Messages in this thread | | | Date | Thu, 20 May 2021 13:06:34 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH v5 2/3] sched/fair: Add cfs bandwidth burst statistics |
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On Thu, May 20, 2021 at 08:34:18PM +0800, Huaixin Chang wrote: > When using cfs_b and meeting with some throttled periods, users shall > use burst buffer to allow bursty workloads. Apart from configuring some > burst buffer and watch whether throttled periods disappears, some > statistics on burst buffer using are also helpful. Thus expose the > following statistics into cpu.stat file: > > nr_burst: number of periods bandwidth burst occurs
nr_bursts
> burst_time: cumulative wall-time that any cpus has > used above quota in respective periods
burst_usec may be more in line with other fields in that file.
Thanks.
-- tejun
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