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WP MySQL Profiler
v1.0 · by asadkn
Used to profile MySQL queries for performance; with backtrace information for each query (caller functions, lines, file names etc.)
About this plugin
A simple plugin to assist both theme and plugin developers in MySQL Profiling. Once installed, MySQL statistics will be available at page footer. Visit http://wpsplash.com/mysql-profiler-plugin-for-wordpress/ for more information.