mappedType = go122.EvProcStart
			mappedArgs = timedEventArgs{uint64(ev.P)}
		} else {
			it.seenProcs[ProcID(ev.P)] = struct{}{}
			mappedType = go122.EvProcStatus
			mappedArgs = timedEventArgs{uint64(ev.P), uint64(go122.ProcRunning)}
		}
	case oldtrace.EvProcStop:
		if _, ok := it.seenProcs[ProcID(ev.P)]; ok {
			mappedType = go122.EvProcStop
			mappedArgs = timedEventArgs{uint64(ev.P)}
		} else {