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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
p = psutil.Process()
def call_normal(funs):
for fun in funs:
fun()
def call_oneshot(funs):
with p.oneshot():
for fun in funs:
fun()
def main():
from bench_oneshot import names
runner = pyperf.Runner()
args = runner.parse_args()
if not args.worker:
print(
f"{len(names)} methods involved on platform"
f" {sys.platform!r} (psutil {psutil.__version__}):"
)
for name in sorted(names):
print(" " + name)
funs = [getattr(p, n) for n in names]
runner.bench_func("normal", call_normal, funs)
runner.bench_func("oneshot", call_oneshot, funs)
if __name__ == "__main__":
main()
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