269 lines
8.9 KiB
C#
269 lines
8.9 KiB
C#
// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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namespace Admin.NET.Core;
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/// <summary>
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/// 处理器帮助类
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/// </summary>
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public static class CpuHelper
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{
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/// <summary>
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/// 处理器信息
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/// </summary>
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/// <remarks>
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/// 推荐使用，默认有缓存
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/// </remarks>
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public static CpuInfo CpuInfos => Cache.Default.GetOrAdd("CpuInfos", _ => GetCpuInfos(), 5 * 60);
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/// <summary>
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/// 获取处理器信息
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/// </summary>
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/// <returns></returns>
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public static CpuInfo GetCpuInfos()
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{
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var cpuInfo = new CpuInfo
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{
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LogicalCoreCount = Environment.ProcessorCount,
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ProcessorArchitecture = RuntimeInformation.ProcessArchitecture.ToString()
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};
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try
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{
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// 获取CPU使用率
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GetCpuUsage(cpuInfo);
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// 获取CPU详细信息
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GetCpuDetails(cpuInfo);
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// 获取温度信息（如果可用）
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GetCpuTemperature(cpuInfo);
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}
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catch (Exception ex)
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{
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Log.Error("获取处理器信息出错，" + ex.Message);
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}
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return cpuInfo;
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}
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/// <summary>
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/// 获取CPU使用率
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/// </summary>
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/// <param name="cpuInfo"></param>
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private static void GetCpuUsage(CpuInfo cpuInfo)
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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var output = ShellHelper.Bash(@"top -b -n1 | grep ""Cpu(s)""").Trim();
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var lines = output.Split(',');
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if (lines.Length > 3)
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{
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var loadPercentage = lines[3].Trim().Split(' ')[0].Replace("%", "");
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if (double.TryParse(loadPercentage, out var usage))
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{
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cpuInfo.UsagePercentage = Math.Round(100 - usage, 2); // idle转换为使用率
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}
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}
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}
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else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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var output = ShellHelper.Bash(@"top -l 1 -F | awk '/CPU usage/ {gsub(""%"", """"); print $7}'").Trim();
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if (double.TryParse(output, out var usage))
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{
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cpuInfo.UsagePercentage = Math.Round(100 - usage, 2); // idle转换为使用率
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}
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}
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else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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// 使用WMI获取CPU使用率
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try
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{
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var output = ShellHelper.Cmd("wmic", "cpu get LoadPercentage /Value").Trim();
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var lines = output.Split(Environment.NewLine);
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var loadLine = lines.FirstOrDefault(s => s.StartsWith("LoadPercentage="));
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if (loadLine != null)
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{
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var loadPercentage = loadLine.Split('=')[1].Trim();
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if (double.TryParse(loadPercentage, out var usage))
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{
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cpuInfo.UsagePercentage = Math.Round(usage, 2);
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}
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}
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}
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catch
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{
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// 如果WMI失败，使用默认值
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cpuInfo.UsagePercentage = 0;
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}
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}
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}
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/// <summary>
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/// 获取CPU温度信息（如果可用）
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/// </summary>
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/// <param name="cpuInfo"></param>
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private static void GetCpuTemperature(CpuInfo cpuInfo)
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{
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try
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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// 尝试从thermal_zone获取温度
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var thermalFiles = Directory.GetFiles("/sys/class/thermal", "thermal_zone*");
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foreach (var file in thermalFiles)
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{
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var tempFile = Path.Combine(file, "temp");
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if (File.Exists(tempFile))
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{
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var tempStr = File.ReadAllText(tempFile).Trim();
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if (int.TryParse(tempStr, out var temp))
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{
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cpuInfo.Temperature = Math.Round(temp / 1000.0, 1);
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break;
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}
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}
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}
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}
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// Windows和macOS的温度获取需要特殊权限或第三方工具，这里暂不实现
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}
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catch
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{
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// 温度获取失败不影响其他信息
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}
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}
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/// <summary>
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/// 获取CPU详细信息
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/// </summary>
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/// <param name="cpuInfo"></param>
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private static void GetCpuDetails(CpuInfo cpuInfo)
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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var cpuInfoOutput = ShellHelper.Bash("cat /proc/cpuinfo").Trim();
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var lines = cpuInfoOutput.Split('\n');
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foreach (var line in lines)
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{
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if (line.StartsWith("model name"))
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{
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cpuInfo.ProcessorName = line.Split(':')[1].Trim();
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}
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else if (line.StartsWith("cpu MHz"))
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{
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if (double.TryParse(line.Split(':')[1].Trim(), out var mhz))
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{
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cpuInfo.BaseClockSpeed = Math.Round(mhz / 1000, 2);
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}
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}
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else if (line.StartsWith("cache size"))
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{
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cpuInfo.CacheBytes = line.Split(':')[1].Trim().ParseToLong();
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}
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else if (line.StartsWith("cpu cores"))
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{
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if (int.TryParse(line.Split(':')[1].Trim(), out var cores))
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{
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cpuInfo.PhysicalCoreCount = cores;
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}
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}
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}
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}
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else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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var nameOutput = ShellHelper.Bash("sysctl -n machdep.cpu.brand_string").Trim();
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cpuInfo.ProcessorName = nameOutput;
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var coreOutput = ShellHelper.Bash("sysctl -n hw.physicalcpu").Trim();
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if (int.TryParse(coreOutput, out var cores))
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{
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cpuInfo.PhysicalCoreCount = cores;
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}
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}
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else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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var output = ShellHelper.Cmd("wmic", "cpu get Name,NumberOfCores,MaxClockSpeed,L3CacheSize /Value").Trim();
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var lines = output.Split(Environment.NewLine);
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foreach (var line in lines)
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{
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if (line.StartsWith("Name="))
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{
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cpuInfo.ProcessorName = line.Split('=')[1].Trim();
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}
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else if (line.StartsWith("NumberOfCores="))
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{
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if (int.TryParse(line.Split('=')[1], out var cores))
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{
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cpuInfo.PhysicalCoreCount = cores;
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}
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}
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else if (line.StartsWith("MaxClockSpeed="))
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{
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if (double.TryParse(line.Split('=')[1], out var mhz))
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{
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cpuInfo.BaseClockSpeed = Math.Round(mhz / 1000, 2);
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}
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}
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else if (line.StartsWith("L3CacheSize="))
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{
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var cache = line.Split('=')[1].Trim();
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if (!string.IsNullOrEmpty(cache) && cache != "0")
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{
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cpuInfo.CacheBytes = cache.ParseToLong() * 1024;
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}
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}
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}
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}
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}
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}
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/// <summary>
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/// 处理器信息
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/// </summary>
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public record CpuInfo
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{
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/// <summary>
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/// 处理器名称
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/// </summary>
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public string ProcessorName { get; set; } = string.Empty;
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/// <summary>
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/// 处理器架构
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/// </summary>
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public string ProcessorArchitecture { get; set; } = string.Empty;
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/// <summary>
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/// 物理核心数
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/// </summary>
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public int PhysicalCoreCount { get; set; }
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/// <summary>
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/// 逻辑核心数(超线程)
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/// </summary>
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public int LogicalCoreCount { get; set; }
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/// <summary>
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/// 基础时钟频率(GHz)
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/// </summary>
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public double BaseClockSpeed { get; set; }
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/// <summary>
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/// 缓存大小
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/// </summary>
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public long CacheBytes { get; set; }
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/// <summary>
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/// CPU使用率(%)
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/// </summary>
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public double UsagePercentage { get; set; }
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/// <summary>
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/// CPU温度(°C)
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/// </summary>
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public double? Temperature { get; set; }
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} |