Annotation of src/usr.bin/vmstat/vmstat.c, Revision 1.87
1.11 deraadt 1: /* $NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $ */
1.87 ! aaron 2: /* $OpenBSD: vmstat.c,v 1.86 2004/06/14 00:39:33 deraadt Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1980, 1986, 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.77 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: static char copyright[] =
35: "@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
36: The Regents of the University of California. All rights reserved.\n";
37: #endif /* not lint */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93";
42: #else
1.87 ! aaron 43: static const char rcsid[] = "$OpenBSD: vmstat.c,v 1.86 2004/06/14 00:39:33 deraadt Exp $";
1.1 deraadt 44: #endif
45: #endif /* not lint */
1.48 art 46:
1.1 deraadt 47: #include <sys/param.h>
48: #include <sys/time.h>
49: #include <sys/proc.h>
50: #include <sys/user.h>
51: #include <sys/dkstat.h>
52: #include <sys/buf.h>
53: #include <sys/namei.h>
54: #include <sys/malloc.h>
55: #include <sys/fcntl.h>
56: #include <sys/ioctl.h>
57: #include <sys/sysctl.h>
58: #include <sys/device.h>
1.48 art 59: #include <sys/pool.h>
1.1 deraadt 60: #include <time.h>
61: #include <nlist.h>
62: #include <kvm.h>
1.21 millert 63: #include <err.h>
1.1 deraadt 64: #include <errno.h>
65: #include <unistd.h>
66: #include <signal.h>
67: #include <stdio.h>
68: #include <ctype.h>
69: #include <stdlib.h>
70: #include <string.h>
71: #include <paths.h>
72: #include <limits.h>
1.6 tholo 73: #include "dkstats.h"
1.1 deraadt 74:
1.56 angelos 75: #include <uvm/uvm_object.h>
1.29 art 76: #include <uvm/uvm_extern.h>
77:
1.1 deraadt 78: struct nlist namelist[] = {
1.70 deraadt 79: #define X_UVMEXP 0 /* sysctl */
1.29 art 80: { "_uvmexp" },
1.70 deraadt 81: #define X_BOOTTIME 1 /* sysctl */
1.1 deraadt 82: { "_boottime" },
1.70 deraadt 83: #define X_NCHSTATS 2 /* sysctl */
1.1 deraadt 84: { "_nchstats" },
1.70 deraadt 85: #define X_KMEMSTAT 3 /* sysctl */
86: { "_kmemstats" },
87: #define X_KMEMBUCKETS 4 /* sysctl */
88: { "_bucket" },
89: #define X_FORKSTAT 5 /* sysctl */
90: { "_forkstat" },
91: #define X_NSELCOLL 6 /* sysctl */
92: { "_nselcoll" },
93: #define X_POOLHEAD 7 /* sysctl */
94: { "_pool_head" },
95: #define X_ALLEVENTS 8 /* no sysctl */
96: { "_allevents" },
97: #define X_INTRNAMES 9 /* no sysctl */
1.1 deraadt 98: { "_intrnames" },
1.70 deraadt 99: #define X_EINTRNAMES 10 /* no sysctl */
1.1 deraadt 100: { "_eintrnames" },
1.70 deraadt 101: #define X_INTRCNT 11 /* no sysctl */
1.1 deraadt 102: { "_intrcnt" },
1.70 deraadt 103: #define X_EINTRCNT 12 /* no sysctl */
1.1 deraadt 104: { "_eintrcnt" },
1.70 deraadt 105: #define X_END 13 /* no sysctl */
1.1 deraadt 106: { "" },
107: };
108:
1.6 tholo 109: /* Objects defined in dkstats.c */
1.73 tdeval 110: extern struct _disk cur, last;
1.10 deraadt 111: extern char **dr_name;
112: extern int *dk_select, dk_ndrive;
1.1 deraadt 113:
1.29 art 114: struct uvmexp uvmexp, ouvmexp;
1.6 tholo 115: int ndrives;
1.1 deraadt 116:
117: int winlines = 20;
118:
119: kvm_t *kd;
120:
121: #define FORKSTAT 0x01
122: #define INTRSTAT 0x02
123: #define MEMSTAT 0x04
124: #define SUMSTAT 0x08
125: #define TIMESTAT 0x10
126: #define VMSTAT 0x20
127:
1.66 millert 128: void cpustats(void);
129: void dkstats(void);
130: void dointr(void);
131: void domem(void);
132: void dopool(void);
133: void dosum(void);
134: void dovmstat(u_int, int);
135: void kread(int, void *, size_t);
136: void usage(void);
137: void dotimes(void);
138: void doforkst(void);
139: void printhdr(void);
1.1 deraadt 140:
1.66 millert 141: char **choosedrives(char **);
1.10 deraadt 142:
143: /* Namelist and memory file names. */
144: char *nlistf, *memf;
1.6 tholo 145:
1.50 art 146: extern char *__progname;
147:
1.65 art 148: int verbose = 0;
1.87 ! aaron 149: int zflag = 0;
1.65 art 150:
1.84 deraadt 151: int ncpu;
152:
1.21 millert 153: int
1.72 deraadt 154: main(int argc, char *argv[])
1.1 deraadt 155: {
156: extern int optind;
157: extern char *optarg;
1.84 deraadt 158: int mib[2];
159: size_t size;
1.62 mpech 160: int c, todo;
1.1 deraadt 161: u_int interval;
162: int reps;
1.25 deraadt 163: char errbuf[_POSIX2_LINE_MAX];
1.1 deraadt 164:
165: interval = reps = todo = 0;
1.87 ! aaron 166: while ((c = getopt(argc, argv, "c:fiM:mN:stw:vz")) != -1) {
1.1 deraadt 167: switch (c) {
168: case 'c':
169: reps = atoi(optarg);
170: break;
171: case 'f':
172: todo |= FORKSTAT;
173: break;
174: case 'i':
175: todo |= INTRSTAT;
176: break;
177: case 'M':
178: memf = optarg;
179: break;
180: case 'm':
181: todo |= MEMSTAT;
182: break;
183: case 'N':
184: nlistf = optarg;
185: break;
186: case 's':
187: todo |= SUMSTAT;
188: break;
189: case 't':
190: todo |= TIMESTAT;
191: break;
192: case 'w':
193: interval = atoi(optarg);
194: break;
1.65 art 195: case 'v':
196: verbose = 1;
197: break;
1.87 ! aaron 198: case 'z':
! 199: zflag = 1;
! 200: break;
1.1 deraadt 201: case '?':
202: default:
203: usage();
204: }
205: }
206: argc -= optind;
207: argv += optind;
208:
209: if (todo == 0)
210: todo = VMSTAT;
211:
1.56 angelos 212: if (nlistf != NULL || memf != NULL) {
213: setegid(getgid());
214: setgid(getgid());
215: }
216:
1.1 deraadt 217: /*
218: * Discard setgid privileges if not the running kernel so that bad
219: * guys can't print interesting stuff from kernel memory.
