likwid

Lightweight Performance Tools

Likwid is a simple to install and use toolsuite of command line applications for performance oriented programmers. It works for Intel and AMD processors on the Linux operating system. It consists of: * likwid-topology: print thread, cache and NUMA topology * likwid-perfctr: configure and read out hardware performance counters on x86, ARM and POWER processors * likwid-powermeter: read out RAPL Energy information and get info about Turbo mode steps * likwid-pin: pin your threaded application (pthread, Intel and gcc OpenMP to dedicated processors) * likwid-genTopoCfg: Dumps topology information to a file * likwid-memsweeper: Sweep memory of NUMA domains and evict cachelines from the last level cache