Messages in this thread | | | Subject | Re: [PATCH v3 0/6] cpufreq: schedutil: fixes for flags updates | From | Claudio Scordino <> | Date | Thu, 8 Feb 2018 17:14:58 +0100 |
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Hi Patrick,
Il 06/02/2018 19:36, Patrick Bellasi ha scritto: > On 06-Feb 19:14, Claudio Scordino wrote: >> Hi Patrick, > >>> At first glance, your proposal below makes to make sense. >>> >>> However, I'm wondering if we cannot get it working using >>> rq->dl's provided information instead of flags? >> >> Yes, we can use the value of rq->dl to check if there has been an increase of the deadline utilization. >> Even if schedutil might have been triggered by a different scheduling class, the effect should be almost the same. >> >> Below a potential patch. I've kept all frequency update decisions in a single point (i.e. sugov_should_update_freq). >> Not yet tested (waiting for further comments). > > I have a todo list entry to backport/test Peter's series on Android... > will add this patch too. Thanks.
Please discard my latest patch, as the tests on Odroid have shown performance regressions (likely due to sugov_next_freq_shared being called more often)
Never mind. I have already tested another (even simpler) patch. Sending soon as a new thread on LKML.
Many thanks and best regards,
Claudio
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