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This branch/clone/whatever git calls it of the official Facebook GUI does a few things:

  • It includes a header.php and footer.php document you can use with PHP's auto_prepend_file and auto_append_file directives. They set up profiling when requested (?_profile=1), or randomly. Profiled pages display a link to their profile results at the bottom of the page (this can be disabled on a black list bases for specific documents. e.g. pages generating XML, images, etc.).
  • The GUI is a bit prettier (Thanks to Graham Slater)
  • It uses a MySQL backend, the database schema is stored in xhprof_runs.php
  • There's a front end to view different runs, compare runs to the same url, etc.

Key features include:

  • Listing 25, 50 most recent runs
  • Display most expensive (cpu), longest running, or highest memory usage runs for the day
  • It introduces the concept of "Similar" URLs. Consider:
  • Highcharts is used to graph stats over requests for an easy heads up display.


Work that we're still doing:

  • The aggregation functionality is ignored completely
  • The code is... a mess. Deadlines do that to you, we're working on it
  • The default table schema isn't indexed all the places it needs to be
  • Easier ways to diff URLs
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