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Bug 1333196

Summary: CPU isolated thread policy is not working properly.
Product: Red Hat OpenStack Reporter: Stephen Gordon <sgordon>
Component: openstack-novaAssignee: Eoghan Glynn <eglynn>
Status: CLOSED DUPLICATE QA Contact: Prasanth Anbalagan <panbalag>
Severity: high Docs Contact:
Priority: unspecified    
Version: 9.0 (Mitaka)CC: berrange, dasmith, eglynn, kchamart, nlevinki, panbalag, rnoriega, sbauza, sferdjao, sgordon, srevivo, vromanso
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1332907 Environment:
Last Closed: 2016-05-05 17:52:53 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:
Bug Depends On: 1332907    
Bug Blocks: 1333195    

Description Stephen Gordon 2016-05-04 22:23:42 UTC 
+++ This bug was initially created as a clone of Bug #1332907 +++

Description of problem:

Isolated thread policy is not working properly according to documentation.

Version-Release number of selected component (if applicable):


How reproducible:

Highly

Steps to Reproduce:

 Check https://bugs.launchpad.net/nova-solver-scheduler/+bug/1578150

Actual results:

 Sibling threads are used when the correspondent thread is ocuppied by an isolated vCPU.

Expected results:

 Have one thread per core unused.

Additional info:

 Check https://bugs.launchpad.net/nova-solver-scheduler/+bug/1578150
Comment 1 Stephen Gordon 2016-05-05 17:52:53 UTC 

*** This bug has been marked as a duplicate of bug 1333195 ***