jiffies.c File Reference

#include <linux/clocksource.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/init.h>
#include "tick-internal.h"

Go to the source code of this file.

Macros
#define	NSEC_PER_JIFFY   ((NSEC_PER_SEC+HZ/2)/HZ)
#define	JIFFIES_SHIFT   8

Functions
u64	get_jiffies_64 (void)
	EXPORT_SYMBOL (get_jiffies_64)
	EXPORT_SYMBOL (jiffies)
	core_initcall (init_jiffies_clocksource)
struct clocksource *__init __weak	clocksource_default_clock (void)
int	register_refined_jiffies (long cycles_per_second)

Variables
struct clocksource	clocksource_jiffies
struct clocksource	refined_jiffies

Macro Definition Documentation

#define JIFFIES_SHIFT   8

Definition at line 54 of file jiffies.c.

#define NSEC_PER_JIFFY   ((NSEC_PER_SEC+HZ/2)/HZ)

Definition at line 40 of file jiffies.c.

Function Documentation

struct clocksource* __init __weak clocksource_default_clock ( void  )

read

Definition at line 94 of file jiffies.c.

core_initcall

(

init_jiffies_clocksource

)

EXPORT_SYMBOL

(

get_jiffies_64

)

EXPORT_SYMBOL

(

jiffies

)

u64 get_jiffies_64

(

void

)

Definition at line 71 of file jiffies.c.

int register_refined_jiffies

(

long

cycles_per_second

)

Definition at line 101 of file jiffies.c.

Variable Documentation

struct clocksource clocksource_jiffies

Initial value:

= {
    .name       = "jiffies",
    .rating     = 1, 
    .read       = jiffies_read,
    .mask       = 0xffffffff, 
    .mult       = NSEC_PER_JIFFY << JIFFIES_SHIFT, 
    .shift      = JIFFIES_SHIFT,
}

Definition at line 61 of file jiffies.c.

struct clocksource refined_jiffies

Definition at line 99 of file jiffies.c.