# Introduction

This document describes the Qualcomm® Hexagon™ profiler, which is the primary profiling tool for the Hexagon processor. The profiler displays information about the execution history of a program written for a Hexagon processor. Use it to identify any processor stalls in a program that can potentially be avoided.

This document is intended for experienced C programmers with assembly language experience.

## Conventions

Computer text, code names, and code samples appear in a different font, for example,

printf(“Hello world\\n”)
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The following notation is used to define command syntax:

- Square brackets enclose optional items, for example, [label].
- **Bold** indicates literal symbols, for example, [**comment**].
- The vertical bar character, |, indicates a choice of items.
- Parentheses enclose a choice of items for example, (**add**|**del**).
- An ellipsis, … , follows items that can appear more than once.

## Technical assistance

For assistance or clarification on information in this document, submit a case to Qualcomm Technologies, Inc. (QTI) at [https://support.qualcomm.com/](https://support.qualcomm.com/).

Last Published: Oct 06, 2026

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