Re: [PATCH 0/3] Improve TSC as a clocksource under VMware

From: Andi Kleen
Date: Tue Oct 21 2008 - 14:08:28 EST


> FWIU from the code, even if cpu A's TSC is just 1 tick behind that of
> cpu B, we increment the nr_wraps value.
> And the code expects that there are no wraps in TSC throughout the
> 20msec measurement window.
> So IMO its fairly easy to fail this test.

Ok I think it would be better to enlarge the margin then to fix your
issue.

-Andi
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