From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 12 May 2008 19:20:45 +0000 (+0200)
Subject: ftrace: change buffers to producer consumer
X-Git-Tag: v2.6.27-rc1~1102^2^2~1^2~123
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93a588f459da134be6ab17c4104e28441beb0d22;p=pandora-kernel.git

ftrace: change buffers to producer consumer

This patch changes the way the CPU trace buffers are handled.
Instead of always starting from the trace page head, the logic
is changed to a producer consumer logic. This allows for the
buffers to be drained while they are alive.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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