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Date:	Fri, 25 Jul 2014 09:32:18 -0600
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Adrian Hunter <adrian.hunter@...el.com>
CC:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 28/52] perf script: Allow callchains if any event samples
 them

On 7/25/14, 7:27 AM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jul 22, 2014 at 04:17:37PM +0300, Adrian Hunter escreveu:
>> perf script was not displaying callchains if any selected
>> event did not have PERF_SAMPLE_CALLCHAIN.  Change this to
>> disable callchains only if all selected events do not have
>> PERF_SAMPLE_CALLCHAIN.
>
> I wonder if some other tool gets this wrong as well, report maybe?
>

perf only handles 1 sample_type so if callchains are enabled for 1 event 
they are enabled for all.

Perhaps Adrian's patch set changes that -- prior patch sets attempted 
to. I have not had time to go through the list.

David

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