mgedmin / mgedmin/memgraphinator
Idea: track PSS
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- Dominant language
- Python
- Stars
- 15
- Forks
- 1
- PR merge metrics
- No merged PRs in 30d
Description
In addition to RSS and VIRT it might be nice to track PSS (Proportional set size, like RSS except shared memory pages are divided by the number of processes that share them).
You can get it from /proc/$pid/smaps_rollup, on a line containing
Pss: nnn kB
(If smaps_rollup is not available, you'd have to read /proc/$pid/smaps itself and sum the Pss for every mapping. I'm not sure which kernel version added smaps_rollup.)
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 tracing how the existing RSS and VIRT values are collected, then inspect /proc/$pid/smaps_rollup for the Pss line. If smaps_rollup is unavailable, use /proc/$pid/smaps and sum each mapping's Pss value; done means PSS is tracked alongside RSS and VIRT in both cases.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- operating-systems
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100