Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-17 Thread Vincent Guittot
On 14 August 2015 at 13:39, Juri Lelli juri.le...@arm.com wrote: Hi vincent, On 13/08/15 13:08, Vincent Guittot wrote: On 12 August 2015 at 17:15, Juri Lelli juri.le...@arm.com wrote: On 11/08/15 17:37, Vincent Guittot wrote: On 11 August 2015 at 17:07, Juri Lelli juri.le...@arm.com wrote:

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-17 Thread Rafael J. Wysocki
On Saturday, August 15, 2015 02:48:17 PM Peter Zijlstra wrote: So this OPP thing, I think that got mentioned once earlier in this patch set, wth is that? OPP stands for Operating Performance Points. It is a library for representing working clock-voltage combinations. Described in

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-15 Thread Michael Turquette
Quoting Peter Zijlstra (2015-08-15 05:48:17) So this OPP thing, I think that got mentioned once earlier in this patch set, wth is that? OPP == OPerating Point == P-state In System-on-chip Land OPP is a very common term, roughly defined as a frequency voltage pair that makes up a

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-15 Thread Peter Zijlstra
So this OPP thing, I think that got mentioned once earlier in this patch set, wth is that? -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-14 Thread Juri Lelli
Hi vincent, On 13/08/15 13:08, Vincent Guittot wrote: On 12 August 2015 at 17:15, Juri Lelli juri.le...@arm.com wrote: On 11/08/15 17:37, Vincent Guittot wrote: On 11 August 2015 at 17:07, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 11/08/15 12:41, Vincent Guittot wrote: On 11

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-13 Thread Vincent Guittot
On 12 August 2015 at 17:15, Juri Lelli juri.le...@arm.com wrote: On 11/08/15 17:37, Vincent Guittot wrote: On 11 August 2015 at 17:07, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 11/08/15 12:41, Vincent Guittot wrote: On 11 August 2015 at 11:08, Juri Lelli juri.le...@arm.com wrote:

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-12 Thread Juri Lelli
On 11/08/15 17:37, Vincent Guittot wrote: On 11 August 2015 at 17:07, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 11/08/15 12:41, Vincent Guittot wrote: On 11 August 2015 at 11:08, Juri Lelli juri.le...@arm.com wrote: On 10/08/15 16:07, Vincent Guittot wrote: On 10 August 2015 at

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-11 Thread Juri Lelli
On 10/08/15 16:07, Vincent Guittot wrote: On 10 August 2015 at 15:43, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 04/08/15 14:41, Vincent Guittot wrote: Hi Juri, On 7 July 2015 at 20:24, Morten Rasmussen morten.rasmus...@arm.com wrote: From: Juri Lelli juri.le...@arm.com Each

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-11 Thread Vincent Guittot
On 11 August 2015 at 11:08, Juri Lelli juri.le...@arm.com wrote: On 10/08/15 16:07, Vincent Guittot wrote: On 10 August 2015 at 15:43, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 04/08/15 14:41, Vincent Guittot wrote: Hi Juri, On 7 July 2015 at 20:24, Morten Rasmussen

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-11 Thread Juri Lelli
Hi Vincent, On 11/08/15 12:41, Vincent Guittot wrote: On 11 August 2015 at 11:08, Juri Lelli juri.le...@arm.com wrote: On 10/08/15 16:07, Vincent Guittot wrote: On 10 August 2015 at 15:43, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 04/08/15 14:41, Vincent Guittot wrote: Hi Juri,

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-11 Thread Vincent Guittot
On 11 August 2015 at 17:07, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 11/08/15 12:41, Vincent Guittot wrote: On 11 August 2015 at 11:08, Juri Lelli juri.le...@arm.com wrote: On 10/08/15 16:07, Vincent Guittot wrote: On 10 August 2015 at 15:43, Juri Lelli juri.le...@arm.com wrote:

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-10 Thread Vincent Guittot
On 10 August 2015 at 15:43, Juri Lelli juri.le...@arm.com wrote: Hi Vincent, On 04/08/15 14:41, Vincent Guittot wrote: Hi Juri, On 7 July 2015 at 20:24, Morten Rasmussen morten.rasmus...@arm.com wrote: From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-10 Thread Juri Lelli
Hi Vincent, On 04/08/15 14:41, Vincent Guittot wrote: Hi Juri, On 7 July 2015 at 20:24, Morten Rasmussen morten.rasmus...@arm.com wrote: From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might need to adapt the current frequency to the new usage. Add triggers on

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-08-04 Thread Vincent Guittot
Hi Juri, On 7 July 2015 at 20:24, Morten Rasmussen morten.rasmus...@arm.com wrote: From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might need to adapt the current frequency to the new usage. Add triggers on {en,de}queue_task_fair() for this purpose. Only trigger a

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-07-09 Thread Juri Lelli
Hi Mike, On 08/07/15 16:42, Michael Turquette wrote: Hi Juri, Quoting Morten Rasmussen (2015-07-07 11:24:24) From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might need to adapt the current frequency to the new usage. Add triggers on {en,de}queue_task_fair() for

Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-07-08 Thread Michael Turquette
Hi Juri, Quoting Morten Rasmussen (2015-07-07 11:24:24) From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might need to adapt the current frequency to the new usage. Add triggers on {en,de}queue_task_fair() for this purpose. Only trigger a freq request if we are

[RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

2015-07-07 Thread Morten Rasmussen
From: Juri Lelli juri.le...@arm.com Each time a task is {en,de}queued we might need to adapt the current frequency to the new usage. Add triggers on {en,de}queue_task_fair() for this purpose. Only trigger a freq request if we are effectively waking up or going to sleep. Filter out load