Bug 972677 - Fix C++ performance regression
Summary: Fix C++ performance regression
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Developer Toolset
Classification: Red Hat
Component: gdb
Version: DTS 2.0 RHEL 6
Hardware: Unspecified
OS: Linux
unspecified
unspecified
Target Milestone: beta2
: 2.0
Assignee: Jan Kratochvil
QA Contact: Miroslav Franc
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-06-10 11:55 UTC by Jan Kratochvil
Modified: 2016-02-01 02:28 UTC (History)
4 users (show)

Fixed In Version: devtoolset-2-gdb-7.6-32.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-09-10 06:35:50 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHEA-2013:1223 0 normal SHIPPED_LIVE new packages: devtoolset-2-gdb 2013-09-10 19:19:58 UTC

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


Note You need to log in before you can comment on or make changes to this bug.