On 02/24/21 14:30, Vincent Guittot wrote:
> +/*
> + * Check if we need to run the ILB for updating blocked load before entering
> + * idle state.
> + */
> +void nohz_run_idle_balance(int cpu)
> +{
> + unsigned int flags;
> +
> + flags = atomic_fetch_andnot(NOHZ_NEWILB_KICK, nohz_flags(cpu))
Instead of waking up a random and already idle CPU, we can take advantage
of this_cpu being about to enter idle to run the ILB and update the
blocked load.
Signed-off-by: Vincent Guittot
---
kernel/sched/core.c | 2 +-
kernel/sched/fair.c | 24 +---
kernel/sched/idle.c |
2 matches
Mail list logo
