I can't reproduce this issue, works fine for me after entering the pause menu. I had similiar issues as you with the gametime.maxvariablefps and the PerfGraph with another Frostbite 3 game, Mirror's Edge Catalyst, the CPU is just a mess. Are you paying on Windows 7 or Windows 8/10?
Did you disable vsync? That makes it way more obvious when the cap resets. You also need to make sure your cap isn't too high, because then you'll have the GPU maxed out, which will make the CPU frame times inconsistent. Basically, you always want your GPU graph below your CPU graph (except with dual GPU's).
I'm on Windows 10.
Yeah, Vsync diabled and cap set to my refresh rate, no issues at all. You're using a CrossFire configuration, did you try disabling it to see if the issue persist?
Actually, I misspoke, you have to click "options" for it to reset. But it will immediately reset the cap, you don't have to mess with any video settings. I actually fist noticed it when I went in to only adjust my mouse sensitivity.
But yeah, it happens with crossfire off too.
Yeah, now I can see the option. The CPU line starts to get a bit "crazy" but I don't get inconsistent frame rates or sttutering.
Maybe it's a bug / engine limitation. Also, keep in mind that GW2 does not include free access to the console like other Frostbite 3 (BF3, BF4, Mirror's Edge Catalyst, NFS...) so maybe some config commands are not fully supported/test. This looks like a bug to me.
