218 lines
7.0 KiB
Go
218 lines
7.0 KiB
Go
// Package statistics 统计数据
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package statistics
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import (
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"fmt"
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"sort"
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"strings"
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"sync"
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"time"
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"go_dreamfactory/stress/tools"
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"golang.org/x/text/language"
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"golang.org/x/text/message"
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"go_dreamfactory/stress/model"
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)
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var (
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// 输出统计数据的时间
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exportStatisticsTime = 1 * time.Second
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p = message.NewPrinter(language.English)
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requestTimeList []uint64 // 所有请求响应时间
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)
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// ReceivingResults 接收结果并处理
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// 统计的时间都是纳秒，显示的时间 都是毫秒
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// concurrent 并发数
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func ReceivingResults(concurrent uint64, ch <-chan *model.RequestResults, wg *sync.WaitGroup) {
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defer func() {
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wg.Done()
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}()
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var stopChan = make(chan bool)
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// 时间
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var (
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processingTime uint64 // 处理总时间
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requestTime uint64 // 请求总时间
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maxTime uint64 // 最大时长
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minTime uint64 // 最小时长
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successNum uint64 // 成功处理数，code为0
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failureNum uint64 // 处理失败数，code不为0 0
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chanIDLen int // 并发数
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chanIDs = make(map[uint64]bool)
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receivedBytes int64
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mutex = sync.RWMutex{}
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)
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statTime := uint64(time.Now().UnixNano())
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// 错误码/错误个数
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var errCode = &sync.Map{}
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// 定时输出一次计算结果
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ticker := time.NewTicker(exportStatisticsTime)
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go func() {
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for {
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select {
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case <-ticker.C:
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endTime := uint64(time.Now().UnixNano())
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mutex.Lock()
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go calculateData(concurrent, processingTime, endTime-statTime, maxTime, minTime, successNum, failureNum,
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chanIDLen, errCode, receivedBytes)
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mutex.Unlock()
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case <-stopChan:
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// 处理完成
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return
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}
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}
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}()
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header()
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for data := range ch {
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mutex.Lock()
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// fmt.Println("处理一条数据", data.ID, data.Time, data.IsSucceed, data.ErrCode)
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processingTime = processingTime + data.Time
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if maxTime <= data.Time {
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maxTime = data.Time
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}
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if minTime == 0 {
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minTime = data.Time
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} else if minTime > data.Time {
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minTime = data.Time
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}
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// 是否请求成功
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if data.IsSucceed == true {
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successNum = successNum + 1
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} else {
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failureNum = failureNum + 1
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}
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// 统计错误码
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if value, ok := errCode.Load(data.ErrCode); ok {
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valueInt, _ := value.(int)
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errCode.Store(data.ErrCode, valueInt+1)
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} else {
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errCode.Store(data.ErrCode, 1)
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}
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receivedBytes += data.ReceivedBytes
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if _, ok := chanIDs[data.ChanID]; !ok {
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chanIDs[data.ChanID] = true
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chanIDLen = len(chanIDs)
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}
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requestTimeList = append(requestTimeList, data.Time)
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mutex.Unlock()
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}
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// 数据全部接受完成，停止定时输出统计数据
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stopChan <- true
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endTime := uint64(time.Now().UnixNano())
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requestTime = endTime - statTime
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calculateData(concurrent, processingTime, requestTime, maxTime, minTime, successNum, failureNum, chanIDLen, errCode,
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receivedBytes)
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fmt.Printf("\n\n")
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fmt.Println("************************* 结果 stat ****************************")
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fmt.Println("处理协程数量:", concurrent)
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// fmt.Println("处理协程数量:", concurrent, "程序处理总时长:", fmt.Sprintf("%.3f", float64(processingTime/concurrent)/1e9), "秒")
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fmt.Println("请求总数（并发数*请求数 -c * -n）:", successNum+failureNum, "总请求时间:",
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fmt.Sprintf("%.3f", float64(requestTime)/1e9),
