Re: [PATCH dwarves v4 00/10] pahole: faster reproducible BTF encoding

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On Tuesday, January 7th, 2025 at 11:08 AM, Ihor Solodrai <ihor.solodrai@xxxxx> wrote:

> 
> 
> This is v4 of the series aiming to speed up parallel reproducible BTF
> encoding. This version mostly addresses feedback from Jiri Olsa on v3.
> 
> A notable adition is a patch 10/10, which changes func_states in
> btf_encoder from a list to an array.
> 
> [...]

Alan, Arnaldo,

I'd like to also remind about two small patches that I sent separately:

  * dwarves: set cu->obstack chunk size to 128Kb
    * https://lore.kernel.org/dwarves/20241221030445.33907-1-ihor.solodrai@xxxxx/
  * btf_encoder: fix memory access bugs
    * https://lore.kernel.org/dwarves/20241216183112.206072-1-ihor.solodrai@xxxxx/

In particular, obstack chunk size change significantly improves the
runtime of BTF encoding on top of this patch series, on the machines\
with lots of cores.

Please take a look at them when you get a chance.
They can be applied independently.

Thanks.





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