starlingx/ansible-playbooks
Code Issues Proposed changes

Introduce PM QoS cpu latency manager for kubelet

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This creates a daemon 'pm-qos-mgr' that monitors kubelet cpu-manager
static cpu assignments and modifies PM QoS CPU wakeup latency to
govern the C-states per CPU.

Guaranteed pods with exclusive CPUs get "low" cpu wakeup latency
policy (the c-state is capped at C1).

Remaining pods (i.e., with default CPUs) get "high" cpu wakeup latency
policy, so the cpu may go into higher c-state if idle.

Change-Id: I8470217dc53b6a7912b5023d8c0b04d966357222
Closes-Bug: 1830545
Signed-off-by: Jim Gauld <james.gauld@windriver.com>
This commit is contained in:
Jim Gauld 2019-05-28 16:34:12 -04:00
parent 9c351cd256
commit 19cf56ae1c
2 changed files with 4 additions and 0 deletions
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3
centos_iso_image.inc
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@ -43,3 +43,6 @@ playbookconfig
# Platform helm charts # Platform helm charts
stx-platform-helm stx-platform-helm
# PM QoS cpu latency manager
pm-qos-mgr

1
centos_pkg_dirs
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@ -20,3 +20,4 @@ puppet-modules-wrs/puppet-smapi
puppet-modules-wrs/puppet-fm puppet-modules-wrs/puppet-fm
playbookconfig playbookconfig
puppet-modules-wrs/puppet-dcdbsync puppet-modules-wrs/puppet-dcdbsync
pm-qos-mgr