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Investigate making trace spans flow into the hyperlight guest #318

Description

@simongdavies

Hyperlight makes use of Rust tracing Spans to trace threads of execution through a Sandbox, this is done primarily throught the instrument macro.

We should explicitly enable a span to continue across a guest->host->guest call chain.

It may be possible to do this using Trace Context Propogator, see here for an example of this

Activity

  1. added this to the Backlog milestone on Mar 4, 2025
  2. added
    lifecycle/confirmedBug is verified or proposal seems reasonable
    and removed
    kind/enhancementFor PRs adding features, improving functionality, docs, tests, etc.
    on Apr 23, 2025
  3. dblnz commented on Oct 23, 2025

    @dblnz
    Contributor

    This has been addressed by #844 which combines host and guest traces to achieve a complete trace

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