Getting started

To record and analyze profiling data:

  • Start Qt Profiler from Qt Creator or Qt Extension for VS Code, or install it as a stand-alone tool on Linux, macOS, or Windows.
  • Select Start recording.
  • Use the application to collect data.
  • Select Stop recording to view the results.
  • Inspect the results in the Qt Profiler views.

Supported trace formats

You can record and import trace files in the following formats:

  • QML traces (*.qtd, *.qzt)
  • Chrome Trace Format (*.json)
  • Common Trace Format

Supported analyzers

You can use the following tools:

  • QML Profiler
  • Perf
  • Chrome Trace Format (CTF) visualizer

See also Record a trace and Command-line options.