On Tue, 2012-02-28 at 16:54 -0500, Vivek Goyal wrote: > On Tue, Feb 28, 2012 at 10:43:54PM +0100, Peter Zijlstra wrote: > > On Tue, 2012-02-28 at 16:35 -0500, Vivek Goyal wrote: > > > For > > > cpu controller, it is priority at the group level no fixed minimum/maximum > > > % shares. And that's a limitation of treating task and group at same level. > > > > Depends on what you mean by min/max %, you can do it on the group level > > by using bandwidth caps (for max) or inverted (max on everybody else, > > for min). > > I was referring to using pure proportional controller. max bandwidth is > new and I am looking for a quick documentation file which describes > what are the knobs and how to use it. Did not find any in > Documentation/cgroups/. Is there any documentation available? Its written in C, its at kernel/sched/fair.c ;-) > I am assuming that max are being specified for groups in some absolute > quantity. That is fine. It will not still be max %, as again for % you > need fixed number of entities at any level and that's not the case with > tasks. > > Minimum for one group (max for everyone else) will also only work if > task and groups are not at same level. I'm really not seeing this. > I think the only way to get fixed % share is not to put task and group > at same level during system configuration. Still doesn't matter, like said, its all runnable based. If a group has 0 runnable entities it doesn't exist (more or less). _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
