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: NPer Forlin <per.forlin@linaro.org> Acked-by: NKyungmin Park <kyungmin.park@samsung.com> Acked-by: NArnd Bergmann <arnd@arndb.de> Reviewed-by: NVenkatraman S <svenkatr@ti.com> Tested-by: NSourav Poddar <sourav.poddar@ti.com> Tested-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NChris Ball <cjb@laptop.org>
Showing
想要评论请 注册 或 登录