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memprof (c) Joe Damato @joedamato http://timetobleed.com What is memprof? ================ Memprof is a memory profiler for Ruby that requires no patches to the Ruby VM. It can help you find Ruby level memory leaks in your application. Required to install =================== If you are using the Linux version, you need to install libelf: apt-get install libelfg0-dev The experimental OSX version needs no additional libraries. How to use ========== require 'memprof' Memprof.start # ruby code Memprof.stats # more ruby code Memprof.stats Memprof.stop The above code will output 2 summaries, allowing you to compare which objects were destroyed and which are still around. Memprof.stats also takes an (optional) file name to write the output to a file. Supported systems ================= This only works on unstripped binaries. Currently supporting: Linux: x86_64 builds of Ruby Enterprise Edition 1.8.6/1.8.7 x86_64 builds of MRI Ruby (enabled-shared and disable-shared) Experimental (somewhat broken) support: Linux: i386/i686 support. Snow Leopard: x86_64 builds of MRI (both enable-shared and disable-shared) OSX system Ruby, distributed with Snow Leopard Coming soon: Official support for Snow Leopard. Linux: Tracking object allocationns in C extensions. CREDITS ======= Jake Douglas for the Mach O/snow leopard support. Aman Gupta for various bug fixes and other cleanup.