Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.46
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.46 ! angelos 2: /* $OpenBSD: vmstat.c,v 1.45 2001/01/04 07:08:18 angelos 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;
1.43 angelos 347: int mib[2];
348: size_t size;
1.1 deraadt 349:
1.43 angelos 350: if (boottime.tv_sec == 0) {
351: size = sizeof(boottime);
352: mib[0] = CTL_KERN;
353: mib[1] = KERN_BOOTTIME;
354: if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
355: printf("Can't get kerninfo: %s\n", strerror(errno));
356: bzero(&boottime, sizeof(boottime));
357: }
358: }
1.1 deraadt 359: (void)time(&now);
1.11 deraadt 360: uptime = now - boottime.tv_sec;
1.38 mickey 361: if (uptime <= 0 || uptime > 60*60*24*365*10)
362: errx(1, "time makes no sense; namelist must be wrong");
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];
1.45 angelos 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:
1.45 angelos 384: mib[0] = CTL_KERN;
385: mib[1] = KERN_CLOCKRATE;
386: size = sizeof(clkinfo);
387: if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0) {
388: printf("Can't get kerninfo: %s\n", strerror(errno));
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();
1.29 art 398: #ifdef UVM
399: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
400: #else
1.1 deraadt 401: kread(X_SUM, &sum, sizeof(sum));
1.29 art 402: #endif
1.1 deraadt 403: size = sizeof(total);
404: mib[0] = CTL_VM;
405: mib[1] = VM_METER;
406: if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
407: printf("Can't get kerninfo: %s\n", strerror(errno));
408: bzero(&total, sizeof(total));
409: }
1.22 millert 410: (void)printf("%2u%2u%2u",
1.1 deraadt 411: total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
1.29 art 412: #define rate(x) (((x) + halfuptime) / uptime) /* round */
413: #ifdef UVM
414: #define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))
415: #else
1.22 millert 416: #define pgtok(a) ((a) * ((int)sum.v_page_size >> 10))
1.29 art 417: #endif
1.35 hugh 418: (void)printf("%7u%7u ",
1.1 deraadt 419: pgtok(total.t_avm), pgtok(total.t_free));
1.29 art 420: #ifdef UVM
421: (void)printf("%4u ", rate(uvmexp.faults - ouvmexp.faults));
422: (void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
423: (void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
424: (void)printf("%3u %3u ",
425: rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
426: (void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
427: dkstats();
428: (void)printf("%4u %4u %3u ",
429: rate(uvmexp.intrs - ouvmexp.intrs),
430: rate(uvmexp.syscalls - ouvmexp.syscalls),
431: rate(uvmexp.swtch - ouvmexp.swtch));
432: #else
1.21 millert 433: (void)printf("%4u ", rate(sum.v_faults - osum.v_faults));
434: (void)printf("%3u ",
1.1 deraadt 435: rate(sum.v_reactivated - osum.v_reactivated));
1.21 millert 436: (void)printf("%3u ", rate(sum.v_pageins - osum.v_pageins));
437: (void)printf("%3u %3u ",
1.1 deraadt 438: rate(sum.v_pageouts - osum.v_pageouts), 0);
1.21 millert 439: (void)printf("%3u ", rate(sum.v_scan - osum.v_scan));
1.1 deraadt 440: dkstats();
1.21 millert 441: (void)printf("%4u %4u %3u ",
1.1 deraadt 442: rate(sum.v_intr - osum.v_intr),
443: rate(sum.v_syscall - osum.v_syscall),
444: rate(sum.v_swtch - osum.v_swtch));
1.29 art 445: #endif
1.1 deraadt 446: cpustats();
447: (void)printf("\n");
448: (void)fflush(stdout);
449: if (reps >= 0 && --reps <= 0)
450: break;
1.31 art 451: #ifdef UVM
1.29 art 452: ouvmexp = uvmexp;
1.31 art 453: #else
454: osum = sum;
455: #endif
1.1 deraadt 456: uptime = interval;
457: /*
458: * We round upward to avoid losing low-frequency events
459: * (i.e., >= 1 per interval but < 1 per second).
