From: David Ahern <dsahern@gmail.com>
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
Date: Fri, 26 Oct 2012 10:47:56 -0600 [thread overview]
Message-ID: <508ABEBC.8060403@gmail.com> (raw)
In-Reply-To: <1351268730.1619.21.camel@leonhard>
On 10/26/12 10:25 AM, Namhyung Kim wrote:
> 2012-10-26 (금), 10:14 -0600, David Ahern:
>> 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.
>
> Can I ask why? :)
Of course:
https://lkml.org/lkml/2011/8/15/6
https://lkml.org/lkml/2011/9/29/502
David
next prev parent reply other threads:[~2012-10-26 16:48 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-20 14:33 Jiri Olsa
2012-10-20 14:33 ` [PATCH 01/11] perf: Add PERF_EVENT_IOC_ID ioctl to return event ID Jiri Olsa
2012-10-20 14:33 ` [PATCH 02/11] perf: Do not get values from disabled counters in group format read Jiri Olsa
2012-10-23 16:13 ` Peter Zijlstra
2012-10-23 16:50 ` Jiri Olsa
2012-10-24 12:01 ` Peter Zijlstra
2012-10-24 12:14 ` Jiri Olsa
2012-10-24 12:32 ` Peter Zijlstra
2012-10-24 16:03 ` Jiri Olsa
2012-10-20 14:33 ` [PATCH 03/11] perf tool: Use PERF_EVENT_IOC_ID perf ioctl to read event id Jiri Olsa
2012-10-22 7:57 ` Namhyung Kim
2012-10-22 8:40 ` Jiri Olsa
2012-10-20 14:33 ` [PATCH 04/11] perf tool: Add support for parsing PERF_SAMPLE_READ sample type Jiri Olsa
2012-10-22 8:56 ` Namhyung Kim
2012-10-20 14:33 ` [PATCH 05/11] perf tool: Fix event ID retrieval for group format read case Jiri Olsa
2012-10-20 14:33 ` [PATCH 06/11] perf tool: Add perf_evlist__id2sid function to get event ID related data Jiri Olsa
2012-10-20 14:33 ` [PATCH 07/11] perf tool: Add PERF_SAMPLE_READ sample related processing Jiri Olsa
2012-10-20 14:33 ` [PATCH 08/11] perf tool: Add 'S' event/group modifier to read sample value Jiri Olsa
2012-10-20 14:33 ` [PATCH 09/11] perf test: Add parse events tests for leader sampling Jiri Olsa
2012-10-22 8:58 ` Namhyung Kim
2012-10-22 9:12 ` Jiri Olsa
2012-10-20 14:33 ` [PATCH 10/11] perf tool: Display period values for all group members Jiri Olsa
2012-10-20 14:33 ` [PATCH 11/11] perf record: Fix mmap error output condition Jiri Olsa
2012-10-30 12:11 ` [tip:perf/core] " tip-bot for Jiri Olsa
2012-10-21 16:38 ` [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support Ingo Molnar
2012-10-22 8:09 ` Jiri Olsa
2012-10-22 8:51 ` Namhyung Kim
2012-10-22 9:15 ` Jiri Olsa
2012-10-22 7:32 ` Namhyung Kim
2012-10-22 7:53 ` Jiri Olsa
2012-10-22 8:53 ` Namhyung Kim
2012-10-22 9:06 ` Jiri Olsa
2012-10-26 1:29 ` Namhyung Kim
2012-10-26 9:14 ` Peter Zijlstra
2012-10-26 10:23 ` Jiri Olsa
2012-10-26 15:39 ` Namhyung Kim
2012-10-26 16:14 ` David Ahern
2012-10-26 16:25 ` Namhyung Kim
2012-10-26 16:47 ` David Ahern [this message]
2012-10-26 17:00 ` Arnaldo Carvalho de Melo
2013-02-04 12:32 Jiri Olsa
2013-02-06 4:59 ` Namhyung Kim
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