Support core_cpus, die_cpus and die_id sysfs attributes
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Description
Heiko pointed out that these new sysfs attributes exist, but only for x86 so far:
- torvalds/linux@2e4c54dac7b3
- torvalds/linux@0e344d8c709f
Not clear if we can meaningfully populate all of them on PowerVM, but on bare metal we probably can.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the two referenced torvalds/linux commits to understand the x86 implementations of core_cpus, die_cpus, and die_id. Investigate how these sysfs attributes could be populated on PowerVM and bare-metal PowerPC systems, and establish which configurations can support meaningful values. Done means the supported attributes are exposed with correct values and unsupported cases are handled explicitly.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- linux
- Domain
- operating-systems
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100