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API definition for PSI metrics 

Kubernetes-commit: c7fc9d5f91aed676dcae15679eca42b646302377
This commit is contained in:
Haowei Cai 2025-03-20 19:25:38 +00:00 committed by Kubernetes Publisher
parent cd9f99aa1a
commit f5162a40ca
1 changed files with 45 additions and 0 deletions
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45
pkg/apis/stats/v1alpha1/types.go
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@ -46,6 +46,9 @@ type NodeStats struct {
// Stats pertaining to memory (RAM) resources.
// +optional
Memory *MemoryStats `json:"memory,omitempty"`
// Stats pertaining to IO resources.
// +optional
IO *IOStats `json:"io,omitempty"`
// Stats pertaining to network resources.
// +optional
Network *NetworkStats `json:"network,omitempty"`
@ -127,6 +130,9 @@ type PodStats struct {
// Stats pertaining to memory (RAM) resources consumed by pod cgroup (which includes all containers' resource usage and pod overhead).
// +optional
Memory *MemoryStats `json:"memory,omitempty"`
// Stats pertaining to IO resources consumed by pod cgroup (which includes all containers' resource usage and pod overhead).
// +optional
IO *IOStats `json:"io,omitempty"`
// Stats pertaining to network resources.
// +optional
Network *NetworkStats `json:"network,omitempty"`
@ -159,6 +165,9 @@ type ContainerStats struct {
// Stats pertaining to memory (RAM) resources.
// +optional
Memory *MemoryStats `json:"memory,omitempty"`
// Stats pertaining to IO resources.
// +optional
IO *IOStats `json:"io,omitempty"`
// Metrics for Accelerators. Each Accelerator corresponds to one element in the array.
Accelerators []AcceleratorStats `json:"accelerators,omitempty"`
// Stats pertaining to container rootfs usage of filesystem resources.
@ -225,6 +234,9 @@ type CPUStats struct {
// Cumulative CPU usage (sum of all cores) since object creation.
// +optional
UsageCoreNanoSeconds *uint64 `json:"usageCoreNanoSeconds,omitempty"`
// CPU PSI stats.
// +optional
PSI *PSIStats `json:"psi,omitempty"`
}
// MemoryStats contains data about memory usage.
@ -252,6 +264,39 @@ type MemoryStats struct {
// Cumulative number of major page faults.
// +optional
MajorPageFaults *uint64 `json:"majorPageFaults,omitempty"`
// Memory PSI stats.
// +optional
PSI *PSIStats `json:"psi,omitempty"`
}
// IOStats contains data about IO usage.
type IOStats struct {
// The time at which these stats were updated.
Time metav1.Time `json:"time"`
// IO PSI stats.
// +optional
PSI *PSIStats `json:"psi,omitempty"`
}
// PSI statistics for an individual resource.
type PSIStats struct {
// PSI data for all tasks in the cgroup.
Full PSIData `json:"full"`
// PSI data for some tasks in the cgroup.
Some PSIData `json:"some"`
}
// PSI data for an individual resource.
type PSIData struct {
// Total time duration for tasks in the cgroup have waited due to congestion.
// Unit: nanoseconds.
Total uint64 `json:"total"`
// The average (in %) tasks have waited due to congestion over a 10 second window.
Avg10 float64 `json:"avg10"`
// The average (in %) tasks have waited due to congestion over a 60 second window.
Avg60 float64 `json:"avg60"`
// The average (in %) tasks have waited due to congestion over a 300 second window.
Avg300 float64 `json:"avg300"`
}
// SwapStats contains data about memory usage