220: */
1.56 angelos 221: #if notyet
1.15 tholo 222: if (nlistf != NULL || memf != NULL) {
1.56 angelos 223: #endif
224: kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
225: if (kd == 0)
226: errx(1, "kvm_openfiles: %s", errbuf);
227:
228: if ((c = kvm_nlist(kd, namelist)) != 0) {
229: setgid(getgid());
230: setegid(getegid());
231:
232: if (c > 0) {
233: (void)fprintf(stderr,
234: "%s: undefined symbols:", __progname);
235: for (c = 0;
236: c < sizeof(namelist)/sizeof(namelist[0]);
237: c++)
238: if (namelist[c].n_type == 0)
239: fprintf(stderr, " %s",
240: namelist[c].n_name);
241: (void)fputc('\n', stderr);
242: exit(1);
243: } else
244: errx(1, "kvm_nlist: %s", kvm_geterr(kd));
245: }
246: #ifdef notyet
1.15 tholo 247: }
1.59 heko 248: #endif /* notyet */
1.1 deraadt 249:
1.56 angelos 250: setegid(getegid());
251: setgid(getgid());
1.1 deraadt 252:
1.84 deraadt 253: mib[0] = CTL_HW;
254: mib[1] = HW_NCPU;
255: size = sizeof(ncpu);
256: (void) sysctl(mib, 2, &ncpu, &size, NULL, 0);
257:
1.1 deraadt 258: if (todo & VMSTAT) {
259: struct winsize winsize;
260:
1.6 tholo 261: dkinit(0); /* Initialize disk stats, no disks selected. */
262: argv = choosedrives(argv); /* Select disks. */
1.1 deraadt 263: winsize.ws_row = 0;
264: (void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
265: if (winsize.ws_row > 0)
266: winlines = winsize.ws_row;
267:
268: }
1.25 deraadt 269:
1.1 deraadt 270: #define BACKWARD_COMPATIBILITY
271: #ifdef BACKWARD_COMPATIBILITY
272: if (*argv) {
273: interval = atoi(*argv);
274: if (*++argv)
275: reps = atoi(*argv);
276: }
277: #endif
278:
279: if (interval) {
280: if (!reps)
281: reps = -1;
282: } else if (reps)
283: interval = 1;
284:
285: if (todo & FORKSTAT)
286: doforkst();
1.48 art 287: if (todo & MEMSTAT) {
1.1 deraadt 288: domem();
1.48 art 289: dopool();
290: }
1.1 deraadt 291: if (todo & SUMSTAT)
292: dosum();
293: if (todo & TIMESTAT)
294: dotimes();
295: if (todo & INTRSTAT)
296: dointr();
297: if (todo & VMSTAT)
298: dovmstat(interval, reps);
299: exit(0);
300: }
301:
302: char **
1.72 deraadt 303: choosedrives(char **argv)
1.1 deraadt 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
1.72 deraadt 337: getuptime(void)
1.1 deraadt 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
1.72 deraadt 369: dovmstat(u_int interval, int reps)
1.1 deraadt 370: {
371: struct vmtotal total;
372: time_t uptime, halfuptime;
1.78 deraadt 373: void needhdr(int);
1.1 deraadt 374: int mib[2];
1.50 art 375: struct clockinfo clkinfo;
1.1 deraadt 376: size_t size;
377:
378: uptime = getuptime();
379: halfuptime = uptime / 2;
380: (void)signal(SIGCONT, needhdr);
381:
1.50 art 382: mib[0] = CTL_KERN;
383: mib[1] = KERN_CLOCKRATE;
384: size = sizeof(clkinfo);
385: if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0) {
1.56 angelos 386: warn("could not read kern.clockrate");
1.50 art 387: return;
388: }
389: hz = clkinfo.stathz;
1.1 deraadt 390:
391: for (hdrcnt = 1;;) {
1.6 tholo 392: /* Read new disk statistics */
393: dkreadstats();
1.73 tdeval 394: if (!--hdrcnt || last.dk_ndrive != cur.dk_ndrive)
395: printhdr();
1.56 angelos 396: if (nlistf == NULL && memf == NULL) {
397: size = sizeof(struct uvmexp);
1.52 angelos 398: mib[0] = CTL_VM;
399: mib[1] = VM_UVMEXP;
400: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 401: warn("could not get vm.uvmexp");
402: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 403: }
1.56 angelos 404: } else {
405: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 406: }
1.1 deraadt 407: size = sizeof(total);
408: mib[0] = CTL_VM;
409: mib[1] = VM_METER;
410: if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
1.56 angelos 411: warn("could not read vm.vmmeter");
1.1 deraadt 412: bzero(&total, sizeof(total));
413: }
1.22 millert 414: (void)printf("%2u%2u%2u",
1.1 deraadt 415: total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
1.29 art 416: #define rate(x) (((x) + halfuptime) / uptime) /* round */
417: #define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))
1.35 hugh 418: (void)printf("%7u%7u ",
1.1 deraadt 419: pgtok(total.t_avm), pgtok(total.t_free));
1.64 deraadt 420: (void)printf("%5u ", rate(uvmexp.faults - ouvmexp.faults));
1.29 art 421: (void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
422: (void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
423: (void)printf("%3u %3u ",
424: rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
425: (void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
426: dkstats();
1.64 deraadt 427: (void)printf("%4u %5u %4u ",
1.29 art 428: rate(uvmexp.intrs - ouvmexp.intrs),
429: rate(uvmexp.syscalls - ouvmexp.syscalls),
430: rate(uvmexp.swtch - ouvmexp.swtch));
1.1 deraadt 431: cpustats();
432: (void)printf("\n");
433: (void)fflush(stdout);
434: if (reps >= 0 && --reps <= 0)
435: break;
1.29 art 436: ouvmexp = uvmexp;
1.1 deraadt 437: uptime = interval;
438: /*
439: * We round upward to avoid losing low-frequency events
440: * (i.e., >= 1 per interval but < 1 per second).
441: */
1.14 deraadt 442: halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
1.1 deraadt 443: (void)sleep(interval);
444: }
445: }
446:
1.21 millert 447: void
1.72 deraadt 448: printhdr(void)
1.1 deraadt 449: {
1.62 mpech 450: int i;
1.1 deraadt 451:
1.67 ho 452: (void)printf(" procs memory page%*s", 20, "");
1.6 tholo 453: if (ndrives > 0)
1.79 tedu 454: (void)printf("%s %*straps cpu\n",
1.6 tholo 455: ((ndrives > 1) ? "disks" : "disk"),
1.64 deraadt 456: ((ndrives > 1) ? ndrives * 4 - 4 : 0), "");
1.1 deraadt 457: else
1.79 tedu 458: (void)printf("%*s traps cpu\n",
1.6 tholo 459: ndrives * 3, "");
460:
1.64 deraadt 461: (void)printf(" r b w avm fre flt re pi po fr sr ");
1.1 deraadt 462: for (i = 0; i < dk_ndrive; i++)
1.6 tholo 463: if (dk_select[i])
1.67 ho 464: (void)printf("%c%c%c ", dr_name[i][0],
1.64 deraadt 465: dr_name[i][1],
1.1 deraadt 466: dr_name[i][strlen(dr_name[i]) - 1]);
1.79 tedu 467: (void)printf(" int sys cs us sy id\n");
1.1 deraadt 468: hdrcnt = winlines - 2;
469: }
470:
471: /*
472: * Force a header to be prepended to the next output.
473: */
474: void
1.78 deraadt 475: needhdr(int signo)
1.1 deraadt 476: {
477:
478: hdrcnt = 1;
479: }
480:
481: void
1.72 deraadt 482: dotimes(void)
1.1 deraadt 483: {
484: u_int pgintime, rectime;
1.52 angelos 485: int mib[2];
486: size_t size;
1.1 deraadt 487:
1.56 angelos 488: /* XXX Why are these set to 0 ? This doesn't look right. */
1.12 tholo 489: pgintime = 0;
490: rectime = 0;
1.56 angelos 491:
492: if (nlistf == NULL && memf == NULL) {
493: size = sizeof(struct uvmexp);
1.52 angelos 494: mib[0] = CTL_VM;
495: mib[1] = VM_UVMEXP;
496: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 497: warn("could not read vm.uvmexp");
498: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 499: }
1.56 angelos 500: } else {
501: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 502: }
503:
1.29 art 504: (void)printf("%u reactivates, %u total time (usec)\n",
505: uvmexp.pdreact, rectime);
506: (void)printf("average: %u usec / reclaim\n", rectime / uvmexp.pdreact);
507: (void)printf("\n");
508: (void)printf("%u page ins, %u total time (msec)\n",
509: uvmexp.pageins, pgintime / 10);
510: (void)printf("average: %8.1f msec / page in\n",
511: pgintime / (uvmexp.pageins * 10.0));
1.1 deraadt 512: }
513:
1.21 millert 514: int
1.72 deraadt 515: pct(long top, long bot)
1.1 deraadt 516: {
517: long ans;
518:
519: if (bot == 0)
520: return(0);
521: ans = (quad_t)top * 100 / bot;
522: return (ans);
523: }
524:
525: #define PCT(top, bot) pct((long)(top), (long)(bot))
526:
527: void
1.72 deraadt 528: dosum(void)
1.1 deraadt 529: {
530: struct nchstats nchstats;
531: long nchtotal;
1.52 angelos 532: size_t size;
533: int mib[2], nselcoll;
1.1 deraadt 534:
1.56 angelos 535: if (nlistf == NULL && memf == NULL) {
536: size = sizeof(struct uvmexp);
1.52 angelos 537: mib[0] = CTL_VM;
538: mib[1] = VM_UVMEXP;
539: if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
1.56 angelos 540: warn("could not read vm.uvmexp");
541: bzero(&uvmexp, sizeof(struct uvmexp));
1.52 angelos 542: }
1.56 angelos 543: } else {
544: kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
1.52 angelos 545: }
546:
1.32 art 547: /* vm_page constants */
1.35 hugh 548: (void)printf("%11u bytes per page\n", uvmexp.pagesize);
1.32 art 549:
550: /* vm_page counters */
1.35 hugh 551: (void)printf("%11u pages managed\n", uvmexp.npages);
552: (void)printf("%11u pages free\n", uvmexp.free);
553: (void)printf("%11u pages active\n", uvmexp.active);
554: (void)printf("%11u pages inactive\n", uvmexp.inactive);
555: (void)printf("%11u pages being paged out\n", uvmexp.paging);
556: (void)printf("%11u pages wired\n", uvmexp.wired);
1.71 art 557: (void)printf("%11u pages zeroed\n", uvmexp.zeropages);
1.35 hugh 558: (void)printf("%11u pages reserved for pagedaemon\n",
1.48 art 559: uvmexp.reserve_pagedaemon);
1.35 hugh 560: (void)printf("%11u pages reserved for kernel\n",
1.48 art 561: uvmexp.reserve_kernel);
1.32 art 562:
563: /* swap */
1.35 hugh 564: (void)printf("%11u swap pages\n", uvmexp.swpages);
565: (void)printf("%11u swap pages in use\n", uvmexp.swpginuse);
566: (void)printf("%11u total anon's in system\n", uvmexp.nanon);
