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kernel/linux-rt-4.4.41/tools/power/cpupower/lib/sysfs.h 1.45 KB
5113f6f70   김현기   kernel add
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  /* General */
  extern unsigned int sysfs_cpu_exists(unsigned int cpu);
  
  /* CPUfreq */
  extern unsigned long sysfs_get_freq_kernel(unsigned int cpu);
  extern unsigned long sysfs_get_freq_hardware(unsigned int cpu);
  extern unsigned long sysfs_get_freq_transition_latency(unsigned int cpu);
  extern int sysfs_get_freq_hardware_limits(unsigned int cpu,
  					unsigned long *min, unsigned long *max);
  extern char *sysfs_get_freq_driver(unsigned int cpu);
  extern struct cpufreq_policy *sysfs_get_freq_policy(unsigned int cpu);
  extern struct cpufreq_available_governors *sysfs_get_freq_available_governors(
  	unsigned int cpu);
  extern struct cpufreq_available_frequencies *sysfs_get_available_frequencies(
  	unsigned int cpu);
  extern struct cpufreq_affected_cpus *sysfs_get_freq_affected_cpus(
  	unsigned int cpu);
  extern struct cpufreq_affected_cpus *sysfs_get_freq_related_cpus(
  	unsigned int cpu);
  extern struct cpufreq_stats *sysfs_get_freq_stats(unsigned int cpu,
  						unsigned long long *total_time);
  extern unsigned long sysfs_get_freq_transitions(unsigned int cpu);
  extern int sysfs_set_freq_policy(unsigned int cpu,
  				struct cpufreq_policy *policy);
  extern int sysfs_modify_freq_policy_min(unsigned int cpu,
  					unsigned long min_freq);
  extern int sysfs_modify_freq_policy_max(unsigned int cpu,
  					unsigned long max_freq);
  extern int sysfs_modify_freq_policy_governor(unsigned int cpu, char *governor);
  extern int sysfs_set_frequency(unsigned int cpu,
  			unsigned long target_frequency);