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Dominik Brodowski7fe2f632011-03-30 16:30:11 +02001#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
8extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
9
Dominik Brodowski2cd005c2011-04-19 20:16:05 +020010extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
11 unsigned int idlestate);
12extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
13 unsigned int idlestate);
14extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
15 unsigned int idlestate);
16extern char *sysfs_get_idlestate_name(unsigned int cpu,
17 unsigned int idlestate);
18extern char *sysfs_get_idlestate_desc(unsigned int cpu,
19 unsigned int idlestate);
Dominik Brodowski7fe2f632011-03-30 16:30:11 +020020extern int sysfs_get_idlestate_count(unsigned int cpu);
21
Dominik Brodowski2cd005c2011-04-19 20:16:05 +020022extern char *sysfs_get_cpuidle_governor(void);
23extern char *sysfs_get_cpuidle_driver(void);
Dominik Brodowski7fe2f632011-03-30 16:30:11 +020024
Dominik Brodowski2cd005c2011-04-19 20:16:05 +020025extern int sysfs_get_sched(const char *smt_mc);
26extern int sysfs_set_sched(const char *smt_mc, int val);
Dominik Brodowski7fe2f632011-03-30 16:30:11 +020027
28#endif /* __CPUPOWER_HELPERS_SYSFS_H__ */