Messages in this thread | | | Date | Mon, 01 Apr 2024 16:48:23 +0200 | From | Takashi Iwai <> | Subject | Re: regression/bisected/6.9 commit 587d67fd929ad89801bcc429675bda90d53f6592 decrease 30% of gaming performance |
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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
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