460: */
1.14 deraadt 461: halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
1.1 deraadt 462: (void)sleep(interval);
463: }
464: }
465:
1.21 millert 466: void
1.1 deraadt 467: printhdr()
468: {
469: register int i;
470:
1.35 hugh 471: (void)printf(" procs memory page%*s", 20, "");
1.6 tholo 472: if (ndrives > 0)
473: (void)printf("%s %*sfaults cpu\n",
474: ((ndrives > 1) ? "disks" : "disk"),
475: ((ndrives > 1) ? ndrives * 3 - 4 : 0), "");
1.1 deraadt 476: else
1.6 tholo 477: (void)printf("%*s faults cpu\n",
478: ndrives * 3, "");
479:
1.35 hugh 480: (void)printf(" r b w avm fre flt re pi po fr sr ");
1.1 deraadt 481: for (i = 0; i < dk_ndrive; i++)
1.6 tholo 482: if (dk_select[i])
1.1 deraadt 483: (void)printf("%c%c ", dr_name[i][0],
484: dr_name[i][strlen(dr_name[i]) - 1]);
485: (void)printf(" in sy cs us sy id\n");
486: hdrcnt = winlines - 2;
487: }
488:
489: /*
490: * Force a header to be prepended to the next output.
491: */
492: void
493: needhdr()
494: {
495:
496: hdrcnt = 1;
497: }
498:
499: void
500: dotimes()
501: {
502: u_int pgintime, rectime;
503:
1.12 tholo 504: pgintime = 0;
505: rectime = 0;
1.29 art 506: #ifdef UVM
507: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
508: (void)printf("%u reactivates, %u total time (usec)\n",
509: uvmexp.pdreact, rectime);
510: (void)printf("average: %u usec / reclaim\n", rectime / uvmexp.pdreact);
511: (void)printf("\n");
512: (void)printf("%u page ins, %u total time (msec)\n",
513: uvmexp.pageins, pgintime / 10);
514: (void)printf("average: %8.1f msec / page in\n",
515: pgintime / (uvmexp.pageins * 10.0));
516: #else
1.1 deraadt 517: kread(X_SUM, &sum, sizeof(sum));
1.12 tholo 518: (void)printf("%u reactivates, %u total time (usec)\n",
519: sum.v_reactivated, rectime);
520: (void)printf("average: %u usec / reclaim\n", rectime / sum.v_reactivated);
1.1 deraadt 521: (void)printf("\n");
522: (void)printf("%u page ins, %u total time (msec)\n",
1.12 tholo 523: sum.v_pageins, pgintime / 10);
1.1 deraadt 524: (void)printf("average: %8.1f msec / page in\n",
1.12 tholo 525: pgintime / (sum.v_pageins * 10.0));
1.29 art 526: #endif
1.1 deraadt 527: }
528:
1.21 millert 529: int
1.1 deraadt 530: pct(top, bot)
531: long top, bot;
532: {
533: long ans;
534:
535: if (bot == 0)
536: return(0);
537: ans = (quad_t)top * 100 / bot;
538: return (ans);
539: }
540:
541: #define PCT(top, bot) pct((long)(top), (long)(bot))
542:
543: void
544: dosum()
545: {
546: struct nchstats nchstats;
547: long nchtotal;
1.39 art 548: int nselcoll;
1.1 deraadt 549:
1.29 art 550: #ifdef UVM
551: kread(X_UVMEXP, &uvmexp, sizeof(uvmexp));
1.32 art 552: /* vm_page constants */
1.35 hugh 553: (void)printf("%11u bytes per page\n", uvmexp.pagesize);
1.32 art 554:
555: /* vm_page counters */
1.35 hugh 556: (void)printf("%11u pages managed\n", uvmexp.npages);
557: (void)printf("%11u pages free\n", uvmexp.free);
558: (void)printf("%11u pages active\n", uvmexp.active);
559: (void)printf("%11u pages inactive\n", uvmexp.inactive);
560: (void)printf("%11u pages being paged out\n", uvmexp.paging);
561: (void)printf("%11u pages wired\n", uvmexp.wired);
562: (void)printf("%11u pages reserved for pagedaemon\n",
1.38 mickey 563: uvmexp.reserve_pagedaemon);
1.35 hugh 564: (void)printf("%11u pages reserved for kernel\n",
1.38 mickey 565: uvmexp.reserve_kernel);
1.32 art 566:
567: /* swap */
1.35 hugh 568: (void)printf("%11u swap pages\n", uvmexp.swpages);
569: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
570: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
