代码拉取完成,页面将自动刷新
/*
Copyright 2016 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 workqueue
import (
"time"
"github.com/prometheus/client_golang/prometheus"
)
type queueMetrics interface {
add(item t)
get(item t)
done(item t)
}
type defaultQueueMetrics struct {
depth prometheus.Gauge
adds prometheus.Counter
latency prometheus.Summary
workDuration prometheus.Summary
addTimes map[t]time.Time
processingStartTimes map[t]time.Time
}
func newQueueMetrics(name string) queueMetrics {
var ret *defaultQueueMetrics
if len(name) == 0 {
return ret
}
ret = &defaultQueueMetrics{
depth: prometheus.NewGauge(prometheus.GaugeOpts{
Subsystem: name,
Name: "depth",
Help: "Current depth of workqueue: " + name,
}),
adds: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: name,
Name: "adds",
Help: "Total number of adds handled by workqueue: " + name,
}),
latency: prometheus.NewSummary(prometheus.SummaryOpts{
Subsystem: name,
Name: "queue_latency",
Help: "How long an item stays in workqueue" + name + " before being requested.",
}),
workDuration: prometheus.NewSummary(prometheus.SummaryOpts{
Subsystem: name,
Name: "work_duration",
Help: "How long processing an item from workqueue" + name + " takes.",
}),
addTimes: map[t]time.Time{},
processingStartTimes: map[t]time.Time{},
}
prometheus.Register(ret.depth)
prometheus.Register(ret.adds)
prometheus.Register(ret.latency)
prometheus.Register(ret.workDuration)
return ret
}
func (m *defaultQueueMetrics) add(item t) {
if m == nil {
return
}
m.adds.Inc()
m.depth.Inc()
if _, exists := m.addTimes[item]; !exists {
m.addTimes[item] = time.Now()
}
}
func (m *defaultQueueMetrics) get(item t) {
if m == nil {
return
}
m.depth.Dec()
m.processingStartTimes[item] = time.Now()
if startTime, exists := m.addTimes[item]; exists {
m.latency.Observe(sinceInMicroseconds(startTime))
delete(m.addTimes, item)
}
}
func (m *defaultQueueMetrics) done(item t) {
if m == nil {
return
}
if startTime, exists := m.processingStartTimes[item]; exists {
m.workDuration.Observe(sinceInMicroseconds(startTime))
delete(m.processingStartTimes, item)
}
}
// Gets the time since the specified start in microseconds.
func sinceInMicroseconds(start time.Time) float64 {
return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
}
type retryMetrics interface {
retry()
}
type defaultRetryMetrics struct {
retries prometheus.Counter
}
func newRetryMetrics(name string) retryMetrics {
var ret *defaultRetryMetrics
if len(name) == 0 {
return ret
}
ret = &defaultRetryMetrics{
retries: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: name,
Name: "retries",
Help: "Total number of retries handled by workqueue: " + name,
}),
}
prometheus.Register(ret.retries)
return ret
}
func (m *defaultRetryMetrics) retry() {
if m == nil {
return
}
m.retries.Inc()
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。