feat: 添加对Darwin和FreeBSD的GPU及操作系统名称获取功能

monitoring/unit/gpu_freebsd.go

@@ -0,0 +1,28 @@
+//go:build freebsd
+// +build freebsd
+
+package monitoring
+
+import (
+	"os/exec"
+	"strings"
+)
+
+// GpuName returns the name of the GPU on FreeBSD
+func GpuName() string {
+	cmd := exec.Command("pciconf", "-lv")
+	output, err := cmd.Output()
+	if err != nil {
+		return "Unknown"
+	}
+
+	lines := strings.Split(string(output), "\n")
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if strings.Contains(line, "VGA") || strings.Contains(line, "Display") {
+			return line
+		}
+	}
+
+	return "Unknown"
+}