Debug

During a debug session, the debugger interferes with your program execution and provides you with the information on what’s happening under the hood. Watch this video to learn the fundamentals of debugging in CLion:

General debugging procedure

Configure the debugger settings.
For a CMake project, select the desired CMake profile.
If necessary, create or modify an existing run/debug configuration.
Place breakpoints in your code.
Click the Debug <configuration_name> button or use other options to start a debug session.

After you've started a debug session, the icon that marks the Debug tool window toggles to to indicate that the debug process is active.

Useful debugger shortcuts

Action	Hotkey
Toggle breakpoint	`Ctrl+F8`
Resume program	`F9`
Step over	`F8`
Step into	`F7`
Stop	`Ctrl+F2`
View breakpoint details/all breakpoints	`Ctrl+Shift+F8`
Debug code at caret	`Shift+F9` (within the `main` method), or `Alt+Shift+F9`

Last modified: 03 December 2024