Esempio n. 1
0
        public static JITStatsEx Create(TraceLoadedDotNetRuntime mang)
        {
            JITStatsEx stats = new JITStatsEx();

            if (mang.JIT.Stats().BackgroundJitThread != 0)
            {
                stats.TotalBGJITStats = new JITStats();
                foreach (TraceJittedMethod _method in mang.JIT.Methods)
                {
                    stats.TotalBGJITStats.AddMethodToStatistics(_method);
                }
            }

            // Compute module level stats, we do it here because we may not have the IL method name until late.
            stats.TotalModuleStats = new SortedDictionary <string, JITStats>(StringComparer.OrdinalIgnoreCase);
            foreach (var _method in mang.JIT.Methods)
            {
                if (_method.ModuleILPath != null)
                {
                    if (!stats.TotalModuleStats.ContainsKey(_method.ModuleILPath))
                    {
                        stats.TotalModuleStats.Add(_method.ModuleILPath, new JITStats());
                    }
                    JITStats moduleStats = stats.TotalModuleStats[_method.ModuleILPath];
                    moduleStats.AddMethodToStatistics(_method);
                }
            }

            return(stats);
        }
Esempio n. 2
0
        public static void ToXml(TextWriter writer, TraceProcess stats, TraceLoadedDotNetRuntime runtime, string indent)
        {
            JITStatsEx statsEx = JITStatsEx.Create(runtime);

            // TODO pay attention to indent;
            writer.Write(" <JitProcess Process=\"{0}\" ProcessID=\"{1}\" JitTimeMSec=\"{2:n3}\" Count=\"{3}\" ILSize=\"{4}\" NativeSize=\"{5}\"",
                         stats.Name, stats.ProcessID, runtime.JIT.Stats().TotalCpuTimeMSec, runtime.JIT.Stats().Count, runtime.JIT.Stats().TotalILSize, runtime.JIT.Stats().TotalNativeSize);
            if (stats.CPUMSec != 0)
            {
                writer.Write(" ProcessCpuTimeMsec=\"{0}\"", stats.CPUMSec);
            }
            if (!string.IsNullOrEmpty(stats.CommandLine))
            {
                writer.Write(" CommandLine=\"{0}\"", XmlUtilities.XmlEscape(stats.CommandLine, false));
            }
            writer.WriteLine(">");
            writer.WriteLine("  <JitEvents>");
            foreach (TraceJittedMethod _event in runtime.JIT.Methods)
            {
                ToXml(writer, _event);
            }
            writer.WriteLine("  </JitEvents>");

            writer.WriteLine(" <ModuleStats Count=\"{0}\" TotalCount=\"{1}\" TotalJitTimeMSec=\"{2:n3}\" TotalILSize=\"{3}\" TotalNativeSize=\"{4}\">",
                             statsEx.TotalModuleStats.Count, runtime.JIT.Stats().Count, runtime.JIT.Stats().TotalCpuTimeMSec, runtime.JIT.Stats().TotalILSize, runtime.JIT.Stats().TotalNativeSize);

            // Sort the module list by Jit Time;
            List <string> moduleNames = new List <string>(statsEx.TotalModuleStats.Keys);

            moduleNames.Sort(delegate(string x, string y)
            {
                double diff = statsEx.TotalModuleStats[y].TotalCpuTimeMSec - statsEx.TotalModuleStats[x].TotalCpuTimeMSec;
                if (diff > 0)
                {
                    return(1);
                }
                else if (diff < 0)
                {
                    return(-1);
                }
                return(0);
            });

            foreach (string moduleName in moduleNames)
            {
                JITStats info = statsEx.TotalModuleStats[moduleName];
                writer.Write("<Module");
                writer.Write(" JitTimeMSec={0}", StringUtilities.QuotePadLeft(info.TotalCpuTimeMSec.ToString("n3"), 11));
                writer.Write(" Count={0}", StringUtilities.QuotePadLeft(info.Count.ToString(), 7));
                writer.Write(" ILSize={0}", StringUtilities.QuotePadLeft(info.TotalILSize.ToString(), 9));
                writer.Write(" NativeSize={0}", StringUtilities.QuotePadLeft(info.TotalNativeSize.ToString(), 9));
                writer.Write(" Name=\"{0}\"", moduleName);
                writer.WriteLine("/>");
            }
            writer.WriteLine("  </ModuleStats>");

            writer.WriteLine(" </JitProcess>");
        }
        private void Clr_MethodJittingStarted(MethodJittingStartedTraceData obj)
        {
            IncompleteActionDesc incompleteDesc = new IncompleteActionDesc();

            incompleteDesc.Start         = new EventUID(obj);
            incompleteDesc.Name          = JITStats.GetMethodName(obj);
            incompleteDesc.OperationType = "JIT";

            IdOfIncompleteAction id = new IdOfIncompleteAction();

            id.Identifier = obj.MethodID;
            id.ThreadID   = obj.ThreadID;

