alibaba / alibaba/PhotonLibOS

The flame graph is displayed abnormally

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#919 15 comments 0 reactions 1 assignee Claimed by @Coldwings View on GitHub
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C++
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Description

We introduced Photon and intended to capture flame graphs using perf to analyze some performance issues. However, the flame graph stacks captured look quite strange. There are many "unknown" stacks, and even when the stacks are visible, the call relationships seem odd.

unknown stack:

Image

stack looks so odd

Image

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