linux-kernel - Re: [PATCH 00/13] Porting perf to Android

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Message-ID: <CANg8OW+yPDtO89f9QSS=-=kxTwHqPf2+GqTCsnXjyxGbju60cw@mail.gmail.com>
Date:	Mon, 3 Sep 2012 00:21:58 +0300
From:	Irina Tirdea <irina.tirdea@...il.com>
To:	Namhyung Kim <namhyung@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 00/13] Porting perf to Android

On Thu, Aug 30, 2012 at 8:19 PM, Namhyung Kim <namhyung@...il.com> wrote:
> Irina Tirdea <irina.tirdea@...il.com> writes:
>
>> Hi,
>>
>> This is a set of patches to port perf to Android.
>> My approach is to include missing functions in Android (like getline,
>> getsid, etc). I am currently working on upstreaming these to Google.
>> With the missing functionality added to bionic, this compiles on latest
>> Android tree (JellyBean). This will make perf compile, but there are still
>> fixes needed at runtime which I am currently working on.
>
> Yeah, I guess the callchain part which uses TLS is the one of them. Do
> you have an idea how to deal with it?

Yes, TLS defined through __thread is not supported by bionic. I was
thinking of using pthread_getspecific/pthread_setspecific API instead.

Thanks,
Irina
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