wip: 重新整理 install cmd

pkg/syscheck/cpu.go

@@ -0,0 +1,74 @@
+package syscheck
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
+
+	"golang.org/x/sys/cpu"
+)
+
+type CPUInfo struct {
+	Cores        int64
+	FrequencyMHz int64
+	SupportAES   bool
+	IsX86V2      bool
+}
+
+func GetCPUInfo(ctx context.Context) (CPUInfo, error) {
+	info := CPUInfo{
+		Cores: int64(runtime.NumCPU()),
+	}
+
+	// Parse /proc/cpuinfo to get CPU frequency and model info
+	file, err := os.Open("/proc/cpuinfo")
+	if err != nil {
+		return info, fmt.Errorf("failed to open /proc/cpuinfo: %w", err)
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		// Parse CPU MHz
+		if strings.HasPrefix(line, "cpu MHz") {
+			parts := strings.Split(line, ":")
+			if len(parts) == 2 {
+				freqStr := strings.TrimSpace(parts[1])
+				if freq, err := strconv.ParseFloat(freqStr, 64); err == nil {
+					info.FrequencyMHz = int64(freq)
+					break // Get first CPU frequency
+				}
+			}
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return info, fmt.Errorf("failed to read /proc/cpuinfo: %w", err)
+	}
+
+	// Check CPU features using x/sys/cpu package
+	if runtime.GOARCH == "amd64" || runtime.GOARCH == "386" {
+		// Check AES-NI support
+		info.SupportAES = cpu.X86.HasAES
+
+		// Check x86-64-v2 support
+		// x86-64-v2 requires: SSE3, SSSE3, SSE4.1, SSE4.2, POPCNT
+		info.IsX86V2 = cpu.X86.HasSSE3 &&
+			cpu.X86.HasSSSE3 &&
+			cpu.X86.HasSSE41 &&
+			cpu.X86.HasSSE42 &&
+			cpu.X86.HasPOPCNT
+	} else {
+		// For ARM or other architectures
+		info.SupportAES = false
+		info.IsX86V2 = false
+	}
+
+	return info, nil
+}