For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Tumbleweed/benchmark.repo
zypper refresh
zypper install fs_mark
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Slowroll/benchmark.repo
zypper refresh
zypper install fs_mark
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Factory/benchmark.repo
zypper refresh
zypper install fs_mark
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/benchmark/15.6/benchmark.repo
zypper refresh
zypper install fs_mark