131 lines
4.0 KiB
C
Executable File
131 lines
4.0 KiB
C
Executable File
/*
|
|
* Copyright (c) 2017 Samsung Electronics Co., Ltd
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/plist.h>
|
|
#include <linux/sched/idle.h>
|
|
#include <linux/sched/topology.h>
|
|
|
|
struct gb_qos_request {
|
|
struct plist_node node;
|
|
char *name;
|
|
bool active;
|
|
};
|
|
|
|
#define LEAVE_BAND 0
|
|
|
|
struct task_band {
|
|
int id;
|
|
pid_t tgid;
|
|
raw_spinlock_t lock;
|
|
|
|
struct list_head members;
|
|
int member_count;
|
|
struct cpumask playable_cpus;
|
|
|
|
unsigned long util;
|
|
unsigned long last_update_time;
|
|
};
|
|
|
|
#ifdef CONFIG_SCHED_EMS
|
|
extern struct kobject *ems_kobj;
|
|
extern unsigned int get_cpu_max_capacity(unsigned int cpu);
|
|
|
|
/* task util initialization */
|
|
extern void exynos_init_entity_util_avg(struct sched_entity *se);
|
|
|
|
/* active balance */
|
|
extern int exynos_need_active_balance(enum cpu_idle_type idle,
|
|
struct sched_domain *sd, int src_cpu, int dst_cpu);
|
|
|
|
/* wakeup balance */
|
|
extern int
|
|
exynos_wakeup_balance(struct task_struct *p, int prev_cpu, int sd_flag, int sync);
|
|
|
|
/* ontime migration */
|
|
extern void ontime_migration(void);
|
|
extern int ontime_can_migration(struct task_struct *p, int cpu);
|
|
extern void ontime_update_load_avg(u64 delta, int cpu, unsigned long weight, struct sched_avg *sa);
|
|
extern void ontime_new_entity_load(struct task_struct *parent, struct sched_entity *se);
|
|
extern void ontime_trace_task_info(struct task_struct *p);
|
|
|
|
/* load balance trigger */
|
|
extern bool lbt_overutilized(int cpu, int level);
|
|
extern void update_lbt_overutil(int cpu, unsigned long capacity);
|
|
|
|
/* global boost */
|
|
extern void gb_qos_update_request(struct gb_qos_request *req, u32 new_value);
|
|
|
|
/* task band */
|
|
extern void sync_band(struct task_struct *p, bool join);
|
|
extern void newbie_join_band(struct task_struct *newbie);
|
|
extern int alloc_bands(void);
|
|
extern void update_band(struct task_struct *p, long old_util);
|
|
extern int band_playing(struct task_struct *p, int cpu);
|
|
#else
|
|
static inline void exynos_init_entity_util_avg(struct sched_entity *se) { }
|
|
|
|
static inline int exynos_need_active_balance(enum cpu_idle_type idle,
|
|
struct sched_domain *sd, int src_cpu, int dst_cpu)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
exynos_wakeup_balance(struct task_struct *p, int prev_cpu, int sd_flag, int sync)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static inline void ontime_migration(void) { }
|
|
static inline int ontime_can_migration(struct task_struct *p, int cpu)
|
|
{
|
|
return 1;
|
|
}
|
|
static inline void ontime_update_load_avg(u64 delta, int cpu, unsigned long weight, struct sched_avg *sa) { }
|
|
static inline void ontime_new_entity_load(struct task_struct *p, struct sched_entity *se) { }
|
|
static inline void ontime_trace_task_info(struct task_struct *p) { }
|
|
|
|
static inline bool lbt_overutilized(int cpu, int level)
|
|
{
|
|
return false;
|
|
}
|
|
static inline void update_lbt_overutil(int cpu, unsigned long capacity) { }
|
|
|
|
static inline void gb_qos_update_request(struct gb_qos_request *req, u32 new_value) { }
|
|
|
|
static inline void sync_band(struct task_struct *p, bool join) { }
|
|
static inline void newbie_join_band(struct task_struct *newbie) { }
|
|
static inline int alloc_bands(void)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void update_band(struct task_struct *p, long old_util) { }
|
|
static inline int band_playing(struct task_struct *p, int cpu)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_SCHED_EMS */
|
|
|
|
#ifdef CONFIG_SIMPLIFIED_ENERGY_MODEL
|
|
extern void init_sched_energy_table(struct cpumask *cpus, int table_size,
|
|
unsigned long *f_table, unsigned int *v_table,
|
|
int max_f, int min_f);
|
|
#else
|
|
static inline void init_sched_energy_table(struct cpumask *cpus, int table_size,
|
|
unsigned long *f_table, unsigned int *v_table,
|
|
int max_f, int min_f) { }
|
|
#endif
|
|
|
|
/* Fluid Real Time */
|
|
extern unsigned int frt_disable_cpufreq;
|