User Guide

Contents

ring-buffer

Limit the amount of raw data to be collected by setting the timer that enables the analysis only for the last seconds before the target or collection is terminated.
GUI Equivalent
Configure Analysis
window >
WHAT
pane >
Advanced
>
Limit collected data by: Time from collection end, sec
option

Syntax

-ring-buffer
=<integer>
Arguments
<
integer
>
Timer (in sec)
Actions Modified
Description
Use the
ring-buffer
action-option to limit the amount of raw data to be collected. The option sets the timer (in sec) that enables the analysis only for the last seconds before the target or collection is terminated.
Alternate Options
data-limit
Limit the amount of raw data (in MB) to be collected.
Example
Enable a Hotspots analysis for the last 10 seconds before the collection is terminated.
vtune -collect hotspots -ring-buffer=10 myApp

Product and Performance Information

1

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