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;
160 ut = open(_PATH_UTMP, O_RDONLY);
178 * These constants define where the major pieces are laid out
180 #define STATROW 0 /* uses 1 row and 67 cols */
182 #define MEMROW 2 /* uses 4 rows and 45 cols */
184 #define PAGEROW 2 /* uses 4 rows and 30 cols */
186 #define INTSROW 6 /* uses all rows to bottom and 16 cols */
188 #define PROCSROW 6 /* uses 3 rows and 19 cols */
190 #define GENSTATROW 7 /* uses 2 rows and 29 cols */
191 #define GENSTATCOL 21
192 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
193 #define VMSTATCOL 49 /* actually 50-51 for some fields */
194 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
196 #define VNSTATROW 13 /* uses 4 rows and 13 columns */
198 #define NAMEIROW 14 /* uses 3 rows and 32 cols */
200 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
203 #define DRIVESPACE 7 /* max # for space */
205 #define MAXDRIVES DRIVESPACE /* max # to display */
210 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
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++) {
252 nextcp = cp + strlen(cp) + 1;
254 /* Discard trailing spaces. */
255 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
258 /* Convert "irqN: name" to "name irqN". */
259 if (strncmp(cp, "irq", 3) == 0) {
261 while (isdigit((u_char)*cp1))
263 if (cp1 != cp && *cp1 == ':' &&
268 bcopy(cp1, cp, strlen(cp1) + 1);
276 * Convert "name irqN" to "name N" if the former is
277 * longer than the field width.
279 if ((cp1 = strstr(cp, "irq")) != NULL &&
281 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
286 nextintsrow = INTSROW + 2;
302 static int d_first = -1;
305 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
308 tp = localtime(&now);
309 (void) strftime(buf, sizeof(buf),
310 d_first ? "%e %b %R" : "%b %e %R", tp);
320 mvprintw(STATROW, STATCOL + 6, "users Load");
321 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
322 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
323 mvprintw(MEMROW + 2, MEMCOL, "Act");
324 mvprintw(MEMROW + 3, MEMCOL, "All");
326 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
328 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
329 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
330 mvprintw(PAGEROW + 2, PAGECOL, "count");
331 mvprintw(PAGEROW + 3, PAGECOL, "pages");
333 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
334 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
336 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow");
337 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod");
338 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod");
339 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod");
340 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr");
341 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr");
342 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr");
343 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react");
344 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak");
345 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs");
346 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn");
347 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire");
348 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act");
349 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact");
350 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache");
351 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free");
352 if (LINES - 1 > VMSTATROW + 16)
353 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf");
355 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
357 mvprintw(GRAPHROW, GRAPHCOL,
358 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
359 mvprintw(PROCSROW, PROCSCOL, "Proc:");
360 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
361 mvprintw(GRAPHROW + 1, GRAPHCOL,
362 "| | | | | | | | | | |");
364 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
365 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
366 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
367 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
369 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
370 mvprintw(NAMEIROW + 1, NAMEICOL,
371 " Calls hits %% hits %%");
372 mvprintw(DISKROW, DISKCOL, "Disks");
373 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
374 mvprintw(DISKROW + 2, DISKCOL, "tps");
375 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
376 mvprintw(DISKROW + 4, DISKCOL, "%%busy");
378 * For now, we don't support a fourth disk statistic. So there's
379 * no point in providing a label for it. If someone can think of a
380 * fourth useful disk statistic, there is room to add it.
382 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
384 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
385 if (dev_select[i].selected) {
387 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
388 dev_select[i].unit_number);
389 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
394 for (i = 0; i < nintr; i++) {
397 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
401 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
402 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
403 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
404 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
405 if(state == TIME) s1.nchstats.fld = t;}
406 #define PUTRATE(fld, l, c, w) \
409 putint((int)((float)s.fld/etime + 0.5), l, c, w); \
413 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
414 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
423 static int failcnt = 0;
426 for(i = 0; i < CPUSTATES; i++) {
431 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
432 if (failcnt++ >= MAXFAIL) {
434 mvprintw(2, 10, "The alternate system clock has died!");
435 mvprintw(3, 10, "Reverting to ``pigs'' display.");
448 for (i = 0; i < nintr; i++) {
449 if (s.intrcnt[i] == 0)
451 if (intrloc[i] == 0) {
452 if (nextintsrow == LINES)
454 intrloc[i] = nextintsrow++;
455 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
459 l = (int)((float)s.intrcnt[i]/etime + 0.5);
461 putint(l, intrloc[i], INTSCOL, 5);
463 putint(inttotal, INTSROW + 1, INTSCOL, 5);
464 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
465 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
466 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
467 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
469 s1.nchcount = s.nchcount;
473 for (lc = 0; lc < CPUSTATES; lc++) {
477 l = (int) ((f2 + 1.0) / 2.0) - psiz;
478 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
479 move(GRAPHROW + 2, psiz);
485 putint(ucount(), STATROW, STATCOL, 5);
486 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
487 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
488 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
489 mvaddstr(STATROW, STATCOL + 55, buf);
490 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
491 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
492 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
493 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
494 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
495 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
496 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
497 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
498 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
499 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
500 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
501 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
502 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
503 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
504 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
505 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
506 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
507 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8);
508 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
509 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1);
510 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2);
511 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
512 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8);
