On Sat, Nov 30, 2024 at 08:06:52AM -0600, Mario Limonciello wrote: > +Thread Classification and Ranking Table Interaction > +---------------------------------------------------- > + > +The thread classification is used to select into a ranking table that describes > +an efficiency and performance ranking for each classification. > + > +Threads are classified during runtime into enumerated classes. The classes represent > +thread performance/power characteristics that may benefit from special scheduling behaviors. > +The below table depicts an example of thread classification and a preference where a given thread > +should be scheduled based on its thread class. The real time thread classification is consumed > +by the operating system and is used to inform the scheduler of where the thread should be placed. > + > +Thread Classification Example Table > +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > ++----------+----------------+-------------------------------+---------------------+---------+ > +| class ID | Classification | Preferred scheduling behavior | Preemption priority | Counter | > ++----------+----------------+-------------------------------+---------------------+---------+ > +| 0 | Default | Performant | Highest | | > ++----------+----------------+-------------------------------+---------------------+---------+ > +| 1 | Non-scalable | Efficient | Lowest | PMCx1A1 | > ++----------+----------------+-------------------------------+---------------------+---------+ > +| 2 | I/O bound | Efficient | Lowest | PMCx044 | > ++----------+----------------+-------------------------------+---------------------+---------+ > + > +Thread classification is performed by the hardware each time that the thread is switched out. > +Threads that don't meet any hardware specified criteria will be classified as "default". I'm not seeing this part in the patches, am I needing to read more careful?
