kuperxu 8dd106028b [debugserver] Add platform cache support to improve performance. ...

The dyld SPI used by debugserver (_dyld_process_info_create) has become
much slower in macOS BigSur 11.3 causing a significant performance
regression when attaching. This commit mitigates that by caching the
result when calling the SPI to compute the platform.

Differential revision: https://reviews.llvm.org/D102833

2021-05-20 19:10:46 -07:00

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