public static List <DiskIOInfo> FromProcDiskStats(string input)
{
List <DiskIOInfo> disks = new List <DiskIOInfo>();
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.Contains(" hd") || line.Contains(" sd")) && values.Length >= 14)
{
DiskIOInfo di = new DiskIOInfo();
di.MajorNumber = (int)Parsers.ParseLong(values[0]);
di.MinorNumber = (int)Parsers.ParseLong(values[1]);
di.Name = values[2];
di.ReadsCompleted = Parsers.ParseLong(values[3]);
di.ReadsMerged = Parsers.ParseLong(values[4]);
di.SectorsRead = Parsers.ParseLong(values[5]);
di.TimeSpentReadingMS = Parsers.ParseLong(values[6]);
di.WritesCompleted = Parsers.ParseLong(values[7]);
di.WritesMerged = Parsers.ParseLong(values[8]);
di.SectorsWritten = Parsers.ParseLong(values[9]);
di.TimeSpentWritingMS = Parsers.ParseLong(values[10]);
di.IOsInProgress = Parsers.ParseLong(values[11]);
di.TimeDoingIOsMS = Parsers.ParseLong(values[12]);
di.WeightedTimeDoingIOsMS = Parsers.ParseLong(values[13]);
disks.Add(di);
}
}
return(disks);
}
public static List <DiskIOInfo> GetCurrentDiskStats(Renci.SshNet.SshClient sshClient, int delayMS = 1000)
{
List <DiskIOInfo> diskDiffs = new List <DiskIOInfo>();
List <DiskIOInfo> disks1 = FromProcDiskStats(sshClient.RunCommand("cat /proc/diskstats").Result);
TH.Thread.Sleep(delayMS);
List <DiskIOInfo> disks2 = FromProcDiskStats(sshClient.RunCommand("cat /proc/diskstats").Result);
foreach (DiskIOInfo c1 in disks1)
{
DiskIOInfo c2 = disks2.FirstOrDefault(c => c.Name == c1.Name);
if (c2 != null)
{
DiskIOInfo diskUsageDiff = new DiskIOInfo();
diskUsageDiff.MeasurementDelayMS = delayMS;
diskUsageDiff.MajorNumber = c1.MajorNumber;
diskUsageDiff.MinorNumber = c1.MinorNumber;
diskUsageDiff.Name = c1.Name;
diskUsageDiff.ReadsCompleted = c2.ReadsCompleted - c1.ReadsCompleted;
diskUsageDiff.ReadsMerged = c2.ReadsMerged - c1.ReadsMerged;
diskUsageDiff.SectorsRead = c2.SectorsRead - c1.SectorsRead;
diskUsageDiff.TimeSpentReadingMS = c2.TimeSpentReadingMS - c1.TimeSpentReadingMS;
diskUsageDiff.WritesCompleted = c2.WritesCompleted - c1.WritesCompleted;
diskUsageDiff.WritesMerged = c2.WritesMerged - c1.WritesMerged;
diskUsageDiff.SectorsWritten = c2.SectorsWritten - c1.SectorsWritten;
diskUsageDiff.TimeSpentWritingMS = c2.TimeSpentWritingMS - c1.TimeSpentWritingMS;
diskUsageDiff.IOsInProgress = c2.IOsInProgress - c1.IOsInProgress;
diskUsageDiff.TimeDoingIOsMS = c2.TimeDoingIOsMS - c1.TimeDoingIOsMS;
diskUsageDiff.WeightedTimeDoingIOsMS = c2.WeightedTimeDoingIOsMS - c1.WeightedTimeDoingIOsMS;
diskDiffs.Add(diskUsageDiff);
}
}
return(diskDiffs);
}
