From 8bba1bf5e2434c83f2fe8b1422604ace9bbe4cb8 Mon Sep 17 00:00:00 2001
From: Markus Metzger <markus.t.metzger@intel.com>
Date: Tue, 25 Nov 2008 09:12:31 +0100
Subject: [PATCH] x86, ftrace: call trace->open() before stopping tracing; add
 trace->print_header()

Add a callback to allow an ftrace plug-in to write its own header.

Move the call to trace->open() up a few lines.

The changes are required by the BTS ftrace plug-in.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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