src/third_party/web_platform_tests/tools/pytest/bench/bench.py

import sys

if __name__ == '__main__':
    import cProfile
    import pytest
    import pstats
    script = sys.argv[1:] if len(sys.argv) > 1 else "empty.py"
    stats = cProfile.run('pytest.cmdline.main(%r)' % script, 'prof')
    p = pstats.Stats("prof")
    p.strip_dirs()
    p.sort_stats('cumulative')
    print(p.print_stats(500))