026ef7237d
This replaces the "trusted" with the "jitless" correctness-fuzzing experiment. The former is a no-op already. NOTRY=true Bug: v8:8778 Change-Id: Ie9b490df27071980b2049148844b8f716bbbb1f7 Reviewed-on: https://chromium-review.googlesource.com/c/1450120 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#59313}
45 lines
1.5 KiB
Python
45 lines
1.5 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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[10, 'ignition', 'jitless', '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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