PTVS has this today, they call it `Trace Points` (hence functionality should be available in the new version of PTVSD). Requires upstream changes as well https://github.com/Microsoft/vscode-python/issues/1306
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qubitron commentedon Apr 5, 2018
FYI this is currently planned for the March release for VS Code, microsoft/vscode#45128, but it might be at preview quality.
DonJayamanne commentedon Apr 6, 2018
Is this based on the issues/feedback on VS Code github repo?
qubitron commentedon Apr 6, 2018
Per Kenneth's last comment in the upstream issue, he had some concerns with readiness.
DonJayamanne commentedon Apr 16, 2018
Dan Taylor (@qubitron)
I've managed to get this working in PTVSD (microsoft/ptvsd#350).
I think we can land this feature as well.
Add support for log points