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优化代码规范
This commit is contained in:
duanhf2012
@@ -2,100 +2,103 @@ package profiler
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import (
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"container/list"
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"fmt"
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"github.com/duanhf2012/origin/v2/log"
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"sync"
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"time"
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)
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//最大超长时间，一般可以认为是死锁或者死循环，或者极差的性能问题
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var DefaultMaxOvertime time.Duration = 5*time.Second
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//超过该时间将会监控报告
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var DefaultOvertime time.Duration = 10*time.Millisecond
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var DefaultMaxRecordNum int = 100 //最大记录条数
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// DefaultMaxOvertime 最大超长时间，一般可以认为是死锁或者死循环，或者极差的性能问题
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var DefaultMaxOvertime = 5 * time.Second
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// DefaultOvertime 超过该时间将会监控报告
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var DefaultOvertime = 10 * time.Millisecond
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var DefaultMaxRecordNum = 100 //最大记录条数
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var mapProfiler map[string]*Profiler
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type ReportFunType func(name string,callNum int,costTime time.Duration,record *list.List)
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var reportFunc ReportFunType =DefaultReportFunction
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type ReportFunType func(name string, callNum int, costTime time.Duration, record *list.List)
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var reportFunc ReportFunType = DefaultReportFunction
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type Element struct {
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tagName string
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tagName string
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pushTime time.Time
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}
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type RecordType int
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const (
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const (
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MaxOvertimeType = 1
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OvertimeType =2
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)
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OvertimeType = 2
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)
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type Record struct {
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RType RecordType
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CostTime time.Duration
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RType RecordType
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CostTime time.Duration
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RecordName string
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}
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type Analyzer struct {
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elem *list.Element
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elem *list.Element
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profiler *Profiler
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}
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type Profiler struct {
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stack *list.List //Element
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stack *list.List //Element
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stackLocker sync.RWMutex
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mapAnalyzer map[*list.Element]Analyzer
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record *list.List //Record
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record *list.List //Record
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callNum int //调用次数
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callNum int //调用次数
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totalCostTime time.Duration //总消费时间长
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maxOverTime time.Duration
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overTime time.Duration
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maxOverTime time.Duration
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overTime time.Duration
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maxRecordNum int
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}
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func init(){
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func init() {
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mapProfiler = map[string]*Profiler{}
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}
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func RegProfiler(profilerName string) *Profiler {
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if _,ok :=mapProfiler[profilerName];ok==true {
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if _, ok := mapProfiler[profilerName]; ok == true {
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return nil
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}
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pProfiler := &Profiler{stack:list.New(),record:list.New(),maxOverTime: DefaultMaxOvertime,overTime: DefaultOvertime}
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mapProfiler[profilerName] =pProfiler
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pProfiler := &Profiler{stack: list.New(), record: list.New(), maxOverTime: DefaultMaxOvertime, overTime: DefaultOvertime}
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mapProfiler[profilerName] = pProfiler
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return pProfiler
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}
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func (slf *Profiler) SetMaxOverTime(tm time.Duration){
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func (slf *Profiler) SetMaxOverTime(tm time.Duration) {
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slf.maxOverTime = tm
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}
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func (slf *Profiler) SetOverTime(tm time.Duration){
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func (slf *Profiler) SetOverTime(tm time.Duration) {
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slf.overTime = tm
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}
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func (slf *Profiler) SetMaxRecordNum(num int){
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func (slf *Profiler) SetMaxRecordNum(num int) {
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slf.maxRecordNum = num
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}
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func (slf *Profiler) Push(tag string) *Analyzer{
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func (slf *Profiler) Push(tag string) *Analyzer {
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slf.stackLocker.Lock()
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defer slf.stackLocker.Unlock()
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pElem := slf.stack.PushBack(&Element{tagName:tag,pushTime:time.Now()})
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pElem := slf.stack.PushBack(&Element{tagName: tag, pushTime: time.Now()})
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return &Analyzer{elem:pElem,profiler:slf}
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return &Analyzer{elem: pElem, profiler: slf}
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}
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func (slf *Profiler) check(pElem *Element) (*Record,time.Duration) {
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func (slf *Profiler) check(pElem *Element) (*Record, time.Duration) {
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if pElem == nil {
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return nil,0
