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authorBalbir Singh <balbir@linux.vnet.ibm.com>2007-07-09 18:52:00 +0200
committerIngo Molnar <mingo@elte.hu>2007-07-09 18:52:00 +0200
commit172ba844a8851c3edd13c0a979cdf46bd5e3cc1a (patch)
tree5e1bfd820c8e68fc28450688f166f4136351e1e1 /kernel/delayacct.c
parentb27f03d4bdc145a09fb7b0c0e004b29f1ee555fa (diff)
downloadlinux-linaro-stable-172ba844a8851c3edd13c0a979cdf46bd5e3cc1a.tar.gz
sched: update delay-accounting to use CFS's precise stats
update delay-accounting to use CFS's precise stats. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/delayacct.c')
-rw-r--r--kernel/delayacct.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index c0148ae992c4..81e697829633 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -99,9 +99,10 @@ void __delayacct_blkio_end(void)
int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
{
s64 tmp;
- struct timespec ts;
- unsigned long t1,t2,t3;
+ unsigned long t1;
+ unsigned long long t2, t3;
unsigned long flags;
+ struct timespec ts;
/* Though tsk->delays accessed later, early exit avoids
* unnecessary returning of other data
@@ -124,11 +125,10 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
d->cpu_count += t1;
- jiffies_to_timespec(t2, &ts);
- tmp = (s64)d->cpu_delay_total + timespec_to_ns(&ts);
+ tmp = (s64)d->cpu_delay_total + t2;
d->cpu_delay_total = (tmp < (s64)d->cpu_delay_total) ? 0 : tmp;
- tmp = (s64)d->cpu_run_virtual_total + (s64)jiffies_to_usecs(t3) * 1000;
+ tmp = (s64)d->cpu_run_virtual_total + t3;
d->cpu_run_virtual_total =
(tmp < (s64)d->cpu_run_virtual_total) ? 0 : tmp;