Messages in this thread | | | Date | Fri, 11 Sep 2015 22:35:47 +0530 | Subject | Re: [PATCH 0/2] nohz_full: Offload task_tick to remote housekeeping cpus for nohz_full cpus | From | Vatika Harlalka <> |
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> 1. If LB_BIAS is false for nohz_full CPUs. This will help us figure out if > rq->cpu_load > is read for them.
lb_bias feature is not disabled for full dynticks. rq->cpu_load[] is never used for them. nohz_full cpus verify the condition on_null_domain(rq)
> 2. When a cpu reports scheduling stats for all cpus such as > sum_exec_runtime, > does it consider cpu_isolated_map (most likely it will) ? If it does, we > need to be > able to remotely update those statistics before reporting them. i.e. call > update_curr(rq) on behalf of the nohz_full cpus.
Yeah, cpu stats are reported and updated for all cpus.
The next step would be to offload these on other cpus now for nohz_full cpus running a single task now?
Thanks Vatika
> > > > -- > This is Preeti, signing off.
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