7 Apr
2013
7 Apr
'13
1:05 a.m.
On Sat, 2013-04-06 at 18:18 -0400, jonetsu(a)teksavvy.com wrote:
!!! WARNING !!! - Your system seems to use frequency
scaling. This
can have a serious impact on audio latency. For best results turn it
off, e.g. by chosing the 'performance' governor.
If you should start your audio sessions by scripts, you e.g. could add
if [ "$(grep -v performance
/sys/devices/system/cpu/cpu*/cpufreq/scaling_governor)" ]; then
echo -n performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
>/dev/null
fi
this is independent of the tool used by your distro, so no wrapper or
other trick is needed, if you run your session on another machine. I
first check, if it's already set up to performance, because I use sudo
with a password and I won't type the password all the times I restart a
session, while the governor already is set up to performance.