime = 0;
672: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 673: etime += cur.cp_time[state];
1.1 deraadt 674: }
675: if (etime == 0)
676: etime = 1;
677: etime /= hz;
678: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 679: if (!dk_select[dn])
1.1 deraadt 680: continue;
1.64 deraadt 681: (void)printf("%3.0f ", cur.dk_xfer[dn] / etime);
1.1 deraadt 682: }
683: }
684:
685: void
686: cpustats()
687: {
1.62 mpech 688: int state;
1.1 deraadt 689: double pct, total;
690:
691: total = 0;
692: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 693: total += cur.cp_time[state];
1.1 deraadt 694: if (total)
695: pct = 100 / total;
696: else
697: pct = 0;
1.6 tholo 698: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
699: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
700: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 701: }
702:
1.53 deraadt 703: #if defined(__i386__)
1.12 tholo 704: /* To get struct intrhand */
1.13 tholo 705: #define _KERNEL
1.12 tholo 706: #include <machine/psl.h>
1.56 angelos 707: #include <machine/cpu.h>
1.13 tholo 708: #undef _KERNEL
1.12 tholo 709: void
710: dointr()
711: {
712: struct intrhand *intrhand[16], *ihp, ih;
1.56 angelos 713: u_long inttotal = 0;
1.19 deraadt 714: time_t uptime;
1.50 art 715: u_long intrstray[16];
1.34 deraadt 716: char iname[17], fname[31];
1.58 pvalchev 717: int i;
718: #if 0
719: int mib[2], l, incflag;
1.56 angelos 720: size_t size;
721: char *intrnames, *intrcount, *intrn, *intrc, *buf1, *buf2;
1.58 pvalchev 722: #endif
1.12 tholo 723:
724: iname[16] = '\0';
725: uptime = getuptime();
726:
1.27 alex 727: (void)printf("interrupt total rate\n");
1.56 angelos 728:
729: #if 0 /* XXX Something else is needed here....get on with it Theo! */
730: if (nlistf == NULL && memf == NULL) {
731: mib[0] = CTL_MACHDEP;
732: mib[1] = CPU_INTRNAMES;
733: size = 0;
734: if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0)
735: err(1, "could not get machdep.intrnames");
736: intrnames = calloc(size, sizeof(char));
737: if (intrnames == NULL)
738: err(1,
739: "could not allocate memory for interrupt names");
740: if (sysctl(mib, 2, intrnames, &size, NULL, 0) < 0)
741: err(1, "could not get machdep.intrnames");
742:
743: mib[1] = CPU_INTRCOUNT;
744: size = 0;
745: if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0)
746: err(1, "could not get machdep.intrcount");
747: intrcount = calloc(size, sizeof(char));
748: if (intrcount == NULL)
749: err(1,
750: "could not allocate memory for interrupt count");
751: if (sysctl(mib, 2, intrcount, &size, NULL, 0) < 0)
752: err(1, "could not get machdep.intrcount");
753:
754: mib[1] = CPU_INTRSTRAY;
755: size = sizeof(intrstray);
756: if (sysctl(mib, 2, intrstray, &size, NULL, 0) < 0) {
757: warn("could not get machdep.intrstray");
758: bzero(intrstray, sizeof(intrstray));
759: }
760:
761: buf1 = intrnames;
762: buf2 = intrcount;
763: i = 0;
764: while ((intrn = strsep(&buf1, ",/")) != NULL) {
765: /* Find what the next delimiter is */
766: for (l = 0; buf2[l] != '\0'; l++) {
767: if (buf2[l] == '/') {
768: /* Don't increase the irq count */
769: incflag = 0;
770: break;
771: } else if (buf2[l] == ',') {
772: incflag = 1;
773: break;
774: }
775: }
776:
777: if ((intrc = strsep(&buf2, ",/")) == NULL)
778: errx(1, "unexpected failure matching interrupts with usage counters");
779:
780: /* Unused interrupt ? If so, skip this entry */
