sysfs.c File Reference

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "helpers/sysfs.h"

Go to the source code of this file.

Enumerations
enum	idlestate_value {   IDLESTATE_USAGE, IDLESTATE_POWER, IDLESTATE_LATENCY, IDLESTATE_TIME,   MAX_IDLESTATE_VALUE_FILES }
enum	idlestate_string { IDLESTATE_DESC, IDLESTATE_NAME, MAX_IDLESTATE_STRING_FILES }
enum	cpuidle_string { CPUIDLE_GOVERNOR, CPUIDLE_GOVERNOR_RO, CPUIDLE_DRIVER, MAX_CPUIDLE_STRING_FILES }

Functions
unsigned int	sysfs_read_file (const char *path, char *buf, size_t buflen)
int	sysfs_is_cpu_online (unsigned int cpu)
unsigned int	sysfs_idlestate_read_file (unsigned int cpu, unsigned int idlestate, const char *fname, char *buf, size_t buflen)
unsigned long	sysfs_get_idlestate_latency (unsigned int cpu, unsigned int idlestate)
unsigned long	sysfs_get_idlestate_usage (unsigned int cpu, unsigned int idlestate)
unsigned long long	sysfs_get_idlestate_time (unsigned int cpu, unsigned int idlestate)
char *	sysfs_get_idlestate_name (unsigned int cpu, unsigned int idlestate)
char *	sysfs_get_idlestate_desc (unsigned int cpu, unsigned int idlestate)
int	sysfs_get_idlestate_count (unsigned int cpu)
char *	sysfs_get_cpuidle_governor (void)
char *	sysfs_get_cpuidle_driver (void)
int	sysfs_get_sched (const char *smt_mc)
int	sysfs_set_sched (const char *smt_mc, int val)

Enumeration Type Documentation

enum cpuidle_string

Enumerator:

CPUIDLE_GOVERNOR
CPUIDLE_GOVERNOR_RO
CPUIDLE_DRIVER
MAX_CPUIDLE_STRING_FILES

Definition at line 304 of file sysfs.c.

enum idlestate_string

Enumerator:

IDLESTATE_DESC
IDLESTATE_NAME
MAX_IDLESTATE_STRING_FILES

Definition at line 188 of file sysfs.c.

enum idlestate_value

Enumerator:

IDLESTATE_USAGE
IDLESTATE_POWER
IDLESTATE_LATENCY
IDLESTATE_TIME
MAX_IDLESTATE_VALUE_FILES

Definition at line 145 of file sysfs.c.

Function Documentation

char* sysfs_get_cpuidle_driver

(

void

)

Definition at line 351 of file sysfs.c.

char* sysfs_get_cpuidle_governor

(

void

)

Definition at line 342 of file sysfs.c.

int sysfs_get_idlestate_count

(

unsigned int

cpu

)

Definition at line 260 of file sysfs.c.

char* sysfs_get_idlestate_desc	(	unsigned int	cpu,
		unsigned int	idlestate
	)

Definition at line 250 of file sysfs.c.

unsigned long sysfs_get_idlestate_latency	(	unsigned int	cpu,
		unsigned int	idlestate
	)

Definition at line 227 of file sysfs.c.

char* sysfs_get_idlestate_name	(	unsigned int	cpu,
		unsigned int	idlestate
	)

Definition at line 245 of file sysfs.c.

unsigned long long sysfs_get_idlestate_time	(	unsigned int	cpu,
		unsigned int	idlestate
	)

Definition at line 239 of file sysfs.c.

unsigned long sysfs_get_idlestate_usage	(	unsigned int	cpu,
		unsigned int	idlestate
	)

Definition at line 233 of file sysfs.c.

int sysfs_get_sched

(

const char *

smt_mc

)

Definition at line 363 of file sysfs.c.

unsigned int sysfs_idlestate_read_file	(	unsigned int	cpu,
		unsigned int	idlestate,
		const char *	fname,
		char *	buf,
		size_t	buflen
	)

Definition at line 117 of file sysfs.c.

int sysfs_is_cpu_online

(

unsigned int

cpu

)

Definition at line 67 of file sysfs.c.

unsigned int sysfs_read_file	(	const char *	path,
		char *	buf,
		size_t	buflen
	)

Definition at line 19 of file sysfs.c.

int sysfs_set_sched	(	const char *	smt_mc,
		int	val
	)

Definition at line 374 of file sysfs.c.