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
35 * Cursed vmstat -- from Robert Elz.
39 #include <sys/param.h>
43 #include <sys/namei.h>
44 #include <sys/sysctl.h>
45 #include <sys/vmmeter.h>
47 #include <vm/vm_param.h>
62 #include "utmpentry.h"
69 struct kinfo_cputime cp_time;
73 struct nchstats nchstats;
84 struct kinfo_cputime cp_time, old_cp_time;
85 struct statinfo cur, last, run;
92 #define nchtotal s.nchstats
93 #define oldnchtotal s1.nchstats
95 static enum state { BOOT, TIME, RUN } state = TIME;
97 static void allocinfo(struct Info *);
98 static void copyinfo(struct Info *, struct Info *);
99 static void dinfo(int, int, struct statinfo *, struct statinfo *);
100 static void getinfo(struct Info *);
101 static void put64(int64_t, int, int, int, int);
102 static void putfloat(double, int, int, int, int, int);
103 static void putlongdouble(long double, int, int, int, int, int);
104 static void putlongdoublez(long double, int, int, int, int, int);
105 static int ucount(void);
112 static long *intrloc;
113 static char **intrname;
114 static int nextintsrow;
115 static int extended_vm_stats;
137 static struct nlist namelist[] = {
138 #define X_BUFFERSPACE 0
139 { .n_name = "_bufspace" },
141 { .n_name = "_nchstats" },
142 #define X_DESIREDVNODES 2
143 { .n_name = "_desiredvnodes" },
144 #define X_NUMVNODES 3
145 { .n_name = "_numvnodes" },
146 #define X_FREEVNODES 4
147 { .n_name = "_freevnodes" },
148 #define X_NUMDIRTYBUFFERS 5
149 { .n_name = "_dirtybufspace" },
154 * These constants define where the major pieces are laid out
156 #define STATROW 0 /* uses 1 row and 68 cols */
158 #define MEMROW 2 /* uses 4 rows and 31 cols */
160 #define PAGEROW 2 /* uses 4 rows and 26 cols */
162 #define INTSROW 6 /* uses all rows to bottom and 17 cols */
164 #define PROCSROW 7 /* uses 2 rows and 20 cols */
166 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
167 #define GENSTATCOL 16
168 #define VMSTATROW 6 /* uses 17 rows and 12 cols */
170 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
172 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
174 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */
177 #define DRIVESPACE 7 /* max # for space */
179 #define MAXDRIVES DRIVESPACE /* max # to display */
189 if (namelist[0].n_type == 0) {
190 if (kvm_nlist(kd, namelist)) {
194 if (namelist[0].n_type == 0) {
195 error("No namelist");
200 if ((num_devices = getnumdevs()) < 0) {
201 warnx("%s", devstat_errbuf);
205 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
206 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
207 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
208 bzero(cur.dinfo, sizeof(struct devinfo));
209 bzero(last.dinfo, sizeof(struct devinfo));
210 bzero(run.dinfo, sizeof(struct devinfo));
212 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
216 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
217 intrnamebuf = malloc(bytes);
218 sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
220 for (i = 0; i < bytes; ++i) {
221 if (intrnamebuf[i] == 0)
224 intrname = malloc(nintr * sizeof(char *));
225 intrloc = malloc(nintr * sizeof(*intrloc));
227 for (b = i = 0; i < bytes; ++i) {
228 if (intrnamebuf[i] == 0) {
229 intrname[nintr] = intrnamebuf + b;
236 nextintsrow = INTSROW + 2;
252 static int d_first = -1;
255 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
258 tp = localtime(&now);
259 (void) strftime(buf, sizeof(buf),
260 d_first ? "%e %b %R" : "%b %e %R", tp);
270 mvprintw(STATROW, STATCOL + 4, "users Load");
271 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL");
272 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
273 mvprintw(MEMROW + 2, MEMCOL, "Act");
274 mvprintw(MEMROW + 3, MEMCOL, "All");
276 mvprintw(MEMROW + 1, MEMCOL + 36, "Free");
278 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
279 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
280 mvprintw(PAGEROW + 2, PAGECOL, "count");
281 mvprintw(PAGEROW + 3, PAGECOL, "pages");
283 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
284 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
286 mvprintw(VMSTATROW + 1, VMSTATCOL + 8, "cow");
287 mvprintw(VMSTATROW + 2, VMSTATCOL + 8, "wire");
288 mvprintw(VMSTATROW + 3, VMSTATCOL + 8, "act");
289 mvprintw(VMSTATROW + 4, VMSTATCOL + 8, "inact");
290 mvprintw(VMSTATROW + 5, VMSTATCOL + 8, "cache");
291 mvprintw(VMSTATROW + 6, VMSTATCOL + 8, "free");
292 mvprintw(VMSTATROW + 7, VMSTATCOL + 8, "daefr");
293 mvprintw(VMSTATROW + 8, VMSTATCOL + 8, "prcfr");
294 mvprintw(VMSTATROW + 9, VMSTATCOL + 8, "react");
295 mvprintw(VMSTATROW + 10, VMSTATCOL + 8, "pdwake");
296 mvprintw(VMSTATROW + 11, VMSTATCOL + 8, "pdpgs");
297 mvprintw(VMSTATROW + 12, VMSTATCOL + 8, "intrn");
298 mvprintw(VMSTATROW + 13, VMSTATCOL + 8, "buf");
299 mvprintw(VMSTATROW + 14, VMSTATCOL + 8, "dirtybuf");
301 mvprintw(VMSTATROW + 15, VMSTATCOL + 8, "desiredvnodes");
