Change in vdsm[master]: host stats: Collect stats from online cpu cores only

rmohr at redhat.com rmohr at redhat.com
Tue Feb 2 08:40:25 UTC 2016


Roman Mohr has posted comments on this change.

Change subject: host stats: Collect stats from online cpu cores only
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Patch Set 16:

> Also tested it on ppc and it is definitely somewhat better than
 > before, consider that +0.5v. On the other hand, I'm interested in
 > something beyond this and that is CPU onlining - new CPUs aren't
 > really added afaik. How is the libvirt support at this point?
Libvirt currently only sees onlining and offlining when the CPU was online when libvirtd was started (on x86 systems, not sure about ppc). I will ask them again if they plan to fix that.
 > Do we have some plans beyond just this bugfix?
I have some plans regarding to an udev monitor which notifies the engine when a cpu goes offline and online. First draft is here: https://gerrit.ovirt.org/#/c/47729/ but that is also only a partial improvement.

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Gerrit-MessageType: comment
Gerrit-Change-Id: Ia9c247f9138e02a9230a0849a04cb2e1705e7fac
Gerrit-PatchSet: 16
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Roman Mohr <rmohr at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Martin Polednik <mpolednik at redhat.com>
Gerrit-Reviewer: Martin Sivák <msivak at redhat.com>
Gerrit-Reviewer: Milan Zamazal <mzamazal at redhat.com>
Gerrit-Reviewer: Nir Soffer <nsoffer at redhat.com>
Gerrit-Reviewer: Omer Frenkel <d.mosquito at gmail.com>
Gerrit-Reviewer: Roman Mohr <rmohr at redhat.com>
Gerrit-Reviewer: Roy Golan <rgolan at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>
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