Re: [RFC PATCH 6/7] sched/cpufreq: Improve sugov_cpu_is_busy accuracy

2019-06-20 Thread Patrick Bellasi
On 19-Jun 17:19, Douglas Raillard wrote: > Hi Patrick, Hi! > On 5/16/19 1:55 PM, Patrick Bellasi wrote: > > On 08-May 18:43, douglas.raill...@arm.com wrote: > > > From: Douglas RAILLARD > > > > > > Avoid assuming a CPU is busy when it has begun being idle before > > > get_next_freq() is called.

Re: [RFC PATCH 6/7] sched/cpufreq: Improve sugov_cpu_is_busy accuracy

2019-06-19 Thread Douglas Raillard
Hi Patrick, On 5/16/19 1:55 PM, Patrick Bellasi wrote: On 08-May 18:43, douglas.raill...@arm.com wrote: From: Douglas RAILLARD Avoid assuming a CPU is busy when it has begun being idle before get_next_freq() is called. This is achieved by making sure the CPU will not be detected as busy by ot

Re: [RFC PATCH 6/7] sched/cpufreq: Improve sugov_cpu_is_busy accuracy

2019-05-16 Thread Patrick Bellasi
On 08-May 18:43, douglas.raill...@arm.com wrote: > From: Douglas RAILLARD > > Avoid assuming a CPU is busy when it has begun being idle before > get_next_freq() is called. This is achieved by making sure the CPU will > not be detected as busy by other CPUs whenever its utilization is > decreasing

[RFC PATCH 6/7] sched/cpufreq: Improve sugov_cpu_is_busy accuracy

2019-05-08 Thread douglas . raillard
From: Douglas RAILLARD Avoid assuming a CPU is busy when it has begun being idle before get_next_freq() is called. This is achieved by making sure the CPU will not be detected as busy by other CPUs whenever its utilization is decreasing. Signed-off-by: Douglas RAILLARD --- kernel/sched/cpufreq