302 mvprintw(VMSTATROW + 16, VMSTATCOL + 8, "numvnodes");
303 mvprintw(VMSTATROW + 17, VMSTATCOL + 8, "freevnodes");
305 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
307 mvprintw(GRAPHROW, GRAPHCOL,
308 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
309 mvprintw(PROCSROW, PROCSCOL, " r p d s w");
310 mvprintw(GRAPHROW + 1, GRAPHCOL,
311 "| | | | | | | | | | |");
313 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components");
314 mvprintw(DISKROW, DISKCOL, "Disks");
315 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
316 mvprintw(DISKROW + 2, DISKCOL, "tpr/s");
317 mvprintw(DISKROW + 3, DISKCOL, "MBr/s");
318 mvprintw(DISKROW + 4, DISKCOL, "tpw/s");
319 mvprintw(DISKROW + 5, DISKCOL, "MBw/s");
320 mvprintw(DISKROW + 6, DISKCOL, "%% busy");
322 * For now, we don't support a fourth disk statistic. So there's
323 * no point in providing a label for it. If someone can think of a
324 * fourth useful disk statistic, there is room to add it.
327 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
328 if (dev_select[i].selected) {
330 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
331 dev_select[i].unit_number);
332 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
339 * room for extended VM stats
341 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
342 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod");
343 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z");
344 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
345 extended_vm_stats = 1;
347 extended_vm_stats = 0;
348 mvprintw(VMSTATROW + 0, VMSTATCOL + 8, "zfod");
351 for (i = 0; i < nintr; i++) {
354 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
358 #define CP_UPDATE(fld) do { \
370 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
371 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
372 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
373 if(state == TIME) s1.nchstats.fld = t;}
374 #define PUTRATE(fld, l, c, w) \
376 put64((int64_t)((float)s.fld/etime + 0.5), l, c, w, 'D')
380 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' };
382 static const size_t cpuoffsets[] = {
383 offsetof(struct kinfo_cputime, cp_sys),
384 offsetof(struct kinfo_cputime, cp_intr),
385 offsetof(struct kinfo_cputime, cp_user),
386 offsetof(struct kinfo_cputime, cp_nice),
387 offsetof(struct kinfo_cputime, cp_idle)
398 static int failcnt = 0;
402 CP_UPDATE(cp_time.cp_user);
403 CP_UPDATE(cp_time.cp_nice);
404 CP_UPDATE(cp_time.cp_sys);
405 CP_UPDATE(cp_time.cp_intr);
406 CP_UPDATE(cp_time.cp_idle);
409 if (total_time == 0.0)
412 if (etime < 100000.0) { /* < 100ms ignore this trash */
413 if (failcnt++ >= MAXFAIL) {
415 mvprintw(2, 10, "The alternate system clock has died!");
416 mvprintw(3, 10, "Reverting to ``pigs'' display.");
431 for (i = 0; i < nintr; i++) {
432 if (s.intrcnt[i] == 0)
434 if (intrloc[i] == 0) {
435 if (nextintsrow == LINES)
437 intrloc[i] = nextintsrow++;
438 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
442 l = (long)((float)s.intrcnt[i]/etime + 0.5);
444 put64(l, intrloc[i], INTSCOL + 2, 6, 'D');
446 put64(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D');
447 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
448 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits);
449 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
450 nchtotal.ncs_miss + nchtotal.ncs_neghits;
451 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss;
453 s1.nchcount = s.nchcount;
454 s1.nchpathcount = s.nchpathcount;
459 for (lc = 0; lc < CPUSTATES; lc++) {
460 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) +
462 f1 = 100.0 * val / total_time;
464 l = (int) ((f2 + 1.0) / 2.0) - psiz;
466 f1 = 99.9; /* no room to display 100.0 */
467 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
468 move(GRAPHROW + 2, psiz);
474 put64(ucount(), STATROW, STATCOL, 3, 'D');
475 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0);
476 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0);
477 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0);
478 mvaddstr(STATROW, STATCOL + 53, buf);
479 #define pgtokb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / 1024)
480 #define pgtomb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024))
481 #define pgtob(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size)
482 put64(pgtob(total.t_arm), MEMROW + 2, MEMCOL + 4, 6, 0);
483 put64(pgtob(total.t_armshr), MEMROW + 2, MEMCOL + 11, 6, 0);
484 put64(pgtob(total.t_avm), MEMROW + 2, MEMCOL + 19, 6, 0);
485 put64(pgtob(total.t_avmshr), MEMROW + 2, MEMCOL + 26, 6, 0);
486 put64(pgtob(total.t_rm), MEMROW + 3, MEMCOL + 4, 6, 0);
487 put64(pgtob(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 6, 0);
488 put64(pgtob(total.t_vm), MEMROW + 3, MEMCOL + 19, 6, 0);
489 put64(pgtob(total.t_vmshr), MEMROW + 3, MEMCOL + 26, 6, 0);
