Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Is it normal that the pulseaudio process has sometimes a CPU usage of ~40%, even without playing audio? The process seems to run in realtime-priority, is that the cause of the problem?

Update: I deactivated the realtime-scheduling in /etc/pulse/daemon.conf and set the nice-level to 0. Unfortunately it seems to have no effect.

Update-2: I've removed icecast and darkice, that i installed some days ago to setup an internet radio station, because i thought they could be part of the problem. Pulseaudio still uses a huge amount of cpu time, and it seems that i'm not the only one with this problem. If you need more system specs, please ask me.

Some (related) information about the machine from the screenshot below:

  • Fedora 18
  • HP Elitebook 8460p
  • intel i5-2520M

CPU screenshot

share|improve this question
Switch to Arch. Everything's fine now :) – Feb 24 '14 at 14:04

You must log in to answer this question.

Browse other questions tagged .