static void Main(string[] argv)
{
BlockData.DebugLog = Console.Out;
if (argv.Length != 1)
{
Console.WriteLine("Please specify one input file");
return;
}
SyncLogFileReader reader = new SyncLogFileReader(argv [0]);
ProfilerEventHandler data = new ProfilerEventHandler();
data.LoadedElements.RecordHeapSnapshots = false;
while (!reader.HasEnded)
{
BlockData currentBlock = null;
try {
currentBlock = reader.ReadBlock();
currentBlock.Decode(data, reader);
} catch (DecodingException e) {
Console.WriteLine("Stopping decoding after a DecodingException in block of code {0}, length {1}, file offset {2}, block offset {3}: {4}", e.FailingData.Code, e.FailingData.Length, e.FailingData.FileOffset, e.OffsetInBlock, e.Message);
break;
}
}
PrintData(Console.Out, data);
}
static void PrintClassAllocationData(TextWriter writer, ProfilerEventHandler data, LoadedClass c, ulong totalAllocatedBytes)
{
double allocatedBytesPerClass = (double)c.AllocatedBytes;
writer.WriteLine("{0,5:F2}% ({1} bytes) {2}", ((allocatedBytesPerClass / totalAllocatedBytes) * 100), c.AllocatedBytes, c.Name);
if (data.Directives.AllocationsHaveStackTrace)
{
LoadedClass.AllocationsPerMethod[] allocationsPerMethodArray = c.Methods;
double cumulativeAllocatedBytesPerMethod = 0;
if (c.MethodsAtJitTimeCount > 0)
{
LoadedClass.AllocationsPerMethod[] allocationsPerMethodAtJitTime = c.MethodsAtJitTime;
LoadedClass.AllocationsPerMethod[] totalAllocationsPerMethod = new LoadedClass.AllocationsPerMethod [allocationsPerMethodArray.Length + allocationsPerMethodAtJitTime.Length];
Array.Copy(allocationsPerMethodArray, totalAllocationsPerMethod, allocationsPerMethodArray.Length);
Array.Copy(allocationsPerMethodAtJitTime, 0, totalAllocationsPerMethod, allocationsPerMethodArray.Length, allocationsPerMethodAtJitTime.Length);
allocationsPerMethodArray = totalAllocationsPerMethod;
}
if (allocationsPerMethodArray.Length != 0)
{
Array.Sort(allocationsPerMethodArray, LoadedClass.AllocationsPerMethod.CompareByAllocatedBytes);
Array.Reverse(allocationsPerMethodArray);
foreach (LoadedClass.AllocationsPerMethod allocationsPerMethod in allocationsPerMethodArray)
{
PrintMethodAllocationsPerClass(writer, allocationsPerMethod, false, cumulativeAllocatedBytesPerMethod < allocatedBytesPerClass * 0.7, 0.7);
cumulativeAllocatedBytesPerMethod += (double)allocationsPerMethod.AllocatedBytes;
}
}
}
else
{
LoadedClass.AllocationsPerMethod[] allocationsPerMethodArray = c.Methods;
if (allocationsPerMethodArray.Length != 0)
{
Array.Sort(allocationsPerMethodArray, LoadedClass.AllocationsPerMethod.CompareByAllocatedBytes);
Array.Reverse(allocationsPerMethodArray);
foreach (LoadedClass.AllocationsPerMethod allocationsPerMethod in allocationsPerMethodArray)
{
PrintMethodAllocationsPerClass(writer, allocationsPerMethod, false, false, 0);
}
}
if (c.MethodsAtJitTimeCount > 0)
{
allocationsPerMethodArray = c.MethodsAtJitTime;
Array.Sort(allocationsPerMethodArray, LoadedClass.AllocationsPerMethod.CompareByAllocatedBytes);
Array.Reverse(allocationsPerMethodArray);
foreach (LoadedClass.AllocationsPerMethod allocationsPerMethod in allocationsPerMethodArray)
{
PrintMethodAllocationsPerClass(writer, allocationsPerMethod, true, false, 0);
}
}
}
}
void InitializeBlocks()
{
uint fileOffset = 0;
bool hasEnded = false;
List <Block> result = new List <Block> ();
ulong counter = 0;
byte [] header = new byte [BlockData.BLOCK_HEADER_SIZE];