571: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 572:
573: /* stat counters */
1.35 hugh 574: (void)printf("%11u page faults\n", uvmexp.faults);
575: (void)printf("%11u traps\n", uvmexp.traps);
576: (void)printf("%11u interrupts\n", uvmexp.intrs);
577: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
578: (void)printf("%11u software interrupts\n", uvmexp.softs);
579: (void)printf("%11u syscalls\n", uvmexp.syscalls);
580: (void)printf("%11u pagein operations\n", uvmexp.pageins);
581: (void)printf("%11u swap ins\n", uvmexp.swapins);
582: (void)printf("%11u swap outs\n", uvmexp.swapouts);
583: (void)printf("%11u forks\n", uvmexp.forks);
584: (void)printf("%11u forks where vmspace is shared\n",
1.38 mickey 585: uvmexp.forks_sharevm);
1.32 art 586:
587: /* daemon counters */
1.37 art 588: (void)printf("%11u number of times the pagedeamon woke up\n",
1.38 mickey 589: uvmexp.pdwoke);
1.35 hugh 590: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
591: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
592: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
593: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
594: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 595: #else
1.1 deraadt 596: kread(X_SUM, &sum, sizeof(sum));
1.35 hugh 597: (void)printf("%11u cpu context switches\n", sum.v_swtch);
598: (void)printf("%11u device interrupts\n", sum.v_intr);
599: (void)printf("%11u software interrupts\n", sum.v_soft);
600: (void)printf("%11u traps\n", sum.v_trap);
601: (void)printf("%11u system calls\n", sum.v_syscall);
602: (void)printf("%11u total faults taken\n", sum.v_faults);
603: (void)printf("%11u swap ins\n", sum.v_swpin);
604: (void)printf("%11u swap outs\n", sum.v_swpout);
605: (void)printf("%11u pages swapped in\n", sum.v_pswpin / CLSIZE);
606: (void)printf("%11u pages swapped out\n", sum.v_pswpout / CLSIZE);
607: (void)printf("%11u page ins\n", sum.v_pageins);
608: (void)printf("%11u page outs\n", sum.v_pageouts);
609: (void)printf("%11u pages paged in\n", sum.v_pgpgin);
610: (void)printf("%11u pages paged out\n", sum.v_pgpgout);
611: (void)printf("%11u pages reactivated\n", sum.v_reactivated);
612: (void)printf("%11u intransit blocking page faults\n", sum.v_intrans);
613: (void)printf("%11u zero fill pages created\n", sum.v_nzfod / CLSIZE);
614: (void)printf("%11u zero fill page faults\n", sum.v_zfod / CLSIZE);
615: (void)printf("%11u pages examined by the clock daemon\n", sum.v_scan);
616: (void)printf("%11u revolutions of the clock hand\n", sum.v_rev);
617: (void)printf("%11u VM object cache lookups\n", sum.v_lookups);
618: (void)printf("%11u VM object hits\n", sum.v_hits);
619: (void)printf("%11u total VM faults taken\n", sum.v_vm_faults);
620: (void)printf("%11u copy-on-write faults\n", sum.v_cow_faults);
621: (void)printf("%11u pages freed by daemon\n", sum.v_dfree);
622: (void)printf("%11u pages freed by exiting processes\n", sum.v_pfree);
623: (void)printf("%11u pages free\n", sum.v_free_count);
624: (void)printf("%11u pages wired down\n", sum.v_wire_count);
625: (void)printf("%11u pages active\n", sum.v_active_count);
626: (void)printf("%11u pages inactive\n", sum.v_inactive_count);
627: (void)printf("%11u bytes per page\n", sum.v_page_size);
1.29 art 628: #endif
629:
1.1 deraadt 630: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
631: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
632: nchstats.ncs_badhits + nchstats.ncs_falsehits +
633: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 634: (void)printf("%11ld total name lookups\n", nchtotal);
