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authorAlex Shi <alex.shi@linaro.org>2014-01-23 18:39:54 +0800
committerIngo Molnar <mingo@kernel.org>2014-02-11 09:58:18 +0100
commit37e6bae8395a94b4dd934c92b02b9408be992365 (patch)
tree212a4ad2745dd3322ec3cd4f5e4392718b6f3324 /kernel/sched/debug.c
parent27f17580fd2c7514c8f5cce22ab903c6f3ddf458 (diff)
downloadlinux-37e6bae8395a94b4dd934c92b02b9408be992365.tar.bz2
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.c1
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);