Hi, > > > On Wed, Jan 23, 2008 at 09:53:50PM +0900, Ryo Tsuruta wrote: > > > > Dm-band gives bandwidth to each job according to its weight, > > > > which each job can set its own value to. > > > > At this time, a job is a group of processes with the same pid or pgrp or uid. > > > > > > It seems to rely on 'current' to classify bios and doesn't do it until the map > > > function is called, possibly in a different process context, so it won't > > > always identify the original source of the I/O correctly: > > > > Yes, this should be mentioned in the document with the current implementation > > as you pointed out. > > > > By the way, I think once a memory controller of cgroup is introduced, it will > > help to track down which cgroup is the original source. > > do you mean to make this a part of the memory subsystem? I just think if the memory subsystem is in front of us, we don't need to reinvent the wheel. But I don't have a concrete image how the interface between dm-band and the memory subsystem should be designed yet. I'd be appreciate if some of the cgroup developers give some ideas about it. Thanks, Hirokazu Takahashi. > YAMAMOTO Takashi -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel