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vmstat.c (164718) vmstat.c (175387)
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
36__FBSDID("$FreeBSD: head/usr.bin/systat/vmstat.c 164718 2006-11-28 12:46:02Z ru $");
36__FBSDID("$FreeBSD: head/usr.bin/systat/vmstat.c 175387 2008-01-16 19:27:43Z delphij $");
37
38#ifdef lint
39static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40#endif
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */

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149static long *intrloc;
150static char **intrname;
151static int nextintsrow;
152
153struct utmp utmp;
154
155
156WINDOW *
37
38#ifdef lint
39static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40#endif
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */

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149static long *intrloc;
150static char **intrname;
151static int nextintsrow;
152
153struct utmp utmp;
154
155
156WINDOW *
157openkre()
157openkre(void)
158{
159
160 ut = open(_PATH_UTMP, O_RDONLY);
161 if (ut < 0)
162 error("No utmp");
163 return (stdscr);
164}
165
166void
158{
159
160 ut = open(_PATH_UTMP, O_RDONLY);
161 if (ut < 0)
162 error("No utmp");
163 return (stdscr);
164}
165
166void
167closekre(w)
168 WINDOW *w;
167closekre(WINDOW *w)
169{
170
171 (void) close(ut);
172 if (w == NULL)
173 return;
174 wclear(w);
175 wrefresh(w);
176}

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201#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
202#define DISKCOL 0
203
204#define DRIVESPACE 7 /* max # for space */
205
206#define MAXDRIVES DRIVESPACE /* max # to display */
207
208int
168{
169
170 (void) close(ut);
171 if (w == NULL)
172 return;
173 wclear(w);
174 wrefresh(w);
175}

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200#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
201#define DISKCOL 0
202
203#define DRIVESPACE 7 /* max # for space */
204
205#define MAXDRIVES DRIVESPACE /* max # to display */
206
207int
209initkre()
208initkre(void)
210{
211 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
212 int i;
213 size_t sz;
214
215 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
216 warnx("%s", devstat_errbuf);
217 return(0);

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291 allocinfo(&z);
292 }
293 getinfo(&s2);
294 copyinfo(&s2, &s1);
295 return(1);
296}
297
298void
209{
210 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
211 int i;
212 size_t sz;
213
214 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
215 warnx("%s", devstat_errbuf);
216 return(0);

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290 allocinfo(&z);
291 }
292 getinfo(&s2);
293 copyinfo(&s2, &s1);
294 return(1);
295}
296
297void
299fetchkre()
298fetchkre(void)
300{
301 time_t now;
302 struct tm *tp;
303 static int d_first = -1;
304
305 if (d_first < 0)
306 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
307
308 time(&now);
309 tp = localtime(&now);
310 (void) strftime(buf, sizeof(buf),
311 d_first ? "%e %b %R" : "%b %e %R", tp);
312 getinfo(&s);
313}
314
315void
299{
300 time_t now;
301 struct tm *tp;
302 static int d_first = -1;
303
304 if (d_first < 0)
305 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
306
307 time(&now);
308 tp = localtime(&now);
309 (void) strftime(buf, sizeof(buf),
310 d_first ? "%e %b %R" : "%b %e %R", tp);
311 getinfo(&s);
312}
313
314void
316labelkre()
315labelkre(void)
317{
318 int i, j;
319
320 clear();
321 mvprintw(STATROW, STATCOL + 6, "users Load");
322 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
323 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
324 mvprintw(MEMROW + 2, MEMCOL, "Act");

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411} while (0)
412#define MAXFAIL 5
413
414static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
415static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
416 CP_IDLE };
417
418void
316{
317 int i, j;
318
319 clear();
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");

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410} while (0)
411#define MAXFAIL 5
412
413static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
414static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
415 CP_IDLE };
416
417void
419showkre()
418showkre(void)
420{
421 float f1, f2;
422 int psiz, inttotal;
423 int i, l, lc;
424 static int failcnt = 0;
425
426 etime = 0;
427 for(i = 0; i < CPUSTATES; i++) {

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563 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
564 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
565 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
566 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
567#undef nz
568}
569
570int
419{
420 float f1, f2;
421 int psiz, inttotal;
422 int i, l, lc;
423 static int failcnt = 0;
424
425 etime = 0;
426 for(i = 0; i < CPUSTATES; i++) {

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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);
566#undef nz
567}
568
569int
571cmdkre(cmd, args)
572 const char *cmd, *args;
570cmdkre(const char *cmd, const char *args)
573{
574 int retval;
575
576 if (prefix(cmd, "run")) {
577 retval = 1;
578 copyinfo(&s2, &s1);
579 switch (devstat_getdevs(NULL, &run)) {
580 case -1:

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628 if (retval == 2)
629 labelkre();
630
631 return(retval);
632}
633
634/* calculate number of users on the system */
635static int
571{
572 int retval;
573
574 if (prefix(cmd, "run")) {
575 retval = 1;
576 copyinfo(&s2, &s1);
577 switch (devstat_getdevs(NULL, &run)) {
578 case -1:

