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jfr.go
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jfr.go
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package main
import (
"PerfoRT/models"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"regexp"
"strconv"
"strings"
"time"
"github.com/tidwall/gjson"
"golang.org/x/exp/maps"
"gorm.io/gorm"
)
//https://docs.oracle.com/en/java/javase/16/docs/specs/man/jcmd.html
// https://medium.com/@nate510/dynamic-json-umarshalling-in-go-88095561d6a0
type Recording struct {
Events []Event `json:"events"`
}
type Event struct {
Type string `json:"type"`
Values map[string]interface{} `json:"values"`
}
func SaveJFRMetrics(db *gorm.DB, runID uint, tcID uint) {
// log.Println("****************** SaveJFRMetrics", time.Now())
// generate json
jfrFilename := "jfr/PerfoRT" + strconv.Itoa(int(runID)) + ".jfr"
jsonFilename := "jfr/PerfoRT" + strconv.Itoa(int(runID)) + ".json"
if _, err := os.Stat(jfrFilename); err == nil {
// file PerfoRT.jfr exists
// log.Println("- jfr print --json " + jfrFilename + " > " + jsonFilename)
cmd := exec.Command("bash", "-c", "jfr print --json "+jfrFilename+" > "+jsonFilename)
err := cmd.Run()
if err != nil {
log.Println("-> Error converting jfr to json in "+jfrFilename, err.Error())
}
// parse json file
// Open our jsonFile
jsonFile, err := os.Open(jsonFilename)
// defer the closing of our jsonFile so that we can parse it later on
// if we os.Open returns an error then handle it
if err != nil {
log.Println("-> Error opening jfr json file: ", err.Error())
} else {
defer jsonFile.Close()
// fmt.Println("Successfully Opened PerfoRT.json")
// read our opened jsonFile as a byte array.
jsonJFR, _ := ioutil.ReadAll(jsonFile)
// GJson
result := gjson.Get(string(jsonJFR), "recording.events")
jfrMap := make(map[time.Time]models.Jvm)
result.ForEach(func(key, eventMap gjson.Result) bool {
var event Event
// fmt.Println(eventMap)
// fmt.Println("-----")
var result map[string]interface{}
jsonFile := fmt.Sprintf("%s", eventMap)
if err := json.Unmarshal([]byte(jsonFile), &result); err != nil {
log.Println("### ERROR unmarshalling json file: ", err)
log.Println(jsonFile)
fmt.Println("### ERROR unmarshalling json file: ", err)
fmt.Println(jsonFile)
} else {
values := result["values"]
if v, ok := values.(map[string]interface{}); ok {
// fmt.Printf(" %s", v["startTime"])
event.Type = result["type"].(string)
event.Values = v
} else {
log.Printf("record not a map[string]interface{}: %v\n", values)
// panic("record not a map[string]interface{}: ")
}
// fmt.Printf("%#v\n", event.Values)
layout := "2006-01-02T15:04:05.000000000-07:00"
startTimeStr, ok := event.Values["startTime"].(string)
if ok {
indStartTime := strings.Index(startTimeStr[20:29], "-")
if indStartTime != -1 {
// fmt.Println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> starttime1: ", str)
var auxStartime string
for i := indStartTime; i < 9; i++ {
auxStartime += "0"
}
startTimeStr = startTimeStr[:20+indStartTime] + auxStartime + startTimeStr[20+indStartTime:]
// fmt.Println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> starttime2: ", str)
}
t, err := time.Parse(layout, startTimeStr)
if err != nil {
log.Println("ERROR parsing startTime: ", err)
}
// fmt.Println("->->->->->->->->->->->->-> Event type: "+event.Type+" ", t)
// log.Println("->->->->->->->->->->->->-> Event type: "+event.Type+" ", t)
switch event.Type {
case "jdk.CPULoad":
cpuLoad := &models.CPULoad{
JvmUser: event.Values["jvmUser"].(float64),
JvmSystem: event.Values["jvmSystem"].(float64),
MachineTotal: event.Values["machineTotal"].(float64),
}
// fmt.Printf("%v\n", cpuLoad)
// save
if val, ok := jfrMap[t]; ok {
val.CPULoad = *cpuLoad
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
CPULoad: *cpuLoad,
}
jfrMap[t] = *jvm
}
case "jdk.ThreadCPULoad":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
tCpuLoad := &models.ThreadCPULoad{
