Keil™, An ARM® Company

µVision® IDE & Debugger

This feature works with...
ARMC166C251C51Eval

Code Coverage

Debug Window with Code Coverage Code coverage marks code that has been executed. Code coverage helps to ensure you have thoroughly tested your application and helps you tune your testing strategy.

No Code Lines with no code are marked with a grey checked block.

Unexecuted Code Unexecuted lines (instructions) are marked with a grey block.

Executed Code Fully-executed lines (instructions) are marked with a green block.

Taken Branches Branches that have been taken are marked with a blue block.

Skipped Branches Branches that have been skipped are marked with an orange block.

Next Line to Execute The next line to execute is marked with a yellow arrow.

Code Coverage Button The Code Coverage button on the toolbar toggles display of the Code Coverage dialog which shows you the percentage of instructions in your program that have executed.

Code Coverage Dialog

Output Window Command Line You may save and restore coverage statistics for multiple debug sessions using the command line in the Output Window.