            _incompleteJitEvents[id] = incompleteDesc;
        }
Esempio n. 4
0
        public static void ToHtml(TextWriter writer, TraceProcess stats, TraceLoadedDotNetRuntime runtime, string fileName)
        {
            JITStatsEx statsEx = JITStatsEx.Create(runtime);

            var  usersGuideFile    = ClrStatsUsersGuide.WriteUsersGuide(fileName);
            bool hasInliningEvents = runtime.JIT.Stats().InliningSuccesses.Count > 0 || runtime.JIT.Stats().InliningFailures.Count > 0;

            writer.WriteLine("<H3><A Name=\"Stats_{0}\"><font color=\"blue\">JIT Stats for for Process {1,5}: {2}</font><A></H3>", stats.ProcessID, stats.ProcessID, stats.Name);
            writer.WriteLine("<UL>");
            {
                if (!string.IsNullOrEmpty(stats.CommandLine))
                {
                    writer.WriteLine("<LI>CommandLine: {0}</LI>", stats.CommandLine);
                }

                writer.WriteLine("<LI>Process CPU Time: {0:n0} msec</LI>", stats.CPUMSec);
                writer.WriteLine("<LI>Guidance on JIT data:");
                writer.WriteLine("<UL>");
                {
                    writer.WriteLine("<LI> <A HREF=\"{0}#UnderstandingJITPerf\">JIT Perf Users Guide</A></LI>", usersGuideFile);

                    if (runtime.JIT.Stats().BackgroundJitThread != 0 || runtime.JIT.Stats().BackgroundJitAbortedAtMSec != 0)
                    {
                        writer.WriteLine("<LI>Background JIT compilation (System.Runtime.ProfileOptimize) in use - <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide</A></LI>", usersGuideFile);
                        writer.WriteLine(" <UL>");

                        if (runtime.JIT.Stats().RecordedModules.Count == 0)
                        {
                            writer.WriteLine(" <LI><font color=\"red\">This trace is missing some background JIT events, which could result in incorrect information in the background JIT blocking reason column.</font></LI>");
                            writer.WriteLine(" <LI><font color=\"red\">Re-collect the trace enabling \"Background JIT\" events on the collection menu to fix this.</font></LI>");
                        }

                        if (runtime.JIT.Stats().BackgroundJitAbortedAtMSec != 0)
                        {
                            writer.WriteLine("  <LI><font color=\"red\">WARNING: Background JIT aborted at {0:n3} Msec</font></LI>", runtime.JIT.Stats().BackgroundJitAbortedAtMSec);
                            writer.WriteLine("  <LI>The last assembly before the abort was '{0}' loaded {1} at {2:n3}</LI>",
                                             runtime.JIT.Stats().LastAssemblyLoadNameBeforeAbort, runtime.JIT.Stats().LastAssemblyLoadBeforeAbortSuccessful ? "successfully" : "unsuccessfully",
                                             runtime.JIT.Stats().LastAssemblyLoadBeforeAbortMSec);
                        }

                        writer.WriteLine(" </UL>");
                    }
                    else if (runtime.JIT.Stats().BackgroundJitThread == 0)
                    {
                        if (runtime.JIT.Stats().BackgroundJITEventsOn)
                        {
                            writer.WriteLine("<LI>Background JIT compilation (System.Runtime.ProfileOptimize) not in use - <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide</A></LI>", usersGuideFile);
                            writer.WriteLine("<UL><LI>If there is a lot of JIT time enabling this may improve startup performance</LI></UL>");
                        }
                        else
                        {
                            writer.WriteLine("<LI>Background JIT compilation (System.Runtime.ProfileOptimize) events are not being collected - <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide</A></LI>", usersGuideFile);
                            writer.WriteLine("<UL><LI>If you are interested in seeing them enable the 'Background JIT' checkbox in the 'Advanced' section of the collection dialog when collecting the data.</LI></UL>");
                        }
                    }

                    if (!runtime.IsTieredCompilationEnabled)
                    {
                        writer.WriteLine("<LI>Tiered compilation not in use - <A HREF=\"{0}#UnderstandingTieredCompilation\">Guide</A></LI>", usersGuideFile);
                        writer.WriteLine("<UL><LI>On .Net Core, enabling this may improve application performance</LI></UL>");
                    }
                    else
                    {
                        writer.WriteLine("<LI>Tiered compilation in use - <A HREF=\"{0}#UnderstandingTieredCompilation\">Guide</A></LI>", usersGuideFile);
                    }
                }
                writer.WriteLine("</UL>");
                writer.WriteLine("</LI>");

                writer.WriteLine("<LI>Raw data:");
                writer.WriteLine("<UL>");
                {
                    writer.WriteLine("<LI>Individual JIT Events <A HREF=\"#Events_{0}\">Html</A> | <A HREF=\"command:excel/{0}\">Excel</A></LI>", stats.ProcessID);
                    if (hasInliningEvents)
                    {
                        writer.WriteLine("<LI>Inlining Decisions <A HREF=\"#Inlining_{0}\">Html</A> | <A HREF=\"command:excelInlining/{0}\">Excel</A></LI>", stats.ProcessID);
                    }
                    else
                    {
                        writer.WriteLine("<LI><I>No JIT Inlining data available.  Consider enabling the JITInlining option.</I></LI>");
                    }

                    if (runtime.JIT.Stats().BackgroundJitThread != 0 || runtime.JIT.Stats().BackgroundJitAbortedAtMSec != 0)
                    {
                        writer.WriteLine("<LI>Background Jit Diagnostics <A HREF=\"command:excelBackgroundDiag/{0}\">Excel</A></LI>", stats.ProcessID);
                    }
                }
                writer.WriteLine("</UL>");
                writer.WriteLine("</LI>");


