2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
43 * Cursed vmstat -- from Robert Elz.
46 #include <sys/param.h>
51 #include <sys/namei.h>
52 #include <sys/resource.h>
53 #include <sys/sysctl.h>
54 #include <sys/vmmeter.h>
56 #include <vm/vm_param.h>
77 u_int v_swtch; /* context switches */
78 u_int v_trap; /* calls to trap */
79 u_int v_syscall; /* calls to syscall() */
80 u_int v_intr; /* device interrupts */
81 u_int v_soft; /* software interrupts */
83 * Virtual memory activity.
85 u_int v_vm_faults; /* number of address memory faults */
86 u_int v_cow_faults; /* number of copy-on-writes */
87 u_int v_zfod; /* pages zero filled on demand */
88 u_int v_ozfod; /* optimized zero fill pages */
89 u_int v_swapin; /* swap pager pageins */
90 u_int v_swapout; /* swap pager pageouts */
91 u_int v_swappgsin; /* swap pager pages paged in */
92 u_int v_swappgsout; /* swap pager pages paged out */
93 u_int v_vnodein; /* vnode pager pageins */
94 u_int v_vnodeout; /* vnode pager pageouts */
95 u_int v_vnodepgsin; /* vnode_pager pages paged in */
96 u_int v_vnodepgsout; /* vnode pager pages paged out */
97 u_int v_intrans; /* intransit blocking page faults */
98 u_int v_reactivated; /* number of pages reactivated from free list */
99 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
100 u_int v_pdpages; /* number of pages analyzed by daemon */
102 u_int v_dfree; /* pages freed by daemon */
103 u_int v_pfree; /* pages freed by exiting processes */
104 u_int v_tfree; /* total pages freed */
106 * Distribution of page usages.
108 u_int v_page_size; /* page size in bytes */
109 u_int v_free_count; /* number of pages free */
110 u_int v_wire_count; /* number of pages wired down */
111 u_int v_active_count; /* number of pages active */
112 u_int v_inactive_count; /* number of pages inactive */
113 u_int v_cache_count; /* number of pages on buffer cache queue */
114 struct vmtotal Total;
115 struct nchstats nchstats;
125 struct statinfo cur, last, run;
127 #define total s.Total
128 #define nchtotal s.nchstats
129 #define oldnchtotal s1.nchstats
131 static enum state { BOOT, TIME, RUN } state = TIME;
133 static void allocinfo(struct Info *);
134 static void copyinfo(struct Info *, struct Info *);
135 static float cputime(int);
136 static void dinfo(int, int, struct statinfo *, struct statinfo *);
137 static void getinfo(struct Info *);
138 static void putint(int, int, int, int);
139 static void putfloat(double, int, int, int, int, int);
140 static void putlongdouble(long double, int, int, int, int, int);
141 static int ucount(void);
149 static long *intrloc;
150 static char **intrname;
151 static int nextintsrow;
152 static int extended_vm_stats;
161 ut = open(_PATH_UTMP, O_RDONLY);
180 * These constants define where the major pieces are laid out
182 #define STATROW 0 /* uses 1 row and 68 cols */
184 #define MEMROW 2 /* uses 4 rows and 31 cols */
186 #define PAGEROW 2 /* uses 4 rows and 26 cols */
188 #define INTSROW 6 /* uses all rows to bottom and 17 cols */
190 #define PROCSROW 7 /* uses 2 rows and 20 cols */
192 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
193 #define GENSTATCOL 20
194 #define VMSTATROW 6 /* uses 17 rows and 12 cols */
196 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
198 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
200 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
203 #define DRIVESPACE 7 /* max # for space */
205 #define MAXDRIVES DRIVESPACE /* max # to display */
210 char *intrnamebuf, *cp;
214 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
215 warnx("%s", devstat_errbuf);
219 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
220 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
221 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
222 bzero(cur.dinfo, sizeof(struct devinfo));
223 bzero(last.dinfo, sizeof(struct devinfo));
224 bzero(run.dinfo, sizeof(struct devinfo));
226 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
230 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
231 error("sysctl(hw.intrcnt...) failed: %s",
235 nintr = sz / sizeof(u_long);
236 intrloc = calloc(nintr, sizeof (long));
237 intrname = calloc(nintr, sizeof (char *));
238 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
239 if (intrnamebuf == NULL || intrname == NULL ||
241 error("Out of memory");
251 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
253 cp += strlen(cp) + 1;
255 nextintsrow = INTSROW + 2;
271 static int d_first = -1;
274 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
277 tp = localtime(&now);
278 (void) strftime(buf, sizeof(buf),
279 d_first ? "%e %b %R" : "%b %e %R", tp);
289 mvprintw(STATROW, STATCOL + 4, "users Load");
290 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
291 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
292 mvprintw(MEMROW + 2, MEMCOL, "Act");
293 mvprintw(MEMROW + 3, MEMCOL, "All");
295 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
297 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
298 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
299 mvprintw(PAGEROW + 2, PAGECOL, "count");
300 mvprintw(PAGEROW + 3, PAGECOL, "pages");
302 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
303 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
305 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow");
306 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire");
307 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act");
308 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact");
309 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache");
310 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free");
311 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr");
312 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr");
313 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react");
314 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake");
315 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs");
