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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
39 * Cursed vmstat -- from Robert Elz.
42 #include <sys/param.h>
47 #include <sys/namei.h>
48 #include <sys/resource.h>
49 #include <sys/sysctl.h>
50 #include <sys/vmmeter.h>
52 #include <vm/vm_param.h>
73 u_int v_swtch; /* context switches */
74 u_int v_trap; /* calls to trap */
75 u_int v_syscall; /* calls to syscall() */
76 u_int v_intr; /* device interrupts */
77 u_int v_soft; /* software interrupts */
79 * Virtual memory activity.
81 u_int v_vm_faults; /* number of address memory faults */
82 u_int v_cow_faults; /* number of copy-on-writes */
83 u_int v_zfod; /* pages zero filled on demand */
84 u_int v_ozfod; /* optimized zero fill pages */
85 u_int v_swapin; /* swap pager pageins */
86 u_int v_swapout; /* swap pager pageouts */
87 u_int v_swappgsin; /* swap pager pages paged in */
88 u_int v_swappgsout; /* swap pager pages paged out */
89 u_int v_vnodein; /* vnode pager pageins */
90 u_int v_vnodeout; /* vnode pager pageouts */
91 u_int v_vnodepgsin; /* vnode_pager pages paged in */
92 u_int v_vnodepgsout; /* vnode pager pages paged out */
93 u_int v_intrans; /* intransit blocking page faults */
94 u_int v_reactivated; /* number of pages reactivated from free list */
95 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
96 u_int v_pdpages; /* number of pages analyzed by daemon */
98 u_int v_dfree; /* pages freed by daemon */
99 u_int v_pfree; /* pages freed by exiting processes */
100 u_int v_tfree; /* total pages freed */
102 * Distribution of page usages.
104 u_int v_page_size; /* page size in bytes */
105 u_int v_free_count; /* number of pages free */
106 u_int v_wire_count; /* number of pages wired down */
107 u_int v_active_count; /* number of pages active */
108 u_int v_inactive_count; /* number of pages inactive */
109 u_int v_cache_count; /* number of pages on buffer cache queue */
110 struct vmtotal Total;
111 struct nchstats nchstats;
121 struct statinfo cur, last, run;
123 #define total s.Total
124 #define nchtotal s.nchstats
125 #define oldnchtotal s1.nchstats
127 static enum state { BOOT, TIME, RUN } state = TIME;
129 static void allocinfo(struct Info *);
130 static void copyinfo(struct Info *, struct Info *);
131 static float cputime(int);
132 static void dinfo(int, int, struct statinfo *, struct statinfo *);
133 static void getinfo(struct Info *);
134 static void putint(int, int, int, int);
135 static void putfloat(double, int, int, int, int, int);
136 static void putlongdouble(long double, int, int, int, int, int);
137 static int ucount(void);
144 static long *intrloc;
145 static char **intrname;
146 static int nextintsrow;
166 * These constants define where the major pieces are laid out
168 #define STATROW 0 /* uses 1 row and 67 cols */
170 #define MEMROW 2 /* uses 4 rows and 45 cols */
172 #define PAGEROW 2 /* uses 4 rows and 30 cols */
174 #define INTSROW 6 /* uses all rows to bottom and 16 cols */
176 #define PROCSROW 6 /* uses 3 rows and 19 cols */
178 #define GENSTATROW 7 /* uses 2 rows and 29 cols */
179 #define GENSTATCOL 21
180 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
181 #define VMSTATCOL 49 /* actually 50-51 for some fields */
182 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
184 #define VNSTATROW 13 /* uses 4 rows and 13 columns */
186 #define NAMEIROW 14 /* uses 3 rows and 32 cols */
188 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
191 #define DRIVESPACE 7 /* max # for space */
193 #define MAXDRIVES DRIVESPACE /* max # to display */
198 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
202 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
203 warnx("%s", devstat_errbuf);
207 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
208 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
209 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
210 bzero(cur.dinfo, sizeof(struct devinfo));
211 bzero(last.dinfo, sizeof(struct devinfo));
212 bzero(run.dinfo, sizeof(struct devinfo));
214 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
218 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
219 error("sysctl(hw.intrcnt...) failed: %s",
223 nintr = sz / sizeof(u_long);
224 intrloc = calloc(nintr, sizeof (long));
225 intrname = calloc(nintr, sizeof (char *));
226 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
227 if (intrnamebuf == NULL || intrname == NULL ||
229 error("Out of memory");
239 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
240 nextcp = cp + strlen(cp) + 1;
242 /* Discard trailing spaces. */
243 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
246 /* Convert "irqN: name" to "name irqN". */
247 if (strncmp(cp, "irq", 3) == 0) {
249 while (isdigit((u_char)*cp1))
251 if (cp1 != cp && *cp1 == ':' &&
257 bcopy(cp1, cp, sz - (cp1 - cp) + 1);
267 * Convert "name irqN" to "name N" if the former is
268 * longer than the field width.
