Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.39
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.39 ! art 2: /* $OpenBSD: vmstat.c,v 1.38 2000/10/25 16:49:32 mickey 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 */
50:
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>
63: #include <vm/vm.h>
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:
1.29 art 79: #ifdef UVM
80: #include <uvm/uvm_extern.h>
81: #endif
82:
1.1 deraadt 83: struct nlist namelist[] = {
84: #define X_CPTIME 0
85: { "_cp_time" },
1.29 art 86: #if defined(UVM)
87: #define X_UVMEXP 1
88: { "_uvmexp" },
89: #else
1.23 deraadt 90: #define X_SUM 1
1.1 deraadt 91: { "_cnt" },
1.29 art 92: #endif
1.23 deraadt 93: #define X_BOOTTIME 2
1.1 deraadt 94: { "_boottime" },
1.23 deraadt 95: #define X_HZ 3
1.1 deraadt 96: { "_hz" },
1.23 deraadt 97: #define X_STATHZ 4
1.1 deraadt 98: { "_stathz" },
1.23 deraadt 99: #define X_NCHSTATS 5
1.1 deraadt 100: { "_nchstats" },
1.23 deraadt 101: #define X_INTRNAMES 6
1.1 deraadt 102: { "_intrnames" },
1.23 deraadt 103: #define X_EINTRNAMES 7
1.1 deraadt 104: { "_eintrnames" },
1.23 deraadt 105: #define X_INTRCNT 8
1.1 deraadt 106: { "_intrcnt" },
1.23 deraadt 107: #define X_EINTRCNT 9
1.1 deraadt 108: { "_eintrcnt" },
1.23 deraadt 109: #define X_KMEMSTAT 10
1.1 deraadt 110: { "_kmemstats" },
1.23 deraadt 111: #define X_KMEMBUCKETS 11
1.1 deraadt 112: { "_bucket" },
1.23 deraadt 113: #define X_ALLEVENTS 12
1.1 deraadt 114: { "_allevents" },
1.23 deraadt 115: #define X_FORKSTAT 13
1.12 tholo 116: { "_forkstat" },
1.39 ! art 117: #define X_NSELCOLL 14
! 118: { "_nselcoll" },
! 119: #define X_END 15
1.28 espie 120: #if defined(__pc532__)
1.1 deraadt 121: #define X_IVT (X_END)
122: { "_ivt" },
123: #endif
1.28 espie 124: #if defined(__i386__)
1.12 tholo 125: #define X_INTRHAND (X_END)
126: { "_intrhand" },
127: #define X_INTRSTRAY (X_END+1)
128: { "_intrstray" },
129: #endif
1.1 deraadt 130: { "" },
131: };
132:
1.6 tholo 133: /* Objects defined in dkstats.c */
134: extern struct _disk cur;
1.10 deraadt 135: extern char **dr_name;
136: extern int *dk_select, dk_ndrive;
1.1 deraadt 137:
1.29 art 138: #ifdef UVM
139: struct uvmexp uvmexp, ouvmexp;
140: #else
1.1 deraadt 141: struct vmmeter sum, osum;
1.29 art 142: #endif
1.6 tholo 143: int ndrives;
1.1 deraadt 144:
145: int winlines = 20;
146:
147: kvm_t *kd;
148:
149: #define FORKSTAT 0x01
150: #define INTRSTAT 0x02
151: #define MEMSTAT 0x04
152: #define SUMSTAT 0x08
153: #define TIMESTAT 0x10
154: #define VMSTAT 0x20
155:
1.10 deraadt 156: void cpustats __P((void));
157: void dkstats __P((void));
158: void dointr __P((void));
159: void domem __P((void));
160: void dosum __P((void));
161: void dovmstat __P((u_int, int));
162: void kread __P((int, void *, size_t));
163: void usage __P((void));
164: void dotimes __P((void));
165: void doforkst __P((void));
1.21 millert 166: void printhdr __P((void));
1.1 deraadt 167:
1.10 deraadt 168: char **choosedrives __P((char **));
169:
170: /* Namelist and memory file names. */
171: char *nlistf, *memf;
1.6 tholo 172:
1.38 mickey 173: extern char *__progname;
174:
1.21 millert 175: int
1.1 deraadt 176: main(argc, argv)
177: register int argc;
178: register char **argv;
179: {
180: extern int optind;
181: extern char *optarg;
