mirror of https://github.com/morpheus65535/bazarr
422 lines
12 KiB
Python
422 lines
12 KiB
Python
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"""CherryPy Benchmark Tool
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Usage:
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benchmark.py [options]
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--null: use a null Request object (to bench the HTTP server only)
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--notests: start the server but do not run the tests; this allows
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you to check the tested pages with a browser
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--help: show this help message
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--cpmodpy: run tests via apache on 54583 (with the builtin _cpmodpy)
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--modpython: run tests via apache on 54583 (with modpython_gateway)
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--ab=path: Use the ab script/executable at 'path' (see below)
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--apache=path: Use the apache script/exe at 'path' (see below)
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To run the benchmarks, the Apache Benchmark tool "ab" must either be on
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your system path, or specified via the --ab=path option.
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To run the modpython tests, the "apache" executable or script must be
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on your system path, or provided via the --apache=path option. On some
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platforms, "apache" may be called "apachectl" or "apache2ctl"--create
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a symlink to them if needed.
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"""
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import getopt
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import os
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import re
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import sys
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import time
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import cherrypy
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from cherrypy._cpcompat import ntob
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from cherrypy import _cperror, _cpmodpy
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from cherrypy.lib import httputil
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curdir = os.path.join(os.getcwd(), os.path.dirname(__file__))
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AB_PATH = ''
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APACHE_PATH = 'apache'
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SCRIPT_NAME = '/cpbench/users/rdelon/apps/blog'
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__all__ = ['ABSession', 'Root', 'print_report',
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'run_standard_benchmarks', 'safe_threads',
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'size_report', 'startup', 'thread_report',
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]
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size_cache = {}
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class Root:
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@cherrypy.expose
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def index(self):
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return """<html>
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<head>
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<title>CherryPy Benchmark</title>
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</head>
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<body>
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<ul>
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<li><a href="hello">Hello, world! (14 byte dynamic)</a></li>
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<li><a href="static/index.html">Static file (14 bytes static)</a></li>
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<li><form action="sizer">Response of length:
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<input type='text' name='size' value='10' /></form>
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</li>
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</ul>
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</body>
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</html>"""
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@cherrypy.expose
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def hello(self):
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return 'Hello, world\r\n'
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@cherrypy.expose
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def sizer(self, size):
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resp = size_cache.get(size, None)
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if resp is None:
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size_cache[size] = resp = 'X' * int(size)
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return resp
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cherrypy.config.update({
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'log.error.file': '',
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'environment': 'production',
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'server.socket_host': '127.0.0.1',
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'server.socket_port': 54583,
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'server.max_request_header_size': 0,
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'server.max_request_body_size': 0,
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'engine.timeout_monitor.frequency': 0,
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})
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# Cheat mode on ;)
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del cherrypy.config['tools.log_tracebacks.on']
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del cherrypy.config['tools.log_headers.on']
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del cherrypy.config['tools.trailing_slash.on']
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appconf = {
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'/static': {
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'tools.staticdir.on': True,
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'tools.staticdir.dir': 'static',
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'tools.staticdir.root': curdir,
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},
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}
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app = cherrypy.tree.mount(Root(), SCRIPT_NAME, appconf)
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class NullRequest:
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"""A null HTTP request class, returning 200 and an empty body."""
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def __init__(self, local, remote, scheme='http'):
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pass
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def close(self):
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pass
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def run(self, method, path, query_string, protocol, headers, rfile):
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cherrypy.response.status = '200 OK'
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cherrypy.response.header_list = [('Content-Type', 'text/html'),
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('Server', 'Null CherryPy'),
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('Date', httputil.HTTPDate()),
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('Content-Length', '0'),
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]
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cherrypy.response.body = ['']
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return cherrypy.response
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class NullResponse:
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pass
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class ABSession:
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"""A session of 'ab', the Apache HTTP server benchmarking tool.
