linux-kernel - Re: i8042 AUX port [serio1] suspend takes a second on Dell XPS 13 9360 and TUXEDO Book 1406

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Message-ID: <20180130175017.72inurhk5l7tcvae@dtor-ws>
Date:   Tue, 30 Jan 2018 09:52:45 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Paul Menzel <pmenzel+linux-input@...gen.mpg.de>
Cc:     linux-input@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        it+linux-input@...gen.mpg.de
Subject: Re: i8042 AUX port [serio1] suspend takes a second on Dell XPS 13
 9360 and TUXEDO Book 1406

Hi Paul,

On Tue, Jan 30, 2018 at 06:36:34PM +0100, Paul Menzel wrote:
> Dear Linux folks,
> 
> 
> I do not know, when it started, but with Linux 4.14-rc8 and 4.15,
> benchmarking suspend and resume time with `sleepgraph.py` [1][2], there is a
> regression, that i8042 AUX port [serio1] suspend takes a second on Dell XPS
> 13 9360 and TUXEDO Book 1406.

It would be really helpful to know when the regression started.

Thanks.

-- 
Dmitry