# Sandbox.UI.RootPanel.RenderStatistics.CpuTime

```csharp
System.TimeSpan CpuTime { get; set; }
```

Sum of the latest preparation timings and the last render's submission time.
Excludes panel ticks, input handling, presentation and time waiting between stages.

Declared in [Sandbox.UI.RootPanel.RenderStatistics](/api/Sandbox.UI.RootPanel.RenderStatistics).
Assembly: `Sandbox.Engine`.