Intel® VTune™ Profiler User Guide

User Guide

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 the data required to compute memory bandwidth.
    Default value :
    false
    Possible values :
    true
     |
    false
  • 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
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:

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.