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"秒", "successNum:", successNum, "failureNum:", failureNum)
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printTop(requestTimeList)
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fmt.Println("************************* 结果 end ****************************")
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fmt.Printf("\n\n")
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}
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// printTop 排序后计算 top 90 95 99
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func printTop(requestTimeList []uint64) {
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if requestTimeList == nil {
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return
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}
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all := tools.MyUint64List{}
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all = requestTimeList
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sort.Sort(all)
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fmt.Println("tp90:", fmt.Sprintf("%.3f", float64(all[int(float64(len(all))*0.90)]/1e6)))
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fmt.Println("tp95:", fmt.Sprintf("%.3f", float64(all[int(float64(len(all))*0.95)]/1e6)))
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fmt.Println("tp99:", fmt.Sprintf("%.3f", float64(all[int(float64(len(all))*0.99)]/1e6)))
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}
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// calculateData 计算数据
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func calculateData(concurrent, processingTime, requestTime, maxTime, minTime, successNum, failureNum uint64,
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chanIDLen int, errCode *sync.Map, receivedBytes int64) {
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if processingTime == 0 {
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processingTime = 1
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}
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var (
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qps float64
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averageTime float64
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maxTimeFloat float64
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minTimeFloat float64
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requestTimeFloat float64
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)
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// 平均 QPS 成功数*总协程数/总耗时 (每秒)
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if processingTime != 0 {
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qps = float64(successNum*1e9*concurrent) / float64(processingTime)
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}
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// 平均时长 总耗时/总请求数/并发数 纳秒=>毫秒
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if successNum != 0 && concurrent != 0 {
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averageTime = float64(processingTime) / float64(successNum*1e6)
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}
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// 纳秒=>毫秒
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maxTimeFloat = float64(maxTime) / 1e6
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minTimeFloat = float64(minTime) / 1e6
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requestTimeFloat = float64(requestTime) / 1e9
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// 打印的时长都为毫秒
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table(successNum, failureNum, errCode, qps, averageTime, maxTimeFloat, minTimeFloat, requestTimeFloat, chanIDLen,
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receivedBytes)
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}
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// header 打印表头信息
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func header() {
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fmt.Printf("\n\n")
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// 打印的时长都为毫秒 总请数
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fmt.Println("─────┬───────┬───────┬───────┬────────┬────────┬────────┬────────┬────────┬────────┬────────")
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fmt.Println(" 耗时│ 并发数│ 成功数│ 失败数│ qps │最长耗时│最短耗时│平均耗时│下载字节│字节每秒│ 状态码")
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fmt.Println("─────┼───────┼───────┼───────┼────────┼────────┼────────┼────────┼────────┼────────┼────────")
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return
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}
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// table 打印表格
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func table(successNum, failureNum uint64, errCode *sync.Map,
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qps, averageTime, maxTimeFloat, minTimeFloat, requestTimeFloat float64, chanIDLen int, receivedBytes int64) {
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var (
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speed int64
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)
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if requestTimeFloat > 0 {
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speed = int64(float64(receivedBytes) / requestTimeFloat)
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} else {
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speed = 0
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}
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var (
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receivedBytesStr string
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speedStr string
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)
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// 判断获取下载字节长度是否是未知
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if receivedBytes <= 0 {
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receivedBytesStr = ""
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speedStr = ""
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} else {
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receivedBytesStr = p.Sprintf("%d", receivedBytes)
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speedStr = p.Sprintf("%d", speed)
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}
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// 打印的时长都为毫秒
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result := fmt.Sprintf("%4.0fs│%7d│%7d│%7d│%8.2f│%8.2f│%8.2f│%8.2f│%8s│%8s│%v",
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requestTimeFloat, chanIDLen, successNum, failureNum, qps, maxTimeFloat, minTimeFloat, averageTime,
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receivedBytesStr, speedStr,
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printMap(errCode))
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fmt.Println(result)
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return
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}
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// printMap 输出错误码、次数 节约字符(终端一行字符大小有限)
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func printMap(errCode *sync.Map) (mapStr string) {
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var (
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mapArr []string
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)
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errCode.Range(func(key, value interface{}) bool {
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mapArr = append(mapArr, fmt.Sprintf("%v:%v", key, value))
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return true
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})
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sort.Strings(mapArr)
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mapStr = strings.Join(mapArr, ";")
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return
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}
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