[llvm] [BOLT][heatmap] Produce zoomed-out heatmaps (PR #140153)
Maksim Panchenko via llvm-commits
llvm-commits at lists.llvm.org
Fri May 23 09:35:44 PDT 2025
maksfb wrote:
Instead of introducing the new option, can we reuse `--block-size=` and make it accept multiple values or a different format?
> If rescaling is impossible, no heatmap is produced.
Without a printed warning? I understand that the size limitation is driven by implementation, but at the very least we should report that there is no expected output.
Alternatively, use a different option format that encapsulates the limitations. E.g., `--block-size=<initial_size>{:<scale>:<count>}` or `--block-size=<initial_size>{:<scale1>,<scale2>...}`.
https://github.com/llvm/llvm-project/pull/140153
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