From: Alexander Shishkin <virtuoso@slind.org>
Date: Tue, 1 Dec 2009 13:00:51 +0000 (+0100)
Subject: ARM: 5841/1: a driver for on-chip ETM and ETB
X-Git-Tag: v2.6.33-rc1~384^2~2^4~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5d6c7708c3e58015b2e4e13e6cea02c8567a94e;p=pandora-kernel.git

ARM: 5841/1: a driver for on-chip ETM and ETB

This driver implements support for on-chip Embedded Tracing Macrocell and
Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow
and exporting trace output to userspace via character device and a sysrq
combo.

Trace output can then be decoded by a fairly simple open source tool [1]
which is already sufficient to get the idea of what the kernel is doing.

[1]: http://github.com/virtuoso/etm2human

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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