microsoft / microsoft/vscode-cpptools

Extension causes high cpu load

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bug Language Service performance
Dominant language
TypeScript
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Forks
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Avg merge
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Merged PRs (30d)
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Description

  • Issue Type: Performance
  • Extension Name: cpptools
  • Extension Version: 1.32.2
  • OS Version: Windows_NT x64 10.0.19045
  • VS Code version: 1.99.3

⚠️ Make sure to attach this file from your home-directory:
⚠️file:///C:/Users/%USERNAME%/AppData/Local/Temp/ms-vscode.cpptools-unresponsive.cpuprofile.txt

Find more details here: https://github.com/microsoft/vscode/wiki/Explain-extension-causes-high-cpu-load

ms-vscode.cpptools-unresponsive.cpuprofile.txt

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked VS Code wiki guidance and inspecting the attached ms-vscode.cpptools-unresponsive.cpuprofile.txt profile. Trace the reported high-CPU activity into the cpptools extension sources, then reproduce or validate the behavior on the listed Windows and VS Code versions. Done means the cause is isolated and a verified fix or actionable diagnosis is documented.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript, vscode
Domain
devtools, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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