Re: [PATCH v2] x86/vdso: implement clock_gettime(CLOCK_MONOTONIC_RAW, ...)

From: Andy Lutomirski
Date: Tue Jun 04 2019 - 13:43:19 EST

On Tue, Jun 4, 2019 at 9:42 AM Sverdlin, Alexander (Nokia - DE/Ulm)
<alexander.sverdlin@xxxxxxxxx> wrote:
> From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> Add CLOCK_MONOTONIC_RAW to the existing clock_gettime() vDSO
> implementation. This is based on the ideas of Jason Vas Dias and comments
> of Thomas Gleixner.

Can you benchmark this against pulling the mult and shift into the
per-clock base?