ThreadCPULoadOsName: osName,
ThreadCPULoadOsThreadId: osThreadId,
ThreadCPULoadJavaName: javaName,
ThreadCPULoadJavaThreadId: javaThreadId,
ThreadCPULoadUser: event.Values["user"].(float64),
ThreadCPULoadSystem: event.Values["system"].(float64),
}
if val, ok := jfrMap[t]; ok {
val.ThreadCPULoad = *tCpuLoad
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ThreadCPULoad: *tCpuLoad,
}
jfrMap[t] = *jvm
}
case "jdk.ThreadStart":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
osNameParent, osThreadIdParent, javaNameParent, javaThreadIdParent := getEventParentThread(event)
threadStart := &models.ThreadStart{
ThreadStartOsName: osName,
ThreadStartOsThreadId: osThreadId,
ThreadStartJavaName: javaName,
ThreadStartJavaThreadId: javaThreadId,
ThreadStartParentThreadosName: osNameParent,
ThreadStartParentThreadOsThreadId: osThreadIdParent,
ThreadStartParentThreadJavaName: javaNameParent,
ThreadStartParentThreadJavaThreadId: javaThreadIdParent,
}
if val, ok := jfrMap[t]; ok {
val.ThreadStart = *threadStart
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ThreadStart: *threadStart,
}
jfrMap[t] = *jvm
}
case "jdk.ThreadEnd":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
threadEnd := &models.ThreadEnd{
ThreadEndOsName: osName,
ThreadEndOsThreadId: osThreadId,
ThreadEndJavaName: javaName,
ThreadEndJavaThreadId: javaThreadId,
}
if val, ok := jfrMap[t]; ok {
val.ThreadEnd = *threadEnd
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ThreadEnd: *threadEnd,
}
jfrMap[t] = *jvm
}
case "jdk.ThreadSleep":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
// var duration time.Time
// if event.Values["duration"] != nil {
// // auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// // auxDur = strings.ReplaceAll(auxDur, "S", "")
// // duration, err = strconv.ParseFloat(auxDur, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.ThreadSleep: cannot parse duration value. ", err)
// // }
// var errParse error
// auxDur := event.Values["duration"].(string)
// auxDur = strings.ReplaceAll(auxDur, "PT", "")
// if strings.Contains(auxDur, "M") {
// // time := "29M25.974594914"
// duration, errParse = time.Parse("04M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// // time := "0.05S"
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
// // "time": "PT30S"
// var tsTime time.Time
// if event.Values["time"] != nil {
// // auxTime := strings.ReplaceAll(event.Values["time"].(string), "PT", "")
// // auxTime = strings.ReplaceAll(auxTime, "S", "")
// // tsTime, err = strconv.ParseFloat(auxTime, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.ThreadSleep: cannot parse time value. ", err)
// // }
// var errParse error
// auxT := event.Values["time"].(string)
// auxT = strings.ReplaceAll(auxT, "PT", "")
// if strings.Contains(auxT, "M") {
// // time := "29M25.974594914"
// tsTime, errParse = time.Parse("04M05.999999999", auxT)
// if errParse != nil {
// log.Println("Error parsing ThreadPark tsTime: ", errParse)
// }
// } else if strings.Contains(auxT, "S") {
// // time := "0.05S"
// tsTime, errParse = time.Parse("5.999999999S", auxT)
// if errParse != nil {
// log.Println("Error parsing ThreadPark tsTime: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass tsTime: ", auxT)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
tsTime := ParseDuration(event.Values["time"].(string))
threadSleep := &models.ThreadSleep{
ThreadSleepDuration: duration,
ThreadSleepOsName: osName,
ThreadSleepOsThreadId: osThreadId,
ThreadSleepJavaName: javaName,
ThreadSleepJavaThreadId: javaThreadId,
ThreadSleepTime: tsTime,
}
if val, ok := jfrMap[t]; ok {
val.ThreadSleep = *threadSleep
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ThreadSleep: *threadSleep,
}
jfrMap[t] = *jvm
}
case "jdk.ThreadPark":
// 2022/08/26 23:46:04 ERROR in jdk.ThreadPark: cannot parse timeOut value. strconv.ParseFloat: parsing "29M25.974594914": invalid syntax
