TSC Timecounter and multi-core/SMP

[Poul-Henning Kamp]

In message <m2d4oy8n30.wl%gnn at neville-neil.com>, gnn at freebsd.org writes:
>Howdy,
>
>Is the TSC timecounter synchronized across multiple cores and/or
>processors?  A quick search seems to indicate it's not but I'd like to
>find a definitive reference on the TSC.

The answer is: It may be, and there is no easy way to find out.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.