From: Michael Ellerman <michael@ellerman.id.au>
Date: Tue, 6 Aug 2013 07:42:37 +0000 (+1000)
Subject: selftests: Add test of PMU instruction counting on powerpc
X-Git-Tag: v3.12-rc1~123^2~94
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb96143defbd5516c351595d56b608ed915b525e;p=pandora-kernel.git

selftests: Add test of PMU instruction counting on powerpc

This commit adds a test of instruction counting using the PMU on powerpc.

Although the bulk of the code is architecture agnostic, the code needs to
run a precisely sized loop which is implemented in assembler.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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