C# 获取计算机CPU使用率/内存使用率/磁盘使用率 |
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C# 获取计算机CPU使用率/内存使用率/磁盘使用率
CPU: void Main() { ManagementObjectSearcher searcher = new ManagementObjectSearcher("select PercentProcessorTime from Win32_PerfFormattedData_PerfOS_Processor WHERE Name=\"_Total\""); var cpuItem = searcher.Get().Cast().Select(item => new { PercentProcessorTime = item["PercentProcessorTime"] }).First(); if (cpuItem != null && cpuItem.PercentProcessorTime != null) Debug.Print("CPU:" + cpuItem.PercentProcessorTime.ToString()); }
Disk: public static Dictionary GetDisksUsedRate() { var result = new Dictionary(); var searcher = new ManagementObjectSearcher("Select Name,PercentDiskTime from Win32_PerfFormattedData_PerfDisk_PhysicalDisk WHERE Name != \"_Total\""); var diskItems = searcher.Get().Cast().ToList(); foreach (var diskItem in diskItems) result.Add(diskItem["Name"].ToString(), Convert.ToInt32(diskItem["PercentDiskTime"])); return result; }
Memory: #region 获取内存使用率 #region 可用内存 /// /// 获取可用内存 /// internal static long? GetMemoryAvailable() { const int MbDiv = 1024 * 1024; long availablebytes = 0; var managementClassOs = new ManagementClass("Win32_OperatingSystem"); foreach (var managementBaseObject in managementClassOs.GetInstances()) if (managementBaseObject["FreePhysicalMemory"] != null) availablebytes = 1024 * long.Parse(managementBaseObject["FreePhysicalMemory"].ToString()); return availablebytes / MbDiv; } #endregion internal static double? GetMemoryUsed() { float? PhysicalMemory = GetPhysicalMemory(); float? MemoryAvailable = GetMemoryAvailable(); double? MemoryUsed = (double?)(PhysicalMemory - MemoryAvailable); double currentMemoryUsed = (double)MemoryUsed ; return currentMemoryUsed ; } private static long? GetPhysicalMemory() { //获得物理内存 const int MbDiv = 1024 * 1024; var managementClass = new ManagementClass("Win32_ComputerSystem"); var managementObjectCollection = managementClass.GetInstances(); foreach (var managementBaseObject in managementObjectCollection) if (managementBaseObject["TotalPhysicalMemory"] != null) return long.Parse(managementBaseObject["TotalPhysicalMemory"].ToString()) / MbDiv; return null; } public static double? GetMemoryUsedRate() { float? PhysicalMemory = GetPhysicalMemory(); float? MemoryAvailable = GetMemoryAvailable(); double? MemoryUsedRate =(double?)(PhysicalMemory - MemoryAvailable)/ PhysicalMemory; return MemoryUsedRate.HasValue ? Convert.ToDouble(MemoryUsedRate * 100) : 0; } #endregion桂棹兮兰桨，击空明兮溯流光。 posted on 2020-06-19 11:39 空明流光 阅读(4345) 评论(0) 编辑 收藏 举报 |
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