This is the mail archive of the
gdb@sourceware.org
mailing list for the GDB project.
Re: [GDB 7.6/GCC 4.8.0] Slowdown in GDB macro processing for cores?
- From: Doug Evans <dje at google dot com>
- To: psmith at gnu dot org
- Cc: Tom Tromey <tromey at redhat dot com>, Pedro Alves <palves at redhat dot com>, gdb <gdb at sourceware dot org>
- Date: Wed, 22 May 2013 19:44:44 -0700
- Subject: Re: [GDB 7.6/GCC 4.8.0] Slowdown in GDB macro processing for cores?
- References: <1368733335 dot 4101 dot 743 dot camel at pdsdesk> <51960329 dot 2010802 at redhat dot com> <1369248335 dot 7209 dot 151 dot camel at homebase> <1369250399 dot 7209 dot 164 dot camel at homebase> <87wqqqg4e2 dot fsf at fleche dot redhat dot com> <1369264444 dot 7209 dot 184 dot camel at homebase>
On Wed, May 22, 2013 at 4:14 PM, Paul Smith <psmith@gnu.org> wrote:
> On Wed, 2013-05-22 at 14:12 -0600, Tom Tromey wrote:
> And the top 10 users in the slow instance:
>
> Each sample counts as 0.01 seconds.
> % cumulative self self total
> time seconds seconds calls ms/call ms/call name
> 23.99 14.26 14.26 69374700 0.00 0.00 lookup_partial_symbol
> 23.77 28.39 14.13 784950557 0.00 0.00 strcmp_iw
> 11.74 35.37 6.98 763482775 0.00 0.00 symbol_get_demangled_name
> 7.23 39.67 4.30 819480663 0.00 0.00 symbol_natural_name
> 7.22 43.96 4.29 373483 0.01 0.01 lookup_symbol_aux_psymtabs
> 5.60 47.29 3.33 777569558 0.00 0.00 symbol_matches_domain
> 4.98 50.25 2.96 819477261 0.00 0.00 symbol_search_name
> 2.46 51.71 1.46 34366788 0.00 0.00 strcmp_iw_ordered
> 1.51 52.61 0.90 4 225.00 225.00 fprintf_symbol_filtered
> 1.46 53.48 0.87 15316453 0.00 0.00 xstrdup
Looks rather familiar. :-)