Re: [PATCH 3/3] sched/fair: reduce cases for active balance

2021-01-06 Thread Peter Zijlstra
On Wed, Jan 06, 2021 at 04:41:04PM +0100, Vincent Guittot wrote: > Let me try again: > > Active balance is triggered for a number of voluntary cases like > misfit or pinned tasks cases but also after that a number of load > balance attempts failed to migrate a task. There is no need to use >

Re: [PATCH 3/3] sched/fair: reduce cases for active balance

2021-01-06 Thread Vincent Guittot
On Wed, 6 Jan 2021 at 16:13, Peter Zijlstra wrote: > > On Wed, Jan 06, 2021 at 02:34:19PM +0100, Vincent Guittot wrote: > > Active balance is triggered for a number of voluntary case like misfit or > cases > > pinned tasks cases but also

Re: [PATCH 3/3] sched/fair: reduce cases for active balance

2021-01-06 Thread Peter Zijlstra
On Wed, Jan 06, 2021 at 02:34:19PM +0100, Vincent Guittot wrote: > Active balance is triggered for a number of voluntary case like misfit or cases > pinned tasks cases but also after that a number of load balance failed to

[PATCH 3/3] sched/fair: reduce cases for active balance

2021-01-06 Thread Vincent Guittot
Active balance is triggered for a number of voluntary case like misfit or pinned tasks cases but also after that a number of load balance failed to migrate a task. Remove the active load balance case for overloaded group as an overloaded state means that there is at least one waiting tasks. The