691 lines
18 KiB
C
691 lines
18 KiB
C
/*-
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* Copyright (c) 1983, 1989, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
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#endif /* not lint */
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/*
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* Cursed vmstat -- from Robert Elz.
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*/
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#include <sys/param.h>
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#include <sys/dkstat.h>
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#include <sys/buf.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/user.h>
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#include <sys/proc.h>
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#include <sys/namei.h>
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#include <sys/sysctl.h>
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#include <vm/vm.h>
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#include <signal.h>
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#include <nlist.h>
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#include <ctype.h>
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#include <utmp.h>
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#include <paths.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "systat.h"
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#include "extern.h"
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static struct Info {
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long time[CPUSTATES];
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struct vmmeter Cnt;
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struct vmtotal Total;
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long *dk_time;
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long *dk_wds;
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long *dk_seek;
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long *dk_xfer;
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int dk_busy;
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struct nchstats nchstats;
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long nchcount;
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long *intrcnt;
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} s, s1, s2, z;
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#define cnt s.Cnt
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#define oldcnt s1.Cnt
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#define total s.Total
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#define nchtotal s.nchstats
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#define oldnchtotal s1.nchstats
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static enum state { BOOT, TIME, RUN } state = TIME;
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static void allocinfo __P((struct Info *));
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static void copyinfo __P((struct Info *, struct Info *));
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static float cputime __P((int));
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static void dinfo __P((int, int));
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static void getinfo __P((struct Info *, enum state));
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static void putint __P((int, int, int, int));
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static void putfloat __P((double, int, int, int, int, int));
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static int ucount __P((void));
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static int ut;
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static char buf[26];
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static time_t t;
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static double etime;
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static float hertz;
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static int nintr;
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static long *intrloc;
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static char **intrname;
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static int nextintsrow;
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struct utmp utmp;
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WINDOW *
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openkre()
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{
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ut = open(_PATH_UTMP, O_RDONLY);
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if (ut < 0)
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error("No utmp");
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return (stdscr);
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}
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void
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closekre(w)
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WINDOW *w;
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{
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(void) close(ut);
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if (w == NULL)
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return;
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wclear(w);
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wrefresh(w);
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}
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static struct nlist namelist[] = {
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#define X_CPTIME 0
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{ "_cp_time" },
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#define X_CNT 1
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{ "_cnt" },
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#define X_TOTAL 2
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{ "_total" },
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#define X_DK_BUSY 3
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{ "_dk_busy" },
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#define X_DK_TIME 4
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{ "_dk_time" },
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#define X_DK_XFER 5
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{ "_dk_xfer" },
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#define X_DK_WDS 6
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{ "_dk_wds" },
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#define X_DK_SEEK 7
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{ "_dk_seek" },
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#define X_NCHSTATS 8
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{ "_nchstats" },
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#define X_INTRNAMES 9
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{ "_intrnames" },
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#define X_EINTRNAMES 10
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{ "_eintrnames" },
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#define X_INTRCNT 11
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{ "_intrcnt" },
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#define X_EINTRCNT 12
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{ "_eintrcnt" },
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{ "" },
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};
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/*
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* These constants define where the major pieces are laid out
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*/
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#define STATROW 0 /* uses 1 row and 68 cols */
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#define STATCOL 2
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#define MEMROW 2 /* uses 4 rows and 31 cols */
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#define MEMCOL 0
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#define PAGEROW 2 /* uses 4 rows and 26 cols */
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#define PAGECOL 36
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#define INTSROW 2 /* uses all rows to bottom and 17 cols */
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#define INTSCOL 63
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#define PROCSROW 7 /* uses 2 rows and 20 cols */
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#define PROCSCOL 0
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#define GENSTATROW 7 /* uses 2 rows and 30 cols */
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#define GENSTATCOL 20
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#define VMSTATROW 7 /* uses 17 rows and 12 cols */
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#define VMSTATCOL 48
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#define GRAPHROW 10 /* uses 3 rows and 51 cols */
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#define GRAPHCOL 0
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#define NAMEIROW 14 /* uses 3 rows and 38 cols */
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#define NAMEICOL 0
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#define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
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#define DISKCOL 0
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#define DRIVESPACE 9 /* max # for space */
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#if DK_NDRIVE > DRIVESPACE
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#define MAXDRIVES DRIVESPACE /* max # to display */
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#else
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#define MAXDRIVES DK_NDRIVE /* max # to display */
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#endif
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int
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initkre()
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{
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char *intrnamebuf, *cp;
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int i;
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static int once = 0;
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if (namelist[0].n_type == 0) {
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if (kvm_nlist(kd, namelist)) {
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nlisterr(namelist);
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return(0);
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}
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if (namelist[0].n_type == 0) {
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error("No namelist");
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return(0);
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}
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}
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hertz = stathz ? stathz : hz;
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if (! dkinit())
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return(0);
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if (dk_ndrive && !once) {
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#define allocate(e, t) \
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s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
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s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
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s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
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z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
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allocate(dk_time, long);
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allocate(dk_wds, long);
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allocate(dk_seek, long);
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allocate(dk_xfer, long);
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once = 1;
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#undef allocate
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}
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if (nintr == 0) {
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nintr = (namelist[X_EINTRCNT].n_value -
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namelist[X_INTRCNT].n_value) / sizeof (long);
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intrloc = calloc(nintr, sizeof (long));
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intrname = calloc(nintr, sizeof (long));
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intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
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namelist[X_INTRNAMES].n_value);
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if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
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error("Out of memory\n");
