Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

On Thu, 15 Feb 2018, Frederic Weisbecker wrote: > As we prepare for offloading the residual 1hz scheduler ticks to > workqueue, let's affine those to housekeepers so that they don't > interrupt the CPUs that don't want to be disturbed. > > Signed-off-by: Frederic Weisbecker

Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

On Thu, 15 Feb 2018, Frederic Weisbecker wrote: > As we prepare for offloading the residual 1hz scheduler ticks to > workqueue, let's affine those to housekeepers so that they don't > interrupt the CPUs that don't want to be disturbed. > > Signed-off-by: Frederic Weisbecker Reviewed-by: Thomas

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter Cc: Luiz Capitulino Cc: Mike

Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

On Fri, Feb 09, 2018 at 07:55:44AM +0100, Ingo Molnar wrote: > > * Frederic Weisbecker wrote: > > > - flags = HK_FLAG_TICK | HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC; > > + flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER | > > + HK_FLAG_RCU | HK_FLAG_MISC;

Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

On Fri, Feb 09, 2018 at 07:55:44AM +0100, Ingo Molnar wrote: > > * Frederic Weisbecker wrote: > > > - flags = HK_FLAG_TICK | HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC; > > + flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER | > > + HK_FLAG_RCU | HK_FLAG_MISC; > > > -

Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

* Frederic Weisbecker wrote: > - flags = HK_FLAG_TICK | HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC; > + flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER | > + HK_FLAG_RCU | HK_FLAG_MISC; > - cpumask_copy(wq_unbound_cpumask,

Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

* Frederic Weisbecker wrote: > - flags = HK_FLAG_TICK | HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC; > + flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER | > + HK_FLAG_RCU | HK_FLAG_MISC; > - cpumask_copy(wq_unbound_cpumask, housekeeping_cpumask(HK_FLAG_DOMAIN)); > +

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter Cc: Luiz Capitulino Cc: Mike

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph

[PATCH 3/6] sched/isolation: Isolate workqueues when "nohz_full=" is set

As we prepare for offloading the residual 1hz scheduler ticks to workqueue, let's affine those to housekeepers so that they don't interrupt the CPUs that don't want to be disturbed. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter Cc: Luiz Capitulino Cc: Mike