Re: plumbers session on profiling?

Peter Zijlstra
2022-07-05T12:58:18Z

On Mon, Jul 04, 2022 at 04:01:15PM +0200, Peter Zijlstra wrote:
> On Fri, Jul 01, 2022 at 11:57:25AM -0700, Bill Wendling wrote:

> > As for LBR, that will work with Intel/AMD, but I thought that LBR
> > doesn't exist for Arm processors (my knowledge could be out of date on
> > this).
>
> Not totally up to date on the ARM thing either; but I believe you're
> right in that they don't yet have such a feature.

Just found this in my inbox; I should've seen it before, but it must've
slipped my mind:

https://lkml.kernel.org/r/20220613100119.684673-1-anshuman.khandual@arm.com

And of course, PowerPC also supports this.