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From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Jiri Olsa <jolsa@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
	David Ahern <dsahern@gmail.com>,
	Stephane Eranian <eranian@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH 6/7] perf tools: Append callchains only when requested
Date: Wed, 7 Jan 2015 16:28:50 +0900	[thread overview]
Message-ID: <20150107072850.GD849@sejong> (raw)
In-Reply-To: <20150105124924.GA2587@kernel.org>

Hi Arnaldo,

On Mon, Jan 05, 2015 at 09:49:24AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Sun, Jan 04, 2015 at 12:01:26AM +0900, Namhyung Kim escreveu:
> > On Sat, Jan 3, 2015 at 11:25 AM, Arnaldo Carvalho de Melo
> > <acme@kernel.org> wrote:
> > > Em Mon, Dec 22, 2014 at 01:44:14PM +0900, Namhyung Kim escreveu:
> > >> The perf report --children can be called with callchain disabled so no
> > >> need to append callchains.  Actually the root of callchain tree is not
> > >> initialized properly in this case.
> 
> > >         I should have caught this using 'perf test', but it slipped
> > > thru, please try running 'perf test cumulation', I noticed that it fails
> > > and that if I revert this changeset it works again, can you please
> > > check?
>  
> > This change should not affect the test result, but I guess the test
> > somehow relied on the undefined behavior.  Actually I posted a patch
> > to fix this problem.  So please take a look at the link below:
>  
> > https://lkml.org/lkml/2014/12/22/561
> 
> Ok, missed this one, will get it on perf/urgent and look if there are
> patches pending merging in that pull req.

Could please consider applying it below:

https://lkml.org/lkml/2014/12/24/13

Thanks,
Namhyung

  reply	other threads:[~2015-01-07  7:31 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-22  4:44 [PATCHSET 0/7] perf tools: A small random cleanup and fixups Namhyung Kim
2014-12-22  4:44 ` [PATCH 1/7] perf report: Get rid of report__inc_stat() Namhyung Kim
2015-01-28 15:04   ` [tip:perf/core] " tip-bot for Namhyung Kim
2014-12-22  4:44 ` [PATCH 2/7] perf report: Show progress bar for output resorting Namhyung Kim
2015-01-01 21:28   ` [tip:perf/urgent] " tip-bot for Namhyung Kim
2014-12-22  4:44 ` [PATCH 3/7] perf ui/tui: Print backtrace symbols when segfault occurred Namhyung Kim
2015-01-01 21:28   ` [tip:perf/urgent] perf ui/tui: Print backtrace symbols when segfault occurs tip-bot for Namhyung Kim
2014-12-22  4:44 ` [PATCH 4/7] perf diff: Fix to sort by baseline field by default Namhyung Kim
2014-12-22 14:45   ` Arnaldo Carvalho de Melo
2014-12-23  4:12     ` Namhyung Kim
2014-12-23 13:30       ` Arnaldo Carvalho de Melo
2014-12-22  4:44 ` [PATCH 5/7] perf diff: Get rid of hists__compute_resort() Namhyung Kim
2014-12-22  4:44 ` [PATCH 6/7] perf tools: Append callchains only when requested Namhyung Kim
2015-01-01 21:29   ` [tip:perf/urgent] perf callchain: " tip-bot for Namhyung Kim
2015-01-03  2:25   ` [PATCH 6/7] perf tools: " Arnaldo Carvalho de Melo
2015-01-03 15:01     ` Namhyung Kim
2015-01-05 12:49       ` Arnaldo Carvalho de Melo
2015-01-07  7:28         ` Namhyung Kim [this message]
2014-12-22  4:44 ` [PATCH 7/7] perf tools: Set attr.task bit for a tracking event Namhyung Kim
2014-12-22 14:49   ` Arnaldo Carvalho de Melo
2014-12-23  4:06     ` Namhyung Kim
2014-12-23 13:28       ` Arnaldo Carvalho de Melo

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