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This commit is contained in:
Tim St. Clair 2015-12-16 15:44:07 -08:00
parent ce20c3b100
commit e1fc2c1152
1 changed files with 18 additions and 7 deletions
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25
pkg/kubelet/server/stats/types.go
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@ -35,12 +35,20 @@ type NodeStats struct {
NodeName string `json:"nodeName"` NodeName string `json:"nodeName"`
// Overall node stats. // Overall node stats.
Total []NodeSample `json:"total,omitempty" patchStrategy:"merge" patchMergeKey:"sampleTime"` Total []NodeSample `json:"total,omitempty" patchStrategy:"merge" patchMergeKey:"sampleTime"`
// Stats of system daemons tracked as raw containers, which may include: // Stats of system daemons tracked as raw containers.
// "/kubelet", "/docker-daemon", "kube-proxy" - Tracks respective component stats // The system containers are named according to the SystemContainer* constants.
// "/system" - Tracks stats of non-kubernetes and non-kernel processes (grouped together)
SystemContainers []ContainerStats `json:"systemContainers,omitempty" patchStrategy:"merge" patchMergeKey:"name"` SystemContainers []ContainerStats `json:"systemContainers,omitempty" patchStrategy:"merge" patchMergeKey:"name"`
} }
const (
// Container name for the system container tracking Kubelet usage.
SystemContainerKubelet = "/kubelet"
// Container name for the system container tracking the runtime (e.g. docker or rkt) usage.
SystemContainerRuntime = "/runtime"
// Container name for the system container tracking non-kubernetes processes.
SystemContainerMisc = "/misc"
)
// PodStats holds pod-level unprocessed sample stats. // PodStats holds pod-level unprocessed sample stats.
type PodStats struct { type PodStats struct {
// Reference to the measured Pod. // Reference to the measured Pod.
@ -119,16 +127,18 @@ type NetworkStats struct {
type CPUStats struct { type CPUStats struct {
// Total CPU usage (sum of all cores) averaged over the sample window. // Total CPU usage (sum of all cores) averaged over the sample window.
// The "core" unit can be interpreted as CPU core-seconds per second. // The "core" unit can be interpreted as CPU core-seconds per second.
UsageCores *resource.Quantity `json:"totalCores,omitempty"` UsageCores *resource.Quantity `json:"usageCores,omitempty"`
// Cumulative CPU usage (sum of all cores) since object creation.
UsageCoreSeconds *resource.Quantity `json:"usageCoreSeconds,omitempty"`
} }
// MemoryStats contains data about memory usage. // MemoryStats contains data about memory usage.
type MemoryStats struct { type MemoryStats struct {
// Total memory in use. This includes all memory regardless of when it was accessed. // Total memory in use. This includes all memory regardless of when it was accessed.
UsageBytes *resource.Quantity `json:"totalBytes,omitempty"` UsageBytes *resource.Quantity `json:"usageBytes,omitempty"`
// The amount of working set memory. This includes recently accessed memory, // The amount of working set memory. This includes recently accessed memory,
// dirty memory, and kernel memory. UsageBytes is <= TotalBytes. // dirty memory, and kernel memory. UsageBytes is <= TotalBytes.
WorkingSetBytes *resource.Quantity `json:"usageBytes,omitempty"` WorkingSetBytes *resource.Quantity `json:"workingSetBytes,omitempty"`
// Cumulative number of minor page faults. // Cumulative number of minor page faults.
PageFaults *int64 `json:"pageFaults,omitempty"` PageFaults *int64 `json:"pageFaults,omitempty"`
// Cumulative number of major page faults. // Cumulative number of major page faults.
@ -153,6 +163,7 @@ type StatsOptions struct {
// Only include samples with sampleTime less recent than this time. // Only include samples with sampleTime less recent than this time.
UntilTime *unversioned.Time `json:"untilTime,omitempty"` UntilTime *unversioned.Time `json:"untilTime,omitempty"`
// Specifies the maximum number of elements in any list of samples. // Specifies the maximum number of elements in any list of samples.
// When the total number of samples exceeds the maximum the most recent samples are returned. // When the total number of samples exceeds the maximum the most recent MaxSamples samples are
// returned.
MaxSamples int `json:"maxSamples,omitempty"` MaxSamples int `json:"maxSamples,omitempty"`
} }