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authorRon <ron@voicetronix.com>2009-05-08 09:24:49 -0400
committerIngo Molnar <mingo@elte.hu>2009-05-09 04:08:19 -0400
commit92d23f703c608fcb2c8edd74a3fd0f4031e18606 (patch)
treeecd2e7f94fea20188eb75cabbcd48a7f7ab79dbc /kernel/sched_clock.c
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
sched: Fix fallback sched_clock()'s offset when using jiffies
Account for the initial offset to the jiffy count. [ Impact: fix printk timestamps on architectures using fallback sched_clock() ] Signed-off-by: Ron Lee <ron@debian.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_clock.c')
-rw-r--r--kernel/sched_clock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 819f17ac796e..e1d16c9a7680 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -38,7 +38,8 @@
38 */ 38 */
39unsigned long long __attribute__((weak)) sched_clock(void) 39unsigned long long __attribute__((weak)) sched_clock(void)
40{ 40{
41 return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ); 41 return (unsigned long long)(jiffies - INITIAL_JIFFIES)
42 * (NSEC_PER_SEC / HZ);
42} 43}
43 44
44static __read_mostly int sched_clock_running; 45static __read_mostly int sched_clock_running;