The Valgrind distribution currently includes six production-quality tools: a memory error detector, two thread error detectors, a cache and branch-prediction profiler, a call-graph generating cache profiler, and a heap profiler. It also includes two experimental tools: a heap/stack/global array overrun detector, and a SimPoint basic block vector generator. It runs on the following platforms: X86/Linux, AMD64/Linux, PPC32/Linux, PPC64/Linux, and X86/Darwin (Mac OS X).
Valgrind uses dynamic binary instrumentation, so you don't need to modify, recompile or relink your applications. Just prefix your command line with valgrind and everything works. Valgrind works with programs written in any language, be they compiled, just-in-time compiled, or interpreted. The Valgrind tools are largely aimed at programs written in C and C++, because programs written in these languages tend to have the most bugs! But it can, for example, be used to debug and profile systems written in a mixture of languages. Valgrind has been used on programs written partly or entirely in C, C++, Java, Perl, Python, assembly code, Fortran, Ada, and many others.
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CherryPy allows developers to build web applications in much the same way they would build any other object-oriented Python program. This results in smaller source code developed in less time. It is a fast, HTTP/1.1-compliant, WSGI thread-pooled webserver. It has built-in tools for caching, encoding, sessions, authorization, static content, profiling, coverage, and testing support.
Alleyoop is a graphical front-end to the increasingly popular Valgrind memory checker for the x86 and x86_64 flavors of Linux using the Gtk+ widget set and other GNOME libraries for the X-Windows environment.
ruby-prof is a fast code profiler for Ruby.
Memprof is a Ruby level memory profiler that can help you find reference leaks in your application. Memprof can also do very lightweight function call tracing to help you figure out which system calls, and library calls your code causes. Ruby memory profiler similar to bleak_house, but without patches to the Ruby VM.
Valkyrie is an open-source graphical user interface for the Valgrind 3.3.X line. Valkyrie uses the Qt widget library, and is based on Valgrind`s XML output capabilities. Valkyrie is designed for simplicity and ease of use, whilst allowing access to the full range of Valgrind command-line options.
PyScripter is a Python Integrated Development Environment (IDE) created with the ambition to become competitive in functionality with commercial Windows-based IDEs available for other languages. Being built in a compiled language is rather snappier than some of the other Python IDEs and provides an extensive blend of features that make it a productive Python development environment.
Adds in proccess id and memory usage in your rails logs, great for tracking down memory leaks.
A Ruby library for finding memory leaks.
OProfile is a system-wide profiler for Linux systems, capable of profiling all running code at low overhead. It leverages the hardware performance counters of the CPU to enable profiling of a wide variety of interesting statistics, which can also be used for basic time-spent profiling. All code is profiled: hardware and software interrupt handlers, kernel modules, the kernel, shared libraries, and applications.