On 09-11-23, 11:14, Vincent Guittot wrote: > cpuinfo.max_freq can change at runtime because of boost as an example. This > implies that the value could be different than the one that has been > used when computing the capacity of a CPU. > > The new arch_scale_freq_ref() returns a fixed and coherent reference > frequency that can be used when computing a frequency based on utilization. > > Use this arch_scale_freq_ref() when available and fallback to > policy otherwise. > > Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx> > Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx> > Tested-by: Lukasz Luba <lukasz.luba@xxxxxxx> > Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx> > Reviewed-by: Dietmar Eggemann <dietmar.eggemann@xxxxxxx> > --- > kernel/sched/cpufreq_schedutil.c | 26 ++++++++++++++++++++++++-- > 1 file changed, 24 insertions(+), 2 deletions(-) Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> -- viresh