182: register int c, todo;
183: u_int interval;
184: int reps;
1.25 deraadt 185: char errbuf[_POSIX2_LINE_MAX];
1.1 deraadt 186:
187: memf = nlistf = NULL;
188: interval = reps = todo = 0;
1.16 millert 189: while ((c = getopt(argc, argv, "c:fiM:mN:stw:")) != -1) {
1.1 deraadt 190: switch (c) {
191: case 'c':
192: reps = atoi(optarg);
193: break;
194: case 'f':
195: todo |= FORKSTAT;
196: break;
197: case 'i':
198: todo |= INTRSTAT;
199: break;
200: case 'M':
201: memf = optarg;
202: break;
203: case 'm':
204: todo |= MEMSTAT;
205: break;
206: case 'N':
207: nlistf = optarg;
208: break;
209: case 's':
210: todo |= SUMSTAT;
211: break;
212: case 't':
213: todo |= TIMESTAT;
214: break;
215: case 'w':
216: interval = atoi(optarg);
217: break;
218: case '?':
219: default:
220: usage();
221: }
222: }
223: argc -= optind;
224: argv += optind;
225:
226: if (todo == 0)
227: todo = VMSTAT;
228:
229: /*
230: * Discard setgid privileges if not the running kernel so that bad
231: * guys can't print interesting stuff from kernel memory.
232: */
1.15 tholo 233: if (nlistf != NULL || memf != NULL) {
234: setegid(getgid());
1.1 deraadt 235: setgid(getgid());
1.15 tholo 236: }
1.1 deraadt 237:
1.25 deraadt 238: kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
1.38 mickey 239: if (kd == 0)
240: errx(1, "kvm_openfiles: %s", errbuf);
1.1 deraadt 241:
242: if ((c = kvm_nlist(kd, namelist)) != 0) {
1.25 deraadt 243:
244: setegid(getgid());
245: setgid(getgid());
246:
1.1 deraadt 247: if (c > 0) {
248: (void)fprintf(stderr,
1.38 mickey 249: "%s: undefined symbols:", __progname);
1.1 deraadt 250: for (c = 0;
251: c < sizeof(namelist)/sizeof(namelist[0]); c++)
252: if (namelist[c].n_type == 0)
253: fprintf(stderr, " %s",
254: namelist[c].n_name);
255: (void)fputc('\n', stderr);
1.38 mickey 256: exit(1);
1.1 deraadt 257: } else
1.38 mickey 258: errx(1, "kvm_nlist: %s", kvm_geterr(kd));
1.1 deraadt 259: }
260:
261: if (todo & VMSTAT) {
262: struct winsize winsize;
263:
1.6 tholo 264: dkinit(0); /* Initialize disk stats, no disks selected. */
265: argv = choosedrives(argv); /* Select disks. */
1.1 deraadt 266: winsize.ws_row = 0;
267: (void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
268: if (winsize.ws_row > 0)
269: winlines = winsize.ws_row;
270:
271: }
1.25 deraadt 272:
273: setegid(getgid());
274: setgid(getgid());
1.1 deraadt 275:
276: #define BACKWARD_COMPATIBILITY
277: #ifdef BACKWARD_COMPATIBILITY
278: if (*argv) {
279: interval = atoi(*argv);
280: if (*++argv)
281: reps = atoi(*argv);
282: }
283: #endif
284:
285: if (interval) {
286: if (!reps)
287: reps = -1;
288: } else if (reps)
289: interval = 1;
290:
291: if (todo & FORKSTAT)
292: doforkst();
293: if (todo & MEMSTAT)
294: domem();
295: if (todo & SUMSTAT)
296: dosum();
297: if (todo & TIMESTAT)
298: dotimes();
299: if (todo & INTRSTAT)
300: dointr();
301: if (todo & VMSTAT)
302: dovmstat(interval, reps);
303: exit(0);
304: }
305:
306: char **
1.6 tholo 307: choosedrives(argv)
1.1 deraadt 308: char **argv;
309: {
310: register int i;
311:
312: /*
313: * Choose drives to be displayed. Priority goes to (in order) drives
314: * supplied as arguments, default drives. If everything isn't filled
315: * in and there are drives not taken care of, display the first few
316: * that fit.
