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sched: group-scheduler core

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Add interface to control cpu bandwidth allocation to task-groups.

(not yet configurable, due to missing CONFIG_CONTAINERS)

Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
This commit is contained in:
Srivatsa Vaddagiri
2007-10-15 17:00:07 +02:00
committed by Ingo Molnar
parent 119fe5e068
commit 29f59db3a7
5 changed files with 350 additions and 18 deletions
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3
kernel/sched_fair.c
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@@ -610,8 +610,7 @@ static inline struct cfs_rq *group_cfs_rq(struct sched_entity *grp)
*/
static inline struct cfs_rq *cpu_cfs_rq(struct cfs_rq *cfs_rq, int this_cpu)
{
/* A later patch will take group into account */
return &cpu_rq(this_cpu)->cfs;
return cfs_rq->tg->cfs_rq[this_cpu];
}
/* Iterate thr' all leaf cfs_rq's on a runqueue */