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dynamic_debug: change verbosity at runtime

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Allow changing dynamic_debug verbosity at run-time, to ease debugging
of ddebug queries as you add them, improving usability.

at boot time: dynamic_debug.verbose=1
at runtime:
root@voyage:~# echo 1 > /sys/module/dynamic_debug/parameters/verbose

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jim Cromie 2011-12-19 17:12:24 -05:00 committed by Greg Kroah-Hartman
parent b558c96ffa
commit 74df138d50
1 changed files with 1 additions and 0 deletions
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lib/dynamic_debug.c
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@ -60,6 +60,7 @@ struct ddebug_iter {
static DEFINE_MUTEX(ddebug_lock);
static LIST_HEAD(ddebug_tables);
static int verbose = 0;
module_param(verbose, int, 0644);
/* Return the last part of a pathname */
static inline const char *basename(const char *path)