e471bef904
This is basically a refactoring that extracts desktop specific code into a separate class. Also adds flags for android runs (not used yet). BUG=chromium:374740 LOG=n TEST=python -m unittest run_perf_test NOTRY=true Review URL: https://codereview.chromium.org/762163002 Cr-Commit-Position: refs/heads/master@{#25576}
563 lines
18 KiB
Python
Executable File
563 lines
18 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2014 the V8 project 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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"""
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Performance runner for d8.
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Call e.g. with tools/run-perf.py --arch ia32 some_suite.json
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The suite json format is expected to be:
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{
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"path": <relative path chunks to perf resources and main file>,
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"name": <optional suite name, file name is default>,
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"archs": [<architecture name for which this suite is run>, ...],
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"binary": <name of binary to run, default "d8">,
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"flags": [<flag to d8>, ...],
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"test_flags": [<flag to the test file>, ...],
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"run_count": <how often will this suite run (optional)>,
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"run_count_XXX": <how often will this suite run for arch XXX (optional)>,
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"resources": [<js file to be moved to android device>, ...]
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"main": <main js perf runner file>,
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"results_regexp": <optional regexp>,
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"results_processor": <optional python results processor script>,
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"units": <the unit specification for the performance dashboard>,
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"tests": [
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{
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"name": <name of the trace>,
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"results_regexp": <optional more specific regexp>,
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"results_processor": <optional python results processor script>,
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"units": <the unit specification for the performance dashboard>,
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}, ...
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]
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}
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The tests field can also nest other suites in arbitrary depth. A suite
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with a "main" file is a leaf suite that can contain one more level of
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tests.
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A suite's results_regexp is expected to have one string place holder
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"%s" for the trace name. A trace's results_regexp overwrites suite
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defaults.
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A suite's results_processor may point to an optional python script. If
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specified, it is called after running the tests like this (with a path
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relatve to the suite level's path):
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<results_processor file> <same flags as for d8> <suite level name> <output>
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The <output> is a temporary file containing d8 output. The results_regexp will
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be applied to the output of this script.
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A suite without "tests" is considered a performance test itself.
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Full example (suite with one runner):
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{
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"path": ["."],
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"flags": ["--expose-gc"],
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"test_flags": ["5"],
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"archs": ["ia32", "x64"],
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"run_count": 5,
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"run_count_ia32": 3,
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"main": "run.js",
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"results_regexp": "^%s: (.+)$",
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"units": "score",
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"tests": [
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{"name": "Richards"},
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{"name": "DeltaBlue"},
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{"name": "NavierStokes",
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"results_regexp": "^NavierStokes: (.+)$"}
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]
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}
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Full example (suite with several runners):
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{
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"path": ["."],
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"flags": ["--expose-gc"],
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"archs": ["ia32", "x64"],
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"run_count": 5,
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"units": "score",
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"tests": [
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{"name": "Richards",
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"path": ["richards"],
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"main": "run.js",
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"run_count": 3,
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"results_regexp": "^Richards: (.+)$"},
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{"name": "NavierStokes",
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"path": ["navier_stokes"],
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"main": "run.js",
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"results_regexp": "^NavierStokes: (.+)$"}
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]
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}
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Path pieces are concatenated. D8 is always run with the suite's path as cwd.
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The test flags are passed to the js test file after '--'.
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"""
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from collections import OrderedDict
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import json
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import math
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import optparse
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import os
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import re
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import sys
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from testrunner.local import commands
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from testrunner.local import utils
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ARCH_GUESS = utils.DefaultArch()
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SUPPORTED_ARCHS = ["android_arm",
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"android_arm64",
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"android_ia32",
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"arm",
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"ia32",
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"mips",
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"mipsel",
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"nacl_ia32",
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"nacl_x64",
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"x64",
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"arm64"]
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GENERIC_RESULTS_RE = re.compile(r"^RESULT ([^:]+): ([^=]+)= ([^ ]+) ([^ ]*)$")
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RESULT_STDDEV_RE = re.compile(r"^\{([^\}]+)\}$")
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RESULT_LIST_RE = re.compile(r"^\[([^\]]+)\]$")
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def GeometricMean(values):
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"""Returns the geometric mean of a list of values.
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The mean is calculated using log to avoid overflow.
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"""
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values = map(float, values)
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return str(math.exp(sum(map(math.log, values)) / len(values)))
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class Results(object):
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"""Place holder for result traces."""