490 put64(pgtob(total.t_free), MEMROW + 2, MEMCOL + 34, 6, 0);
491 put64(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D');
492 put64(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D');
493 put64(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D');
494 put64(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D');
495 put64(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D');
496 if (extended_vm_stats == 0) {
497 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL, 7);
499 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL, 7);
500 put64(pgtob(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 7, 0);
501 put64(pgtob(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 7, 0);
502 put64(pgtob(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 7, 0);
503 put64(pgtob(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 7, 0);
504 put64(pgtob(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 7, 0);
505 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 7);
506 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 7);
507 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 7);
508 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 7);
509 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 7);
510 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 7);
512 if (extended_vm_stats) {
513 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
514 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
515 #define nz(x) ((x) ? (x) : 1)
516 put64((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod),
517 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D');
519 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
522 put64(s.bufspace, VMSTATROW + 13, VMSTATCOL, 7, 0);
523 put64(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 7, 'k');
524 put64(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 7, 'D');
525 put64(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 7, 'D');
526 put64(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 7, 'D');
527 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 6, 4);
528 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 11, 4);
529 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 18, 4);
530 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 23, 4);
531 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 4);
532 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 11, 4);
533 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 18, 4);
534 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 23, 4);
535 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4);
536 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4);
537 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4);
538 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4);
539 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4);
540 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4);
541 mvprintw(DISKROW, DISKCOL + 5, " ");
542 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
543 if (dev_select[i].selected) {
545 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
546 dev_select[i].unit_number);
547 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
551 dinfo(i, ++lc, &cur, &last);
554 dinfo(i, ++lc, &cur, &run);
557 dinfo(i, ++lc, &cur, NULL);
561 #define nz(x) ((x) ? (x) : 1)
562 put64(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 3, 9, 'D');
564 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D');
565 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount),
566 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0);
568 putfloat((double)s.nchcount / nz(s.nchpathcount),
569 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1);
574 cmdkre(const char *cmd, char *args)
578 if (prefix(cmd, "run")) {
581 switch (getdevs(&run)) {
583 errx(1, "%s", devstat_errbuf);
586 num_devices = run.dinfo->numdevs;
587 generation = run.dinfo->generation;
588 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
598 if (prefix(cmd, "boot")) {
603 if (prefix(cmd, "time")) {
607 if (prefix(cmd, "zero")) {
611 switch (getdevs(&run)) {
613 errx(1, "%s", devstat_errbuf);
616 num_devices = run.dinfo->numdevs;
617 generation = run.dinfo->generation;
618 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
628 retval = dscmd(cmd, args, MAXDRIVES, &cur);
636 /* calculate number of users on the system */
640 struct utmpentry *ep;
643 getutentries(NULL, &ep);
644 for (; ep; ep = ep->next)
651 put64(intmax_t n, int l, int lc, int w, int type)
665 if (type == 0 || type == 'D')
666 snprintf(b, sizeof(b), "%*jd", w, n);
668 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type);
669 if (strlen(b) <= (size_t)w) {
685 for (d = 1; n / d >= 1000; d *= u) {
712 else if (n / d >= 10)
717 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c",
718 n / d, n / (d / 1000) % 1000, type);
720 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c",
