diff --git a/synmark/__main__.py b/synmark/__main__.py
new file mode 100644
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--- /dev/null
+++ b/synmark/__main__.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+from contextlib import redirect_stderr
+from io import StringIO
+
+import pyperf
+from synmark import make_reactor
+from synmark.suites import SUITES
+
+from twisted.internet.defer import ensureDeferred
+from twisted.logger import globalLogBeginner, textFileLogObserver
+from twisted.python.failure import Failure
+
+from tests.utils import setupdb
+
+
+def make_test(main):
+ """
+ Take a benchmark function and wrap it in a reactor start and stop.
+ """
+
+ def _main(loops):
+
+ reactor = make_reactor()
+
+ file_out = StringIO()
+ with redirect_stderr(file_out):
+
+ d = ensureDeferred(main(reactor, loops))
+
+ def on_done(_):
+ if isinstance(_, Failure):
+ _.printTraceback()
+ print(file_out.getvalue())
+ reactor.stop()
+ return _
+
+ d.addBoth(on_done)
+ reactor.run()
+
+ return d.result
+
+ return _main
+
+
+if __name__ == "__main__":
+
+ def add_cmdline_args(cmd, args):
+ if args.log:
+ cmd.extend(["--log"])
+
+ runner = pyperf.Runner(
+ processes=3, min_time=2, show_name=True, add_cmdline_args=add_cmdline_args
+ )
+ runner.argparser.add_argument("--log", action="store_true")
+ runner.parse_args()
+
+ orig_loops = runner.args.loops
+ runner.args.inherit_environ = ["SYNAPSE_POSTGRES"]
+
+ if runner.args.worker:
+ if runner.args.log:
+ globalLogBeginner.beginLoggingTo(
+ [textFileLogObserver(sys.__stdout__)], redirectStandardIO=False
+ )
+ setupdb()
+
+ for suite, loops in SUITES:
+ if loops:
+ runner.args.loops = loops
+ else:
+ runner.args.loops = orig_loops
+ loops = "auto"
+ runner.bench_time_func(
+ suite.__name__ + "_" + str(loops), make_test(suite.main),
+ )
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