Re: [PATCH 2/2] sched: Use iowait boost policy option in schedutil

From: Joel Fernandes
Date: Fri May 19 2017 - 00:56:23 EST


On Thu, May 18, 2017 at 9:39 PM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On Fri, May 19, 2017 at 12:00 AM, Joel Fernandes <joelaf@xxxxxxxxxx> wrote:
>> If cpufreq policy has iowait boost enabled, use it. Also make it a schedutil
>> configuration from sysfs so it can be turned on/off if needed (by default use
>> the policy value).
>
> As I understand it, you want to make iowait boost optional. It may be worth
> mentioning why we want to do that in the commit somewhere. I am quite sure
> you don't want for some of the ARM platforms. Can you please elaborate?

Yes, I actually have power measurements too which I will include in v2.
This is for an arm64 based Qualcomm SoC.

thanks,

-Joel