Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems

[Andy Shevchenko]

On Tue, Jun 27, 2017 at 8:50 AM, Tom Lanyon <tom@xxxxxxxxxxxxx> wrote:
> On 23 June 2017 at 12:40, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

>     Linux during s2idle => 6% battery drain per hour.
>     Win10 during sleep => 1% battery drain per hour.
>
> where Linux = 4.12-rc6 + the latest patch from your acpi-pm-test branch.
>
> So whilst s2idle halves the battery drain compared to the machine
> staying powered on, it's still significantly more draining than Win10.
> Let me know if there's any more useful analysis I can do.

Tom, thanks for this.
I would speculate that the problem might be in the certain device
drivers. It would be nice to get statistics which wakeup source
generates more hits.


-- 
With Best Regards,
Andy Shevchenko