lkml.org 
[lkml]   [2018]   [May]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] sched/fair: update scale invariance of PELT
On 18-May 11:36, Peter Zijlstra wrote:
>
> Replying to the latest version available; given the current interest I
> figure I'd re-read some of the old threads and look at this stuff again.
>
> On Fri, Apr 28, 2017 at 04:23:55PM +0200, Vincent Guittot wrote:
>
> > diff --git a/include/linux/sched.h b/include/linux/sched.h
> > index 0978fb7..f8dde36 100644
> > --- a/include/linux/sched.h
> > +++ b/include/linux/sched.h
> > @@ -313,6 +313,7 @@ struct load_weight {
> > */
> > struct sched_avg {
> > u64 last_update_time;
> > + u64 stolen_idle_time;
> > u64 load_sum;
> > u32 util_sum;
> > u32 period_contrib;
>
> Right, so sadly Patrick stole that space with the util_est bits.

Sorry :(

However, I remember we already talked about the idea to
update load_avg and runnable_load_avg to use u32:

https://marc.info/?l=linux-kernel&m=151334269426419&w=2

--
#include <best/regards.h>

Patrick Bellasi

\
 
 \ /
  Last update: 2018-05-18 12:18    [W:0.066 / U:4.512 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site