# Monitor performance

There are a few ways that you can monitor step performance in PDI. Two tools are particularly helpful: the Sniff Test tool and the **Monitoring** tab. You can also use graphs to view performance.

* ​[Sniff Test tool](https://docs.pentaho.com/pdia-data-integration/archived-merged-pages/transforming-data-with-pdi-archive/logging-and-performance-monitoring/monitor-performance/sniff-test-tool)​
* ​[Monitoring tab](https://docs.pentaho.com/pdia-data-integration/archived-merged-pages/transforming-data-with-pdi-archive/logging-and-performance-monitoring/monitor-performance/monitoring-tab)​
* ​[Use performance graphs](https://docs.pentaho.com/pdia-data-integration/archived-merged-pages/transforming-data-with-pdi-archive/logging-and-performance-monitoring/monitor-performance/use-performance-graphs)