                //
                // Summary table by trigger
                //

                writer.WriteLine("<LI> Summary of jitting time by trigger:");

                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.WriteLine("<TR>" +
                                 "<TH Title=\"The reason why the JIT was invoked.\">Jitting Trigger</TH>" +
                                 "<TH Title=\"The number of times the JIT was invoked\">Num Compilations</TH>" +
                                 "<TH Title=\"The % of all compilations that triggered by this trigger\">% of total jitted compilations</TH>" +
                                 "<TH Title=\"The total time used by all compilations with the given trigger\">Jit Time msec</TH>" +
                                 "<TH Title=\"The total time used by all compilations with the given trigger as a % of total CPU time used for the process\">Jit Time (% of total process CPU)</TH>" +
                                 "</TR>");
                writer.WriteLine(FormatThreadingModelTableRow("TOTAL", runtime.JIT.Stats().Count, runtime.JIT.Stats().TotalCpuTimeMSec, stats, runtime));
                writer.WriteLine(FormatThreadingModelTableRow(CompilationThreadKind.Foreground, runtime.JIT.Stats().CountForeground, runtime.JIT.Stats().TotalForegroundCpuTimeMSec, stats, runtime));
                writer.WriteLine(FormatThreadingModelTableRow(CompilationThreadKind.MulticoreJitBackground, runtime.JIT.Stats().CountBackgroundMultiCoreJit, runtime.JIT.Stats().TotalBackgroundMultiCoreJitCpuTimeMSec, stats, runtime));
                writer.WriteLine(FormatThreadingModelTableRow(CompilationThreadKind.TieredCompilationBackground, runtime.JIT.Stats().CountBackgroundTieredCompilation, runtime.JIT.Stats().TotalBackgroundTieredCompilationCpuTimeMSec, stats, runtime));

                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
                writer.WriteLine("</LI>");

                //
                // Module table
                //

                // Sort the module list by Jit Time;
                List <string> moduleNames = new List <string>(statsEx.TotalModuleStats.Keys);
                moduleNames.Sort(delegate(string x, string y)
                {
                    double diff = statsEx.TotalModuleStats[y].TotalCpuTimeMSec - statsEx.TotalModuleStats[x].TotalCpuTimeMSec;
                    if (diff > 0)
                    {
                        return(1);
                    }
                    else if (diff < 0)
                    {
                        return(-1);
                    }

                    return(0);
                });


                writer.WriteLine("<LI> Summary of jitting time by module:</P>");
                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.Write("<TR>" +
                             "<TH Title=\"The name of the module\">Name</TH>" +
                             "<TH Title=\"The total CPU time spent jitting for all methods in this module\">JitTime<BR/>msec</TH>" +
                             "<TH Title=\"The number of times the JIT was invoked for methods in this module\">Num Compilations</TH>" +
                             "<TH Title=\"The total amount of IL processed by the JIT for all methods in this module\">IL Size</TH>" +
                             "<TH Title=\"The total amount of native code produced by the JIT for all methods in this module\">Native Size</TH>" +
                             "<TH Title=\"Time spent jitting synchronously to produce code for methods that were just invoked. These compilations often consume time at startup.\">" + GetLongNameForThreadClassification(CompilationThreadKind.Foreground) + "<BR/>msec</TH>" +
                             "<TH Title=\"Time spent jitting asynchronously to produce code for methods the runtime speculates will be invoked in the future.\">" + GetLongNameForThreadClassification(CompilationThreadKind.MulticoreJitBackground) + "<BR/>msec</TH>" +
                             "<TH Title=\"Time spent jitting asynchronously to produce code for methods that is more optimized than their initial code.\">" + GetLongNameForThreadClassification(CompilationThreadKind.TieredCompilationBackground) + "<BR/>msec</TH>");

                if (runtime.JIT.Stats().IsJitAllocSizePresent)
                {
                    writer.Write("<TH Title=\"The total amount of heap memory requested for the code produced by the JIT for all methods in this module.  \">JIT Hotcode request size</TH>");
                    writer.Write("<TH Title=\"The total amount of heap memory requested for the read-only data of code produced by the JIT for all methods in this module.  \">JIT RO-data request size</TH>");
                    writer.Write("<TH Title=\"The total amount of heap memory allocated for the code produced by the JIT for all methods in this module. \">Allocated size for JIT code</TH>");
                }