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def __init__(self, traces=None, errors=None):
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self.traces = traces or []
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self.errors = errors or []
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def ToDict(self):
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return {"traces": self.traces, "errors": self.errors}
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def WriteToFile(self, file_name):
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with open(file_name, "w") as f:
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f.write(json.dumps(self.ToDict()))
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def __add__(self, other):
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self.traces += other.traces
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self.errors += other.errors
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return self
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def __str__(self): # pragma: no cover
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return str(self.ToDict())
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class Node(object):
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"""Represents a node in the suite tree structure."""
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def __init__(self, *args):
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self._children = []
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def AppendChild(self, child):
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self._children.append(child)
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class DefaultSentinel(Node):
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"""Fake parent node with all default values."""
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def __init__(self):
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super(DefaultSentinel, self).__init__()
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self.binary = "d8"
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self.run_count = 10
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self.timeout = 60
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self.path = []
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self.graphs = []
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self.flags = []
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self.test_flags = []
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self.resources = []
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self.results_regexp = None
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self.stddev_regexp = None
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self.units = "score"
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self.total = False
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class Graph(Node):
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"""Represents a suite definition.
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Can either be a leaf or an inner node that provides default values.
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"""
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def __init__(self, suite, parent, arch):
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super(Graph, self).__init__()
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self._suite = suite
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assert isinstance(suite.get("path", []), list)
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assert isinstance(suite["name"], basestring)
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assert isinstance(suite.get("flags", []), list)
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assert isinstance(suite.get("test_flags", []), list)
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assert isinstance(suite.get("resources", []), list)
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# Accumulated values.
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self.path = parent.path[:] + suite.get("path", [])
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self.graphs = parent.graphs[:] + [suite["name"]]
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self.flags = parent.flags[:] + suite.get("flags", [])
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self.test_flags = parent.test_flags[:] + suite.get("test_flags", [])
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self.resources = parent.resources[:] + suite.get("resources", [])
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# Descrete values (with parent defaults).
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self.binary = suite.get("binary", parent.binary)
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self.run_count = suite.get("run_count", parent.run_count)
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self.run_count = suite.get("run_count_%s" % arch, self.run_count)
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self.timeout = suite.get("timeout", parent.timeout)
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self.units = suite.get("units", parent.units)
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self.total = suite.get("total", parent.total)
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# A regular expression for results. If the parent graph provides a
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# regexp and the current suite has none, a string place holder for the
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# suite name is expected.
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# TODO(machenbach): Currently that makes only sense for the leaf level.
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# Multiple place holders for multiple levels are not supported.
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if parent.results_regexp:
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regexp_default = parent.results_regexp % re.escape(suite["name"])
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else:
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regexp_default = None
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self.results_regexp = suite.get("results_regexp", regexp_default)
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# A similar regular expression for the standard deviation (optional).
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if parent.stddev_regexp:
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stddev_default = parent.stddev_regexp % re.escape(suite["name"])
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else:
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stddev_default = None
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self.stddev_regexp = suite.get("stddev_regexp", stddev_default)
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class Trace(Graph):
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"""Represents a leaf in the suite tree structure.
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Handles collection of measurements.
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"""
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def __init__(self, suite, parent, arch):
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super(Trace, self).__init__(suite, parent, arch)
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assert self.results_regexp
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self.results = []
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self.errors = []
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self.stddev = ""
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def ConsumeOutput(self, stdout):
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try:
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self.results.append(
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re.search(self.results_regexp, stdout, re.M).group(1))
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except:
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self.errors.append("Regexp \"%s\" didn't match for test %s."
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% (self.results_regexp, self.graphs[-1]))
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try:
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if self.stddev_regexp and self.stddev:
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self.errors.append("Test %s should only run once since a stddev "
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"is provided by the test." % self.graphs[-1])
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if self.stddev_regexp:
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self.stddev = re.search(self.stddev_regexp, stdout, re.M).group(1)
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except:
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self.errors.append("Regexp \"%s\" didn't match for test %s."
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% (self.stddev_regexp, self.graphs[-1]))
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def GetResults(self):
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return Results([{
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"graphs": self.graphs,
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"units": self.units,
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"results": self.results,
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"stddev": self.stddev,
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}], self.errors)
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class Runnable(Graph):
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"""Represents a runnable suite definition (i.e. has a main file).
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"""
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@property
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def main(self):
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return self._suite.get("main", "")
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def ChangeCWD(self, suite_path):
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"""Changes the cwd to to path defined in the current graph.
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The tests are supposed to be relative to the suite configuration.
