#!/usr/bin/env python3

# Copyright (c) 2021 The Monero Project
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"""
    Help determine how much CPU power is available at the given time
    by running numerical calculations
"""

from __future__ import print_function
import subprocess
import psutil

def available_ram_gb():
    ram_bytes = psutil.virtual_memory().available
    kilo = 1024.0
    ram_gb = ram_bytes / kilo**3
    return ram_gb

def get_time_pi_seconds(cores, app_dir='.'):
    app_path = '{}/cpu_power_test'.format(app_dir)
    time_calc = subprocess.check_output([app_path, str(cores)])
    decoded = time_calc.decode('utf-8')
    miliseconds = int(decoded)

    return miliseconds / 1000.0
