GCC使用perf进行PGO优化，运行SPECCPU2017的测试相关流程问题。

Question

使用perf运行SPECCPU2017进行采样，如何使用create_gcov进行转换（gcc识别的配置文件格式）。有没有具体操作流程或手册可以分享。谢谢

Answer 1

不知道这些文档是否对你有所帮助：

https://documentation.suse.com/sbp/all/html/SBP-GCC-10/index.html

https://documentation.suse.com/sbp/server-linux/html/SBP-GCC-11/index.html

SPEC CPU® 2017 https://www.spec.org/cpu2017/

Profile guided optimization with gcc – domas mituzas Yesterday I wrote how certain build optimizations can have performance differences - and I decided to step a bit deeper into a quite interesting field - profile guided binary optimization. There're quite a few interesting projects out there, like LLVM (I hear it is used extensively in iphone?) - which analyze run-time profile of compiled… https://dom.as/2009/07/27/profile-guided-optimization-with-gcc/

https://documentation.suse.com/sbp/server-linux/html/SBP-GCC-11/index.html

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补充：

GitHub - google/autofdo: AutoFDO AutoFDO. Contribute to google/autofdo development by creating an account on GitHub. https://github.com/google/autofdo

create_gcov | Profilerpedia https://profilerpedia.markhansen.co.nz/converters/create-gcov/