Robert Nystrom
e4c8b49dcc
Change-Id: I1362ada67a02b0ed352612fc29c727e94d8cd254 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394901 Commit-Queue: Daco Harkes <dacoharkes@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com>
39 lines
1.0 KiB
Dart
39 lines
1.0 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart=2.9
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import 'dart:isolate';
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import 'json_benchmark.dart';
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import 'latency.dart';
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Future<void> main() async {
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// Start GC pressure from helper isolate.
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final exitPort = ReceivePort();
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final exitFuture = exitPort.first;
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final isolate = await Isolate.spawn(run, null, onExit: exitPort.sendPort);
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// Measure event loop latency.
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const tickDuration = Duration(milliseconds: 1);
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const numberOfTicks = 8 * 1000; // min 8 seconds.
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final EventLoopLatencyStats stats = await measureEventLoopLatency(
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tickDuration,
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numberOfTicks,
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);
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// Kill isolate & wait until it's dead.
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isolate.kill(priority: Isolate.immediate);
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await exitFuture;
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// Report event loop latency statistics.
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stats.report('EventLoopLatencyJson');
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}
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void run(dynamic msg) {
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while (true) {
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JsonRoundTripBenchmark().run();
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}
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}
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