Messages in this thread | | | Date | Mon, 16 Aug 2021 14:31:09 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/2] sched: adjust SCHED_IDLE interactions |
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On Thu, Jul 29, 2021 at 07:00:19PM -0700, Josh Don wrote: > 1) Ignore min_granularity for determining the sched_slide of a > SCHED_IDLE entity when it is competing with a non SCHED_IDLE entity. > This reduces the latency of getting a non SCHED_IDLE entity back on cpu, > at the expense of increased context switch frequency of SCHED_IDLE > entities.
> 2) Don't give sleeper credit to SCHED_IDLE entities when they wake onto > a cfs_rq with non SCHED_IDLE entities. As a result, newly woken > SCHED_IDLE entities will take longer to preempt non SCHED_IDLE entities.
ISTR we had a rule about one change per patch :-)
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