public AppModelDetectionResult Get()
{
AppModelDetector detector = new AppModelDetector();
var version = detector.Detect(new DirectoryInfo(Path.Combine(Environment.GetEnvironmentVariable("HOME_EXPANDED"), "site", "wwwroot")));
return(version);
}
static void Main(string[] args)
{
int processId = 0;
string daasOutputFilePath = args[0];
bool Is64bit = false;
bool collectRawStacks = args.Contains("collectRawStacks") ? true : false;
bool cpuStacksOnly = args.Contains("cpuStacksOnly") ? true : false;
if (cpuStacksOnly)
{
collectRawStacks = false;
}
Logger.Init("", daasOutputFilePath, "ClrProfilingCollector", true);
ClrProfilingCollectorStats stats = new ClrProfilingCollectorStats
{
StatsType = "ClrProfilingCollector"
};
bool failedToIdentifyProcessToTrace = false;
var childProcesses = new List <int>();
var childProcessNames = new List <string>();
try
{
AppModelDetector detector = new AppModelDetector();
var webconfigPath = new DirectoryInfo(Path.Combine(Environment.GetEnvironmentVariable("HOME_EXPANDED"), "site", "wwwroot"));
if (webconfigPath.Exists)
{
var version = detector.Detect(webconfigPath);
if (!string.IsNullOrWhiteSpace(version.CoreProcessName))
{
Logger.LogDiagnoserVerboseEvent($".Net Core detected - need to trace {version.CoreProcessName} as well");
childProcessNames.Add(version.CoreProcessName);
}
}
}
catch (Exception ex)
{
Logger.LogDiagnoserErrorEvent("Failed while reading configuration to check for .net core processes", ex);
}
foreach (var process in Process.GetProcesses())
{
if (process.ProcessName == "w3wp" && processId == 0)
{
try
{
var envVar = DaaS.Utilities.GetEnvironmentVariablesCore(process.Handle);
if (!DaaS.Utilities.GetIsScmSite(envVar))
{
processId = process.Id;
stats.ProcessId = processId;
stats.InstanceName = Environment.MachineName;
stats.SiteName = Logger.SiteName;
stats.ActivityId = Logger.ActivityId;
if (DaaS.Utilities.GetProcessBitness(process.Handle) == 64)
{
Is64bit = true;
}
}
}
catch (Exception ex)
{
Logger.LogDiagnoserErrorEvent("Finding right process failed", ex);
failedToIdentifyProcessToTrace = true;
}
}
else if (!string.IsNullOrWhiteSpace(process.ProcessName) && childProcessNames.Contains(process.ProcessName.ToLower()))
{
if (!childProcesses.Contains(process.Id) && process.Id != 0)
{
stats.DotNetCoreProcess = process.ProcessName;
Logger.LogDiagnoserVerboseEvent($"Added {process.Id} for {process.ProcessName} to the list of child processes to trace");
childProcesses.Add(process.Id);
}
}
}
if (processId == 0)
{
if (failedToIdentifyProcessToTrace == true)
{
Logger.TraceFatal("Failed to identify the process to trace. Please check the diaglog file for more information.");
}
else
{
Logger.TraceFatal("w3wp.exe for the Web App is not running. Before collecting a profiler trace, make sure that the worker process is started by making a request.");
}
return;
}
Logger.LogDiagnoserVerboseEvent($"Process to Trace is {processId.ToString()} on instance { Environment.MachineName } ");
var sleepDuration = ProfileManager.GetIisProfilingDuration().TotalSeconds;
stats.TraceDurationInSeconds = sleepDuration;
var startProfilingTime = DateTime.Now;
Logger.LogStatus("Starting profiler session");
var result = ProfileManager.StartProfile(processId, !cpuStacksOnly, childProcesses.ToArray());
if (result.StatusCode != System.Net.HttpStatusCode.OK)
{
Logger.TraceFatal($"Failed to profile process {processId.ToString()}. Profiling call failed with {result.StatusCode }", false);
Logger.LogDiagnoserErrorEvent($"Failed to start profiling for the process", $"Profiling call failed with {result.StatusCode } and message {result.Message}");
return;
}
else
{