// 2022/08/26 23:46:04 ERROR parsing ThreadPark.until timestamp: strconv.ParseFloat: parsing "29M25.974594914": invalid syntax
// 2022/08/26 23:46:04 ERROR parsing ThreadPark.until timestamp: <nil>
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
parkedClass := getClass(event, "parkedClass")
// var duration time.Time
// var timeOut time.Time
// if event.Values["duration"] != nil {
// var errParse error
// auxDur := event.Values["duration"].(string)
// auxDur = strings.ReplaceAll(auxDur, "PT", "")
// if strings.Contains(auxDur, "M") {
// // time := "29M25.974594914"
// duration, errParse = time.Parse("04M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// // time := "0.05S"
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
// if event.Values["timeout"] != nil {
// //"timeout": "PT0.05S",
// // "29M25.974594914"
// var errParse error
// auxTO := strings.ReplaceAll(event.Values["timeout"].(string), "PT", "")
// if strings.Contains(auxTO, "M") {
// // time := "29M25.974594914"
// duration, errParse = time.Parse("04M05.999999999", auxTO)
// if errParse != nil {
// log.Println("Error parsing ThreadPark timeout: ", errParse)
// }
// } else if strings.Contains(auxTO, "S") {
// // time := "0.05S"
// duration, errParse = time.Parse("5.999999999S", auxTO)
// if errParse != nil {
// log.Println("Error parsing ThreadPark timeout: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxTO)
// }
// }
// var until time.Time
// // var errUntil error
// if event.Values["until"] != nil {
// // event.Values["until"].(float64),"until": "-999999999-01-01T00:00+18:00",
// layout := "2006-01-02T15:04:05.000000000-07:00"
// untilStr, okUntil := event.Values["until"].(string)
// if okUntil {
// // until, errUntil = time.Parse(layout, untilStr)
// until, _ = time.Parse(layout, untilStr)
// // if errUntil != nil {
// // log.Println("ERROR parsing ThreadPark.until timestamp: ", errUntil)
// // }
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
timeOut := ParseDuration(event.Values["timeout"].(string))
until := ParseDuration(event.Values["until"].(string))
threadPark := &models.ThreadPark{
ThreadParkDuration: duration,
ThreadParkOsName: osName,
ThreadParkOsThreadId: osThreadId,
ThreadParkJavaName: javaName,
ThreadParkJavaThreadId: javaThreadId,
ThreadParkParkedClass: parkedClass,
ThreadParkTimeout: timeOut,
ThreadParkUntil: until,
}
if val, ok := jfrMap[t]; ok {
val.ThreadPark = *threadPark
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ThreadPark: *threadPark,
}
jfrMap[t] = *jvm
}
case "jdk.JavaErrorThrow":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
thrownClass := getClass(event, "thrownClass")
// var duration time.Time
// if event.Values["duration"] != nil {
// // auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// // auxDur = strings.ReplaceAll(auxDur, "S", "")
// // duration, err = strconv.ParseFloat(auxDur, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.JavaErrorThrow: cannot parse duration value. ", err)
// // }
// var errParse error
// auxDur := event.Values["duration"].(string)
// auxDur = strings.ReplaceAll(auxDur, "PT", "")
// if strings.Contains(auxDur, "M") {
// // time := "29M25.974594914"
// duration, errParse = time.Parse("04M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// // time := "0.05S"
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
message := ""
if event.Values["message"] != nil {
message = event.Values["message"].(string)
}
javaErrorThrow := &models.JavaErrorThrow{
JavaErrorThrowDuration: duration,
JavaErrorThrowOsName: osName,
JavaErrorThrowOsThreadId: osThreadId,
JavaErrorThrowJavaName: javaName,
JavaErrorThrowJavaThreadId: javaThreadId,
JavaErrorThrowMessage: message,
JavaErrorThrowThrownClass: thrownClass,
}
if val, ok := jfrMap[t]; ok {
val.JavaErrorThrow = *javaErrorThrow
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
JavaErrorThrow: *javaErrorThrow,