                writer.WriteLine("</TR>");

                string moduleTableRow = "<TR>" +
                                        "<TD Align=\"Left\">{0}</TD>" +
                                        "<TD Align=\"Center\">{1:n1}</TD>" +
                                        "<TD Align=\"Center\">{2:n0}</TD>" +
                                        "<TD Align=\"Center\">{3:n0}</TD>" +
                                        "<TD Align=\"Center\">{4:n0}</TD>" +
                                        "<TD Align=\"Center\">{5:n1}</TD>" +
                                        "<TD Align=\"Center\">{6:n1}</TD>" +
                                        "<TD Align=\"Center\">{7:n1}</TD>";

                writer.Write(moduleTableRow,
                             "TOTAL",
                             runtime.JIT.Stats().TotalCpuTimeMSec,
                             runtime.JIT.Stats().Count,
                             runtime.JIT.Stats().TotalILSize,
                             runtime.JIT.Stats().TotalNativeSize,
                             runtime.JIT.Stats().TotalForegroundCpuTimeMSec,
                             runtime.JIT.Stats().TotalBackgroundMultiCoreJitCpuTimeMSec,
                             runtime.JIT.Stats().TotalBackgroundTieredCompilationCpuTimeMSec);

                string allocSizeColumns = "";
                if (runtime.JIT.Stats().IsJitAllocSizePresent)
                {
                    allocSizeColumns +=
                        "<TD Align=\"Center\">{0:n0}</TD>" +
                        "<TD Align=\"Center\">{1:n0}</TD>" +
                        "<TD Align=\"Center\">{2:n0}</TD>";

                    writer.Write(allocSizeColumns,
                                 runtime.JIT.Stats().TotalHotCodeAllocSize,
                                 runtime.JIT.Stats().TotalRODataAllocSize,
                                 runtime.JIT.Stats().TotalAllocSizeForJitCode);
                }
                writer.WriteLine();

                foreach (string moduleName in moduleNames)
                {
                    JITStats info = statsEx.TotalModuleStats[moduleName];
                    writer.Write(moduleTableRow,
                                 moduleName.Length == 0 ? "&lt;UNKNOWN&gt;" : moduleName,
                                 info.TotalCpuTimeMSec,
                                 info.Count,
                                 info.TotalILSize,
                                 info.TotalNativeSize,
                                 info.TotalForegroundCpuTimeMSec,
                                 info.TotalBackgroundMultiCoreJitCpuTimeMSec,
                                 info.TotalBackgroundTieredCompilationCpuTimeMSec);

                    if (runtime.JIT.Stats().IsJitAllocSizePresent)
                    {
                        writer.Write(allocSizeColumns,
                                     info.TotalHotCodeAllocSize,
                                     info.TotalRODataAllocSize,
                                     info.TotalAllocSizeForJitCode);
                    }

                    writer.WriteLine("</TR>");
                }
                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
                writer.WriteLine("</LI>");
            }
            writer.WriteLine("</UL>");

            bool backgroundJitEnabled = runtime.JIT.Stats().BackgroundJitThread != 0;

            writer.WriteLine("<HR/>");
            writer.WriteLine("<H4><A Name=\"Events_{0}\">Individual JIT Events for Process {1,5}: {2}<A></H4>", stats.ProcessID, stats.ProcessID, stats.Name);

            // We limit the number of JIT events we ut on the page because it makes the user exerience really bad (browsers crash)
            const int maxEvents = 1000;

            if (runtime.JIT.Methods.Count >= maxEvents)
            {
                writer.WriteLine("<p><Font color=\"red\">Warning: Truncating JIT events to " + maxEvents + ".  <A HREF=\"command:excel/{0}\">View in excel</A> to look all of them.</font></p>", stats.ProcessID);
            }

            bool showOptimizationTiers = ShouldShowOptimizationTiers(runtime);

            writer.WriteLine("<Center>");
            writer.WriteLine("<Table Border=\"1\">");
            writer.Write(
                "<TR>" +
                "<TH>Start<BR/>(msec)</TH>" +
                "<TH>Jit Time<BR/>(msec)</TH>" +
                "<TH>IL<BR/>Size</TH>" +
                "<TH>Native<BR/>Size</TH>");

            if (runtime.JIT.Stats().IsJitAllocSizePresent)
            {
                writer.Write(
                    "<TH>JIT Hotcode<BR/>request size</TH>" +
                    "<TH>JIT RO-data<BR/>request size</TH>" +
                    "<TH>Allocated size<BR/>for JIT code</TH>" +
                    "<TH>JIT Allocation<BR/>Flags</TH>"
                    );
            }

