75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Generates test runner factory and tests for performance tests."""
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import json
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import logging
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import os
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import psutil
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import signal
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import time
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from pylib import android_commands
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from pylib import cmd_helper
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from pylib import forwarder
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from pylib import ports
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import test_runner
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def _KillPendingServers():
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for retry in range(5):
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for server in ['lighttpd', 'web-page-replay']:
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pids = [p.pid for p in psutil.process_iter() if server in p.name]
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for pid in pids:
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try:
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logging.warning('Killing %s %s', server, pid)
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os.kill(pid, signal.SIGQUIT)
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except Exception as e:
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logging.warning('Failed killing %s %s %s', server, pid, e)
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# Restart the adb server with taskset to set a single CPU affinity.
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cmd_helper.RunCmd(['adb', 'kill-server'])
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cmd_helper.RunCmd(['taskset', '-c', '0', 'adb', 'start-server'])
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cmd_helper.RunCmd(['taskset', '-c', '0', 'adb', 'root'])
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i = 1
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while not android_commands.GetAttachedDevices():
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time.sleep(i)
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i *= 2
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if i > 10:
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break
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# Reset the test port allocation. It's important to do it before starting
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# to dispatch any step.
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if not ports.ResetTestServerPortAllocation():
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raise Exception('Failed to reset test server port.')
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forwarder.Forwarder.UseMultiprocessing()
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def Setup(test_options):
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"""Create and return the test runner factory and tests.
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Args:
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test_options: A PerformanceOptions object.
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Returns:
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A tuple of (TestRunnerFactory, tests).
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"""
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# Before running the tests, kill any leftover server.
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_KillPendingServers()
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with file(test_options.steps, 'r') as f:
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tests = json.load(f)
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flaky_steps = []
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if test_options.flaky_steps:
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with file(test_options.flaky_steps, 'r') as f:
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flaky_steps = json.load(f)
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def TestRunnerFactory(device, shard_index):
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return test_runner.TestRunner(
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test_options, device, tests, flaky_steps)
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return (TestRunnerFactory, sorted(tests.keys()))
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