/// <summary>
/// 获取linux系统总物理内存使用情况(总量/已使用/未使用)(返回单位MB)
/// </summary>
/// <returns></returns>
public static MemoryMetrics GetLinuxMemoryMetrics()
{
try
{
string output = "";
var info = new ProcessStartInfo();
info.FileName = "/bin/bash";
info.Arguments = "-c \"free -m\"";
info.RedirectStandardOutput = true;
using (var process = Process.Start(info))
{
output = process.StandardOutput.ReadToEnd();
}
/* 单位应该是MB
* total used free shared buff/cache available
* Mem: 64299 16049 3002 2 45246 47763
* Swap: 8191 0 8191
*/
if (string.IsNullOrWhiteSpace(output))
{
return(null);
}
var lines = output.Trim().Split('\n');
var memory = lines[1].Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
MemoryMetrics memoryMetrics = new MemoryMetrics()
{
Total = double.Parse(memory[1]),
Used = double.Parse(memory[2]),
};
memoryMetrics.Free = memoryMetrics?.Total - memoryMetrics?.Used;
memoryMetrics.FreePercent = Math.Round(double.Parse(memory[2]) * 100.00 / double.Parse(memory[1]), 3);
return(memoryMetrics);
}
catch (Exception ex)
{
return(null);
}
}
/// <summary>
/// 获取Windows系统总物理内存使用情况(总量/已使用/未使用)(返回单位MB)
/// </summary>
/// <returns></returns>
public static MemoryMetrics GetWindowsMemoryMetrics()
{
try
{
string output = "";
var info = new ProcessStartInfo();
info.FileName = "wmic";
info.Arguments = "OS get FreePhysicalMemory,TotalVisibleMemorySize /Value";
info.RedirectStandardOutput = true;
using (var process = Process.Start(info))
{
output = process.StandardOutput.ReadToEnd();
}
/*
* FreePhysicalMemory=2527660
*
* TotalVisibleMemorySize=8306868
*/
if (string.IsNullOrWhiteSpace(output))
{
return(null);
}
var lines = output.Trim().Split('\n');
var freeParts = lines[0].Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
var totalParts = lines[1].Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
MemoryMetrics memoryMetrics = new MemoryMetrics()
{
Total = Math.Round(double.Parse(totalParts[1]) / 1024, 0),
Free = Math.Round(double.Parse(freeParts[1]) / 1024, 0)
};
memoryMetrics.Used = memoryMetrics.Total - memoryMetrics.Free;
return(memoryMetrics);
}
catch (Exception ex)
{
return(null);
}
}