qos

package
v0.5.2 Latest Latest
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Published: May 22, 2024 License: Apache-2.0 Imports: 6 Imported by: 6

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Constants

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const (
	IgnoreOOMPriorityScore                int = -300
	DefaultReclaimedCoresOOMPriorityScore int = -100
	DefaultSharedCoresOOMPriorityScore    int = 0
	DefaultDedicatedCoresOOMPriorityScore int = 100
	DefaultSystemCoresOOMPriorityScore    int = 200
	TopOOMPriorityScore                   int = 300
)

Variables

This section is empty.

Functions

func AlignOOMPriority added in v0.4.0

func AlignOOMPriority(qosLevel string, userSpecifiedScore *int) (oomPriorityScore int)

func AnnotationsIndicateNUMABinding added in v0.2.0

func AnnotationsIndicateNUMABinding(annotations map[string]string) bool

func AnnotationsIndicateNUMAExclusive added in v0.2.0

func AnnotationsIndicateNUMAExclusive(annotations map[string]string) bool

func GetOOMPriority added in v0.4.0

func GetOOMPriority(qosConf *generic.QoSConfiguration, pod *v1.Pod) (priority *int, invalid bool)

GetOOMPriority parse the user specified oom priority from memory enhancement annotation

func GetPodCPUSuppressionToleranceRate

func GetPodCPUSuppressionToleranceRate(qosConf *generic.QoSConfiguration, pod *v1.Pod) (float64, error)

GetPodCPUSuppressionToleranceRate parses cpu suppression tolerance rate for the given pod, and cpu suppression is only supported for reclaim pods. if the given is not nominated with cpu suppression, return max to indicate that it can be suppressed for any degree.

func GetPodNetClassID added in v0.2.0

func GetPodNetClassID(podAnnotations map[string]string, podLevelNetClassAnnoKey string) (bool, uint32, error)

GetPodNetClassID parses net class id for the given pod. if the given pod doesn't specify a class id, the first value returned will be false

func GetRSSOverUseEvictThreshold added in v0.2.0

func GetRSSOverUseEvictThreshold(qosConf *generic.QoSConfiguration, pod *v1.Pod) (threshold *float64, invalid bool)

GetRSSOverUseEvictThreshold parse the user specified threshold and checks if it's valid

func IsPodNumaBinding

func IsPodNumaBinding(qosConf *generic.QoSConfiguration, pod *v1.Pod) bool

IsPodNumaBinding checks whether the pod needs numa-binding

func IsPodNumaExclusive added in v0.3.0

func IsPodNumaExclusive(qosConf *generic.QoSConfiguration, pod *v1.Pod) bool

IsPodNumaExclusive checks whether the pod needs numa-exclusive

func ParseMemoryEnhancement added in v0.3.0

func ParseMemoryEnhancement(qosConf *generic.QoSConfiguration, pod *v1.Pod) map[string]string

Types

This section is empty.

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