It was quite a long time ago, so unfortunately at this point I don't remember what exact problems I encountered with `-fasychronous-unwind-tables`. (I think it

It was quite a long time ago, so unfortunately at this point I don't remember what exact problems I encountered with `-fasychronous-unwind-tables`. (I think it might have been completely broken and did nothing on 32-bit ARM? But I might be misremembering.) And there's of course the issue that you'd need everything to be compiled with it (because the program you're profiling is going to call into external dynamically linked libraries), which on an average system you most likely won't have.