On Mon, May 16, 2016 at 12:36:19PM +0300, Konstantin Khlebnikov wrote: > This feature allows to change cpu cgroup weight for a limited time. > > Cgroup interface: > cpu.cfs_reserve_us - reserved time for each cpu.cfs_period_us > cpu.cfs_reserve_shares - group weight during reserved time > > While cfs group consumes reserved cpu time it has different weight, > thus it gets different vruntime penalty for that execution. > > ^ weight > | > | > reserve | > shares -------* > | | > | | > | | > shares - *-----------------* > | | > | | > 0------|-----------------|-----------> time > reserve quota > > Reserve can work as a "low limit": boost weight for "guaranteed" time, > and as a "high limit": give normal weight for a limited time and allow > utilize cpu when nobody else needs it. > You forgot to explain why I should care about this. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
