On Sat, 12 Feb 2011 15:29:07 -0800 Matt Helsley <matthltc@xxxxxxxxxx> wrote: > On Fri, Feb 11, 2011 at 11:10:44AM -0800, jacob.jun.pan@xxxxxxxxxxxxxxx wrote: > > From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> > > > > Freezer subsystem is used to manage batch jobs which can start > > stop at the same time. However, sometime it is desirable to let > > the kernel manage the freezer state automatically with a given > > duty ratio. > > For example, if we want to reduce the time that backgroup apps > > are allowed to run we can put them into a freezer subsystem and > > set the kernel to turn them THAWED/FROZEN at given duty ratio. > > > > This patch introduces two file nodes under cgroup > > freezer.duty_ratio_pct and freezer.period_sec > > Again: I don't think this is the right approach in the long term. > It would be better not to add this interface and instead enable the > cpu cgroup subsystem for non-rt tasks using a similar duty ratio > concept.. > > Nevertheless, I've added some feedback on the code for you here :). > AFAIK, there was a work for bandwidth control in CFS. http://linux.derkeiler.com/Mailing-Lists/Kernel/2010-10/msg04335.html I tested this and worked fine. This schduler approach seems better for my purpose to limit bandwidth of apprications rather than freezer. BTW, isn't period_sec too large ? Thanks, -Kame _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
