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sched: Account number of SCHED_IDLE entities on each cfs_rq

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Adds cfs_rq->idle_nr_running, which accounts the number of idle entities
directly enqueued on the cfs_rq.

Signed-off-by: Josh Don <joshdon@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20210820010403.946838-3-joshdon@google.com
This commit is contained in:
Josh Don
2021-08-19 18:04:01 -07:00
committed by Peter Zijlstra
parent a130e8fbc7
commit a480addecc
3 changed files with 27 additions and 1 deletions
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2
kernel/sched/debug.c
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@@ -614,6 +614,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
cfs_rq->nr_spread_over);
SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running);
SEQ_printf(m, " .%-30s: %d\n", "h_nr_running", cfs_rq->h_nr_running);
SEQ_printf(m, " .%-30s: %d\n", "idle_nr_running",
cfs_rq->idle_nr_running);
SEQ_printf(m, " .%-30s: %d\n", "idle_h_nr_running",
cfs_rq->idle_h_nr_running);
SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);