linux-kernel - Re: regression/bisected/6.9 commit 587d67fd929ad89801bcc429675bda90d53f6592 decrease 30% of gaming performance

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Message-ID: <CABXGCsNMBRUaY-V8mhUQKdq+CQW5+eGUWL_YCJWXo0cgh9bGJQ@mail.gmail.com>
Date: Mon, 1 Apr 2024 18:49:33 +0500
From: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To: Takashi Iwai <tiwai@...e.de>
Cc: Linux List Kernel Mailing <linux-kernel@...r.kernel.org>, linux-sound@...r.kernel.org
Subject: Re: regression/bisected/6.9 commit 587d67fd929ad89801bcc429675bda90d53f6592
 decrease 30% of gaming performance

On Mon, Apr 1, 2024 at 4:41 PM Takashi Iwai <tiwai@...e.de> wrote:
> The only code of the commit 587d67fd929a is the close of ALSA timer
> device.  If it really matters, it implies that the user-space seems
> trying to open/close the ALSA timer device so frequently.
>
> Are you using ALSA dmix/dsnoop?  It would explain.

It's new words for me. I didn’t configure anything like this myself,
only if the maintainers of my distribution enable it by default.
I only know that Fedora Rawhide uses Pipewire for mixing sound.

-- 
Best Regards,
Mike Gavrilov.