Messages in this thread Patch in this message | | | From | Lukasz Luba <> | Subject | [PATCH v2 1/2] memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold | Date | Fri, 10 Jul 2020 20:11:21 +0100 |
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In order to react faster and make better decisions under some workloads, benchmarking the memory subsystem behavior, adjust the polling interval and upthreshold value used by the simple_ondemand governor.
Reported-by: Willy Wolff <willy.mh.wolff.ml@gmail.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> --- drivers/memory/samsung/exynos5422-dmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 93e9c2429c0d..e03ee35f0ab5 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -1466,10 +1466,10 @@ static int exynos5_dmc_probe(struct platform_device *pdev) * Setup default thresholds for the devfreq governor. * The values are chosen based on experiments. */ - dmc->gov_data.upthreshold = 30; + dmc->gov_data.upthreshold = 10; dmc->gov_data.downdifferential = 5; - exynos5_dmc_df_profile.polling_ms = 500; + exynos5_dmc_df_profile.polling_ms = 100; } -- 2.17.1
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