Hi Bruce, 2015-07-03 16:40, Bruce Richardson: > As well as the fast-path functions in the rxtx code, there are also > functions which set up and tear down the descriptor rings. Since these > are not performance critical functions, there is no need to have them > extensively optimized, so we add __attribute__((cold)) to their > definitions. This has the side-effect of making debugging them easier as > the compiler does not optimize them as heavily, so more variables are > accessible by default in gdb.
What is the benefit, compared to -O0?
