Re: [RFC v2 5/8] sched/tune: add initial support for CGroups based boosting

2016-10-27 Thread Patrick Bellasi
On 27-Oct 16:39, Tejun Heo wrote: > Hello, Patrick. > > On Thu, Oct 27, 2016 at 09:14:39PM +0100, Patrick Bellasi wrote: > > I'm wondering also how much confusing and complex it can be to > > configure a system where you have not overlapping groups of tasks with > > different bandwidth and boostin

Re: [RFC v2 5/8] sched/tune: add initial support for CGroups based boosting

2016-10-27 Thread Tejun Heo
Hello, Patrick. On Thu, Oct 27, 2016 at 09:14:39PM +0100, Patrick Bellasi wrote: > I'm wondering also how much confusing and complex it can be to > configure a system where you have not overlapping groups of tasks with > different bandwidth and boosting requirements. > > For example, let assume w

Re: [RFC v2 5/8] sched/tune: add initial support for CGroups based boosting

2016-10-27 Thread Patrick Bellasi
On 27-Oct 14:30, Tejun Heo wrote: > Hello, Patrick. Hi Tejun, > On Thu, Oct 27, 2016 at 06:41:05PM +0100, Patrick Bellasi wrote: > > To support task performance boosting, the usage of a single knob has the > > advantage to be a simple solution, both from the implementation and the > > usability s

Re: [RFC v2 5/8] sched/tune: add initial support for CGroups based boosting

2016-10-27 Thread Tejun Heo
Hello, Patrick. On Thu, Oct 27, 2016 at 06:41:05PM +0100, Patrick Bellasi wrote: > To support task performance boosting, the usage of a single knob has the > advantage to be a simple solution, both from the implementation and the > usability standpoint. However, on a real system it can be difficu

[RFC v2 5/8] sched/tune: add initial support for CGroups based boosting

2016-10-27 Thread Patrick Bellasi
To support task performance boosting, the usage of a single knob has the advantage to be a simple solution, both from the implementation and the usability standpoint. However, on a real system it can be difficult to identify a single value for the knob which fits the needs of multiple different ta