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| author |   Alex Shi <alex.shi@linaro.org> | 2014-01-23 18:39:54 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2014-02-11 09:58:18 +0100 |
| commit | 37e6bae8395a94b4dd934c92b02b9408be992365 (patch) | |
| tree | 212a4ad2745dd3322ec3cd4f5e4392718b6f3324 /kernel/sched/debug.c | |
| parent | sched: Delete is_same_group() outside CONFIG_FAIR_GROUP_SCHED (diff) | |
| download | linux-dev-37e6bae8395a94b4dd934c92b02b9408be992365.tar.xz linux-dev-37e6bae8395a94b4dd934c92b02b9408be992365.zip | |
sched: Add statistic for newidle load balance cost
Tracking rq->max_idle_balance_cost and sd->max_newidle_lb_cost.
It's useful to know these values in debug mode.
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/52E0F3BF.5020904@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 31b908daaa1b..f3344c31632a 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -321,6 +321,7 @@ do { \ P(sched_goidle); #ifdef CONFIG_SMP P64(avg_idle); + P64(max_idle_balance_cost); #endif P(ttwu_count); |