}
jfrMap[t] = *jvm
}
case "jdk.JavaExceptionThrow":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
thrownClass := getClass(event, "thrownClass")
// var duration time.Time
// if event.Values["duration"] != nil {
// // auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// // auxDur = strings.ReplaceAll(auxDur, "S", "")
// // duration, err = strconv.ParseFloat(auxDur, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.JavaExceptionThrow: cannot parse duration value. ", err)
// // }
// var errParse error
// auxDur := event.Values["duration"].(string)
// auxDur = strings.ReplaceAll(auxDur, "PT", "")
// if strings.Contains(auxDur, "M") {
// // time := "29M25.974594914"
// duration, errParse = time.Parse("04M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// // time := "0.05S"
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing ThreadPark duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
javaExceptionThrow := &models.JavaExceptionThrow{
JavaExceptionThrowDuration: duration,
JavaExceptionThrowOsName: osName,
JavaExceptionThrowOsThreadId: osThreadId,
JavaExceptionThrowJavaName: javaName,
JavaExceptionThrowJavaThreadId: javaThreadId,
JavaExceptionThrowMessage: event.Values["message"].(string),
JavaExceptionThrowThrownClass: thrownClass,
}
if val, ok := jfrMap[t]; ok {
val.JavaExceptionThrow = *javaExceptionThrow
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
JavaExceptionThrow: *javaExceptionThrow,
}
jfrMap[t] = *jvm
}
case "jdk.JavaMonitorEnter":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
monitorClass := getClass(event, "monitorClass")
// var duration float64
// if event.Values["duration"] != nil {
// auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// auxDur = strings.ReplaceAll(auxDur, "S", "")
// duration, err = strconv.ParseFloat(auxDur, 64)
// if err != nil {
// log.Println("ERROR in jdk.JavaMonitorEnter: cannot parse duration value. ", err)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
javaMonitorEnter := &models.JavaMonitorEnter{
JavaMonitorEnterDuration: duration,
JavaMonitorEnterOsName: osName,
JavaMonitorEnterOsThreadId: osThreadId,
JavaMonitorEnterJavaName: javaName,
JavaMonitorEnterJavaThreadId: javaThreadId,
JavaMonitorEnterMonitorClass: monitorClass,
}
if val, ok := jfrMap[t]; ok {
val.JavaMonitorEnter = *javaMonitorEnter
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
JavaMonitorEnter: *javaMonitorEnter,
}
jfrMap[t] = *jvm
}
case "jdk.JavaMonitorWait":
// JavaMonitorWai
// 2022/08/27 19:36:56 ERROR in jdk.JavaMonitorWait: cannot parse duration value. strconv.ParseFloat: parsing "1M0.000118777": invalid syntax
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
monitorClass := getClass(event, "monitorClass")
// var duration time.Time
// if event.Values["duration"] != nil {
// var errParse error
// auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// if strings.Contains(auxDur, "M") {
// // Error parsing JavaMonitorWait duration: parsing time "1M0.000088702S" as "04M05.999999999": cannot parse "1M0.000088702S" as "04"
// duration, errParse = time.Parse("94M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// //parsing time "0.100194234S": extra text: "S"0.100193907S
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
// var timeOut time.Time
// if event.Values["timeOut"] != nil {
// // auxtimeOut := strings.ReplaceAll(event.Values["timeOut"].(string), "PT", "")
// // auxtimeOut = strings.ReplaceAll(auxtimeOut, "S", "")
// // timeOut, err = strconv.ParseFloat(auxtimeOut, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.JavaMonitorWait: cannot parse timeOut value. ", err)
// // }
// var errParse error
// auxTO := event.Values["timeOut"].(string)
// auxTO = strings.ReplaceAll(auxTO, "PT", "")
// if strings.Contains(auxTO, "M") {
// // time := "29M25.974594914"
// timeOut, errParse = time.Parse("04M05.999999999", auxTO)
// if errParse != nil {
