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 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -399,6 +399,8 @@ enum {
        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 @@ const_debug unsigned int sysctl_sched_features =
                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)
 

diff --cc kernel/sched_fair.c
Simple merge