var hostErrs []NotificationPeerErr
	for _, profiler := range profiles {
		hostErrs = append(hostErrs, globalNotificationSys.StartProfiling(ctx, profiler)...)

		// Start profiling locally as well.
		prof, err := startProfiler(profiler)
		if err != nil {
			hostErrs = append(hostErrs, NotificationPeerErr{
				Host: *thisAddr,
				Err:  err,
			})
		} else {
			globalProfiler[profiler] = prof