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Bug 497184 - [LTC 6.0 FEAT] Task consolidation across nodes for single board NUMA machines [201927]
Summary: [LTC 6.0 FEAT] Task consolidation across nodes for single board NUMA machines...
Keywords:
Status: CLOSED DEFERRED
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.0
Hardware: All
OS: All
low
high
Target Milestone: rc
: 6.0
Assignee: John Feeney
QA Contact: Martin Jenner
URL:
Whiteboard:
Depends On:
Blocks: 356741 525727
TreeView+ depends on / blocked
 
Reported: 2009-04-22 17:40 UTC by IBM Bug Proxy
Modified: 2013-01-10 07:11 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Enhancement
Doc Text:
Clone Of:
Environment:
Last Closed: 2009-09-30 19:10:35 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
IBM Linux Technology Center 52946 0 None None None Never

Description IBM Bug Proxy 2009-04-22 17:40:43 UTC
=Comment: #0=================================================
Emily J. Ratliff <ratliff.com> - 
1. Feature Overview:
Feature Id:	[201927]
a. Name of Feature:	Task consolidation across nodes for single board NUMA machines
b. Feature Description
This patch series that extends the existing sched_smt_/mc_power_savings framework to work on
platforms that have on-chip memory controllers making each of the cpu-package a 'node'.  This
applies to Nehalem based hardware architectures.

2. Feature Details:
Sponsor:	Linux Systems Tech
Architectures:
x86_64
ppc64

Arch Specificity: Purely Common Code
Affects Core Kernel: Yes
Delivery Mechanism: Direct from community
Category:	Kernel
Request Type:	Kernel - Enhancement from Upstream
d. Upstream Acceptance:	Submitted
Sponsor Priority	1
f. Severity: High
IBM Confidential:	no
Code Contribution:	IBM code
g. Component Version Target:	Patch and discussions: (Version 3)
 http://lkml.org/lkml/2009/3/6/23

3. Business Case
To improve energy management on numa systems

4. Primary contact at Red Hat: 
John Jarvis
jjarvis

5. Primary contacts at Partner:
Project Management Contact:
Stephanie Glass, sglass.com, 512-838-9284

Technical contact(s):

Vaidyanathan Srinivasan, svaidyan.com

IBM Manager:
Jeffrey Heroux, heroux.com

Comment 1 IBM Bug Proxy 2009-05-20 06:21:08 UTC
------- Comment From svaidyan.com 2009-05-20 02:11 EDT-------
Code posted and reviewed in LKML

http://lwn.net/Articles/322403/

Comment 2 Matthew Garrett 2009-09-15 13:55:05 UTC
There doesn't appear to have been any discussion of the patches since March, and they're not upstream yet. Does IBM plan to push these?

Comment 3 IBM Bug Proxy 2009-09-30 18:51:19 UTC
------- Comment From sglass.com 2009-09-30 14:46 EDT-------
Since we have been able to get these patches upstream, deferring to RHEL 6.1

Comment 4 John Jarvis 2009-09-30 19:10:35 UTC
Setting as CLOSED DEFERRED to match IBM status.


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