Performance monitoring tools LoadRunner // IT Management Solutions

Performance monitoring tools LoadRunner

Loadrunner Test Results Analysis

#7. Test Results Analysis

Test results are the most important deliverable for the performance tester. This is where we can prove the ROI (Return on Investment) and productivity that a performance testing effort can provide.

Some of the best practices that help the result analysis process:

a) A unique and meaningful name to every test result – this helps in understanding the purpose of the test
b) Include the following information in the test result summary:

  • Reason for the failure/s
  • Change in the performance of the application compared to the previous test run
  • Changes made in the test from the point of application build or test environment.
  • It’s a good practice to make a result summary after each test run so that analysis results are not compiled every time test results are referred.
  • PT generally requires many test runs to reach at the correct conclusion.
  • It is good to have the following points in result summary:
  • Purpose of test
  • Number of virtual users
  • Scenario summary
  • Duration of test
  • Throughput
  • Graphs
  • Graphs comparison
  • Response Time
  • Error occurred
  • Recommendations
  • There might be recommendations like configuration changes for the next test. Server logs also help in identifying the root cause of the problem (like bottlenecks) – Deep Diagnostic tools are used for this purpose.

    In the final report, all the test summaries are consolidated.

    #8. Report

    Test results should be simplified so the conclusion is clearer and should not need any derivation. Development Team needs more information on analysis, comparison of results, and details of how the results were obtained.

    Test report is considered to be good if it is brief, descriptive and to the point.

    The following guidelines will smooth this step out:

  • Use appropriate heading and summary
  • Report should be presentable so that it can be used in the management meetings.
  • Provide supporting data to support the results.
  • Give meaningful names to the table headers.
  • Share the status report periodically, even with the clients
  • Report the issues with as much information and evidence as possible in order to avoid unnecessary correspondence
  • The final report to be shared with the client has the following information:

  • Execution Summary
  • System Under test
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