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Re: [Xen-devel] VCPUOP_set_periodic_timer
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On 15/11/13 13:10, Keir Fraser wrote:
You’ll have to measure to confirm, but
if the core is dedicated to your vcpu then there is no reason
there should be 50us jitter. Also there is not much point
playing with different schedulers — if there are no other
vcpus schedulable on the cpu, the scheduler can’t have
multiple runnable vcpus to choose between.
-- Keir
The deadline timer code as up to 50us of slop when calculating when
to wake up and when timers expire. It is somewhat poor, and is
certainly an area in need of improvement.
~Andrew
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