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. > people need to take > this into account when designing their group configuration and so this should > be mentioned in the documentation. > > I've uploaded it here while we consider ways we might refine the architecture and > interfaces etc.: > > http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-add-band-target.patch > > Alasdair > -- > agk@xxxxxxxxxx Thank you, Hirokazu Takahashi. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
