A thing I find mildly frustrating is that if you have a tab that is crunching CPU use to 99% the Chrome task manager can tell you which one but if you have a tab that is driving GPU use to 99% the Chrome task manager doesn't know about that
Maybe only the OS knows that. IDK
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Can't you add that as a column in the Chrome task manager? I vaguely remember being able to right click the column hears to add stuff.
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Oh, interesting! Looks like you can get GPU memory but not GPU activity?
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That's dumb. I'm pretty sure Chrome as an application knows where the GPU time is going as it shows up per "renderer" in chrome://tracing maybe just not exposed.
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It has a very good idea of it because it proxies it all from the site sandboxes to the GPU process so they must need to schedule access to the GPU themselves. I don't think they actually expose information on this though.
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Yeah the way I know it's what's happening is the chrome gpu process is going nuts in the OS task viewer
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They do have the super useful functionality of being able to open chrome://gpucrash to crash the process and chrome://gpuhang to hang it indefinitely resulting in needing to kill Chromium.
chrome://gpuclean might actually be useful since it seems to clear the state.