fair.c File Reference

#include <linux/latencytop.h>
#include <linux/sched.h>
#include <linux/cpumask.h>
#include <linux/slab.h>
#include <linux/profile.h>
#include <linux/interrupt.h>
#include <trace/events/sched.h>
#include "sched.h"

Go to the source code of this file.

Macros
#define	SET_SYSCTL(name)   (sysctl_##name = (factor) * normalized_sysctl_##name)
#define	WMULT_CONST   (1UL << 32)
#define	WMULT_SHIFT   32
#define	SRR(x, y)   (((x) + (1UL << ((y) - 1))) >> (y))
#define	entity_is_task(se)   1
#define	for_each_sched_entity(se)   for (; se; se = NULL)
#define	for_each_leaf_cfs_rq(rq, cfs_rq)   for (cfs_rq = &rq->cfs; cfs_rq; cfs_rq = NULL)

Functions
void	sched_init_granularity (void)
struct sched_entity *	__pick_first_entity (struct cfs_rq *cfs_rq)
void	init_cfs_bandwidth (struct cfs_bandwidth *cfs_b)
void	init_cfs_rq (struct cfs_rq *cfs_rq)
void	free_fair_sched_group (struct task_group *tg)
int	alloc_fair_sched_group (struct task_group *tg, struct task_group *parent)
void	unregister_fair_sched_group (struct task_group *tg, int cpu)
__init void	init_sched_fair_class (void)

Variables
unsigned int	sysctl_sched_latency = 6000000ULL
unsigned int	normalized_sysctl_sched_latency = 6000000ULL
enum sched_tunable_scaling	sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_LOG
unsigned int	sysctl_sched_min_granularity = 750000ULL
unsigned int	normalized_sysctl_sched_min_granularity = 750000ULL
unsigned int sysctl_sched_child_runs_first	__read_mostly
unsigned int	sysctl_sched_wakeup_granularity = 1000000UL
unsigned int	normalized_sysctl_sched_wakeup_granularity = 1000000UL
const_debug unsigned int	sysctl_sched_migration_cost = 500000UL
unsigned int __read_mostly	sysctl_sched_shares_window = 10000000UL
struct sched_class	fair_sched_class

Macro Definition Documentation

#define entity_is_task

(

se

)

1

Definition at line 366 of file fair.c.

#define for_each_leaf_cfs_rq	(		rq,
			cfs_rq
	)		for (cfs_rq = &rq->cfs; cfs_rq; cfs_rq = NULL)

Definition at line 398 of file fair.c.

#define for_each_sched_entity

(

se

)

for (; se; se = NULL)

Definition at line 368 of file fair.c.

#define SET_SYSCTL

(

name

)

(sysctl_##name = (factor) * normalized_sysctl_##name)

#define SRR	(		x,
			y
	)		(((x) + (1UL << ((y) - 1))) >> (y))

Definition at line 171 of file fair.c.

#define WMULT_CONST   (1UL << 32)

Definition at line 163 of file fair.c.

#define WMULT_SHIFT   32

Definition at line 166 of file fair.c.

Function Documentation

struct sched_entity* __pick_first_entity ( struct cfs_rq *  cfs_rq )

read

Definition at line 526 of file fair.c.

int alloc_fair_sched_group	(	struct task_group *	tg,
		struct task_group *	parent
	)

Definition at line 5280 of file fair.c.

void free_fair_sched_group

(

struct task_group *

tg

)

Definition at line 5278 of file fair.c.

void init_cfs_bandwidth

(

struct cfs_bandwidth *

cfs_b

)

Definition at line 2098 of file fair.c.

void init_cfs_rq

(

struct cfs_rq *

cfs_rq

)

Definition at line 5088 of file fair.c.

__init void init_sched_fair_class

(

void

)

Definition at line 5356 of file fair.c.

void sched_init_granularity

(

void

)

Definition at line 155 of file fair.c.

void unregister_fair_sched_group	(	struct task_group *	tg,
		int	cpu
	)

Definition at line 5285 of file fair.c.

Variable Documentation

unsigned int sysctl_sched_child_runs_first __read_mostly

Definition at line 77 of file fair.c.

struct sched_class fair_sched_class

Definition at line 216 of file fair.c.

unsigned int normalized_sysctl_sched_latency = 6000000ULL

Definition at line 47 of file fair.c.

unsigned int normalized_sysctl_sched_min_granularity = 750000ULL

Definition at line 66 of file fair.c.

unsigned int normalized_sysctl_sched_wakeup_granularity = 1000000UL

Definition at line 88 of file fair.c.

unsigned int sysctl_sched_latency = 6000000ULL

Definition at line 46 of file fair.c.

const_debug unsigned int sysctl_sched_migration_cost = 500000UL

Definition at line 90 of file fair.c.

unsigned int sysctl_sched_min_granularity = 750000ULL

Definition at line 65 of file fair.c.

unsigned int __read_mostly sysctl_sched_shares_window = 10000000UL

Definition at line 97 of file fair.c.

enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_LOG

Definition at line 59 of file fair.c.

unsigned int sysctl_sched_wakeup_granularity = 1000000UL

Definition at line 87 of file fair.c.