In my experience, slow unwinder is so slow on ARM that it's completely unusable. I've seen ~90% CPU time spent in the unwinder (things are slightly better with malloc_context_size=3 or so, but what's the point of the "real" unwinder then?).
On Tue, Mar 4, 2014 at 12:59 PM, Yuri Gribov <[email protected]> wrote: >> Is there are a reason why you can't compile your code/libraries with >> -fno-omit-frame-pointer and use a "fast" unwinder? > > Fast unwinder is nice but > * some legacy libs can't be recompiled > * people may not want to rebuild standard libraries with > -fno-omit-frame-pointer (glibc, etc.) > * I'd prefer not to loose a register on ARM > > -Y > > -- > You received this message because you are subscribed to the Google Groups > "address-sanitizer" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
