For my setup, I have an Intel i7-1360P which contains 4 x P-Cores and 8 x E-Cores,
each P-Core is Hyperthread capable (assuming you have not disabled that in the BIOS).
This means in total, I have 16 Processors and if you want to exclude the VM from using all the E-Cores,
we need to add the following to the VM's VMX file:
processor8.use = "FALSE"
processor9.use = "FALSE"
processor10.use = "FALSE"
processor11.use = "FALSE"
processor12.use = "FALSE"
processor13.use = "FALSE"
processor14.use = "FALSE"
processor15.use = "FALSE"
Since I have 16 processors, the counter starts at 0 and ends at 15 with the last 8 processors being the E-Cores.
Depending on your total P and E-Core count (including Hyperthreading), your entries will vary.