Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-12 Thread Vincent Guittot
On Fri, 11 Dec 2020 at 11:23, Mel Gorman wrote: > > On Fri, Dec 11, 2020 at 10:51:17AM +0100, Vincent Guittot wrote: > > On Thu, 10 Dec 2020 at 12:04, Mel Gorman > > wrote: > > > > > > On Thu, Dec 10, 2020 at 10:38:37AM +0100, Vincent Guittot wrote: > > > > > while testing your patchset and

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-11 Thread Mel Gorman
On Fri, Dec 11, 2020 at 10:51:17AM +0100, Vincent Guittot wrote: > On Thu, 10 Dec 2020 at 12:04, Mel Gorman wrote: > > > > On Thu, Dec 10, 2020 at 10:38:37AM +0100, Vincent Guittot wrote: > > > > while testing your patchset and Aubrey one on top of tip, I'm facing > > > > some perf regression on

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-11 Thread Vincent Guittot
On Thu, 10 Dec 2020 at 12:04, Mel Gorman wrote: > > On Thu, Dec 10, 2020 at 10:38:37AM +0100, Vincent Guittot wrote: > > > while testing your patchset and Aubrey one on top of tip, I'm facing > > > some perf regression on my arm64 numa system on hackbench and reaim. > > > The regression seems to

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-10 Thread Mel Gorman
On Thu, Dec 10, 2020 at 10:38:37AM +0100, Vincent Guittot wrote: > > while testing your patchset and Aubrey one on top of tip, I'm facing > > some perf regression on my arm64 numa system on hackbench and reaim. > > The regression seems to comes from your patchset but i don't know > > which patch

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-10 Thread Vincent Guittot
On Thu, 10 Dec 2020 at 09:00, Vincent Guittot wrote: > > On Wed, 9 Dec 2020 at 15:37, Mel Gorman wrote: > > > > On Tue, Dec 08, 2020 at 03:34:57PM +, Mel Gorman wrote: > > > Changelog since v1 > > > o Drop single-pass patch > > > (vincent) > > >

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-10 Thread Vincent Guittot
On Wed, 9 Dec 2020 at 15:37, Mel Gorman wrote: > > On Tue, Dec 08, 2020 at 03:34:57PM +, Mel Gorman wrote: > > Changelog since v1 > > o Drop single-pass patch > > (vincent) > > o Scope variables used for SIS_AVG_CPU

Re: [PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-09 Thread Mel Gorman
On Tue, Dec 08, 2020 at 03:34:57PM +, Mel Gorman wrote: > Changelog since v1 > o Drop single-pass patch > (vincent) > o Scope variables used for SIS_AVG_CPU > (dietmar) > o Remove redundant assignment

[PATCH 0/4] Reduce scanning of runqueues in select_idle_sibling

2020-12-08 Thread Mel Gorman
Changelog since v1 o Drop single-pass patch (vincent) o Scope variables used for SIS_AVG_CPU (dietmar) o Remove redundant assignment (dietmar This reduces the amount of