781: if (intrn[0] == '\0') {
782: if (incflag)
783: i++;
784: continue;
785: }
786:
787: snprintf(fname, sizeof fname, "irq%d/%s", i, intrn);
788: printf("%-16.16s %10lu %8lu\n", fname,
789: strtoul(intrc, NULL, 10),
790: strtoul(intrc, NULL, 10) / uptime);
791: inttotal += strtoul(intrc, NULL, 10);
792:
793: if (incflag)
794: i++;
795: }
796:
797: free(intrnames);
798: free(intrcount);
799: } else
800: #endif /* 0 */
801: {
802: kread(X_INTRHAND, intrhand, sizeof(intrhand));
803: kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
804:
805: for (i = 0; i < 16; i++) {
806: ihp = intrhand[i];
807: while (ihp) {
808: if (kvm_read(kd, (u_long)ihp, &ih,
809: sizeof(ih)) != sizeof(ih))
810: errx(1, "vmstat: ih: %s",
811: kvm_geterr(kd));
812: if (kvm_read(kd, (u_long)ih.ih_what, iname,
813: 16) != 16)
814: errx(1, "vmstat: ih_what: %s",
815: kvm_geterr(kd));
816: snprintf(fname, sizeof fname, "irq%d/%s", i,
817: iname);
818: printf("%-16.16s %10lu %8lu\n", fname,
819: ih.ih_count, ih.ih_count / uptime);
820: inttotal += ih.ih_count;
821: ihp = ih.ih_next;
822: }
1.12 tholo 823: }
824: }
1.56 angelos 825:
1.12 tholo 826: for (i = 0; i < 16; i++)
827: if (intrstray[i]) {
1.50 art 828: printf("Stray irq %-2d %10lu %8lu\n",
1.53 deraadt 829: i, intrstray[i], intrstray[i] / uptime);
1.12 tholo 830: inttotal += intrstray[i];
831: }
1.50 art 832: printf("Total %10lu %8lu\n", inttotal, inttotal / uptime);
1.1 deraadt 833: }
834: #else
835: void
836: dointr()
837: {
1.62 mpech 838: long *intrcnt, inttotal;
1.19 deraadt 839: time_t uptime;
1.62 mpech 840: int nintr, inamlen;
841: char *intrname;
1.9 deraadt 842: struct evcntlist allevents;
843: struct evcnt evcnt, *evptr;
1.1 deraadt 844: struct device dev;
845:
846: uptime = getuptime();
847: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
848: inamlen =
849: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
850: intrcnt = malloc((size_t)nintr);
851: intrname = malloc((size_t)inamlen);
1.50 art 852: if (intrcnt == NULL || intrname == NULL)
853: err(1, "malloc");
1.1 deraadt 854: kread(X_INTRCNT, intrcnt, (size_t)nintr);
855: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 856: (void)printf("interrupt total rate\n");
1.1 deraadt 857: inttotal = 0;
858: nintr /= sizeof(long);
859: while (--nintr >= 0) {
860: if (*intrcnt)
1.27 alex 861: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 862: *intrcnt, *intrcnt / uptime);
863: intrname += strlen(intrname) + 1;
864: inttotal += *intrcnt++;
865: }
866: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 867: evptr = allevents.tqh_first;
868: while (evptr) {
869: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.50 art 870: sizeof evcnt) != sizeof evcnt)
871: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 872: if (strcmp(evcnt.ev_name, "intr") == 0) {
873: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.50 art 874: sizeof dev) != sizeof dev)
875: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 876: if (evcnt.ev_count)
1.33 art 877: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
878: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 879: inttotal += evcnt.ev_count++;
880: }
1.9 deraadt 881: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 882: }
1.27 alex 883: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 884: }
885: #endif
886:
887: /*
888: * These names are defined in <sys/malloc.h>.
