Marker API

A marker is an instant event on a timeline that can be associated with a particular process, a thread, or specified in a global scope.

To create a marker, use the following primitive:

void __itt_marker(const __itt_domain *domain, __itt_id id,
                 __itt_string_handle *name, __itt_scope scope);

Parameters of the primitive:

Type

Parameter

Description

[in]

domain

Marker domain

[in]

name

Marker name

[in]

id

Optional parameter. Marker ID, or __itt_null. Markers with different domains cannot have the same IDs.

[in]

scope

Marker scope: process, thread, and global