From: Andi Kleen <andi@firstfloor.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung.kim@lge.com>,
LKML <linux-kernel@vger.kernel.org>, Jiri Olsa <jolsa@redhat.com>,
David Ahern <dsahern@gmail.com>,
Stephane Eranian <eranian@google.com>,
Andi Kleen <andi@firstfloor.org>,
Pekka Enberg <penberg@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [RFC 0/3] perf tools: Show time info (v1)
Date: Mon, 2 Dec 2013 18:04:48 +0100 [thread overview]
Message-ID: <20131202170448.GF17656@two.firstfloor.org> (raw)
In-Reply-To: <1385967199-3759-1-git-send-email-namhyung@kernel.org>
On Mon, Dec 02, 2013 at 03:53:16PM +0900, Namhyung Kim wrote:
> Hi,
>
> Sometimes users might want to see time information along with the
> performance result but the perf cannot provide it currently.
>
> In this patchset, I added such feature using sample->time. When the
> perf processes sample events, it calculate time info and update last
> timestamp. It keeps the last timestamp for each evsel (and for each
> cpu if it's a per-cpu session).
Does the sorting on arbitary fields work now?
I believe to make use of this you totally want to sort on it too,
but traditionally perf report could only sort on a single field.
Without sorting adding more and more fields is just confusing.
-Andi
next prev parent reply other threads:[~2013-12-02 17:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-02 6:53 [RFC 0/3] perf tools: Show time info (v1) Namhyung Kim
2013-12-02 6:53 ` [PATCH 1/3] perf tools: Record total sampling time Namhyung Kim
2013-12-02 12:45 ` Ingo Molnar
2013-12-02 12:57 ` Ingo Molnar
2013-12-02 15:43 ` Namhyung Kim
2013-12-02 16:36 ` Ingo Molnar
2013-12-02 20:24 ` Arnaldo Carvalho de Melo
2013-12-03 5:44 ` Namhyung Kim
2013-12-03 14:30 ` David Ahern
2013-12-04 10:00 ` Ingo Molnar
2013-12-04 10:02 ` Ingo Molnar
2013-12-03 5:33 ` Namhyung Kim
2013-12-02 15:05 ` Namhyung Kim
2013-12-02 18:51 ` Arnaldo Carvalho de Melo
2013-12-02 6:53 ` [PATCH 2/3] perf tools: Record sampling time for each entry Namhyung Kim
2013-12-02 12:39 ` Arnaldo Carvalho de Melo
2013-12-02 14:57 ` Namhyung Kim
2013-12-02 18:49 ` Arnaldo Carvalho de Melo
2013-12-03 4:33 ` Namhyung Kim
2013-12-02 6:53 ` [PATCH 3/3] perf report: Add --show-time-info option Namhyung Kim
2013-12-02 12:33 ` Arnaldo Carvalho de Melo
2013-12-02 14:38 ` Namhyung Kim
2013-12-02 9:35 ` [RFC 0/3] perf tools: Show time info (v1) Pekka Enberg
2013-12-03 2:28 ` Namhyung Kim
2013-12-02 17:04 ` Andi Kleen [this message]
2013-12-03 2:34 ` Namhyung Kim
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