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Message-Id: <199610050525.NAA00432@spinner.DIALix.COM>
To: smp@freebsd.org
Subject: top patches for smp..
Date: Sat, 05 Oct 1996 13:25:32 +0800
From: Peter Wemm <peter@spinner.dialix.com>
Sender: owner-smp@freebsd.org
X-Loop: FreeBSD.org
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If anybody's interested, these patches will show some extra info when
top is running.  I can't remember if I've send this already..  Hope
not. :-)

With this, instead of "RUN", you will see either "CPU0/1" or "RUN/1".
In this case, "CPU0/1" means that the process is currently on cpu 0,
and the "1" is meaningless.. It's set at the same time I just realised.
:-]  The idea was that you could see the current and "last" cpu, so you
had a chance of seeing procs bouncing from one cpu to another, maybe
later..

"RUN/1" means it is runnable, waiting in the run queue and last ran on
cpu#1.

If 'ps' is showing "31Dec69" or "1Jan70", your libkvm is out of sync.
I don't know what has changed that caused this BTW.  I changed the /sys
symlink so I could compile libkvm and top/ps/etc.

Index: files/m_freebsd2.c
===================================================================
RCS file: /home/ncvs/ports/sysutils/top/files/m_freebsd2.c,v
retrieving revision 1.8
diff -u -r1.8 m_freebsd2.c
--- m_freebsd2.c	1996/09/28 09:55:32	1.8
+++ m_freebsd2.c	1996/10/04 18:12:34
@@ -523,6 +523,7 @@
     register long cputime;
     register double pct;
     struct handle *hp;
+    char runbuf[16];
 
     /* find and remember the next proc structure */
     hp = (struct handle *)handle;
@@ -555,6 +556,25 @@
     /* calculate the base for cpu percentages */
     pct = pctdouble(PP(pp, p_pctcpu));
 
+    /* generate "STATE" field */
+    switch (PP(pp, p_stat)) {
+	case SRUN:
+	    if (PP(pp, p_oncpu) >= 0)
+		sprintf(runbuf, "CPU#%d/%d", PP(pp, p_oncpu), PP(pp, p_lastcpu))
+	    else
+		sprintf(runbuf, "RUN/%d", PP(pp, p_lastcpu));
+	    break;
+	case SSLEEP:
+	    if (PP(pp, p_wmesg) != NULL) {
+		sprintf(runbuf, "%.6s", EP(pp, e_wmesg));
+		break;
+	    }
+	    /* fall through */
+	default:
+	    sprintf(runbuf, "%s", state_abbrev[(unsigned char) PP(pp, p_stat)]);
+	    break;
+    }
+
     /* format this entry */
     sprintf(fmt,
 	    Proc_format,
@@ -564,9 +584,7 @@
 	    PP(pp, p_nice) - NZERO,
 	    format_k(pagetok(PROCSIZE(pp))),
 	    format_k(pagetok(VP(pp, vm_rssize))),
-	    ( (PP(pp, p_stat) == SSLEEP) && (PP(pp, p_wmesg) != NULL) ) ?
-		EP(pp, e_wmesg) :
-		state_abbrev[(unsigned char) PP(pp, p_stat)],
+	    runbuf,
 	    format_time(cputime),
 	    10000.0 * weighted_cpu(pct, pp) / hz,
 	    10000.0 * pct / hz,

 Cheers,
 -Peter