Re: [PATCH v3 1/2] x86/vdso: Move mult and shift into struct vgtod_ts

From: Thomas Gleixner
Date: Thu Jun 27 2019 - 08:21:12 EST


Alexander,

On Thu, 27 Jun 2019, Sverdlin, Alexander (Nokia - DE/Ulm) wrote:
> On 27/06/2019 14:07, Thomas Gleixner wrote:
> >
> > Did you use the git tree? If not, it would be interesting to have a test
> > against that as well because that's the final version.
>
> I've applied the following list:
>
> 3acf4be23528 (tip/timers/vdso) arm64: vdso: Fix compilation with clang older than 8

> If you expect a difference, I can re-test using your tree as-is.

That's the tip of tree. All good.

> > The increase for mono and realtime is impressive. Which CPU is that?
>
> This time it was
>
> processor : 3
> vendor_id : AuthenticAMD
> cpu family : 21
> model : 96
> model name : AMD PRO A10-8700B R6, 10 Compute Cores 4C+6G

Interesting. Need to find something similar in my fleet and figure out what
changed that so much.

Thanks!

tglx