15 Oct
2010
15 Oct
'10
21:06
On Thursday 14 October 2010 09:05:56 pm Stefan Seyfried wrote:
Hi
I know it's slightly offtopic, but I guess people here might know the answer ;-)
On a modern CPU, with constant_tsc feature, how well synchronized are the TSCs when synchronized on bootup by the linux kernel? They are not synchronized by the kernel because this would mess up synchronization already. On i386, when x86 was still split, it was tried to sync TSC on OS level and it caused grief. And do they stay like that, or do they drift? They must not drift, otherwise you would not be able to use it as a clocksource.
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