private static string AnalyzeDumpFile(AnalysisRequest analysisRequest, string inprogressFile, CancellationToken token)
{
var blobSasUri = analysisRequest.BlobSasUri;
string cpuMonitorPath = MonitoringSessionController.GetCpuMonitoringPath(MonitoringSessionDirectories.Logs);
var diagnosticToolsPath = Infrastructure.Settings.GetDiagnosticToolsPath();
string outputPath = Path.Combine(cpuMonitorPath, analysisRequest.SessionId);
string inputFile = CacheFileInTempDirectory(analysisRequest);
string args = $@"-File ""{diagnosticToolsPath}\DumpAnalyzer.ps1"" ""{inputFile}"" ""{outputPath}""";
var command = @"D:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe";
Logger.LogCpuMonitoringVerboseEvent($"Powershell started with args [{args}]", analysisRequest.SessionId);
double secondsWaited = 0;
var processStartTime = DateTime.UtcNow;
var toolProcess = Infrastructure.RunProcess(command, args, analysisRequest.SessionId);
while (!toolProcess.HasExited)
{
//
// Keep updating the Expiration time while we are waiting for the DumpAnalyzer to finish
//
analysisRequest.ExpirationTime = DateTime.UtcNow.AddMinutes(ANALYSIS_HEARTBEAT_EXPIRATION_IN_MINUTES);
analysisRequest.ToJsonFile(inprogressFile);
Thread.Sleep(10 * 1000);
secondsWaited = secondsWaited + 10;
if (secondsWaited > 120)
{
secondsWaited = 0;
Logger.LogCpuMonitoringVerboseEvent($"Waiting for Analysis process {command} {args} to finish. Process running for {DateTime.UtcNow.Subtract(processStartTime).TotalSeconds} seconds", analysisRequest.SessionId);
}
if (token != CancellationToken.None && token.IsCancellationRequested)
{
Logger.LogCpuMonitoringVerboseEvent($"Kill tool process [{command} {args}] because cancellation is requested", analysisRequest.SessionId);
toolProcess.SafeKillProcess();
foreach (var dumpAnalyzer in Process.GetProcesses().Where(x => x.ProcessName.Equals("DumpAnalyzer", StringComparison.OrdinalIgnoreCase)))
{
Logger.LogCpuMonitoringVerboseEvent($"Going to kill [DumpAnalyzer ({dumpAnalyzer.Id})] because cancellation is requested", analysisRequest.SessionId);
dumpAnalyzer.SafeKillProcess();
}
token.ThrowIfCancellationRequested();
}
}
// Delete the file in the temp directory once analysis is done
FileSystemHelpers.DeleteFileSafe(inputFile);
if (toolProcess.ExitCode != 0)
{
throw new Exception($"Analysis process exited with error code {toolProcess.ExitCode}");
}
var reportNamePattern = Path.GetFileNameWithoutExtension(analysisRequest.LogFileName) + "*.mht";
var reportFilePath = FileSystemHelpers.GetFilesInDirectory(outputPath, reportNamePattern).FirstOrDefault();
Logger.LogCpuMonitoringVerboseEvent($"DumpAnalyzer completed and reportPath is [{reportFilePath}]", analysisRequest.SessionId);
return(reportFilePath);
}