889: */
890: char *kmemnames[] = INITKMEMNAMES;
891:
892: void
893: domem()
894: {
1.62 mpech 895: struct kmembuckets *kp;
896: struct kmemstats *ks;
897: int i, j;
1.1 deraadt 898: int len, size, first;
1.50 art 899: u_long totuse = 0, totfree = 0;
900: quad_t totreq = 0;
1.1 deraadt 901: char *name;
902: struct kmemstats kmemstats[M_LAST];
903: struct kmembuckets buckets[MINBUCKET + 16];
1.50 art 904: int mib[4];
905: size_t siz;
906: char buf[BUFSIZ], *bufp, *ap;
907:
908: if (memf == NULL && nlistf == NULL) {
1.53 deraadt 909: mib[0] = CTL_KERN;
1.50 art 910: mib[1] = KERN_MALLOCSTATS;
911: mib[2] = KERN_MALLOC_BUCKETS;
912: siz = sizeof(buf);
913: if (sysctl(mib, 3, buf, &siz, NULL, 0) < 0) {
1.56 angelos 914: warnx("could not read kern.malloc.buckets");
1.50 art 915: return;
916: }
917:
918: bufp = buf;
919: mib[2] = KERN_MALLOC_BUCKET;
920: siz = sizeof(struct kmembuckets);
921: i = 0;
922: while ((ap = strsep(&bufp, ",")) != NULL) {
1.53 deraadt 923: mib[3] = atoi(ap);
1.50 art 924:
925: if (sysctl(mib, 4, &buckets[MINBUCKET + i], &siz,
1.53 deraadt 926: NULL, 0) < 0) {
1.56 angelos 927: warn("could not read kern.malloc.bucket.%d", mib[3]);
1.50 art 928: return;
929: }
930: i++;
931: }
932: } else {
1.53 deraadt 933: kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
1.50 art 934: }
1.1 deraadt 935:
1.18 kstailey 936: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
937: i++, kp++) {
1.65 art 938: if (kp->kb_calls == 0 && !verbose)
1.1 deraadt 939: continue;
1.18 kstailey 940: if (first) {
941: (void)printf("Memory statistics by bucket size\n");
942: (void)printf(
1.50 art 943: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 944: first = 0;
945: }
1.1 deraadt 946: size = 1 << i;
1.60 art 947: (void)printf("%8d %8llu %6llu %18llu %7llu %10llu\n", size,
948: (unsigned long long)(kp->kb_total - kp->kb_totalfree),
949: (unsigned long long)kp->kb_totalfree,
950: (unsigned long long)kp->kb_calls,
951: (unsigned long long)kp->kb_highwat,
952: (unsigned long long)kp->kb_couldfree);
1.1 deraadt 953: totfree += size * kp->kb_totalfree;
1.18 kstailey 954: }
955:
956: /*
957: * If kmem statistics are not being gathered by the kernel,
958: * first will still be 1.
959: */
960: if (first) {
961: printf(
962: "Kmem statistics are not being gathered by the kernel.\n");
963: return;
1.1 deraadt 964: }
965:
1.52 angelos 966: if (memf == NULL && nlistf == NULL) {
967: bzero(kmemstats, sizeof(kmemstats));
968: for (i = 0; i < M_LAST; i++) {
1.53 deraadt 969: mib[0] = CTL_KERN;
1.52 angelos 970: mib[1] = KERN_MALLOCSTATS;
971: mib[2] = KERN_MALLOC_KMEMSTATS;
972: mib[3] = i;
973: siz = sizeof(struct kmemstats);
974:
975: /*
976: * Skip errors -- these are presumed to be unallocated
977: * entries.
978: */
979: if (sysctl(mib, 4, &kmemstats[i], &siz, NULL, 0) < 0)
980: continue;
981: }
982: } else {
983: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
984: }
985:
1.1 deraadt 986: (void)printf("\nMemory usage type by bucket size\n");
987: (void)printf(" Size Type(s)\n");
988: kp = &buckets[MINBUCKET];
989: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
990: if (kp->kb_calls == 0)
991: continue;
992: first = 1;
993: len = 8;
994: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
995: if (ks->ks_calls == 0)
996: continue;
997: if ((ks->ks_size & j) == 0)
998: continue;
999: name = kmemnames[i] ? kmemnames[i] : "undefined";
1000: len += 2 + strlen(name);
1001: if (first)
1002: printf("%8d %s", j, name);
1003: else
1004: printf(",");
1005: if (len >= 80) {
1006: printf("\n\t ");
1007: len = 10 + strlen(name);
