[src/trunk]: src/sys/kern bluntly balance estcpu decay for ncpu > 1. PR/31966.

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/601fd7c703ae
branches:  trunk
changeset: 764262:601fd7c703ae
user:      yamt <yamt%NetBSD.org@localhost>
date:      Thu Apr 14 16:19:35 2011 +0000

description:
bluntly balance estcpu decay for ncpu > 1.  PR/31966.

diffstat:

 sys/kern/sched_4bsd.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 6701796afdf4 -r 601fd7c703ae sys/kern/sched_4bsd.c
--- a/sys/kern/sched_4bsd.c     Thu Apr 14 16:08:53 2011 +0000
+++ b/sys/kern/sched_4bsd.c     Thu Apr 14 16:19:35 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sched_4bsd.c,v 1.25 2009/05/31 04:13:33 yamt Exp $     */
+/*     $NetBSD: sched_4bsd.c,v 1.26 2011/04/14 16:19:35 yamt Exp $     */
 
 /*-
  * Copyright (c) 1999, 2000, 2004, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sched_4bsd.c,v 1.25 2009/05/31 04:13:33 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sched_4bsd.c,v 1.26 2011/04/14 16:19:35 yamt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_lockdebug.h"
@@ -236,7 +236,7 @@
  */
 
 /* calculations for digital decay to forget 90% of usage in 5*loadav sec */
-#define        loadfactor(loadav)      (2 * (loadav))
+#define        loadfactor(loadav)      (2 * (loadav) / ncpu)
 
 static fixpt_t
 decay_cpu(fixpt_t loadfac, fixpt_t estcpu)