Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread Jiang Biao
On Thu, 20 Aug 2020 at 22:36, Vincent Guittot wrote: > > On Thu, 20 Aug 2020 at 16:28, Jiang Biao wrote: > > > > On Thu, 20 Aug 2020 at 20:46, Vincent Guittot > > wrote: > > > > > > On Thu, 20 Aug 2020 at 13:28, benbjiang(蒋彪) wrote: > > > > > > > > > > > > > > > > > On Aug 20, 2020, at 3:35 PM,

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread Vincent Guittot
On Thu, 20 Aug 2020 at 16:28, Jiang Biao wrote: > > On Thu, 20 Aug 2020 at 20:46, Vincent Guittot > wrote: > > > > On Thu, 20 Aug 2020 at 13:28, benbjiang(蒋彪) wrote: > > > > > > > > > > > > > On Aug 20, 2020, at 3:35 PM, Vincent Guittot > > > > wrote: > > > > > > > > On Thu, 20 Aug 2020 at 02:

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread Jiang Biao
On Thu, 20 Aug 2020 at 20:46, Vincent Guittot wrote: > > On Thu, 20 Aug 2020 at 13:28, benbjiang(蒋彪) wrote: > > > > > > > > > On Aug 20, 2020, at 3:35 PM, Vincent Guittot > > > wrote: > > > > > > On Thu, 20 Aug 2020 at 02:13, benbjiang(蒋彪) wrote: > > >> > > >> > > >> > > >>> On Aug 19, 2020, a

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread Vincent Guittot
On Thu, 20 Aug 2020 at 13:28, benbjiang(蒋彪) wrote: > > > > > On Aug 20, 2020, at 3:35 PM, Vincent Guittot > > wrote: > > > > On Thu, 20 Aug 2020 at 02:13, benbjiang(蒋彪) wrote: > >> > >> > >> > >>> On Aug 19, 2020, at 10:55 PM, Vincent Guittot > >>> wrote: > >>> > >>> On Wed, 19 Aug 2020 at 16

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread 蒋彪
> On Aug 20, 2020, at 3:35 PM, Vincent Guittot > wrote: > > On Thu, 20 Aug 2020 at 02:13, benbjiang(蒋彪) wrote: >> >> >> >>> On Aug 19, 2020, at 10:55 PM, Vincent Guittot >>> wrote: >>> >>> On Wed, 19 Aug 2020 at 16:27, benbjiang(蒋彪) wrote: > On Aug 19, 2020, at 7:

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-20 Thread Vincent Guittot
On Thu, 20 Aug 2020 at 02:13, benbjiang(蒋彪) wrote: > > > > > On Aug 19, 2020, at 10:55 PM, Vincent Guittot > > wrote: > > > > On Wed, 19 Aug 2020 at 16:27, benbjiang(蒋彪) wrote: > >> > >> > >> > >>> On Aug 19, 2020, at 7:55 PM, Dietmar Eggemann > >>> wrote: > >>> > >>> On 19/08/2020 13:05, Vin

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread 蒋彪
> On Aug 19, 2020, at 10:55 PM, Vincent Guittot > wrote: > > On Wed, 19 Aug 2020 at 16:27, benbjiang(蒋彪) wrote: >> >> >> >>> On Aug 19, 2020, at 7:55 PM, Dietmar Eggemann >>> wrote: >>> >>> On 19/08/2020 13:05, Vincent Guittot wrote: On Wed, 19 Aug 2020 at 12:46, Dietmar Eggemann

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread Vincent Guittot
On Wed, 19 Aug 2020 at 16:27, benbjiang(蒋彪) wrote: > > > > > On Aug 19, 2020, at 7:55 PM, Dietmar Eggemann > > wrote: > > > > On 19/08/2020 13:05, Vincent Guittot wrote: > >> On Wed, 19 Aug 2020 at 12:46, Dietmar Eggemann > >> wrote: > >>> > >>> On 17/08/2020 14:05, benbjiang(蒋彪) wrote: >

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread 蒋彪
> On Aug 19, 2020, at 7:55 PM, Dietmar Eggemann > wrote: > > On 19/08/2020 13:05, Vincent Guittot wrote: >> On Wed, 19 Aug 2020 at 12:46, Dietmar Eggemann >> wrote: >>> >>> On 17/08/2020 14:05, benbjiang(蒋彪) wrote: > On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann > wrot

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread 蒋彪
> On Aug 19, 2020, at 6:46 PM, Dietmar Eggemann > wrote: > > On 17/08/2020 14:05, benbjiang(蒋彪) wrote: >> >> >>> On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann >>> wrote: >>> >>> On 14/08/2020 01:55, benbjiang(蒋彪) wrote: Hi, > On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread Dietmar Eggemann
On 19/08/2020 13:05, Vincent Guittot wrote: > On Wed, 19 Aug 2020 at 12:46, Dietmar Eggemann > wrote: >> >> On 17/08/2020 14:05, benbjiang(蒋彪) wrote: >>> >>> On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann wrote: On 14/08/2020 01:55, benbjiang(蒋彪) wrote: > Hi, > >>

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread Vincent Guittot
On Wed, 19 Aug 2020 at 12:46, Dietmar Eggemann wrote: > > On 17/08/2020 14:05, benbjiang(蒋彪) wrote: > > > > > >> On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann > >> wrote: > >> > >> On 14/08/2020 01:55, benbjiang(蒋彪) wrote: > >>> Hi, > >>> > On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann >

