On Wed, 2016-10-19 at 02:57 +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> After commit a4675fbc4a7a (cpufreq: intel_pstate: Replace timers with
> utilization update callbacks) the cpufreq governor callbacks may not
> be invoked on NOHZ_FULL CPUs and, in particular, switching to th
On Thu, Oct 20, 2016 at 8:22 PM, Srinivas Pandruvada
wrote:
> On Wed, 2016-10-19 at 02:57 +0200, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki
>>
>
> [...]
>
>> + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
>> + /*
>> + * NOHZ_FULL CPUs need this as the
On Wed, 2016-10-19 at 02:57 +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
[...]
> + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
> + /*
> + * NOHZ_FULL CPUs need this as the governor callback
> may not
> + * be invoked on them.
> +
From: Rafael J. Wysocki
After commit a4675fbc4a7a (cpufreq: intel_pstate: Replace timers with
utilization update callbacks) the cpufreq governor callbacks may not
be invoked on NOHZ_FULL CPUs and, in particular, switching to the
"performance" policy via sysfs may not have any effect on them. Tha
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