libutil

1 files changed, 26 insertions, 51 deletions

diff --git a/usr.bin/systat/vmstat.c b/usr.bin/systat/vmstat.c
index ce8e74da457..4db84af9ccb 100644
--- a/usr.bin/systat/vmstat.c
+++ b/usr.bin/systat/vmstat.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vmstat.c,v 1.4 1995/04/29 05:54:55 cgd Exp $	*/
+/*	$NetBSD: vmstat.c,v 1.5 1996/05/10 23:16:40 thorpej Exp $	*/
 
 /*-
  * Copyright (c) 1983, 1989, 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)vmstat.c	8.2 (Berkeley) 1/12/94";
 #endif
-static char rcsid[] = "$NetBSD: vmstat.c,v 1.4 1995/04/29 05:54:55 cgd Exp $";
+static char rcsid[] = "$NetBSD: vmstat.c,v 1.5 1996/05/10 23:16:40 thorpej Exp $";
 #endif /* not lint */
 
 /*
@@ -72,16 +72,15 @@ static struct Info {
 	long	time[CPUSTATES];
 	struct	vmmeter Cnt;
 	struct	vmtotal Total;
-	long	*dk_time;
-	long	*dk_wds;
-	long	*dk_seek;
-	long	*dk_xfer;
-	int	dk_busy;
 	struct	nchstats nchstats;
 	long	nchcount;
 	long	*intrcnt;
 } s, s1, s2, z;
 
+#include "dkstats.h"
+extern struct _disk	cur;
+
+
 #define	cnt s.Cnt
 #define oldcnt s1.Cnt
 #define	total s.Total
@@ -215,7 +214,7 @@ initkre()
 		}
 	}
 	hertz = stathz ? stathz : hz;
-	if (! dkinit())
+	if (! dkinit(1))
 		return(0);
 	if (dk_ndrive && !once) {
 #define	allocate(e, t) \
@@ -223,10 +222,6 @@ initkre()
     s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
     s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
     z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
-		allocate(dk_time, long);
-		allocate(dk_wds, long);
-		allocate(dk_seek, long);
-		allocate(dk_xfer, long);
 		once = 1;
 #undef allocate
 	}
@@ -331,8 +326,8 @@ labelkre()
 	mvprintw(DISKROW, DISKCOL, "Discs");
 	mvprintw(DISKROW + 1, DISKCOL, "seeks");
 	mvprintw(DISKROW + 2, DISKCOL, "xfers");
-	mvprintw(DISKROW + 3, DISKCOL, " blks");
-	mvprintw(DISKROW + 4, DISKCOL, " msps");
+	mvprintw(DISKROW + 3, DISKCOL, "Kbyte");
+	mvprintw(DISKROW + 4, DISKCOL, "  sec");
 	j = 0;
 	for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
 		if (dk_select[i]) {
@@ -367,9 +362,9 @@ showkre()
 	int i, l, c;
 	static int failcnt = 0;
 
-	for (i = 0; i < dk_ndrive; i++) {
-		X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
-	}
+	
+	if (state == TIME)
+		dkswap();
 	etime = 0;
 	for(i = 0; i < CPUSTATES; i++) {
 		X(time);
@@ -617,13 +612,9 @@ getinfo(s, st)
 	size_t size;
 	extern int errno;
 
+	dkreadstats();
 	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);
@@ -649,21 +640,10 @@ 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;
+	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));
 }
 
@@ -671,23 +651,18 @@ static void
 dinfo(dn, c)
 	int dn, c;
 {
-	double words, atime, itime, xtime;
+	double words, atime;
 
 	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);
+
+	/* time busy in disk activity */
+	atime = (double)cur.dk_time[dn].tv_sec +
+		((double)cur.dk_time[dn].tv_usec / (double)1000000);
+
+	words = cur.dk_bytes[dn] / 1024.0;	/* # of K transferred */
+
+	putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
+	putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
+	putint((int)(words/etime + 0.5), DISKROW + 3, c, 5);
+	putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1);
 }