5d02d2fc70e1115cb33698893f27e22bc17beb58
[linux-2.6.git] / tools / power / cpupower / utils / helpers / sysfs.h
1 #ifndef __CPUPOWER_HELPERS_SYSFS_H__
2 #define __CPUPOWER_HELPERS_SYSFS_H__
3
4 #define PATH_TO_CPU "/sys/devices/system/cpu/"
5 #define MAX_LINE_LEN 255
6 #define SYSFS_PATH_MAX 255
7
8 extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
9
10 extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu, unsigned int idlestate);
11 extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu, unsigned int idlestate);
12 extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu, unsigned int idlestate);
13 extern char * sysfs_get_idlestate_name(unsigned int cpu, unsigned int idlestate);
14 extern char * sysfs_get_idlestate_desc(unsigned int cpu, unsigned int idlestate);
15 extern int sysfs_get_idlestate_count(unsigned int cpu);
16
17 extern char * sysfs_get_cpuidle_governor(void);
18 extern char * sysfs_get_cpuidle_driver(void);
19
20 extern int sysfs_get_sched(const char* smt_mc);
21 extern int sysfs_set_sched(const char* smt_mc, int val);
22
23 #endif /* __CPUPOWER_HELPERS_SYSFS_H__ */