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| author | Balbir Singh <balbir@linux.vnet.ibm.com> | 2007-07-09 18:52:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-07-09 18:52:00 +0200 |
| commit | 172ba844a8851c3edd13c0a979cdf46bd5e3cc1a (patch) | |
| tree | 5e1bfd820c8e68fc28450688f166f4136351e1e1 /kernel | |
| parent | b27f03d4bdc145a09fb7b0c0e004b29f1ee555fa (diff) | |
| download | lwn-172ba844a8851c3edd13c0a979cdf46bd5e3cc1a.tar.gz lwn-172ba844a8851c3edd13c0a979cdf46bd5e3cc1a.zip | |
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')
| -rw-r--r-- | kernel/delayacct.c | 10 | ||||
| -rw-r--r-- | kernel/exit.c | 2 | ||||
| -rw-r--r-- | kernel/fork.c | 4 | ||||
| -rw-r--r-- | kernel/sched_stats.h | 2 |
4 files changed, 9 insertions, 9 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; diff --git a/kernel/exit.c b/kernel/exit.c index 8fd7acd7bbd0..ca6a11b73023 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -122,9 +122,9 @@ static void __exit_signal(struct task_struct *tsk) sig->maj_flt += tsk->maj_flt; sig->nvcsw += tsk->nvcsw; sig->nivcsw += tsk->nivcsw; - sig->sched_time += tsk->sched_time; sig->inblock += task_io_get_inblock(tsk); sig->oublock += task_io_get_oublock(tsk); + sig->sum_sched_runtime += tsk->se.sum_exec_runtime; sig = NULL; /* Marker for below. */ } diff --git a/kernel/fork.c b/kernel/fork.c index 73ad5cda1bcd..da3a155bba0d 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -877,7 +877,7 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; - sig->sched_time = 0; + sig->sum_sched_runtime = 0; INIT_LIST_HEAD(&sig->cpu_timers[0]); INIT_LIST_HEAD(&sig->cpu_timers[1]); INIT_LIST_HEAD(&sig->cpu_timers[2]); @@ -1040,7 +1040,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->utime = cputime_zero; p->stime = cputime_zero; - p->sched_time = 0; + #ifdef CONFIG_TASK_XACCT p->rchar = 0; /* I/O counter: bytes read */ p->wchar = 0; /* I/O counter: bytes written */ diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h index cd82c6078904..c63c38f6fa6e 100644 --- a/kernel/sched_stats.h +++ b/kernel/sched_stats.h @@ -21,7 +21,7 @@ static int show_schedstat(struct seq_file *seq, void *v) /* runqueue-specific stats */ seq_printf(seq, - "cpu%d %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu", + "cpu%d %lu %lu %lu %lu %lu %lu %lu %lu %lu %llu %llu %lu", cpu, rq->yld_both_empty, rq->yld_act_empty, rq->yld_exp_empty, rq->yld_cnt, rq->sched_switch, rq->sched_cnt, rq->sched_goidle, |