diff --git a/README.md b/README.md index b83cdf4..2789c1c 100644 --- a/README.md +++ b/README.md @@ -125,7 +125,9 @@ The NanoPi NEO2 with Allwinner H5 Quad-core 64-bit Cortex A53 processor. See [Armbian NanoPi NEO2 ](https://www.armbian.com/nanopi-neo-2/) for additional information about how to setup Ubuntu on this board. The [ubuntu-packages.sh](ubuntu-packages.sh) script can be used to install all the packages required to compile and run the AES67 daemon, and the [platform compatibility test](#test). -**_Important_** CPU scale events could affect daemon streams adding unexpected distortions, see [CPU scale events and scripts notes](#notes). + +**_Important_** CPU scale events could affect daemon streams causing unexpected distortions, see [CPU scale events and scripts notes](#notes). + **_Important_** _PulseAudio_ must be disabled or uninstalled for the daemon to work properly, see [PulseAudio and scripts notes](#notes). ## How to build ## @@ -273,15 +275,15 @@ Before running the daemon make sure you disable CPU scaling events: Check if CPU scaling is enabled with: - cat /proc/sys/kernel/perf_cpu_time_max_percent + cat /proc/sys/kernel/perf_cpu_time_max_percent If result is not 0, (it's usually set to 25) set it to 0 with: - sudo sysctl -w kernel.perf_cpu_time_max_percent=0 + sudo sysctl -w kernel.perf_cpu_time_max_percent=0 You may also want to review the current CPU scaling governor with (cpu0 in this case): - cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor + cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor See https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt for dditional info. * **PulseAudio** can create instability problems.