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sched: Aggregate total task_group load

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Maintain a global running sum of the average load seen on each cfs_rq belonging
to each task group so that it may be used in calculating an appropriate
shares:weight distribution.

Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Ben Segall <bsegall@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120823141506.792901086@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Paul Turner
2012-10-04 13:18:30 +02:00
committed by Ingo Molnar
parent aff3e49884
commit c566e8e9e4
3 changed files with 30 additions and 0 deletions
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4
kernel/sched/debug.c
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@@ -230,6 +230,10 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
cfs_rq->runnable_load_avg);
SEQ_printf(m, " .%-30s: %lld\n", "blocked_load_avg",
cfs_rq->blocked_load_avg);
SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg",
atomic64_read(&cfs_rq->tg->load_avg));
SEQ_printf(m, " .%-30s: %lld\n", "tg_load_contrib",
cfs_rq->tg_load_contrib);
#endif
print_cfs_group_stats(m, cpu, cfs_rq->tg);