It says it right there when you start JMeter: “Don’t use GUI mode for load testing !, only for Test creation and Test debugging.”

The JMeter developers were even kind enough to include an example of how to call JMeter on the command line:
jmeter -n -t [jmx file] -l [results file] -e -o [Path to web report folder]
This is a good start, but the real power in running JMeter from the terminal comes when you can set your test parameters at run time by passing them as properties. For example, you might want to run the same scenario with various thread counts or for a different number of iterations. You can even use command-line properties to toggle multiple test scenarios. Continue reading “Using JMeter Properties from the Command Line”