On 04/19/2010 01:46 PM, Peter Zijlstra wrote:
On Sat, 2010-04-17 at 21:48 +0300, Avi Kivity wrote:
After this patch is applied, I don't see a single warp in time during 5 days
of execution, in any of the machines I saw them before.
Please define a cpuid bit that makes this optional. When we eventually
enable it in the future, it will allow a wider range of guests to enjoy it.
Right, so on x86 we have:
X86_FEATURE_CONSTANT_TSC, which only states that TSC is frequency
independent, not that it doesn't stop in C states and similar fun stuff.
X86_FEATURE_TSC_RELIABLE, which IIRC should indicate the TSC is constant
and synced between cores.
Sockets and boards too? (IOW, how reliable is TSC_RELIABLE)?
--
error compiling committee.c: too many arguments to function
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