Bug 676948 - [RFE][6.1] sched: Try not to migrate higher priority RT tasks
Summary: [RFE][6.1] sched: Try not to migrate higher priority RT tasks
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.2
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Larry Woodman
QA Contact: Zhang Kexin
URL:
Whiteboard:
Depends On:
Blocks: 627601
TreeView+ depends on / blocked
 
Reported: 2011-02-12 00:03 UTC by Jeremy Eder
Modified: 2018-11-14 14:33 UTC (History)
7 users (show)

Fixed In Version: kernel-2.6.32-128.el6
Doc Type: Enhancement
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-05-23 20:39:24 UTC
Target Upstream Version:

Attachments (Terms of Use)
kernelsharp for 12 threads on 8cpu with 125 kernel (155.10 KB, image/png)
2011-04-15 10:25 UTC, Zhang Kexin 		no flags Details
kernelsharp for 12 threads on 8cpu with 130 kernel (141.12 KB, image/png)
2011-04-15 10:25 UTC, Zhang Kexin 		no flags Details
kernelsharp for 16 threads on 8cpu with 125 kernel (146.37 KB, image/png)
2011-04-15 10:26 UTC, Zhang Kexin 		no flags Details
kernelsharp for 16 threads on 8cpu with 130 kernel (148.67 KB, image/png)
2011-04-15 10:27 UTC, Zhang Kexin 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:0542 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update 2011-05-19 11:58:07 UTC

Comment 3 Larry Woodman 2011-03-19 04:46:35 UTC 
Built & tested a kernel.  Its located in barstool.build:/mnt/redhat/brewroot/scratch/lwoodman/task_3188439/.  Please try it out and let me know if it works ASAP so I get into RHEL6.U1.

Larry Woodman
Comment 10 Aristeu Rozanski 2011-03-30 14:23:54 UTC 
Patch(es) available on kernel-2.6.32-128.el6
Comment 15 Zhang Kexin 2011-04-15 10:25:17 UTC 
Created attachment 492328 [details]
kernelsharp for 12 threads on 8cpu with 125 kernel
Comment 16 Zhang Kexin 2011-04-15 10:25:58 UTC 
Created attachment 492329 [details]
kernelsharp for 12 threads on 8cpu with 130 kernel
Comment 17 Zhang Kexin 2011-04-15 10:26:34 UTC 
Created attachment 492330 [details]
kernelsharp for 16 threads on 8cpu with 125 kernel
Comment 18 Zhang Kexin 2011-04-15 10:27:06 UTC 
Created attachment 492331 [details]
kernelsharp for 16 threads on 8cpu with 130 kernel
Comment 21 errata-xmlrpc 2011-05-23 20:39:24 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0542.html
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