1008: }
1009: if (!first)
1010: printf(" %s", name);
1011: first = 0;
1012: }
1013: printf("\n");
1014: }
1015:
1016: (void)printf(
1.26 deraadt 1017: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 1018: (void)printf(
1.26 deraadt 1019: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 1020: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
1021: if (ks->ks_calls == 0)
1022: continue;
1.24 mickey 1023: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 1024: kmemnames[i] ? kmemnames[i] : "undefined",
1025: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
1026: (ks->ks_maxused + 1023) / 1024,
1027: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
1028: ks->ks_limblocks, ks->ks_mapblocks);
1029: first = 1;
1030: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
1031: if ((ks->ks_size & j) == 0)
1032: continue;
1033: if (first)
1034: printf(" %d", j);
1035: else
1036: printf(",%d", j);
1037: first = 0;
1038: }
1039: printf("\n");
1040: totuse += ks->ks_memuse;
1041: totreq += ks->ks_calls;
1042: }
1043: (void)printf("\nMemory Totals: In Use Free Requests\n");
1.50 art 1044: (void)printf(" %7luK %6luK %8qu\n",
1.1 deraadt 1045: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
1046: }
1047:
1.54 art 1048: static void
1049: print_pool(struct pool *pp, char *name)
1050: {
1051: static int first = 1;
1052: int ovflw;
1053: char maxp[32];
1054:
1055: if (first) {
1056: (void)printf("Memory resource pool statistics\n");
1057: (void)printf(
1058: "%-11s%5s%9s%5s%9s%6s%6s%6s%6s%6s%6s%5s\n",
1059: "Name",
1060: "Size",
1061: "Requests",
1062: "Fail",
1063: "Releases",
1064: "Pgreq",
1065: "Pgrel",
1066: "Npage",
1067: "Hiwat",
1068: "Minpg",
1069: "Maxpg",
1070: "Idle");
1071: first = 0;
1072: }
1.65 art 1073:
1074: /* Skip unused pools unless verbose output. */
1075: if (pp->pr_nget == 0 && !verbose)
1076: return;
1077:
1.54 art 1078: if (pp->pr_maxpages == UINT_MAX)
1079: sprintf(maxp, "inf");
1080: else
1081: sprintf(maxp, "%u", pp->pr_maxpages);
1082: /*
1083: * Print single word. `ovflow' is number of characters didn't fit
1084: * on the last word. `fmt' is a format string to print this word.
1085: * It must contain asterisk for field width. `width' is a width
1086: * occupied by this word. `fixed' is a number of constant chars in
1087: * `fmt'. `val' is a value to be printed using format string `fmt'.
1088: */
1089: #define PRWORD(ovflw, fmt, width, fixed, val) do { \
1090: (ovflw) += printf((fmt), \
1091: (width) - (fixed) - (ovflw) > 0 ? \
1092: (width) - (fixed) - (ovflw) : 0, \
1093: (val)) - (width); \
1094: if ((ovflw) < 0) \
1095: (ovflw) = 0; \
1096: } while (/* CONSTCOND */0)
1097:
1098: ovflw = 0;
1099: PRWORD(ovflw, "%-*s", 11, 0, name);
1100: PRWORD(ovflw, " %*u", 5, 1, pp->pr_size);
1101: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nget);
1102: PRWORD(ovflw, " %*lu", 5, 1, pp->pr_nfail);
1103: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nput);
1104: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagealloc);
1105: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagefree);
1106: PRWORD(ovflw, " %*d", 6, 1, pp->pr_npages);
1107: PRWORD(ovflw, " %*d", 6, 1, pp->pr_hiwat);
1108: PRWORD(ovflw, " %*d", 6, 1, pp->pr_minpages);
1109: PRWORD(ovflw, " %*s", 6, 1, maxp);
1110: PRWORD(ovflw, " %*lu\n", 5, 1, pp->pr_nidle);
1111: }
1112:
1.55 art 1113: static void dopool_kvm(void);
1114: static void dopool_sysctl(void);
1115:
1.48 art 1116: void
1117: dopool(void)
1118: {
1.55 art 1119: if (nlistf == NULL && memf == NULL)
1120: dopool_sysctl();
1121: else
1122: dopool_kvm();
1123: }
