mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-14 02:10:21 +00:00
114 lines
3.8 KiB
Go
114 lines
3.8 KiB
Go
/*
|
|
Copyright 2015 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
const schedulerSubsystem = "scheduler"
|
|
|
|
// All the histogram based metrics have 1ms as size for the smallest bucket.
|
|
var (
|
|
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",
|
|
})
|
|
)
|
|
|
|
var registerMetrics sync.Once
|
|
|
|
// Register all metrics.
|
|
func Register() {
|
|
// Register the metrics.
|
|
registerMetrics.Do(func() {
|
|
prometheus.MustRegister(E2eSchedulingLatency)
|
|
prometheus.MustRegister(SchedulingAlgorithmLatency)
|
|
prometheus.MustRegister(BindingLatency)
|
|
|
|
prometheus.MustRegister(SchedulingAlgorithmPredicateEvaluationDuration)
|
|
prometheus.MustRegister(SchedulingAlgorithmPriorityEvaluationDuration)
|
|
prometheus.MustRegister(SchedulingAlgorithmPremptionEvaluationDuration)
|
|
prometheus.MustRegister(PreemptionVictims)
|
|
prometheus.MustRegister(PreemptionAttempts)
|
|
})
|
|
}
|
|
|
|
// SinceInMicroseconds gets the time since the specified start in microseconds.
|
|
func SinceInMicroseconds(start time.Time) float64 {
|
|
return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
|
|
}
|