@Benchmark
    @Group("ring")
    @GroupThreads(1)
    public void loop(Control ctl, Link l) {
        l.link();
    }
@param ctl required here to make the benchmark generate code correctly(JMH 0.2 issue, fixed on main)
jctools-benchmarks/src/main/java/org/jctools/jmh/latency/spsc/RingCqBurstRoundTripWithGroups.java