[RFC] use CLOCK_MONOTONIC_COARSE posix timer instead of CLOCK_MONOTONIC when calling the function of clock_gettime in xserver/os/util.c

[Julien Cristau]

On Thu, Aug 12, 2010 at 09:47:23 +0800, ykzhao wrote:

> when playing flash h.264 cif video workload, the cpu C0 usage is reduced
> from 43% to 42% while the video quality is not affected.
> 
Is 43% vs 42% a really significant win?  How close is it to measurement
noise?

Cheers,
Julien