linux-kernel - Re: [GIT PULL 00/21] perf/core improvements and fixes

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Date:	Tue, 10 Dec 2013 13:24:49 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
	Ben Cheng <bccheng@...gle.com>,
	David Ahern <dsahern@...il.com>,
	Dongsheng Yang <yangds.fnst@...fujitsu.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung.kim@....com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [GIT PULL 00/21] perf/core improvements and fixes


* Arnaldo Carvalho de Melo <acme@...stprotocols.net> wrote:

> Em Tue, Dec 10, 2013 at 02:22:58PM +0200, Adrian Hunter escreveu:
> > On 10/12/13 14:10, Arnaldo Carvalho de Melo wrote:
> > > Em Tue, Dec 10, 2013 at 02:13:12PM +0200, Adrian Hunter escreveu:
> > >> On 10/12/13 13:44, Arnaldo Carvalho de Melo wrote:
> > >>> Em Tue, Dec 10, 2013 at 12:12:29PM +0100, Ingo Molnar escreveu:
> > >>>>
> > >>>> Hm, I've unpulled it because 'perf top' crashes on exit, in 
> > >>>> dso__delete():
> > >>>
> > >>> 495		if (dso->sname_alloc)
> > >>> 496			free((char *)dso->short_name)
> > >>>
> > >>> Yeah, must be that basename() patch from Stephane, I'll work on a fix
> > >>> and resubmit this batch, thanks for the report.
> > >>
> > >> The problem is sname_alloc is not maintained.  Perhaps it should be
> > >> set in dso__set_short_name() e.g.
> > > 
> > > Yeah, sounds better than having all callers manage that thing, quickie,
> > > was this with Stephane's patch applied?
> > 
> > Yes it was at
> > 	e993d10caeb6dca690dbaf86e1981ba240d1414a
> > 	perf symbols: fix bug in usage of the basename() function
> 
> Yes, this is the buggy patch, my question was if Ingo did the 
> changes that streamlined the dso->sname_alloc management with 
> e993d10caeb6 applied to his working tree.

My current perf/core head is:

  789790791ad2 tools/perf/build: Fix install dependency

which does not have e993d10c.

[ Btw., a small nit: the capitalization of the commit title looks 
  inconsistent. ]

Thanks,

	Ingo
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