public void TestGetCoreUsageByProcessID(string sourceProcDirectoryPath, int processID, double expectedCoreUsage, double expectedCpuUsageTotal)
{
const int SAMPLING_TIME_SECONDS = 3;
var procDirectory = ValidateLocalProcDirectory();
// Update the cpuinfo file in the local proc directory
CopyCPUInfoFile(procDirectory, sourceProcDirectoryPath);
// Update the cpu stat file in the local proc directory using sourceProcDirectoryPath
var sourceCpuStatFile1 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\CpuStat1\stat"));
var sourceCpuStatFile2 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\CpuStat2\stat"));
var targetCpuStatFile = CopyCPUStatFile(procDirectory, sourceCpuStatFile1);
// Update the process stat file in the local proc directory using sourceProcDirectoryPath
var sourceStatFile1 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\ProcStat1\stat"));
var sourceStatFile2 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\ProcStat2\stat"));
var targetStatFile = CopyProcessStatFile(procDirectory, processID, sourceStatFile1);
var linuxSystemInfo = new LinuxSystemInfo {
TraceEnabled = true
};
linuxSystemInfo.DebugEvent += LinuxSystemInfo_DebugEvent;
linuxSystemInfo.ErrorEvent += LinuxSystemInfo_ErrorEvent;
var filesToCopy = new List <TestFileCopyInfo>
{
new TestFileCopyInfo(sourceCpuStatFile2, targetCpuStatFile),
new TestFileCopyInfo(sourceStatFile2, targetStatFile)
};
// Start a timer to replace the stat file in 2 seconds
var fileReplacerTimer = new Timer(ReplaceFiles, filesToCopy, (SAMPLING_TIME_SECONDS - 1) * 1000, -1);
var coreUsage = linuxSystemInfo.GetCoreUsageByProcessID(processID, out var cpuUsageTotal, SAMPLING_TIME_SECONDS);
fileReplacerTimer.Dispose();
// Delay 1 second to allow threads to finish up
var startTime = DateTime.UtcNow;
while (true)
{
Thread.Sleep(250);
if (DateTime.UtcNow.Subtract(startTime).TotalMilliseconds >= 1000)
{
break;
}
}
Console.WriteLine("Core usage: {0:F2}", coreUsage);
Console.WriteLine("Total CPU usage: {0:F1}%", cpuUsageTotal);
Assert.AreEqual(expectedCoreUsage, coreUsage, 0.01, "Core usage mismatch");
Assert.AreEqual(expectedCpuUsageTotal, cpuUsageTotal, 0.1, "Total CPU usage mismatch");
}
static SystemInfo()
{
var c = new OSVersionInfo();
if (c.GetOSVersion().ToLower().Contains("windows"))
{
SystemInfoObject = new WindowsSystemInfo();
}
else
{
SystemInfoObject = new LinuxSystemInfo();
}
}
public void TestGetCoreCount(string sourceProcDirectoryPath, int expectedCoreCount, int expectedProcessorPackages)
{
var procDirectory = ValidateLocalProcDirectory();
// Update the cpuinfo file in the local proc directory
CopyCPUInfoFile(procDirectory, sourceProcDirectoryPath);
var linuxSystemInfo = new LinuxSystemInfo();
var coreCount = linuxSystemInfo.GetCoreCount();
Console.WriteLine("Core count: {0}", coreCount);
Assert.AreEqual(expectedCoreCount, coreCount);
Console.WriteLine("Processor Packages: {0}", linuxSystemInfo.GetProcessorPackageCount());
Assert.AreEqual(expectedProcessorPackages, linuxSystemInfo.GetProcessorPackageCount());
}
public void TestGetTotalMemory(string sourceProcDirectoryPath, float expectedTotalMemoryMB)
{
var procDirectory = ValidateLocalProcDirectory();
// Update the meminfo file in the local proc directory using sourceProcDirectoryPath
var sourceMemInfoFile = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, LinuxSystemInfo.MEMINFO_FILE));
var targetMemInfoFile = new FileInfo(Path.Combine(procDirectory.FullName, LinuxSystemInfo.MEMINFO_FILE));
