Bug 128549

Summary:	xen lags of performance with tls enabled glibc
Product:	Gentoo Linux	Reporter:	Florian Manschwetus <manschwetus>
Component:	Current packages	Assignee:	Chris Bainbridge (RETIRED) <chrb>
Status:	RESOLVED CANTFIX
Severity:	normal	CC:	Tinitus1
Priority:	High
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Florian Manschwetus 2006-04-02 11:51:18 UTC

it is possible to get an system based solution for it?

Comment 1 Chris Bainbridge (RETIRED) gentoo-dev

2006-04-03 02:08:18 UTC

check http://gentoo-wiki.com/HOWTO_Xen_and_Gentoo - you can either get rid of /usr/lib/tls, or recompile your system with -mno-tls-direct-seg-refs

The problem is that Xen has to trap and emulate the direct segment references, which is slow. The gcc flag tells gcc not to use those operations.

Comment 2 Jakub Moc (RETIRED) gentoo-dev

2006-07-29 03:20:19 UTC

*** Bug 142072 has been marked as a duplicate of this bug. ***

Comment 3 Jakub Moc (RETIRED) gentoo-dev

2006-07-29 03:32:40 UTC

*** Bug 142072 has been marked as a duplicate of this bug. ***