CoroTracer

Dev tools

coroutine debugging tracer

SHOW HN2026

CoroTracer

A zero-copy coroutine tracer to find my scheduler's lost wakeups

github.com

#coroutine tracer#lost wakeups#scheduler debugging#zero-copy tracing

49points
3comments
#1,226of 4,366 in 2026
Top 29%of 2026 by points

How HN took it

QuietFewer than 5 comments about the project

0 positive, 0 neutral or asking, 1 mixed, 0 critical, out of 1 comments about the project.

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Useful ideas worth borrowing

    From 1 comment
    • Very nice. I might steal some ideas. A small comment after a cursory look: the signaling in CoroTracer.h:162 is susceptible of missed wakeups; you would need a #StoreLoad fence…
      gpderetta on HN

Objections

  • Signaling may miss wakeups without a StoreLoad fence and acquire load

    From 1 comment
    • Very nice. I might steal some ideas. A small comment after a cursory look: the signaling in CoroTracer.h:162 is susceptible of missed wakeups; you would need a #StoreLoad fence…
      gpderetta on HN

Questions

  • Whether relaxed load is intentional given missed wakeups

    From 1 comment
    • Very nice. I might steal some ideas. A small comment after a cursory look: the signaling in CoroTracer.h:162 is susceptible of missed wakeups; you would need a #StoreLoad fence…
      gpderetta on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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