From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751881Ab1IUV4I (ORCPT ); Wed, 21 Sep 2011 17:56:08 -0400 Received: from mail-yw0-f46.google.com ([209.85.213.46]:49731 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751825Ab1IUV4F (ORCPT ); Wed, 21 Sep 2011 17:56:05 -0400 From: jim.cromie@gmail.com To: jbaron@redhat.com Cc: joe@perches.com, bart.vanassche@gmail.com, greg@kroah.com, linux-kernel@vger.kernel.org, Jim Cromie Subject: [PATCH 08/26] dynamic_debug: define several levels of verbosity Date: Wed, 21 Sep 2011 15:54:57 -0600 Message-Id: <1316642115-20029-9-git-send-email-jim.cromie@gmail.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1316642115-20029-1-git-send-email-jim.cromie@gmail.com> References: <1316642115-20029-1-git-send-email-jim.cromie@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jim Cromie define verbose levels 10, 11 to turn on noisy pr_info()s selectively 10: ddebug_proc_(start|stop) - once each per page of output 11: ddebug_proc_(show|next) - once each for every call-site 1-9: are unspecified, may be used for other pr_info()s No MODULE_PARM_DESC added, as modinfo doesnt report it for built-ins. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 74b395b..b88f918 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -61,6 +61,8 @@ struct ddebug_iter { static DEFINE_MUTEX(ddebug_lock); static LIST_HEAD(ddebug_tables); static int verbose = 0; +#define VERBOSE_PROC 10 /* enable per-page msgs on control file reads */ +#define VERBOSE_PROC_SHOW 11 /* enable per-line msgs on control file reads */ module_param(verbose, int, 0644); /* Return the last part of a pathname */ @@ -636,7 +638,7 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos) struct _ddebug *dp; int n = *pos; - if (verbose) + if (verbose >= VERBOSE_PROC) pr_info("called m=%p *pos=%lld\n", m, (unsigned long long)*pos); mutex_lock(&ddebug_lock); @@ -661,7 +663,7 @@ static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos) struct ddebug_iter *iter = m->private; struct _ddebug *dp; - if (verbose) + if (verbose >= VERBOSE_PROC_SHOW) pr_info("called m=%p p=%p *pos=%lld\n", m, p, (unsigned long long)*pos); @@ -685,7 +687,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) struct _ddebug *dp = p; char flagsbuf[8]; - if (verbose) + if (verbose >= VERBOSE_PROC_SHOW) pr_info("called m=%p p=%p\n", m, p); if (p == SEQ_START_TOKEN) { @@ -710,7 +712,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) */ static void ddebug_proc_stop(struct seq_file *m, void *p) { - if (verbose) + if (verbose >= VERBOSE_PROC) pr_info("called m=%p p=%p\n", m, p); mutex_unlock(&ddebug_lock); } -- 1.7.4.4