--- Additional Comments From dirkjan at magma-da dot com 2007-03-12 08:32
---
Subject: Re: gprof reads executable 10x slower on opteron/x86_64
No.
Just g++ -O3 -gp to compile and just gprof on the executable and
gmon.out. The executable is 100Mb large.
Adding stab debug info in
--- Additional Comments From dirkjan at magma-da dot com 2006-04-07 06:24
---
Subject: Re: gprof reads executable 10x slower on opteron/x86_64
Note that the real problem is not stabs or not. But 10x slowdown on
opteron64 bit when gprof reads the executable. Adding -gstab1 then
--- Additional Comments From dirkjan at magma-da dot com 2006-04-04 07:05
---
(In reply to comment #2)
> Can you attach some example binaries, please? It does not make sense that
> x86-64 binaries produced by a modern version of GCC would produce stabs
> debugging info. I sus
--- Additional Comments From dirkjan at magma-da dot com 2006-02-14 08:15
---
running gprof on a large executable takes 10 to 20 times longer on a 64bit
executable then on a 32bit executable. the 32bit is build on rh72 with gcc3.2.3
the 64bit on rhel3 with gcc3.2.3. The issue is even in
ReportedBy: dirkjan at magma-da dot com
CC: bug-binutils at gnu dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=2335
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