317: */
318: #define BACKWARD_COMPATIBILITY
319: for (ndrives = 0; *argv; ++argv) {
320: #ifdef BACKWARD_COMPATIBILITY
321: if (isdigit(**argv))
322: break;
323: #endif
324: for (i = 0; i < dk_ndrive; i++) {
325: if (strcmp(dr_name[i], *argv))
326: continue;
1.6 tholo 327: dk_select[i] = 1;
1.1 deraadt 328: ++ndrives;
329: break;
330: }
331: }
332: for (i = 0; i < dk_ndrive && ndrives < 4; i++) {
1.6 tholo 333: if (dk_select[i])
1.1 deraadt 334: continue;
1.6 tholo 335: dk_select[i] = 1;
1.1 deraadt 336: ++ndrives;
337: }
338: return(argv);
339: }
340:
1.19 deraadt 341: time_t
1.1 deraadt 342: getuptime()
343: {
1.11 deraadt 344: static time_t now;
345: static struct timeval boottime;
1.1 deraadt 346: time_t uptime;
347:
1.11 deraadt 348: if (boottime.tv_sec == 0)
1.1 deraadt 349: kread(X_BOOTTIME, &boottime, sizeof(boottime));
350: (void)time(&now);
1.11 deraadt 351: uptime = now - boottime.tv_sec;
1.38 mickey 352: if (uptime <= 0 || uptime > 60*60*24*365*10)
353: errx(1, "time makes no sense; namelist must be wrong");
1.1 deraadt 354: return(uptime);
355: }
356:
357: int hz, hdrcnt;
358:
359: void
360: dovmstat(interval, reps)
361: u_int interval;
362: int reps;
363: {
364: struct vmtotal total;
365: time_t uptime, halfuptime;
366: void needhdr();
367: int mib[2];
368: size_t size;
369:
370: uptime = getuptime();
371: halfuptime = uptime / 2;
372: (void)signal(SIGCONT, needhdr);
373:
374: if (namelist[X_STATHZ].n_type != 0 && namelist[X_STATHZ].n_value != 0)
375: kread(X_STATHZ, &hz, sizeof(hz));
376: if (!hz)
377: kread(X_HZ, &hz, sizeof(hz));
378:
379: for (hdrcnt = 1;;) {
380: if (!--hdrcnt)
381: printhdr();
1.6 tholo 382: /* Read new disk statistics */
383: dkreadstats();
1.29 art 384: #ifdef UVM
385: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
386: #else
1.1 deraadt 387: kread(X_SUM, &sum, sizeof(sum));
1.29 art 388: #endif
1.1 deraadt 389: size = sizeof(total);
390: mib[0] = CTL_VM;
391: mib[1] = VM_METER;
392: if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
393: printf("Can't get kerninfo: %s\n", strerror(errno));
394: bzero(&total, sizeof(total));
395: }
1.22 millert 396: (void)printf("%2u%2u%2u",
1.1 deraadt 397: total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
1.29 art 398: #define rate(x) (((x) + halfuptime) / uptime) /* round */
399: #ifdef UVM
400: #define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))
401: #else
1.22 millert 402: #define pgtok(a) ((a) * ((int)sum.v_page_size >> 10))
1.29 art 403: #endif
1.35 hugh 404: (void)printf("%7u%7u ",
1.1 deraadt 405: pgtok(total.t_avm), pgtok(total.t_free));
1.29 art 406: #ifdef UVM
407: (void)printf("%4u ", rate(uvmexp.faults - ouvmexp.faults));
408: (void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
409: (void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
410: (void)printf("%3u %3u ",
411: rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
412: (void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
413: dkstats();
414: (void)printf("%4u %4u %3u ",
415: rate(uvmexp.intrs - ouvmexp.intrs),
416: rate(uvmexp.syscalls - ouvmexp.syscalls),
417: rate(uvmexp.swtch - ouvmexp.swtch));
418: #else
1.21 millert 419: (void)printf("%4u ", rate(sum.v_faults - osum.v_faults));
420: (void)printf("%3u ",
1.1 deraadt 421: rate(sum.v_reactivated - osum.v_reactivated));
1.21 millert 422: (void)printf("%3u ", rate(sum.v_pageins - osum.v_pageins));
423: (void)printf("%3u %3u ",
1.1 deraadt 424: rate(sum.v_pageouts - osum.v_pageouts), 0);
1.21 millert 425: (void)printf("%3u ", rate(sum.v_scan - osum.v_scan));
1.1 deraadt 426: dkstats();
1.21 millert 427: (void)printf("%4u %4u %3u ",
1.1 deraadt 428: rate(sum.v_intr - osum.v_intr),
429: rate(sum.v_syscall - osum.v_syscall),
430: rate(sum.v_swtch - osum.v_swtch));
1.29 art 431: #endif
1.1 deraadt 432: cpustats();
433: (void)printf("\n");
434: (void)fflush(stdout);
435: if (reps >= 0 && --reps <= 0)
436: break;
1.31 art 437: #ifdef UVM
1.29 art 438: ouvmexp = uvmexp;
1.31 art 439: #else
440: osum = sum;
441: #endif
1.1 deraadt 442: uptime = interval;
443: /*
444: * We round upward to avoid losing low-frequency events
445: * (i.e., >= 1 per interval but < 1 per second).
