Re: [PATCH v4 0/3] nvme power saving

From: Andy Lutomirski
Date: Wed Sep 21 2016 - 20:11:50 EST

On Fri, Sep 16, 2016 at 11:16 AM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> Hi all-
> Here's v4 of the APST patch set. The biggest bikesheddable thing (I
> think) is the scaling factor. I currently have it hardcoded so that
> we wait 50x the total latency before entering a power saving state.
> On my Samsung 950, this means we enter state 3 (70mW, 0.5ms entry
> latency, 5ms exit latency) after 275ms and state 4 (5mW, 2ms entry
> latency, 22ms exit latency) after 1200ms. I have the default max
> latency set to 25ms.

Anything I can/should do to help this make it for 4.9? :)