Intel® VTune™ Amplifier XE and Intel® VTune™ Amplifier for Systems Help

Viewing Instrumentation and Tracing Technology (ITT) API Task Data in Intel® VTune™ Amplifier

User task and API data can be visualized in Intel® VTune™ Amplifier performance analysis results.

After you have added basic annotations to your application to control performance data collection, you can view these annotations in the Intel VTune Amplifier timeline. All supported instrumentation and tracing technology (ITT) API tasks can be visualized in VTune Amplifier.

Use the following steps to include ITT API tasks in your performance analysis collection:

  1. Click the New Analysis toolbar button to begin a new collection.
  2. Set up the Analysis Target. For more information, see Analysis Target Setup.
  3. Switch to the Analysis Type tab by clicking the Choose Analysis button or selecting the tab at the top of the window.
  4. Select an analysis type. For more information about each analysis type, see Performance Analysis Setup.
  5. Select the Analyze user tasks, events, and counters checkbox to view the API tasks, counters, and events that you added to your application code.

    Note

    In some cases, the Analyze user tasks, events, and counters checkbox is in the expandable Details section. To enable the checkbox, use the Copy button at the top of the tab to create an editable version of the analysis type configuration. For more information, see Custom Analysis and Custom Analysis - New Hardware Event-based Sampling Analysis.

  6. Click the Start button.

After collection completes, the analysis results appear in a viewpoint specific to the analysis type selected. The API data collected is available in the following locations:

See Also