// log.Println("Error parsing ThreadPark timeOut: ", errParse)
// }
// } else if strings.Contains(auxTO, "S") {
// // time := "0.05S"
// timeOut, errParse = time.Parse("5.999999999S", auxTO)
// if errParse != nil {
// log.Println("Error parsing ThreadPark timeOut: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass timeOut: ", auxTO)
// }
// }
var timeOut time.Duration
if event.Values["timeOut"] != nil {
timeOut = ParseDuration(event.Values["timeOut"].(string))
}
javaMonitorWait := &models.JavaMonitorWait{
JavaMonitorWaitDuration: duration,
JavaMonitorWaitOsName: osName,
JavaMonitorWaitOsThreadId: osThreadId,
JavaMonitorWaitJavaName: javaName,
JavaMonitorWaitJavaThreadId: javaThreadId,
JavaMonitorWaitMonitorClass: monitorClass,
JavaMonitorWaitTimeout: timeOut,
JavaMonitorWaitTimedOut: event.Values["timedOut"].(bool),
}
if val, ok := jfrMap[t]; ok {
val.JavaMonitorWait = *javaMonitorWait
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
JavaMonitorWait: *javaMonitorWait,
}
jfrMap[t] = *jvm
}
case "jdk.OldObjectSample":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
objectType := getObjectType(event)
// var duration time.Time
// if event.Values["duration"] != nil {
// // auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// // auxDur = strings.ReplaceAll(auxDur, "S", "")
// // duration, err = strconv.ParseFloat(auxDur, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.OldObjectSample: cannot parse duration value. ", err)
// // }
// var errParse error
// auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// if strings.Contains(auxDur, "M") {
// // Error parsing JavaMonitorWait duration: parsing time "1M0.000088702S" as "04M05.999999999": cannot parse "1M0.000088702S" as "04"
// duration, errParse = time.Parse("94M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// //parsing time "0.100194234S": extra text: "S"0.100193907S
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
// Error 1292: Incorrect datetime value: '0000-00-00' for column 'old_object_sample_allocation_time' at row 1
oldObjectSample := &models.OldObjectSample{
OldObjectSampleDuration: duration,
OldObjectSampleOsName: osName,
OldObjectSampleOsThreadId: osThreadId,
OldObjectSampleJavaName: javaName,
OldObjectSampleJavaThreadId: javaThreadId,
// OldObjectSampleAllocationTime: at,
OldObjectSampleLastKnownHeapUsage: event.Values["lastKnownHeapUsage"].(float64),
OldObjectSampleObject: objectType,
OldObjectSampleArrayElements: event.Values["arrayElements"].(float64),
}
// "allocationTime": "2022-05-22T18:48:37.932136923-07:00",
// 2006-01-02T15:04:05.000000000-07:00
// ERROR in jdk.OldObjectSample: cannot parse allocationTime value. parsing time "2022-08-27T18:44:26.019938-03:00" as "2006-01-02T15:04:05.000000000-07:00": cannot parse ":00" as ".000000000"
var at time.Time
atStr := event.Values["allocationTime"].(string)
layoutAT := "2006-01-02T15:04:05.999999-07:00"
at, err = time.Parse(layoutAT, atStr)
if err != nil {
log.Println("ERROR in jdk.OldObjectSample: cannot parse allocationTime value. ", err)
}
if !at.IsZero() {
oldObjectSample.OldObjectSampleAllocationTime.Time = at
oldObjectSample.OldObjectSampleAllocationTime.Valid = true
} else {
oldObjectSample.OldObjectSampleAllocationTime.Time = time.Time{}
oldObjectSample.OldObjectSampleAllocationTime.Valid = false
}
if val, ok := jfrMap[t]; ok {
val.OldObjectSample = *oldObjectSample
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
OldObjectSample: *oldObjectSample,
}
jfrMap[t] = *jvm
}
case "jdk.ClassLoaderStatistics":
name, parent := getClassLoader(event)
aCStr := event.Values["anonymousClassCount"]
aCSStr := event.Values["anonymousChunkSize"]
aBSStr := event.Values["anonymousBlockSize"]
var aC float64
var aCS float64
var aBS float64
if aCStr != nil {
aC = aCStr.(float64)
}
if aCSStr != nil {
aCS = aCSStr.(float64)
}
if aBSStr != nil {
aBS = aBSStr.(float64)
}
