V2 [PATCH] benchtests: Restore the clock_gettime option
H.J. Lu
hjl.tools@gmail.com
Wed May 20 18:14:08 GMT 2020
On Wed, May 20, 2020 at 11:05 AM Florian Weimer <fweimer@redhat.com> wrote:
>
> * Alexander Monakov via Libc-alpha:
>
> > I am well aware. Again: rdtsc does not count CPU cycles on recent
> > Intel CPUs.
>
> H.J. probably has a different view on what those “recent Intel CPUs”
> are. 8-) I have not reviewed the mechanics of the patch, but if we need
> this for some CPUs, we should make the change.
>
Here the patch with updated commit message:
commit 7621e38bf3c58b2d0359545f1f2898017fd89d05
Author: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Date: Tue Jan 29 17:43:45 2019 +0000
Add generic hp-timing support
removed the clock_gettime option. Restore the clock_gettime option for
some x86 CPUs on which value from RDTSC may not be incremented at a fixed
rate.
OK for master?
Thanks.
--
H.J.
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