Re: Remove -mno-omit-leaf-frame-pointer from build flags

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Neal Gompa <ngompa13@xxxxxxxxx> writes:

> [...]  So my semi-naive interpretation of the problem here is that
> glibc is special in that it doesn't provide any support for real-time
> tracing or profiling. [...]

Note that glibc does support unwinding-based tracing/profiling via the
.cfi directives even in assembly code, which let an unwinder compute
backtraces from fully-optimized binaries.  Recent work in elfutils &
sysprof have shown lowish and decreasing overheads of that approach.

- FChE

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