unreal engine editor froze frequently because ftimermanager_tick exculusive too much time and do nothing

Summary

UE5.4.2,UE5.4.4 official and hazelight build both, in editor and pie mode.
trigger: open a map in project, or create a new map and load other assets.
unreal insight shows ftimermanager_tick exclusive too much time(~1s) and do nothing

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Stability

Steps to Reproduce

UE5.4.2,UE5.4.4, but no always trigger.
trigger: open a map in project, or create a new map and load other assets.

Expected Result

no lag, no fps drop

Observed Result

lag,fps drop

Platform(s)

win 10, win 11