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

rmohr at redhat.com rmohr at redhat.com
Thu Sep 17 16:11:54 UTC 2015


Roman Mohr has posted comments on this change.

Change subject: host stats: Collect stats from online cpu cores only
......................................................................


Patch Set 4:

(1 comment)

https://gerrit.ovirt.org/#/c/46269/4/vdsm/virt/sampling.py
File vdsm/virt/sampling.py:

Line 692:         cpu_cores = numa_node['cpus']
Line 693:         for cpu_core in cpu_cores:
Line 694:             # Do not try to collect cpu core data when no samples are present
Line 695:             if (not last_sample.cpuCores.getCoreSample(cpu_core) or not
Line 696:                     first_sample.cpuCores.getCoreSample(cpu_core)):
> Why not fix compute_cpu_usage to return -1 or 0 for an offline core?
Fixing compute_cpu_usage is fine for me too.

Returning nothing for an offline core, is what we already do when the core was already offline when vdsm started.
Line 697:                 continue
Line 698:             core_stat = {
Line 699:                 'nodeIndex': int(node_index),
Line 700:                 'cpuUser': compute_cpu_usage(cpu_core, 'user'),


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ia9c247f9138e02a9230a0849a04cb2e1705e7fac
Gerrit-PatchSet: 4
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Roman Mohr <rmohr at redhat.com>
Gerrit-Reviewer: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Nir Soffer <nsoffer at redhat.com>
Gerrit-Reviewer: Omer Frenkel <ofrenkel at redhat.com>
Gerrit-Reviewer: Roman Mohr <rmohr at redhat.com>
Gerrit-Reviewer: Roy Golan <rgolan at redhat.com>
Gerrit-Reviewer: automation at ovirt.org
Gerrit-HasComments: Yes


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