Debug Output

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To be able to analyze debug output, you should select Collect debug output in the advanced profiling session options.

When Debug Output is selected in the Events filter, Timeline Viewer shows only point events where your application writes to the debug output, e.g. with the Debug.Write system method (in fact, dotTrace tracks all calls of the system function OutputDebugString). Thus, Call Tree will contain only methods that write to the output.

Use the Debug Output event for advanced debugging.

Debug Output: String

The sub-filter is used to filter out point events where certain messages were sent to the debug output.

To apply the Debug Output: String filter

• Select the desired messages in the filter.

After you select a string, other filters will show only the point events where the selected message was sent to the output. For example, Methods and Subsystems in the Call Stack window will show the list of methods that sent such messages.