Performance test harness for B2G
Python JavaScript
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b2gperf is a tool for testing the performance of Firefox OS.


You will need a Marionette enabled Firefox build that you can successfully connect to.


Installation is simple:

pip install b2gperf

If you anticipate modifying b2gperf, you can instead:

git clone git://
cd b2gperf
python develop


Usage: b2gperf [options] app_name [app_name] ...

For full usage details run `b2gperf --help`.

Test Variables

Currently the only test variable support is for a wifi network. If you want to connect to wifi before measuring performance, please specify a path to a JSON file that describes the network. For example:

  "wifi": {
    "ssid": "MyNetwork",
    "keyManagement": "WPA-PSK",
    "psk": "SecurePassword"