git-benchmark.py

#!/usr/bin/env python3

import os
import resource
import time

N_CPU = os.sysconf('SC_NPROCESSORS_ONLN')


class Usage:
    def __init__(self):
        self.start_time = 0

    def __enter__(self, *args):
        print(args)
        self.res_start = resource.getrusage(resource.RUSAGE_CHILDREN)
        self.start_time = time.time()

    def __exit__(self, *args):
        duration = time.time() - self.start_time
        res_end = resource.getrusage(resource.RUSAGE_CHILDREN)
        stime = res_end.ru_stime - self.res_start.ru_stime
        utime = res_end.ru_utime - self.res_start.ru_utime
        idle = duration - (stime + utime) / N_CPU
        print(
            f'user = {utime} stime = {stime} total = {duration} idle = {idle}')


if __name__ == '__main__':
    count = 10
    dirs = list(map(lambda x: str(x), range(count)))
    os.system(f'rm -rf {" ".join(dirs)}')
    with Usage():
        for i in dirs:
            os.system(
                f'git clone https://github.com/ganadist/AndroidPlatformBuilder {i}')

    os.system(f'rm -rf {" ".join(dirs)}')

    with Usage():
        for i in dirs:
            os.system(
                f'git clone ssh://github.com/ganadist/AndroidPlatformBuilder {i}')
    os.system(f'rm -rf {" ".join(dirs)}')

git clone https://blahblah x 10 : user = 0.477663 stime = 0.20673899999999998 total = 14.000959157943726 idle = 13.915408907943725
git clone ssh://blahblah x 10 : user = 0.445813 stime = 0.16432599999999997 total = 34.26047897338867 idle = 34.18421159838867