Messages in this thread | | | Date | Wed, 10 Mar 2021 14:17:27 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 4/4] sched/fair: Add document for burstable CFS bandwidth control |
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On Thu, Jan 21, 2021 at 07:04:53PM +0800, Huaixin Chang wrote: > Basic description of usage and effect for CFS Bandwidth Control Burst. > > Signed-off-by: Huaixin Chang <changhuaixin@linux.alibaba.com> > Signed-off-by: Shanpei Chen <shanpeic@linux.alibaba.com>
Guess :-)
> +Sometimes users might want a group to burst without accumulation. This is > +tunable via:: > + /proc/sys/kernel/sched_cfs_bw_burst_onset_percent (default=0) > + > +Up to 100% runtime of cpu.cfs_burst_us might be given on setting bandwidth.
Sometimes is a very crap reason for code to exist. Also, everything is in _us, why do we have this one thing as a percent?
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