LIKWID Performance Tool Suite
- Jack Ogaja (Unlicensed)
- HPC Administrator01
- Tobias Poschwatta (Unlicensed)
Owned by Jack Ogaja (Unlicensed)
Performance tools and library for GNU Linux operating system.
Description
LIKWID is an easy to use yet powerful command line performance tool suite for the GNU/Linux operating system. While  LIKWID supported only x86 processors at the beginning, it has has been ported to ARM (including Fujitsu A64FX)  and POWER8/9 architectures as well as to NVIDIA GPGPUs.Read more on LIKWID developers' page
| Version | Installation Path | modulefile | compiler | sites | comment |
|---|---|---|---|---|---|
| 5.2.0 | /sw/tools/likwid/5.2.0 | likwid/5.2.0 | gcc/9.3.0 | Emmy, Lise | using accessdaemon (requires "likwid" group membership) |
| 5.2.1 | | likwid/5.2.1 | gcc | Emmy, Lise | using perf_event API |
For the user guide visit hpc.fau.de.
Prerequisites
To use a LIKIWID version with accessdaemon, please send a request to support@nhr.zib.de to be included in the likwid user-group.
Modules
Selecting the version and loading the environment
Load the modulefile
$ module load likwid/5.2.0
This sets the appropriate paths for using LIKWID tool suite.
Example usage
blogin6:~ $ srun --pty -N1 -pstandard96:test /bin/bash -ls bcn1021:~ $ module add likwid/5.2.0 Module for likwid 5.2.0 loaded. ... bcn1021:~ $ likwid-perfctr -g CLOCK /bin/sleep 1 -------------------------------------------------------------------------------- CPU name: Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz CPU type: Intel Cascadelake SP processor CPU clock: 2.29 GHz -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Group 1: CLOCK +-----------------------+---------+------------+-------------+ | Event | Counter | HWThread 0 | HWThread 96 | +-----------------------+---------+------------+-------------+ | INSTR_RETIRED_ANY | FIXC0 | 3665 | 8094 | | CPU_CLK_UNHALTED_CORE | FIXC1 | 21830 | 43400 | | CPU_CLK_UNHALTED_REF | FIXC2 | 21528 | 47656 | | PWR_PKG_ENERGY | PWR0 | 47.1188 | 0 | | UNCORE_CLOCK | UBOXFIX | 2403448642 | 0 | +-----------------------+---------+------------+-------------+ ...