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Date: Mon, 11 Jul 2011 01:46:51 -0600 From: Jim Cromie <jim.cromie@...il.com> To: jbaron@...hat.com Cc: linux-kernel@...r.kernel.org, bvanassche@....org, joe@...ches.com, gregkh@...e.de, gnb@...h.org, Jim Cromie <jim.cromie@...il.com> Subject: [PATCH 16/21] dynamic_debug: define several levels of verbosity 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 Signed-off-by: Jim Cromie <jim.cromie@...il.com> --- lib/dynamic_debug.c | 14 +++++++++----- 1 files changed, 9 insertions(+), 5 deletions(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 31ee0fd..8dde999 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -70,7 +70,11 @@ struct ddebug_iter { static DEFINE_MUTEX(ddebug_lock); static LIST_HEAD(ddebug_tables); -static int verbose = 0; + +#define VERB_BASIC 1 +#define VERB_PROC 10 +#define VERB_PROC_SHOW 11 +static int verbose; module_param(verbose, int, 0644); /* legal but inapplicable queries, save and test against new modules */ @@ -777,7 +781,7 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos) struct _ddebug *dp; int n = *pos; - if (verbose) + if (verbose >= VERB_PROC) pr_info("called m=%p *pos=%lld\n", m, (unsigned long long)*pos); mutex_lock(&ddebug_lock); @@ -802,7 +806,7 @@ 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 >= VERB_PROC_SHOW) pr_info("called m=%p p=%p *pos=%lld\n", m, p, (unsigned long long)*pos); @@ -826,7 +830,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) struct _ddebug *dp = p; char flagsbuf[8]; - if (verbose) + if (verbose >= VERB_PROC_SHOW) pr_info("called m=%p p=%p\n", m, p); if (p == SEQ_START_TOKEN) { @@ -851,7 +855,7 @@ 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 >= VERB_PROC) pr_info("called m=%p p=%p\n", m, p); mutex_unlock(&ddebug_lock); } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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