721 n / d, n / (d / 100) % 100, type);
723 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c",
724 n / d, n / (d / 10) % 10, type);
726 snprintf(b + 64, sizeof(b) - 64, "%jd%c",
743 putfloat(double f, int l, int lc, int w, int d, int nz)
748 if (nz && f == 0.0) {
753 snprintf(b, sizeof(b), "%*.*f", w, d, f);
754 if (strlen(b) > (size_t)w)
755 snprintf(b, sizeof(b), "%*.0f", w, f);
756 if (strlen(b) > (size_t)w) {
765 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
770 if (nz && f == 0.0) {
775 sprintf(b, "%*.*Lf", w, d, f);
776 if (strlen(b) > (size_t)w)
777 sprintf(b, "%*.0Lf", w, f);
778 if (strlen(b) > (size_t)w) {
787 putlongdoublez(long double f, int l, int lc, int w, int d, int nz)
793 sprintf(b, "%*.*s", w, w, "");
796 putlongdouble(f, l, lc, w, d, nz);
801 getinfo(struct Info *ls)
803 struct devinfo *tmp_dinfo;
804 struct nchstats *nch_tmp;
806 size_t vms_size = sizeof(ls->Vms);
807 size_t vmm_size = sizeof(ls->Vmm);
808 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
810 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
811 perror("sysctlbyname: vm.vmstats");
814 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
815 perror("sysctlbyname: vm.vmstats");
819 if (kinfo_get_sched_cputime(&ls->cp_time))
820 err(1, "kinfo_get_sched_cputime");
821 if (kinfo_get_sched_cputime(&cp_time))
822 err(1, "kinfo_get_sched_cputime");
823 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
824 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes));
825 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes));
826 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes));
827 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
830 size = nintr * sizeof(ls->intrcnt[0]);
831 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0);
833 size = sizeof(ls->Total);
834 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
835 error("Can't get kernel info: %s\n", strerror(errno));
836 bzero(&ls->Total, sizeof(ls->Total));
839 if ((nch_tmp = malloc(nch_size)) == NULL) {
843 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
844 perror("sysctlbyname vfs.cache.nchstats");
848 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
855 if (kinfo_get_cpus(&ncpu))
856 err(1, "kinfo_get_cpus");
857 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
860 tmp_dinfo = last.dinfo;
861 last.dinfo = cur.dinfo;
862 cur.dinfo = tmp_dinfo;
864 last.busy_time = cur.busy_time;
865 switch (getdevs(&cur)) {
867 errx(1, "%s", devstat_errbuf);
870 num_devices = cur.dinfo->numdevs;
871 generation = cur.dinfo->generation;
872 cmdkre("refresh", NULL);
880 allocinfo(struct Info *ls)
882 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
883 if (ls->intrcnt == NULL)
884 errx(2, "out of memory");
888 copyinfo(struct Info *from, struct Info *to)
893 * time, wds, seek, and xfer are malloc'd so we have to
894 * save the pointers before the structure copy and then
897 intrcnt = to->intrcnt;
900 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
904 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
906 long double kb_per_transfer;
907 long double transfers_per_secondr;
908 long double transfers_per_secondw;
909 long double mb_per_secondr;
910 long double mb_per_secondw;
911 long double elapsed_time, device_busy;
914 di = dev_select[dn].position;
916 elapsed_time = compute_etime(now->busy_time, then ?
918 now->dinfo->devices[di].dev_creation_time);
920 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
921 then->dinfo->devices[di].busy_time :
922 now->dinfo->devices[di].dev_creation_time);
925 &now->dinfo->devices[di],
926 (then ? &then->dinfo->devices[di] : NULL),
933 errx(1, "%s", devstat_errbuf);
935 if (compute_stats_read(
936 &now->dinfo->devices[di],
937 (then ? &then->dinfo->devices[di] : NULL),
941 &transfers_per_secondr,
944 errx(1, "%s", devstat_errbuf);
946 if (compute_stats_write(
947 &now->dinfo->devices[di],
948 (then ? &then->dinfo->devices[di] : NULL),
952 &transfers_per_secondw,
955 errx(1, "%s", devstat_errbuf);
957 if ((device_busy == 0) &&
958 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) {
959 /* the device has been 100% busy, fake it because
960 * as long as the device is 100% busy the busy_time
961 * field in the devstat struct is not updated */
962 device_busy = elapsed_time;
964 if (device_busy > elapsed_time) {
965 /* this normally happens after one or more periods
966 * where the device has been 100% busy, correct it */
967 device_busy = elapsed_time;
970 lc = DISKCOL + lc * 6;
971 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
972 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0);
973 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0);
974 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0);
975 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0);
976 putlongdouble(device_busy * 100 / elapsed_time,
977 DISKROW + 6, lc, 5, 0, 0);