public static List <CPUInfo> GetCurrentCPUPerc(Renci.SshNet.SshClient sshClient, int delayMS = 1000)
{
List <CPUInfo> cpuDiffs = new List <CPUInfo>();
List <CPUInfo> cpus1 = FromProcStat(sshClient.RunCommand("cat /proc/stat").Result);
TH.Thread.Sleep(delayMS);
List <CPUInfo> cpus2 = FromProcStat(sshClient.RunCommand("cat /proc/stat").Result);
foreach (CPUInfo c1 in cpus1)
{
CPUInfo c2 = cpus2.FirstOrDefault(c => c.Name == c1.Name);
if (c2 != null)
{
CPUInfo cpuUsageDiff = new CPUInfo();
cpuUsageDiff.Name = c1.Name;
cpuUsageDiff.IsTotalCPU = c1.IsTotalCPU;
cpuUsageDiff.User = c2.User - c1.User;
cpuUsageDiff.Nice = c2.Nice - c1.Nice;
cpuUsageDiff.System = c2.System - c1.System;
cpuUsageDiff.Idle = c2.Idle - c1.Idle;
cpuUsageDiff.IOWait = c2.IOWait - c1.IOWait;
cpuUsageDiff.IRQ = c2.IRQ - c1.IRQ;
cpuUsageDiff.SoftIRQ = c2.SoftIRQ - c1.SoftIRQ;
cpuDiffs.Add(cpuUsageDiff);
}
}
return(cpuDiffs);
}
public static double GetCPUPerc(CPUInfo cpuTime1, CPUInfo cpuTime2)
{
TimeSpan ts = cpuTime2.TimeUpdated.Subtract(cpuTime1.TimeUpdated);
if (ts.TotalSeconds > 0)
{
CPUInfo cpuUsageDiff = new CPUInfo();
cpuUsageDiff.User = cpuTime2.User - cpuTime1.User;
cpuUsageDiff.Nice = cpuTime2.Nice - cpuTime1.Nice;
cpuUsageDiff.System = cpuTime2.System - cpuTime1.System;
cpuUsageDiff.Idle = cpuTime2.Idle - cpuTime1.Idle;
cpuUsageDiff.IOWait = cpuTime2.IOWait - cpuTime1.IOWait;
cpuUsageDiff.IRQ = cpuTime2.IRQ - cpuTime1.IRQ;
cpuUsageDiff.SoftIRQ = cpuTime2.SoftIRQ - cpuTime1.SoftIRQ;
return((100.0 * (cpuUsageDiff.TotalCPUTime - cpuUsageDiff.Idle)) / cpuUsageDiff.TotalCPUTime);
}
else
{
return(0);
}
}
public static List <CPUInfo> FromProcStat(string input)
{
List <CPUInfo> cpus = new List <CPUInfo>();
string[] lines = input.Split(new string[] { "\r", "\n" }, StringSplitOptions.None);
foreach (string line in lines)
{
string[] values = line.Trim().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (line.StartsWith("cpu") && values.Length > 7)
{
CPUInfo cpu = new CPUInfo();
if (line.StartsWith("cpu "))
{
cpu.IsTotalCPU = true;
}
cpu.Name = values[0];
cpu.User = Parsers.ParseLong(values[1]);
cpu.Nice = Parsers.ParseLong(values[2]);
cpu.System = Parsers.ParseLong(values[3]);
cpu.Idle = Parsers.ParseLong(values[4]);
cpu.IOWait = Parsers.ParseLong(values[5]);
cpu.IRQ = Parsers.ParseLong(values[6]);
cpu.SoftIRQ = Parsers.ParseLong(values[7]);
if (values.Length > 8)
{
cpu.Steal = Parsers.ParseLong(values[8]);
}
if (values.Length > 9)
{
cpu.Guest = Parsers.ParseLong(values[9]);
}
cpus.Add(cpu);
}
}
return(cpus);
}
