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A library for performance traces from production.
C++ C Java Python Starlark JavaScript Other
Branch: master
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Profilo: an Android performance library


Profilo is an Android library for collecting performance traces from production builds of an app.


  1. Getting started
  2. Internal architecture
  3. Trace processing and analysis


Currently, none of the APIs are stable and they will change (mostly so that they're easier to use) before release.

Sample usage

The sample app in java/main/com/facebook/profilo/sample shows the most basic usage of the APIs.

You can also find the prebuilt apk in the Releases section.


A demo script can be found in python/profilo/ It contains examples of simple analysis that can be run on Profilo traces. For more information see the trace processing section of the docs.


Profilo is Apache 2 licensed, as found in the LICENSE file.

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