Re: [PATCH] perf/x86/intel: Fix debug_store reset field for freq events

From: Jiri Olsa
Date: Mon Jul 17 2017 - 03:38:59 EST


On Fri, Jul 14, 2017 at 10:22:49AM -0700, Andi Kleen wrote:
> Jiri Olsa <jolsa@xxxxxxxxxx> writes:
> >
> > Setting the reset field to 0 for freq events.
>
> Looks good to me.
>
> Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> BTW I suspect there's a related bug that
>
> perf record -e '{cycles:pp,branches}:S' ..
>
> would enable multi record PEBS, even though it shouldn't because
> we need the PMI to read the other events.

thanks, I'll check on that

jirka