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 static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
39 * Cursed vmstat -- from Robert Elz.
42 #include <sys/param.h>
43 #include <sys/dkstat.h>
49 #include <sys/namei.h>
50 #include <sys/sysctl.h>
73 struct nchstats nchstats;
81 #define nchtotal s.nchstats
82 #define oldnchtotal s1.nchstats
84 static enum state { BOOT, TIME, RUN } state = TIME;
86 static void allocinfo __P((struct Info *));
87 static void copyinfo __P((struct Info *, struct Info *));
88 static float cputime __P((int));
89 static void dinfo __P((int, int));
90 static void getinfo __P((struct Info *, enum state));
91 static void putint __P((int, int, int, int));
92 static void putfloat __P((double, int, int, int, int, int));
93 static int ucount __P((void));
101 static long *intrloc;
102 static char **intrname;
103 static int nextintsrow;
112 ut = open(_PATH_UTMP, O_RDONLY);
131 static struct nlist namelist[] = {
150 #define X_INTRNAMES 9
152 #define X_EINTRNAMES 10
156 #define X_EINTRCNT 12
162 * These constants define where the major pieces are laid out
164 #define STATROW 0 /* uses 1 row and 68 cols */
166 #define MEMROW 2 /* uses 4 rows and 31 cols */
168 #define PAGEROW 2 /* uses 4 rows and 26 cols */
170 #define INTSROW 2 /* uses all rows to bottom and 17 cols */
172 #define PROCSROW 7 /* uses 2 rows and 20 cols */
174 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
175 #define GENSTATCOL 20
176 #define VMSTATROW 7 /* uses 17 rows and 12 cols */
178 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
180 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
182 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
185 #define DRIVESPACE 9 /* max # for space */
187 #if DK_NDRIVE > DRIVESPACE
188 #define MAXDRIVES DRIVESPACE /* max # to display */
190 #define MAXDRIVES DK_NDRIVE /* max # to display */
196 char *intrnamebuf, *cp;
200 if (namelist[0].n_type == 0) {
201 if (kvm_nlist(kd, namelist)) {
205 if (namelist[0].n_type == 0) {
206 error("No namelist");
210 hertz = stathz ? stathz : hz;
213 if (dk_ndrive && !once) {
214 #define allocate(e, t) \
215 s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
216 s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
217 s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
218 z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
219 allocate(dk_time, long);
220 allocate(dk_wds, long);
221 allocate(dk_seek, long);
222 allocate(dk_xfer, long);
227 nintr = (namelist[X_EINTRCNT].n_value -
228 namelist[X_INTRCNT].n_value) / sizeof (long);
229 intrloc = calloc(nintr, sizeof (long));
230 intrname = calloc(nintr, sizeof (long));
231 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
232 namelist[X_INTRNAMES].n_value);
233 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
234 error("Out of memory\n");
244 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) -
246 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
248 cp += strlen(cp) + 1;
250 nextintsrow = INTSROW + 2;
267 strcpy(buf, ctime(&now));
278 mvprintw(STATROW, STATCOL + 4, "users Load");
279 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
280 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
281 mvprintw(MEMROW + 2, MEMCOL, "Act");
282 mvprintw(MEMROW + 3, MEMCOL, "All");
284 mvprintw(MEMROW + 1, MEMCOL + 31, "Free");
286 mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING ");
287 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
288 mvprintw(PAGEROW + 2, PAGECOL, "count");
289 mvprintw(PAGEROW + 3, PAGECOL, "pages");
291 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
292 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
294 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow");
295 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk");
296 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht");
297 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod");
298 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod");
299 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod");
300 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern");
301 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire");
302 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act");
303 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact");
304 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free");
305 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr");
306 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr");
307 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react");
308 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan");
309 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev");
310 if (LINES - 1 > VMSTATROW + 16)
311 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn");
313 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
315 mvprintw(GRAPHROW, GRAPHCOL,
316 " . %% Sys . %% User . %% Nice . %% Idle");
317 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
318 mvprintw(GRAPHROW + 1, GRAPHCOL,
319 "| | | | | | | | | | |");
321 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache");
322 mvprintw(NAMEIROW + 1, NAMEICOL,
323 " Calls hits %% hits %%");
324 mvprintw(DISKROW, DISKCOL, "Discs");
325 mvprintw(DISKROW + 1, DISKCOL, "seeks");
326 mvprintw(DISKROW + 2, DISKCOL, "xfers");
327 mvprintw(DISKROW + 3, DISKCOL, " blks");
328 mvprintw(DISKROW + 4, DISKCOL, " msps");
330 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
332 mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
333 " %3.3s", dr_name[j]);
336 for (i = 0; i < nintr; i++) {
339 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
343 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
344 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
345 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
346 if(state == TIME) s1.nchstats.fld = t;}
347 #define PUTRATE(fld, l, c, w) \
349 putint((int)((float)s.fld/etime + 0.5), l, c, w)
352 static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
353 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
361 static int failcnt = 0;
363 for (i = 0; i < dk_ndrive; i++) {
364 X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
367 for(i = 0; i < CPUSTATES; i++) {
371 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
372 if (failcnt++ >= MAXFAIL) {
374 mvprintw(2, 10, "The alternate system clock has died!");
375 mvprintw(3, 10, "Reverting to ``pigs'' display.");
387 for (i = 0; i < nintr; i++) {
388 if (s.intrcnt[i] == 0)
390 if (intrloc[i] == 0) {
391 if (nextintsrow == LINES)
393 intrloc[i] = nextintsrow++;
394 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
398 l = (int)((float)s.intrcnt[i]/etime + 0.5);
400 putint(l, intrloc[i], INTSCOL, 8);
402 putint(inttotal, INTSROW + 1, INTSCOL, 8);
403 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
404 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
405 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
406 nchtotal.ncs_miss + nchtotal.ncs_long;
408 s1.nchcount = s.nchcount;
414 * Last CPU state not calculated yet.
