User Guide

Intel® VTune™ Profiler User Guide

ID 766319
Date 11/07/2023
Public
Document Table of Contents

performance-snapshot Command Line Analysis

Use Performance Snapshot when you want to see a summary of issues affecting your application. This analysis also includes recommendations for other analysis types that you can run next for a deeper investigation.

Syntax

vtune -collect performance-snapshot [-knob <knobName=knobValue>] [--] <target>

Knobs:

  • collect-memory-bandwidth

    Collect the data required to compute memory bandwidth.

    Default value : false

    Possible values : true | false

  • dram-bandwidth-limits

    Evaluate maximum achievable local DRAM bandwidth before starting the collection. This data is used to scale bandwidth metrics on the timeline and calculate thresholds.

    Default value : true

    Possible values : true | false

NOTE:

For the most current information on available knobs (configuration options) for Performance Snapshot analysis, enter:

vtune -help collect performance-snapshot

Example

This example shows how to run Performance Snapshot on a Linux* myApplication application:

vtune -collect performance-snapshot -- /home/test/myApplication

What's Next

When the data collection is complete, do one of the following to view the result: