User Guide

Contents

Domain API

A
domain
enables tagging trace data for different modules or libraries in a program. Domains are specified by unique character strings, for example
TBB.Internal.Control
.
Each domain is represented by an opaque
__itt_domain
structure, which you can use to tag each of the ITT API calls in your code.
You can selectively enable or disable specific domains in your application, in order to filter the subsets of instrumentation that are collected into the output trace capture file. To disable a domain set its flag field to
0
value. This disables tracing for a particular domain while keeping the rest of the code unmodified. The overhead of a disabled domain is a single
if
check.
Use This Primitive
To Do This
__itt_domain *ITTAPI
__itt_domain_create
( const char *name)
Create domain using some domain name: the URI naming style is recommended. (for example,
com.my_company.my_application
). The set of domains is expected to be static over the application's execution time, therefore, there is no mechanism to destroy a domain.
Any domain can be accessed by any thread in the process, regardless of which thread created the domain. This call is thread-safe.
Parameters:
[in]
name
Name of domain

Example



    
#include "ittnotify.h" __itt_domain* pD = __itt_domain_create(L"My Domain" ); pD->flags = 0; /* disable domain */

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804