$ M1N1DEVICE=/dev/ttyACM0 python3.9 proxyclient/experiments/cpu_pstates.py
m1n1 base: 0x80374c000

E-Core pstate: 40000100105
P-Core pstate: 40000100101
TTY> Starting secondary CPUs...
TTY> Starting CPU 1 (0:1)...   Started.
TTY> Starting CPU 2 (0:2)...   Started.
TTY> Starting CPU 3 (0:3)...   Started.
TTY> Starting CPU 4 (1:0)...   Started.
TTY> Starting CPU 5 (1:1)...   Started.
TTY> Starting CPU 6 (1:2)...   Started.
TTY> Starting CPU 7 (1:3)...   Started.
== Initial CPU frequencies ==
CPU 0: 2063.98 MHz
CPU 1: 2063.98 MHz
CPU 2: 2064.00 MHz
CPU 3: 2064.02 MHz
CPU 4: 600.00 MHz
CPU 5: 600.00 MHz
CPU 6: 600.00 MHz
CPU 7: 600.00 MHz
E-Core pstate: 40000100105
P-Core pstate: 4000010f10f
== Final CPU frequencies ==
CPU 0: 2063.98 MHz
CPU 1: 2063.98 MHz
CPU 2: 2063.98 MHz
CPU 3: 2063.98 MHz
CPU 4: 2184.00 MHz
CPU 5: 2183.94 MHz
CPU 6: 2183.96 MHz
CPU 7: 2183.96 MHz