.CTRACE File Extension
Android System Trace
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What is a CTRACE file?
A CTRACE file is a system trace file created by an Android device running Android 9 or earlier. It contains a record of device activity over a period of time. CTRACE files are created by Systrace, an Android system trace tool.
More Information
System tracing allows Android users and developers to record information about their device's activity and performance. Developers can use this information to review, troubleshoot, and optimize an application's performance. For example, a developer might discover that their app opens and maintains too many threads, causing a device's performance to suffer.
Android 9 and earlier versions use a system tracing tool called Systrace to perform and record traces. Traces saved using Systrace-based tools, such as the System Tracing app, are saved as CTRACE files.
NOTE: In Android 10 and later versions, Android uses a system tracing tool called Perfetto to save traces as .PERFETTO-TRACE files.
How to open a CTRACE file
You can open a CTRACE file in Perfetto (Web). To do so:
- Open your web browser and go to https://ui.perfetto.dev.
- Select Open with legacy UI.
- Navigate to and open your CTRACE file.