@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Benchmark)
@SuppressWarnings("unused") // invoked by benchmarking framework
public class MemoryStatsBenchmark {
    private static final MemoryMXBean MEMORY_MX_BEAN = ManagementFactory.getMemoryMXBean();

    @Param({ "0", "16", "256", "4096" })
    private int tokens;

    @Benchmark
    public void baseline() {
        Blackhole.consumeCPU(tokens);
    }

    @Benchmark
    @Threads(1)