Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16/03/17 09:58, Joel Fernandes wrote: > On Thu, Mar 16, 2017 at 5:44 AM, Juri Lelli wrote: > > On 16/03/17 12:27, Patrick Bellasi wrote: > >> On 16-Mar 11:16, Juri Lelli wrote: > >> > On 15/03/17 16:40, Joel Fernandes wrote: > >> > > On Wed, Mar 15, 2017 at 9:24 AM, Juri

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16/03/17 09:58, Joel Fernandes wrote: > On Thu, Mar 16, 2017 at 5:44 AM, Juri Lelli wrote: > > On 16/03/17 12:27, Patrick Bellasi wrote: > >> On 16-Mar 11:16, Juri Lelli wrote: > >> > On 15/03/17 16:40, Joel Fernandes wrote: > >> > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > >> > >

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Thu, Mar 16, 2017 at 5:44 AM, Juri Lelli wrote: > On 16/03/17 12:27, Patrick Bellasi wrote: >> On 16-Mar 11:16, Juri Lelli wrote: >> > On 15/03/17 16:40, Joel Fernandes wrote: >> > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: >> > > [..] >> > >

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Thu, Mar 16, 2017 at 5:44 AM, Juri Lelli wrote: > On 16/03/17 12:27, Patrick Bellasi wrote: >> On 16-Mar 11:16, Juri Lelli wrote: >> > On 15/03/17 16:40, Joel Fernandes wrote: >> > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: >> > > [..] >> > > > >> > > >> > However, trying to quickly

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16/03/17 12:27, Patrick Bellasi wrote: > On 16-Mar 11:16, Juri Lelli wrote: > > On 15/03/17 16:40, Joel Fernandes wrote: > > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > > > [..] > > > > > > > >> > However, trying to quickly summarize how that would work (for who

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16/03/17 12:27, Patrick Bellasi wrote: > On 16-Mar 11:16, Juri Lelli wrote: > > On 15/03/17 16:40, Joel Fernandes wrote: > > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > > > [..] > > > > > > > >> > However, trying to quickly summarize how that would work (for who is > > > >> >

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16-Mar 11:16, Juri Lelli wrote: > On 15/03/17 16:40, Joel Fernandes wrote: > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > > [..] > > > > > >> > However, trying to quickly summarize how that would work (for who is > > >> > already somewhat familiar with reclaiming

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 16-Mar 11:16, Juri Lelli wrote: > On 15/03/17 16:40, Joel Fernandes wrote: > > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > > [..] > > > > > >> > However, trying to quickly summarize how that would work (for who is > > >> > already somewhat familiar with reclaiming bits): > > >> > > >

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 15/03/17 16:40, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > [..] > > > >> > However, trying to quickly summarize how that would work (for who is > >> > already somewhat familiar with reclaiming bits): > >> > > >> > - a task utilization

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 15/03/17 16:40, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: > [..] > > > >> > However, trying to quickly summarize how that would work (for who is > >> > already somewhat familiar with reclaiming bits): > >> > > >> > - a task utilization contribution is

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: [..] > >> > However, trying to quickly summarize how that would work (for who is >> > already somewhat familiar with reclaiming bits): >> > >> > - a task utilization contribution is accounted for (at rq level) as >> >soon

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 9:24 AM, Juri Lelli wrote: [..] > >> > However, trying to quickly summarize how that would work (for who is >> > already somewhat familiar with reclaiming bits): >> > >> > - a task utilization contribution is accounted for (at rq level) as >> >soon as it wakes up for

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 15/03/17 09:13, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 7:44 AM, Juri Lelli wrote: > > Hi Joel, > > > > On 15/03/17 05:59, Joel Fernandes wrote: > >> On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi > >> wrote: > >> > On 13-Mar 03:08, Joel

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 15/03/17 09:13, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 7:44 AM, Juri Lelli wrote: > > Hi Joel, > > > > On 15/03/17 05:59, Joel Fernandes wrote: > >> On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi > >> wrote: > >> > On 13-Mar 03:08, Joel Fernandes (Google) wrote: > >> >> Hi Patrick,

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 7:44 AM, Juri Lelli wrote: > Hi Joel, > > On 15/03/17 05:59, Joel Fernandes wrote: >> On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi >> wrote: >> > On 13-Mar 03:08, Joel Fernandes (Google) wrote: >> >> Hi Patrick, >> >> >> >>

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 7:44 AM, Juri Lelli wrote: > Hi Joel, > > On 15/03/17 05:59, Joel Fernandes wrote: >> On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi >> wrote: >> > On 13-Mar 03:08, Joel Fernandes (Google) wrote: >> >> Hi Patrick, >> >> >> >> On Tue, Feb 28, 2017 at 6:38 AM, Patrick

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

Hi Joel, On 15/03/17 05:59, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi > wrote: > > On 13-Mar 03:08, Joel Fernandes (Google) wrote: > >> Hi Patrick, > >> > >> On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi > >>

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

Hi Joel, On 15/03/17 05:59, Joel Fernandes wrote: > On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi > wrote: > > On 13-Mar 03:08, Joel Fernandes (Google) wrote: > >> Hi Patrick, > >> > >> On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi > >> wrote: > >> > Currently schedutil enforce a maximum

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi wrote: > On 13-Mar 03:08, Joel Fernandes (Google) wrote: >> Hi Patrick, >> >> On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi >> wrote: >> > Currently schedutil enforce a maximum OPP when RT/DL

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On Wed, Mar 15, 2017 at 4:40 AM, Patrick Bellasi wrote: > On 13-Mar 03:08, Joel Fernandes (Google) wrote: >> Hi Patrick, >> >> On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi >> wrote: >> > Currently schedutil enforce a maximum OPP when RT/DL tasks are RUNNABLE. >> > Such a mandatory policy can

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 13-Mar 03:08, Joel Fernandes (Google) wrote: > Hi Patrick, > > On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi > wrote: > > Currently schedutil enforce a maximum OPP when RT/DL tasks are RUNNABLE. > > Such a mandatory policy can be made more tunable from userspace

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

On 13-Mar 03:08, Joel Fernandes (Google) wrote: > Hi Patrick, > > On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi > wrote: > > Currently schedutil enforce a maximum OPP when RT/DL tasks are RUNNABLE. > > Such a mandatory policy can be made more tunable from userspace thus > > allowing for

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

Hi Patrick, On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi wrote: > Currently schedutil enforce a maximum OPP when RT/DL tasks are RUNNABLE. > Such a mandatory policy can be made more tunable from userspace thus > allowing for example to define a reasonable max

Re: [RFC v3 5/5] sched/{core,cpufreq_schedutil}: add capacity clamping for RT/DL tasks

Hi Patrick, On Tue, Feb 28, 2017 at 6:38 AM, Patrick Bellasi wrote: > Currently schedutil enforce a maximum OPP when RT/DL tasks are RUNNABLE. > Such a mandatory policy can be made more tunable from userspace thus > allowing for example to define a reasonable max capacity (i.e. > frequency)