Also, GSH starts at 100 unless you change the --gekko-start-freq

That's unrelated to if it will increase, but it will start at 100.

The chosen freq to scale up to, defaults to 100, but is set with --gekko-newpac-freq

i.e. a GSH is a newpac (not a 2pac)

But if you are setting everything correctly on the command line and it is not increasing after running for 10 minutes, and there's no hardware issue, the above post will be the cause: