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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2013-09-07 20:54:31 -0400
committerSteven Rostedt <rostedt@rostedt.homelinux.com>2013-09-11 20:45:04 -0400
commitd5f5025e3914c129c7e2a99e49c6a51def47790f (patch)
tree021a25ee64b839a0f72ce874e81a381f76a39996
parent9f5bfc11c386b9e1d2b286b990f6b03884eb74ef (diff)
hwlat-detect/trace: Export trace_clock_local for hwlat-detector
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>
-rw-r--r--kernel/trace/trace_clock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 6302747a1398..e5163ab95335 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,