linux-kernel - Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:

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Message-ID: <526E72EC.9060400@iki.fi>
Date:	Mon, 28 Oct 2013 16:21:32 +0200
From:	Pekka Enberg <penberg@....fi>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
CC:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Hemant Kumar <hkshaw@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Oleg Nesterov <oleg@...hat.com>,
	hegdevasant@...ux.vnet.ibm.com, Ingo Molnar <mingo@...hat.com>,
	anton@...hat.com, systemtap@...rceware.org,
	Namhyung Kim <namhyung@...nel.org>, aravinda@...ux.vnet.ibm.com
Subject: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:

On 10/28/2013 04:11 PM, Srikar Dronamraju wrote:
>
> But what if a system has both 32 bit libc and 64 bit libc?
> Wont we could end up with 2 libc:setjmp?
> Should we give some more intelligence into perf to choose the 64 bit
> libc over 32 bit one?

You can just trace both of them by default, no?

                         Pekka
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