synapse-old/synmark/__main__.py

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# 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
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from argparse import REMAINDER, Namespace
from contextlib import redirect_stderr
from io import StringIO
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from typing import Any, Callable, Coroutine, List, TypeVar
import pyperf
from twisted.internet.defer import Deferred, ensureDeferred
from twisted.logger import globalLogBeginner, textFileLogObserver
from twisted.python.failure import Failure
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from synapse.types import ISynapseReactor
from synmark import make_reactor
from synmark.suites import SUITES
from tests.utils import setupdb
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T = TypeVar("T")
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def make_test(
main: Callable[[ISynapseReactor, int], Coroutine[Any, Any, float]]
) -> Callable[[int], float]:
"""
Take a benchmark function and wrap it in a reactor start and stop.
"""
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def _main(loops: int) -> float:
reactor = make_reactor()
file_out = StringIO()
with redirect_stderr(file_out):
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d: "Deferred[float]" = Deferred()
d.addCallback(lambda _: ensureDeferred(main(reactor, loops)))
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def on_done(res: T) -> T:
if isinstance(res, Failure):
res.printTraceback()
print(file_out.getvalue())
reactor.stop()
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return res
d.addBoth(on_done)
reactor.callWhenRunning(lambda: d.callback(True))
reactor.run()
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# mypy thinks this is an object for some reason.
return d.result # type: ignore[return-value]
return _main
if __name__ == "__main__":
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def add_cmdline_args(cmd: List[str], args: Namespace) -> None:
if args.log:
cmd.extend(["--log"])
cmd.extend(args.tests)
runner = pyperf.Runner(
processes=3, min_time=1.5, show_name=True, add_cmdline_args=add_cmdline_args
)
runner.argparser.add_argument("--log", action="store_true")
runner.argparser.add_argument("tests", nargs=REMAINDER)
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()
if runner.args.tests:
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existing_suites = {s.__name__.split(".")[-1] for s, _ in SUITES}
for test in runner.args.tests:
if test not in existing_suites:
print(f"Test suite {test} does not exist.")
exit(-1)
suites = list(
filter(lambda t: t[0].__name__.split(".")[-1] in runner.args.tests, SUITES)
)
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else:
suites = SUITES
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for suite, loops in suites:
if loops:
runner.args.loops = loops
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loops_desc = str(loops)
else:
runner.args.loops = orig_loops
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loops_desc = "auto"
runner.bench_time_func(
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suite.__name__ + "_" + loops_desc,
make_test(suite.main),
)