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I noticed this today in my Chrome.
Google Meet is showing a chart of CPU usage in their "Troubleshooting" panel. I'm wondering if there's an existing API for this or is it a clever trick I'm not aware of.
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Video meeting services require a lot of bandwidth to work properly. Additionally, they also use a lot of CPU and GPU power, which is valid for Google Meet. If other programs are running in the background, Google Meet may have difficulty accessing the necessary system resources and bandwidth.
Google Meet on mobile: How to limit data usage On Android, tap the three-horizontal line menu (upper-left) | Settings then adjust the slider next to Limit Data Usage (Figure A). Select Limit Data Usage in Google Meet on Android.
To use Google Meet, the minimum system requirements are: Dual Core processor. 2GB memory.
If the display and GPU drivers are outdated on your computer, you might face heavy lag during Google Meet presentations. You need to update display and GPU drivers from the Device Manager menu.
I was curious about this as well when I saw the CPU Usage graph on the Troubleshooting page on the Google Meet's page. So googled a lot and I couldn't find any proper answer as to how it is being achieved apart from this link: https://developer.chrome.com/extensions/system_cpu#method-getInfo.
So, I went through the minified source code of the Google Meet's site and it turns out Google Meet is using this but not on their webpage directly, because it is for chrome extensions only, but through the Google Hangouts Extension which is present in Chrome, Brave and the new Microsoft Edge (Chromium-based).
The chrome extension is calling the chrome.system.cpu API to get the information about the processor, core count, temperatures, etc., and these details are being passed to the Google Meets page via window.postMessage API and Message Passing between Chrome Extension and a Webpage.
This is a neat little way to achieve this if you are the creator of the browser :P.
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Most probably, they are using Chrome specific API since this will not work on other browsers. The closest thing that I've found is https://developer.chrome.com/extensions/system_cpu#method-getInfo
Below is a screenshot from Firefox stating that this will work only on Chrome.
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