I had this same issue yesterday, and finally had success by adding a user.cfg file to the BF6 game folder with the below, according to this Reddit thread, hope this helps! https://www.reddit.com/r/Battlefield/comments/1mjy24a/the_beta_has_a_huge_100_cpu_utilization_problem/
Thread.ProcessorCount 4
Thread.MaxProcessorCount 4
Thread.MinFreeProcessorCount 0
Thread.JobThreadPriority 0
GstRender.Thread.MaxProcessorCount 8
Does not work for me and many others, apparently, but Waffle's post has helped some people from what I've gathered
It doesn’t work for me too. Still having the problem.