567: (void)printf("%11u free anon's\n", uvmexp.nfreeanon);
1.32 art 568:
569: /* stat counters */
1.35 hugh 570: (void)printf("%11u page faults\n", uvmexp.faults);
571: (void)printf("%11u traps\n", uvmexp.traps);
572: (void)printf("%11u interrupts\n", uvmexp.intrs);
573: (void)printf("%11u cpu context switches\n", uvmexp.swtch);
574: (void)printf("%11u software interrupts\n", uvmexp.softs);
575: (void)printf("%11u syscalls\n", uvmexp.syscalls);
576: (void)printf("%11u pagein operations\n", uvmexp.pageins);
577: (void)printf("%11u swap ins\n", uvmexp.swapins);
578: (void)printf("%11u swap outs\n", uvmexp.swapouts);
579: (void)printf("%11u forks\n", uvmexp.forks);
580: (void)printf("%11u forks where vmspace is shared\n",
1.48 art 581: uvmexp.forks_sharevm);
1.32 art 582:
583: /* daemon counters */
1.64 deraadt 584: (void)printf("%11u number of times the pagedaemon woke up\n",
1.48 art 585: uvmexp.pdwoke);
1.35 hugh 586: (void)printf("%11u revolutions of the clock hand\n", uvmexp.pdrevs);
587: (void)printf("%11u pages freed by pagedaemon\n", uvmexp.pdfreed);
588: (void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);
589: (void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);
590: (void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);
1.29 art 591:
1.56 angelos 592: if (nlistf == NULL && memf == NULL) {
1.52 angelos 593: size = sizeof(nchstats);
594: mib[0] = CTL_KERN;
595: mib[1] = KERN_NCHSTATS;
596: if (sysctl(mib, 2, &nchstats, &size, NULL, 0) < 0) {
1.56 angelos 597: warn("could not read kern.nchstats");
1.52 angelos 598: bzero(&nchstats, sizeof(nchstats));
599: }
1.56 angelos 600: } else {
601: kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
1.52 angelos 602: }
603:
1.1 deraadt 604: nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
605: nchstats.ncs_badhits + nchstats.ncs_falsehits +
606: nchstats.ncs_miss + nchstats.ncs_long;
1.35 hugh 607: (void)printf("%11ld total name lookups\n", nchtotal);
1.52 angelos 608: (void)printf("%11s cache hits (%d%% pos + %d%% neg) system %d%% "
609: "per-directory\n",
1.1 deraadt 610: "", PCT(nchstats.ncs_goodhits, nchtotal),
611: PCT(nchstats.ncs_neghits, nchtotal),
612: PCT(nchstats.ncs_pass2, nchtotal));
1.35 hugh 613: (void)printf("%11s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
1.1 deraadt 614: PCT(nchstats.ncs_badhits, nchtotal),
615: PCT(nchstats.ncs_falsehits, nchtotal),
616: PCT(nchstats.ncs_long, nchtotal));
1.52 angelos 617:
1.56 angelos 618: if (nlistf == NULL && memf == NULL) {
1.52 angelos 619: size = sizeof(nselcoll);
620: mib[0] = CTL_KERN;
621: mib[1] = KERN_NSELCOLL;
622: if (sysctl(mib, 2, &nselcoll, &size, NULL, 0) < 0) {
1.56 angelos 623: warn("could not read kern.nselcoll");
1.52 angelos 624: nselcoll = 0;
625: }
1.56 angelos 626: } else {
627: kread(X_NSELCOLL, &nselcoll, sizeof(nselcoll));
1.52 angelos 628: }
1.50 art 629: (void)printf("%11d select collisions\n", nselcoll);
1.1 deraadt 630: }
631:
632: void
1.72 deraadt 633: doforkst(void)
1.1 deraadt 634: {
635: struct forkstat fks;
1.52 angelos 636: size_t size;
637: int mib[2];
638:
1.56 angelos 639: if (nlistf == NULL && memf == NULL) {
1.52 angelos 640: size = sizeof(struct forkstat);
641: mib[0] = CTL_KERN;
642: mib[1] = KERN_FORKSTAT;
643: if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) {
1.56 angelos 644: warn("could not read kern.forkstat");
1.52 angelos 645: bzero(&fks, sizeof(struct forkstat));
646: }
1.56 angelos 647: } else {
648: kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
1.52 angelos 649: }
1.1 deraadt 650:
651: (void)printf("%d forks, %d pages, average %.2f\n",
652: fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
653: (void)printf("%d vforks, %d pages, average %.2f\n",
1.72 deraadt 654: fks.cntvfork, fks.sizvfork,
655: (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
1.12 tholo 656: (void)printf("%d rforks, %d pages, average %.2f\n",
1.72 deraadt 657: fks.cntrfork, fks.sizrfork,
658: (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
1.36 niklas 659: (void)printf("%d kthread creations, %d pages, average %.2f\n",
1.72 deraadt 660: fks.cntkthread, fks.sizkthread,
661: (double)fks.sizkthread / (fks.cntkthread ? fks.cntkthread : 1));
1.1 deraadt 662: }
663:
