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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 /include/linux/cgroup-defs.h | |
| parent | 79462e8c879afc7895b30014d31e2c1fd629bb1f (diff) | |
| download | linux-677ea015f231aa38b3972aa7be54ecd2637e99fd.tar.gz linux-677ea015f231aa38b3972aa7be54ecd2637e99fd.tar.bz2 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 'include/linux/cgroup-defs.h')
| -rw-r--r-- | include/linux/cgroup-defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 8a0d5466c7be..ae20dbb885d6 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -661,6 +661,8 @@ struct cgroup_subsys { void (*css_rstat_flush)(struct cgroup_subsys_state *css, int cpu); int (*css_extra_stat_show)(struct seq_file *seq, struct cgroup_subsys_state *css); + int (*css_local_stat_show)(struct seq_file *seq, + struct cgroup_subsys_state *css); int (*can_attach)(struct cgroup_taskset *tset); void (*cancel_attach)(struct cgroup_taskset *tset); |