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Profiling a function from Dynamic Loaded library #89

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ValouBambou opened this issue May 11, 2023 · 0 comments
Open

Profiling a function from Dynamic Loaded library #89

ValouBambou opened this issue May 11, 2023 · 0 comments

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@ValouBambou
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Os/Distro: Archlinux and vtune installed with the intel-oneapi-basekit package (2023 0.0.25537-3)

Context: I want to debug the performance of a specialized generated C code that do some kind of matrix multiplication computation. The C code is generated and compiled in a shared object and used in a driver code written in rust. The driver code prepare data, load the lib.so and profile it.

Issue: Little/no info available in the bottom-up view inside vtune-gui about the task involving a call to an external function defined in the dynamic library.

image

Doing exactly the same with a statically linked extern fn works as expected and gives performance info.

Is this a known issue ? Is there any workaround ?

Minimal reproducible project in the zip.

minimalissueittnotify.zip

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