Intel Linux Driver Support Revived Again For Interesting Per-Process Usage Reporting

Back in October 2018 came the initial patches for providing per-process GPU usage reporting to be exposed to user-space for interesting metrics akin to the top command or other system monitoring utilities but for detailed GPU statistics. In October that interesting work finally saw a revision but went dark after that and didn't make it into the recent Linux 5.5 merge window. Now a new spin of that code has been sent out for review...