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Execution time (Threads View)

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Applies to: yesVisual Studio noVisual Studio for Mac

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This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

These segments in the Threads View timeline represent execution time, when the thread is actively doing work on a logical core in the system.

Changes in thread status are detected through kernel context switch events. Event Tracing for Windows (ETW) captures sample stacks every millisecond. In a very short green segment, it is possible that no sample is taken. Therefore, some short execution segments may show no call stack.

When you click an execution segment, the Concurrency Visualizer displays the sample stack closest to the location of the click. The location of that sample stack is shown by a black arrow, or caret, above the timeline and the sample stack appears on the Current tab.

To see a traditional sampling profile for all execution segments in the current view, click Execution in the Visible Timeline Profile.

See also