cgroupv2 support - Githubissues

clemsonciti / jobperf

Simple Job Performance Monitor for Slurm and PBS

GNU General Public License v2.0

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cgroupv2 support #3

Open elelayan opened 2 months ago

elelayan commented 2 months ago

Hi, thank you for sharing this nice tool! I've needed to adapt it to cgroups v2 for my slurm cluster:

there is no cpu or memory (/sys/fs/cgroup/{cpu,memory}) at the root of the path
there is no cpuacct.usage, but we can use the usage_usec field in the cpu.stat file
we have to look in the slurmstepd.scope: /sys/fs/cgroup/system.slice/slurmstepd.scope/job_%v instead of /sys/fs/cgroup/.../slurm/uid_%v/job_%v

It is a small patch to cmd/jobperf/nodestats.go. I'll propose a MR shortly.

dougnd commented 2 months ago

Thanks for looking into this! An MR would be appreciated -- there's a good chance we'll be moving to cgroupv2 in the not too distant future.