            if (showOptimizationTiers)
            {
                writer.Write("<TH Title=\"The optimization tier at which the method was jitted.\">Optimization<BR/>Tier</TH>");
            }
            writer.Write(
                "<TH>Method Name</TH>" +
                "<TH Title=\"Is Jit compilation occurring in the background for Multicore JIT (MC), in the background for tiered compilation (TC), or in the foreground on first execution of a method (FG).\">Trigger</TH>" +
                "<TH>Module</TH>");
            if (backgroundJitEnabled)
            {
                writer.Write(
                    "<TH Title=\"How far ahead of the method usage was relative to the background JIT operation.\">Distance Ahead</TH>" +
                    "<TH Title=\"Why the method was not JITTed in the background.\">Background JIT Blocking Reason</TH>");
            }
            writer.WriteLine("</TR>");
            int eventCount = 0;

            foreach (TraceJittedMethod _event in runtime.JIT.Methods)
            {
                writer.Write(
                    "<TR>" +
                    "<TD Align=\"Center\">{0:n3}</TD>" +
                    "<TD Align=\"Center\">{1:n1}</TD>" +
                    "<TD Align=\"Center\">{2:n0}</TD>" +
                    "<TD Align=\"Center\">{3:n0}</TD>",
                    _event.StartTimeMSec,
                    _event.CompileCpuTimeMSec,
                    _event.ILSize,
                    _event.NativeSize);

                if (_event.IsJitAllocSizePresent)
                {
                    writer.Write(
                        "<TD Align=\"Center\">{0}</TD>" +
                        "<TD Align=\"Center\">{1}</TD>" +
                        "<TD Align=\"Center\">{2}</TD>" +
                        "<TD Align=\"Center\">{3}</TD>",
                        _event.JitHotCodeRequestSize,
                        _event.JitRODataRequestSize,
                        _event.AllocatedSizeForJitCode,
                        _event.JitAllocFlag
                        );
                }

                if (showOptimizationTiers)
                {
                    writer.Write(
                        "<TD Align=\"Center\">{0}</TD>",
                        _event.OptimizationTier == OptimizationTier.Unknown ? string.Empty : _event.OptimizationTier.ToString());
                }
                writer.Write(
                    "<TD Align=Left>{0}</TD>" +
                    "<TD Align=\"Center\">{1}</TD>" +
                    "<TD Align=\"Center\">{2}</TD>",
                    _event.MethodName ?? "&nbsp;",
                    GetShortNameForThreadClassification(_event.CompilationThreadKind),
                    _event.ModuleILPath.Length != 0 ? Path.GetFileName(_event.ModuleILPath) : "&lt;UNKNOWN&gt;");
                if (backgroundJitEnabled)
                {
                    writer.Write(
                        "<TD Align=\"Center\">{0:n3}</TD>" +
                        "<TD Align=\"Left\">{1}</TD>",
                        _event.DistanceAhead,
                        _event.CompilationThreadKind == CompilationThreadKind.MulticoreJitBackground ? "Not blocked" : _event.BlockedReason);
                }
                writer.WriteLine("</TR>");
                eventCount++;
                if (eventCount >= maxEvents)
                {
                    break;
                }
            }
            writer.WriteLine("</Table>");
            writer.WriteLine("</Center>");

            if (hasInliningEvents)
            {
                writer.WriteLine("<HR/>");
                writer.WriteLine("<A Name=\"Inlining_{0}\">", stats.ProcessID);
                writer.WriteLine("<H4>Successful Inlinings for Process {0,5}: {1}<A></H4>", stats.ProcessID, stats.Name);
                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.Write("<TR><TH>Method Begin Compiled</TH><TH>Inliner</TH><TH>Inlinee</TH></TR>");
                foreach (InliningSuccessResult success in runtime.JIT.Stats().InliningSuccesses)
                {
                    writer.Write("<TR><TD>{0}</TD><TD>{1}</TD><TD>{2}</TD></TR>", success.MethodBeingCompiled, success.Inliner, success.Inlinee);
                }
                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
                writer.WriteLine("<H4>Failed Inlinings for Process {0,5}: {1}<A></H4>", stats.ProcessID, stats.Name);
                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.Write("<TR><TH>Method Begin Compiled</TH><TH>Inliner</TH><TH>Inlinee</TH><TH>Failure Reason</TH></TR>");
                foreach (InliningFailureResult failure in runtime.JIT.Stats().InliningFailures)
                {
                    writer.Write("<TR><TD>{0}</TD><TD>{1}</TD><TD>{2}</TD><TD>{3}</TD></TR>", failure.MethodBeingCompiled, failure.Inliner, failure.Inlinee, failure.Reason);
                }
                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
            }

            writer.WriteLine("<HR/><HR/><BR/><BR/>");
        }
Esempio n. 5
0
        public static void ToHtml(TextWriter writer, TraceProcess stats, TraceLoadedDotNetRuntime runtime, string fileName)
        {
           JITStatsEx statsEx = JITStatsEx.Create(runtime);

            var usersGuideFile = ClrStatsUsersGuide.WriteUsersGuide(fileName);
            bool hasInliningEvents = runtime.JIT.Stats().InliningSuccesses.Count > 0 || runtime.JIT.Stats().InliningFailures.Count > 0;