Logger.LogDiagnoserEvent($"CLRProfilingSession Started with duration {sleepDuration}s");
}
var timeToStartProfile = DateTime.Now.Subtract(startProfilingTime).TotalSeconds;
stats.TimeToStartTraceInSeconds = timeToStartProfile;
Logger.LogInfo(string.Format("Started sleeping for {0} seconds", sleepDuration));
Logger.LogStatus($"Profiler session started. Profiler will stop automatically after {sleepDuration} seconds. At this point, please reproduce the problem or browse to your WebApp to ensure that requests get captured in the trace");
while (sleepDuration != 0)
{
Thread.Sleep(10 * 1000);
sleepDuration = sleepDuration - 10;
Logger.LogInfo(string.Format("{0} seconds remaining", sleepDuration));
}
var stopProfilingTime = DateTime.Now;
Logger.LogStatus("Stopping profiler session");
bool stopRetried = false;
stopProfilingLabel:
try
{
result = ProfileManager.StopProfile(processId);
if (result.StatusCode != System.Net.HttpStatusCode.OK)
{
if (!stopRetried)
{
stopRetried = true;
Logger.LogDiagnoserErrorEvent($"Failed to stop profiling for the process, going to retry once", $"Profiling call failed with {result.StatusCode } and message {result.Message}");
Thread.Sleep(5000);
goto stopProfilingLabel;
}
else
{
Logger.LogDiagnoserErrorEvent($"Failed to stop profiling for the process", $"Profiling call failed with {result.StatusCode } and message {result.Message}");
Logger.TraceFatal($"Failed to stop profiling for process { processId.ToString() }. Profiling call failed with { result.StatusCode }", false);
return;
}
}
}
catch (Exception ex)
{
Logger.TraceFatal($"Failed while stopping profiler with exception - {ex.Message}", false);
Logger.LogDiagnoserErrorEvent("Failed while stopping profiler", ex);
}
Logger.LogStatus($"Profiler session stopped");
var timeToStopProfile = DateTime.Now.Subtract(stopProfilingTime).TotalSeconds;
stats.TimeToStopTraceInSeconds = timeToStopProfile;
string filePath = result.FilePath;
stats.TraceFileName = filePath;
stats.TraceFileSizeInMb = GetFileSize(filePath);
try
{
if (File.Exists(filePath))
{
string zipFolderPath = CreateZipFolder(filePath);
if (collectRawStacks)
{
Logger.LogStatus("Collecting raw stack-traces");
var timeToCollectStackTraces = DateTime.Now;
CollectStackTracerLog(zipFolderPath, processId, Is64bit);
stats.TimeToGenerateRawStackTraces = DateTime.Now.Subtract(timeToCollectStackTraces).TotalSeconds;
Logger.LogInfo($"Took [{stats.TimeToGenerateRawStackTraces} s] to generate stacktraces.");
Logger.LogStatus("Collected raw stack-traces");
}
var zipFile = AddCollectedDataToZip(zipFolderPath, filePath);
// Copy the file to DAAS output folders
var daasOutputFolder = Path.Combine(daasOutputFilePath, Path.GetFileName(zipFile));
File.Copy(zipFile, daasOutputFolder, true);
Logger.LogDiagnoserVerboseEvent($"Copied temporary file [{zipFile}] to DAAS Folders [{daasOutputFolder}]");
try
{
// Delete the file generated by the Profiler as we already copied that to the DAAS folders
File.Delete(zipFile);
Logger.LogInfo($"Deleted [{zipFile}]");
foreach (var file in Directory.GetFiles(zipFolderPath))
{
try
{
File.Delete(file);
Logger.LogDiagnoserVerboseEvent($"Deleted {file}");
}
catch (Exception)
{
}
}
Directory.Delete(zipFolderPath);
Logger.LogDiagnoserVerboseEvent($"Deleted folder {zipFolderPath}");
}
catch (Exception ex)
{
Logger.LogDiagnoserErrorEvent($"Failed to cleanup temporary zip files and folders", ex);
}
}
}
catch (Exception ex)
{
Logger.TraceFatal($"Failed while copying the trace file - {filePath} \n {ex.Message} \n { ex.StackTrace} ");
}
Logger.TraceStats(JsonConvert.SerializeObject(stats));
Logger.LogDiagnoserEvent($"CLRProfilingSession completed");
}