From: "Steven Rostedt (Red Hat)" <rost...@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 <rost...@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 3947835..1bbb1b2 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
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