From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: [PATCH RT 15/19] hwlat-detect/trace: Export trace_clock_local for hwlat-detector Date: Sun, 08 Sep 2013 11:14:10 -0400 Message-ID: <20130908151448.353747225@goodmis.org> References: <20130908151355.362583092@goodmis.org> Cc: Thomas Gleixner , Carsten Emde , Sebastian Andrzej Siewior , John Kacur To: linux-kernel@vger.kernel.org, linux-rt-users Return-path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:13590 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753696Ab3IHP4q (ORCPT ); Sun, 8 Sep 2013 11:56:46 -0400 Content-Disposition: inline; filename=0015-hwlat-detect-trace-Export-trace_clock_local-for-hwla.patch Sender: linux-rt-users-owner@vger.kernel.org List-ID: 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