Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-11 Thread Saravana Kannan
On 07/04/2017 10:34 AM, Patrick Bellasi wrote: In system where multiple CPUs shares the same frequency domain a small workload on a CPU can still be subject to frequency spikes, generated by the activation of the sugov's kthread. Since the sugov kthread is a special RT task, which goal is just

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-11 Thread Saravana Kannan
On 07/04/2017 10:34 AM, Patrick Bellasi wrote: In system where multiple CPUs shares the same frequency domain a small workload on a CPU can still be subject to frequency spikes, generated by the activation of the sugov's kthread. Since the sugov kthread is a special RT task, which goal is just

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-06 Thread Rafael J. Wysocki
On Wednesday, July 05, 2017 12:38:34 PM Patrick Bellasi wrote: > On 05-Jul 10:30, Viresh Kumar wrote: > > On 04-07-17, 18:34, Patrick Bellasi wrote: > > > In system where multiple CPUs shares the same frequency domain a small > > > workload on a CPU can still be subject to frequency spikes,

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-06 Thread Rafael J. Wysocki
On Wednesday, July 05, 2017 12:38:34 PM Patrick Bellasi wrote: > On 05-Jul 10:30, Viresh Kumar wrote: > > On 04-07-17, 18:34, Patrick Bellasi wrote: > > > In system where multiple CPUs shares the same frequency domain a small > > > workload on a CPU can still be subject to frequency spikes,

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-05 Thread Viresh Kumar
On 05-07-17, 12:38, Patrick Bellasi wrote: > On 05-Jul 10:30, Viresh Kumar wrote: > > Yes we discussed this last time as well (I looked again at those > > discussions and > > am still confused a bit), but wanted to clarify one more time. > > > > After the 2nd patch of this series is applied, why

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-05 Thread Viresh Kumar
On 05-07-17, 12:38, Patrick Bellasi wrote: > On 05-Jul 10:30, Viresh Kumar wrote: > > Yes we discussed this last time as well (I looked again at those > > discussions and > > am still confused a bit), but wanted to clarify one more time. > > > > After the 2nd patch of this series is applied, why

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-05 Thread Patrick Bellasi
On 05-Jul 10:30, Viresh Kumar wrote: > On 04-07-17, 18:34, Patrick Bellasi wrote: > > In system where multiple CPUs shares the same frequency domain a small > > workload on a CPU can still be subject to frequency spikes, generated by > > the activation of the sugov's kthread. > > > > Since the

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-05 Thread Patrick Bellasi
On 05-Jul 10:30, Viresh Kumar wrote: > On 04-07-17, 18:34, Patrick Bellasi wrote: > > In system where multiple CPUs shares the same frequency domain a small > > workload on a CPU can still be subject to frequency spikes, generated by > > the activation of the sugov's kthread. > > > > Since the

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-04 Thread Viresh Kumar
On 04-07-17, 18:34, Patrick Bellasi wrote: > In system where multiple CPUs shares the same frequency domain a small > workload on a CPU can still be subject to frequency spikes, generated by > the activation of the sugov's kthread. > > Since the sugov kthread is a special RT task, which goal is

Re: [PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-04 Thread Viresh Kumar
On 04-07-17, 18:34, Patrick Bellasi wrote: > In system where multiple CPUs shares the same frequency domain a small > workload on a CPU can still be subject to frequency spikes, generated by > the activation of the sugov's kthread. > > Since the sugov kthread is a special RT task, which goal is

[PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-04 Thread Patrick Bellasi
In system where multiple CPUs shares the same frequency domain a small workload on a CPU can still be subject to frequency spikes, generated by the activation of the sugov's kthread. Since the sugov kthread is a special RT task, which goal is just that to activate a frequency transition, it does

[PATCH v2 1/6] cpufreq: schedutil: ignore sugov kthreads

2017-07-04 Thread Patrick Bellasi
In system where multiple CPUs shares the same frequency domain a small workload on a CPU can still be subject to frequency spikes, generated by the activation of the sugov's kthread. Since the sugov kthread is a special RT task, which goal is just that to activate a frequency transition, it does