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sched: update delay-accounting to use CFS's precise stats

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update delay-accounting to use CFS's precise stats.

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Balbir Singh 2007-07-09 18:52:00 +02:00 • committed by Ingo Molnar
commit 172ba844a8
6 changed files with 15 additions and 15 deletions
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10
kernel/delayacct.c
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@ -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;