Messages in this thread | | | Date | Wed, 13 Dec 2017 16:59:22 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH 2/4] sched: cpufreq: Keep track of cpufreq utilization update flags |
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On 13-12-17, 12:26, Juri Lelli wrote: > This flag doesn't do much, does it? I mean RT/DL/IOWAIT are used to bump > up frequency, while you are adding CFS for the sake of simmetry, right? > And with my patches DL will hopefully soon be in the same situation. > If my understanding is correct, maybe add a comment?
Symmetry yes, plus it can be useful to know when there is nothing queued on the CPU, i.e. no flags are set. Then the CPU is probably going into idle and we may want to do some tricky stuff there later on.
-- viresh
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