Re: [PATCH 2/2] perf stat: Remove nmi watchdog check code again

[Andi Kleen]

On Thu, Jun 09, 2016 at 10:42:08AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jun 09, 2016 at 06:14:39AM -0700, Andi Kleen escreveu:
> > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> > 
> > Now that the NMI watchdog runs with reference cycles, and does not
> 
> Now as in when? We should at least warn the user that the kernel used is
> one where the NMI watchdog will not get in the way of topdown. Is there
> a programmatic way to discover that?

If the other patch gets merged at the same time as the TopDown patches
it's only a few days in tip which don't support it, no released kernel.
So no need to check for this case.

-Andi