On Mon, Aug 5, 2013 at 12:16 PM, Steven Rostedt <rost...@goodmis.org> wrote: > On Mon, 2013-08-05 at 12:04 -0700, Andi Kleen wrote: >> Steven Rostedt <rost...@goodmis.org> writes: >> >> Can't you just use -freorder-blocks-and-partition? > > Yeah, I'm familiar with this option. >
This option works best with FDO. FDOed linux kernel rocks :) >> >> This should already partition unlikely blocks into a >> different section. Just a single one of course. >> >> FWIW the disadvantage is that multiple code sections tends >> to break various older dwarf unwinders, as it needs >> dwarf3 latest'n'greatest. > > If the option was so good, I would expect everyone would be using it ;-) > There were lots of problems with this option -- recently cleaned up/fixed by Teresa in GCC trunk. thanks, David > > I'm mainly only concerned with the tracepoints. I'm asking to be able to > do this with just the tracepoint code, and affect nobody else. > > -- Steve > >