664: void
1.72 deraadt 665: dkstats(void)
1.1 deraadt 666: {
1.62 mpech 667: int dn, state;
1.1 deraadt 668: double etime;
669:
1.6 tholo 670: /* Calculate disk stat deltas. */
671: dkswap();
1.1 deraadt 672: etime = 0;
673: for (state = 0; state < CPUSTATES; ++state) {
1.6 tholo 674: etime += cur.cp_time[state];
1.1 deraadt 675: }
676: if (etime == 0)
677: etime = 1;
678: etime /= hz;
1.84 deraadt 679: etime /= ncpu;
1.1 deraadt 680: for (dn = 0; dn < dk_ndrive; ++dn) {
1.6 tholo 681: if (!dk_select[dn])
1.1 deraadt 682: continue;
1.82 tedu 683: (void)printf("%3.0f ",
684: (cur.dk_rxfer[dn] + cur.dk_rxfer[dn]) / etime);
1.1 deraadt 685: }
686: }
687:
688: void
1.72 deraadt 689: cpustats(void)
1.1 deraadt 690: {
1.62 mpech 691: int state;
1.1 deraadt 692: double pct, total;
693:
694: total = 0;
695: for (state = 0; state < CPUSTATES; ++state)
1.6 tholo 696: total += cur.cp_time[state];
1.1 deraadt 697: if (total)
698: pct = 100 / total;
699: else
700: pct = 0;
1.6 tholo 701: (void)printf("%2.0f ", (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * pct);
702: (void)printf("%2.0f ", (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * pct);
703: (void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
1.1 deraadt 704: }
705:
1.74 art 706: static void dointr_sysctl(void);
707: static void dointr_kvm(void);
708:
1.1 deraadt 709: void
1.72 deraadt 710: dointr(void)
1.74 art 711: {
712: if (nlistf == NULL && memf == NULL)
713: dointr_sysctl();
714: else
715: dointr_kvm();
716: }
717:
718: static void
719: dointr_sysctl(void)
720: {
721: struct evcntlist allevents;
722: struct evcnt evcnt, *evptr;
723: struct device dev;
724:
725: time_t uptime;
726: long inttotal;
727: int nintr;
728: char intrname[128];
729: int mib[4];
730: size_t siz;
731: int i;
732:
733: uptime = getuptime();
734:
735: mib[0] = CTL_KERN;
736: mib[1] = KERN_INTRCNT;
737: mib[2] = KERN_INTRCNT_NUM;
738: siz = sizeof(nintr);
739: if (sysctl(mib, 3, &nintr, &siz, NULL, 0) < 0) {
740: warnx("could not read kern.intrcnt.nintrcnt");
741: return;
742: }
743:
1.87 ! aaron 744: (void)printf("interrupt total rate\n");
! 745:
1.74 art 746: inttotal = 0;
747: for (i = 0; i < nintr; i++) {
1.87 ! aaron 748: char name[128];
1.74 art 749: int cnt;
1.87 ! aaron 750: int vector;
1.74 art 751:
752: mib[0] = CTL_KERN;
753: mib[1] = KERN_INTRCNT;
754: mib[2] = KERN_INTRCNT_NAME;
755: mib[3] = i;
1.87 ! aaron 756: siz = sizeof(name);
! 757: if (sysctl(mib, 4, name, &siz, NULL, 0) < 0) {
1.74 art 758: warnx("could not read kern.intrcnt.name.%d", i);
1.87 ! aaron 759: return;
! 760: }
! 761:
! 762: mib[0] = CTL_KERN;
! 763: mib[1] = KERN_INTRCNT;
! 764: mib[2] = KERN_INTRCNT_VECTOR;
! 765: mib[3] = i;
! 766: siz = sizeof(vector);
! 767: if (sysctl(mib, 4, &vector, &siz, NULL, 0) < 0) {
! 768: strlcpy(intrname, name, sizeof(intrname));
! 769: } else {
! 770: snprintf(intrname, sizeof(intrname), "irq%d/%s",
! 771: vector, name);
1.74 art 772: }
773:
774: mib[0] = CTL_KERN;
775: mib[1] = KERN_INTRCNT;
776: mib[2] = KERN_INTRCNT_CNT;
777: mib[3] = i;
778: siz = sizeof(cnt);
779: if (sysctl(mib, 4, &cnt, &siz, NULL, 0) < 0) {
1.75 grange 780: warnx("could not read kern.intrcnt.cnt.%d", i);
1.74 art 781: return ;
782: }
1.87 ! aaron 783: if (cnt || zflag)
! 784: (void)printf("%-16.16s %12d %8ld\n", intrname,
1.81 otto 785: cnt, (long)cnt / uptime);
1.74 art 786: inttotal += cnt;
787: }
788:
789: kread(X_ALLEVENTS, &allevents, sizeof allevents);
790: evptr = allevents.tqh_first;
791: while (evptr) {
792: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
793: sizeof evcnt) != sizeof evcnt)
794: errx(1, "event chain trashed: %s", kvm_geterr(kd));
795: if (strcmp(evcnt.ev_name, "intr") == 0) {
796: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
797: sizeof dev) != sizeof dev)
798: errx(1, "event chain trashed: %s", kvm_geterr(kd));
799: if (evcnt.ev_count)
800: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
801: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
802: inttotal += evcnt.ev_count++;
803: }
804: evptr = evcnt.ev_list.tqe_next;
805: }
1.87 ! aaron 806: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.74 art 807: }
808:
809: static void
810: dointr_kvm(void)
1.1 deraadt 811: {
