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How to enable GPU realtime profiler

Epic released new realtime GPU profiler in 4.14, but I wonder, how to enable it??

When I enter "stat gpu" command, the only thing I get is simple message..

alt text

What should I do to get it work?? Should I enable something else?

By the way? Can I use it on mobile to profile my Android game? How do I enable it there?

Product Version: UE 4.15
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asked Mar 10 '17 at 09:22 PM in Rendering

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3 answers: sort voted first

Did you try "stat unitgraph" and/or "stat profilegpu"? I think that those can also provide good informations. Otherwise "stat gpu" should show you a nice list of things. But you can also bring it up via the stat submenu in the viewport options, if you can trust the documentation ^^ (Quote: "You can also bring the live GPU profiler up via the Stat submenu in the Viewport Options dropdown")

You can also record a scene with "stat startfile" and stop recording with "stat stopfile" which gives you a ue4stats file. You can load this file into the frontend tool to check out how many ressources are needed by what, but well this is not "live".

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answered Mar 10 '17 at 09:33 PM

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avatar image AlFlakky Mar 11 '17 at 03:26 PM

I need stat gpu, i know about other profilers and non-realtime one.

But it doesn't work for me.. In dev mobile build I get the same, and in my PC project aswell. My colleague says he gets the same and no profiles.

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Hi AlFlakky,

The solution is to open UE_4.15\Engine\Config\ConsoleVariables.ini and add r.NVIDIATimestampWorkaround=0

I found it by looking into logs: "LogD3D11RHI:Warning: Timestamp queries are currently disabled on this hardware due to instability. Realtime GPU stats will not be available. You can override this behaviour by setting r.NVIDIATimestampWorkaround to 0"

Regards, Oskar

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answered Apr 16 '17 at 04:49 PM

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Oskar Świerad
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avatar image IGorilla Apr 16 '17 at 05:06 PM

It might still not work tho as some hardware simply doesnt support it.

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I have the same problem, and I finally resolve it by setting the console varialble r.GPUStatsEnabled to 1. My first time using english, hope it helps you.

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answered Apr 20 '17 at 03:35 AM

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