kvm: fix wrong VM CPU usage

[ustcweizhou]

Description

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

Screenshots (if appropriate):

How Has This Been Tested?

[DaanHoogland]

@blueorangutan package

[blueorangutan]

@DaanHoogland a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✖centos7 ✖centos8 ✖debian. JID-2130

[blueorangutan]

Packaging result: ✔centos7 ✖centos8 ✔debian. JID-2136

[blueorangutan]

Packaging result: ✔centos7 ✖centos8 ✔debian. JID-2146

[blueorangutan]

Packaging result: ✔centos7 ✖centos8 ✔debian. JID-2148

[sureshanaparti]

Changes LGTM, info.nrVirtCpu is the actual VM's CPU count, which is already set in the stats, and the same is used for usage calc.

[blueorangutan]

Packaging result: ✔centos7 ✖centos8 ✔debian. JID-2150

[rohityadavcloud]

@blueorangutan test

[blueorangutan]

@rhtyd a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[shwstppr]

lgtm

[blueorangutan]

Trillian test result (tid-2944)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 35366 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr4381-t2944-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_vpc_redundant.py
Smoke tests completed. 82 look OK, 1 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File
test_03_create_redundant_VPC_1tier_2VMs_2IPs_2PF_ACL_reboot_routers	Failure	370.71	test_vpc_redundant.py