Module Name: src
Committed By: yamt
Date: Thu Apr 14 16:19:35 UTC 2011
Modified Files:
src/sys/kern: sched_4bsd.c
Log Message:
bluntly balance estcpu decay for ncpu > 1. PR/31966.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sys/kern/sched_4bsd.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/sched_4bsd.c
diff -u src/sys/kern/sched_4bsd.c:1.25 src/sys/kern/sched_4bsd.c:1.26
--- src/sys/kern/sched_4bsd.c:1.25 Sun May 31 04:13:33 2009
+++ src/sys/kern/sched_4bsd.c Thu Apr 14 16:19:35 2011
@@ -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)
