prometheus / prometheus/node_exporter
count number of hung tasks
Open
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accepted
- Dominant language
- Go
- Stars
- 13.8k
- Forks
- 2.7k
- Avg merge
- 1d 23h
- Merged PRs (30d)
- 8
Description
Linux 6.13 now ships with a new metric called hung_task_detect_count which:
Indicates the total number of tasks that have been detected as hung since the system boot.
Could/should this be added to node exporter?
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
Start with the Linux 6.13 kernel documentation for hung_task_detect_count and the linked node_exporter issue context. Locate the existing Linux task-related metric collector and its tests, then verify that the new metric reports the kernel counter correctly and is covered by the collector's test suite.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go, linux
- Domain
- observability, operating-systems
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100