From: Per Forlin <per.forlin@linaro.org>
Date: Fri, 1 Jul 2011 16:55:27 +0000 (+0200)
Subject: mmc: mmc_test: test to measure how sg_len affect performance
X-Git-Tag: v3.1-rc1~321^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf043330362b1ccb0c0611b8fc394e06ba8498b0;p=pandora-kernel.git

mmc: mmc_test: test to measure how sg_len affect performance

Add a test that measures how the mmc bandwidth depends on the numbers of
sg elements in the sg list. The transfer size if fixed and sg length goes
from a few up to 512. The purpose is to measure overhead caused by
multiple sg elements.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Venkatraman S <svenkatr@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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