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| author |   Josh Don <joshdon@google.com> | 2023-06-20 11:32:47 -0700 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2023-07-13 15:21:49 +0200 |
| commit | 677ea015f231aa38b3972aa7be54ecd2637e99fd (patch) | |
| tree | 48661764d6c5be468c73ef442d64e877d318fd23 /kernel/sched/sched.h | |
| parent | sched: don't account throttle time for empty groups (diff) | |
| download | wireguard-linux-677ea015f231aa38b3972aa7be54ecd2637e99fd.tar.xz wireguard-linux-677ea015f231aa38b3972aa7be54ecd2637e99fd.zip | |
sched: add throttled time stat for throttled children
We currently export the total throttled time for cgroups that are given
a bandwidth limit. This patch extends this accounting to also account
the total time that each children cgroup has been throttled.
This is useful to understand the degree to which children have been
affected by the throttling control. Children which are not runnable
during the entire throttled period, for example, will not show any
self-throttling time during this period.
Expose this in a new interface, 'cpu.stat.local', which is similar to
how non-hierarchical events are accounted in 'memory.events.local'.
Signed-off-by: Josh Don <joshdon@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230620183247.737942-2-joshdon@google.com
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index e93e006a942b..1dcea9bfa0a8 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -636,6 +636,8 @@ struct cfs_rq { u64 throttled_clock; u64 throttled_clock_pelt; u64 throttled_clock_pelt_time; + u64 throttled_clock_self; + u64 throttled_clock_self_time; int throttled; int throttle_count; struct list_head throttled_list; |