Re: [PATCH] Add -dB option to disable backtraces

2017-05-17 Thread Ian Lance Taylor via gcc-patches
On Wed, May 17, 2017 at 7:13 AM, Andi Kleen wrote: > On Tue, May 16, 2017 at 08:40:02PM -0700, Andrew Pinski wrote: >> On Tue, May 16, 2017 at 7:16 PM, Andi Kleen wrote: >> > From: Andi Kleen >> > >> > When running creduce on an ICE substantial amounts of the total >> > CPU time go to backtrace_

Re: [PATCH] Add -dB option to disable backtraces

2017-05-17 Thread Andi Kleen
On Tue, May 16, 2017 at 08:40:02PM -0700, Andrew Pinski wrote: > On Tue, May 16, 2017 at 7:16 PM, Andi Kleen wrote: > > From: Andi Kleen > > > > When running creduce on an ICE substantial amounts of the total > > CPU time go to backtrace_qsort() (sorting dwarf of the compiler) for > > printing th

Re: [PATCH] Add -dB option to disable backtraces

2017-05-16 Thread Markus Trippelsdorf
On 2017.05.16 at 19:16 -0700, Andi Kleen wrote: > From: Andi Kleen > > 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

Re: [PATCH] Add -dB option to disable backtraces

2017-05-16 Thread Andrew Pinski
On Tue, May 16, 2017 at 7:16 PM, Andi Kleen wrote: > From: Andi Kleen > > 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 > backtr

Re: [PATCH] Add -dB option to disable backtraces

2017-05-16 Thread Andrew Pinski
On Tue, May 16, 2017 at 7:16 PM, Andi Kleen wrote: > From: Andi Kleen > > 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 > backtr