feat: 添加内存监控命令，支持从 /proc/meminfo 读取内存信息

cmd/checkMem.go

@@ -0,0 +1,54 @@
+package cmd
+
+import (
+	"log"
+
+	monitoring "github.com/komari-monitor/komari-agent/monitoring/unit"
+	"github.com/spf13/cobra"
+)
+
+var CheckMemCmd = &cobra.Command{
+	Use:   "check-mem",
+	Short: "Check memory usage",
+	Long:  `Check memory usage`,
+	Run: func(cmd *cobra.Command, args []string) {
+		log.Println("--- Memory Check ---")
+
+		// Print raw /proc/meminfo if on Linux
+		if info, err := monitoring.ReadProcMeminfo(); err == nil {
+			log.Println("--- /proc/meminfo ---")
+			log.Printf("MemTotal:     %d MiB", info.MemTotal/1024/1024)
+			log.Printf("MemFree:      %d MiB", info.MemFree/1024/1024)
+			log.Printf("MemAvailable: %d MiB", info.MemAvailable/1024/1024)
+			log.Printf("Buffers:      %d MiB", info.Buffers/1024/1024)
+			log.Printf("Cached:       %d MiB", info.Cached/1024/1024)
+			log.Printf("SwapTotal:    %d MiB", info.SwapTotal/1024/1024)
+			log.Printf("SwapFree:     %d MiB", info.SwapFree/1024/1024)
+			log.Printf("SwapCached:   %d MiB", info.SwapCached/1024/1024)
+			log.Printf("Shmem:        %d MiB", info.Shmem/1024/1024)
+			log.Printf("SReclaimable: %d MiB", info.SReclaimable/1024/1024)
+			log.Printf("Zswap:        %d MiB", info.Zswap/1024/1024)
+			log.Printf("Zswapped:     %d MiB", info.Zswapped/1024/1024)
+			log.Println("---------------------")
+		}
+
+		printRamInfo := func(info monitoring.RamInfo) {
+			log.Printf("[%s] Total: %d bytes (%d MiB), Used: %d bytes (%d MiB)",
+				info.Mode,
+				info.Total, info.Total/(1024*1024),
+				info.Used, info.Used/(1024*1024),
+			)
+		}
+
+		printRamInfo(monitoring.GetMemHtopLike())
+		printRamInfo(monitoring.GetMemGopsutil())
+		printRamInfo(monitoring.CallFree())
+
+		log.Println("--- Current Configured ---")
+		printRamInfo(monitoring.Ram())
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(CheckMemCmd)
+}