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So, what kind of > > savings are we seeing by explicitly enabling a cpuidle state that goes > > to WFI and more importantly why? > > > > There is no additional power savings from the added cpuidle state. > Adding the cpuidle state allows users to use cpuidle to see see stats > about WFI from userspace. If you mean how many times the processor hit WFI? mpstat -P ALL 1 ? cat /proc/uptime (second field)? Will drop the series for want of better justification to carry these patches. -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource