73 lines
2 KiB
Go
73 lines
2 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"sync"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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const schedulerSubsystem = "scheduler"
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var BindingSaturationReportInterval = 1 * time.Second
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var (
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E2eSchedulingLatency = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Subsystem: schedulerSubsystem,
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Name: "e2e_scheduling_latency_microseconds",
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Help: "E2e scheduling latency (scheduling algorithm + binding)",
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Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
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},
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)
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SchedulingAlgorithmLatency = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Subsystem: schedulerSubsystem,
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Name: "scheduling_algorithm_latency_microseconds",
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Help: "Scheduling algorithm latency",
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Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
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},
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)
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BindingLatency = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Subsystem: schedulerSubsystem,
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Name: "binding_latency_microseconds",
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Help: "Binding latency",
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Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
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},
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)
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)
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var registerMetrics sync.Once
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// Register all metrics.
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func Register() {
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// Register the metrics.
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registerMetrics.Do(func() {
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prometheus.MustRegister(E2eSchedulingLatency)
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prometheus.MustRegister(SchedulingAlgorithmLatency)
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prometheus.MustRegister(BindingLatency)
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})
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}
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// Gets the time since the specified start in microseconds.
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func SinceInMicroseconds(start time.Time) float64 {
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return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
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}
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