linux-kernel - Re: int3403_driver_init needs over 330 ms to finish

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Message-ID: <1521012744.2087.13.camel@intel.com>
Date:   Wed, 14 Mar 2018 15:32:24 +0800
From:   Zhang Rui <rui.zhang@...el.com>
To:     Paul Menzel <pmenzel+linux-pm@...gen.mpg.de>,
        Eduardo Valentin <edubezval@...il.com>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: int3403_driver_init needs over 330 ms to finish

On 二, 2018-03-13 at 20:39 +0100, Paul Menzel wrote:
> Dear Linux folks,
> 
> 
> Booting the Dell XPS 13 9370 with Linux 4.16-rc4+ and
> `initcall_debug`, 
> shows it is shown that int3403_driver_init needs over 330 ms to run.
> 
>      [    2.524839] initcall int3403_driver_init+0x0/0x1000 
> [int3403_thermal] returned 0 after 333972 usecs
> 
I guess most of the time are spent in evaluating ACPI ASL code.
But anyway, please create a bugzilla report and attach both dmesg and
acpidump there.

thanks,
rui
> Please find all Linux messages attached.
> 
> Is there a way to reduce that time?
> 
> 
> Kind regards,
> 
> Paul