Lots of internal roblox microprofiler functions are starting to run slowly as of a few days ago

Bug Reports Engine Bugs
#1

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I have no idea what this is but it’s been popping up and now we get serious framerate issues. I can’t seem to find a stable repro, but it just happens sometimes when there’s a lot of physics going on (didn’t happen before). Does anyone know anything about this?

I also don’t know any info about this. Does anyone know what’s going on?

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I also don’t know what’s going on here. In scenes where I used to get 60fps I now get spikes. There are’t an abnormal amount of transparency parts or GUI or anything…

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#2

I remember @ColdSmoke was having issues with the “Write Marshalled” entry a while back. There was also a period of time where just opening the microprofiler would cause frame drops, even after closing it.

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#3

What place ids have you seen the LegacyLock issue in? We might be able to add better microprofile labels for whatever is doing work here.

As a total shot in the dark, do you know if the game(s) in question use real time CSG?

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#4

I seem to be having the same issue with my gun system, when equipping the gun or it being welded to the players back (which is done on the server, kinda bad) seems to send the times for Write Marshalled, Legacy Lock and (Qt) $Event through the roof. I haven’t made any changes to the script so I’m confused how I’m gonna fix it. Might try and make the gun cloning the player’s back client-side.