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10 Logbook

The logbook automatically generates a log of your interaction with Arm DDT, for example, setting a breakpoint or playing the program. For each stop of the program, the reason and location is recorded together with the parallel stacks and local variables for one process.

Tracepoint values and output are logged as well.

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Figure 75: Logbook example of a debug session

The user can export the current logbook as HTML or compare it to a previously exported one.

This enables comparative debugging and repeatability. It is always clear how a certain situation in the debugger was caused as the previous steps are visible.

10.1 Usage

The logbook is always on and does not require any additional configuration. The Logbook tab is located at the bottom of the main window beside the Tracepoint Output tab.

To export the logbook click the disk icon on the right-hand side of the Logbook View and specify a filename. Open previously saved logbooks from the Tools menu.

10.2 Annotation

Add annotations to the logbook using either the pencil icon on the right-hand side of the logbook tab or by right-clicking the logbook and choosing Add annotation.

10.3 Comparison window

Two logbooks can be compared side by side with the Logbook Files Comparison window. To run a comparison, click the 'compare' icon on the right-hand side of the Logbook View. Compare the current logbook with another logbook file, or choose two different files to compare.

To easily find differences, align both logbook files to corresponding entries and choose the Lock icon. This fixes the vertical and horizontal scrollbars of the logbooks so that they scroll together.

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Figure 76: Logbook comparison window with tracepoint difference selected
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