1.62 mpech 812: long *intrcnt, inttotal;
1.19 deraadt 813: time_t uptime;
1.62 mpech 814: int nintr, inamlen;
815: char *intrname;
1.9 deraadt 816: struct evcntlist allevents;
817: struct evcnt evcnt, *evptr;
1.1 deraadt 818: struct device dev;
819:
820: uptime = getuptime();
821: nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
822: inamlen =
823: namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
824: intrcnt = malloc((size_t)nintr);
825: intrname = malloc((size_t)inamlen);
1.50 art 826: if (intrcnt == NULL || intrname == NULL)
827: err(1, "malloc");
1.1 deraadt 828: kread(X_INTRCNT, intrcnt, (size_t)nintr);
829: kread(X_INTRNAMES, intrname, (size_t)inamlen);
1.27 alex 830: (void)printf("interrupt total rate\n");
1.1 deraadt 831: inttotal = 0;
832: nintr /= sizeof(long);
833: while (--nintr >= 0) {
834: if (*intrcnt)
1.27 alex 835: (void)printf("%-14s %12ld %8ld\n", intrname,
1.1 deraadt 836: *intrcnt, *intrcnt / uptime);
837: intrname += strlen(intrname) + 1;
838: inttotal += *intrcnt++;
839: }
840: kread(X_ALLEVENTS, &allevents, sizeof allevents);
1.9 deraadt 841: evptr = allevents.tqh_first;
842: while (evptr) {
843: if (kvm_read(kd, (long)evptr, (void *)&evcnt,
1.50 art 844: sizeof evcnt) != sizeof evcnt)
845: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 846: if (strcmp(evcnt.ev_name, "intr") == 0) {
847: if (kvm_read(kd, (long)evcnt.ev_dev, (void *)&dev,
1.50 art 848: sizeof dev) != sizeof dev)
849: errx(1, "event chain trashed: %s", kvm_geterr(kd));
1.1 deraadt 850: if (evcnt.ev_count)
1.33 art 851: (void)printf("%-14s %12d %8ld\n", dev.dv_xname,
852: evcnt.ev_count, (long)(evcnt.ev_count / uptime));
1.1 deraadt 853: inttotal += evcnt.ev_count++;
854: }
1.9 deraadt 855: evptr = evcnt.ev_list.tqe_next;
1.1 deraadt 856: }
1.27 alex 857: (void)printf("Total %12ld %8ld\n", inttotal, inttotal / uptime);
1.1 deraadt 858: }
859:
860: /*
861: * These names are defined in <sys/malloc.h>.
862: */
863: char *kmemnames[] = INITKMEMNAMES;
864:
865: void
1.72 deraadt 866: domem(void)
1.1 deraadt 867: {
1.62 mpech 868: struct kmembuckets *kp;
869: struct kmemstats *ks;
870: int i, j;
1.1 deraadt 871: int len, size, first;
1.50 art 872: u_long totuse = 0, totfree = 0;
873: quad_t totreq = 0;
1.1 deraadt 874: char *name;
875: struct kmemstats kmemstats[M_LAST];
876: struct kmembuckets buckets[MINBUCKET + 16];
1.50 art 877: int mib[4];
878: size_t siz;
879: char buf[BUFSIZ], *bufp, *ap;
880:
881: if (memf == NULL && nlistf == NULL) {
1.53 deraadt 882: mib[0] = CTL_KERN;
1.50 art 883: mib[1] = KERN_MALLOCSTATS;
884: mib[2] = KERN_MALLOC_BUCKETS;
885: siz = sizeof(buf);
886: if (sysctl(mib, 3, buf, &siz, NULL, 0) < 0) {
1.56 angelos 887: warnx("could not read kern.malloc.buckets");
1.50 art 888: return;
889: }
890:
891: bufp = buf;
892: mib[2] = KERN_MALLOC_BUCKET;
893: siz = sizeof(struct kmembuckets);
894: i = 0;
895: while ((ap = strsep(&bufp, ",")) != NULL) {
1.53 deraadt 896: mib[3] = atoi(ap);
1.50 art 897:
898: if (sysctl(mib, 4, &buckets[MINBUCKET + i], &siz,
1.53 deraadt 899: NULL, 0) < 0) {
1.56 angelos 900: warn("could not read kern.malloc.bucket.%d", mib[3]);
1.50 art 901: return;
902: }
903: i++;
904: }
905: } else {
1.53 deraadt 906: kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
1.50 art 907: }
1.1 deraadt 908:
1.18 kstailey 909: for (first = 1, i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16;
910: i++, kp++) {
1.65 art 911: if (kp->kb_calls == 0 && !verbose)
1.1 deraadt 912: continue;
1.18 kstailey 913: if (first) {
914: (void)printf("Memory statistics by bucket size\n");
915: (void)printf(
1.50 art 916: " Size In Use Free Requests HighWater Couldfree\n");
1.18 kstailey 917: first = 0;
918: }
1.1 deraadt 919: size = 1 << i;
1.60 art 920: (void)printf("%8d %8llu %6llu %18llu %7llu %10llu\n", size,
921: (unsigned long long)(kp->kb_total - kp->kb_totalfree),
922: (unsigned long long)kp->kb_totalfree,
923: (unsigned long long)kp->kb_calls,
924: (unsigned long long)kp->kb_highwat,
925: (unsigned long long)kp->kb_couldfree);
1.1 deraadt 926: totfree += size * kp->kb_totalfree;
1.18 kstailey 927: }
928:
929: /*
930: * If kmem statistics are not being gathered by the kernel,
931: * first will still be 1.
