# ServerLifecycleManager

Artifact: [androidx.benchmark:benchmark-traceprocessor](https://developer.android.com/jetpack/androidx/releases/benchmark) [View Source](https://cs.android.com/search?q=file:androidx/benchmark/traceprocessor/ServerLifecycleManager.kt+class:androidx.benchmark.traceprocessor.ServerLifecycleManager) Added in [1.4.0](https://developer.android.com/jetpack/androidx/releases/benchmark#1.4.0)

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```
@ExperimentalTraceProcessorApi
public interface ServerLifecycleManager
```

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## Summary

| ### Public methods |
|---|---|
| `abstract int` | `https://developer.android.com/reference/androidx/benchmark/traceprocessor/ServerLifecycleManager#start()()` Called to Start an instance of Trace Processor |
| `abstract void` | `https://developer.android.com/reference/androidx/benchmark/traceprocessor/ServerLifecycleManager#stop()()` Called to stop the running instance of Trace Processor. |
| `default @https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/benchmark/traceprocessor/ServerLifecycleManager#timeoutMessage()()` Called to construct a more detailed failure message when `https://developer.android.com/reference/androidx/benchmark/traceprocessor/TraceProcessor` cannot be connected to. |

## Public methods

### start

Added in [1.4.0](https://developer.android.com/jetpack/androidx/releases/benchmark#1.4.0)

```
abstract int start()
```

Called to Start an instance of Trace Processor

| Returns |
|---|---|
| `int` | the port to use to communicate to Trace Processor |

### stop

Added in [1.4.0](https://developer.android.com/jetpack/androidx/releases/benchmark#1.4.0)

```
abstract void stop()
```

Called to stop the running instance of Trace Processor.

### timeoutMessage

Added in [1.4.0](https://developer.android.com/jetpack/androidx/releases/benchmark#1.4.0)

```
default @NonNull String timeoutMessage()
```

Called to construct a more detailed failure message when `https://developer.android.com/reference/androidx/benchmark/traceprocessor/TraceProcessor` cannot be connected to.