OProfile is a low-overhead, transparent profiler for Linux. It is capable of instruction-grain profiling of all processes, shared libraries, the kernel, and device drivers, via the hardware performance counters.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.