Re: [PATCH V2 22/23] perf tools: Allow system-wide events to keep their own CPUs

From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Ian Rogers <irogers@google.com>,
	Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>,
	Leo Yan <leo.yan@linaro.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Stephane Eranian <eranian@google.com>,
	Kan Liang <kan.liang@linux.intel.com>
Subject: Re: [PATCH V2 22/23] perf tools: Allow system-wide events to keep their own CPUs
Date: Tue, 17 May 2022 16:31:29 -0700	[thread overview]
Message-ID: <CAM9d7cjJups443_V8062cFWn3XNxGCnjM1FeWU9_AHnJnibjVg@mail.gmail.com> (raw)
In-Reply-To: <Yn+wJlzymeAaHHcI@kernel.org>

On Sat, May 14, 2022 at 6:35 AM Arnaldo Carvalho de Melo
<acme@kernel.org> wrote:
>
> Em Fri, May 13, 2022 at 07:48:40AM +0300, Adrian Hunter escreveu:
> > On 12/05/22 21:53, Namhyung Kim wrote:
> > > I'm not sure if it's intended.  I expect it runs on
> > > cpu 0 or one of the given cpus.  Or it runs on both
> > > cpus and returns value in half so that the sum is
> > > the same as the original value (from a cpu).
> >
> > I don't know if there is anything wrong with the way
> > we are handling uncore PMUs, except that I don't know
> > if it is documented anywhere.
>
> Good thing about this conversation is that it will result in
> documentation :-)
>
> Thank you guys for having it and detailing it so nicely.

To move things forward,

Acked-by: Namhyung Kim <namhyung@kernel.org>

for the patchset.  I'll try to cleanup the cpu map propagation
with hybrid events later.

Thanks,
Namhyung