316 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn");
317 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf");
318 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf");
320 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes");
321 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes");
322 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes");
324 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
326 mvprintw(GRAPHROW, GRAPHCOL,
327 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
328 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
329 mvprintw(GRAPHROW + 1, GRAPHCOL,
330 "| | | | | | | | | | |");
332 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
333 mvprintw(NAMEIROW + 1, NAMEICOL,
334 " Calls hits %% hits %%");
335 mvprintw(DISKROW, DISKCOL, "Disks");
336 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
337 mvprintw(DISKROW + 2, DISKCOL, "tps");
338 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
339 mvprintw(DISKROW + 4, DISKCOL, "%% busy");
341 * For now, we don't support a fourth disk statistic. So there's
342 * no point in providing a label for it. If someone can think of a
343 * fourth useful disk statistic, there is room to add it.
345 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
347 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
348 if (dev_select[i].selected) {
350 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
351 dev_select[i].unit_number);
352 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
359 * room for extended VM stats
361 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
362 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod");
363 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z");
364 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
365 extended_vm_stats = 1;
367 extended_vm_stats = 0;
368 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod");
371 for (i = 0; i < nintr; i++) {
374 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
378 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
379 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
380 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
381 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
382 if(state == TIME) s1.nchstats.fld = t;}
383 #define PUTRATE(fld, l, c, w) \
385 putint((int)((float)s.fld/etime + 0.5), l, c, w)
388 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
389 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
398 static int failcnt = 0;
402 for(i = 0; i < CPUSTATES; i++) {
407 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
408 if (failcnt++ >= MAXFAIL) {
410 mvprintw(2, 10, "The alternate system clock has died!");
411 mvprintw(3, 10, "Reverting to ``pigs'' display.");
424 for (i = 0; i < nintr; i++) {
425 if (s.intrcnt[i] == 0)
427 if (intrloc[i] == 0) {
428 if (nextintsrow == LINES)
430 intrloc[i] = nextintsrow++;
432 for (j = 0; j < (int)sizeof(intrbuffer); j++) {
433 if (strncmp(&intrname[i][j], "irq", 3) == 0)
435 intrbuffer[k++] = intrname[i][j];
437 intrbuffer[k] = '\0';
438 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
442 l = (int)((float)s.intrcnt[i]/etime + 0.5);
444 putint(l, intrloc[i], INTSCOL + 2, 6);
446 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6);
447 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
448 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
449 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
450 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
452 s1.nchcount = s.nchcount;
456 for (lc = 0; lc < CPUSTATES; lc++) {
460 l = (int) ((f2 + 1.0) / 2.0) - psiz;
462 f1 = 99.9; /* no room to display 100.0 */
463 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
464 move(GRAPHROW + 2, psiz);
470 putint(ucount(), STATROW, STATCOL, 3);
471 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
472 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
473 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
474 mvaddstr(STATROW, STATCOL + 53, buf);
475 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
476 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8);
477 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8);
478 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9);
479 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9);
480 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8);
481 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8);
482 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9);
483 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9);
484 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8);
485 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
486 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3);
487 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3);
488 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3);
489 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3);
490 if (extended_vm_stats == 0) {
491 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5);
493 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6);
494 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9);
495 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9);
496 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9);
497 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9);
498 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL, 9);
499 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9);
500 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9);
501 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9);
502 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9);
503 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9);
504 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9);
506 if (extended_vm_stats) {
507 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
508 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
510 ((s.v_ozfod < s.v_zfod) ?