            writer.WriteLine("<H3><A Name=\"Stats_{0}\"><font color=\"blue\">JIT Stats for for Process {1,5}: {2}</font><A></H3>",stats.ProcessID, stats.ProcessID, stats.Name);
            writer.WriteLine("<UL>");
            if (!runtime.JIT.Stats().IsClr4)
                writer.WriteLine("<LI><Font color=\"red\">Warning: Could not confirm that a V4.0 CLR was loaded.  JitTime or ILSize can only be computed for V4.0 runtimes.  Otherwise their value will appear as 0.</font></LI>");
            if (!string.IsNullOrEmpty(stats.CommandLine))
                writer.WriteLine("<LI>CommandLine: {0}</LI>", stats.CommandLine);
            writer.WriteLine("<LI>Process CPU Time: {0:n0} msec</LI>", stats.CPUMSec);
            if (runtime.JIT.Stats().BackgroundJitThread != 0 || runtime.JIT.Stats().BackgroundJitAbortedAtMSec != 0)
            {
                writer.WriteLine("<LI>This process uses Background JIT compilation (System.Runtime.ProfileOptimize)</LI>");
                writer.WriteLine(" <UL>");

                if (runtime.JIT.Stats().RecordedModules.Count == 0)
                {
                    writer.WriteLine(" <LI><font color=\"red\">This trace is missing some background JIT events, which could result in incorrect information in the background JIT blocking reason column.</font></LI>");
                    writer.WriteLine(" <LI><font color=\"red\">Re-collect the trace enabling \"Background JIT\" events on the collection menu to fix this.</font></LI>");
                }

                if (runtime.JIT.Stats().BackgroundJitAbortedAtMSec != 0)
                {
                    writer.WriteLine("  <LI><font color=\"red\">WARNING: Background JIT aborted at {0:n3} Msec</font></LI>", runtime.JIT.Stats().BackgroundJitAbortedAtMSec);
                    writer.WriteLine("  <LI>The last assembly before the abort was '{0}' loaded {1} at {2:n3}</LI>",
                        runtime.JIT.Stats().LastAssemblyLoadNameBeforeAbort, runtime.JIT.Stats().LastAssemblyLoadBeforeAbortSuccessful ? "successfully" : "unsuccessfully",
                        runtime.JIT.Stats().LastAssemblyLoadBeforeAbortMSec);
                }

                if (runtime.JIT.Stats().BackgroundJitThread != 0)
                {
                    var foregroundJitTimeMSec = runtime.JIT.Stats().TotalCpuTimeMSec - statsEx.TotalBGJITStats.TotalCpuTimeMSec;
                    writer.WriteLine("  <LI><strong>JIT time NOT moved to background thread</strong> : {0:n0}</LI> ({1:n1}%)",
                          foregroundJitTimeMSec, foregroundJitTimeMSec * 100.0 / runtime.JIT.Stats().TotalCpuTimeMSec);

                    var foregroundCount = runtime.JIT.Stats().Count - statsEx.TotalBGJITStats.Count;
                    writer.WriteLine("  <LI>Methods Not moved to background thread: {0:n0} ({1:n1}%)</LI>",
                        foregroundCount, foregroundCount * 100.0 / runtime.JIT.Stats().Count);

                    writer.WriteLine("  <LI>Methods Background JITTed : {0:n0} ({1:n1}%)</LI>",
                        statsEx.TotalBGJITStats.Count, statsEx.TotalBGJITStats.Count * 100.0 / runtime.JIT.Stats().Count);

                    writer.WriteLine("  <LI>MSec Background JITTing : {0:n0}</LI>", statsEx.TotalBGJITStats.TotalCpuTimeMSec);
                    writer.WriteLine("  <LI>Background JIT Thread : {0}</LI>", runtime.JIT.Stats().BackgroundJitThread);
                }
                writer.WriteLine("  <LI> <A HREF=\"command:excelBackgroundDiag/{0}\">View Raw Background Jit Diagnostics</A></LI></UL>", stats.ProcessID);
                writer.WriteLine("  <LI> See <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide to Background JIT</A></LI> for more on background JIT", usersGuideFile);
                writer.WriteLine(" </UL>");
            }
            writer.WriteLine("<LI>Total Number of JIT compiled methods : {0:n0}</LI>", runtime.JIT.Stats().Count);
            writer.WriteLine("<LI>Total MSec JIT compiling : {0:n0}</LI>", runtime.JIT.Stats().TotalCpuTimeMSec);

            if (runtime.JIT.Stats().TotalCpuTimeMSec != 0)
                writer.WriteLine("<LI>JIT compilation time as a percentage of total process CPU time : {0:f1}%</LI>", runtime.JIT.Stats().TotalCpuTimeMSec * 100.0 / stats.CPUMSec);
            writer.WriteLine("<LI><A HREF=\"#Events_{0}\">Individual JIT Events</A></LI>", stats.ProcessID);

