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SubjectRe: [PATCH 2/3] x86: Implement prctl PR_GET_TSC and PR_SET_TSC
On Sat, 26 Apr 2008, H. Peter Anvin wrote:

> dean gaudet wrote:
> >
> > i might be too late... but shouldn't these #defines be PR_SET_RDTSC and
> > PR_GET_RDTSC or something like that?
> >
> > to me calling them PR_SET_TSC/PR_GET_TSC just seem like alternative ways to
> > change/get the TSC (and could even reduce to portable TSC implementations...
> > since such registers do exist on other architectures).
> >
>
> I would argue no, the flag is "is the TSC available". RDTSC is an
> x86-specific name and would map poorly onto other architectures.

yeah but "SET TSC" to me reads as "set the TSC".... i read nothing about
making some instruction available or not.

although clock_gettime/clock_settime could more natural APIs for such
things.

-dean


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