59 lines
2.1 KiB
Go
59 lines
2.1 KiB
Go
/************************************************************
|
|
** @Description: libs
|
|
** @Author: george hao
|
|
** @Date: 2018-08-13 11:16
|
|
** @Last Modified by: george hao
|
|
** @Last Modified time: 2018-08-13 11:16
|
|
*************************************************************/
|
|
package libs
|
|
|
|
import (
|
|
"fmt"
|
|
"runtime"
|
|
"time"
|
|
)
|
|
|
|
func SystemInfo(startTime int64) map[string]interface{} {
|
|
|
|
var afterLastGC string
|
|
goNum := runtime.NumGoroutine()
|
|
cpuNum := runtime.NumCPU()
|
|
mstat := &runtime.MemStats{}
|
|
runtime.ReadMemStats(mstat)
|
|
now := time.Now().Unix()
|
|
//costTime := int(time.Now().Sub(startTime).Seconds())
|
|
costTime := int(now - startTime)
|
|
mb := 1024 * 1024
|
|
|
|
if mstat.LastGC != 0 {
|
|
afterLastGC = fmt.Sprintf("%.1fs", float64(time.Now().UnixNano()-int64(mstat.LastGC))/1000/1000/1000)
|
|
} else {
|
|
afterLastGC = "0"
|
|
}
|
|
|
|
return map[string]interface{}{
|
|
"服务运行时间": fmt.Sprintf("%d天%d小时%d分%d秒", costTime/(3600*24), costTime%(3600*24)/3600, costTime%3600/60, costTime%(60)),
|
|
"goroute数量": goNum,
|
|
"cpu核心数": cpuNum,
|
|
|
|
"当前内存使用量": FileSize(int64(mstat.Alloc)),
|
|
"所有被分配的内存": FileSize(int64(mstat.TotalAlloc)),
|
|
"内存占用量": FileSize(int64(mstat.Sys)),
|
|
"指针查找次数": mstat.Lookups,
|
|
"内存分配次数": mstat.Mallocs,
|
|
"内存释放次数": mstat.Frees,
|
|
"距离上次GC时间": afterLastGC,
|
|
|
|
// "当前 Heap 内存使用量": file.FileSize(int64(mstat.HeapAlloc)),
|
|
// "Heap 内存占用量": file.FileSize(int64(mstat.HeapSys)),
|
|
// "Heap 内存空闲量": file.FileSize(int64(mstat.HeapIdle)),
|
|
// "正在使用的 Heap 内存": file.FileSize(int64(mstat.HeapInuse)),
|
|
// "被释放的 Heap 内存": file.FileSize(int64(mstat.HeapReleased)),
|
|
// "Heap 对象数量": mstat.HeapObjects,
|
|
|
|
"下次GC内存回收量": fmt.Sprintf("%.3fMB", float64(mstat.NextGC)/float64(mb)),
|
|
"GC暂停时间总量": fmt.Sprintf("%.3fs", float64(mstat.PauseTotalNs)/1000/1000/1000),
|
|
"上次GC暂停时间": fmt.Sprintf("%.3fs", float64(mstat.PauseNs[(mstat.NumGC+255)%256])/1000/1000/1000),
|
|
}
|
|
}
|