            writer.WriteLine("<UL><LI> <A HREF=\"command:excel/{0}\">View in Excel</A></LI></UL>", stats.ProcessID);
            if (hasInliningEvents)
            {
                writer.WriteLine("<LI><A HREF=\"#Inlining_{0}\">Inlining Decisions</A></LI>", stats.ProcessID);
                writer.WriteLine("<UL><LI> <A HREF=\"command:excelInlining/{0}\">View in Excel</A></LI></UL>", stats.ProcessID);
            }
            else
            {
                writer.WriteLine("<LI><I>No JIT Inlining data available.  Consider enabling the JITInlining option.</I></LI>", stats.ProcessID);
            }
            writer.WriteLine("<LI> <A HREF=\"{0}#UnderstandingJITPerf\">JIT Perf Users Guide</A></LI>", usersGuideFile);
            writer.WriteLine("</UL>");

            if (runtime.JIT.Stats().BackgroundJitThread == 0)
            {
                if (runtime.JIT.Stats().BackgroundJITEventsOn)
                {
                    writer.WriteLine("<P>" +
                        "<b>This process does not use background JIT compilation.</b>   If there is a lot of JIT time and NGEN is not an possible\r\n" +
                        "you should consider using Background JIT compilation.\r\n" +
                        "See <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide to Background JIT</A> for more." +
                        "</P>", usersGuideFile);
                }
                else
                {
                    writer.WriteLine("<P>" +
                        "<b>Background JIT compilation events are not being collected.</b>   If you are interested in seeing the operation of Background JIT\r\n" +
                        "Enabled the 'Background JIT' checkbox in the 'Advanced' section of the collection dialog when collecting the data." +
                        "See <A HREF=\"{0}#UnderstandingBackgroundJIT\">Guide to Background JIT</A> for more." +
                        "</P>", usersGuideFile);
                }
            }

            writer.WriteLine("<P>" +
                "Below is a table of the time taken to JIT compile the methods used in the program, broken down by module.  \r\n" +
                "If this time is significant you can eliminate it by <A href=\"http://msdn.microsoft.com/en-us/magazine/cc163808.aspx\">NGening</A> your application.  \r\n" +
                "This will improve the startup time for your app.  \r\n" +
                "</P>");

            writer.WriteLine("<P>" +
                "The list below is also useful for tuning the startup performance of your application in general.  \r\n" +
                "In general you want as little to be run during startup as possible.  \r\n" +
                "If you have 1000s of methods being compiled on startup " +
                "you should try to defer some of that computation until absolutely necessary.\r\n" +
                "</P>");

            // Sort the module list by Jit Time;
            List<string> moduleNames = new List<string>(statsEx.TotalModuleStats.Keys);
            moduleNames.Sort(delegate (string x, string y)
            {
                double diff = statsEx.TotalModuleStats[y].TotalCpuTimeMSec - statsEx.TotalModuleStats[x].TotalCpuTimeMSec;
                if (diff > 0)
                    return 1;
                else if (diff < 0)
                    return -1;
                return 0;
            });

            writer.WriteLine("<Center>");
            writer.WriteLine("<Table Border=\"1\">");
            writer.WriteLine("<TR><TH>Name</TH><TH>JitTime<BR/>msec</TH><TH>Num Methods</TH><TH>IL Size</TH><TH>Native Size</TH></TR>");
            writer.WriteLine("<TR><TD Align=\"Left\">{0}</TD><TD Align=\"Center\">{1:n1}</TD><TD Align=\"Center\">{2:n0}</TD><TD Align=\"Center\">{3:n0}</TD><TD Align=\"Center\">{4:n0}</TD></TR>",
                "TOTAL", runtime.JIT.Stats().TotalCpuTimeMSec, runtime.JIT.Stats().Count, runtime.JIT.Stats().TotalILSize, runtime.JIT.Stats().TotalNativeSize);
            foreach (string moduleName in moduleNames)
            {
                JITStats info = statsEx.TotalModuleStats[moduleName];
                writer.WriteLine("<TR><TD Align=\"Center\">{0}</TD><TD Align=\"Center\">{1:n1}</TD><TD Align=\"Center\">{2:n0}</TD><TD Align=\"Center\">{3:n0}</TD><TD Align=\"Center\">{4:n0}</TD></TR>",
                    moduleName.Length == 0 ? "&lt;UNKNOWN&gt;" : moduleName, info.TotalCpuTimeMSec, info.Count, info.TotalILSize, info.TotalNativeSize);
            }
            writer.WriteLine("</Table>");
            writer.WriteLine("</Center>");

            bool backgroundJitEnabled = runtime.JIT.Stats().BackgroundJitThread != 0;

            writer.WriteLine("<HR/>");
            writer.WriteLine("<H4><A Name=\"Events_{0}\">Individual JIT Events for Process {1,5}: {2}<A></H4>", stats.ProcessID, stats.ProcessID, stats.Name);

