ResourceLeakDetectorRecordBenchmark Class — netty Architecture

Source Code

microbench/src/main/java/io/netty/microbench/util/ResourceLeakDetectorRecordBenchmark.java lines 27–86

public class ResourceLeakDetectorRecordBenchmark extends AbstractMicrobenchmark {
    private static final Object TRACKED = new Object();
    private static final ResourceLeakHint HINT = new ResourceLeakHint() {
        @Override
        public String toHintString() {
            return "BenchmarkHint";
        }
    };

    @Param({ "8", "16" })
    private int recordTimes;
    private ResourceLeakDetector.Level level;

    ResourceLeakDetector<Object> detector = new ResourceLeakDetector<Object>(
            Object.class, 1, Integer.MAX_VALUE) {
        @Override
        protected void reportTracedLeak(String resourceType, String records) {
            // noop
        }

        @Override
        protected void reportUntracedLeak(String resourceType) {
            // noop
        }

        @Override
        protected void reportInstancesLeak(String resourceType) {
            // noop
        }
    };

    @Setup(Level.Trial)
    public void setup() {
        level = ResourceLeakDetector.getLevel();
        ResourceLeakDetector.setLevel(ResourceLeakDetector.Level.PARANOID);
    }

    @TearDown(Level.Trial)
    public void teardown() {
        ResourceLeakDetector.setLevel(level);
    }

    @Benchmark
    public boolean record() {
        ResourceLeakTracker<Object> tracker = detector.track(TRACKED);
        for (int i = 0 ; i < recordTimes; i++) {
            tracker.record();
        }
        return tracker.close(TRACKED);
    }

    @Benchmark
    public boolean recordWithHint() {
        ResourceLeakTracker<Object> tracker = detector.track(TRACKED);
        for (int i = 0 ; i < recordTimes; i++) {
            tracker.record(HINT);
        }
        return tracker.close(TRACKED);
    }
}