linux-kernel - Re: [PATCH 2/2] tracing: identify which executable object the userspace address belongs to

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Message-ID: <y0my6z798de.fsf@ton.toronto.redhat.com>
Date:	Tue, 25 Nov 2008 09:40:29 -0500
From:	fche@...hat.com (Frank Ch. Eigler)
To:	=?utf-8?q?T=C3=B6r=C3=B6k=20Edwin?= 
	<edwintorok@...il.com>
Cc:	mingo@...e.hu, srostedt@...hat.com, a.p.zijlstra@...llo.nl,
	sandmann@...mi.au.dk, linux-kernel@...r.kernel.org,
	viro@...IV.linux.org.uk
Subject: Re: [PATCH 2/2] tracing: identify which executable object the userspace address belongs to

=?utf-8?q?T=C3=B6r=C3=B6k=20Edwin?= <edwintorok@...il.com> writes:

> Impact: modify+improve the userstacktrace tracing visualization feature
> [...]
> You'll see stack entries like:
>    /lib/libpthread-2.7.so[+0xd370]
> [...]

Can you suggest an actual distribution & architecture where this
facility may be tested/used?  It appears to require frame-pointer
stuff that AFAIK is not generally turned on for user-space.

- FChE
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