1.1 deraadt 635: (void)printf(
1.35 hugh 636: "%11s cache hits (%d%% pos + %d%% neg) system %d%% per-directory\n",
1.1 deraadt 637: "", PCT(nchstats.ncs_goodhits, nchtotal),
638: PCT(nchstats.ncs_neghits, nchtotal),
639: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 640: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 641: PCT(nchstats.ncs_badhits, nchtotal),
642: PCT(nchstats.ncs_falsehits, nchtotal),
643: PCT(nchstats.ncs_long, nchtotal));
1.39 art 644: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
645: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 646: }
647:
648: void
649: doforkst()
650: {
651: struct forkstat fks;
652:
653: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
654: (void)printf("%d forks, %d pages, average %.2f\n",
655: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
656: (void)printf("%d vforks, %d pages, average %.2f\n",
1.12 tholo 657: fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
658: (void)printf("%d rforks, %d pages, average %.2f\n",
659: fks.cntrfork, fks.sizrfork, (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 660: (void)printf("%d kthread creations, %d pages, average %.2f\n",
661: fks.cntkthread, fks.sizkthread, (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 662: }
663:
664: void
665: dkstats()
666: {
667: register int dn, state;
668: double etime;
669:
1.6 tholo 670: /* Calculate disk stat deltas. */
671: dkswap();
1.1 deraadt 672: etime = 0;
673: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 674: etime += cur.cp_time[state];
1.1 deraadt 675: }
676: if (etime == 0)
677: etime = 1;
678: etime /= hz;
679: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 680: if (!dk_select[dn])
1.1 deraadt 681: continue;
1.6 tholo 682: (void)printf("%2.0f ", cur.dk_xfer[dn] / etime);
1.1 deraadt 683: }
684: }
685:
686: void
687: cpustats()
688: {
689: register int state;
690: double pct, total;
691:
692: total = 0;
693: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 694: total += cur.cp_time[state];
1.1 deraadt 695: if (total)
696: pct = 100 / total;
697: else
698: pct = 0;
1.6 tholo 699: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
700: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
701: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 702: }
703:
1.28 espie 704: #if defined(__pc532__)
1.1 deraadt 705: /* To get struct iv ...*/
706: #define _KERNEL
707: #include <machine/psl.h>
708: #undef _KERNEL
709: void
710: dointr()
711: {
1.19 deraadt 712: register long i, j, inttotal;
713: time_t uptime;
1.1 deraadt 714: static char iname[64];
715: struct iv ivt[32], *ivp = ivt;
716:
717: iname[63] = '\0';
718: uptime = getuptime();
719: kread(X_IVT, ivp, sizeof(ivt));
720:
721: for (i = 0; i < 2; i++) {
722: (void)printf("%sware interrupts:\n", i ? "\nsoft" : "hard");
1.27 alex 723: (void)printf("interrupt total rate\n");
1.1 deraadt 724: inttotal = 0;
725: for (j = 0; j < 16; j++, ivp++) {
726: if (ivp->iv_vec && ivp->iv_use && ivp->iv_cnt) {
727: if (kvm_read(kd, (u_long)ivp->iv_use, iname, 63) != 63) {
1.38 mickey 728: errx(1, "iv_use: %s", kvm_geterr(kd));
1.1 deraadt 729: kvm_geterr(kd));
730: exit(1);
731: }
1.27 alex 732: (void)printf("%-12s %10ld %8ld\n", iname,
1.1 deraadt 733: ivp->iv_cnt, ivp->iv_cnt / uptime);
734: inttotal += ivp->iv_cnt;
735: }
736: }
1.27 alex 737: (void)printf("Total %10ld %8ld\n",
1.1 deraadt 738: inttotal, inttotal / uptime);
739: }
1.12 tholo 740: }
1.28 espie 741: #elif defined(__i386__)
