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| author |   Huaixin Chang <changhuaixin@linux.alibaba.com> | 2021-08-30 11:22:14 +0800 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2021-10-05 15:51:40 +0200 |
| commit | bcb1704a1ed2de580a46f28922e223a65f16e0f5 (patch) | |
| tree | 5b33b07af19e88ce693c70fb5bff4570ff775451 /kernel/sched/sched.h | |
| parent | sched: adjust sleeper credit for SCHED_IDLE entities (diff) | |
| download | linux-dev-bcb1704a1ed2de580a46f28922e223a65f16e0f5.tar.xz linux-dev-bcb1704a1ed2de580a46f28922e223a65f16e0f5.zip | |
sched/fair: Add cfs bandwidth burst statistics
Two new statistics are introduced to show the internal of burst feature
and explain why burst helps or not.
nr_bursts: number of periods bandwidth burst occurs
burst_time: cumulative wall-time (in nanoseconds) that any cpus has
used above quota in respective periods
Co-developed-by: Shanpei Chen <shanpeic@linux.alibaba.com>
Signed-off-by: Shanpei Chen <shanpeic@linux.alibaba.com>
Co-developed-by: Tianchen Ding <dtcccc@linux.alibaba.com>
Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com>
Signed-off-by: Huaixin Chang <changhuaixin@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20210830032215.16302-2-changhuaixin@linux.alibaba.com
Diffstat (limited to '')
| -rw-r--r-- | kernel/sched/sched.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 15a8895698b9..8712fc431417 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -369,6 +369,7 @@ struct cfs_bandwidth { u64 quota; u64 runtime; u64 burst; + u64 runtime_snap; s64 hierarchical_quota; u8 idle; @@ -381,7 +382,9 @@ struct cfs_bandwidth { /* Statistics: */ int nr_periods; int nr_throttled; + int nr_burst; u64 throttled_time; + u64 burst_time; #endif }; |