sched: add tree based averages
add support for tree based vruntime averages.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/sched.c b/kernel/sched.c
index bf85b4b..198b07a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -399,6 +399,8 @@
SCHED_FEAT_SLEEPER_AVG = 4,
SCHED_FEAT_SLEEPER_LOAD_AVG = 8,
SCHED_FEAT_START_DEBIT = 16,
+ SCHED_FEAT_USE_TREE_AVG = 32,
+ SCHED_FEAT_APPROX_AVG = 64,
};
const_debug unsigned int sysctl_sched_features =
@@ -406,7 +408,9 @@
SCHED_FEAT_NEW_FAIR_SLEEPERS *1 |
SCHED_FEAT_SLEEPER_AVG *0 |
SCHED_FEAT_SLEEPER_LOAD_AVG *1 |
- SCHED_FEAT_START_DEBIT *1;
+ SCHED_FEAT_START_DEBIT *1 |
+ SCHED_FEAT_USE_TREE_AVG *0 |
+ SCHED_FEAT_APPROX_AVG *0;
#define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)