fb44c8bf03
包含Go API项目的所有源代码、配置文件、Docker配置、文档和前端资源 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
45 lines
1011 B
Go
45 lines
1011 B
Go
package common
|
||
|
||
import (
|
||
"fmt"
|
||
"github.com/shirou/gopsutil/cpu"
|
||
"os"
|
||
"runtime/pprof"
|
||
"time"
|
||
)
|
||
|
||
// Monitor 定时监控cpu使用率，超过阈值输出pprof文件
|
||
func Monitor() {
|
||
for {
|
||
percent, err := cpu.Percent(time.Second, false)
|
||
if err != nil {
|
||
panic(err)
|
||
}
|
||
if percent[0] > 80 {
|
||
fmt.Println("cpu usage too high")
|
||
// write pprof file
|
||
if _, err := os.Stat("./pprof"); os.IsNotExist(err) {
|
||
err := os.Mkdir("./pprof", os.ModePerm)
|
||
if err != nil {
|
||
SysLog("创建pprof文件夹失败 " + err.Error())
|
||
continue
|
||
}
|
||
}
|
||
f, err := os.Create("./pprof/" + fmt.Sprintf("cpu-%s.pprof", time.Now().Format("20060102150405")))
|
||
if err != nil {
|
||
SysLog("创建pprof文件失败 " + err.Error())
|
||
continue
|
||
}
|
||
err = pprof.StartCPUProfile(f)
|
||
if err != nil {
|
||
SysLog("启动pprof失败 " + err.Error())
|
||
continue
|
||
}
|
||
time.Sleep(10 * time.Second) // profile for 30 seconds
|
||
pprof.StopCPUProfile()
|
||
f.Close()
|
||
}
|
||
time.Sleep(30 * time.Second)
|
||
}
|
||
}
|