416 for (c = 0; c < CPUSTATES - 1; c++) {
420 l = (int) ((f2 + 1.0) / 2.0) - psiz;
422 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
424 putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
426 move(GRAPHROW + 2, psiz);
432 putint(ucount(), STATROW, STATCOL, 3);
433 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
434 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
435 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
436 mvaddstr(STATROW, STATCOL + 53, buf);
437 #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024)
438 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6);
439 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6);
440 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7);
441 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7);
442 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6);
443 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6);
444 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7);
445 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7);
446 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6);
447 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
448 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3);
449 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3);
450 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3);
451 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3);
452 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6);
453 PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6);
454 PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6);
455 PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5);
456 PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6);
457 putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod),
458 VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1);
459 putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9);
460 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9);
461 putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9);
462 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9);
463 putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9);
464 PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9);
465 PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9);
466 PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9);
467 PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9);
468 PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9);
469 if (LINES - 1 > VMSTATROW + 16)
470 PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9);
471 PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5);
472 PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5);
473 PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */
474 PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */
475 PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */
476 PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */
477 PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */
478 PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */
479 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
480 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
481 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
482 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
483 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
484 PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
485 mvprintw(DISKROW, DISKCOL + 5, " ");
486 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++)
488 mvprintw(DISKROW, DISKCOL + 5 + 5 * c,
489 " %3.3s", dr_name[i]);
492 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
493 putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9);
494 #define nz(x) ((x) ? (x) : 1)
495 putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
496 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
497 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
498 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
499 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1);
508 if (prefix(cmd, "run")) {
513 if (prefix(cmd, "boot")) {
518 if (prefix(cmd, "time")) {
522 if (prefix(cmd, "zero")) {
527 return (dkcmd(cmd, args));
530 /* calculate number of users on the system */
534 register int nusers = 0;
538 while (read(ut, &utmp, sizeof(utmp)))
539 if (utmp.ut_name[0] != '\0')
542 lseek(ut, 0L, L_SET);
554 for (i = 0; i < CPUSTATES; i++)
558 return (s.time[indx] * 100.0 / t);
573 sprintf(b, "%*d", w, n);
583 putfloat(f, l, c, w, d, nz)
590 if (nz && f == 0.0) {
595 sprintf(b, "%*.*f", w, d, f);
612 NREAD(X_CPTIME, s->time, sizeof s->time);
613 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt);
614 NREAD(X_DK_BUSY, &s->dk_busy, LONG);
615 NREAD(X_DK_TIME, s->dk_time, dk_ndrive * LONG);
616 NREAD(X_DK_XFER, s->dk_xfer, dk_ndrive * LONG);
617 NREAD(X_DK_WDS, s->dk_wds, dk_ndrive * LONG);
618 NREAD(X_DK_SEEK, s->dk_seek, dk_ndrive * LONG);
619 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
620 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
621 size = sizeof(s->Total);
624 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) {
625 error("Can't get kernel info: %s\n", strerror(errno));
626 bzero(&s->Total, sizeof(s->Total));
635 s->intrcnt = (long *) malloc(nintr * sizeof(long));
636 if (s->intrcnt == NULL) {
637 fprintf(stderr, "systat: out of memory\n");
644 register struct Info *from, *to;
646 long *time, *wds, *seek, *xfer;
650 * time, wds, seek, and xfer are malloc'd so we have to
651 * save the pointers before the structure copy and then
654 time = to->dk_time; wds = to->dk_wds; seek = to->dk_seek;
655 xfer = to->dk_xfer; intrcnt = to->intrcnt;
657 bcopy(from->dk_time, to->dk_time = time, dk_ndrive * sizeof (long));
658 bcopy(from->dk_wds, to->dk_wds = wds, dk_ndrive * sizeof (long));
659 bcopy(from->dk_seek, to->dk_seek = seek, dk_ndrive * sizeof (long));
660 bcopy(from->dk_xfer, to->dk_xfer = xfer, dk_ndrive * sizeof (long));
661 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
668 double words, atime, itime, xtime;
671 atime = s.dk_time[dn];
673 words = s.dk_wds[dn]*32.0; /* number of words transferred */
674 xtime = dk_mspw[dn]*words; /* transfer time */
675 itime = atime - xtime; /* time not transferring */
677 itime += xtime, xtime = 0;
679 xtime += itime, itime = 0;
680 putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
681 putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
682 putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5);
684 putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1);
686 putint(0, DISKROW + 4, c, 5);