[LAU] Issue with the priority of the sound cards using rtirq

Ralf Mardorf ralf.mardorf at alice-dsl.net
Wed May 2 01:46:27 UTC 2012

On Wed, 2012-05-02 at 03:41 +0200, Ralf Mardorf wrote:
> You can of course manually lower
> > the 
> > priorities of non-soundcard irq processes with chrt.

Thank you, later today or tomorrow, I'll take a look at this.

spinymouse at precise:~$ chrt --help

chrt - manipulate real-time attributes of a process

Set policy:
  chrt [options] <policy> <priority> {<pid> | <command> [<arg> ...]}

Get policy:
  chrt [options] {<pid> | <command> [<arg> ...]}

Scheduling policies:
  -b | --batch         set policy to SCHED_BATCH
  -f | --fifo          set policy to SCHED_FIFO
  -i | --idle          set policy to SCHED_IDLE
  -o | --other         set policy to SCHED_OTHER
  -r | --rr            set policy to SCHED_RR (default)

Scheduling flags:
  -R | --reset-on-fork set SCHED_RESET_ON_FORK for FIFO or RR

  -a | --all-tasks     operate on all the tasks (threads) for a given
  -h | --help          display this help
  -m | --max           show min and max valid priorities
  -p | --pid           operate on existing given pid
  -v | --verbose       display status information
  -V | --version       output version information

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