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"""
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suite_dir = os.path.abspath(os.path.dirname(suite_path))
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bench_dir = os.path.normpath(os.path.join(*self.path))
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os.chdir(os.path.join(suite_dir, bench_dir))
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def GetCommand(self, shell_dir):
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# TODO(machenbach): This requires +.exe if run on windows.
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suffix = ["--"] + self.test_flags if self.test_flags else []
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return (
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[os.path.join(shell_dir, self.binary)] +
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self.flags +
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[self.main] +
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suffix
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)
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def Run(self, runner):
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"""Iterates over several runs and handles the output for all traces."""
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for stdout in runner():
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for trace in self._children:
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trace.ConsumeOutput(stdout)
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res = reduce(lambda r, t: r + t.GetResults(), self._children, Results())
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if not res.traces or not self.total:
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return res
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# Assume all traces have the same structure.
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if len(set(map(lambda t: len(t["results"]), res.traces))) != 1:
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res.errors.append("Not all traces have the same number of results.")
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return res
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# Calculate the geometric means for all traces. Above we made sure that
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# there is at least one trace and that the number of results is the same
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# for each trace.
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n_results = len(res.traces[0]["results"])
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total_results = [GeometricMean(t["results"][i] for t in res.traces)
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for i in range(0, n_results)]
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res.traces.append({
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"graphs": self.graphs + ["Total"],
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"units": res.traces[0]["units"],
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"results": total_results,
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"stddev": "",
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})
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return res
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class RunnableTrace(Trace, Runnable):
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"""Represents a runnable suite definition that is a leaf."""
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def __init__(self, suite, parent, arch):
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super(RunnableTrace, self).__init__(suite, parent, arch)
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def Run(self, runner):
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"""Iterates over several runs and handles the output."""
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for stdout in runner():
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self.ConsumeOutput(stdout)
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return self.GetResults()
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class RunnableGeneric(Runnable):
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"""Represents a runnable suite definition with generic traces."""
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def __init__(self, suite, parent, arch):
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super(RunnableGeneric, self).__init__(suite, parent, arch)
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def Run(self, runner):
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"""Iterates over several runs and handles the output."""
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traces = OrderedDict()
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for stdout in runner():
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for line in stdout.strip().splitlines():
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match = GENERIC_RESULTS_RE.match(line)
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if match:
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stddev = ""
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graph = match.group(1)
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trace = match.group(2)
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body = match.group(3)
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units = match.group(4)
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match_stddev = RESULT_STDDEV_RE.match(body)
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match_list = RESULT_LIST_RE.match(body)
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if match_stddev:
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result, stddev = map(str.strip, match_stddev.group(1).split(","))
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results = [result]
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elif match_list:
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results = map(str.strip, match_list.group(1).split(","))
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else:
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results = [body.strip()]
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trace_result = traces.setdefault(trace, Results([{
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"graphs": self.graphs + [graph, trace],
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"units": (units or self.units).strip(),
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"results": [],
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"stddev": "",
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}], []))
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trace_result.traces[0]["results"].extend(results)
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trace_result.traces[0]["stddev"] = stddev
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return reduce(lambda r, t: r + t, traces.itervalues(), Results())
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def MakeGraph(suite, arch, parent):
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"""Factory method for making graph objects."""
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if isinstance(parent, Runnable):
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# Below a runnable can only be traces.
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return Trace(suite, parent, arch)
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elif suite.get("main"):
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# A main file makes this graph runnable.
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if suite.get("tests"):
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# This graph has subgraphs (traces).
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return Runnable(suite, parent, arch)
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else:
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# This graph has no subgraphs, it's a leaf.
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return RunnableTrace(suite, parent, arch)
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elif suite.get("generic"):
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# This is a generic suite definition. It is either a runnable executable
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# or has a main js file.
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return RunnableGeneric(suite, parent, arch)
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elif suite.get("tests"):
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# This is neither a leaf nor a runnable.
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return Graph(suite, parent, arch)
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else: # pragma: no cover
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raise Exception("Invalid suite configuration.")
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def BuildGraphs(suite, arch, parent=None):
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"""Builds a tree structure of graph objects that corresponds to the suite
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configuration.
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"""
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parent = parent or DefaultSentinel()
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# TODO(machenbach): Implement notion of cpu type?
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if arch not in suite.get("archs", ["ia32", "x64"]):
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return None
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graph = MakeGraph(suite, arch, parent)
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for subsuite in suite.get("tests", []):
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BuildGraphs(subsuite, arch, graph)
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parent.AppendChild(graph)
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return graph
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def FlattenRunnables(node):
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"""Generator that traverses the tree structure and iterates over all
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runnables.
