linux-kernel - Re: [RFC][PATCH 1/2] perf: Add 'perf kmem' tool

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Message-ID: <20091123073317.GA16628@elte.hu>
Date:	Mon, 23 Nov 2009 08:33:17 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Li Zefan <lizf@...fujitsu.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [RFC][PATCH 1/2] perf: Add 'perf kmem' tool


* Peter Zijlstra <peterz@...radead.org> wrote:

> > I havent tried this - is this really possible to do on an x86 box, 
> > with a typical distro? Can i install say Fedora PowerPC debuginfo 
> > packages on an x86 box, while also having the x86 debuginfo packages 
> > there?
> 
> The best option would be to allow to specify a chroot parameter, where 
> we can specify the embedded root filesystem on out machine.
> 
> I'm not even sure embedded distros even have this separate debug 
> package crazyness, you simply build the distro with or without 
> debuginfo.

yes - we could use -R/--root (which opreport has as well), as a 
mandatory path prefix to all DSO/debuginfo searches.

	Ingo
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