From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 15 Sep 2009 16:24:22 +0000 (-0400)
Subject: tracing: optimize global_trace_clock cachelines
X-Git-Tag: v2.6.32-rc1~654^2~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ca6cca31ddc7cc8b1dc38b12d7593d2667defe8;p=pandora-kernel.git

tracing: optimize global_trace_clock cachelines

The prev_trace_clock_time is only read or written to when the
trace_clock_lock is taken. For better perfomance, they
should share the same cache line.

Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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