如何获取机器的memory和CPU信息？

1. Use WMI to create connection to the computer passing username and password. Once the connection is created, query the CPU& memory by passing the query, similar as SQL. This way can get CPU & memory for remote PC and local PC. For example:

System.Management.ConnectionOptions Conn = new ConnectionOptions();

Conn.Username = mpusername;

Conn.Password = mppwd;

string scopestring = "//" + mpserver + "/root/cimv2";

System.Management.ManagementScope Ms = new ManagementScope(scopestring);

Ms.Connect();

mos.Scope = Ms;

ObjectQuery oq = new ObjectQuery();

oq.QueryString = "select * From Win32_PRocessor";

mos.Query = oq;

ManagementObjectCollection moc = mos.Get();

内存这块花了比较多的时间，之前的对象已经过期，不能使用了，最后找到这个类“Win32_PerfRawData_Perfos_Memory”

ManagementObjectCollection mcr = mcp.getQueryResult("select * from Win32_ComputerSystem");

foreach (ManagementObject mo in mcr)
{
if (mo["totalPhysicalMemory"] != null)
{
totalm = long.Parse(mo["TotalPhysicalMemory"].ToString());
}
}
ManagementObjectCollection moc = mcp.getQueryResult("select * from Win32_PerfRawData_PerfOS_Memory");
foreach (ManagementObject mo in moc)
{
string avilable = mo.GetPropertyValue("AvailableBytes").ToString();
avilablem = long.Parse(avilable);
}

2. Get local server’s CPU and momory information passing the WMI classes, such as “Win32_Processor”， “Win32_@R_304_1162@tingSystem”

ManagementClass mc = new ManagementClass("Win32_OperatingSystem");

ManagementObjectCollection moc = mc.GetInstances();

3. Use performance counter to get performance data passing the performance counter name, such as monITor.PerformanceCounterFun("Processor", "_Total", "% Processor Time"). Normally we shoud get performance counter data several times, then use the average values.

虽然这些比较简单，但是自己还是想把它记录下来，希望对大家能有用！

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