511 s.v_ozfod * 100 / s.v_zfod :
518 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
521 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9);
522 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9);
523 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9);
524 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9);
525 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9);
526 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 5, 5);
527 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5);
528 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 17, 5);
529 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 22, 5);
530 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5);
531 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5);
532 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5);
533 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5);
534 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
535 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
536 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
537 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
538 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
539 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
540 mvprintw(DISKROW, DISKCOL + 5, " ");
541 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
542 if (dev_select[i].selected) {
544 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
545 dev_select[i].unit_number);
546 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
550 dinfo(i, ++lc, &cur, &last);
553 dinfo(i, ++lc, &cur, &run);
556 dinfo(i, ++lc, &cur, NULL);
560 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
561 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
562 NAMEIROW + 2, NAMEICOL + 9, 9);
563 #define nz(x) ((x) ? (x) : 1)
564 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
565 100.0 / nz(s.nchcount),
566 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
567 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
568 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
569 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
575 const char *cmd, *args;
579 if (prefix(cmd, "run")) {
582 switch (devstat_getdevs(NULL, &run)) {
584 errx(1, "%s", devstat_errbuf);
587 num_devices = run.dinfo->numdevs;
588 generation = run.dinfo->generation;
589 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
599 if (prefix(cmd, "boot")) {
604 if (prefix(cmd, "time")) {
608 if (prefix(cmd, "zero")) {
612 switch (devstat_getdevs(NULL, &run)) {
614 errx(1, "%s", devstat_errbuf);
617 num_devices = run.dinfo->numdevs;
618 generation = run.dinfo->generation;
619 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
629 retval = dscmd(cmd, args, MAXDRIVES, &cur);
637 /* calculate number of users on the system */
645 while (read(ut, &utmp, sizeof(utmp)))
646 if (utmp.ut_name[0] != '\0')
649 lseek(ut, 0L, L_SET);
661 for (i = 0; i < CPUSTATES; i++)
665 return (s.time[indx] * 100.0 / lt);
680 snprintf(b, sizeof(b), "%*d", w, n);
681 if ((int)strlen(b) > w)
682 snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
683 if ((int)strlen(b) > w)
684 snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
689 putfloat(f, l, lc, w, d, nz)
696 if (nz && f == 0.0) {
701 snprintf(b, sizeof(b), "%*.*f", w, d, f);
702 if ((int)strlen(b) > w)
703 snprintf(b, sizeof(b), "%*.0f", w, f);
704 if ((int)strlen(b) > w) {
713 putlongdouble(f, l, lc, w, d, nz)
720 if (nz && f == 0.0) {
725 sprintf(b, "%*.*Lf", w, d, f);
726 if ((int)strlen(b) > w)
727 sprintf(b, "%*.0Lf", w, f);
728 if ((int)strlen(b) > w) {
740 struct devinfo *tmp_dinfo;
744 GETSYSCTL("kern.cp_time", ls->time);
745 GETSYSCTL("kern.cp_time", cur.cp_time);
746 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
747 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
748 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
749 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
750 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
751 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
752 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
753 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
754 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
755 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
756 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
757 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
758 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
759 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
760 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
761 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
762 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
763 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
764 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
765 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
766 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
767 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
768 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
769 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
770 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
771 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
772 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
773 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
774 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
775 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
776 GETSYSCTL("vfs.bufspace", ls->bufspace);
777 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
778 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
779 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
780 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
781 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
782 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
784 size = sizeof(ls->Total);
787 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
788 error("Can't get kernel info: %s\n", strerror(errno));
789 bzero(&ls->Total, sizeof(ls->Total));
792 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
793 size != sizeof(ncpu))
796 tmp_dinfo = last.dinfo;
797 last.dinfo = cur.dinfo;
798 cur.dinfo = tmp_dinfo;
800 last.snap_time = cur.snap_time;
801 switch (devstat_getdevs(NULL, &cur)) {
803 errx(1, "%s", devstat_errbuf);
806 num_devices = cur.dinfo->numdevs;
807 generation = cur.dinfo->generation;
808 cmdkre("refresh", NULL);
820 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
821 if (ls->intrcnt == NULL)
822 errx(2, "out of memory");
827 struct Info *from, *to;
832 * time, wds, seek, and xfer are malloc'd so we have to
833 * save the pointers before the structure copy and then
836 intrcnt = to->intrcnt;
839 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
843 dinfo(dn, lc, now, then)
845 struct statinfo *now, *then;
847 long double transfers_per_second;
848 long double kb_per_transfer, mb_per_second;
849 long double elapsed_time, device_busy;
852 di = dev_select[dn].position;
855 /* Calculate relative to previous sample */
856 elapsed_time = now->snap_time - then->snap_time;
858 /* Calculate relative to device creation */
859 elapsed_time = now->snap_time - devstat_compute_etime(
860 &now->dinfo->devices[di].creation_time, NULL);
863 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
864 &then->dinfo->devices[di] : NULL, elapsed_time,
865 DSM_KB_PER_TRANSFER, &kb_per_transfer,
866 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
867 DSM_MB_PER_SECOND, &mb_per_second,
868 DSM_BUSY_PCT, &device_busy,
870 errx(1, "%s", devstat_errbuf);
872 lc = DISKCOL + lc * 6;
873 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
874 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
875 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
876 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);