public static JStackDump ParseJstackLog(string log)
{
JStackDump stackDump = new JStackDump();
List <JavaThread> threads = new List <JavaThread>();
stackDump.Threads = threads;
JavaThread currentThread = null;
foreach (var line in File.ReadAllLines(log))
{
if (line.StartsWith("Thread "))
{
string state = string.Empty;
int threadId = JavaThread.GetThreadIdandState(line, out state);
JavaThread j = new JavaThread
{
Id = threadId,
State = state,
CallStack = new List <string>()
};
threads.Add(j);
currentThread = j;
}
else
{
if (currentThread == null)
{
if (line.ToLower().Contains("Java-level deadlock".ToLower()))
{
stackDump.DeadlockMessage = line;
}
else
{
if (!string.IsNullOrWhiteSpace(stackDump.DeadlockMessage))
{
if (!string.IsNullOrWhiteSpace(line))
{
stackDump.DeadlockMessage += Environment.NewLine + line;
}
}
}
continue;
}
else
{
if (line.StartsWith(" - "))
{
currentThread.CallStack.Add(line.Replace(" - ", ""));
}
}
}
}
foreach (var t in threads)
{
t.CallStackHash = string.Join(",", t.CallStack).GetHashCode();
}
return(stackDump);
}
static void Main(string[] args)
{
m_jStackLog = args[0];
m_OutputPath = args[1];
if (!IsValidFile())
{
return;
}
DaaS.Logger.Init(m_jStackLog, m_OutputPath, "jStackAnalyzer", false);
JavaThreadParserStats stats = new JavaThreadParserStats
{
StatsType = "JavaThreadParserStats",
ActivityId = DaaS.Logger.ActivityId,
SiteName = DaaS.Logger.SiteName,
TraceFileName = m_jStackLog,
};
try
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
DaaS.Logger.LogDiagnoserEvent($"Opening JStack LogFile {m_jStackLog} and outputPath is { m_OutputPath}");
m_InstanceName = GetMachineName(m_jStackLog);
stats.InstanceName = m_InstanceName;
DaaS.Logger.LogDiagnoserVerboseEvent($"Instance name is { m_InstanceName}");
m_OutputPathWithInstanceName = Path.Combine(m_OutputPath, m_InstanceName);
Directory.CreateDirectory(Path.Combine(m_OutputPathWithInstanceName, "reportdata"));
CopyStaticContent(m_OutputPath);
var stackDump = JavaThread.ParseJstackLog(m_jStackLog);
stopWatch.Stop();
stats.TimeToParseLogInSeconds = stopWatch.Elapsed.TotalSeconds;
stackDump.FileName = Path.GetFileName(m_jStackLog);
stackDump.Timestamp = DateTime.Now.ToString("u");
stackDump.SiteName = DaaS.Logger.SiteName;
stackDump.FullFilePath = m_jStackLog;
stackDump.MachineName = m_InstanceName;
using (StreamWriter file = File.CreateText(Path.Combine(m_OutputPathWithInstanceName, "reportdata", "stackDump.json")))
{
var jsonWriter = new JsonTextWriter(file)
{
Formatting = Formatting.Indented
};
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(jsonWriter, stackDump);
}
DaaS.Logger.TraceStats(JsonConvert.SerializeObject(stats));
}
catch (Exception ex)
{
DaaS.Logger.LogDiagnoserErrorEvent("Failed while analyzing the jstacklog", ex);
DaaS.Logger.TraceFatal($"Failed while analyzing the trace with exception - {ex.GetType().ToString()}: {ex.Message}", false);
}
}
