Re: [RFC][PATCH 0/5] select_idle_sibling() wreckage

2021-01-04 Thread Mel Gorman
On Wed, Dec 23, 2020 at 02:23:41PM +0100, Vincent Guittot wrote: > > Tests are still running on my side but early results shows perf > > regression for hackbench > > Few more results before being off: > On small embedded system, the problem seems to be mainly a matter of > setting the right

Re: [RFC][PATCH 0/5] select_idle_sibling() wreckage

2020-12-23 Thread Vincent Guittot
On Wed, 16 Dec 2020 at 19:07, Vincent Guittot wrote: > > On Wed, 16 Dec 2020 at 14:00, Li, Aubrey wrote: > > > > Hi Peter, > > > > On 2020/12/15 0:48, Peter Zijlstra wrote: > > > Hai, here them patches Mel asked for. They've not (yet) been through the > > > robots, so there might be some build

Re: [RFC][PATCH 0/5] select_idle_sibling() wreckage

2020-12-16 Thread Vincent Guittot
On Wed, 16 Dec 2020 at 14:00, Li, Aubrey wrote: > > Hi Peter, > > On 2020/12/15 0:48, Peter Zijlstra wrote: > > Hai, here them patches Mel asked for. They've not (yet) been through the > > robots, so there might be some build fail for configs I've not used. > > > > Benchmark time :-) > > > > Here

Re: [RFC][PATCH 0/5] select_idle_sibling() wreckage

2020-12-16 Thread Li, Aubrey
Hi Peter, On 2020/12/15 0:48, Peter Zijlstra wrote: > Hai, here them patches Mel asked for. They've not (yet) been through the > robots, so there might be some build fail for configs I've not used. > > Benchmark time :-) > Here is the data on my side, benchmarks were tested on a x86 4 sockets

[RFC][PATCH 0/5] select_idle_sibling() wreckage

2020-12-14 Thread Peter Zijlstra
Hai, here them patches Mel asked for. They've not (yet) been through the robots, so there might be some build fail for configs I've not used. Benchmark time :-) --- include/linux/sched/topology.h |1 kernel/sched/core.c| 19 +++- kernel/sched/fair.c| 171