446: */
1.14 deraadt 447: halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
1.1 deraadt 448: (void)sleep(interval);
449: }
450: }
451:
1.21 millert 452: void
1.1 deraadt 453: printhdr()
454: {
455: register int i;
456:
1.35 hugh 457: (void)printf(" procs memory page%*s", 20, "");
1.6 tholo 458: if (ndrives > 0)
459: (void)printf("%s %*sfaults cpu\n",
460: ((ndrives > 1) ? "disks" : "disk"),
461: ((ndrives > 1) ? ndrives * 3 - 4 : 0), "");
1.1 deraadt 462: else
1.6 tholo 463: (void)printf("%*s faults cpu\n",
464: ndrives * 3, "");
465:
1.35 hugh 466: (void)printf(" r b w avm fre flt re pi po fr sr ");
1.1 deraadt 467: for (i = 0; i < dk_ndrive; i++)
1.6 tholo 468: if (dk_select[i])
1.1 deraadt 469: (void)printf("%c%c ", dr_name[i][0],
470: dr_name[i][strlen(dr_name[i]) - 1]);
471: (void)printf(" in sy cs us sy id\n");
472: hdrcnt = winlines - 2;
473: }
474:
475: /*
476: * Force a header to be prepended to the next output.
477: */
478: void
479: needhdr()
480: {
481:
482: hdrcnt = 1;
483: }
484:
485: void
486: dotimes()
487: {
488: u_int pgintime, rectime;
489:
1.12 tholo 490: pgintime = 0;
491: rectime = 0;
1.29 art 492: #ifdef UVM
493: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
494: (void)printf("%u reactivates, %u total time (usec)\n",
495: uvmexp.pdreact, rectime);
496: (void)printf("average: %u usec / reclaim\n", rectime / uvmexp.pdreact);
497: (void)printf("\n");
498: (void)printf("%u page ins, %u total time (msec)\n",
499: uvmexp.pageins, pgintime / 10);
500: (void)printf("average: %8.1f msec / page in\n",
501: pgintime / (uvmexp.pageins * 10.0));
502: #else
1.1 deraadt 503: kread(X_SUM, &sum, sizeof(sum));
1.12 tholo 504: (void)printf("%u reactivates, %u total time (usec)\n",
505: sum.v_reactivated, rectime);
506: (void)printf("average: %u usec / reclaim\n", rectime / sum.v_reactivated);
1.1 deraadt 507: (void)printf("\n");
508: (void)printf("%u page ins, %u total time (msec)\n",
1.12 tholo 509: sum.v_pageins, pgintime / 10);
1.1 deraadt 510: (void)printf("average: %8.1f msec / page in\n",
1.12 tholo 511: pgintime / (sum.v_pageins * 10.0));
1.29 art 512: #endif
1.1 deraadt 513: }
514:
1.21 millert 515: int
1.1 deraadt 516: pct(top, bot)
517: long top, bot;
518: {
519: long ans;
520:
521: if (bot == 0)
522: return(0);
523: ans = (quad_t)top * 100 / bot;
524: return (ans);
525: }
526:
527: #define PCT(top, bot) pct((long)(top), (long)(bot))
528:
529: void
530: dosum()
531: {
532: struct nchstats nchstats;
533: long nchtotal;
1.39 ! art 534: int nselcoll;
1.1 deraadt 535:
1.29 art 536: #ifdef UVM
537: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
1.32 art 538: /* vm_page constants */
1.35 hugh 539: (void)printf("%11u bytes per page\n", uvmexp.pagesize);
1.32 art 540:
541: /* vm_page counters */
1.35 hugh 542: (void)printf("%11u pages managed\n", uvmexp.npages);
543: (void)printf("%11u pages free\n", uvmexp.free);
544: (void)printf("%11u pages active\n", uvmexp.active);
545: (void)printf("%11u pages inactive\n", uvmexp.inactive);
546: (void)printf("%11u pages being paged out\n", uvmexp.paging);
547: (void)printf("%11u pages wired\n", uvmexp.wired);
548: (void)printf("%11u pages reserved for pagedaemon\n",
1.38 mickey 549: uvmexp.reserve_pagedaemon);
1.35 hugh 550: (void)printf("%11u pages reserved for kernel\n",
1.38 mickey 551: uvmexp.reserve_kernel);
1.32 art 552:
553: /* swap */
1.35 hugh 554: (void)printf("%11u swap pages\n", uvmexp.swpages);
555: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
556: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
