JfrBenchmark Class — netty Architecture

Source Code

microbench/src/main/java/io/netty/util/JfrBenchmark.java lines 35–80

@SuppressWarnings("Since15")
@Fork(1)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Measurement(time = 10, timeUnit = TimeUnit.SECONDS)
public class JfrBenchmark extends AbstractMicrobenchmark {
    @Param({"true", "false"})
    boolean enabled;

    private RecordingStream stream;

    @Override
    protected ChainedOptionsBuilder newOptionsBuilder() throws Exception {
        return super.newOptionsBuilder()
                .addProfiler(GCProfiler.class);
    }

    @Setup
    public void setup() {
        stream = new RecordingStream();
        if (enabled) {
            stream.enable(NettyEvent.class.getName());
        } else {
            stream.disable(NettyEvent.class.getName());
        }
        stream.startAsync();
    }

    @TearDown
    public void teardown() {
        stream.close();
    }

    @Benchmark
    public void nettyEvent() {
        NettyEvent event = new NettyEvent();
        event.begin();
        event.end();
        event.foo = "bar";
        event.commit();
    }

    static final class NettyEvent extends Event {
        String foo;
    }
}