1.12 tholo 742: /* To get struct intrhand */
1.13 tholo 743: #define _KERNEL
1.12 tholo 744: #include <machine/psl.h>
1.13 tholo 745: #undef _KERNEL
1.12 tholo 746: void
747: dointr()
748: {
749: struct intrhand *intrhand[16], *ihp, ih;
1.38 mickey 750: u_long inttotal;
1.19 deraadt 751: time_t uptime;
1.38 mickey 752: u_long intrstray[16];
1.34 deraadt 753: char iname[17], fname[31];
1.12 tholo 754: int i;
755:
756: iname[16] = '\0';
757: uptime = getuptime();
758: kread(X_INTRHAND, intrhand, sizeof(intrhand));
759: kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
760:
1.27 alex 761: (void)printf("interrupt total rate\n");
1.12 tholo 762: inttotal = 0;
763: for (i = 0; i < 16; i++) {
764: ihp = intrhand[i];
765: while (ihp) {
766: if (kvm_read(kd, (u_long)ihp, &ih, sizeof(ih)) != sizeof(ih))
767: errx(1, "vmstat: ih: %s", kvm_geterr(kd));
768: if (kvm_read(kd, (u_long)ih.ih_what, iname, 16) != 16)
769: errx(1, "vmstat: ih_what: %s", kvm_geterr(kd));
1.34 deraadt 770: snprintf(fname, sizeof fname, "irq%d/%s", i, iname);
1.38 mickey 771: printf("%-16.16s %10lu %8lu\n", fname, ih.ih_count,
1.34 deraadt 772: ih.ih_count / uptime);
1.12 tholo 773: inttotal += ih.ih_count;
774: ihp = ih.ih_next;
775: }
776: }
777: for (i = 0; i < 16; i++)
778: if (intrstray[i]) {
1.38 mickey 779: printf("Stray irq %-2d %10lu %8lu\n",
1.12 tholo 780: i, intrstray[i], intrstray[i] / uptime);
781: inttotal += intrstray[i];
782: }
1.38 mickey 783: printf("Total %10lu %8lu\n", inttotal, inttotal / uptime);
1.1 deraadt 784: }
785: #else
786: void
787: dointr()
788: {
1.19 deraadt 789: register long *intrcnt, inttotal;
790: time_t uptime;
1.1 deraadt 791: register int nintr, inamlen;
792: register char *intrname;
1.9 deraadt 793: struct evcntlist allevents;
794: struct evcnt evcnt, *evptr;
1.1 deraadt 795: struct device dev;
796:
797: uptime = getuptime();
798: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
799: inamlen =
800: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
801: intrcnt = malloc((size_t)nintr);
802: intrname = malloc((size_t)inamlen);
1.38 mickey 803: if (intrcnt == NULL || intrname == NULL)
804: err(1, "malloc");
1.1 deraadt 805: kread(X_INTRCNT, intrcnt, (size_t)nintr);
806: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 807: (void)printf("interrupt total rate\n");
1.1 deraadt 808: inttotal = 0;
809: nintr /= sizeof(long);
810: while (--nintr >= 0) {
811: if (*intrcnt)
1.27 alex 812: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 813: *intrcnt, *intrcnt / uptime);
814: intrname += strlen(intrname) + 1;
815: inttotal += *intrcnt++;
816: }
817: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 818: evptr = allevents.tqh_first;
819: while (evptr) {
820: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.38 mickey 821: sizeof evcnt) != sizeof evcnt)
822: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 823: if (strcmp(evcnt.ev_name, "intr") == 0) {
824: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.38 mickey 825: sizeof dev) != sizeof dev)
826: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 827: if (evcnt.ev_count)
1.33 art 828: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
829: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 830: inttotal += evcnt.ev_count++;
831: }
1.9 deraadt 832: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 833: }
1.27 alex 834: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 835: }
836: #endif
837:
838: /*
839: * These names are defined in <sys/malloc.h>.
