Module Name: src
Committed By: maxv
Date: Tue Feb 13 09:26:18 UTC 2018
Modified Files:
src/sys/kern: kern_tc.c
Log Message:
Put time_second and time_uptime in different cache lines, probably saves
us some false sharing.
To generate a diff of this commit:
cvs rdiff -u -r1.48 -r1.49 src/sys/kern/kern_tc.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/kern_tc.c
diff -u src/sys/kern/kern_tc.c:1.48 src/sys/kern/kern_tc.c:1.49
--- src/sys/kern/kern_tc.c:1.48 Thu Nov 2 15:28:23 2017
+++ src/sys/kern/kern_tc.c Tue Feb 13 09:26:17 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_tc.c,v 1.48 2017/11/02 15:28:23 riastradh Exp $ */
+/* $NetBSD: kern_tc.c,v 1.49 2018/02/13 09:26:17 maxv Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -40,7 +40,7 @@
#include <sys/cdefs.h>
/* __FBSDID("$FreeBSD: src/sys/kern/kern_tc.c,v 1.166 2005/09/19 22:16:31 andre Exp $"); */
-__KERNEL_RCSID(0, "$NetBSD: kern_tc.c,v 1.48 2017/11/02 15:28:23 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_tc.c,v 1.49 2018/02/13 09:26:17 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_ntp.h"
@@ -131,8 +131,8 @@ static struct timehands *volatile timeha
struct timecounter *timecounter = &dummy_timecounter;
static struct timecounter *timecounters = &dummy_timecounter;
-volatile time_t time_second = 1;
-volatile time_t time_uptime = 1;
+volatile time_t time_second __cacheline_aligned = 1;
+volatile time_t time_uptime __cacheline_aligned = 1;
static struct bintime timebasebin;