if (targetMemInfoFile.Exists)
{
try
{
targetMemInfoFile.Delete();
}
catch (Exception ex)
{
Assert.Fail("Could not replace the local meminfo file at " + targetMemInfoFile.FullName + ": " + ex.Message);
}
}
try
{
sourceMemInfoFile.CopyTo(targetMemInfoFile.FullName);
}
catch (Exception ex)
{
Assert.Fail("Could not copy the meminfo file to " + targetMemInfoFile.FullName + ": " + ex.Message);
}
var linuxSystemInfo = new LinuxSystemInfo();
var totalMemoryMB = linuxSystemInfo.GetTotalMemoryMB();
Console.WriteLine("Total memory: {0:F0} MB", totalMemoryMB);
Assert.AreEqual(expectedTotalMemoryMB, totalMemoryMB, 1);
}
public void TestGetCoreUsageByProcessName(string sourceProcDirectoryPath, int processID, string processName, string arguments, double expectedCoreUsageTotal)
{
const int SAMPLING_TIME_SECONDS = 3;
var procDirectory = ValidateLocalProcDirectory();
// Update the cpuinfo file in the local proc directory
CopyCPUInfoFile(procDirectory, sourceProcDirectoryPath);
// Update the cpu stat file in the local proc directory using sourceProcDirectoryPath
var sourceCpuStatFile1 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\CpuStat1\stat"));
var sourceCpuStatFile2 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\CpuStat2\stat"));
var targetCpuStatFile = CopyCPUStatFile(procDirectory, sourceCpuStatFile1);
// Update the process stat file in the local proc directory using sourceProcDirectoryPath
var sourceStatFile1 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\ProcStat1\stat"));
var sourceStatFile2 = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\ProcStat2\stat"));
var targetStatFile = CopyProcessStatFile(procDirectory, processID, sourceStatFile1);
// Update the process cmdline file in the local proc directory using sourceProcDirectoryPath
var sourceCmdLineFile = VerifyTestFile(Path.Combine(sourceProcDirectoryPath, processID + @"\ProcStat1\cmdline"));
var targetCmdLineFile = new FileInfo(Path.Combine(procDirectory.FullName, processID + @"\cmdline"));
if (targetCmdLineFile.Exists)
{
try
{
targetCmdLineFile.Delete();
}
catch (Exception ex)
{
Assert.Fail("Could not replace the local process cmdline file at " + targetCmdLineFile.FullName + ": " + ex.Message);
}
}
try
{
sourceCmdLineFile.CopyTo(targetCmdLineFile.FullName, true);
}
catch (Exception ex)
{
Assert.Fail("Could not copy the cmdline file to " + targetCmdLineFile.FullName + ": " + ex.Message);
}
var linuxSystemInfo = new LinuxSystemInfo();
var filesToCopy = new List <TestFileCopyInfo>
{
new TestFileCopyInfo(sourceCpuStatFile2, targetCpuStatFile),
new TestFileCopyInfo(sourceStatFile2, targetStatFile)
};
// Start a timer to replace the stat file in 2 seconds
var fileReplacerTimer = new Timer(ReplaceFiles, filesToCopy, (SAMPLING_TIME_SECONDS - 1) * 1000, -1);
var coreUsage = linuxSystemInfo.GetCoreUsageByProcessName(processName, arguments, out var processIDs, SAMPLING_TIME_SECONDS);
fileReplacerTimer.Dispose();
// Delay 1 second to allow threads to finish up
var startTime = DateTime.UtcNow;
while (true)
{
Thread.Sleep(250);
if (DateTime.UtcNow.Subtract(startTime).TotalMilliseconds >= 1000)
{
break;
}
}
Console.WriteLine("Core usage: {0:F2}", coreUsage);
Assert.AreEqual(expectedCoreUsageTotal, coreUsage, 0.1, "Core usage mismatch");
if (processIDs.Count == 1)
{
Console.WriteLine("Process ID: " + processIDs.First());
}
else
{
Console.WriteLine("Process IDs: " + string.Join(", ", processIDs));
}
}
