From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

The hwlat-detector needs a better clock than just ktime_get() as that
can induce its own latencies. The trace clock is perfect for it, but
it needs to be exported for use by modules.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/trace_clock.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 6302747..e5163ab 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c

@@ -44,6 +44,7 @@ u64 notrace trace_clock_local(void)
 
 	return clock;
 }
+EXPORT_SYMBOL_GPL(trace_clock_local);
 
 /*
  * trace_clock(): 'between' trace clock. Not completely serialized,

-- 
1.7.10.4