benchmark: CodSpeed ignores syscalls

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#11,907 11 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
65/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
rust
Domain
performance, testing-qa

Research direction

Start by locating the CodSpeed benchmark configuration and read the linked Walltime instrument documentation, then inspect how the affected benchmarks are instrumented. Done means the relevant benchmarks use Walltime and no longer report that system calls are excluded from their measurements.

Written by the indexing model from the issue text.

Description

There are warnings on CodSpeed:

This benchmark contains N system calls, totalling T s of execution time. Since they cannot be consistently instrumented, those calls are not included in the measure. Please switch to the Walltime instrument to accurately measure system calls. Learn more about measurement and system calls.

Dominant language
Rust
Stars
24.1k
Forks
2k
Avg merge
1d 4h
Merged PRs (30d)
371

Contributor guide

Open the contributing guide

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.

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