Re: [RFT][PATCH v4 1/7] time: tick-sched: Reorganize idle tick management code

2018-03-15 Thread Frederic Weisbecker
On Wed, Mar 14, 2018 at 06:20:16PM +0100, Peter Zijlstra wrote: > On Wed, Mar 14, 2018 at 04:49:39PM +0100, Frederic Weisbecker wrote: > > On Mon, Mar 12, 2018 at 10:47:41AM +0100, Rafael J. Wysocki wrote: > > > > @@ -136,6 +138,13 @@ static inline u64 get_cpu_idle_time_us(i > > > static inline u

Re: [RFT][PATCH v4 1/7] time: tick-sched: Reorganize idle tick management code

2018-03-15 Thread Rafael J. Wysocki
On Wednesday, March 14, 2018 4:49:39 PM CET Frederic Weisbecker wrote: > On Mon, Mar 12, 2018 at 10:47:41AM +0100, Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki > > > > Prepare the scheduler tick code for reworking the idle loop to > > avoid stopping the tick in some cases. > > > > Move a

Re: [RFT][PATCH v4 1/7] time: tick-sched: Reorganize idle tick management code

2018-03-14 Thread Peter Zijlstra
On Wed, Mar 14, 2018 at 04:49:39PM +0100, Frederic Weisbecker wrote: > On Mon, Mar 12, 2018 at 10:47:41AM +0100, Rafael J. Wysocki wrote: > > @@ -136,6 +138,13 @@ static inline u64 get_cpu_idle_time_us(i > > static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return > > -1; } > > #

Re: [RFT][PATCH v4 1/7] time: tick-sched: Reorganize idle tick management code

2018-03-14 Thread Frederic Weisbecker
On Mon, Mar 12, 2018 at 10:47:41AM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > Prepare the scheduler tick code for reworking the idle loop to > avoid stopping the tick in some cases. > > Move away the tick_nohz_start_idle() invocation from > __tick_nohz_idle_enter(), rename the

[RFT][PATCH v4 1/7] time: tick-sched: Reorganize idle tick management code

2018-03-12 Thread Rafael J. Wysocki
From: Rafael J. Wysocki Prepare the scheduler tick code for reworking the idle loop to avoid stopping the tick in some cases. Move away the tick_nohz_start_idle() invocation from __tick_nohz_idle_enter(), rename the latter to __tick_nohz_idle_stop_tick() and define tick_nohz_idle_stop_tick() as