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KCacheGrind is a KDE application built using the Qt Toolkit and KDE Frameworks that provides a convenient graphical interface in which to visualize profiling data gathered while benchmarking the performance of software in active development. It's mainly used as visualization frontend for data ... [More] measured by the Cachegrind/Callgrind tools from the Valgrind tools, but there are converters for other measurement tools available as well. Features: * direct support for profiles generated by Cachegrind/Callgrind * support for arbitrary event types and derived event types * sorted function list, grouped according to ELF object/source or file/symbol namespaces (such as C++ classes) * correct handling of recursive cycles (similar to GProf) [Less]

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.