linux-kernel - Re: Regarding dm-ioband tests

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090908170649.GC8828@linux.vnet.ibm.com>
Date:	Tue, 8 Sep 2009 22:36:49 +0530
From:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Ryo Tsuruta <ryov@...inux.co.jp>, riel@...hat.com,
	linux-kernel@...r.kernel.org, dm-devel@...hat.com,
	jens.axboe@...cle.com, agk@...hat.com, akpm@...ux-foundation.org,
	nauman@...gle.com, guijianfeng@...fujitsu.com, jmoyer@...hat.com,
	balbir@...ux.vnet.ibm.com
Subject: Re: Regarding dm-ioband tests

> > - dm-ioband can use without cgroup. (I remember Vivek said it's not an
> >   advantage.)
> 
> I think this is more of a disadvantage than advantage. We have a very well
> defined functionality of cgroup in kernel to group the tasks. Now you are
> coming up with your own method of grouping the tasks which will make life
> even more confusing for users and application writers.
> 

I would tend to agree with this. With other resource management
controllers using cgroups, having dm-ioband use something different will
require a different set of userspace tools/libraries to be used.
Something that will severly limit its usefulness froma programmer's
perspective.

thanks,
-- 
regards,
Dhaval
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/