rust-lang / rust-lang/backtrace-rs

/proc/self/maps ioctl interface for more efficient memory map queries

Open
#671 1 comment 1 reaction 0 assignees View on GitHub

Nobody has claimed this yet.

enhancement gimli OS-linux symbolizing
Dominant language
Rust
Stars
628
Forks
291
PR merge metrics
No merged PRs in 30d

Description

The 6.11 linux kernel added a new ioctl interface to the maps file that allows more efficient querying of the mapped memory ranges.
Depending on how much time is spent in processing the maps file it may or may not be worth to use it to shave off some overhead.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how /proc/self/maps is currently processed and read the linked Linux 6.11 commit describing the new ioctl interface. Compare its performance with the existing approach on supported kernels, then verify that memory-map queries remain correct and that older kernels still work.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux, rust
Domain
operating-systems, performance
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.