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Example output from ab:
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This is ApacheBench, Version 2.0.40-dev <$Revision: 1.121.2.1 $> apache-2.0
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Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
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Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/
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Benchmarking 127.0.0.1 (be patient)
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Completed 100 requests
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Completed 200 requests
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Completed 300 requests
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Completed 400 requests
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Completed 500 requests
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Completed 600 requests
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Completed 700 requests
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Completed 800 requests
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Completed 900 requests
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Server Software: CherryPy/3.1beta
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Server Hostname: 127.0.0.1
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Server Port: 54583
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Document Path: /static/index.html
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Document Length: 14 bytes
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Concurrency Level: 10
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Time taken for tests: 9.643867 seconds
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Complete requests: 1000
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Failed requests: 0
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Write errors: 0
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Total transferred: 189000 bytes
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HTML transferred: 14000 bytes
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Requests per second: 103.69 [#/sec] (mean)
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Time per request: 96.439 [ms] (mean)
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Time per request: 9.644 [ms] (mean, across all concurrent requests)
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Transfer rate: 19.08 [Kbytes/sec] received
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Connection Times (ms)
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min mean[+/-sd] median max
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Connect: 0 0 2.9 0 10
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Processing: 20 94 7.3 90 130
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Waiting: 0 43 28.1 40 100
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Total: 20 95 7.3 100 130
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Percentage of the requests served within a certain time (ms)
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50% 100
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66% 100
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75% 100
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80% 100
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90% 100
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95% 100
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98% 100
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99% 110
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100% 130 (longest request)
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Finished 1000 requests
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"""
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parse_patterns = [
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('complete_requests', 'Completed',
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ntob(r'^Complete requests:\s*(\d+)')),
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('failed_requests', 'Failed',
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ntob(r'^Failed requests:\s*(\d+)')),
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('requests_per_second', 'req/sec',
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ntob(r'^Requests per second:\s*([0-9.]+)')),
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('time_per_request_concurrent', 'msec/req',
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ntob(r'^Time per request:\s*([0-9.]+).*concurrent requests\)$')),
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('transfer_rate', 'KB/sec',
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ntob(r'^Transfer rate:\s*([0-9.]+)'))
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]
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def __init__(self, path=SCRIPT_NAME + '/hello', requests=1000,
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concurrency=10):
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self.path = path
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self.requests = requests
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self.concurrency = concurrency
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def args(self):
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port = cherrypy.server.socket_port
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assert self.concurrency > 0
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assert self.requests > 0
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# Don't use "localhost".
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# Cf
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# http://mail.python.org/pipermail/python-win32/2008-March/007050.html
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return ('-k -n %s -c %s http://127.0.0.1:%s%s' %
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(self.requests, self.concurrency, port, self.path))
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def run(self):
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# Parse output of ab, setting attributes on self
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try:
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self.output = _cpmodpy.read_process(AB_PATH or 'ab', self.args())
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except:
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print(_cperror.format_exc())
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raise
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for attr, name, pattern in self.parse_patterns:
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val = re.search(pattern, self.output, re.MULTILINE)
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if val:
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val = val.group(1)
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setattr(self, attr, val)
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else:
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setattr(self, attr, None)
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safe_threads = (25, 50, 100, 200, 400)
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if sys.platform in ('win32',):
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# For some reason, ab crashes with > 50 threads on my Win2k laptop.
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safe_threads = (10, 20, 30, 40, 50)
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def thread_report(path=SCRIPT_NAME + '/hello', concurrency=safe_threads):
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sess = ABSession(path)
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attrs, names, patterns = list(zip(*sess.parse_patterns))
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avg = dict.fromkeys(attrs, 0.0)
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yield ('threads',) + names
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for c in concurrency:
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sess.concurrency = c
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sess.run()
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row = [c]
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for attr in attrs:
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val = getattr(sess, attr)
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if val is None:
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print(sess.output)
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row = None
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break
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val = float(val)
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avg[attr] += float(val)
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row.append(val)
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if row:
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yield row
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# Add a row of averages.
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yield ['Average'] + [str(avg[attr] / len(concurrency)) for attr in attrs]
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def size_report(sizes=(10, 100, 1000, 10000, 100000, 100000000),
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concurrency=50):
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sess = ABSession(concurrency=concurrency)
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attrs, names, patterns = list(zip(*sess.parse_patterns))
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yield ('bytes',) + names
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for sz in sizes:
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sess.path = '%s/sizer?size=%s' % (SCRIPT_NAME, sz)
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sess.run()
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yield [sz] + [getattr(sess, attr) for attr in attrs]
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def print_report(rows):
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for row in rows:
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print('')
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for i, val in enumerate(row):
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sys.stdout.write(str(val).rjust(10) + ' | ')
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print('')
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def run_standard_benchmarks():
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print('')
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print('Client Thread Report (1000 requests, 14 byte response body, '
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'%s server threads):' % cherrypy.server.thread_pool)
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print_report(thread_report())
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print('')
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print('Client Thread Report (1000 requests, 14 bytes via staticdir, '
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'%s server threads):' % cherrypy.server.thread_pool)
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print_report(thread_report('%s/static/index.html' % SCRIPT_NAME))
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print('')
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print('Size Report (1000 requests, 50 client threads, '
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'%s server threads):' % cherrypy.server.thread_pool)
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print_report(size_report())
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# modpython and other WSGI #
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def startup_modpython(req=None):
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"""Start the CherryPy app server in 'serverless' mode (for modpython/WSGI).