270 if ((cp1 = strstr(cp, "irq")) != NULL &&
272 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
277 nextintsrow = INTSROW + 2;
293 static int d_first = -1;
296 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
299 tp = localtime(&now);
300 (void) strftime(buf, sizeof(buf),
301 d_first ? "%e %b %R" : "%b %e %R", tp);
311 mvprintw(STATROW, STATCOL + 6, "users Load");
312 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
313 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
314 mvprintw(MEMROW + 2, MEMCOL, "Act");
315 mvprintw(MEMROW + 3, MEMCOL, "All");
317 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
319 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
320 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
321 mvprintw(PAGEROW + 2, PAGECOL, "count");
322 mvprintw(PAGEROW + 3, PAGECOL, "pages");
324 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
325 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
327 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow");
328 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod");
329 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod");
330 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod");
331 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr");
332 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr");
333 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr");
334 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react");
335 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak");
336 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs");
337 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn");
338 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire");
339 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act");
340 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact");
341 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache");
342 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free");
343 if (LINES - 1 > VMSTATROW + 16)
344 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf");
346 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
348 mvprintw(GRAPHROW, GRAPHCOL,
349 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
350 mvprintw(PROCSROW, PROCSCOL, "Proc:");
351 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
352 mvprintw(GRAPHROW + 1, GRAPHCOL,
353 "| | | | | | | | | | |");
355 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
356 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
357 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
358 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
360 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
361 mvprintw(NAMEIROW + 1, NAMEICOL,
362 " Calls hits %% hits %%");
363 mvprintw(DISKROW, DISKCOL, "Disks");
364 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
365 mvprintw(DISKROW + 2, DISKCOL, "tps");
366 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
367 mvprintw(DISKROW + 4, DISKCOL, "%%busy");
369 * For now, we don't support a fourth disk statistic. So there's
370 * no point in providing a label for it. If someone can think of a
371 * fourth useful disk statistic, there is room to add it.
373 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
375 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
376 if (dev_select[i].selected) {
378 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
379 dev_select[i].unit_number);
380 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
385 for (i = 0; i < nintr; i++) {
388 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
392 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
393 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
394 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
395 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
396 if(state == TIME) s1.nchstats.fld = t;}
397 #define PUTRATE(fld, l, c, w) \
400 putint((int)((float)s.fld/etime + 0.5), l, c, w); \
404 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
405 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
414 static int failcnt = 0;
417 for(i = 0; i < CPUSTATES; i++) {
422 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
423 if (failcnt++ >= MAXFAIL) {
425 mvprintw(2, 10, "The alternate system clock has died!");
426 mvprintw(3, 10, "Reverting to ``pigs'' display.");
439 for (i = 0; i < nintr; i++) {
440 if (s.intrcnt[i] == 0)
443 l = (int)((float)s.intrcnt[i]/etime + 0.5);
445 if (intrloc[i] == 0) {
446 if (nextintsrow == LINES)
448 intrloc[i] = nextintsrow++;
449 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
452 putint(l, intrloc[i], INTSCOL, 5);
454 putint(inttotal, INTSROW + 1, INTSCOL, 5);
455 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
456 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
457 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
458 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
460 s1.nchcount = s.nchcount;
464 for (lc = 0; lc < CPUSTATES; lc++) {
468 l = (int) ((f2 + 1.0) / 2.0) - psiz;
469 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
470 move(GRAPHROW + 2, psiz);
476 putint(ucount(), STATROW, STATCOL, 5);
477 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
478 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
479 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
480 mvaddstr(STATROW, STATCOL + 55, buf);
481 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
482 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
483 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
484 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
485 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
486 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
487 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
488 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
489 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
490 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
491 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
492 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
493 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
494 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
495 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
496 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
497 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
498 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8);
499 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
500 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1);
501 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2);
502 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
503 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8);
504 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8);
505 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8);
506 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8);
507 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8);
508 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8);
509 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8);
510 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8);
511 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8);
512 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8);
513 if (LINES - 1 > VMSTATROW + 16)
514 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8);
