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Using DYAD's wrapper library and PerfFlow Aspect causes hang with Core refactor #20

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ilumsden opened this issue Feb 20, 2023 · 1 comment
Open

Using DYAD's wrapper library and PerfFlow Aspect causes hang with Core refactor #20

ilumsden opened this issue Feb 20, 2023 · 1 comment

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@ilumsden
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The soon-to-be-merged Core refactor (see #14) seems to no longer work with PerfFlow Aspect (PFA). When using both PFA and DYAD's wrapper library (libdyad_sync.so), applications seem to hang.

I'm not yet certain why this happens, but it likely has to do with the fact that both PFA's C API and DYAD's wrapper library use __atribute__((constructor)). That likely means that, if PFA and DYAD are linked/loaded in the wrong order, things will break. Combine that with the fact that DYAD's wrapper library uses the preload trick, and it's pretty likely that things are being loaded incorrectly.
@ilumsden ilumsden mentioned this issue Feb 20, 2023
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@JaeseungYeom
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Is this still relevant?

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@JaeseungYeom @ilumsden