From: Takashi Iwai <tiwai@suse.de>
To: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>,
Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
linux-sound@vger.kernel.org
Subject: Re: regression/bisected/6.9 commit 587d67fd929ad89801bcc429675bda90d53f6592 decrease 30% of gaming performance
Date: Mon, 01 Apr 2024 16:48:23 +0200 [thread overview]
Message-ID: <87h6glt9zc.wl-tiwai@suse.de> (raw)
In-Reply-To: <CABXGCsNMBRUaY-V8mhUQKdq+CQW5+eGUWL_YCJWXo0cgh9bGJQ@mail.gmail.com>
On Mon, 01 Apr 2024 15:49:33 +0200,
Mikhail Gavrilov wrote:
>
> On Mon, Apr 1, 2024 at 4:41 PM Takashi Iwai <tiwai@suse.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.
Then it shouldn't be dmix/dsnoop. You'd better try profiling what's
going on there. e.g. try to get perf results with and without the
commit.
Takashi
next prev parent reply other threads:[~2024-04-01 14:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-31 20:21 regression/bisected/6.9 commit 587d67fd929ad89801bcc429675bda90d53f6592 decrease 30% of gaming performance Mikhail Gavrilov
2024-04-01 7:07 ` Takashi Iwai
2024-04-01 11:07 ` Mikhail Gavrilov
2024-04-01 11:41 ` Takashi Iwai
2024-04-01 13:49 ` Mikhail Gavrilov
2024-04-01 14:48 ` Takashi Iwai [this message]
2024-04-01 16:50 ` Mikhail Gavrilov
2024-04-01 19:29 ` mikhail.v.gavrilov
2024-04-18 6:22 ` Mikhail Gavrilov
2024-04-24 13:21 ` Mikhail Gavrilov
2024-04-24 13:33 ` Takashi Iwai
2024-04-24 13:42 ` Takashi Iwai
2024-04-29 23:00 ` Mikhail Gavrilov
2024-04-30 5:51 ` Takashi Iwai
2024-04-30 10:54 ` Mikhail Gavrilov
2024-04-30 12:12 ` Takashi Iwai
2024-04-30 14:42 ` Mikhail Gavrilov
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