linux-kernel - Re: [GIT PULL 00/32] perf/core improvements and fixes

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Date:	Wed, 29 Oct 2014 10:11:48 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexander Yarygin <yarygin@...ux.vnet.ibm.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Anton Blanchard <anton@....ibm.com>,
	Arun Sharma <asharma@...com>, Borislav Petkov <bp@...e.de>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>,
	Jean Pihet <jean.pihet@...aro.org>,
	Jiri Olsa <jolsa@...nel.org>, Li Zefan <lizefan@...wei.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung.kim@....com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Stephane Eranian <eranian@...gle.com>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Waiman Long <Waiman.Long@...com>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [GIT PULL 00/32] perf/core improvements and fixes


* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> From: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit e53f6124af6516cee3063a3072767ee2717ff343:
> 
>   Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2014-10-24 09:46:36 +0200)
> 
> are available in the git repository at:
> 
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo
> 
> for you to fetch changes up to 8eeeb304ea2714962b10873f72aa7c5e24f5265f:
> 
>   perf probe: Add --quiet option to suppress output result message (2014-10-27 17:16:34 -0200)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> * 'perf probe' --demangle typo fix and a new --quiet option (Masami Hiramatsu)

So the fix part would be nice to have for perf/urgent I suspect?

> * Fix report -F (abort, in_tx, mispredict, etc) segfaults for sample.data files
>   without branch info (Jiri Olsa)

Ditto.

> * Don't open the DWARF info multiple times, keeping instead a dwfl handle
>   in struct dso, greatly speeding up 'perf report' on powerpc. (Sukadev Bhattiprolu)
> 
> * Add patch that should have went in a previous patchkit to use global cache
>   provided by libunwind (Namhyung Kim)

Given that this is already upstream, is this a required fix for 
perf/urgent or can it wait and go into perf/core?

And then the remaining bits should be based on the urgent tree.

Thanks,

	Ingo
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