T6406: enables container cpu limits

[nvollmar]

Change Summary

Enable the kernel configs to allow CPU container limits

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

https://vyos.dev/T6406

Component(s) name

kernel

Proposed changes

Enabling the following kernel configs to get cpu/cpuset cgroup controllers available for container cpu limits:

CONFIG_CGROUP_SCHED=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CPUSETS=y

How to test

Create image with the new configuration and run:

vyos@vyos:~$ cat /sys/fs/cgroup/cgroup.controllers
cpuset cpu memory pids

Current configuration is missing cpuset cpu

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[c-po]

Please add another PR adding tests for the new Kernel options. Example: vyos/vyos-1x#3522

[nvollmar]

Thanks for the hint, will note that down for the config feature implementation

[c-po]

@Mergifyio backport sagitta

[mergify]

backport sagitta

✅ Backports have been created

• #644 T6406: enables container cpu limits (backport #643) has been created for branch sagitta