Visible to Intel only — GUID: GUID-4B2B7226-2D6F-4912-84F2-C9FE8DBD7B95
Visible to Intel only — GUID: GUID-4B2B7226-2D6F-4912-84F2-C9FE8DBD7B95
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
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:
Use the -report action to view the data from command line.
Use the -report-output action to write report to a .txt or .csv file
Open the data collection result (*.vtune) in the VTune Profiler graphical interface.