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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Jiri Olsa <jolsa@kernel.org>,
	linux-kernel@vger.kernel.org,
	Corey Ashford <cjashfor@linux.vnet.ibm.com>,
	David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Ingo Molnar <mingo@kernel.org>, Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC/PATCH] perf tools: Fix segfault in cumulative.callchain report
Date: Thu, 19 Jun 2014 12:36:25 -0300	[thread overview]
Message-ID: <20140619153625.GC20252@kernel.org> (raw)
In-Reply-To: <1402924462.1647.26.camel@leonhard>

Em Mon, Jun 16, 2014 at 10:14:22PM +0900, Namhyung Kim escreveu:
> 2014-06-15 (일), 18:34 +0200, Jiri Olsa:
> > On Sun, Jun 15, 2014 at 09:46:31PM +0900, Namhyung Kim wrote:
> > > 2014-06-15 (일), 10:35 +0200, Jiri Olsa:
> > > > not completely sure this is what we want to do, but have no
> > > > streght to dive into annotation code ;-)

> > > Currently, cumulative entries do not accounts annotation info so
> > > annotation only works for normal entries.  I'm not sure we should
> > > support it or not, but anyway it also needs some updates on the
> > > annotation code IMHO.

> > > So I'm okay with disabling annotation on pure cumulative entries.

> > is that an ack? ;-)

> Yep,
 
> Acked-by: Namhyung Kim <namhyung@kernel.org>

>From a quick look, this looks sane, i.e. only offering annotation for
symbols where samples were taken.

Otherwise we would have to figure out which samples came thru the
specific point in the callchain selected, which, as Namhyung mentioned,
requires more thinking and coding.

Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>

- Arnaldo

  reply	other threads:[~2014-06-19 15:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-15  8:35 [RFC/PATCH] perf tools: Fix segfault in cumulative.callchain report Jiri Olsa
2014-06-15 12:46 ` Namhyung Kim
2014-06-15 16:34   ` Jiri Olsa
2014-06-16 13:14     ` Namhyung Kim
2014-06-19 15:36       ` Arnaldo Carvalho de Melo [this message]
2014-06-25  5:52 ` [tip:perf/core] " tip-bot for Jiri Olsa

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