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if (intrnamebuf)
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free(intrnamebuf);
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if (intrname)
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free(intrname);
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if (intrloc)
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free(intrloc);
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nintr = 0;
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return(0);
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}
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NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) -
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NVAL(X_INTRNAMES));
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for (cp = intrnamebuf, i = 0; i < nintr; i++) {
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intrname[i] = cp;
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cp += strlen(cp) + 1;
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}
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nextintsrow = INTSROW + 2;
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allocinfo(&s);
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allocinfo(&s1);
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allocinfo(&s2);
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allocinfo(&z);
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}
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getinfo(&s2, RUN);
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copyinfo(&s2, &s1);
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return(1);
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}
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void
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fetchkre()
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{
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time_t now;
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time(&now);
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strcpy(buf, ctime(&now));
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buf[16] = '\0';
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getinfo(&s, state);
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}
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void
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labelkre()
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{
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register int i, j;
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clear();
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mvprintw(STATROW, STATCOL + 4, "users Load");
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mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
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mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
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mvprintw(MEMROW + 2, MEMCOL, "Act");
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mvprintw(MEMROW + 3, MEMCOL, "All");
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mvprintw(MEMROW + 1, MEMCOL + 31, "Free");
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mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING ");
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mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
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mvprintw(PAGEROW + 2, PAGECOL, "count");
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mvprintw(PAGEROW + 3, PAGECOL, "pages");
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mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
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mvprintw(INTSROW + 1, INTSCOL + 9, "total");
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mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow");
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mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk");
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mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht");
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mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod");
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mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod");
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mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod");
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mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern");
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mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire");
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mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act");
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mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact");
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mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free");
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mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr");
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mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr");
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mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react");
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mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan");
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mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev");
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if (LINES - 1 > VMSTATROW + 16)
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mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn");
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mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
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mvprintw(GRAPHROW, GRAPHCOL,
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" . %% Sys . %% User . %% Nice . %% Idle");
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mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
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mvprintw(GRAPHROW + 1, GRAPHCOL,
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"| | | | | | | | | | |");
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mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache");
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mvprintw(NAMEIROW + 1, NAMEICOL,
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" Calls hits %% hits %%");
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mvprintw(DISKROW, DISKCOL, "Discs");
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mvprintw(DISKROW + 1, DISKCOL, "seeks");
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mvprintw(DISKROW + 2, DISKCOL, "xfers");
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mvprintw(DISKROW + 3, DISKCOL, " blks");
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mvprintw(DISKROW + 4, DISKCOL, " msps");
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j = 0;
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for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
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if (dk_select[i]) {
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mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
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" %3.3s", dr_name[j]);
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j++;
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}
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for (i = 0; i < nintr; i++) {
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if (intrloc[i] == 0)
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continue;
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mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
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}
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}
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#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
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#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
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#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
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if(state == TIME) s1.nchstats.fld = t;}
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#define PUTRATE(fld, l, c, w) \
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Y(fld); \
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putint((int)((float)s.fld/etime + 0.5), l, c, w)
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#define MAXFAIL 5
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static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
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static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
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void
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showkre()
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{
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float f1, f2;
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int psiz, inttotal;
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int i, l, c;
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static int failcnt = 0;
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for (i = 0; i < dk_ndrive; i++) {
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X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
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}
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etime = 0;
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for(i = 0; i < CPUSTATES; i++) {
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X(time);
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etime += s.time[i];
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}
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if (etime < 5.0) { /* < 5 ticks - ignore this trash */
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if (failcnt++ >= MAXFAIL) {
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clear();
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mvprintw(2, 10, "The alternate system clock has died!");
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mvprintw(3, 10, "Reverting to ``pigs'' display.");
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move(CMDLINE, 0);
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refresh();
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failcnt = 0;
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sleep(5);
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command("pigs");
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}
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return;
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}
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failcnt = 0;
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etime /= hertz;
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inttotal = 0;
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for (i = 0; i < nintr; i++) {
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if (s.intrcnt[i] == 0)
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continue;
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if (intrloc[i] == 0) {
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if (nextintsrow == LINES)
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continue;
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intrloc[i] = nextintsrow++;
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mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
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intrname[i]);
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}
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X(intrcnt);
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l = (int)((float)s.intrcnt[i]/etime + 0.5);
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inttotal += l;
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putint(l, intrloc[i], INTSCOL, 8);
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}
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putint(inttotal, INTSROW + 1, INTSCOL, 8);
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Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
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Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
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s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
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nchtotal.ncs_miss + nchtotal.ncs_long;
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if (state == TIME)
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s1.nchcount = s.nchcount;
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psiz = 0;
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f2 = 0.0;
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/*
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* Last CPU state not calculated yet.
