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Copy pathsystem_monitor.go
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81 lines (67 loc) · 1.63 KB
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package common
import (
"sync/atomic"
"time"
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/mem"
)
// DiskSpaceInfo 磁盘空间信息
type DiskSpaceInfo struct {
// 总空间(字节)
Total uint64 `json:"total"`
// 可用空间(字节)
Free uint64 `json:"free"`
// 已用空间(字节)
Used uint64 `json:"used"`
// 使用百分比
UsedPercent float64 `json:"used_percent"`
}
// SystemStatus 系统状态信息
type SystemStatus struct {
CPUUsage float64
MemoryUsage float64
DiskUsage float64
}
var latestSystemStatus atomic.Value
func init() {
latestSystemStatus.Store(SystemStatus{})
}
// StartSystemMonitor 启动系统监控
func StartSystemMonitor() {
go func() {
for {
config := GetPerformanceMonitorConfig()
if !config.Enabled {
time.Sleep(30 * time.Second)
continue
}
updateSystemStatus()
time.Sleep(5 * time.Second)
}
}()
}
func updateSystemStatus() {
var status SystemStatus
// CPU
// 注意:cpu.Percent(0, false) 返回自上次调用以来的 CPU 使用率
// 如果是第一次调用,可能会返回错误或不准确的值,但在循环中会逐渐正常
percents, err := cpu.Percent(0, false)
if err == nil && len(percents) > 0 {
status.CPUUsage = percents[0]
}
// Memory
memInfo, err := mem.VirtualMemory()
if err == nil {
status.MemoryUsage = memInfo.UsedPercent
}
// Disk
diskInfo := GetDiskSpaceInfo()
if diskInfo.Total > 0 {
status.DiskUsage = diskInfo.UsedPercent
}
latestSystemStatus.Store(status)
}
// GetSystemStatus 获取当前系统状态
func GetSystemStatus() SystemStatus {
return latestSystemStatus.Load().(SystemStatus)
}