515 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
516 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
517 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
518 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
519 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
520 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
521 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
522 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
523 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
524 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
525 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
526 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
527 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
528 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
529 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
530 if (dev_select[i].selected) {
533 dinfo(i, ++lc, &cur, &last);
536 dinfo(i, ++lc, &cur, &run);
539 dinfo(i, ++lc, &cur, NULL);
543 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
544 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
545 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
546 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
547 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
548 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
549 NAMEIROW + 2, NAMEICOL + 9, 7);
550 #define nz(x) ((x) ? (x) : 1)
551 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
552 100.0 / nz(s.nchcount),
553 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
554 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
555 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
556 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
561 cmdkre(const char *cmd, const char *args)
565 if (prefix(cmd, "run")) {
568 switch (devstat_getdevs(NULL, &run)) {
570 errx(1, "%s", devstat_errbuf);
573 num_devices = run.dinfo->numdevs;
574 generation = run.dinfo->generation;
575 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
585 if (prefix(cmd, "boot")) {
590 if (prefix(cmd, "time")) {
594 if (prefix(cmd, "zero")) {
598 switch (devstat_getdevs(NULL, &run)) {
600 errx(1, "%s", devstat_errbuf);
603 num_devices = run.dinfo->numdevs;
604 generation = run.dinfo->generation;
605 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
615 retval = dscmd(cmd, args, MAXDRIVES, &cur);
623 /* calculate number of users on the system */
631 while ((ut = getutxent()) != NULL)
632 if (ut->ut_type == USER_PROCESS)
646 for (i = 0; i < CPUSTATES; i++)
650 return (s.time[indx] * 100.0 / lt);
654 putint(int n, int l, int lc, int w)
670 snr = snprintf(b, sizeof(b), "%*d", w, n);
672 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
674 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
684 putfloat(double f, int l, int lc, int w, int d, int nz)
695 if (nz && f == 0.0) {
700 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
702 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
712 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
723 if (nz && f == 0.0) {
728 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
730 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
740 getinfo(struct Info *ls)
742 struct devinfo *tmp_dinfo;
746 GETSYSCTL("kern.cp_time", ls->time);
747 GETSYSCTL("kern.cp_time", cur.cp_time);
748 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
749 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
750 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
751 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
752 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
753 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
754 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
755 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
756 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
757 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
758 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
759 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
760 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
761 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
762 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
763 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
764 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
765 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
766 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
767 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
768 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
769 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
770 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
771 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
772 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
773 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
774 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
775 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
776 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
777 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
778 GETSYSCTL("vfs.bufspace", ls->bufspace);
779 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
780 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
781 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
782 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
783 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
784 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
786 size = sizeof(ls->Total);
789 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
790 error("Can't get kernel info: %s\n", strerror(errno));
791 bzero(&ls->Total, sizeof(ls->Total));
794 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
795 size != sizeof(ncpu))
798 tmp_dinfo = last.dinfo;
799 last.dinfo = cur.dinfo;
800 cur.dinfo = tmp_dinfo;
802 last.snap_time = cur.snap_time;
803 switch (devstat_getdevs(NULL, &cur)) {
805 errx(1, "%s", devstat_errbuf);
808 num_devices = cur.dinfo->numdevs;
809 generation = cur.dinfo->generation;
810 cmdkre("refresh", NULL);
818 allocinfo(struct Info *ls)
821 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
822 if (ls->intrcnt == NULL)
823 errx(2, "out of memory");
827 copyinfo(struct Info *from, struct Info *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(int dn, int lc, struct statinfo *now, struct statinfo *then)
845 long double transfers_per_second;
846 long double kb_per_transfer, mb_per_second;
847 long double elapsed_time, device_busy;
850 di = dev_select[dn].position;
853 /* Calculate relative to previous sample */
854 elapsed_time = now->snap_time - then->snap_time;
856 /* Calculate relative to device creation */
857 elapsed_time = now->snap_time - devstat_compute_etime(
858 &now->dinfo->devices[di].creation_time, NULL);
861 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
862 &then->dinfo->devices[di] : NULL, elapsed_time,
863 DSM_KB_PER_TRANSFER, &kb_per_transfer,
864 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
865 DSM_MB_PER_SECOND, &mb_per_second,
866 DSM_BUSY_PCT, &device_busy,
868 errx(1, "%s", devstat_errbuf);
870 lc = DISKCOL + lc * 6;
871 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
872 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
873 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
874 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);