Does the application continue to operate seamlessly or does it hang up or show signs of delay? You can run other application and then run your application under test and check how much resources it takes up.Here, resources means the CPU capacity, RAM, Disk I/O, Disk Space occupied, etc. You can run the application on a system with low resources and again on a system with high resources and compare the performance.
If your application is really a standalone application and it doesn't make connection requests and/or get data from a remote server, then you need to think of different things that you can do as part of performance testing. If your application makes HTTP requests to server and database located remotely, you can get the HTTP requests from the developers and use Loadrunner or Jmeter to generate load for performance testing. Does the application make HTTP requests to a remote system/server?.Why do you want to do performance testing of a desktop application?.When testing a desktop application if you stumble upon the idea/request to do performance testing, ask a few questions (to yourself if not others), Also, the main thing which needs to be verified during performance test of desktop application is Resource Utilization consumed by the desktop application.Īnother thing is you can check this link, which states the process of how you can performance test desktop application using Sikuli tool (it is open source but I guess not free). But if your application is a standalone desktop application then why do you need performance testing of application, one thing you can only do is to limit the Resources of your machine and then test the application and in that case a stopwatch alone is fine to capture timings. It depends how your desktop application will generate load? Is there any Network connection involved or any database connectivity involved, if yes then you can put load over the network or database using JMeter/Load runner etc. Although I haven't tried Desktop application performance testing on my own, but like you, I too had same question (long back) and I ended up with an answer like this.
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