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node: cpu-mgr: Add logs when CPU allocation is skipped

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CPU Allocation is skipped in CPU Manager with static policy
in case the pod doesn't belong to Guaranteed QoS or the CPUs
requested are not integral.

We add logs to capture these skips.

Signed-off-by: Swati Sehgal <swsehgal@redhat.com>
This commit is contained in:
Swati Sehgal 2025-01-17 13:02:15 +00:00
parent 01a546fe53
commit ca2c46a273
1 changed files with 6 additions and 2 deletions
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8
pkg/kubelet/cm/cpumanager/policy_static.go
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@ -456,7 +456,9 @@ func (p *staticPolicy) allocateCPUs(s state.State, numCPUs int, numaAffinity bit
}
func (p *staticPolicy) guaranteedCPUs(pod *v1.Pod, container *v1.Container) int {
if v1qos.GetPodQOS(pod) != v1.PodQOSGuaranteed {
qos := v1qos.GetPodQOS(pod)
if qos != v1.PodQOSGuaranteed {
klog.V(5).InfoS("Exclusive CPU allocation skipped, pod QoS is not guaranteed", "pod", klog.KObj(pod), "containerName", container.Name, "qos", qos)
return 0
}
cpuQuantity := container.Resources.Requests[v1.ResourceCPU]
@ -469,7 +471,9 @@ func (p *staticPolicy) guaranteedCPUs(pod *v1.Pod, container *v1.Container) int
cpuQuantity = cs.AllocatedResources[v1.ResourceCPU]
}
}
if cpuQuantity.Value()*1000 != cpuQuantity.MilliValue() {
cpuValue := cpuQuantity.Value()
if cpuValue*1000 != cpuQuantity.MilliValue() {
klog.V(5).InfoS("Exclusive CPU allocation skipped, pod is not requesting integral CPUs", "pod", klog.KObj(pod), "containerName", container.Name, "cpu", cpuValue)
return 0
}
// Safe downcast to do for all systems with < 2.1 billion CPUs.