apiVersion: release-notes/v2
kind: feature
area: telemetry
issue:
  - 50808
releaseNotes:
  - |

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  profile: empty
  values:
    global:
      proxy:
        tracer: none
  components:
    pilot:

					c.Tracing = &meshconfig.Tracing{
						Tracer: &meshconfig.Tracing_Zipkin_{
							Zipkin: &meshconfig.Tracing_Zipkin{
								Address: "$(HOST_IP):9411",
							},
						},
					}
				},
			),
			isValid: true,
		},
		{
			name: "zipkin config invalid",
			in: modify(valid,
				func(c *meshconfig.ProxyConfig) {
					c.Tracing = &meshconfig.Tracing{
						Tracer: &meshconfig.Tracing_Zipkin_{

	}

	if tracer := config.GetTracing().GetLightstep(); tracer != nil {
		if err := ValidateLightstepCollector(tracer); err != nil {
			errs = multierror.Append(errs, multierror.Prefix(err, "invalid lightstep config:"))
		}
	}

	if tracer := config.GetTracing().GetZipkin(); tracer != nil {
		if err := ValidateZipkinCollector(tracer); err != nil {

			case jentry:
				transitionLogIf(es.ctx, deleteObjectFromRemoteTier(es.ctx, v.ObjName, v.VersionID, v.TierName))
			case freeVersionTask:
				oi := v.ObjectInfo
				traceFn := globalLifecycleSys.trace(oi)
				if !oi.TransitionedObject.FreeVersion {
					// nothing to be done
					return
				}

				ignoreNotFoundErr := func(err error) error {
					switch {

              }
            ]
          }
        ]
      }
    ]
  }
  ,
  "tracing": {
    "http": {
      "name": "envoy.tracers.opencensus",
      "typed_config": {
        "@type": "type.googleapis.com/envoy.config.trace.v3.OpenCensusConfig",
        "ocagent_exporter_enabled": true,
        "ocagent_address": "dns://my-oca/endpoint",
        "incoming_trace_context": ["TRACE_CONTEXT"],

John Howard <******@****.***> 1682564684 -0700

func Trace(op, path string) {
	if !doTrace {
		return
	}
	traceMu.Lock()
	defer traceMu.Unlock()
	fmt.Fprintf(traceFile, "%d gofsystrace %s %s\n", os.Getpid(), op, path)
	if pattern := gofsystracestack.Value(); pattern != "" {
		if match, _ := pathpkg.Match(pattern, path); match {
			traceFile.Write(debug.Stack())
		}
	}
}

var (
	doTrace   bool
	traceFile *os.File
	traceMu   sync.Mutex

				time.Sleep(5 * time.Second)
			}
		}
	}()
}

// Trace - send http trace request to peer nodes
func (client *peerRESTClient) Trace(ctx context.Context, traceCh chan<- []byte, traceOpts madmin.ServiceTraceOpts) {
	go func() {
		for {
			// Blocks until context is canceled or an error occurs.
			client.doTrace(ctx, traceCh, traceOpts)
			select {
			case <-ctx.Done():
				return
			default:

	func() {
		// Create a region in the execution trace. Set and clear goroutine
		// labels fully within that region, so we know that any CPU profile
		// sample with the label must also be eligible for inclusion in the
		// execution trace.
		ctx := context.Background()
		defer trace.StartRegion(ctx, "cpuHogger").End()
		pprof.Do(ctx, pprof.Labels("tracing", "on"), func(ctx context.Context) {
			cpuHogger(cpuHog1, &salt1, dur)
		})