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author | Eric Hameleers <alien@slackware.com> | 2020-09-05 22:04:40 +0200 |
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committer | Eric Hameleers <alien@slackware.com> | 2020-09-05 22:04:40 +0200 |
commit | a107c2a55f94e874303a9f79540f66d6829609ad (patch) | |
tree | 69af1f42f18bebaf12d14bd8fc29c0188df3b91c | |
parent | c81e6669b78ff4d255dd17cd3f18bf2d51ab7a50 (diff) | |
download | liveslak-a107c2a55f94e874303a9f79540f66d6829609ad.tar.gz liveslak-a107c2a55f94e874303a9f79540f66d6829609ad.tar.xz |
DAW: grant write access to /dev/cpu_dma_latency
Prevent CPU's from going into idle state to improve latency.
-rwxr-xr-x | make_slackware_live.sh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/make_slackware_live.sh b/make_slackware_live.sh index 0bf22e5..0ca3c82 100755 --- a/make_slackware_live.sh +++ b/make_slackware_live.sh @@ -2196,11 +2196,14 @@ EOT fi # Allow access for 'audio' group to the high precision event timer, - # which may benefit a DAW which relies on ALSA MIDI: + # which may benefit a DAW which relies on ALSA MIDI; + # Also grant write access to /dev/cpu_dma_latency to prevent CPU's + # from going into idle state: mkdir -p ${LIVE_ROOTDIR}/etc/udev/rules.d cat <<EOT > ${LIVE_ROOTDIR}/etc/udev/rules.d/40-timer-permissions.rules KERNEL=="rtc0", GROUP="audio" KERNEL=="hpet", GROUP="audio" +KERNEL=="cpu_dma_latency", GROUP="audio" EOT # Audio related sysctl settings for better realtime performance: |