Message-ID: <508AB6FC.3080904@gmail.com>
Date: Fri, 26 Oct 2012 10:14:52 -0600
From: David Ahern <dsahern@gmail.com>
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To: Namhyung Kim <namhyung@kernel.org>
CC: Jiri Olsa <jolsa@redhat.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        linux-kernel@vger.kernel.org,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
        Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support
References: <1350743599-4805-1-git-send-email-jolsa@redhat.com>  <87txti81i2.fsf@sejong.aot.lge.com> <1351242885.16863.0.camel@twins>  <20121026102336.GA1067@krava.brq.redhat.com> <1351265946.1619.20.camel@leonhard>
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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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