Commit 74df138d authored Dec 19, 2011 by Jim Cromie Committed by Greg Kroah-Hartman Jan 24, 2012

dynamic_debug: change verbosity at runtime



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>

parent b558c96f

lib/dynamic_debug.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)