Re: [PATCH] sched,nohz: fallback to housekeeping cpus before fallback to possible cpus

2015-04-01 Thread Peter Zijlstra
On Wed, Apr 01, 2015 at 05:06:12PM +0800, Lai Jiangshan wrote: > Let the processes which lose they original cpus run on housekeeping cpus > if they can to reduce disturbances on nohz_full cpus. Its a fail if you get here in the first place, why should we fix that? -- To unsubscribe from this

[PATCH] sched,nohz: fallback to housekeeping cpus before fallback to possible cpus

2015-04-01 Thread Lai Jiangshan
Let the processes which lose they original cpus run on housekeeping cpus if they can to reduce disturbances on nohz_full cpus. Cc: Thomas Gleixner Cc: Christoph Lameter Cc: Kevin Hilman Cc: Mike Galbraith Cc: Viresh Kumar Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Peter Zijlstra

[PATCH] sched,nohz: fallback to housekeeping cpus before fallback to possible cpus

2015-04-01 Thread Lai Jiangshan
Let the processes which lose they original cpus run on housekeeping cpus if they can to reduce disturbances on nohz_full cpus. Cc: Thomas Gleixner t...@linutronix.de Cc: Christoph Lameter c...@linux.com Cc: Kevin Hilman khil...@linaro.org Cc: Mike Galbraith bitbuc...@online.de Cc: Viresh Kumar

Re: [PATCH] sched,nohz: fallback to housekeeping cpus before fallback to possible cpus

2015-04-01 Thread Peter Zijlstra
On Wed, Apr 01, 2015 at 05:06:12PM +0800, Lai Jiangshan wrote: Let the processes which lose they original cpus run on housekeeping cpus if they can to reduce disturbances on nohz_full cpus. Its a fail if you get here in the first place, why should we fix that? -- To unsubscribe from this list: