Messages in this thread | | | Subject | Re: [PATCH 3/3] cpuidle/menu: add per cpu pm_qos_resume_latency consideration | From | Alex Shi <> | Date | Fri, 20 Jan 2017 16:35:51 +0800 |
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On 01/20/2017 05:43 AM, Rafael J. Wysocki wrote: > The above may be problematic if the constraints change relatively > often. It is global and it will affect all of the CPUs in the system > every time and now think about systems with hundreds of them.
Yes, the disadvantage is waking up all idle cpus when value changed. As to the multi core concern, maybe a per cpu notifier way is better? But that's another story of pm_qos...
So Rafael, any comments for this patch version?
Regards Alex
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