Re: [Xen-devel] [V3] x86/cpuidle: get accurate C0 value with xenpm tool

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 08.05.15 at 10:11, <huaitong.han@xxxxxxxxx> wrote:
> When checking the ACPI funciton of C-status, after 100 seconds sleep,
> the sampling value of C0 status from the xenpm tool decreases.
> Because C0=NOW()-C1-C2-C3-C4, when NOW() value is during idle time,
> NOW() value is bigger than last C-status update time, and C0 value
> is also bigger than ture value. if margin of the second error cannot
> make up for margin of the first error, the value of C0 would decrease.
> 
> Signed-off-by: Huaitong Han <huaitong.han@xxxxxxxxx>

Please address all comments on the previous iteration before
re-submitting.

Jan


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