Re: [RFC/PATCH] Add sysfs control to modify a user's cpu share

Dave Jones
2007-10-01T16:13:05Z

On Mon, Oct 01, 2007 at 07:34:54PM +0530, Dhaval Giani wrote:
> Hi Ingo,
>
> Adds tunables in sysfs to modify a user's cpu share.
>
> A directory is created in sysfs for each new user in the system.
>
> /sys/kernel/uids/<uid>/cpu_share
>
> Reading this file returns the cpu shares granted for the user.
> Writing into this file modifies the cpu share for the user. Only an
> administrator is allowed to modify a user's cpu share.
>
> Ex:
> # cd /sys/kernel/uids/
> # cat 512/cpu_share
> 1024
> # echo 2048 > 512/cpu_share
> # cat 512/cpu_share
> 2048
> #

Can we start adding stuff to Documentation/ for new files created
in sysfs ? There's so much undocumented stuff in there now that
it's unfunny.

A great start would be 'wtf is a cpu_share and why would I want to
change it' ?

Dave

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