On 2017.05.16 at 19:16 -0700, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > When running creduce on an ICE substantial amounts of the total > CPU time go to backtrace_qsort() (sorting dwarf of the compiler) for > printing the backtrace of the ICE. When running a reduction we don't need the > backtrace. So add a -dB option to turn it off, and make reduction > a bit faster.
It is useful when reducing compiler segfaults, because here one should grep for a symbol in the backtrace to not end up with an unrelated crash. -- Markus
