On Tue, May 16, 2017 at 08:40:02PM -0700, Andrew Pinski wrote: > On Tue, May 16, 2017 at 7:16 PM, Andi Kleen <a...@firstfloor.org> 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. > > The other thing which you could is strip the binaries. :) > j/k. I think this is a good patch and a good idea.
AFAIK the sort is for the unwind tables. strip removes .dwarf*, but not .eh_* It can't because that would break C++ exceptions. -Andi
