Messages in this thread | | | Date | Thu, 28 Oct 2021 19:10:48 +0200 (CEST) | From | Julia Lawall <> | Subject | Re: problem in changing from active to passive mode |
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> Now, for your graph 3, are you saying this pseudo > code of the process is repeatable?: > > Power up the system, booting kernel 5.9 > switch to passive/schedutil. > wait X minutes for system to settle > do benchmark, result ~13 seconds > re-boot to kernel 5.15-RC > switch to passive/schedutil. > wait X minutes for system to settle > do benchmark, result ~40 seconds > re-boot to kernel 5.9 > switch to passive/schedutil. > wait X minutes for system to settle > do benchmark, result ~28 seconds
In the first boot of 5.9, the des (desired?) field of the HWP_REQUEST register is 0 and in the second boot (after booting 5.15 and entering passive mode) it is 10. I don't know though if this is a bug or a feature...
julia
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