4566704
30a0889ffa
- Start 后台每秒采集(CPU/内存/磁盘/网络/进程/连接/主机), GetInfo 取快照 - 基于 gopsutil, 附测试、examples/monitor 例程与包 README
81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
package monitor
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import (
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"github.com/shirou/gopsutil/v3/process"
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"path/filepath"
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)
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// MemoryInfoStat 进程内存信息（RSS/虚拟内存）
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type MemoryInfoStat struct {
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Rss uint64 `json:"res"`
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Vms uint64 `json:"vms"`
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}
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// ProcessInfo 进程信息（PID/路径/CPU/内存占用与启动时间）
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type ProcessInfo struct {
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Pid int32 `json:"pid"`
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Name string `json:"name"`
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ExE string `json:"exe"`
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Cmd string `json:"cmd"`
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Cpu float64 `json:"cpu"`
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Mem MemoryInfoStat `json:"mem"`
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CreateTime int64 `json:"createTime"`
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}
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// GetProcessInfo 获取所有进程信息
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func GetProcessInfo() ([]ProcessInfo, error) {
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v, err := process.Processes()
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if err != nil {
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return nil, err
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}
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info := make([]ProcessInfo, len(v))
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for i, p := range v {
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name := ""
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exe, _ := p.Exe()
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cmd, _ := p.Cmdline()
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// 先从执行文件中获取进程名
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// 如果执行文件为空，再调用 Name() 方式，Name()方式很占用CPU
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if exe == "" {
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name, _ = p.Name()
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} else {
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name = filepath.Base(exe)
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}
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mem, _ := p.MemoryInfo()
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cpu, _ := p.CPUPercent()
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createTime, _ := p.CreateTime()
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p.Times()
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// 不获取线程数 太占用用CPU
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// p.NumThreads()
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info[i].Pid = p.Pid
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info[i].Name = name
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info[i].ExE = exe
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info[i].Cmd = cmd
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info[i].Cpu = cpu
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if mem != nil {
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info[i].Mem = MemoryInfoStat{
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Rss: mem.RSS,
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Vms: mem.VMS,
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}
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}
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info[i].CreateTime = createTime
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if name == "QQ.exe" {
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//fmt.Printf("Pid:%d name:%s exe:%s\n", p.Pid, name, exe)
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//fmt.Printf("工作集:%d 提交大小:%d\n", mem.RSS, mem.VMS)
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//fmt.Printf("CPU:%.2f%% \n", cpu)
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}
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}
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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