Messages in this thread | | | From | "Doug Smythies" <> | Subject | RE: [RFC/RFT][PATCH v3] cpuidle: New timer events oriented governor for tickless systems | Date | Tue, 13 Nov 2018 22:26:22 -0800 |
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On 2018.11.08 00:00 Rafael J. Wysocki wrote: > On Wednesday, November 7, 2018 6:04:12 PM CET Doug Smythies wrote: >> On 2018.11.04 08:31 Rafael J. Wysocki wrote:
...[snip]... >> The results are: >> http://fast.smythies.com/linux-pm/k420/k420-dbench-teo3.htm >> http://fast.smythies.com/linux-pm/k420/histo_compare.htm
...[snip]...
>> There are some odd long idle durations with TEOv3 for idle >> states 1, 2, and 3 that I'll watch for with v4 testing. > > That unfortunately is a result of bugs in the v4 (and v2 - v3 too). > > Namely, it doesn't take the cases when the tick has been stopped already > into account correctly. IOW, all of the data points beyond the tick boundary > should go into the "final" peak. > > I'll send a v5.
With v5 there were no long idle durations for idle states 1, 2, and 3 for this same Phoronix dbench test.
... Doug
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