932: */
933: if (first) {
934: printf(
935: "Kmem statistics are not being gathered by the kernel.\n");
936: return;
1.1 deraadt 937: }
938:
1.52 angelos 939: if (memf == NULL && nlistf == NULL) {
940: bzero(kmemstats, sizeof(kmemstats));
941: for (i = 0; i < M_LAST; i++) {
1.53 deraadt 942: mib[0] = CTL_KERN;
1.52 angelos 943: mib[1] = KERN_MALLOCSTATS;
944: mib[2] = KERN_MALLOC_KMEMSTATS;
945: mib[3] = i;
946: siz = sizeof(struct kmemstats);
947:
948: /*
949: * Skip errors -- these are presumed to be unallocated
950: * entries.
951: */
952: if (sysctl(mib, 4, &kmemstats[i], &siz, NULL, 0) < 0)
953: continue;
954: }
955: } else {
956: kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats));
957: }
958:
1.1 deraadt 959: (void)printf("\nMemory usage type by bucket size\n");
960: (void)printf(" Size Type(s)\n");
961: kp = &buckets[MINBUCKET];
962: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
963: if (kp->kb_calls == 0)
964: continue;
965: first = 1;
966: len = 8;
967: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
968: if (ks->ks_calls == 0)
969: continue;
970: if ((ks->ks_size & j) == 0)
971: continue;
972: name = kmemnames[i] ? kmemnames[i] : "undefined";
973: len += 2 + strlen(name);
974: if (first)
975: printf("%8d %s", j, name);
976: else
977: printf(",");
978: if (len >= 80) {
979: printf("\n\t ");
980: len = 10 + strlen(name);
981: }
982: if (!first)
983: printf(" %s", name);
984: first = 0;
985: }
986: printf("\n");
987: }
988:
989: (void)printf(
1.26 deraadt 990: "\nMemory statistics by type Type Kern\n");
1.1 deraadt 991: (void)printf(
1.26 deraadt 992: " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
1.1 deraadt 993: for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) {
994: if (ks->ks_calls == 0)
995: continue;
1.24 mickey 996: (void)printf("%14s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
1.1 deraadt 997: kmemnames[i] ? kmemnames[i] : "undefined",
998: ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
999: (ks->ks_maxused + 1023) / 1024,
1000: (ks->ks_limit + 1023) / 1024, ks->ks_calls,
1001: ks->ks_limblocks, ks->ks_mapblocks);
1002: first = 1;
1003: for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
1004: if ((ks->ks_size & j) == 0)
1005: continue;
1006: if (first)
1007: printf(" %d", j);
1008: else
1009: printf(",%d", j);
1010: first = 0;
1011: }
1012: printf("\n");
1013: totuse += ks->ks_memuse;
1014: totreq += ks->ks_calls;
1015: }
1016: (void)printf("\nMemory Totals: In Use Free Requests\n");
1.50 art 1017: (void)printf(" %7luK %6luK %8qu\n",
1.1 deraadt 1018: (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
1019: }
1020:
1.54 art 1021: static void
1022: print_pool(struct pool *pp, char *name)
1023: {
1024: static int first = 1;
1025: int ovflw;
1026: char maxp[32];
1027:
1028: if (first) {
1029: (void)printf("Memory resource pool statistics\n");
1030: (void)printf(
1031: "%-11s%5s%9s%5s%9s%6s%6s%6s%6s%6s%6s%5s\n",
1032: "Name",
1033: "Size",
1034: "Requests",
1035: "Fail",
1036: "Releases",
1037: "Pgreq",
1038: "Pgrel",
1039: "Npage",
1040: "Hiwat",
1041: "Minpg",
1042: "Maxpg",
1043: "Idle");
1044: first = 0;
1045: }
1.65 art 1046:
1047: /* Skip unused pools unless verbose output. */
1048: if (pp->pr_nget == 0 && !verbose)
1049: return;
1050:
1.54 art 1051: if (pp->pr_maxpages == UINT_MAX)
1.69 deraadt 1052: snprintf(maxp, sizeof maxp, "inf");
1.54 art 1053: else
1.69 deraadt 1054: snprintf(maxp, sizeof maxp, "%u", pp->pr_maxpages);
1.54 art 1055: /*
1056: * Print single word. `ovflow' is number of characters didn't fit
1057: * on the last word. `fmt' is a format string to print this word.
1058: * It must contain asterisk for field width. `width' is a width
1059: * occupied by this word. `fixed' is a number of constant chars in
1060: * `fmt'. `val' is a value to be printed using format string `fmt'.
