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Add an rr chaos mode

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This commit is contained in:
Matt Brubeck 2016-02-11 09:55:45 -08:00
parent d11a70f53a
commit 7c740d395b
1 changed files with 7 additions and 0 deletions
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7
python/servo/testing_commands.py
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@ -41,6 +41,8 @@ def create_parser_wpt():
parser = wptcommandline.create_parser()
parser.add_argument('--release', default=False, action="store_true",
help="Run with a release build of servo")
parser.add_argument('--chaos', default=False, action="store_true",
help="Run under chaos mode in rr until a failure is captured")
return parser
@ -344,6 +346,11 @@ class MachCommands(CommandBase):
def wptrunner(self, run_file, **kwargs):
os.environ["RUST_BACKTRACE"] = "1"
kwargs["debug"] = not kwargs["release"]
if kwargs.pop("chaos"):
kwargs["debugger"] = "rr"
kwargs["debugger_args"] = "record --chaos"
kwargs["repeat_until_unexpected"] = True
# TODO: Delete rr traces from green test runs?
run_globals = {"__file__": run_file}
execfile(run_file, run_globals)