<code>perf</code>(ややこしい名前) WSL2 だと動かん...
WSL2でプロファイルツール(samply)を設定する 
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ありがとうございます. 
samply でぺろっといけました!
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tinyusdz をプロファイルしてみました. いい感じです.
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WSL2 で C++ アプリをぺろっと profiling するメモ

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