linux-kernel - Re: [PATCH v4 2/4] perf tools: add Java demangling support

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Message-ID: <CABPqkBSKtGCjHNsYSCW0u+S9pBbVZOOVdBm89jHuMDEcLATLYQ@mail.gmail.com>
Date:	Wed, 25 Mar 2015 17:57:29 -0700
From:	Stephane Eranian <eranian@...gle.com>
To:	"Carl E. Love" <cel@...ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Sonny Rao <sonnyrao@...omium.org>,
	John Mccutchan <johnmccutchan@...gle.com>,
	David Ahern <dsahern@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Pawel Moll <pawel.moll@....com>
Subject: Re: [PATCH v4 2/4] perf tools: add Java demangling support

On Wed, Mar 25, 2015 at 1:34 PM, Carl E. Love <cel@...ibm.com> wrote:
> On Tue, 2015-03-24 at 23:25 +0100, Stephane Eranian wrote:
>> Add Java function descriptor demangling support.
>> Something bfd cannot do.
>>
>> Use the JAVA_DEMANGLE_NORET flag to avoid decoding the
>> return type of functions.
>>
>> Signed-off-by: Stephane Eranian <eranian@...gle.com>
>> ---
>>  tools/perf/util/Build           |   1 +
>>  tools/perf/util/demangle-java.c | 199
>> ++++++++++++++++++++++++++++++++++++++++
>>  tools/perf/util/demangle-java.h |  10 ++
>>  tools/perf/util/symbol-elf.c    |   3 +
>
> Stephane:
>
> Your patch makes a change to tools/perf/util/Build. I don't find that
> file in the linux kernel source tree for 4.0-rc5.  I built the tool just
> to see if that file gets created by the build but still did not find it.
> I am wondering where the file comes from?
>
Im on tip.git and at commit:
f05bf44 Merge branch 'perf/core'

I had to do this to get the features-tests to work. This setup keeps
changing on me.

>              Carl Love
>
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