When running Profile Guided Optimization, I would presume that it would become clear where most of the CPU time is spent. I would like tell the PGO to for example, optimize as much code for size as possible while ensuring that at most 1% of CPU time (as measured by the test run that was profiled) is spent on the code optimized for size. However, I cannot find any information on whether:

• This is a totally standard optimization that is enabled by default.
• This needs to be enabled somehow.
• This is unsupported.

Does anyone know?

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