| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 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 | |
| Thomas Renninger | 7c74d2b | 2011-08-12 01:11:37 +0200 | [diff] [blame] | 10 | extern int sysfs_is_cpu_online(unsigned int cpu); |
| 11 | |
| Dominik Brodowski | 2cd005c | 2011-04-19 20:16:05 +0200 | [diff] [blame] | 12 | extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu, |
| 13 | unsigned int idlestate); |
| 14 | extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu, |
| 15 | unsigned int idlestate); |
| 16 | extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu, |
| 17 | unsigned int idlestate); |
| 18 | extern char *sysfs_get_idlestate_name(unsigned int cpu, |
| 19 | unsigned int idlestate); |
| 20 | extern char *sysfs_get_idlestate_desc(unsigned int cpu, |
| 21 | unsigned int idlestate); |
| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 22 | extern int sysfs_get_idlestate_count(unsigned int cpu); |
| 23 | |
| Dominik Brodowski | 2cd005c | 2011-04-19 20:16:05 +0200 | [diff] [blame] | 24 | extern char *sysfs_get_cpuidle_governor(void); |
| 25 | extern char *sysfs_get_cpuidle_driver(void); |
| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 26 | |
| Dominik Brodowski | 2cd005c | 2011-04-19 20:16:05 +0200 | [diff] [blame] | 27 | extern int sysfs_get_sched(const char *smt_mc); |
| 28 | extern int sysfs_set_sched(const char *smt_mc, int val); |
| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 29 | |
| 30 | #endif /* __CPUPOWER_HELPERS_SYSFS_H__ */ |