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xen-devel
RE: [Xen-devel] [PATCH] Deferrable Timer
Keir Fraser wrote:
> On 17/7/08 13:54, "Yu, Ke" <ke.yu@xxxxxxxxx> wrote:
>
>> This patch adds new ac timer API set_timer_deferrable for the
>> deferrable timer.
>
> Whether this is worthwhile depends on what likely users there are.
> platform-timer overflow is not very compelling since if you're using
> anything other than PIT (which ought to be likely on a modern system
> supporting deep sleep) the overflow period should be multiple seconds.
>
> -- Keir
True. Another user is the Px state sampling timer, which is 20ms. Other
potential timers (e.g. sched timer, hvm pt timers) are also under
evaluation, the principle is to make sure there is no performance
downgrade.
Best Regards
Ke
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