From 7c740d395bc731f4bd2822a0876da3a4000008ab Mon Sep 17 00:00:00 2001 From: Matt Brubeck Date: Thu, 11 Feb 2016 09:55:45 -0800 Subject: [PATCH] Add an rr chaos mode --- python/servo/testing_commands.py | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py index bd2b61cc21a..5e55ca18925 100644 --- a/python/servo/testing_commands.py +++ b/python/servo/testing_commands.py @@ -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)