diff options
| author | Dietmar Eggemann <dietmar.eggemann@arm.com> | 2022-07-29 13:13:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-08-02 12:32:45 +0200 |
| commit | 740cf8a760b73e8375bfb4bedcbe9746183350f9 (patch) | |
| tree | 32df6e4db3c83a27fa5738b3fb79fcbecfd3a4fb /kernel/sched/fair.c | |
| parent | 9de1f9c8ca5100a02a2e271bdbde36202e251b4b (diff) | |
sched/core: Introduce sched_asym_cpucap_active()
Create an inline helper for conditional code to be only executed on
asymmetric CPU capacity systems. This makes these (currently ~10 and
future) conditions a lot more readable.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20220729111305.1275158-2-dietmar.eggemann@arm.com
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 914096c5b1ae..41486d9b0911 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4262,7 +4262,7 @@ static inline int task_fits_capacity(struct task_struct *p, static inline void update_misfit_status(struct task_struct *p, struct rq *rq) { - if (!static_branch_unlikely(&sched_asym_cpucapacity)) + if (!sched_asym_cpucap_active()) return; if (!p || p->nr_cpus_allowed == 1) { @@ -6506,7 +6506,7 @@ select_idle_capacity(struct task_struct *p, struct sched_domain *sd, int target) static inline bool asym_fits_capacity(unsigned long task_util, int cpu) { - if (static_branch_unlikely(&sched_asym_cpucapacity)) + if (sched_asym_cpucap_active()) return fits_capacity(task_util, capacity_of(cpu)); return true; @@ -6526,7 +6526,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target) * On asymmetric system, update task utilization because we will check * that the task fits with cpu's capacity. */ - if (static_branch_unlikely(&sched_asym_cpucapacity)) { + if (sched_asym_cpucap_active()) { sync_entity_load_avg(&p->se); task_util = uclamp_task_util(p); } @@ -6580,7 +6580,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target) * For asymmetric CPU capacity systems, our domain of interest is * sd_asym_cpucapacity rather than sd_llc. */ - if (static_branch_unlikely(&sched_asym_cpucapacity)) { + if (sched_asym_cpucap_active()) { sd = rcu_dereference(per_cpu(sd_asym_cpucapacity, target)); /* * On an asymmetric CPU capacity system where an exclusive |