Ubuntu studio / realtime audio processing (Intel(R) Core(TM) i7 CPU 870)

fix_throttling_when_idle.md

Gist:

throttling does not go well with realtime audio processing (resulting in a popcorn audio stream)

Having audio issues? Double check if u r throttling!!

see real live cpu frequency

watch grep \"cpu MHz\" /proc/cpuinfo

disable cpuidle

add

idle=poll

to /etc/default/grub -> GRUB_CMDLINE_LINUX_DEFAULT

cpu freq selector

apt install indicator-cpufreq 

/etc/modprobe.d/alsa-base.conf

options snd-ice1712 model=delta44 omni=0

/etc/default/rtirq

RTIRQ_NAME_LIST="snd_ice1712 snd_hda usb"

modinfo

modinfo snd-ice1712

pulseaudio

• /etc/pulse/default.pa

  load-module module-udev-detect tsched=0 ignore_dB=0

• /etc/pulse/daemon.conf

  resample-method = ffmpeg
  enable-remixing = yes
  default-sample-format = s32le
  default-sample-rate = 44100
  alternate-sample-rate = 48000

Disable irqbalance:
sudo apt remove irqbalance