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

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Message-ID: <20131031095902.GA9971@gmail.com>
Date:	Thu, 31 Oct 2013 10:59:02 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Pekka Enberg <penberg@....fi>
Cc:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Pekka Enberg <penberg@...nel.org>,
	Hemant Kumar <hkshaw@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	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, dsahern@...il.com,
	"yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com>
Subject: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:


* Pekka Enberg <penberg@....fi> wrote:

> On 10/30/13 12:05 PM, Masami Hiramatsu wrote:
> >To find all system libraries, we can use ldconfig.
> >
> >$ ldconfig --print-cache
> >
> >shows what dynamic libraries will be loaded. On my own laptop (running
> >ubuntu13.04) shows ~1000 libs.
> 
> Good point. That definitely narrows down the scanned set.
> 
>                         Pekka

There's also 'strings /etc/prelink.cache' that should give a good 
list of binaries and libraries that matter.

Thanks,

	Ingo
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