| From | jim.cromie@gmail ... | Subject | [PATCH 08/26] dynamic_debug: define several levels of verbosity | Date | Wed, 21 Sep 2011 15:54:57 -0600 |
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From: Jim Cromie <jim.cromie@gmail.com>
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 <jim.cromie@gmail.com> --- 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
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