1061: */
1062: #define PRWORD(ovflw, fmt, width, fixed, val) do { \
1063: (ovflw) += printf((fmt), \
1064: (width) - (fixed) - (ovflw) > 0 ? \
1065: (width) - (fixed) - (ovflw) : 0, \
1066: (val)) - (width); \
1067: if ((ovflw) < 0) \
1068: (ovflw) = 0; \
1069: } while (/* CONSTCOND */0)
1070:
1071: ovflw = 0;
1072: PRWORD(ovflw, "%-*s", 11, 0, name);
1073: PRWORD(ovflw, " %*u", 5, 1, pp->pr_size);
1074: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nget);
1075: PRWORD(ovflw, " %*lu", 5, 1, pp->pr_nfail);
1076: PRWORD(ovflw, " %*lu", 9, 1, pp->pr_nput);
1077: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagealloc);
1078: PRWORD(ovflw, " %*lu", 6, 1, pp->pr_npagefree);
1079: PRWORD(ovflw, " %*d", 6, 1, pp->pr_npages);
1080: PRWORD(ovflw, " %*d", 6, 1, pp->pr_hiwat);
1081: PRWORD(ovflw, " %*d", 6, 1, pp->pr_minpages);
1082: PRWORD(ovflw, " %*s", 6, 1, maxp);
1083: PRWORD(ovflw, " %*lu\n", 5, 1, pp->pr_nidle);
1084: }
1085:
1.55 art 1086: static void dopool_kvm(void);
1087: static void dopool_sysctl(void);
1088:
1.48 art 1089: void
1090: dopool(void)
1091: {
1.55 art 1092: if (nlistf == NULL && memf == NULL)
1093: dopool_sysctl();
1094: else
1095: dopool_kvm();
1096: }
1097:
1098: void
1099: dopool_sysctl(void)
1100: {
1.63 art 1101: long total = 0, inuse = 0;
1.55 art 1102: struct pool pool;
1103: size_t size;
1104: int mib[4];
1105: int npools, i;
1106:
1107: mib[0] = CTL_KERN;
1108: mib[1] = KERN_POOL;
1109: mib[2] = KERN_POOL_NPOOLS;
1110: size = sizeof(npools);
1111: if (sysctl(mib, 3, &npools, &size, NULL, 0) < 0) {
1112: printf("Can't figure out number of pools in kernel: %s\n",
1113: strerror(errno));
1114: return;
1115: }
1116:
1117: for (i = 1; npools; i++) {
1118: char name[32];
1119:
1120: mib[0] = CTL_KERN;
1121: mib[1] = KERN_POOL;
1122: mib[2] = KERN_POOL_POOL;
1123: mib[3] = i;
1124: size = sizeof(struct pool);
1125: if (sysctl(mib, 4, &pool, &size, NULL, 0) < 0) {
1126: if (errno == ENOENT)
1127: continue;
1128: printf("error getting pool: %s\n", strerror(errno));
1129: return;
1130: }
1131: npools--;
1132: mib[2] = KERN_POOL_NAME;
1133: size = sizeof(name);
1134: if (sysctl(mib, 4, &name, &size, NULL, 0) < 0) {
1135: printf("error getting pool name: %s\n",
1136: strerror(errno));
1137: return;
1138: }
1139: print_pool(&pool, name);
1.63 art 1140:
1141: inuse += (pool.pr_nget - pool.pr_nput) * pool.pr_size;
1142: total += pool.pr_npages * getpagesize(); /* XXX */
1.55 art 1143: }
1.63 art 1144:
1145: inuse /= 1024;
1146: total /= 1024;
1147: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1148: inuse, total, (double)(100 * inuse) / total);
1.55 art 1149: }
1150:
1151: void
1152: dopool_kvm(void)
1153: {
1.48 art 1154: long addr;
1155: long total = 0, inuse = 0;
1156: TAILQ_HEAD(,pool) pool_head;
1157: struct pool pool, *pp = &pool;
1158:
1159: kread(X_POOLHEAD, &pool_head, sizeof(pool_head));
1160: addr = (long)TAILQ_FIRST(&pool_head);
1161:
1.55 art 1162: while (addr != 0) {
1.54 art 1163: char name[32];
1.56 angelos 1164:
1.48 art 1165: if (kvm_read(kd, addr, (void *)pp, sizeof *pp) != sizeof *pp) {
1166: (void)fprintf(stderr,
1167: "vmstat: pool chain trashed: %s\n",
1168: kvm_geterr(kd));
1169: exit(1);
1170: }
1171: if (kvm_read(kd, (long)pp->pr_wchan, name, sizeof name) < 0) {
1172: (void)fprintf(stderr,
1173: "vmstat: pool name trashed: %s\n",
1174: kvm_geterr(kd));
1175: exit(1);
1176: }
1.56 angelos 1177:
1.48 art 1178: name[31] = '\0';
1179:
1.54 art 1180: print_pool(pp, name);
1.48 art 1181:
1182: inuse += (pp->pr_nget - pp->pr_nput) * pp->pr_size;
1.63 art 1183: total += pp->pr_npages * getpagesize(); /* XXX */
1.56 angelos 1184:
1.48 art 1185: addr = (long)TAILQ_NEXT(pp, pr_poollist);
1186: }
1187:
1188: inuse /= 1024;
1189: total /= 1024;
1190: printf("\nIn use %ldK, total allocated %ldK; utilization %.1f%%\n",
1191: inuse, total, (double)(100 * inuse) / total);
1192: }
1193:
1.1 deraadt 1194: /*
1195: * kread reads something from the kernel, given its nlist index.
1196: */
1197: void
1.72 deraadt 1198: kread(int nlx, void *addr, size_t size)
1.1 deraadt 1199: {
1200: char *sym;
1201:
1202: if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
1203: sym = namelist[nlx].n_name;
1204: if (*sym == '_')
1205: ++sym;
1.50 art 1206: errx(1, "symbol %s not defined", sym);
1.1 deraadt 1207: }
1208: if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
1209: sym = namelist[nlx].n_name;
1210: if (*sym == '_')
1211: ++sym;
1.50 art 1212: errx(1, "%s: %s", sym, kvm_geterr(kd));
1.1 deraadt 1213: }
1214: }
1215:
1216: void
1.72 deraadt 1217: usage(void)
1.1 deraadt 1218: {
1.50 art 1219: (void)fprintf(stderr, "usage: %s [-fimst] [-c count] [-M core] "
1220: "[-N system] [-w wait] [disks]\n", __progname);
1.1 deraadt 1221: exit(1);
1222: }
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