Commit 6272d68c authored by Lin Ming's avatar Lin Ming Committed by Ingo Molnar

sched: sched_slice() fixlet

Mike's change: 0a582440 "sched: fix sched_slice())" broke group
scheduling by forgetting to reload cfs_rq on each loop.

This patch fixes aim7 regression and specjbb2005 regression becomes
less than 1.5% on 8-core stokley.
Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: default avatarJayson King <dev@jaysonking.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e17036da
...@@ -429,7 +429,10 @@ static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se) ...@@ -429,7 +429,10 @@ static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
u64 slice = __sched_period(cfs_rq->nr_running + !se->on_rq); u64 slice = __sched_period(cfs_rq->nr_running + !se->on_rq);
for_each_sched_entity(se) { for_each_sched_entity(se) {
struct load_weight *load = &cfs_rq->load; struct load_weight *load;
cfs_rq = cfs_rq_of(se);
load = &cfs_rq->load;
if (unlikely(!se->on_rq)) { if (unlikely(!se->on_rq)) {
struct load_weight lw = cfs_rq->load; struct load_weight lw = cfs_rq->load;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment