Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [patch 13/19] GTOD: Mark TSC unusable for highres timers | Date | Fri, 10 Nov 2006 12:56:35 +0100 |
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> we could, but it would have to be almost empty right now :-) Reason: > even on systems that have (hardware-initialized) 'perfect' TSCs and > which do not support any frequency scaling or power-saving mode, our > current TSC initialization on SMP systems introduces a small (1-2 usecs) > skew.
On Intel we don't sync the TSC anymore and on most systems users seem to be happy at least. And on multicore AMD it is drifting anyways and usually turned off.
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