From: "Steven Rostedt (Red Hat)" 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 --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/