diff options
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 2eafa228aebf..808a565187b1 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -45,6 +45,7 @@ #include <linux/ctype.h> #include <linux/debugfs.h> #include <linux/delayacct.h> +#include <linux/energy_model.h> #include <linux/init_task.h> #include <linux/kprobes.h> #include <linux/kthread.h> @@ -709,6 +710,12 @@ static inline bool sched_asym_prefer(int a, int b) return arch_asym_cpu_priority(a) > arch_asym_cpu_priority(b); } +struct perf_domain { + struct em_perf_domain *em_pd; + struct perf_domain *next; + struct rcu_head rcu; +}; + /* * We add the notion of a root-domain which will be used to define per-domain * variables. Each exclusive cpuset essentially defines an island domain by @@ -761,6 +768,12 @@ struct root_domain { struct cpupri cpupri; unsigned long max_cpu_capacity; + + /* + * NULL-terminated list of performance domains intersecting with the + * CPUs of the rd. Protected by RCU. + */ + struct perf_domain *pd; }; extern struct root_domain def_root_domain; @@ -2276,3 +2289,11 @@ unsigned long scale_irq_capacity(unsigned long util, unsigned long irq, unsigned return util; } #endif + +#ifdef CONFIG_SMP +#ifdef CONFIG_ENERGY_MODEL +#define perf_domain_span(pd) (to_cpumask(((pd)->em_pd->cpus))) +#else +#define perf_domain_span(pd) NULL +#endif +#endif |