From: David Ahern <dsahern@gmail.com>
To: Namhyung Kim <namhyung.kim@lge.com>
Cc: Stephane Eranian <eranian@google.com>,
linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@elte.hu, acme@redhat.com
Subject: Re: [PATCH v2 0/5] perf tools: add meta-data header support in pipe mode
Date: Tue, 15 May 2012 20:05:06 -0600 [thread overview]
Message-ID: <4FB30B52.7080104@gmail.com> (raw)
In-Reply-To: <87ehqkewom.fsf@sejong.aot.lge.com>
On 5/15/12 7:34 PM, Namhyung Kim wrote:
> Hi, Stephane
>
> On Tue, 15 May 2012 13:28:10 +0200, Stephane Eranian wrote:
>> This patch series adds meta-data support to perf record/report in pipe
>> mode:
>> perf record -o - foo | perf inject -b | perf report -i -
>>
>> We had meta-data (information about host configuration, perf tool version,...)
>> in regular (file) mode but it was lacking in pipe mode. This patch series fixes
>> this.
>>
>
> In addition to this change, I think it'd be great if we keep this
> meta-data somewhere for later use - I guess perf report and
> annotate on TUI, at least, will need it too. Just a suggestion :).
>
> Thanks,
> Namhyung
>
It is there -- see perf-report header. It gets dropped on pipe mode b/c
the meta-data is in the header.
David
next prev parent reply other threads:[~2012-05-16 2:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 11:28 Stephane Eranian
2012-05-15 11:28 ` [PATCH v2 1/5] perf inject: fix broken perf inject -b Stephane Eranian
2012-05-16 1:58 ` David Ahern
2012-05-23 15:29 ` [tip:perf/core] perf inject: Fix " tip-bot for Stephane Eranian
2012-05-15 11:28 ` [PATCH v2 2/5] perf tools: fix piped mode read code Stephane Eranian
2012-05-16 2:24 ` David Ahern
2012-05-23 15:29 ` [tip:perf/core] perf tools: Fix " tip-bot for Stephane Eranian
2012-05-15 11:28 ` [PATCH v2 3/5] perf tools: rename HEADER_TRACE_INFO to HEADER_TRACING_DATA Stephane Eranian
2012-05-16 2:34 ` David Ahern
2012-05-23 15:28 ` [tip:perf/core] " tip-bot for Stephane Eranian
2012-05-15 11:28 ` [PATCH v2 4/5] perf record: add meta-data support for pipe-mode Stephane Eranian
2012-05-16 3:34 ` David Ahern
2012-05-16 7:41 ` Stephane Eranian
2012-05-18 16:50 ` David Ahern
2012-05-18 17:19 ` Arnaldo Carvalho de Melo
2012-05-22 17:33 ` Peter Zijlstra
2012-05-22 17:51 ` Stephane Eranian
2012-05-23 0:45 ` Namhyung Kim
2012-05-23 1:01 ` Arnaldo Carvalho de Melo
2012-05-23 8:10 ` Peter Zijlstra
2012-05-23 8:21 ` Peter Zijlstra
2012-05-23 13:06 ` Stephane Eranian
2012-05-24 15:36 ` David Ahern
2012-05-24 16:19 ` Arnaldo Carvalho de Melo
2012-05-24 16:22 ` David Ahern
2012-05-24 16:44 ` Arnaldo Carvalho de Melo
2012-05-15 11:28 ` [PATCH v2 5/5] perf: make perf buildid-list work better with pipe mode Stephane Eranian
2012-05-16 3:55 ` David Ahern
2012-05-23 15:30 ` [tip:perf/core] perf buildid-list: Work " tip-bot for Stephane Eranian
2012-05-16 1:34 ` [PATCH v2 0/5] perf tools: add meta-data header support in " Namhyung Kim
2012-05-16 2:05 ` David Ahern [this message]
2012-05-16 2:32 ` Namhyung Kim
2012-05-16 2:38 ` David Ahern
2012-05-16 2:50 ` Namhyung Kim
2012-05-16 15:03 ` Arnaldo Carvalho de Melo
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