drivers/cpufreq/cpu_load_metric.h

   1 /*
   2  *  ARM Intelligent Power Allocation
   3  *
   4  *  Copyright (C) 2013 ARM Limited.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef _DRIVERS_CPU_LOAD_METRIC_H
  19 #define _DRIVERS_CPU_LOAD_METRIC_H
  20
  21 #include <linux/cpufreq.h>
  22 #include <linux/cpumask.h>
  23
  24 struct cluster_stats
  25 {
  26         int util;
  27         int utils[NR_CPUS];
  28         int freq;
  29         cpumask_var_t mask;
  30 };
  31
  32 void update_cpu_metric(int cpu, u64 now, u64 delta_idle, u64 delta_time, struct cpufreq_policy *policy);
  33
  34 void cpu_load_metric_get(int *load, int *freq);
  35 void get_cluster_stats(struct cluster_stats *clstats);
  36
  37 #endif /* _DRIVERS_CPU_LOAD_METRIC_H */