Issues

• [TraceEvent] TraceCallStacks interning tables grow without bound on the real-time/EventPipe path in long-lived processes (~0.6 GB/day to OOM)

  bug
  microsoft/perfview#2451 · Filter by author therickfactr opened on Aug 9, 2026
  1

• TraceEvent SymbolReader does not resolve source lines from an embedded portable PDB

  microsoft/perfview#2433 · Filter by author JeremyKuhne opened on Jun 2, 2026

• EDR detection of SystemTraceProvider consumers — current data on Defender ATP / CrowdStrike / SentinelOne?

  microsoft/perfview#2422 · Filter by author franzjeger opened on May 17, 2026
  1

• Please ship PerfViewCollect

  microsoft/perfview#2420 · Filter by author zivkan opened on May 15, 2026

• Too high attribution to PollGCWorker or P/Invokes in general

  microsoft/perfview#2412 · Filter by author buybackoff opened on Apr 15, 2026

• ETWReloggerTraceEventSource: access violation in tdh!CEventBase::Release on finalizer thread after Dispose

  microsoft/perfview#2411 · Filter by author kartikkukreja opened on Apr 14, 2026

• System.Runtime.InteropServices.COMException when trying to open dialog to add Process Dump File

  microsoft/perfview#2395 · Filter by author DrGav opened on Mar 24, 2026
  4

  

• CreateFromLinuxEventSources should produce SampledProfileTraceData from perf.data

  microsoft/perfview#2393 · Filter by author benaadams opened on Mar 22, 2026
  3

• TraceEvent Library: Incorrect CreateOptions flags enumeration for FileIOCreateTraceData

  microsoft/perfview#2333 · Filter by author advapi32 opened on Nov 14, 2025

• Use a Unique Kernel Session Name

  microsoft/perfview#2298 · Filter by author brianrob opened on Sep 11, 2025

• LBR state is incorrect during nt!SwapContext

  microsoft/perfview#2288 · Filter by author jdu2600 opened on Aug 25, 2025
  1

• TraceEvent + CaptureState Issue from https://github.com/microsoft/perfview/pull/2222

  microsoft/perfview#2279 · Filter by author andd64 opened on Aug 11, 2025
  1

• FocusProcess checkbox is hidden.

  microsoft/perfview#2265 · Filter by author akeit0 opened on Jul 16, 2025
  2

• Publish to Microsoft Store

  microsoft/perfview#2187 · Filter by author boppbo opened on Apr 25, 2025
  4

• Inconsistent CPU usage, why?

  microsoft/perfview#2184 · Filter by author xiaomi7732 opened on Apr 22, 2025
  2

• How to create an ETW session that is both real-time and saved to ETL?

  microsoft/perfview#2174 · Filter by author brycehutchings opened on Mar 8, 2025
  2

• KernelTime UserTime from Event metadata.

  microsoft/perfview#2138 · Filter by author tekert opened on Dec 24, 2024

• Why do the frames not belong to its activity when Task.Yield() is involved?

  microsoft/perfview#2130 · Filter by author xiaomi7732 opened on Nov 15, 2024
  3

• Missing activity in case of "broken" ActivityID in events

  microsoft/perfview#2122 · Filter by author chrisnas opened on Oct 21, 2024
  4

• How to properly use and visualize Start Stop activities in a custom ETW provider

  microsoft/perfview#2116 · Filter by author exelix11 opened on Oct 8, 2024
  4

• NGEN PDBs end up in symbol cache

  microsoft/perfview#2113 · Filter by author ryanmolden opened on Sep 21, 2024
  1

• COMException during symbol lookup when using OpenStackViewer and MutableTraceEventStackSource

  microsoft/perfview#2108 · Filter by author ara-ayvazyan opened on Aug 30, 2024

• Update docs for release

  microsoft/perfview#2102 · Filter by author cincuranet opened on Aug 26, 2024
  

• Use IDiaSessionEx::getSourceLinkInfo as it's now public

  microsoft/perfview#2094 · Filter by author cincuranet opened on Aug 8, 2024

• Use IDiaDataSource::getStreamSize as it's now public

  microsoft/perfview#2093 · Filter by author cincuranet opened on Aug 8, 2024