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626 if (retval == 2)
627 labelkre();
628
629 return(retval);
630}
631
632/* calculate number of users on the system */
633static int
636ucount()
634ucount(void)
637{
638 int nusers = 0;
639
640 if (ut < 0)
641 return (0);
642 while (read(ut, &utmp, sizeof(utmp)))
643 if (utmp.ut_name[0] != '\0')
644 nusers++;
645
646 lseek(ut, 0L, L_SET);
647 return (nusers);
648}
649
650static float
635{
636 int nusers = 0;
637
638 if (ut < 0)
639 return (0);
640 while (read(ut, &utmp, sizeof(utmp)))
641 if (utmp.ut_name[0] != '\0')
642 nusers++;
643
644 lseek(ut, 0L, L_SET);
645 return (nusers);
646}
647
648static float
651cputime(indx)
652 int indx;
649cputime(int indx)
653{
654 double lt;
655 int i;
656
657 lt = 0;
658 for (i = 0; i < CPUSTATES; i++)
659 lt += s.time[i];
660 if (lt == 0.0)
661 lt = 1.0;
662 return (s.time[indx] * 100.0 / lt);
663}
664
665static void
650{
651 double lt;
652 int i;
653
654 lt = 0;
655 for (i = 0; i < CPUSTATES; i++)
656 lt += s.time[i];
657 if (lt == 0.0)
658 lt = 1.0;
659 return (s.time[indx] * 100.0 / lt);
660}
661
662static void
666putint(n, l, lc, w)
667 int n, l, lc, w;
663putint(int n, int l, int lc, int w)
668{
669 int snr;
670 char b[128];
671
672 move(l, lc);
673#ifdef DEBUG
674 while (w-- > 0)
675 addch('*');

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689 while (w-- > 0)
690 addch('*');
691 return;
692 }
693 addstr(b);
694}
695
696static void
664{
665 int snr;
666 char b[128];
667
668 move(l, lc);
669#ifdef DEBUG
670 while (w-- > 0)
671 addch('*');

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685 while (w-- > 0)
686 addch('*');
687 return;
688 }
689 addstr(b);
690}
691
692static void
697putfloat(f, l, lc, w, d, nz)
698 double f;
699 int l, lc, w, d, nz;
693putfloat(double f, int l, int lc, int w, int d, int nz)
700{
701 int snr;
702 char b[128];
703
704 move(l, lc);
705#ifdef DEBUG
706 while (--w >= 0)
707 addch('*');

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719 while (--w >= 0)
720 addch('*');
721 return;
722 }
723 addstr(b);
724}
725
726static void
694{
695 int snr;
696 char b[128];
697
698 move(l, lc);
699#ifdef DEBUG
700 while (--w >= 0)
701 addch('*');

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713 while (--w >= 0)
714 addch('*');
715 return;
716 }
717 addstr(b);
718}
719
720static void
727putlongdouble(f, l, lc, w, d, nz)
728 long double f;
729 int l, lc, w, d, nz;
721putlongdouble(long double f, int l, int lc, int w, int d, int nz)
730{
731 int snr;
732 char b[128];
733
734 move(l, lc);
735#ifdef DEBUG
736 while (--w >= 0)
737 addch('*');

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749 while (--w >= 0)
750 addch('*');
751 return;
752 }
753 addstr(b);
754}
755
756static void
722{
723 int snr;
724 char b[128];
725
726 move(l, lc);
727#ifdef DEBUG
728 while (--w >= 0)
729 addch('*');

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741 while (--w >= 0)
742 addch('*');
743 return;
744 }
745 addstr(b);
746}
747
748static void
757getinfo(ls)
758 struct Info *ls;
749getinfo(struct Info *ls)
759{
760 struct devinfo *tmp_dinfo;
761 size_t size;
762 int mib[2];
763
764 GETSYSCTL("kern.cp_time", ls->time);
765 GETSYSCTL("kern.cp_time", cur.cp_time);
766 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);

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828 cmdkre("refresh", NULL);
829 break;
830 default:
831 break;
832 }
833}
834
835static void
750{
751 struct devinfo *tmp_dinfo;
752 size_t size;
753 int mib[2];
754
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);

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819 cmdkre("refresh", NULL);
820 break;
821 default:
822 break;
823 }
824}
825
826static void
836allocinfo(ls)
837 struct Info *ls;
827allocinfo(struct Info *ls)
838{
839
840 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
841 if (ls->intrcnt == NULL)
842 errx(2, "out of memory");
843}
844
845static void
828{
829
830 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
831 if (ls->intrcnt == NULL)
832 errx(2, "out of memory");
833}
834
835static void
846copyinfo(from, to)
847 struct Info *from, *to;
836copyinfo(struct Info *from, struct Info *to)
848{
849 long *intrcnt;
850
851 /*
852 * time, wds, seek, and xfer are malloc'd so we have to
853 * save the pointers before the structure copy and then
854 * copy by hand.
855 */
856 intrcnt = to->intrcnt;
857 *to = *from;
858
859 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
860}
861
862static void
837{
838 long *intrcnt;
839
840 /*
841 * time, wds, seek, and xfer are malloc'd so we have to
842 * save the pointers before the structure copy and then
843 * copy by hand.
844 */
845 intrcnt = to->intrcnt;
846 *to = *from;
847
848 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
849}
850
851static void
863dinfo(dn, lc, now, then)
864 int dn, lc;
865 struct statinfo *now, *then;
852dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
866{
867 long double transfers_per_second;
868 long double kb_per_transfer, mb_per_second;
869 long double elapsed_time, device_busy;
870 int di;
871
872 di = dev_select[dn].position;
873

--- 24 unchanged lines hidden --- 		853{
854 long double transfers_per_second;
855 long double kb_per_transfer, mb_per_second;
856 long double elapsed_time, device_busy;
857 int di;
858
859 di = dev_select[dn].position;
860

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