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tools
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power
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cpupower
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utils
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helpers
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sysfs.h

sysfs.h 1018 B
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  1. #ifndef __CPUPOWER_HELPERS_SYSFS_H__
    2. 

  2. #define __CPUPOWER_HELPERS_SYSFS_H__
    3. 

  3. 

  4. #define PATH_TO_CPU "/sys/devices/system/cpu/"
    5. 

  5. #define MAX_LINE_LEN 255
    6. 

  6. #define SYSFS_PATH_MAX 255
    7. 

  7. 

  8. extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
    9. 

  9. 

  10. extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
    11. 

  11. 						unsigned int idlestate);
    12. 

  12. extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
    13. 

  13. 					unsigned int idlestate);
    14. 

  14. extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
    15. 

  15. 						unsigned int idlestate);
    16. 

  16. extern char *sysfs_get_idlestate_name(unsigned int cpu,
    17. 

  17. 				unsigned int idlestate);
    18. 

  18. extern char *sysfs_get_idlestate_desc(unsigned int cpu,
    19. 

  19. 				unsigned int idlestate);
    20. 

  20. extern int sysfs_get_idlestate_count(unsigned int cpu);
    21. 

  21. 

  22. extern char *sysfs_get_cpuidle_governor(void);
    23. 

  23. extern char *sysfs_get_cpuidle_driver(void);
    24. 

  24. 

  25. extern int sysfs_get_sched(const char *smt_mc);
    26. 

  26. extern int sysfs_set_sched(const char *smt_mc, int val);
    27. 

  27. 

  28. #endif /* __CPUPOWER_HELPERS_SYSFS_H__ */
    29.