-fno-unwind-tables -fno-asynchronous-unwind-tables versus debugging

[Andrew Haley]

On 07/10/16 15:42, Ian Lance Taylor wrote:
> For typical use those options will not affect debugging.
> 
> Using those options will in some cases make it harder for the debugger
> to give you a good backtrace when a signal occurs.

And much harder to use tools like perf to produce runtimer
performance data like flame graphs.

   http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html

Andrew.