            // We limit the number of JIT events we ut on the page because it makes the user exerience really bad (browsers crash)
            const int maxEvents = 1000;
            if (runtime.JIT.Methods.Count >= maxEvents)
                writer.WriteLine("<p><Font color=\"red\">Warning: Truncating JIT events to " + maxEvents + ".  Use 'View in Excel' link above to look all of them</font></p>");

            writer.WriteLine("<Center>");
            writer.WriteLine("<Table Border=\"1\">");
            writer.Write("<TR><TH>Start (msec)</TH><TH>JitTime</BR>msec</TH><TH>IL Size</TH><TH>Native Size</TH><TH>Method Name</TH>" +
                "<TH Title=\"Is Jit compilation occuring in the background (BG) or not (JIT).\">BG</TH><TH>Module</TH>");
            if (backgroundJitEnabled)
            {
                writer.Write("<TH Title=\"How far ahead of the method usage was relative to the background JIT operation.\">Distance Ahead</TH><TH Title=\"Why the method was not JITTed in the background.\">Background JIT Blocking Reason</TH>");
            }
            writer.WriteLine("</TR>");
            int eventCount = 0;
            foreach (TraceJittedMethod _event in runtime.JIT.Methods)
            {
                writer.Write("<TR><TD Align=\"Center\">{0:n3}</TD><TD Align=\"Center\">{1:n1}</TD><TD Align=\"Center\">{2:n0}</TD><TD Align=\"Center\">{3:n0}</TD><TD Align=Left>{4}</TD><TD Align=\"Center\">{5}</TD><TD Align=\"Center\">{6}</TD>",
                    _event.StartTimeMSec, _event.CompileCpuTimeMSec, _event.ILSize, _event.NativeSize, _event.MethodName ?? "&nbsp;", (_event.IsBackGround ? "BG" : "JIT"),
                    _event.ModuleILPath.Length != 0 ? Path.GetFileName(_event.ModuleILPath) : "&lt;UNKNOWN&gt;");
                if (backgroundJitEnabled)
                {
                    writer.Write("<TD Align=\"Center\">{0:n3}</TD><TD Align=\"Left\">{1}</TD>",
                        _event.DistanceAhead, _event.IsBackGround ? "Not blocked" : _event.BlockedReason);
                }
                writer.WriteLine("</TR>");
                eventCount++;
                if (eventCount >= maxEvents)
                    break;
            }
            writer.WriteLine("</Table>");
            writer.WriteLine("</Center>");

            if (hasInliningEvents)
            {
                writer.WriteLine("<HR/>");
                writer.WriteLine("<A Name=\"Inlining_{0}\">", stats.ProcessID);
                writer.WriteLine("<H4>Successful Inlinings for Process {0,5}: {1}<A></H4>", stats.ProcessID, stats.Name);
                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.Write("<TR><TH>Method Begin Compiled</TH><TH>Inliner</TH><TH>Inlinee</TH></TR>");
                foreach (InliningSuccessResult success in runtime.JIT.Stats().InliningSuccesses)
                {
                    writer.Write("<TR><TD>{0}</TD><TD>{1}</TD><TD>{2}</TD></TR>", success.MethodBeingCompiled, success.Inliner, success.Inlinee);
                }
                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
                writer.WriteLine("<H4>Failed Inlinings for Process {0,5}: {1}<A></H4>", stats.ProcessID, stats.Name);
                writer.WriteLine("<Center>");
                writer.WriteLine("<Table Border=\"1\">");
                writer.Write("<TR><TH>Method Begin Compiled</TH><TH>Inliner</TH><TH>Inlinee</TH><TH>Failure Reason</TH></TR>");
                foreach (InliningFailureResult failure in runtime.JIT.Stats().InliningFailures)
                {
                    writer.Write("<TR><TD>{0}</TD><TD>{1}</TD><TD>{2}</TD><TD>{3}</TD></TR>", failure.MethodBeingCompiled, failure.Inliner, failure.Inlinee, failure.Reason);
                }
                writer.WriteLine("</Table>");
                writer.WriteLine("</Center>");
            }

            writer.WriteLine("<HR/><HR/><BR/><BR/>");
        }
        private void Clr_MethodR2RGetEntryPoint(R2RGetEntryPointTraceData obj)
        {
            IdOfIncompleteAction id = new IdOfIncompleteAction();

            id.Identifier = obj.MethodID;
            id.ThreadID   = obj.ThreadID;

            // If we had a R2R start lookup event, capture that start time, otherwise, use the R2REntrypoint
            // data as both start and stop
            EventUID startUID = new EventUID(obj);

            if (_incompleteR2REvents.TryGetValue(id, out IncompleteActionDesc r2rStartData))
            {
                startUID = r2rStartData.Start;
                _incompleteR2REvents.Remove(id);
            }

            if (obj.EntryPoint == 0)
            {
                // If Entrypoint is null then the search failed.
                AddStartStopData(obj.ProcessID, id.ThreadID, startUID, new EventUID(obj), "R2R_Failed" + "(" + JITStats.GetMethodName(obj) + ")");
            }
            else
            {
                AddStartStopData(obj.ProcessID, id.ThreadID, startUID, new EventUID(obj), "R2R_Found" + "(" + JITStats.GetMethodName(obj) + ")");
            }
        }