Ruomeng Hao

Results 17 comments of Ruomeng Hao

Thanks for prompt response. Please see my answers inline. 1. do you use cgroup v1 or v2? v2 is the assumed default. - I think my kernel supports both v1...

> @ruomengh would you like to provide a fix for this? We can go through the development process to help you get started. Sounds good. I'd like to have a...

Re-deploy kepler with the latest image and the issue remains.

2022/08/18 01:33:03 InitSliceHandler: &{map[] /sys/fs/cgroup/cpu /sys/fs/cgroup/memory /sys/fs/cgroup/blkio} use sysfs to obtain power config EnabledEBPFCgroupID enabled: true config getKernelVersion: 5.15 config set EnabledEBPFCgroupID to false

The path doesn't exist - ls: cannot access '/sys/fs/cgroup/cgroup.controllers': No such file or directory

Seems cgroup v2 is disabled on the node to avoid another issue. I tried this for cgroup v1 as @rootfs suggested but it doesn't work either https://github.com/sustainable-computing-io/kepler/blob/main/manifests/kubernetes/deployment.yaml#L71

Actually this depends on NFD (node feature discovery) and this NFD works for x86 architecture only. Please refer to https://kubernetes-sigs.github.io/node-feature-discovery/v0.11/get-started/features.html#arm-cpuid-flags-partial-list This could affect environments which don't have NFD deployed or...

> @jichenjc looks cool! Can you also update [README](https://github.com/sustainable-computing-io/kepler/blob/main/README.md) and [installation guide](https://github.com/sustainable-computing-io/kepler/tree/main/manifests#installing-kepler-on-kubernetes)? +1. It would be helpful to update installation guide as well.

There are several nodes using different Intel CPUs in my cluster. All of them have the same issue after running for a while. When a new node just joined the...

> thank you @Feelas so this is indeed a result of #150 and #156. We trust the pkg energy than the old way of deriving missing core energy (when core...