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Commit 1d4db00a authored by Steven Rostedt's avatar Steven Rostedt Committed by Thomas Gleixner
Browse files

ftrace: reset selftests 



The tests may leave stuff in the buffers. This resets the buffers
after each test is run. If a test fails, it does not reset the
buffer to avoid touching a buffer that is corrupted.

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 08bafa0e

kernel/trace/trace.c

+7 −0
Original line number Diff line number Diff line
@@ -289,6 +289,13 @@ int register_tracer(struct tracer *type) 
			printk(KERN_CONT "FAILED!\n");

			goto out;

		}

		/* Only reset on passing, to avoid touching corrupted buffers */

		for_each_possible_cpu(i) {

			data = tr->data[i];

			if (!head_page(data))

				continue;

			tracing_reset(data);

		}

		printk(KERN_CONT "PASSED\n");

	}

#endif