User Guide

Contents

custom-collector

Launch an external collector to gather custom interval and counter statistics for your target in parallel with the
VTune
Profiler
.

Syntax

-custom-collector=
<string>
Arguments
<
string
>
Command line launching an external collection tool.
Actions Modified
Description
Your custom collector can be an application you analyze with the
VTune
Profiler
or a collector that can be launched with the
VTune
Profiler
.
Use the
-custom-collector
option to specify an external collector other than a target analysis application.
When you start a collection, the
VTune
Profiler
does the following:
  1. Launches the target application in the suspended mode.
  2. Launches the custom collector in the attach (or system-wide) mode.
  3. Switches the application to the active mode and starts profiling.
If your custom collector cannot be launched in the attach mode, the collection may produce incomplete data.
You can later import custom collection data (time intervals and counters) in a CSV format to the
VTune
Profiler
result.
This example runs Hotspots analysis in the default
user-mode sampling
mode and also launches an external script collecting custom statistics for the specified application:
Windows:
vtune -collect hotspots -custom-collector="python.exe C:\work\custom_collector.py" -- notepad.exe
Linux:
vtune -collect hotspots -custom-collector="python /home/my_collectors/custom_collector.py" -- my_app
This example runs
VTune
Profiler
event-based sampling collector and also uses an external system collector to identify product environment variables:
Windows:
vtune -collect-with runsa -custom-collector="set | find \"AMPLXE\"" -- notepad.exe
Linux:
vtune -collect-with runsa -custom-collector="set | find \"AMPLXE\"" -- my_app

Product and Performance Information

1

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