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Type:
Bug
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Status: Resolved
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Priority:
Normal
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Resolution: Fixed
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Affects Version/s: FACT 3.6.9
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Fix Version/s: FACT 3.13.5, FACT 3.11.11, FACT 3.14.7
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Component/s: None
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Labels:
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Environment:
Linux debian jessie 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux
puppet-agent 1.10.10-1jessie
facter 3.6.9
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Template:customfield_10700 237834
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Team:Night's Watch
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Story Points:3
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Sprint:2019-12-11, 2019-12-24
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Method Found:Needs Assessment
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Release Notes:Bug Fix
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Release Notes Summary:Facter incorrectly reported disabled CPU cores as physical CPU cores. Now, Facter correctly reports physical and logical CPUs and ignores disabled CPUs.
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QA Risk Assessment:Needs Assessment
Facter does count offline cpus as physical cpus in addition to the real sockets. To see this behaviour log on to a machine with 2 physical cpus and start disabling single logical cores like
echo "0" > /sys/devices/system/cpu/cpu19/online
With every disabled core, the physical cpu count reported by facter is incremented. This seems to be caused by the id.empty() condition in processor_resolver::compute_cpu_counts.
The code retrieves the id from .../topology/physical_package_id which is missing if a core is disabled, leading to an empty id.