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*/
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for (c = 0; c < CPUSTATES - 1; c++) {
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i = cpuorder[c];
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f1 = cputime(i);
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f2 += f1;
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l = (int) ((f2 + 1.0) / 2.0) - psiz;
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if (c == 0)
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putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
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else
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putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
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5, 1, 0);
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move(GRAPHROW + 2, psiz);
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psiz += l;
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while (l-- > 0)
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addch(cpuchar[c]);
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}
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putint(ucount(), STATROW, STATCOL, 3);
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putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
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putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
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putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
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mvaddstr(STATROW, STATCOL + 53, buf);
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#define pgtokb(pg) ((pg) * cnt.v_page_size / 1024)
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putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6);
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putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6);
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putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7);
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putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7);
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putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6);
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putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6);
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putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7);
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putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7);
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putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6);
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putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
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putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3);
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putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3);
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putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3);
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putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3);
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PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6);
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PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6);
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PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6);
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PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5);
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PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6);
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{
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unsigned long tot = cnt.v_zfod + cnt.v_nzfod;
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putfloat(tot == 0 ? 0.0 : (100.0 * cnt.v_zfod / tot),
|
|
VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1);
|
|
}
|
|
putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9);
|
|
putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9);
|
|
putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9);
|
|
putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9);
|
|
putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9);
|
|
if (LINES - 1 > VMSTATROW + 16)
|
|
PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9);
|
|
PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5);
|
|
PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5);
|
|
PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */
|
|
PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */
|
|
PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */
|
|
PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */
|
|
PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */
|
|
PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */
|
|
PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
|
|
PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
|
|
PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
|
|
PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
|
|
PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
|
|
PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
|
|
mvprintw(DISKROW, DISKCOL + 5, " ");
|
|
for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++)
|
|
if (dk_select[i]) {
|
|
mvprintw(DISKROW, DISKCOL + 5 + 5 * c,
|
|
" %3.3s", dr_name[i]);
|
|
dinfo(i, ++c);
|
|
}
|
|
putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
|
|
putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9);
|
|
#define nz(x) ((x) ? (x) : 1)
|
|
putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
|
|
NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
|
|
putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
|
|
putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
|
|
NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1);
|
|
#undef nz
|
|
}
|
|
|
|
int
|
|
cmdkre(cmd, args)
|
|
char *cmd, *args;
|
|
{
|
|
|
|
if (prefix(cmd, "run")) {
|
|
copyinfo(&s2, &s1);
|
|
state = RUN;
|
|
return (1);
|
|
}
|
|
if (prefix(cmd, "boot")) {
|
|
state = BOOT;
|
|
copyinfo(&z, &s1);
|
|
return (1);
|
|
}
|
|
if (prefix(cmd, "time")) {
|
|
state = TIME;
|
|
return (1);
|
|
}
|
|
if (prefix(cmd, "zero")) {
|
|
if (state == RUN)
|
|
getinfo(&s1, RUN);
|
|
return (1);
|
|
}
|
|
return (dkcmd(cmd, args));
|
|
}
|
|
|
|
/* calculate number of users on the system */
|
|
static int
|
|
ucount()
|
|
{
|
|
register int nusers = 0;
|
|
|
|
if (ut < 0)
|
|
return (0);
|
|
while (read(ut, &utmp, sizeof(utmp)))
|
|
if (utmp.ut_name[0] != '\0')
|
|
nusers++;
|
|
|
|
lseek(ut, 0L, L_SET);
|
|
return (nusers);
|
|
}
|
|
|
|
static float
|
|
cputime(indx)
|
|
int indx;
|
|
{
|
|
double t;
|
|
register int i;
|
|
|
|
t = 0;
|
|
for (i = 0; i < CPUSTATES; i++)
|
|
t += s.time[i];
|
|
if (t == 0.0)
|
|
t = 1.0;
|
|
return (s.time[indx] * 100.0 / t);
|
|
}
|
|
|
|
static void
|
|
putint(n, l, c, w)
|
|
int n, l, c, w;
|
|
{
|
|
char b[128];
|
|
|
|
move(l, c);
|
|
if (n == 0) {
|
|
while (w-- > 0)
|
|
addch(' ');
|
|
return;
|
|
}
|
|
sprintf(b, "%*d", w, n);
|
|
if (strlen(b) > w) {
|
|
while (w-- > 0)
|
|
addch('*');
|
|
return;
|
|
}
|
|
addstr(b);
|
|
}
|
|
|
|
static void
|
|
putfloat(f, l, c, w, d, nz)
|
|
double f;
|
|
int l, c, w, d, nz;
|
|
{
|
|
char b[128];
|
|
|
|
move(l, c);
|
|
if (nz && f == 0.0) {
|
|
while (--w >= 0)
|
|
addch(' ');
|
|
return;
|
|
}
|
|
sprintf(b, "%*.*f", w, d, f);
|
|
if (strlen(b) > w) {
|
|
while (--w >= 0)
|
|
addch('*');
|
|
return;
|
|
}
|
|
addstr(b);
|
|
}
|
|
|
|
static void
|
|
getinfo(s, st)
|
|
struct Info *s;
|
|
enum state st;
|
|
{
|
|
int mib[2], size;
|
|
extern int errno;
|
|
|
|
NREAD(X_CPTIME, s->time, sizeof s->time);
|
|
NREAD(X_CNT, &s->Cnt, sizeof s->Cnt);
|
|
NREAD(X_DK_BUSY, &s->dk_busy, LONG);
|
|
NREAD(X_DK_TIME, s->dk_time, dk_ndrive * LONG);
|
|
NREAD(X_DK_XFER, s->dk_xfer, dk_ndrive * LONG);
|
|
NREAD(X_DK_WDS, s->dk_wds, dk_ndrive * LONG);
|
|
NREAD(X_DK_SEEK, s->dk_seek, dk_ndrive * LONG);
|
|
NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
|
|
NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
|
|
size = sizeof(s->Total);
|
|
mib[0] = CTL_VM;
|
|
mib[1] = VM_METER;
|
|
if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) {
|
|
error("Can't get kernel info: %s\n", strerror(errno));
|
|
bzero(&s->Total, sizeof(s->Total));
|
|
}
|
|
}
|
|
|
|
static void
|
|
allocinfo(s)
|
|
struct Info *s;
|
|
{
|
|
|
|
s->intrcnt = (long *) malloc(nintr * sizeof(long));
|
|
if (s->intrcnt == NULL) {
|
|
fprintf(stderr, "systat: out of memory\n");
|
|
exit(2);
|
|
}
|
|
}
|
|
|
|
static void
|
|
copyinfo(from, to)
|
|
register struct Info *from, *to;
|
|
{
|
|
long *time, *wds, *seek, *xfer;
|
|
long *intrcnt;
|
|
|
|
/*
|
|
* time, wds, seek, and xfer are malloc'd so we have to
|
|
* save the pointers before the structure copy and then
|
|
* copy by hand.
|
|
*/
|
|
time = to->dk_time; wds = to->dk_wds; seek = to->dk_seek;
|
|
xfer = to->dk_xfer; intrcnt = to->intrcnt;
|
|
*to = *from;
|
|
bcopy(from->dk_time, to->dk_time = time, dk_ndrive * sizeof (long));
|
|
bcopy(from->dk_wds, to->dk_wds = wds, dk_ndrive * sizeof (long));
|
|
bcopy(from->dk_seek, to->dk_seek = seek, dk_ndrive * sizeof (long));
|
|
bcopy(from->dk_xfer, to->dk_xfer = xfer, dk_ndrive * sizeof (long));
|
|
bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
|
|
}
|
|
|
|
static void
|
|
dinfo(dn, c)
|
|
int dn, c;
|
|
{
|
|
double words, atime, itime, xtime;
|
|
|
|
c = DISKCOL + c * 5;
|
|
atime = s.dk_time[dn];
|
|
atime /= hertz;
|
|
words = s.dk_wds[dn]*32.0; /* number of words transferred */
|
|
xtime = dk_mspw[dn]*words; /* transfer time */
|
|
itime = atime - xtime; /* time not transferring */
|
|
if (xtime < 0)
|
|
itime += xtime, xtime = 0;
|
|
if (itime < 0)
|
|
xtime += itime, itime = 0;
|
|
putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
|
|
putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
|
|
putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5);
|
|
if (s.dk_seek[dn])
|
|
putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1);
|
|
else
|
|
putint(0, DISKROW + 4, c, 5);
|
|
}
|