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sched: add more vruntime statistics

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add more vruntime statistics.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2007-10-15 17:00:06 +02:00
parent 9014623c0e
commit 86d9560cb6
1 changed files with 9 additions and 2 deletions
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11
kernel/sched_debug.c
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@ -109,7 +109,8 @@ print_cfs_rq_runtime_sum(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
{
s64 MIN_vruntime = -1, max_vruntime = -1, spread;
s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
spread, rq0_min_vruntime, spread0;
struct rq *rq = &per_cpu(runqueues, cpu);
struct sched_entity *last;
unsigned long flags;
@ -121,7 +122,6 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
P(fair_clock);
P(exec_clock);
P(min_vruntime);
spin_lock_irqsave(&rq->lock, flags);
if (cfs_rq->rb_leftmost)
@ -129,14 +129,21 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
last = __pick_last_entity(cfs_rq);
if (last)
max_vruntime = last->vruntime;
min_vruntime = rq->cfs.min_vruntime;
rq0_min_vruntime = per_cpu(runqueues, 0).cfs.min_vruntime;
spin_unlock_irqrestore(&rq->lock, flags);
SEQ_printf(m, " .%-30s: %Ld\n", "MIN_vruntime",
(long long)MIN_vruntime);
SEQ_printf(m, " .%-30s: %Ld\n", "min_vruntime",
(long long)min_vruntime);
SEQ_printf(m, " .%-30s: %Ld\n", "max_vruntime",
(long long)max_vruntime);
spread = max_vruntime - MIN_vruntime;
SEQ_printf(m, " .%-30s: %Ld\n", "spread",
(long long)spread);
spread0 = min_vruntime - rq0_min_vruntime;
SEQ_printf(m, " .%-30s: %Ld\n", "spread0",
(long long)spread0);
P(wait_runtime);
P(wait_runtime_overruns);