840: */
841: char *kmemnames[] = INITKMEMNAMES;
842:
843: void
844: domem()
845: {
846: register struct kmembuckets *kp;
847: register struct kmemstats *ks;
848: register int i, j;
849: int len, size, first;
1.41 mickey 850: u_long totuse = 0, totfree = 0;
851: quad_t totreq = 0;
1.1 deraadt 852: char *name;
853: struct kmemstats kmemstats[M_LAST];
854: struct kmembuckets buckets[MINBUCKET + 16];
1.46 ! angelos 855: int mib[4];
1.44 angelos 856: size_t siz;
857: char buf[BUFSIZ], *bufp, *ap;
858:
859: mib[0] = CTL_KERN;
860: mib[1] = KERN_MALLOCSTATS;
861: mib[2] = KERN_MALLOC_BUCKETS;
862: siz = sizeof(buf);
863: if (sysctl(mib, 3, buf, &siz, NULL, 0) < 0) {
864: printf(
865: "Could not acquire information on kernel memory bucket sizes.\n");
866: return;
867: }
868:
869: bufp = buf;
870: mib[2] = KERN_MALLOC_BUCKET;
1.46 ! angelos 871: siz = sizeof(struct kmembuckets);
1.44 angelos 872: i = 0;
873: while ((ap = strsep(&bufp, ",")) != NULL) {
874: mib[3] = atoi(ap);
875:
1.46 ! angelos 876: if (sysctl(mib, 4, &buckets[MINBUCKET + i], &siz,
1.44 angelos 877: NULL, 0) < 0) {
878: printf("Failed to read statistics for bucket %d.\n",
879: mib[3]);
880: return;
881: }
882: i++;
883: }
1.1 deraadt 884:
1.18 kstailey 885: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
886: i++, kp++) {
1.1 deraadt 887: if (kp->kb_calls == 0)
888: continue;
1.18 kstailey 889: if (first) {
890: (void)printf("Memory statistics by bucket size\n");
891: (void)printf(
1.42 angelos 892: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 893: first = 0;
894: }
1.1 deraadt 895: size = 1 << i;
1.42 angelos 896: (void)printf("%8d %8qu %6qu %18qu %7qu %10qu\n", size,
1.1 deraadt 897: kp->kb_total - kp->kb_totalfree,
898: kp->kb_totalfree, kp->kb_calls,
899: kp->kb_highwat, kp->kb_couldfree);
900: totfree += size * kp->kb_totalfree;
1.18 kstailey 901: }
902:
903: /*
904: * If kmem statistics are not being gathered by the kernel,
905: * first will still be 1.
906: */
907: if (first) {
908: printf(
909: "Kmem statistics are not being gathered by the kernel.\n");
910: return;
1.1 deraadt 911: }
912:
913: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
914: (void)printf("\nMemory usage type by bucket size\n");
915: (void)printf(" Size Type(s)\n");
916: kp = &buckets[MINBUCKET];
917: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
918: if (kp->kb_calls == 0)
919: continue;
920: first = 1;
921: len = 8;
922: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
923: if (ks->ks_calls == 0)
924: continue;
925: if ((ks->ks_size & j) == 0)
926: continue;
927: name = kmemnames[i] ? kmemnames[i] : "undefined";
928: len += 2 + strlen(name);
929: if (first)
930: printf("%8d %s", j, name);
931: else
932: printf(",");
933: if (len >= 80) {
934: printf("\n\t ");
935: len = 10 + strlen(name);
936: }
937: if (!first)
938: printf(" %s", name);
939: first = 0;
940: }
941: printf("\n");
942: }
943:
944: (void)printf(
1.26 deraadt 945: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 946: (void)printf(
1.26 deraadt 947: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 948: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
949: if (ks->ks_calls == 0)
950: continue;
1.24 mickey 951: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 952: kmemnames[i] ? kmemnames[i] : "undefined",
953: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
954: (ks->ks_maxused + 1023) / 1024,
955: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
956: ks->ks_limblocks, ks->ks_mapblocks);
957: first = 1;
958: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
959: if ((ks->ks_size & j) == 0)
960: continue;
961: if (first)
962: printf(" %d", j);
963: else
964: printf(",%d", j);
965: first = 0;
966: }
967: printf("\n");
968: totuse += ks->ks_memuse;
969: totreq += ks->ks_calls;
970: }
971: (void)printf("\nMemory Totals: In Use Free Requests\n");
1.41 mickey 972: (void)printf(" %7luK %6luK %8qu\n",
1.1 deraadt 973: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
974: }
975:
976: /*
977: * kread reads something from the kernel, given its nlist index.
978: */
979: void
980: kread(nlx, addr, size)
981: int nlx;
982: void *addr;
983: size_t size;
984: {
985: char *sym;
986:
987: if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
988: sym = namelist[nlx].n_name;
989: if (*sym == '_')
990: ++sym;
1.38 mickey 991: errx(1, "symbol %s not defined", sym);
1.1 deraadt 992: }
993: if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
994: sym = namelist[nlx].n_name;
995: if (*sym == '_')
996: ++sym;
1.38 mickey 997: errx(1, "%s: %s", sym, kvm_geterr(kd));
1.1 deraadt 998: }
999: }
1000:
1001: void
1002: usage()
1003: {
1.38 mickey 1004: (void)fprintf(stderr, "usage: %s [-fimst] [-c count] [-M core] "
1005: "[-N system] [-w wait] [disks]\n", __progname);
1.1 deraadt 1006: exit(1);
1007: }
1008:
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