ProfilerEventHandler eventProcessor = new ProfilerEventHandler();
while (!hasEnded)
{
int bytesRead = stream.Read(header, 0, BlockData.BLOCK_HEADER_SIZE);
if (bytesRead != BlockData.BLOCK_HEADER_SIZE)
{
if (bytesRead == 0)
{
Console.WriteLine("WARNING: File truncated at offset {0} without end block", fileOffset);
break;
}
else
{
throw new Exception(String.Format("At file offset {0} block header is not complete", fileOffset));
}
}
fileOffset += (uint)BlockData.BLOCK_HEADER_SIZE;
counter += BlockData.DecodeHeaderBlockCounterDelta(header);
Block block = new Block(fileOffset, BlockData.DecodeHeaderBlockCode(header), (uint)BlockData.DecodeHeaderBlockLength(header), counter);
result.Add(block);
fileOffset += block.Length;
stream.Seek(fileOffset, SeekOrigin.Begin);
if (block.Code == BlockCode.INTRO)
{
ReadBlock(block).Decode(eventProcessor);
startCounter = eventProcessor.StartCounter;
startTime = eventProcessor.StartTime;
}
if (block.Code == BlockCode.END)
{
hasEnded = true;
ReadBlock(block).Decode(eventProcessor);
endCounter = eventProcessor.EndCounter;
endTime = eventProcessor.EndTime;
}
}
blocks = result.ToArray();
foreach (Block block in blocks)
{
block.TimeFromStart = eventProcessor.ClicksToTimeSpan(block.Counter);
}
}
public GcStatistics(ProfilerEventHandler data, uint collection)
{
this.data = data;
this.collection = collection;
startCounter = 0;
endCounter = 0;
markStartCounter = 0;
markEndCounter = 0;
sweepStartCounter = 0;
sweepEndCounter = 0;
generation = 0;
newHeapSize = null;
}
static void PrintExecutionTimeByCallStack(TextWriter writer, ProfilerEventHandler data, StackTrace stackFrame, double callerSeconds, int indentationLevel)
{
for (int i = 0; i < indentationLevel; i++)
{
writer.Write(" ");
}
LoadedMethod currentMethod = stackFrame.TopMethod;
double currentSeconds = data.ClicksToSeconds(stackFrame.Clicks);
writer.WriteLine("{0,5:F2}% ({1:F6}s, {2} calls) {3}.{4}", ((currentSeconds / callerSeconds) * 100), currentSeconds, stackFrame.Calls, currentMethod.Class.Name, currentMethod.Name);
foreach (StackTrace calledFrame in stackFrame.CalledFrames)
{
PrintExecutionTimeByCallStack(writer, data, calledFrame, currentSeconds, indentationLevel + 1);
}
}
static void PrintData(TextWriter writer, ProfilerEventHandler data)
{
LoadedClass[] classes = data.LoadedElements.Classes;
LoadedMethod[] methods = data.LoadedElements.Methods;
IStatisticalHitItem[] statisticalHitItems = data.StatisticalHitItems;
if ((data.Flags & ProfilerFlags.CLASS_EVENTS) != 0)
{
Array.Sort(classes, LoadedClass.CompareByAllocatedBytes);
Array.Reverse(classes);
ulong totalAllocatedBytes = 0;
foreach (LoadedClass c in classes)
{
totalAllocatedBytes += c.AllocatedBytes;
}
if (totalAllocatedBytes > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting allocations (on {0} classes)", classes.Length);
foreach (LoadedClass c in classes)
{
if (c.AllocatedBytes > 0)
{
PrintClassAllocationData(writer, data, c, totalAllocatedBytes);
}
}
}
else
{
writer.WriteLine("No allocations reported (on {0} classes)", classes.Length);
}
}
if ((data.Flags & ProfilerFlags.METHOD_EVENTS) != 0)
{
Array.Sort(methods, LoadedMethod.CompareByTotalClicks);
Array.Reverse(methods);
ulong totalExecutionClicks = 0;
foreach (LoadedMethod m in methods)
{
totalExecutionClicks += m.Clicks;
}
if (totalExecutionClicks > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting execution time (on {0} methods)", methods.Length);
