#Record Trace

This article provides a comprehensive guide on how to use the Devtool to record performance data for Lynx pages. By following these steps, you will be able to capture detailed information about the page rendering process and engine execution, enabling effective performance analysis and problem diagnosis.

#Setup

1. Install Lynx Devtool Desktop Application;
2. Use the latest LynxExplorer app or integrate lynx dev version into your application;
3. Use a data cable to connect your device to your computer;

#Record Trace

#1. Select Trace

Open the Devtool desktop application and choose Trace from the topbar.

#2. Select the app

Pick the target app you want to profile from the available device list.

#3. Start recording

Press the Start to start recording trace.

#4. Stop recording

Click the Stop to stop recording trace.

#5. Analyze

After stopping, the trace data will be displayed for analysis.

#6. Download trace data(optional)

If needed, click the Download to save the trace file to your computer.

#7. View or manage historical trace data

Click History to see previous trace data.

You can select a trace file to view, download, or delete as needed on Trace History panel.

#FAQ

#After clicking Start, the message "Current app does not integrate lynx and lynx-trace components with dev version, please integrate dev version first according to the following document" appears.

• Use the latest LynxExplorer app, or refer to integrate lynx dev version to integrate the dev version of lynx.

#After clicking Start, the message "Tracing already started" appears.

• Trace recording is already in progress. You can click Stop to stop recording trace.

#Next Steps