Pin is a dynamic binary instrumentation framework for the IA-32, x86-64 instruction set architectures that enables the creation of dynamic program analysis tools. Some tools built with Pin are Intel Parallel Inspector, Intel Parallel Amplifier and Intel Parallel Advisor. The tools created using Pin, called Pintools, can be used to perform program analysis on user space applications in Linux and Windows. As a dynamic binary instrumentation tool, instrumentation is performed at run time on the compiled binary files. Thus, it requires no recompiling of source code and can support instrumenting programs that dynamically generate code. Pin was originally created as a tool for computer architecture analysis, but its flexible API and an active community (called "Pinheads") have created a diverse set of tools for security, emulation and parallel program analysis. Pin is proprietary software developed and supported by Intel, and is supplied free of charge for non-commercial use together with a kit of reference tools.

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