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#!/usr/bin/env python
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
A simple micro benchmark script which tests the speedup introduced in:
https://github.com/giampaolo/psutil/pull/1422/
"""
from __future__ import print_function
import sys
import timeit
import psutil
ITERATIONS = 10000
apis = [
'psutil.boot_time()',
'psutil.disk_io_counters()',
'psutil.cpu_count(logical=False)',
'psutil.cpu_count(logical=True)',
'psutil.cpu_times(percpu=True)',
'psutil.users()',
'psutil.cpu_stats()',
# 'psutil.net_connections(kind="inet4")', # slow
'proc.ionice()',
'proc.ionice(0)',
# 'proc.open_files()', # slow
'proc.cmdline()',
'proc.cwd()',
# 'proc.environ()', # slow
]
apis = sorted(set(apis))
setup = "import psutil; proc = psutil.Process()"
def main():
if not psutil.WINDOWS:
sys.exit("Windows only")
for api in apis:
elapsed = timeit.timeit(api, setup=setup, number=ITERATIONS)
print("%-40s %.3f" % (api, elapsed))
if __name__ == '__main__':
main()
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