On Thu 2022-02-24 09:30 -0300, Marcelo Tosatti wrote: > > > > > 2) What if we are running task A in kernel mode while the tick is stopped > > > > > (nohz_full). Task A modifies the vmstat and goes to userspace for a long > > > > > while. > > > > > Your patch fixes case 1) but not case 2). The problem is that TIMER_DEFERRABLE > > > > > should really be about dynticks-idle only and not dynticks-full. I've always > > > > > been afraid about enforcing that rule though because that would break old > > > > > noise-free setups. But perhaps I should... > > Can't grasp the sentence above "The problem is that ...". > What rule? Hi Marcelo, That statement was from Frederic. Kind regards, -- Aaron Tomlin