foreach (LoadedMethod m in methods)
{
if (m.Clicks > 0)
{
writer.WriteLine("{0,5:F2}% ({1:F6}s) {2}.{3}", ((((double)m.Clicks) / totalExecutionClicks) * 100), data.ClicksToSeconds(m.Clicks), m.Class.Name, m.Name);
LoadedMethod.CallsPerCallerMethod[] callsPerCallerMethodArray = m.Callers;
if (callsPerCallerMethodArray.Length > 0)
{
Array.Sort(callsPerCallerMethodArray, LoadedMethod.CallsPerCallerMethod.CompareByCalls);
Array.Reverse(callsPerCallerMethodArray);
foreach (LoadedMethod.CallsPerCallerMethod callsPerCallerMethod in callsPerCallerMethodArray)
{
writer.WriteLine(" {0} calls from {1}.{2}", callsPerCallerMethod.Calls, callsPerCallerMethod.Callees.Class.Name, callsPerCallerMethod.Callees.Name);
}
}
}
}
PrintSeparator(writer);
writer.WriteLine("Reporting execution time by stack frame");
foreach (StackTrace rootFrame in data.RootFrames)
{
PrintExecutionTimeByCallStack(writer, data, rootFrame, data.ClicksToSeconds(totalExecutionClicks), 0);
}
}
else
{
writer.WriteLine("No execution time reported (on {0} methods)", methods.Length);
}
}
if ((data.Flags & ProfilerFlags.JIT_COMPILATION) != 0)
{
Array.Sort(methods, LoadedMethod.CompareByJitClicks);
Array.Reverse(methods);
ulong totalJitClicks = 0;
foreach (LoadedMethod m in methods)
{
totalJitClicks += m.JitClicks;
}
if (totalJitClicks > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting jit time (on {0} methods)", methods.Length);
foreach (LoadedMethod m in methods)
{
if (m.JitClicks > 0)
{
writer.WriteLine("{0,5:F2}% ({1:F3}ms) {2}.{3}", ((((double)m.JitClicks) / totalJitClicks) * 100), data.ClicksToSeconds(m.JitClicks) * 1000, m.Class.Name, m.Name);
}
}
}
else
{
writer.WriteLine("No jit time reported (on {0} methods)", methods.Length);
}
}
if ((data.Flags & ProfilerFlags.STATISTICAL) != 0)
{
Array.Sort(statisticalHitItems, StatisticalHitItemCallCounts.CompareByStatisticalHits);
Array.Reverse(statisticalHitItems);
ulong totalHits = 0;
foreach (IStatisticalHitItem s in statisticalHitItems)
{
totalHits += s.StatisticalHits;
}
if (totalHits > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting statistical hits ({0} hits recorded)", totalHits);
foreach (IStatisticalHitItem s in statisticalHitItems)
{
if ((s.StatisticalHits > 0) || s.HasCallCounts)
{
writer.WriteLine("{0,5:F2}% ({1}) {2}", ((((double)s.StatisticalHits) / totalHits) * 100), s.StatisticalHits, s.Name);
if (s.HasCallCounts)
{
StatisticalHitItemCallCounts callCounts = s.CallCounts;
if (callCounts.CallersCount > 0)
{
StatisticalHitItemCallInformation[] calls = callCounts.Callers;
foreach (StatisticalHitItemCallInformation call in calls)
{
writer.WriteLine(" {0} calls from {1}", call.Calls, call.Item.Name);
}
}
if (callCounts.CalleesCount > 0)
{
StatisticalHitItemCallInformation[] calls = callCounts.Callees;
foreach (StatisticalHitItemCallInformation call in calls)
{
writer.WriteLine(" {0} calls to {1}", call.Calls, call.Item.Name);
}
}
}
}
}
}
else
{
writer.WriteLine("No statistical hits reported (on {0} items)", statisticalHitItems.Length);
}
}
if (data.GlobalMonitorStatistics.ContainsData)
{
PrintSeparator(writer);
writer.WriteLine("Reporting monitor statistics.");
data.GlobalMonitorStatistics.WriteStatistics(writer, data);
}
ProfilerEventHandler.GcStatistics[] gcStatistics = data.GarbageCollectioncStatistics;
