Instrumentation.java

import org.jinspired.probes.Probes;

private static final Probes.Name NAME = Probes.name(C.class).name("m").name("b");

private void m() {
  // ...
  b: { 
    Probes.Probe p = Probes.begin(NAME);
    try {
      // the code execution metered
    } finally {
      p.end();
    }
  }
  // ...
}