if len(ps.subs) != 2 {
		t.Fatalf("expected 2 subscribers")
	}
	if want, got := int32(2), ps.NumSubscribers(Mask(1)); got != want {
		t.Fatalf("want %d subscribers, got %d", want, got)
	}
	if want, got := int32(2), ps.NumSubscribers(Mask(2)); got != want {
		t.Fatalf("want %d subscribers, got %d", want, got)
	}
	if want, got := int32(2), ps.NumSubscribers(Mask(1|2)); got != want {
		t.Fatalf("want %d subscribers, got %d", want, got)
	}

	// remove sensitive encryption entries in metadata.
	crypto.RemoveSensitiveEntries(args.Object.UserDefined)
	crypto.RemoveInternalEntries(args.Object.UserDefined)

	if globalHTTPListen.NumSubscribers(pubsub.MaskFromMaskable(args.EventName)) > 0 {
		globalHTTPListen.Publish(args.ToEvent(false))
	}

	globalEventNotifier.Send(args)

}

const (
	httpScheme  = "http://"
	httpsScheme = "https://"
)

func (c *muxClient) traceRoundtrip(ctx context.Context, t *tracer, h HandlerID, req []byte) ([]byte, error) {
	if t == nil || t.Publisher.NumSubscribers(t.TraceType) == 0 {
		return c.roundtrip(h, req)
	}

	// Following trimming is needed for consistency between outputs with other internode traces.

	return func(info objTraceInfoer, err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceBatch) > 0 {
			globalTrace.Publish(batchJobTrace(d, job, startTime, duration, info, attempts, err))
			return
		}
		switch d {
		case batchJobMetricReplication:
			if globalTrace.NumSubscribers(madmin.TraceBatchReplication) > 0 {

		}

		r = r.WithContext(context.WithValue(r.Context(), mcontext.ContextTraceKey, &tc))

		reqStartTime := time.Now().UTC()
		h.ServeHTTP(respRecorder, r)
		reqEndTime := time.Now().UTC()

		if globalTrace.NumSubscribers(madmin.TraceS3|madmin.TraceInternal) == 0 {
			// no subscribers nothing to trace.
			return
		}

		tt := madmin.TraceInternal
		if strings.HasPrefix(tc.FuncName, "s3.") {
			tt = madmin.TraceS3
		}

	storageDisks := er.getDisks()
	storageEndpoints := er.getEndpoints()

	defer func() {
		er.auditHealObject(ctx, bucket, object, versionID, result, err)
	}()

	if globalTrace.NumSubscribers(madmin.TraceHealing) > 0 {
		startTime := time.Now()
		defer func() {
			healTrace(healingMetricObject, startTime, bucket, object, &opts, err, &result)
		}()
	}

	// Initialize heal result object

	}
	globalBootstrapTracer.Record(info)

	if serverDebugLog {
		fmt.Println(time.Now().Round(time.Millisecond).Format(time.RFC3339), " bootstrap: ", msg)
	}

	noSubs := globalTrace.NumSubscribers(madmin.TraceBootstrap) == 0
	if noSubs {
		return
	}

	globalTrace.Publish(info)
}

func bootstrapTrace(msg string, worker func()) {
	if serverDebugLog {

	}
}

// Update storage metrics
func (p *xlStorageDiskIDCheck) updateStorageMetrics(s storageMetric, paths ...string) func(sz int64, err *error) {
	startTime := time.Now()
	trace := globalTrace.NumSubscribers(madmin.TraceStorage) > 0
	return func(sz int64, errp *error) {
		duration := time.Since(startTime)

		var err error
		if errp != nil && *errp != nil {
			err = *errp
		}

func (p *rebalanceMetrics) log(r rebalanceMetric, poolIdx int, paths ...string) func(sz int64, err error) {
	startTime := time.Now()
	return func(sz int64, err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceRebalance) > 0 {
			globalTrace.Publish(rebalanceTrace(r, poolIdx, startTime, duration, err, strings.Join(paths, " "), sz))
		}
	}

	startTime := time.Now()
	return func(event string, metadata map[string]string, err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceILM) > 0 {
			e := ""
			if err != nil {
				e = err.Error()
			}
			globalTrace.Publish(ilmTrace(startTime, duration, oi, event, metadata, e))
		}
	}
}

type expiryTask struct {