Commit 0be61ebc authored Jun 18, 2012 by Steven Rostedt Committed by Steven Rostedt Jun 28, 2012

tracing/selftest: Add a WARN_ON() if a tracer test fails



Add a WARN_ON() output on test failures so that they are easier to detect
in automated tests. Although, the WARN_ON() will not print if the test
causes the system to crash, obviously.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent 357398e9

kernel/trace/trace.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -830,6 +830,8 @@ int register_tracer(struct tracer *type)
		current_trace = saved_tracer;
		if (ret) {
		printk(KERN_CONT "FAILED!\n");
		/* Add the warning after printing 'FAILED' */
		WARN_ON(1);
		goto out;
		}
		/* Only reset on passing, to avoid touching corrupted buffers */