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"""
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if cherrypy.engine.state == cherrypy._cpengine.STOPPED:
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if req:
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if 'nullreq' in req.get_options():
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cherrypy.engine.request_class = NullRequest
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cherrypy.engine.response_class = NullResponse
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ab_opt = req.get_options().get('ab', '')
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if ab_opt:
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global AB_PATH
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AB_PATH = ab_opt
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cherrypy.engine.start()
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if cherrypy.engine.state == cherrypy._cpengine.STARTING:
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cherrypy.engine.wait()
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return 0 # apache.OK
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def run_modpython(use_wsgi=False):
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print('Starting mod_python...')
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pyopts = []
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# Pass the null and ab=path options through Apache
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if '--null' in opts:
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pyopts.append(('nullreq', ''))
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if '--ab' in opts:
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pyopts.append(('ab', opts['--ab']))
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s = _cpmodpy.ModPythonServer
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if use_wsgi:
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pyopts.append(('wsgi.application', 'cherrypy::tree'))
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pyopts.append(
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('wsgi.startup', 'cherrypy.test.benchmark::startup_modpython'))
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handler = 'modpython_gateway::handler'
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s = s(port=54583, opts=pyopts,
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apache_path=APACHE_PATH, handler=handler)
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else:
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pyopts.append(
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('cherrypy.setup', 'cherrypy.test.benchmark::startup_modpython'))
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s = s(port=54583, opts=pyopts, apache_path=APACHE_PATH)
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try:
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s.start()
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run()
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finally:
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s.stop()
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if __name__ == '__main__':
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longopts = ['cpmodpy', 'modpython', 'null', 'notests',
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'help', 'ab=', 'apache=']
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try:
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switches, args = getopt.getopt(sys.argv[1:], '', longopts)
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opts = dict(switches)
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except getopt.GetoptError:
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print(__doc__)
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sys.exit(2)
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if '--help' in opts:
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print(__doc__)
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sys.exit(0)
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if '--ab' in opts:
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AB_PATH = opts['--ab']
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if '--notests' in opts:
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# Return without stopping the server, so that the pages
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# can be tested from a standard web browser.
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def run():
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port = cherrypy.server.socket_port
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print('You may now open http://127.0.0.1:%s%s/' %
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(port, SCRIPT_NAME))
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if '--null' in opts:
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print('Using null Request object')
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else:
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def run():
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|
end = time.time() - start
|
||
|
|
print('Started in %s seconds' % end)
|
||
|
|
if '--null' in opts:
|
||
|
|
print('\nUsing null Request object')
|
||
|
|
try:
|
||
|
|
try:
|
||
|
|
run_standard_benchmarks()
|
||
|
|
except:
|
||
|
|
print(_cperror.format_exc())
|
||
|
|
raise
|
||
|
|
finally:
|
||
|
|
cherrypy.engine.exit()
|
||
|
|
|
||
|
|
print('Starting CherryPy app server...')
|
||
|
|
|
||
|
|
class NullWriter(object):
|
||
|
|
|
||
|
|
"""Suppresses the printing of socket errors."""
|
||
|
|
|
||
|
|
def write(self, data):
|
||
|
|
pass
|
||
|
|
sys.stderr = NullWriter()
|
||
|
|
|
||
|
|
start = time.time()
|
||
|
|
|
||
|
|
if '--cpmodpy' in opts:
|
||
|
|
run_modpython()
|
||
|
|
elif '--modpython' in opts:
|
||
|
|
run_modpython(use_wsgi=True)
|
||
|
|
else:
|
||
|
|
if '--null' in opts:
|
||
|
|
cherrypy.server.request_class = NullRequest
|
||
|
|
cherrypy.server.response_class = NullResponse
|
||
|
|
|
||
|
|
cherrypy.engine.start_with_callback(run)
|
||
|
|
cherrypy.engine.block()
|