x86, hw-branch-tracer: add selftest

Add a selftest for the hw-branch-tracer.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
LKML-Reference: <20090313105027.A30183@sedona.ch.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index a99a04c5e9cd..4ca82700c04e 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -342,7 +342,10 @@ struct tracer bts_tracer __read_mostly =
         .start          = bts_trace_start,
         .stop           = bts_trace_stop,
         .open           = trace_bts_prepare,
-        .close          = trace_bts_close
+        .close          = trace_bts_close,
+#ifdef CONFIG_FTRACE_SELFTEST
+        .selftest       = trace_selftest_startup_hw_branches,
+#endif /* CONFIG_FTRACE_SELFTEST */
 };
 
 __init static int init_bts_trace(void)