Hello, > > It could have come a long way since then, but this code looks > > much neater than the code I reviewed. > > I'm glad to hear that! But the cpu resource controller has > some problems, for example:
These are issues to be improved. > - The controller only controls the time_slice value and doesn't > care the balance of cpus (the controller leaves balancing to > the existing balancing code in the scheduler). So far I don't > have any good idea to solve this. Is there any problem to enhance load_balance()? Applying some weight to each process, it would be used for calculating load of each runqueue. > - The controller holds a spinlock once per 1 second. I don't > know this is permissive or not, but the current scheduler > doesn't hold any spinlocks normally, so... I think each runqueue has its own spinlock, which is held quite often. Thanks, Hirokazu Takahashi. ------------------------------------------------------- This SF.Net email is sponsored by: Power Architecture Resource Center: Free content, downloads, discussions, and more. http://solutions.newsforge.com/ibmarch.tmpl _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
