blob: ff187a245c02ea842721f2432f492b9638a43658 [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart=2.9
import 'dart:isolate';
import 'json_benchmark.dart';
import 'latency.dart';
main() async {
// Start GC pressure from helper isolate.
final exitPort = ReceivePort();
final exitFuture = exitPort.first;
final isolate = await Isolate.spawn(run, null, onExit: exitPort.sendPort);
// Measure event loop latency.
const tickDuration = const Duration(milliseconds: 1);
const numberOfTicks = 8 * 1000; // min 8 seconds.
final EventLoopLatencyStats stats =
await measureEventLoopLatency(tickDuration, numberOfTicks);
// Kill isolate & wait until it's dead.
isolate.kill(priority: Isolate.immediate);
await exitFuture;
// Report event loop latency statistics.
stats.report('EventLoopLatencyJson');
}
void run(dynamic msg) {
while (true) {
JsonRoundTripBenchmark().run();
}
}