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
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package monitor
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import (
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"fmt"
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"strconv"
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"github.com/shirou/gopsutil/v3/mem"
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)
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// SwapDevice 交换分区设备信息
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type SwapDevice struct {
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Name string `json:"name"`
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UsedBytes uint64 `json:"usedBytes"`
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FreeBytes uint64 `json:"freeBytes"`
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}
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// MemInfo 内存信息（总量/已用/可用/使用率等，gopsutil mem.VirtualMemoryStat）
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type MemInfo struct {
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Total uint64 `json:"total"`
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Available uint64 `json:"available"`
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Used uint64 `json:"used"`
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Free uint64 `json:"free"`
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UsedPercent float64 `json:"usedPercent"`
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SwapTotal uint64 `json:"swapTotal"`
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SwapAvailable uint64 `json:"SwapAvailable"`
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SwapUsed uint64 `json:"swapUsed"`
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SwapFree uint64 `json:"swapFree"`
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SwapUsedPercent float64 `json:"swapUsedPercent"`
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SwapDevices []SwapDevice `json:"swapDevices"`
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}
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// getMemInfo 采集内存与交换区信息
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func getMemInfo() (MemInfo, error) {
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info := MemInfo{}
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v, err := mem.VirtualMemory()
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if err != nil {
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return info, err
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}
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info.Total = v.Total
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info.Used = v.Used
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info.Free = v.Free
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info.UsedPercent, _ = strconv.ParseFloat(fmt.Sprintf("%.1f", v.UsedPercent), 64)
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s, err := mem.SwapMemory()
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if err != nil {
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return info, err
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}
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info.SwapTotal = s.Total
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info.SwapUsed = s.Used
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info.SwapFree = s.Free
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info.SwapUsedPercent, _ = strconv.ParseFloat(fmt.Sprintf("%.1f", s.UsedPercent), 64)
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devices, err := mem.SwapDevices()
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if err != nil {
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return info, err
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}
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for _, device := range devices {
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info.SwapDevices = append(info.SwapDevices, SwapDevice{
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Name: device.Name,
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UsedBytes: device.UsedBytes,
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FreeBytes: device.FreeBytes,
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})
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}
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return info, err
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}
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