Memory consumption keeps growing for no good reason (osx)

[paulrouget]

OSX.

Just moving the mouse hover the window makes the memory consumption grow.

Most likely this: rust-windowing/glutin#733

[kaksmet]

This only happens with webrender for me.

[pcwalton]

@paulrouget Can you run with -Z gc-profile and see if GCs are occurring? From my local tests it seems the issue is that we aren't GCing, and therefore mouse events are piling up.

[paulrouget]

@paulrouget Can you run with -Z gc-profile and see if GCs are occurring? From my local tests it seems the issue is that we aren't GCing, and therefore mouse events are piling up.

No GC here apparently.

[jdm]

I tried https://gist.github.com/jdm/1d2e71157887849c7ba2 but didn't notice any difference in terms of memory usage when flailing my mouse around an instance of about-mozilla.html. That being said; I didn't notice unbounded memory usage either - it generally hovered between 90-105mb.

[jdm]

@amccreight does the previous gist look like the hinting you were talking about?

[amccreight]

Yes, though I'm not too familiar with how it is actually supposed to be used.

[jdm]

We should verify the behaviour now.

[pcwalton]

@paulrouget Want to try again?

[paulrouget]

Moved the mouse for 20 seconds over the window.
Memory grew from 53.1Mb to 53.3Mb.
This is a lot better than before.

But I don't see any gc logs with -Z gc-profile.

[pcwalton]

I think we don't necessarily need GC heuristics here if dramatic memory increase isn't seen anymore, because a GC should happen once a lot of memory starts being used.

Can we demote this issue to a lower priority level?

[paulrouget]

Can we demote this issue to a lower priority level?

Yes. As far as I am concerned, it's fixed.