kdiskmark : Disk benchmarking tool ( https://github.com/JonMagon/KDiskMark )
phoronix-test-suite : Phoronix's comprehensive, cross-platform testing and benchmark suite ( http://www.phoronix-test-suite.com )
poop : Performance Optimizer Observation Platform ( https://github.com/andrewrk/poop )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a guru
For Paludis use this rsync : rsync://gentoo.zugaina.org/guru-portage
If you have a problem : ycarus(-at-)zugaina.org