Instrumentation and Tracing Technology APIs

The instrumentation and tracing technology (ITT) APIs provided by the Intel® VTune™Amplifier enables your application to generate and control the collection of trace data during its execution. ITT APIs have the following features:

Application performance overhead can be controlled based on the amount of traces that you collect.
Enables trace collection without recompiling your application.
Supports applications in C/C++ environments.
Supports instrumentation for tracing application code.

Note

To be able to see user tasks in your results, enable the Analyze user tasks checkbox in analysis settings.