classLoaderStatistics := &models.ClassLoaderStatistics{
ClassLoader: name,
ParentClassLoader: parent,
ClassLoaderData: event.Values["classLoaderData"].(float64),
ClassCount: event.Values["classCount"].(float64),
ChunkSize: event.Values["chunkSize"].(float64),
BlockSize: event.Values["blockSize"].(float64),
AnonymousClassCount: aC,
AnonymousChunkSize: aCS,
AnonymousBlockSize: aBS,
}
if val, ok := jfrMap[t]; ok {
val.ClassLoaderStatistics = *classLoaderStatistics
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ClassLoaderStatistics: *classLoaderStatistics,
}
jfrMap[t] = *jvm
}
case "jdk.ObjectAllocationInNewTLAB":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
objectClass := getClass(event, "objectClass")
objectAllocationInNewTLAB := &models.ObjectAllocationInNewTLAB{
ObjectAllocationInNewTLABOsName: osName,
ObjectAllocationInNewTLABOsThreadId: osThreadId,
ObjectAllocationInNewTLABJavaName: javaName,
ObjectAllocationInNewTLABJavaThreadId: javaThreadId,
ObjectAllocationInNewTLABObjectClass: objectClass,
ObjectAllocationInNewTLABAllocationSize: event.Values["allocationSize"].(float64),
ObjectAllocationInNewTLABTlabSize: event.Values["tlabSize"].(float64),
}
if val, ok := jfrMap[t]; ok {
val.ObjectAllocationInNewTLAB = *objectAllocationInNewTLAB
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ObjectAllocationInNewTLAB: *objectAllocationInNewTLAB,
}
jfrMap[t] = *jvm
}
case "jdk.ObjectAllocationOutsideTLAB":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
objectClass := getClass(event, "objectClass")
objectAllocationOutsideTLAB := &models.ObjectAllocationOutsideTLAB{
ObjectAllocationOutsideTLABOsName: osName,
ObjectAllocationOutsideTLABOsThreadId: osThreadId,
ObjectAllocationOutsideTLABJavaName: javaName,
ObjectAllocationOutsideTLABJavaThreadId: javaThreadId,
ObjectAllocationOutsideTLABObjectClass: objectClass,
ObjectAllocationOutsideTLABAllocationSize: event.Values["allocationSize"].(float64),
}
if val, ok := jfrMap[t]; ok {
val.ObjectAllocationOutsideTLAB = *objectAllocationOutsideTLAB
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
// Run: models.Run{},
StartTime: &t,
ObjectAllocationOutsideTLAB: *objectAllocationOutsideTLAB,
}
jfrMap[t] = *jvm
}
case "jdk.GCPhasePause":
osName, osThreadId, javaName, javaThreadId := getEventThread(event)
// var duration time.Time
// if event.Values["duration"] != nil {
// // auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// // auxDur = strings.ReplaceAll(auxDur, "S", "")
// // duration, err = strconv.ParseFloat(auxDur, 64)
// // if err != nil {
// // log.Println("ERROR in jdk.GCPhasePause: cannot parse duration value. ", err)
// // }
// var errParse error
// auxDur := strings.ReplaceAll(event.Values["duration"].(string), "PT", "")
// if strings.Contains(auxDur, "M") {
// // Error parsing JavaMonitorWait duration: parsing time "1M0.000088702S" as "04M05.999999999": cannot parse "1M0.000088702S" as "04"
// duration, errParse = time.Parse("94M05.999999999", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else if strings.Contains(auxDur, "S") {
// //parsing time "0.100194234S": extra text: "S"0.100193907S
// duration, errParse = time.Parse("5.999999999S", auxDur)
// if errParse != nil {
// log.Println("Error parsing JavaMonitorWait duration: ", errParse)
// }
// } else {
// log.Println("ATTENTION: Cannot parse parkedClass duration: ", auxDur)
// }
// }
duration := ParseDuration(event.Values["duration"].(string))
gcPhasePause := &models.GCPhasePause{
GCPhasePauseDuration: duration,
GCPhasePauseOsName: osName,
GCPhasePauseOsThreadId: osThreadId,
GCPhasePauseJavaName: javaName,
GCPhasePauseJavaThreadId: javaThreadId,
GcId: event.Values["gcId"].(float64),
GCPhasePauseName: event.Values["name"].(string),
}
if val, ok := jfrMap[t]; ok {
val.GCPhasePause = *gcPhasePause
jfrMap[t] = val
} else {
jvm := &models.Jvm{
RunID: runID,
StartTime: &t,
GCPhasePause: *gcPhasePause,
}
