Re: [PATCH 03/16] sched: aggregate load contributed by taskentities on parenting cfs_rq

From: Peter Zijlstra
Date: Wed Jul 04 2012 - 11:29:06 EST


On Wed, 2012-06-27 at 19:24 -0700, Paul Turner wrote:
> For a given task t, we can compute its contribution to load as:
> task_load(t) = runnable_avg(t) * weight(t)
>
> On a parenting cfs_rq we can then aggregate
> runnable_load(cfs_rq) = \Sum task_load(t), for all runnable children t
>
> Maintain this bottom up, with task entities adding their contributed load to
> the parenting cfs_rq sum. When a task entities load changes we add the same
> delta to the maintained sum.
>
> Signed-off-by: Paul Turner <pjt@xxxxxxxxxx>
> Signed-off-by: Ben Segall <bsegall@xxxxxxxxxx>

A lot of patches have this funny sob trail.. Ben never send me these
patches, so uhm. ?

Should that be Reviewed-by, or what is the deal with those?

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