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 and cache topology
likwid-features       - view and toggle feature reagister on Intel processors
likwid-perfctr        - configure and read out hardware performance counters on Intel and AMD processors
likwid-powermeter     - read out RAPL Energy information and get info about Turbo Mode steps
likwid-setFrequencies - read out RAPL Energy information and get info about Turbo Mode steps
likwid-memsweeper     - cleans up filled NUMA memory domains and evicts dirty cacheline from cache hierarchy
likwid-pin            - pin your threaded application (pthread, Intel and gcc OpenMP to dedicated processors
likwid-bench          - Micro benchmarking platform
likwid-gencfg         - Dumps topology information to a file
likwid-mpirun         - Wrapper to start MPI and Hybrid MPI/OpenMP applications (Supports Intel MPI and OpenMPI)
likwid-scope          - Frontend to the timeline mode of likwid-perfctr, plots live graphs of performance metrics

For a detailed  documentation on the usage of the tools have a look at the
likwid wiki pages at:

http://code.google.com/p/likwid/wiki/Introduction

If you have problems or suggestions please let us know on the likwid mailing list:

http://groups.google.com/group/likwid-users



