Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: power management regression in linux 3.10? (related to CONFIG_NO_HZ_FULL) | Date | Tue, 04 Jun 2013 13:30:54 +0200 |
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On Tuesday, June 04, 2013 03:08:48 AM Michael Karcher wrote: > Am Montag, den 03.06.2013, 12:37 -0700 schrieb Dirk Brandewie: > > On 06/03/2013 12:34 PM, Rafael J. Wysocki wrote: > > > On Monday, June 03, 2013 07:56:15 PM Michael Karcher wrote: > > >> Hello, > > > Yes, please try with CONFIG_NO_HZ_IDLE and see if you can reproduce the > > > problem. > Instead of doing that, I successfully applied Dirk's suggestion. Is > CONFIG_NO_HZ + CONFIG_NO_HZ_IDLE worth testing?
Yes, it is.
> > > Does your system use intel_idle? You've set that in .config, but can you check > > > what dmesg says, please? > No, intel_idle complains it doesn't support my CPU family.
I thought so. It is using the ACPI idle driver, then, so I think cpuidle in general is affected.
That seems to be a time accounting problem of some sort (adding CCs to Ingo and Thomas).
Thanks, Rafael
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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