513 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8);
514 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8);
515 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8);
516 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8);
517 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8);
518 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8);
519 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8);
520 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8);
521 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8);
522 if (LINES - 1 > VMSTATROW + 16)
523 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8);
524 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
525 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
526 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
527 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
528 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
529 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
530 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
531 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
532 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
533 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
534 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
535 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
536 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
537 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
538 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
539 if (dev_select[i].selected) {
542 dinfo(i, ++lc, &cur, &last);
545 dinfo(i, ++lc, &cur, &run);
548 dinfo(i, ++lc, &cur, NULL);
552 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
553 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
554 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
555 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
556 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
557 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
558 NAMEIROW + 2, NAMEICOL + 9, 7);
559 #define nz(x) ((x) ? (x) : 1)
560 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
561 100.0 / nz(s.nchcount),
562 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
563 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
564 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
565 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
570 cmdkre(const char *cmd, const char *args)
574 if (prefix(cmd, "run")) {
577 switch (devstat_getdevs(NULL, &run)) {
579 errx(1, "%s", devstat_errbuf);
582 num_devices = run.dinfo->numdevs;
583 generation = run.dinfo->generation;
584 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
594 if (prefix(cmd, "boot")) {
599 if (prefix(cmd, "time")) {
603 if (prefix(cmd, "zero")) {
607 switch (devstat_getdevs(NULL, &run)) {
609 errx(1, "%s", devstat_errbuf);
612 num_devices = run.dinfo->numdevs;
613 generation = run.dinfo->generation;
614 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
624 retval = dscmd(cmd, args, MAXDRIVES, &cur);
632 /* calculate number of users on the system */
640 while (read(ut, &utmp, sizeof(utmp)))
641 if (utmp.ut_name[0] != '\0')
644 lseek(ut, 0L, L_SET);
655 for (i = 0; i < CPUSTATES; i++)
659 return (s.time[indx] * 100.0 / lt);
663 putint(int n, int l, int lc, int w)
679 snr = snprintf(b, sizeof(b), "%*d", w, n);
681 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
683 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
693 putfloat(double f, int l, int lc, int w, int d, int nz)
704 if (nz && f == 0.0) {
709 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
711 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
721 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
732 if (nz && f == 0.0) {
737 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
739 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
749 getinfo(struct Info *ls)
751 struct devinfo *tmp_dinfo;
755 GETSYSCTL("kern.cp_time", ls->time);
756 GETSYSCTL("kern.cp_time", cur.cp_time);
757 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
758 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
759 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
760 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
761 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
762 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
763 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
764 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
765 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
766 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
767 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
768 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
769 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
770 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
771 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
772 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
773 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
774 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
775 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
776 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
777 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
778 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
779 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
780 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
781 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
782 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
783 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
784 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
785 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
786 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
787 GETSYSCTL("vfs.bufspace", ls->bufspace);
788 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
789 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
790 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
791 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
792 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
793 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
795 size = sizeof(ls->Total);
798 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
799 error("Can't get kernel info: %s\n", strerror(errno));
800 bzero(&ls->Total, sizeof(ls->Total));
803 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
804 size != sizeof(ncpu))
807 tmp_dinfo = last.dinfo;
808 last.dinfo = cur.dinfo;
809 cur.dinfo = tmp_dinfo;
811 last.snap_time = cur.snap_time;
812 switch (devstat_getdevs(NULL, &cur)) {
814 errx(1, "%s", devstat_errbuf);
817 num_devices = cur.dinfo->numdevs;
818 generation = cur.dinfo->generation;
819 cmdkre("refresh", NULL);
827 allocinfo(struct Info *ls)
830 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
831 if (ls->intrcnt == NULL)
832 errx(2, "out of memory");
836 copyinfo(struct Info *from, struct Info *to)
841 * time, wds, seek, and xfer are malloc'd so we have to
842 * save the pointers before the structure copy and then
845 intrcnt = to->intrcnt;
848 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
852 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
854 long double transfers_per_second;
855 long double kb_per_transfer, mb_per_second;
856 long double elapsed_time, device_busy;
859 di = dev_select[dn].position;
862 /* Calculate relative to previous sample */
863 elapsed_time = now->snap_time - then->snap_time;
865 /* Calculate relative to device creation */
866 elapsed_time = now->snap_time - devstat_compute_etime(
867 &now->dinfo->devices[di].creation_time, NULL);
870 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
871 &then->dinfo->devices[di] : NULL, elapsed_time,
872 DSM_KB_PER_TRANSFER, &kb_per_transfer,
873 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
874 DSM_MB_PER_SECOND, &mb_per_second,
875 DSM_BUSY_PCT, &device_busy,
877 errx(1, "%s", devstat_errbuf);
879 lc = DISKCOL + lc * 6;
880 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
881 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
882 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
883 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);