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-19 Thread Dietmar Eggemann
On 17/08/2020 14:05, benbjiang(蒋彪) wrote: > > >> On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann >> wrote: >> >> On 14/08/2020 01:55, benbjiang(蒋彪) wrote: >>> Hi, >>> On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann wrote: On 12/08/2020 05:19, benbjiang(蒋彪) wrote: > Hi, >>>

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-17 Thread 蒋彪
> On Aug 17, 2020, at 4:57 PM, Dietmar Eggemann > wrote: > > On 14/08/2020 01:55, benbjiang(蒋彪) wrote: >> Hi, >> >>> On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann >>> wrote: >>> >>> On 12/08/2020 05:19, benbjiang(蒋彪) wrote: Hi, > On Aug 11, 2020, at 11:54 PM, Dietmar Eggeman

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-17 Thread Dietmar Eggemann
On 14/08/2020 01:55, benbjiang(蒋彪) wrote: > Hi, > >> On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann >> wrote: >> >> On 12/08/2020 05:19, benbjiang(蒋彪) wrote: >>> Hi, >>> On Aug 11, 2020, at 11:54 PM, Dietmar Eggemann wrote: On 11/08/2020 02:41, benbjiang(蒋彪) wrote: > Hi,

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-13 Thread 蒋彪
Hi, > On Aug 13, 2020, at 2:39 AM, Dietmar Eggemann > wrote: > > On 12/08/2020 05:19, benbjiang(蒋彪) wrote: >> Hi, >> >>> On Aug 11, 2020, at 11:54 PM, Dietmar Eggemann >>> wrote: >>> >>> On 11/08/2020 02:41, benbjiang(蒋彪) wrote: Hi, > On Aug 10, 2020, at 9:24 PM, Dietmar Egge

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-12 Thread Dietmar Eggemann
On 12/08/2020 05:19, benbjiang(蒋彪) wrote: > Hi, > >> On Aug 11, 2020, at 11:54 PM, Dietmar Eggemann >> wrote: >> >> On 11/08/2020 02:41, benbjiang(蒋彪) wrote: >>> Hi, >>> On Aug 10, 2020, at 9:24 PM, Dietmar Eggemann wrote: On 06/08/2020 17:52, benbjiang(蒋彪) wrote: > Hi,

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-11 Thread 蒋彪
Hi, > On Aug 11, 2020, at 11:54 PM, Dietmar Eggemann > wrote: > > On 11/08/2020 02:41, benbjiang(蒋彪) wrote: >> Hi, >> >>> On Aug 10, 2020, at 9:24 PM, Dietmar Eggemann >>> wrote: >>> >>> On 06/08/2020 17:52, benbjiang(蒋彪) wrote: Hi, > On Aug 6, 2020, at 9:29 PM, Dietmar Egge

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-11 Thread Dietmar Eggemann
On 11/08/2020 02:41, benbjiang(蒋彪) wrote: > Hi, > >> On Aug 10, 2020, at 9:24 PM, Dietmar Eggemann >> wrote: >> >> On 06/08/2020 17:52, benbjiang(蒋彪) wrote: >>> Hi, >>> On Aug 6, 2020, at 9:29 PM, Dietmar Eggemann wrote: On 03/08/2020 13:26, benbjiang(蒋彪) wrote: >

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-10 Thread 蒋彪
Hi, > On Aug 10, 2020, at 9:24 PM, Dietmar Eggemann > wrote: > > On 06/08/2020 17:52, benbjiang(蒋彪) wrote: >> Hi, >> >>> On Aug 6, 2020, at 9:29 PM, Dietmar Eggemann >>> wrote: >>> >>> On 03/08/2020 13:26, benbjiang(蒋彪) wrote: > On Aug 3, 2020, at 4:16 PM, Dietmar Eggemann

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-10 Thread Dietmar Eggemann
On 06/08/2020 17:52, benbjiang(蒋彪) wrote: > Hi, > >> On Aug 6, 2020, at 9:29 PM, Dietmar Eggemann >> wrote: >> >> On 03/08/2020 13:26, benbjiang(蒋彪) wrote: >>> >>> On Aug 3, 2020, at 4:16 PM, Dietmar Eggemann wrote: On 01/08/2020 04:32, Jiang Biao wrote: > From: Jiang

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-06 Thread Dietmar Eggemann
On 03/08/2020 13:26, benbjiang(蒋彪) wrote: > > >> On Aug 3, 2020, at 4:16 PM, Dietmar Eggemann >> wrote: >> >> On 01/08/2020 04:32, Jiang Biao wrote: >>> From: Jiang Biao >>> >>> No need to preempt when there are only one runable CFS task with >>> other IDLE tasks on runqueue. The only one CFS

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-06 Thread 蒋彪
Hi, > On Aug 6, 2020, at 9:29 PM, Dietmar Eggemann wrote: > > On 03/08/2020 13:26, benbjiang(蒋彪) wrote: >> >> >>> On Aug 3, 2020, at 4:16 PM, Dietmar Eggemann >>> wrote: >>> >>> On 01/08/2020 04:32, Jiang Biao wrote: From: Jiang Biao No need to preempt when there are only

Re: [PATCH] sched/fair: reduce preemption with IDLE tasks runable(Internet mail)

2020-08-03 Thread 蒋彪
> On Aug 3, 2020, at 4:16 PM, Dietmar Eggemann wrote: > > On 01/08/2020 04:32, Jiang Biao wrote: >> From: Jiang Biao >> >> No need to preempt when there are only one runable CFS task with >> other IDLE tasks on runqueue. The only one CFS task would always >> be picked in that case. >> >> Sig