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return nil, 0
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}
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subTm := time.Now().Sub(pElem.pushTime)
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if subTm < slf.overTime {
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return nil,subTm
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return nil, subTm
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}
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record := Record{
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@@ -104,20 +107,20 @@ func (slf *Profiler) check(pElem *Element) (*Record,time.Duration) {
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RecordName: pElem.tagName,
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}
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if subTm>slf.maxOverTime {
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if subTm > slf.maxOverTime {
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record.RType = MaxOvertimeType
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}
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return &record,subTm
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return &record, subTm
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}
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func (slf *Analyzer) Pop(){
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func (slf *Analyzer) Pop() {
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slf.profiler.stackLocker.Lock()
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defer slf.profiler.stackLocker.Unlock()
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pElement := slf.elem.Value.(*Element)
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pElem,subTm := slf.profiler.check(pElement)
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slf.profiler.callNum+=1
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pElem, subTm := slf.profiler.check(pElement)
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slf.profiler.callNum += 1
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slf.profiler.totalCostTime += subTm
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if pElem != nil {
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slf.profiler.pushRecordLog(pElem)
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@@ -125,10 +128,10 @@ func (slf *Analyzer) Pop(){
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slf.profiler.stack.Remove(slf.elem)
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}
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func (slf *Profiler) pushRecordLog(record *Record){
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if slf.record.Len()>= DefaultMaxRecordNum {
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func (slf *Profiler) pushRecordLog(record *Record) {
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if slf.record.Len() >= DefaultMaxRecordNum {
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front := slf.stack.Front()
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if front!=nil {
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if front != nil {
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slf.stack.Remove(front)
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}
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}
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@@ -140,43 +143,43 @@ func SetReportFunction(reportFun ReportFunType) {
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reportFunc = reportFun
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}
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func DefaultReportFunction(name string,callNum int,costTime time.Duration,record *list.List){
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if record.Len()<=0 {
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func DefaultReportFunction(name string, callNum int, costTime time.Duration, record *list.List) {
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if record.Len() <= 0 {
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return
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}
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var average int64
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if callNum>0 {
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average = costTime.Milliseconds()/int64(callNum)
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if callNum > 0 {
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average = costTime.Milliseconds() / int64(callNum)
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}
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log.Info("Profiler report tag "+name,log.Int("process count",callNum),log.Int64("take time",costTime.Milliseconds()),log.Int64("average",average))
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log.Info("Profiler report tag "+name, log.Int("process count", callNum), log.Int64("take time", costTime.Milliseconds()), log.Int64("average", average))
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elem := record.Front()
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var strTypes string
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for elem!=nil {
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for elem != nil {
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pRecord := elem.Value.(*Record)
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if pRecord.RType == MaxOvertimeType {
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if pRecord.RType == MaxOvertimeType {
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strTypes = "too slow process"
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}else{
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} else {
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strTypes = "slow process"
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}
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log.Info("Profiler report type",log.String("Types",strTypes),log.String("RecordName",pRecord.RecordName),log.Int64("take time",pRecord.CostTime.Milliseconds()))
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log.Info("Profiler report type", log.String("Types", strTypes), log.String("RecordName", pRecord.RecordName), log.Int64("take time", pRecord.CostTime.Milliseconds()))
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elem = elem.Next()
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}
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}
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func Report() {
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var record *list.List
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for name,prof := range mapProfiler{
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for name, prof := range mapProfiler {
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prof.stackLocker.RLock()
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//取栈顶，是否存在异常MaxOverTime数据
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pElem := prof.stack.Back()
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for pElem!=nil {
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for pElem != nil {
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pElement := pElem.Value.(*Element)
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pExceptionElem,_ := prof.check(pElement)
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if pExceptionElem!=nil {
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pExceptionElem, _ := prof.check(pElement)
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if pExceptionElem != nil {
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prof.pushRecordLog(pExceptionElem)
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}
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pElem = pElem.Prev()
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@@ -193,7 +196,6 @@ func Report() {
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totalCostTime := prof.totalCostTime
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prof.stackLocker.RUnlock()
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DefaultReportFunction(name,callNum,totalCostTime,record)
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DefaultReportFunction(name, callNum, totalCostTime, record)
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}
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}
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