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Index ¶
Constants ¶
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const ( // SchedulerSubsystem - subsystem name used by scheduler SchedulerSubsystem = "scheduler" // SchedulingLatencyName - scheduler latency metric name SchedulingLatencyName = "scheduling_latency_seconds" // OperationLabel - operation label name OperationLabel = "operation" // PredicateEvaluation - predicate evaluation operation label value PredicateEvaluation = "predicate_evaluation" // PriorityEvaluation - priority evaluation operation label value PriorityEvaluation = "priority_evaluation" // PreemptionEvaluation - preemption evaluation operation label value (occurs in case of scheduling fitError). PreemptionEvaluation = "preemption_evaluation" // Binding - binding operation label value Binding = "binding" )
Variables ¶
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var ( SchedulingLatency = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: SchedulerSubsystem, Name: SchedulingLatencyName, Help: "Scheduling latency in seconds split by sub-parts of the scheduling operation", MaxAge: 5 * time.Hour, }, []string{OperationLabel}, ) E2eSchedulingLatency = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "e2e_scheduling_latency_microseconds", Help: "E2e scheduling latency (scheduling algorithm + binding)", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) SchedulingAlgorithmLatency = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "scheduling_algorithm_latency_microseconds", Help: "Scheduling algorithm latency", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) SchedulingAlgorithmPredicateEvaluationDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "scheduling_algorithm_predicate_evaluation", Help: "Scheduling algorithm predicate evaluation duration", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) SchedulingAlgorithmPriorityEvaluationDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "scheduling_algorithm_priority_evaluation", Help: "Scheduling algorithm priority evaluation duration", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) SchedulingAlgorithmPremptionEvaluationDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "scheduling_algorithm_preemption_evaluation", Help: "Scheduling algorithm preemption evaluation duration", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) BindingLatency = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: SchedulerSubsystem, Name: "binding_latency_microseconds", Help: "Binding latency", Buckets: prometheus.ExponentialBuckets(1000, 2, 15), }, ) PreemptionVictims = prometheus.NewGauge( prometheus.GaugeOpts{ Subsystem: SchedulerSubsystem, Name: "pod_preemption_victims", Help: "Number of selected preemption victims", }) PreemptionAttempts = prometheus.NewCounter( prometheus.CounterOpts{ Subsystem: SchedulerSubsystem, Name: "total_preemption_attempts", Help: "Total preemption attempts in the cluster till now", }) EquivalenceCacheHits = equivalenceCacheLookups.With(prometheus.Labels{"result": "hit"}) EquivalenceCacheMisses = equivalenceCacheLookups.With(prometheus.Labels{"result": "miss"}) EquivalenceCacheWrites = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: SchedulerSubsystem, Name: "equiv_cache_writes", Help: "Total number of equivalence cache writes, by result", }, []string{"result"}) )
All the histogram based metrics have 1ms as size for the smallest bucket.
Functions ¶
func SinceInMicroseconds ¶
SinceInMicroseconds gets the time since the specified start in microseconds.
func SinceInSeconds ¶ added in v1.11.7
SinceInSeconds gets the time since the specified start in seconds.
Types ¶
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