perfview

perfview copied to clipboard

https://github.com/microsoft/perfview/blob/8a34d2d64bc958902b2fa8ea5799437df57d8de2/src/FastSerialization/StreamReaderWriter.cs#L791-L814 The above code in `StreamReaderWriter` can cause latency for EventPipe. If you have infrequent events, e.g., EventCounters, and an event block ends up a length not divisible by 8,...

josalem

[TraceEvent] Make SymbolReader extendable for custom symbol formats

3

I'm using the TraceEvent library to process events emitted from Delphi code. Sadly the Delphi compiler does not generate pdb files, but some other file formats, e.g. ASCII based *.map...

MBulli

Types in Utilities namespace

1

In the Microsoft.Diagnostics.Tracing.TraceEvent assembly, some types are in the Utilities namespace. Those types should probably be in the Microsoft.Diagnostics.Tracing.Utilities namespace: Utilities.Cache Utilities.Command Utilities.CommandOptions Utilities.IndexMap Utilities.OperatingSystemVersion

alexandre-mckinnon

Stacks broken, analysis is suspect

7

I am not sure why I am getting this message or what the solution is in the popup actually does. Is there a reason why I am getting this on...

cblaze22

COMException when trying to capture performance capture for Visual Studio

5

I am attempting to capture a Visual Studio performance trace using the following command : ``` perfview.exe collect C:\temp\ReproTrace.etl -CircularMB:4096 -BufferSizeMB:256 -Merge:true -Zip:true -Providers:641d7f6c-481c-42e8-ab7e-d18dc5e5cb9e,*Microsoft-VisualStudio-Common,*RoslynEventSource,*StreamJsonRpc,.NETTasks:0:0 -ThreadTime -NoV2Rundown -NoNGenRundown ``` I am...

mmgagnon

.dll not found when running Processes / Files/ Registry Stacks

1

I am getting this error message below now for some reason. The file is in system32 folder. 

cblaze22

in .NET Framework days we had perf counters and you could do triggers based on them, eg, perfVIew.exe /nogui "/StartOnPerfCounter:.NET CLR Memory:# Gen 0 Collections:myproc>1800" "/StartOnPerfCounter:.NET CLR Memory:# Gen 0...

Maoni0

Bump System.Runtime.CompilerServices.Unsafe to 4.5.3 in TraceEvent

1

When consuming TraceEvent and other libraries from a dotnet core project, there is often times a conflict with the version of `System.Runtime.CompilerServices.Unsafe`. For example, `System.Memory` relies on `System.Runtime.CompilerServices.Unsafe >=4.5.3` Hoping...

suprak

COM Interop assemblies are incorrectly packaged in Microsoft.Diagnostics.Tracing.TraceEvent

11

I spent some time earlier today trying to publish our dotnet diagnostic CLI tools as single-file exes, but in the process ended up discovering some oddities around how native assets...

shirhatti

TraceParserGen: Fix task guids and RegisterTemplate.

2

Add Task class and keep instances in m_tasks dictionary instead of m_taskNames, m_taskValues and potential m_taskGuids. Generate guids variables or pass Guid.Empty Add basic RegisterTemplate implementation. fix #1351

dorian-apanel-intel