Analyzing Loops

1. Collect data and open the result.
2. Select the required filtering level from the Loop Mode drop-down menu on the Filter toolbar.

   Use This	To Do This
   Loops only	Display loops as regular nodes in the tree. Loop name consists of: start address of the loop number of the code line where this loop is created name of the function where this loop is created
   Loops and functions	Display both loops and functions as separate nodes.
   Functions only	Display data by function with no loop information (default mode).

   VTune Amplifier updates the grid according to the selected filtering level.

3. Analyze Self and Total metrics in the Bottom-up and Top-down Tree windows and identify the most time-consuming loops.
4. Double-click a loop of interest to view the source code.

   VTune Amplifier opens a source file for the function with the selected loop. The code line creating the loop is highlighted.

   Note

   You can see the code line information only if debug information for your function is available.

See Also