On Mon, 06 Jun, at 08:20:37AM, Yuyang Du wrote: > attach_entity_load_avg() is called (indirectly) from: > > - switched_to_fair(): switch between classes to fair > - task_move_group_fair(): move between task groups > - enqueue_entity_load_avg(): enqueue entity > > Only in switched_to_fair() is it possible that the task's last_update_time > is not 0 and therefore the task needs sched avgs update, so move the task > sched avgs update to switched_to_fair() only. In addition, the code is > refactored and code comments are updated. > > No functionality change. > > Signed-off-by: Yuyang Du <yuyang...@intel.com> > --- > kernel/sched/fair.c | 43 ++++++++++++++++++++----------------------- > 1 file changed, 20 insertions(+), 23 deletions(-)
What about when tasks are moved between groups on CONFIG_SMP=n ? Doesn't this change fail to age the load in that case?
