Bug 972677

Summary:	Fix C++ performance regression
Product:	Red Hat Developer Toolset	Reporter:	Jan Kratochvil <jan.kratochvil>
Component:	gdb	Assignee:	Jan Kratochvil <jan.kratochvil>
Status:	CLOSED ERRATA	QA Contact:	Miroslav Franc <mfranc>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	DTS 2.0 RHEL 6	CC:	jan.kratochvil, mcermak, mfranc, ohudlick
Target Milestone:	beta2
Target Release:	2.0
Hardware:	Unspecified
OS:	Linux
Whiteboard:
Fixed In Version:	devtoolset-2-gdb-7.6-32.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-09-10 06:35:50 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jan Kratochvil 2013-06-10 11:55:53 UTC

Description of problem:
Upstream reports up to 96x slower GDB-7.6 (DTS-2.0) over GDB-7.5 (DTS-1.1).

Version-Release number of selected component (if applicable):
gdb-7.6-31.fc19

How reproducible:
I have not tried to reproduce it.

Steps to Reproduce:
N/A

Additional info:
QA: Expecting it is enough to test it has no known functionality regressions.

GDB 7.6 is 94x slower than GDB 7.5.1 using a certain core file
http://sourceware.org/bugzilla/show_bug.cgi?id=15519
[patch] Improve symbol lookup performance noted in PR 15519
http://sourceware.org/ml/gdb-patches/2013-05/msg01097.html
http://sourceware.org/ml/gdb-patches/2013-06/msg00003.html
[GDB 7.6/GCC 4.8.0] Slowdown in GDB macro processing for cores?
http://sourceware.org/ml/gdb/2013-05/msg00074.html

Comment 4 errata-xmlrpc 2013-09-10 06:35:50 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHEA-2013-1223.html