557: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 558:
559: /* stat counters */
1.35 hugh 560: (void)printf("%11u page faults\n", uvmexp.faults);
561: (void)printf("%11u traps\n", uvmexp.traps);
562: (void)printf("%11u interrupts\n", uvmexp.intrs);
563: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
564: (void)printf("%11u software interrupts\n", uvmexp.softs);
565: (void)printf("%11u syscalls\n", uvmexp.syscalls);
566: (void)printf("%11u pagein operations\n", uvmexp.pageins);
567: (void)printf("%11u swap ins\n", uvmexp.swapins);
568: (void)printf("%11u swap outs\n", uvmexp.swapouts);
569: (void)printf("%11u forks\n", uvmexp.forks);
570: (void)printf("%11u forks where vmspace is shared\n",
1.38 mickey 571: uvmexp.forks_sharevm);
1.32 art 572:
573: /* daemon counters */
1.37 art 574: (void)printf("%11u number of times the pagedeamon woke up\n",
1.38 mickey 575: uvmexp.pdwoke);
1.35 hugh 576: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
577: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
578: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
579: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
580: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 581: #else
1.1 deraadt 582: kread(X_SUM, &sum, sizeof(sum));
1.35 hugh 583: (void)printf("%11u cpu context switches\n", sum.v_swtch);
584: (void)printf("%11u device interrupts\n", sum.v_intr);
585: (void)printf("%11u software interrupts\n", sum.v_soft);
586: (void)printf("%11u traps\n", sum.v_trap);
587: (void)printf("%11u system calls\n", sum.v_syscall);
588: (void)printf("%11u total faults taken\n", sum.v_faults);
589: (void)printf("%11u swap ins\n", sum.v_swpin);
590: (void)printf("%11u swap outs\n", sum.v_swpout);
591: (void)printf("%11u pages swapped in\n", sum.v_pswpin / CLSIZE);
592: (void)printf("%11u pages swapped out\n", sum.v_pswpout / CLSIZE);
593: (void)printf("%11u page ins\n", sum.v_pageins);
594: (void)printf("%11u page outs\n", sum.v_pageouts);
595: (void)printf("%11u pages paged in\n", sum.v_pgpgin);
596: (void)printf("%11u pages paged out\n", sum.v_pgpgout);
597: (void)printf("%11u pages reactivated\n", sum.v_reactivated);
598: (void)printf("%11u intransit blocking page faults\n", sum.v_intrans);
599: (void)printf("%11u zero fill pages created\n", sum.v_nzfod / CLSIZE);
600: (void)printf("%11u zero fill page faults\n", sum.v_zfod / CLSIZE);
601: (void)printf("%11u pages examined by the clock daemon\n", sum.v_scan);
602: (void)printf("%11u revolutions of the clock hand\n", sum.v_rev);
603: (void)printf("%11u VM object cache lookups\n", sum.v_lookups);
604: (void)printf("%11u VM object hits\n", sum.v_hits);
605: (void)printf("%11u total VM faults taken\n", sum.v_vm_faults);
606: (void)printf("%11u copy-on-write faults\n", sum.v_cow_faults);
607: (void)printf("%11u pages freed by daemon\n", sum.v_dfree);
608: (void)printf("%11u pages freed by exiting processes\n", sum.v_pfree);
609: (void)printf("%11u pages free\n", sum.v_free_count);
610: (void)printf("%11u pages wired down\n", sum.v_wire_count);
611: (void)printf("%11u pages active\n", sum.v_active_count);
612: (void)printf("%11u pages inactive\n", sum.v_inactive_count);
613: (void)printf("%11u bytes per page\n", sum.v_page_size);
1.29 art 614: #endif
615:
1.1 deraadt 616: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
617: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
618: nchstats.ncs_badhits + nchstats.ncs_falsehits +
