From: Steven Rostedt <srostedt@redhat.com>
Date: Wed, 3 Dec 2008 04:50:05 +0000 (-0500)
Subject: ftrace: function graph return for function entry
X-Git-Tag: v2.6.29-rc1~586^2~34^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e49dc19c6a19ea112fcb94b7c62ec62cdd5c08aa;p=pandora-kernel.git

ftrace: function graph return for function entry

Impact: feature, let entry function decide to trace or not

This patch lets the graph tracer entry function decide if the tracing
should be done at the end as well. This requires all function graph
entry functions return 1 if it should trace, or 0 if the return should
not be traced.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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