linux-kernel - Re: [PATCH] perf c2c: Display proper cpu count in nodes column

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Message-ID: <20190820142132.GI24105@krava>
Date:   Tue, 20 Aug 2019 16:21:32 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, Joe Mario <jmario@...hat.com>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>
Subject: Re: [PATCH] perf c2c: Display proper cpu count in nodes column

On Tue, Aug 20, 2019 at 11:16:52AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Aug 20, 2019 at 04:02:19PM +0200, Jiri Olsa escreveu:
> > There's wrong bitmap considered when checking
> > for cpu count of specific node.
> > 
> > We do the needed computation for 'set' variable,
> > but at the end we use the 'c2c_he->cpuset' weight,
> > which shows misleading numbers.
> > 
> > Reported-by: Joe Mario <jmario@...hat.com>
> 
> You forgot to add this:
> 
> Fixes: 1e181b92a2da ("perf c2c report: Add 'node' sort key")
> 
> Can you please confirm that that is the cset being fixed? This helps
> with backporters, stable@, etc.

oops sry, yes, that's correct commit

thanks,
jirka