Rider is slow or CPU usage is high. Backend performance snapshot

Question:

The backend process (Rider.Backend{.exe}) is slow or consumes a lot of CPU. How to profile Rider backend to investigate performance issue?

Answer:

1. Get ready to reproduce the issue;
2. Select "Help | Diagnostic tools | Profile Backend with Sampling" (or Profile Backend with Timeline if requested explicitly);
3. Wait for the "Profiling Rider.Backend in progress. Stop it manually" message to appear in the bottom status bar. It indicates that Profiling is in progress):
4. Perform actions which are causing performance problems, try to reproduce the performance problem several times while the snapshot is being recorded;
5. Then stop profiling with the action "Help | Diagnostic tools | Backend: stop profiling", or click the Cross button in the status bar;
6. In the bottom right corner you will see a notification popup that a snapshot has been captured and a link to the snapshot file. Collect this snapshot. It can also be accesses from the Notifications tool window
7. Upload the generated dump to our Uploads service and share the Upload ID in the relevant YouTrack issue or support ticket.
   • In case you haven't yet contacted Rider support, submit the issue directly to our bug tracker. In the issue, provide a short description of the performance problems you're experiencing, share the Upload ID received on the upload page. Additionally, attach Rider logs (see How to collect Rider logs)