619: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 620: (void)printf("%11ld total name lookups\n", nchtotal);
1.1 deraadt 621: (void)printf(
1.35 hugh 622: "%11s cache hits (%d%% pos + %d%% neg) system %d%% per-directory\n",
1.1 deraadt 623: "", PCT(nchstats.ncs_goodhits, nchtotal),
624: PCT(nchstats.ncs_neghits, nchtotal),
625: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 626: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 627: PCT(nchstats.ncs_badhits, nchtotal),
628: PCT(nchstats.ncs_falsehits, nchtotal),
629: PCT(nchstats.ncs_long, nchtotal));
1.39 ! art 630: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
! 631: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 632: }
633:
634: void
635: doforkst()
636: {
637: struct forkstat fks;
638:
639: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
640: (void)printf("%d forks, %d pages, average %.2f\n",
641: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
642: (void)printf("%d vforks, %d pages, average %.2f\n",
1.12 tholo 643: fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
644: (void)printf("%d rforks, %d pages, average %.2f\n",
645: fks.cntrfork, fks.sizrfork, (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 646: (void)printf("%d kthread creations, %d pages, average %.2f\n",
647: fks.cntkthread, fks.sizkthread, (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 648: }
649:
650: void
651: dkstats()
652: {
653: register int dn, state;
654: double etime;
655:
1.6 tholo 656: /* Calculate disk stat deltas. */
657: dkswap();
1.1 deraadt 658: etime = 0;
659: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 660: etime += cur.cp_time[state];
1.1 deraadt 661: }
662: if (etime == 0)
663: etime = 1;
664: etime /= hz;
665: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 666: if (!dk_select[dn])
1.1 deraadt 667: continue;
1.6 tholo 668: (void)printf("%2.0f ", cur.dk_xfer[dn] / etime);
1.1 deraadt 669: }
670: }
671:
672: void
673: cpustats()
674: {
675: register int state;
676: double pct, total;
677:
678: total = 0;
679: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 680: total += cur.cp_time[state];
1.1 deraadt 681: if (total)
682: pct = 100 / total;
683: else
684: pct = 0;
1.6 tholo 685: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
686: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
687: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 688: }
689:
1.28 espie 690: #if defined(__pc532__)
1.1 deraadt 691: /* To get struct iv ...*/
692: #define _KERNEL
693: #include <machine/psl.h>
694: #undef _KERNEL
695: void
696: dointr()
697: {
1.19 deraadt 698: register long i, j, inttotal;
699: time_t uptime;
1.1 deraadt 700: static char iname[64];
701: struct iv ivt[32], *ivp = ivt;
702:
703: iname[63] = '\0';
704: uptime = getuptime();
705: kread(X_IVT, ivp, sizeof(ivt));
706:
707: for (i = 0; i < 2; i++) {
708: (void)printf("%sware interrupts:\n", i ? "\nsoft" : "hard");
1.27 alex 709: (void)printf("interrupt total rate\n");
1.1 deraadt 710: inttotal = 0;
711: for (j = 0; j < 16; j++, ivp++) {
712: if (ivp->iv_vec && ivp->iv_use && ivp->iv_cnt) {
713: if (kvm_read(kd, (u_long)ivp->iv_use, iname, 63) != 63) {
1.38 mickey 714: errx(1, "iv_use: %s", kvm_geterr(kd));
1.1 deraadt 715: kvm_geterr(kd));
716: exit(1);
717: }
1.27 alex 718: (void)printf("%-12s %10ld %8ld\n", iname,
1.1 deraadt 719: ivp->iv_cnt, ivp->iv_cnt / uptime);
720: inttotal += ivp->iv_cnt;
721: }
722: }
1.27 alex 723: (void)printf("Total %10ld %8ld\n",
1.1 deraadt 724: inttotal, inttotal / uptime);
725: }
1.12 tholo 726: }
