processor.c File Reference

#include "config.h"
#include <unistd.h>
#include <strings.h>
#include <sys/time.h>
#include <sys/fcntl.h>
#include <sys/types.h>
#include <errno.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <stdio.h>
#include "powerlib_local.h"
#include "powerlib.h"

Defines
#define	ACPI_PROCESSOR_DIR   "/proc/acpi/processor"
#define	PROC_STAT_FILE   "/proc/stat"
#define	PROC_CPUINFO_FILE   "/proc/cpuinfo"
#define	SYSFS_CPU_PATH   "/sys/devices/system/cpu"
Functions
int	getThrottlingInfo (int *num_states, int *current_state)
	get throttling information (ACPI only)
int	getThrottlingInfoCPU (const int cpu, int *states, int *current)
	get throttling info for one single cpu
int	setThrottlingState (const int state)
int	setThrottlingStateCPU (const int cpu, const int state)
	set throttling state on cpu
int	setThrottlingPercentCPU (const int cpu, const int percent)
	set throttling percent for single cpu
int	setThrottlingPercent (const int percent)
	set throttling percent
float	getRealProcessorSpeed ()
	get processor speed
int	calcCPULoad (const int consider_nice)
	calculate cpu load
int	getCPULoad (const int cpu)
	get current cpu load
int	getCPUCount ()
	get number of cpus in system
void	freeCPULoadData ()
	free data for calculating cpu time
int	getCPUOnline (int cpu_num)
Variables
static unsigned long *	ps_last_total_time = NULL
static unsigned long *	ps_last_working_time = NULL
static int *	ps_cpuload = NULL
static int	cpuCount = -1

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Define Documentation

#define ACPI_PROCESSOR_DIR   "/proc/acpi/processor"

#define PROC_CPUINFO_FILE   "/proc/cpuinfo"

#define PROC_STAT_FILE   "/proc/stat"

#define SYSFS_CPU_PATH   "/sys/devices/system/cpu"

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Function Documentation

int getCPUOnline (  int  cpu_num  )

int setThrottlingState (  const int  state  )

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Variable Documentation

int cpuCount = -1 [static]

int* ps_cpuload = NULL [static]

unsigned long* ps_last_total_time = NULL [static]

unsigned long * ps_last_working_time = NULL [static]

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