0fae93f401
Before, configurations were chosen on clusterfuzz side. This migrates the choice to the V8 repo, to enable easier changing it and to allow sharing it between different fuzzers. NOTRY=true TBR=sergiyb@chromium.org Bug: chromium:813833 Change-Id: I9890a36fd6aab171d3e13172fc55b274f189e532 Reviewed-on: https://chromium-review.googlesource.com/927681 Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#51410}
46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# Copyright 2018 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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import random
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# List of configuration experiments for correctness fuzzing.
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# List of <probability>, <1st config name>, <2nd config name>, <2nd d8>.
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# Probabilities must add up to 100.
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FOOZZIE_EXPERIMENTS = [
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[5, 'ignition', 'ignition_asm', 'd8'],
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[5, 'ignition', 'trusted', 'd8'],
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[5, 'ignition', 'trusted_opt', 'd8'],
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[10, 'ignition', 'slow_path', 'd8'],
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[5, 'ignition', 'slow_path_opt', 'd8'],
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[25, 'ignition', 'ignition_turbo', 'd8'],
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[20, 'ignition', 'ignition_turbo_opt', 'd8'],
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[5, 'ignition_turbo_opt', 'ignition_turbo_opt', 'clang_x86/d8'],
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[5, 'ignition_turbo', 'ignition_turbo', 'clang_x86/d8'],
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[5, 'ignition', 'ignition', 'clang_x86/d8'],
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[5, 'ignition', 'ignition', 'clang_x64_v8_arm64/d8'],
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[5, 'ignition', 'ignition', 'clang_x86_v8_arm/d8'],
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]
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class Config(object):
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def __init__(self, name, rng=None):
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self.name = name
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self.rng = rng or random.Random()
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def choose_foozzie_flags(self):
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"""Randomly chooses a configuration from FOOZZIE_EXPERIMENTS.
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Returns: List of flags to pass to v8_foozzie.py fuzz harness.
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"""
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acc = 0
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threshold = self.rng.random() * 100
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for prob, first_config, second_config, second_d8 in FOOZZIE_EXPERIMENTS:
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acc += prob
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if acc > threshold:
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return [
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'--first-config=' + first_config,
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'--second-config=' + second_config,
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'--second-d8=' + second_d8,
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]
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assert False
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