if (gcStatistics.Length > 0)
{
double totalTime = data.ClicksToSeconds(data.EndCounter - data.StartCounter);
double gcTime = 0;
double gcMarkTime = 0;
double gcSweepTime = 0;
int collections = 0;
foreach (ProfilerEventHandler.GcStatistics gcs in gcStatistics)
{
if (gcs.NewHeapSize == null)
{
collections++;
gcTime += gcs.Duration;
gcMarkTime += gcs.MarkDuration;
gcSweepTime += gcs.SweepDuration;
}
}
PrintSeparator(writer);
writer.WriteLine("Reporting GC statistics for {0} collections (total {1:F3}ms, {2,5:F2}% of total time, mark {3,5:F2}%, sweep {4,5:F2}%)",
collections,
gcTime * 1000,
(gcTime / totalTime) * 100,
(gcMarkTime / gcTime) * 100,
(gcSweepTime / gcTime) * 100);
foreach (ProfilerEventHandler.GcStatistics gcs in gcStatistics)
{
if (gcs.NewHeapSize == null)
{
ulong gcStartClicks = gcs.StartCounter - data.StartCounter;
writer.WriteLine("[{0}] Collection starting at {1:F3}s (generation {2}): duration {3:F3}ms, mark {4:F3}ms, sweep {5:F3}ms",
gcs.Collection,
data.ClicksToSeconds(gcStartClicks),
gcs.Generation,
gcs.Duration * 1000,
gcs.MarkDuration * 1000,
gcs.SweepDuration * 1000);
}
else
{
writer.WriteLine("[{0}] Heap resized to {1} bytes", gcs.Collection, gcs.NewHeapSize);
}
}
}
AllocationSummary [] allocationSummaries = data.AllocationSummaries;
if (allocationSummaries.Length > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting allocation summaries for {0} collections", allocationSummaries.Length);
foreach (AllocationSummary allocationSummary in allocationSummaries)
{
writer.WriteLine("Data for collection {0} written {1:F3}s since the application started",
allocationSummary.Collection, ((double)(allocationSummary.StartTime - data.StartTime).Milliseconds) / 1000);
AllocationClassData <LoadedClass>[] classData = allocationSummary.Data;
foreach (AllocationClassData <LoadedClass> cData in classData)
{
writer.WriteLine(" Class {0}: {1} bytes in {2} instances (freed: {3} bytes in {4} instances)",
cData.Class.Name,
cData.ReachableBytes,
cData.ReachableInstances,
cData.UnreachableBytes,
cData.UnreachableInstances);
}
}
}
HeapSnapshot[] heapSnapshots = data.LoadedElements.HeapSnapshots;
if (heapSnapshots.Length > 0)
{
PrintSeparator(writer);
writer.WriteLine("Reporting heap data for {0} collections", heapSnapshots.Length);
foreach (HeapSnapshot heapSnapshot in heapSnapshots)
{
HeapSnapshot.AllocationStatisticsPerClass [] allocationStatistics = heapSnapshot.AllocationStatistics;
writer.WriteLine("Heap data collection {0} started at {1} (duration {2:F3}ms)",
heapSnapshot.Collection,
data.CounterToDateTime(heapSnapshot.StartCounter),
data.ClicksToSeconds(heapSnapshot.EndCounter - heapSnapshot.StartCounter) * 1000);
if (allocationStatistics.Length > 0)
{
Array.Sort(allocationStatistics, HeapSnapshot.AllocationStatisticsPerClass.CompareByAllocatedBytes);
Array.Reverse(allocationStatistics);
uint totalAllocatedBytes = 0;
foreach (HeapSnapshot.AllocationStatisticsPerClass s in allocationStatistics)
{
totalAllocatedBytes += s.AllocatedBytes;
}
foreach (HeapSnapshot.AllocationStatisticsPerClass s in allocationStatistics)
{
if (s.AllocatedBytes > 0)
{
writer.WriteLine(" {0,5:F2}% {1} {2} bytes ({3} freed)", ((((double)s.AllocatedBytes) / totalAllocatedBytes) * 100), s.Class.Name, s.AllocatedBytes, s.FreedBytes);
}
}
}
else
{
writer.WriteLine("No allocation statistics for this collection)", statisticalHitItems.Length);
}
}
}
}
