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#!/usr/bin/env python3
# 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.
"""
Same as bench_oneshot.py but uses perf module instead, which is
supposed to be more precise.
"""
import sys
import pyperf # requires "pip install pyperf"
import psutil
from bench_oneshot import names
p = psutil.Process()
funs = [getattr(p, n) for n in names]
def call_normal():
for fun in funs:
fun()
def call_oneshot():
with p.oneshot():
for fun in funs:
fun()
def add_cmdline_args(cmd, args):
cmd.append(args.benchmark)
def main():
runner = pyperf.Runner()
args = runner.parse_args()
if not args.worker:
print("%s methods involved on platform %r (psutil %s):" % (
len(names), sys.platform, psutil.__version__))
for name in sorted(names):
print(" " + name)
runner.bench_func("normal", call_normal)
runner.bench_func("oneshot", call_oneshot)
main()
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