Firefox 78 will feature a process manager.

In the nightly builds of Firefox, on which the release of Firefox 78 will be based on June 30, has added the about page “about:processes”, which offers a process manager. The new page allows you to evaluate which handler processes are running, what internal threads are executing in each process, and how much CPU and memory each thread and process consumes.

The CPU consumption is divided between user space code and kernel level (when executing system calls). It separately displays data on resident and virtual memory consumption, as well as showing the dynamics of memory consumption changes. Information about gpu (rendering), web, webisolated (separate tabs), extension, privilegedabout, socket, and browser (main process) is reflected.

From the previously available about pages of diagnosis about:support notable ones include about:performance, about:memory, about:networking, about:cache, about:webrtc, about:telemetry and In the nightly builds of Firefox, on which the release of Firefox 78 will be based on June 30, a utility has been added..

Source: opennet.ru