Messages in this thread | | | Subject | Re: [dm-devel] [PATCH 0/2] dm-band: The I/O bandwidth controller: Overview | Date | Thu, 24 Jan 2008 12:38:07 +0900 (JST) | From | (YAMAMOTO Takashi) |
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> 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?
YAMAMOTO Takashi
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