From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752773AbYKYOlz (ORCPT ); Tue, 25 Nov 2008 09:41:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750909AbYKYOlp (ORCPT ); Tue, 25 Nov 2008 09:41:45 -0500 Received: from mx2.redhat.com ([66.187.237.31]:50676 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752547AbYKYOlo (ORCPT ); Tue, 25 Nov 2008 09:41:44 -0500 To: =?us-ascii?Q?=3D=3Futf-8=3Fq=3FT=3DC3=3DB6r=3DC3=3DB6k=3D20Edwin=3F=3D?= Cc: mingo@elte.hu, srostedt@redhat.com, a.p.zijlstra@chello.nl, sandmann@daimi.au.dk, linux-kernel@vger.kernel.org, viro@ZenIV.linux.org.uk Subject: Re: [PATCH 2/2] tracing: identify which executable object the userspace address belongs to References: <1227353328-16104-1-git-send-email-edwintorok@gmail.com> <1227353328-16104-3-git-send-email-edwintorok@gmail.com> From: fche@redhat.com (Frank Ch. Eigler) Date: Tue, 25 Nov 2008 09:40:29 -0500 In-Reply-To: <1227353328-16104-3-git-send-email-edwintorok@gmail.com> (edwintorok@gmail.com's message of "Sat, 22 Nov 2008 13:28:48 +0200") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org =?utf-8?q?T=C3=B6r=C3=B6k=20Edwin?= 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