1 Star 0 Fork 0

zhuchance / kubernetes

加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
克隆/下载
timer.go 3.56 KB
一键复制 编辑 原始数据 按行查看 历史
/*
Copyright 2017 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 timer
import (
"time"
"bytes"
"fmt"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/perftype"
"sync"
)
var now = time.Now
// Phase represents a phase of a test. Phases can overlap.
type Phase struct {
sequenceNumber int
name string
startTime time.Time
endTime time.Time
}
func (phase *Phase) ended() bool {
return !phase.endTime.IsZero()
}
// End marks the phase as ended, unless it had already been ended before.
func (phase *Phase) End() {
if !phase.ended() {
phase.endTime = now()
}
}
func (phase *Phase) label() string {
return fmt.Sprintf("%03d-%s", phase.sequenceNumber, phase.name)
}
func (phase *Phase) duration() time.Duration {
endTime := phase.endTime
if !phase.ended() {
endTime = now()
}
return endTime.Sub(phase.startTime)
}
func (phase *Phase) humanReadable() string {
if phase.ended() {
return fmt.Sprintf("Phase %s: %v\n", phase.label(), phase.duration())
}
return fmt.Sprintf("Phase %s: %v so far\n", phase.label(), phase.duration())
}
// A TestPhaseTimer groups phases and provides a way to export their measurements as JSON or human-readable text.
// It is safe to use concurrently.
type TestPhaseTimer struct {
lock sync.Mutex
phases []*Phase
}
// NewTestPhaseTimer creates a new TestPhaseTimer.
func NewTestPhaseTimer() *TestPhaseTimer {
return &TestPhaseTimer{}
}
// StartPhase starts a new phase.
// sequenceNumber is an integer prepended to phaseName in the output, such that lexicographic sorting
// of phases in perfdash reconstructs the order of execution. Unfortunately it needs to be
// provided manually, since a simple incrementing counter would have the effect that inserting
// a new phase would renumber subsequent phases, breaking the continuity of historical records.
func (timer *TestPhaseTimer) StartPhase(sequenceNumber int, phaseName string) *Phase {
timer.lock.Lock()
defer timer.lock.Unlock()
newPhase := &Phase{sequenceNumber: sequenceNumber, name: phaseName, startTime: now()}
timer.phases = append(timer.phases, newPhase)
return newPhase
}
// SummaryKind returns the summary of test summary.
func (timer *TestPhaseTimer) SummaryKind() string {
return "TestPhaseTimer"
}
// PrintHumanReadable returns durations of all phases.
func (timer *TestPhaseTimer) PrintHumanReadable() string {
buf := bytes.Buffer{}
timer.lock.Lock()
defer timer.lock.Unlock()
for _, phase := range timer.phases {
buf.WriteString(phase.humanReadable())
}
return buf.String()
}
// PrintJSON returns durations of all phases with JSON format.
func (timer *TestPhaseTimer) PrintJSON() string {
data := perftype.PerfData{
Version: "v1",
DataItems: []perftype.DataItem{{
Unit: "s",
Labels: map[string]string{"test": "phases"},
Data: make(map[string]float64)}}}
timer.lock.Lock()
defer timer.lock.Unlock()
for _, phase := range timer.phases {
data.DataItems[0].Data[phase.label()] = phase.duration().Seconds()
if !phase.ended() {
data.DataItems[0].Labels["ended"] = "false"
}
}
return framework.PrettyPrintJSON(data)
}
Go
1
https://gitee.com/meoom/kubernetes.git
git@gitee.com:meoom/kubernetes.git
meoom
kubernetes
kubernetes
v1.14.0

搜索帮助