1124:
1125: void
1126: dopool_sysctl(void)
1127: {
1.63 art 1128: long total = 0, inuse = 0;
1.55 art 1129: struct pool pool;
1130: size_t size;
1131: int mib[4];
1132: int npools, i;
1133:
1134: mib[0] = CTL_KERN;
1135: mib[1] = KERN_POOL;
1136: mib[2] = KERN_POOL_NPOOLS;
1137: size = sizeof(npools);
1138: if (sysctl(mib, 3, &npools, &size, NULL, 0) < 0) {
1139: printf("Can't figure out number of pools in kernel: %s\n",
1140: strerror(errno));
1141: return;
1142: }
1143:
1144: for (i = 1; npools; i++) {
1145: char name[32];
1146:
1147: mib[0] = CTL_KERN;
1148: mib[1] = KERN_POOL;
1149: mib[2] = KERN_POOL_POOL;
1150: mib[3] = i;
1151: size = sizeof(struct pool);
1152: if (sysctl(mib, 4, &pool, &size, NULL, 0) < 0) {
1153: if (errno == ENOENT)
1154: continue;
1155: printf("error getting pool: %s\n", strerror(errno));
1156: return;
1157: }
1158: npools--;
1159: mib[2] = KERN_POOL_NAME;
1160: size = sizeof(name);
1161: if (sysctl(mib, 4, &name, &size, NULL, 0) < 0) {
1162: printf("error getting pool name: %s\n",
1163: strerror(errno));
1164: return;
1165: }
1166: print_pool(&pool, name);
1.63 art 1167:
1168: inuse += (pool.pr_nget - pool.pr_nput) * pool.pr_size;
1169: total += pool.pr_npages * getpagesize(); /* XXX */
1.55 art 1170: }
1.63 art 1171:
1172: inuse /= 1024;
1173: total /= 1024;
1174: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1175: inuse, total, (double)(100 * inuse) / total);
1.55 art 1176: }
1177:
1178: void
1179: dopool_kvm(void)
1180: {
1.48 art 1181: long addr;
1182: long total = 0, inuse = 0;
1183: TAILQ_HEAD(,pool) pool_head;
1184: struct pool pool, *pp = &pool;
1185:
1186: kread(X_POOLHEAD, &pool_head, sizeof(pool_head));
1187: addr = (long)TAILQ_FIRST(&pool_head);
1188:
1.55 art 1189: while (addr != 0) {
1.54 art 1190: char name[32];
1.56 angelos 1191:
1.48 art 1192: if (kvm_read(kd, addr, (void *)pp, sizeof *pp) != sizeof *pp) {
1193: (void)fprintf(stderr,
1194: "vmstat: pool chain trashed: %s\n",
1195: kvm_geterr(kd));
1196: exit(1);
1197: }
1198: if (kvm_read(kd, (long)pp->pr_wchan, name, sizeof name) < 0) {
1199: (void)fprintf(stderr,
1200: "vmstat: pool name trashed: %s\n",
1201: kvm_geterr(kd));
1202: exit(1);
1203: }
1.56 angelos 1204:
1.48 art 1205: name[31] = '\0';
1206:
1.54 art 1207: print_pool(pp, name);
1.48 art 1208:
1209: inuse += (pp->pr_nget - pp->pr_nput) * pp->pr_size;
1.63 art 1210: total += pp->pr_npages * getpagesize(); /* XXX */
1.56 angelos 1211:
1.48 art 1212: addr = (long)TAILQ_NEXT(pp, pr_poollist);
1213: }
1214:
1215: inuse /= 1024;
1216: total /= 1024;
1217: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1218: inuse, total, (double)(100 * inuse) / total);
1219: }
1220:
1.1 deraadt 1221: /*
1222: * kread reads something from the kernel, given its nlist index.
1223: */
1224: void
1225: kread(nlx, addr, size)
1226: int nlx;
1227: void *addr;
1228: size_t size;
1229: {
1230: char *sym;
1231:
1232: if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
1233: sym = namelist[nlx].n_name;
1234: if (*sym == '_')
1235: ++sym;
1.50 art 1236: errx(1, "symbol %s not defined", sym);
1.1 deraadt 1237: }
1238: if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
1239: sym = namelist[nlx].n_name;
1240: if (*sym == '_')
1241: ++sym;
1.50 art 1242: errx(1, "%s: %s", sym, kvm_geterr(kd));
1.1 deraadt 1243: }
1244: }
1245:
1246: void
1247: usage()
1248: {
1.50 art 1249: (void)fprintf(stderr, "usage: %s [-fimst] [-c count] [-M core] "
1250: "[-N system] [-w wait] [disks]\n", __progname);
1.1 deraadt 1251: exit(1);
1252: }
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