check free ram usage for python process code example

Example 1: How to get current CPU and RAM usage in Python?

#!/usr/bin/env python
import psutil
# gives a single float value
psutil.cpu_percent()
# gives an object with many fields
psutil.virtual_memory()
# you can convert that object to a dictionary 
dict(psutil.virtual_memory()._asdict())

Example 2: how to measure how much your of cpu your program is using in python

$ pip install line_profiler