* Vaidyanathan Srinivasan <svaidy@xxxxxxxxxxxxxxxxxx> wrote: > My understanding is that we will certainly have a sysfs > tunable to 'enable' timer migration or consolidation, similar > to the sched_mc=2 policy, but the actual set of CPUs to > evacuate and the correct set of target CPUs to consolidate > should come from the scheduler and not necessarily from the > user space. Yes. > The scheduler should be able to figure out the following > parameters: > > * Identify set of idle CPUs (CPU package) from which timers > can be removed > * Identify a semi-idle or idle CPU package to which the timers > can be moved > * Decide when to start moving timers as the system has large > number of idle CPUs > * Decide when to stop migrating as system becomes less idle > and utilisation increases > > Guiding all of the above decisions from user space may not be > fast enough. Exactly. Ingo _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
