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| author | Vincent Guittot <vincent.guittot@linaro.org> | 2024-12-02 18:45:59 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-12-09 11:48:11 +0100 |
| commit | c2a295bffeaf9461ecba76dc9e4780c898c94f03 (patch) | |
| tree | 8a1f83d8d54da928dc28d183d4bf05d56f894764 /kernel/sched/sched.h | |
| parent | sched/fair: Rename h_nr_running into h_nr_queued (diff) | |
| download | linux-c2a295bffeaf9461ecba76dc9e4780c898c94f03.tar.gz linux-c2a295bffeaf9461ecba76dc9e4780c898c94f03.zip | |
sched/fair: Add new cfs_rq.h_nr_runnable
With delayed dequeued feature, a sleeping sched_entity remains queued in
the rq until its lag has elapsed. As a result, it stays also visible
in the statistics that are used to balance the system and in particular
the field cfs.h_nr_queued when the sched_entity is associated to a task.
Create a new h_nr_runnable that tracks only queued and runnable tasks.
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lore.kernel.org/r/20241202174606.4074512-5-vincent.guittot@linaro.org
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index b011081aff97..869d5d3521f2 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -647,6 +647,7 @@ struct cfs_rq { struct load_weight load; unsigned int nr_running; unsigned int h_nr_queued; /* SCHED_{NORMAL,BATCH,IDLE} */ + unsigned int h_nr_runnable; /* SCHED_{NORMAL,BATCH,IDLE} */ unsigned int idle_nr_running; /* SCHED_IDLE */ unsigned int idle_h_nr_running; /* SCHED_IDLE */ unsigned int h_nr_delayed; |