extensionHost CPU usage stuck at 30% and higher with Settings Sync extension enabled

[ianmurrays]

Type: Bug

Simply enabling the extension makes the extensionHost process get stuck at 30%+ CPU usage.

Extension version: 3.4.3 VS Code version: Code 1.73.0 (8fa188b2b301d36553cbc9ce1b0a146ccb93351f, 2022-11-01T15:38:50.881Z) OS version: Darwin x64 21.6.0 Modes: Sandboxed: No

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 x 2600)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_renderer: enabled_on video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off
Load (avg)	3, 4, 4
Memory (System)	32.00GB (4.36GB free)
Process Argv	.
Screen Reader	no
VM	0%