1.28 espie 727: #elif defined(__i386__)
1.12 tholo 728: /* To get struct intrhand */
1.13 tholo 729: #define _KERNEL
1.12 tholo 730: #include <machine/psl.h>
1.13 tholo 731: #undef _KERNEL
1.12 tholo 732: void
733: dointr()
734: {
735: struct intrhand *intrhand[16], *ihp, ih;
1.38 mickey 736: u_long inttotal;
1.19 deraadt 737: time_t uptime;
1.38 mickey 738: u_long intrstray[16];
1.34 deraadt 739: char iname[17], fname[31];
1.12 tholo 740: int i;
741:
742: iname[16] = '\0';
743: uptime = getuptime();
744: kread(X_INTRHAND, intrhand, sizeof(intrhand));
745: kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
746:
1.27 alex 747: (void)printf("interrupt total rate\n");
1.12 tholo 748: inttotal = 0;
749: for (i = 0; i < 16; i++) {
750: ihp = intrhand[i];
751: while (ihp) {
752: if (kvm_read(kd, (u_long)ihp, &ih, sizeof(ih)) != sizeof(ih))
753: errx(1, "vmstat: ih: %s", kvm_geterr(kd));
754: if (kvm_read(kd, (u_long)ih.ih_what, iname, 16) != 16)
755: errx(1, "vmstat: ih_what: %s", kvm_geterr(kd));
1.34 deraadt 756: snprintf(fname, sizeof fname, "irq%d/%s", i, iname);
1.38 mickey 757: printf("%-16.16s %10lu %8lu\n", fname, ih.ih_count,
1.34 deraadt 758: ih.ih_count / uptime);
1.12 tholo 759: inttotal += ih.ih_count;
760: ihp = ih.ih_next;
761: }
762: }
763: for (i = 0; i < 16; i++)
764: if (intrstray[i]) {
1.38 mickey 765: printf("Stray irq %-2d %10lu %8lu\n",
1.12 tholo 766: i, intrstray[i], intrstray[i] / uptime);
767: inttotal += intrstray[i];
768: }
1.38 mickey 769: printf("Total %10lu %8lu\n", inttotal, inttotal / uptime);
1.1 deraadt 770: }
771: #else
772: void
773: dointr()
774: {
1.19 deraadt 775: register long *intrcnt, inttotal;
776: time_t uptime;
1.1 deraadt 777: register int nintr, inamlen;
778: register char *intrname;
1.9 deraadt 779: struct evcntlist allevents;
780: struct evcnt evcnt, *evptr;
1.1 deraadt 781: struct device dev;
782:
783: uptime = getuptime();
784: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
785: inamlen =
786: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
787: intrcnt = malloc((size_t)nintr);
788: intrname = malloc((size_t)inamlen);
1.38 mickey 789: if (intrcnt == NULL || intrname == NULL)
790: err(1, "malloc");
1.1 deraadt 791: kread(X_INTRCNT, intrcnt, (size_t)nintr);
792: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 793: (void)printf("interrupt total rate\n");
1.1 deraadt 794: inttotal = 0;
795: nintr /= sizeof(long);
796: while (--nintr >= 0) {
797: if (*intrcnt)
1.27 alex 798: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 799: *intrcnt, *intrcnt / uptime);
800: intrname += strlen(intrname) + 1;
801: inttotal += *intrcnt++;
802: }
803: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 804: evptr = allevents.tqh_first;
805: while (evptr) {
806: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.38 mickey 807: sizeof evcnt) != sizeof evcnt)
808: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 809: if (strcmp(evcnt.ev_name, "intr") == 0) {
810: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.38 mickey 811: sizeof dev) != sizeof dev)
812: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 813: if (evcnt.ev_count)
1.33 art 814: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
815: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 816: inttotal += evcnt.ev_count++;
817: }
1.9 deraadt 818: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 819: }
1.27 alex 820: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 821: }
822: #endif
823:
824: /*
825: * These names are defined in <sys/malloc.h>.
