Re: [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware scheduling

From: Dietmar Eggemann
Date: Mon Jun 29 2015 - 06:19:59 EST


On 29/06/15 10:06, pang.xunlei@xxxxxxxxxx wrote:
> Hi Abel,
>
> Abel Vesa <abelvesa@xxxxxxxxx> wrote 2015-06-29 AM 04:26:31:
>>
>> Re: [RFCv4 PATCH 00/34] sched: Energy cost model for energy-aware
> scheduling

[...]

>> I wasn't able to determine the cause from the line:
>>
>> 7de5: 49 0f a3 87 00 03 00 bt %rax,0x300(%r15)
>>
>> Finally, the question I have is: Could this happen because I'm running
>> it from qemu?
>>
>> I hope all this info helps.
>
> I've met this as well.
>
> You can try to change "return -1;" in energy_aware_wake_cpu() to "return
> target_cpu;"
> hope this may help.

Yeah, I also suppose that https://lkml.org/lkml/2015/5/14/330 cures it.

-- Dietmar

[...]

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