Hi Chanwoo,
On 7/9/20 5:08 AM, Chanwoo Choi wrote:
Hi Lukasz,
On 7/9/20 12:34 AM, Lukasz Luba wrote:
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@xxxxxxxxx>
Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>
---
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;
}
Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Thank you for the review. Do you think this patch could go through
your tree together with your patches?
I don't know Krzysztof's opinion about the patch 2/2, but
I would expect, assuming the patch itself is correct, he would
like to take it into his next/dt branch.
Regards,
Lukasz
