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Date:	Fri, 26 Oct 2012 10:14:52 -0600
From:	David Ahern <dsahern@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	Jiri Olsa <jolsa@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support

On 10/26/12 9:39 AM, Namhyung Kim wrote:
>> hm, thats the unique sample_type issue again ;) Once we set
>> PERF_SAMPLE_READ for event or group, we need to set it for
>> all other events in session, otherwise the report fails
>
> Sorry, I don't understand why we need to set it for all events.  Just
> setting it for a group is not sufficient?  Please shed some light on
> this.

perf does not support multiple sample_types -- all events in the session 
need to use the same one.

David

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