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| author | Huaixin Chang <changhuaixin@linux.alibaba.com> | 2021-08-30 06:22:14 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-05 16:51:40 +0300 |
| commit | bcb1704a1ed2de580a46f28922e223a65f16e0f5 (patch) | |
| tree | 5b33b07af19e88ce693c70fb5bff4570ff775451 /Documentation/admin-guide/cgroup-v2.rst | |
| parent | 2cae3948edd488ebdef4deaf1d1043f92f47e665 (diff) | |
| download | linux-bcb1704a1ed2de580a46f28922e223a65f16e0f5.tar.xz | |
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 'Documentation/admin-guide/cgroup-v2.rst')
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