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"""
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if isinstance(node, Runnable):
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yield node
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elif isinstance(node, Node):
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for child in node._children:
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for result in FlattenRunnables(child):
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yield result
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else: # pragma: no cover
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raise Exception("Invalid suite configuration.")
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class Platform(object):
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@staticmethod
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def GetPlatform(options):
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if options.arch.startswith("android"):
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return AndroidPlatform(options)
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else:
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return DesktopPlatform(options)
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class DesktopPlatform(Platform):
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def __init__(self, options):
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workspace = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
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if options.buildbot:
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self.shell_dir = os.path.join(workspace, options.outdir, "Release")
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else:
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self.shell_dir = os.path.join(workspace, options.outdir,
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"%s.release" % options.arch)
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def PrepareExecution(self):
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pass
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def PrepareTests(self, runnable, path):
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runnable.ChangeCWD(path)
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def Run(self, runnable, count):
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output = commands.Execute(runnable.GetCommand(self.shell_dir),
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timeout=runnable.timeout)
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print ">>> Stdout (#%d):" % (count + 1)
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print output.stdout
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if output.stderr: # pragma: no cover
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# Print stderr for debugging.
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print ">>> Stderr (#%d):" % (count + 1)
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print output.stderr
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if output.timed_out:
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print ">>> Test timed out after %ss." % runnable.timeout
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return output.stdout
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# TODO(machenbach): Implement android platform.
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class AndroidPlatform(Platform):
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def __init__(self, options):
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pass
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# TODO: Implement results_processor.
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def Main(args):
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parser = optparse.OptionParser()
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parser.add_option("--android-build-tools",
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help="Path to chromium's build/android.")
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parser.add_option("--arch",
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help=("The architecture to run tests for, "
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"'auto' or 'native' for auto-detect"),
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default="x64")
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parser.add_option("--buildbot",
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help="Adapt to path structure used on buildbots",
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default=False, action="store_true")
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parser.add_option("--device",
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help="The device ID to run Android tests on. If not given "
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"it will be autodetected.")
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parser.add_option("--json-test-results",
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help="Path to a file for storing json results.")
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parser.add_option("--outdir", help="Base directory with compile output",
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default="out")
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(options, args) = parser.parse_args(args)
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if len(args) == 0: # pragma: no cover
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parser.print_help()
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return 1
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if options.arch in ["auto", "native"]: # pragma: no cover
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options.arch = ARCH_GUESS
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if not options.arch in SUPPORTED_ARCHS: # pragma: no cover
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print "Unknown architecture %s" % options.arch
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return 1
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if (bool(options.arch.startswith("android")) !=
|
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bool(options.android_build_tools)): # pragma: no cover
|
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print ("Android architectures imply setting --android-build-tools and the "
|
|
"other way around.")
|
|
return 1
|
|
|
|
if (options.device and not
|
|
options.arch.startswith("android")): # pragma: no cover
|
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print "Specifying a device requires an Android architecture to be used."
|
|
return 1
|
|
|
|
platform = Platform.GetPlatform(options)
|
|
platform.PrepareExecution()
|
|
|
|
results = Results()
|
|
for path in args:
|
|
path = os.path.abspath(path)
|
|
|
|
if not os.path.exists(path): # pragma: no cover
|
|
results.errors.append("Configuration file %s does not exist." % path)
|
|
continue
|
|
|
|
with open(path) as f:
|
|
suite = json.loads(f.read())
|
|
|
|
# If no name is given, default to the file name without .json.
|
|
suite.setdefault("name", os.path.splitext(os.path.basename(path))[0])
|
|
|
|
for runnable in FlattenRunnables(BuildGraphs(suite, options.arch)):
|
|
print ">>> Running suite: %s" % "/".join(runnable.graphs)
|
|
platform.PrepareTests(runnable, path)
|
|
|
|
def Runner():
|
|
"""Output generator that reruns several times."""
|
|
for i in xrange(0, max(1, runnable.run_count)):
|
|
# TODO(machenbach): Allow timeout per arch like with run_count per
|
|
# arch.
|
|
yield platform.Run(runnable, i)
|
|
|
|
# Let runnable iterate over all runs and handle output.
|
|
results += runnable.Run(Runner)
|
|
|
|
if options.json_test_results:
|
|
results.WriteToFile(options.json_test_results)
|
|
else: # pragma: no cover
|
|
print results
|
|
|
|
return min(1, len(results.errors))
|
|
|
|
if __name__ == "__main__": # pragma: no cover
|
|
sys.exit(Main(sys.argv[1:]))
|