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c4027afb95
Change-Id: Ida65d264d83147a85b4ac0c1b8ef3f157f4d3247 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/162541 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
35 lines
1 KiB
Dart
35 lines
1 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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import 'dart:isolate';
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import 'json_benchmark.dart';
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import 'latency.dart';
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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 = const Duration(milliseconds: 1);
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const numberOfTicks = 8 * 1000; // min 8 seconds.
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final EventLoopLatencyStats stats =
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await measureEventLoopLatency(tickDuration, numberOfTicks);
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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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