[PATCH v6 0/5] MCPM backend for Exynos5420

Abhilash Kesavan kesavan.abhilash at gmail.com
Sun May 18 19:38:58 PDT 2014


Hi Nicolas,

On Thu, May 15, 2014 at 10:22 PM, Nicolas Pitre
<nicolas.pitre at linaro.org> wrote:
> On Thu, 15 May 2014, Abhilash Kesavan wrote:
>
>> Hi Nicolas,
>>
>> On Wed, May 14, 2014 at 7:09 PM, Abhilash Kesavan
>> <kesavan.abhilash at gmail.com> wrote:
>> > Hi Nicolas,
>> >
>> > On Wed, May 14, 2014 at 7:03 PM, Nicolas Pitre <nicolas.pitre at linaro.org> wrote:
>> >> On Wed, 14 May 2014, Abhilash Kesavan wrote:
>> >>
>> >>> Hi Nicolas,
>> >>>
>> >>> [...]
>> >>> >>
>> >>> >> 1) can't create /sys/devices/system/cpu/cpu//online: nonexistent directory
>> >>> >
>> >>> > What do you get if you do:
>> >>> >
>> >>> > $ ls -d /sys/devices/system/cpu/cpu?/online
>> >>> ls: /sys/devices/system/cpu/cpu//online: No such file or directory
>> >>
>> >> Somehow, you or your shell replaced the ? character into a / character.
>> >> You could try with a * instead.
>> > With a different RFS your script runs fine without any change. Will
>> > update with results once testing is done.
>> The script has been running for a few hours on my 5420 based
>> chromebook. I can see all the cores being hotplugged in/out. A snippet
>> of the prints, that I get on running the test, follows:
>>
> [...]
>
> Good, that looks pretty good.
>
> Once you implement full cluster shutdown I can provide you with another
> script stressing that part.
I am done with the cluster power on/off code and it seems to work fine
with bL_switcher. Can you please provide me with your stress script.

Regards,
Abhilash
>
>
> Nicolas



More information about the linux-arm-kernel mailing list