jfrMap[t] = *jvm
}
}
//end ok starttime
} else {
log.Println("Cannot convert interface: interface {} is not string")
}
}
// e := event.Data().(map[string]interface{})
// for key, value := range events {
// if key == "type" {
// switch value {
// case "jdk.CPULoad":
// var result CPULoad
// err := Decode(input, &result)
// if err != nil {
// panic(err)
// }
// fmt.Printf("%#v", result)
// }
// }
// }
// var result map[string]interface{}
// err := mapstructure.Decode(events, &result)
// if err != nil {
// panic(err)
// }
// for key, value := range result {
// fmt.Printf("%s: %#v\n", key, value)
// }
// // for key, value := range events {
// // if key == "type" {
// // switch value {
// // case "jdk.CPULoad":
// // var result CPULoad
// // err := Decode(input, &result)
// // if err != nil {
// // panic(err)
// // }
// // fmt.Printf("%#v", result)
// // }
// // }
// // fmt.Printf("%s - %s\n", key, value)
// // }
return true // keep iterating
})
// for _, jvm := range jfrMap {
// _, err = models.CreateJvm(db, &jvm)
// if err != nil {
// log.Printf("Error saving jvm: %s\n", err.Error())
// log.Println("jvm.StartTime: ", jvm.StartTime)
// log.Println("ThreadSleepDuration: ", jvm.ThreadSleepDuration)
// log.Println("ThreadParkDuration: ", jvm.ThreadParkDuration)
// log.Println("ThreadParkTimeout: ", jvm.ThreadParkTimeout)
// log.Println("ThreadParkUntil: ", jvm.ThreadParkUntil)
// log.Println("JavaErrorThrowDuration: ", jvm.JavaErrorThrowDuration)
// log.Println("JavaExceptionThrowDuration: ", jvm.JavaExceptionThrowDuration)
// log.Println("JavaMonitorWaitDuration: ", jvm.JavaMonitorWaitDuration)
// log.Println("JavaMonitorWaitTimeout: ", jvm.JavaMonitorWaitTimeout)
// log.Println("OldObjectSampleDuration: ", jvm.OldObjectSampleDuration)
// log.Println("GCPhasePauseDuration: ", jvm.GCPhasePauseDuration)
// log.Println("-----")
// }
// }
jfrValues := maps.Values(jfrMap)
// fmt.Println("jfrValues: ", len(jfrValues))
db.CreateInBatches(jfrValues, 1000)
}
} else {
log.Println("ATTENTION!!!!!!! JFR file not found!!!")
}
}
func getClassLoader(event Event) (string, string) {
var name string
classloader := event.Values["classLoader"]
if n, ok := classloader.(map[string]interface{}); ok {
// fmt.Println(n)
if n["name"] != nil {
name = n["name"].(string)
}
}
var parent string
parentClassloader := event.Values["parentClassLoader"]
if n, ok := parentClassloader.(map[string]interface{}); ok {
if n["name"] != nil {
parent = n["name"].(string)
}
}
return name, parent
}
func getEventThread(event Event) (string, float64, string, float64) {
var osName string
eventThread := event.Values["eventThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["osName"] != nil {
osName = e["osName"].(string)
}
}
var osThreadId float64
eventThread = event.Values["eventThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["osThreadId"] != nil {
osThreadId = e["osThreadId"].(float64)
}
}
var javaName string
eventThread = event.Values["eventThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["javaName"] != nil {
javaName = e["javaName"].(string)
}
}
var javaThreadId float64
eventThread = event.Values["eventThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["javaThreadId"] != nil {
osThreadId = e["javaThreadId"].(float64)
}
}
return osName, osThreadId, javaName, javaThreadId
}
func getEventParentThread(event Event) (string, float64, string, float64) {
var osName string
eventThread := event.Values["parentThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["osName"] != nil {
osName = e["osName"].(string)
}
}
var osThreadId float64
eventThread = event.Values["parentThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["osThreadId"] != nil {
osThreadId = e["osThreadId"].(float64)
}
}
var javaName string
eventThread = event.Values["parentThread"]
if e, ok := eventThread.(map[string]interface{}); ok {
if e["javaName"] != nil {
javaName = e["javaName"].(string)