sched: Aggregate total task_group load
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>
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 2d2e2b3..2908923 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -230,6 +230,10 @@
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);