From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756698Ab1F1KPf (ORCPT ); Tue, 28 Jun 2011 06:15:35 -0400 Received: from mail-vx0-f174.google.com ([209.85.220.174]:34793 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756804Ab1F1KJH convert rfc822-to-8bit (ORCPT ); Tue, 28 Jun 2011 06:09:07 -0400 MIME-Version: 1.0 In-Reply-To: <1309244992-2305-3-git-send-email-jim.cromie@gmail.com> References: <1309244992-2305-1-git-send-email-jim.cromie@gmail.com> <1309244992-2305-3-git-send-email-jim.cromie@gmail.com> From: Bart Van Assche Date: Tue, 28 Jun 2011 12:08:46 +0200 X-Google-Sender-Auth: ZbdYwTAqzBJizWt1iZDEf5d0D40 Message-ID: Subject: Re: [PATCH 02/11] dynamic_debug: trim source-path prefix from dynamic_debug/control To: Jim Cromie Cc: linux-kernel@vger.kernel.org, gnb@fmeh.org, jbaron@redhat.com, gregkh@suse.de Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 28, 2011 at 9:09 AM, Jim Cromie wrote: > > Skip past unchanging absolute source-path prefix to print a path > thats relative to kernel source's root-dir.  This makes the file > easier to read without a wide screen.  For example: > > kernel/freezer.c:128 [freezer]cancel_freezing - "  clean up: %s\012" > > Signed-off-by: Jim Cromie > --- >  lib/dynamic_debug.c |    3 ++- >  1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c > index a3b08d5..eb08a2f 100644 > --- a/lib/dynamic_debug.c > +++ b/lib/dynamic_debug.c > @@ -601,6 +601,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) >        struct ddebug_iter *iter = m->private; >        struct _ddebug *dp = p; >        char flagsbuf[8]; > +       const int offset = strlen(__FILE__) - strlen("lib/dynamic_debug.c"); > >        if (verbose) >                printk(KERN_INFO "%s: called m=%p p=%p\n", > @@ -613,7 +614,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) >        } > >        seq_printf(m, "%s:%u [%s]%s %s \"", > -                  dp->filename, dp->lineno, > +                  dp->filename + offset, dp->lineno, >                   iter->table->mod_name, dp->function, >                   ddebug_describe_flags(dp, flagsbuf, sizeof(flagsbuf))); >        seq_escape(m, dp->format, "\t\r\n\""); The above will break the output generated for out-of-tree kernel modules that use the dynamic debug facility. Bart.