Score:0

Pulseaudio cpu usage above normal with no audio/video play

cn flag

I've noticed on my default installation of Ubuntu 21.04 with kernel 5.11 on the Dell XPS 9510, that Pulseaudio uses a small amount of CPU all the time, around 6-7% (checked with the top command at CLI), and I haven't use the audio at all.

The system uptime is 3 days, and the CPU Time (total cpu usage from System Monitor) of Pulseaudio is 50 hours, then you have Firefox, Xorg and Gnome-shell, all of the with 20 hours of total CPU time.

It seems too much to me, especially when I haven't used anything that plays audio, no video, no YouTube since the last reboot, 3 days ago.

Is there a way to fine tune Pulseaudio to use less CPU, maybe is the sampling time?

guettli avatar
in flag
Same here with Ubuntu 22.04, puseaudio uses 5% CPU constantly (although I don't play any sound).
guettli avatar
in flag
If I close Chromium, then pulseaudio stops the CPU usage.
cachius avatar
ci flag
@guettli Maybe [file a bugreport](https://crbug.com/wizard) for chromium. :-) A Google account is needed, and [here](https://www.chromium.org/for-testers/bug-reporting-guidelines) are some guidelines.
kanehekili avatar
zw flag
My Ubuntu 22.04 shows pulseaudio with 0%CPU and 0,3% MEM in "top". Manjaro distro the same. Firefox&Chromium running, XSession in both cases. Try to disable possible Add-ons and retry.
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