This patchset is rebased upon v5.11-rc6.
Previous archive:
https://lore.kernel.org/lkml/20201217074620.58338-1-changhuai...@linux.alibaba.com/
The CFS bandwidth controller limits CPU requests of a task group to
quota during each period. However, parallel workloads might be bursty
so that they get
The code for this looks fine, and the feature is something people do
seem to ask for occasionally. I agree with peterz that using this
generally means you lose any guarantees (which are already imperfect
given CFS), but I suspect that cfsb is being used in overload anyways.
The docs could use a
The CFS bandwidth controller limits CPU requests of a task group to
quota during each period. However, parallel workloads might be bursty
so that they get throttled. And they are latency sensitive at the same
time so that throttling them is undesired.
Scaling up period and quota allows greater
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