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d bus - What makes it possible for a `pulseaudio' process ...
https://unix.stackexchange.com/questions/258161/what-makes-it-possible-for-a-pulseaudio-process-to-get-the-nice-level-of-11#:~:text=PulseAudio%20requires%20higher%20priority%20than%20other%20desktop%20programs,special%20priority%2C%20it%20uses%20the%20RealtimeKit%20%28rtkit-daemon%29%20process.
d bus - What makes it possible for a `pulseaudio' process ...
https://unix.stackexchange.com/questions/258161/what-makes-it-possible-for-a-pulseaudio-process-to-get-the-nice-level-of-11
PulseAudio requires higher priority than other desktop programs mainly to avoid latency problems and get a skip-free audio playback. But the process that allows PulseAudio to have a higher priority is rather complex. To get this special priority, it uses the RealtimeKit (rtkit-daemon) process. This D-Bus service allows some user programs to use real-time scheduling and …
pulseaudio - Do all apps start with a normal priority on ...
https://askubuntu.com/questions/132355/do-all-apps-start-with-a-normal-priority-on-the-system-monitor
Ubuntu's AppArmor is configured to allow certain important programs to request a high priority (negative niceness), most notably PulseAudio. This prevents breaks in playing audio while your system is under heavy load. In summary, yes all applications start with a normal priority. However, in practice, many applications request a different priority immediately after launching.
Why the process priority of Pulseaudio is -11? - Ask Ubuntu
https://askubuntu.com/questions/81260/why-the-process-priority-of-pulseaudio-is-11
So a nice value of -11 actually means that Pulse Audio is running with higher priority than most processes on the system. nice specifies how much a program is nicer to others, so a -11 nice value mean you are not at all nicer to other program and hence you will get a higher priority. Ok, I …
Pulseaudio: Can't get realtime or high-priority permissions
https://forums.opensuse.org/showthread.php/400774-Pulseaudio-Can-t-get-realtime-or-high-priority-permissions
I'm really confused, because polkit tells me I can be granted permission, and I'm in the proper groups, but pulseaudio tells me I can't get permission...hmm. I wanted to see if anybody else had this problem / knew of a solution / isolate whether it is a pulseaudio, policykit, whatever problem, before I post a bug upstream. ~ $ rpm -qi pulseaudio | awk …
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