remotely-save/docs/check_performance/README.md

Check performance

1. Go to settings, scroll to the very end, and enable the "Enable Profiler" option.
2. Also enable "Enable Profiler Printing".
3. Check Console Output (directly or via vConsole plugin). More details are here.
4. Sync!
5. You can also "Export Profiler Results" afterwards. A new file _debug_remotely_save/profiler_results_exported_on_xxxx.md will be generated.

In the console or exported files, you can see the time cost of each steps.