826: */
827: char *kmemnames[] = INITKMEMNAMES;
828:
829: void
830: domem()
831: {
832: register struct kmembuckets *kp;
833: register struct kmemstats *ks;
834: register int i, j;
835: int len, size, first;
836: long totuse = 0, totfree = 0, totreq = 0;
837: char *name;
838: struct kmemstats kmemstats[M_LAST];
839: struct kmembuckets buckets[MINBUCKET + 16];
840:
841: kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
1.18 kstailey 842: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
843: i++, kp++) {
1.1 deraadt 844: if (kp->kb_calls == 0)
845: continue;
1.18 kstailey 846: if (first) {
847: (void)printf("Memory statistics by bucket size\n");
848: (void)printf(
1.38 mickey 849: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 850: first = 0;
851: }
1.1 deraadt 852: size = 1 << i;
1.38 mickey 853: (void)printf("%8d %8ld %6ld %10ld %7ld %10ld\n", size,
1.1 deraadt 854: kp->kb_total - kp->kb_totalfree,
855: kp->kb_totalfree, kp->kb_calls,
856: kp->kb_highwat, kp->kb_couldfree);
857: totfree += size * kp->kb_totalfree;
1.18 kstailey 858: }
859:
860: /*
861: * If kmem statistics are not being gathered by the kernel,
862: * first will still be 1.
863: */
864: if (first) {
865: printf(
866: "Kmem statistics are not being gathered by the kernel.\n");
867: return;
1.1 deraadt 868: }
869:
870: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
871: (void)printf("\nMemory usage type by bucket size\n");
872: (void)printf(" Size Type(s)\n");
873: kp = &buckets[MINBUCKET];
874: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
875: if (kp->kb_calls == 0)
876: continue;
877: first = 1;
878: len = 8;
879: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
880: if (ks->ks_calls == 0)
881: continue;
882: if ((ks->ks_size & j) == 0)
883: continue;
884: name = kmemnames[i] ? kmemnames[i] : "undefined";
885: len += 2 + strlen(name);
886: if (first)
887: printf("%8d %s", j, name);
888: else
889: printf(",");
890: if (len >= 80) {
891: printf("\n\t ");
892: len = 10 + strlen(name);
893: }
894: if (!first)
895: printf(" %s", name);
896: first = 0;
897: }
898: printf("\n");
899: }
900:
901: (void)printf(
1.26 deraadt 902: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 903: (void)printf(
1.26 deraadt 904: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 905: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
906: if (ks->ks_calls == 0)
907: continue;
1.24 mickey 908: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 909: kmemnames[i] ? kmemnames[i] : "undefined",
910: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
911: (ks->ks_maxused + 1023) / 1024,
912: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
913: ks->ks_limblocks, ks->ks_mapblocks);
914: first = 1;
915: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
916: if ((ks->ks_size & j) == 0)
917: continue;
918: if (first)
919: printf(" %d", j);
920: else
921: printf(",%d", j);
922: first = 0;
923: }
924: printf("\n");
925: totuse += ks->ks_memuse;
926: totreq += ks->ks_calls;
927: }
928: (void)printf("\nMemory Totals: In Use Free Requests\n");
929: (void)printf(" %7ldK %6ldK %8ld\n",
930: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
931: }
932:
933: /*
934: * kread reads something from the kernel, given its nlist index.
935: */
936: void
937: kread(nlx, addr, size)
938: int nlx;
939: void *addr;
940: size_t size;
941: {
942: char *sym;
943:
944: if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
945: sym = namelist[nlx].n_name;
946: if (*sym == '_')
947: ++sym;
1.38 mickey 948: errx(1, "symbol %s not defined", sym);
1.1 deraadt 949: }
950: if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
951: sym = namelist[nlx].n_name;
952: if (*sym == '_')
953: ++sym;
1.38 mickey 954: errx(1, "%s: %s", sym, kvm_geterr(kd));
1.1 deraadt 955: }
956: }
957:
958: void
959: usage()
960: {
1.38 mickey 961: (void)fprintf(stderr, "usage: %s [-fimst] [-c count] [-M core] "
962: "[-N system] [-w wait] [disks]\n", __progname);
1.1 deraadt 963: exit(1);
964: }
965:
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