TSC Timecounter and multi-core/SMP

David O'Brien obrien at freebsd.org
Fri Apr 18 00:34:16 UTC 2008


On Tue, Apr 15, 2008 at 04:41:22PM +0900, gnn at freebsd.org wrote:
> I also believe that at least per processor there is only 1 TSC, that
> is, on a 2 or 4 core, all cores share the same TSC.

Nope.  (at least nope for AMD processors)
 
-- 
-- David  (obrien at FreeBSD.org)


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