rr on Intel Meteor Lake chips
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- Dominant language
- C++
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Description
Intel has introduced new mobile chips in Q3 2023 previously codenamed "Meteor Lake" now called "Core Ultra. An example SKU is the Core Ultra 155H that can be found on many laptops.
Does anyone know if rr runs well / has any issues on Meteor Lake ? This is a slightly unusual generation because there are three kinds of cores - Performance, Efficiency and Low Power Efficiency cores. Apparently all (?) programs first go on the low power efficiency cores before being promoted to other cores.
This "promotion" from the Low power Efficiency cores is probably not something that rr would like, I'm guessing. I don't know if its possible to directly place rr directly on a core without going through this promotion business.
Has anybody used rr on the latest Meteor Lake laptops ? Feedback ?
Contributor guide
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
The issue names no file, test, or entry point. Begin by checking rr behavior on an Intel Core Ultra 155H/Meteor Lake laptop under Linux, focusing on its Performance, Efficiency, and Low Power Efficiency cores. Done would require documented compatibility findings or a clearly reproducible problem and an agreed change.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, linux
- Domain
- devtools, operating-systems
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100