R7800 SQM settings keep causing bufferbloat

[hnyman]

cake is pretty complex its in calculations and does maybe not quite suit into the dual-core CPU-scaling ipq8065 in R7800. Varying CPU speeds may throw the calculations off.

Some ideas:

• You may need to disable the CPU frequency scaling and keep the router on full CPU 1.7 GHz all the time (so that it does not scale down to 0.384 GHz when idling). Use "performance" governor instead of "ondemand".
• change the kernel parameters for CPU scaling. Example:

echo 35 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
echo 10 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor

Personally I use simple.sqm with fq_codel and not cake with my R7800.

You might read the discussion from:

Build for Netgear R7800

connect via ssh and type these two commands echo 35 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold echo 10 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor then let me know if that improves your network transfer speeds (it did for me, it also improved my overall network speeds)

How do I permanently change the scaling governor from ondemand to performance?

As the title implies, I would like to know how do I permanently change the scaling governor from ondemand to performance? I was able to manually change it to performance but the change did not persist across a reboot.