| /* |
| * Copyright 2012, Linaro |
| * |
| * This file is part of PowerTOP |
| * |
| * This program file is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program in a file named COPYING; if not, write to the |
| * Free Software Foundation, Inc, |
| * 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA |
| * or just google for it. |
| * |
| * Authors: |
| * Rajagopal Venkat <rajagopal.venkat@linaro.org> |
| */ |
| #ifndef _INCLUDE_GUARD_DEVFREQ_H |
| #define _INCLUDE_GUARD_DEVFREQ_H |
| |
| #include "device.h" |
| #include "../parameters/parameters.h" |
| |
| struct frequency; |
| |
| class devfreq: public device { |
| char dir_name[4096]; |
| struct timeval stamp_before, stamp_after; |
| double sample_time; |
| |
| uint64_t parse_freq_time(char *ptr); |
| void add_devfreq_freq_state(uint64_t freq, uint64_t time); |
| void update_devfreq_freq_state(uint64_t freq, uint64_t time); |
| void parse_devfreq_trans_stat(char *dname); |
| void process_time_stamps(); |
| |
| public: |
| |
| vector<struct frequency *> dstates; |
| |
| devfreq(const char *c); |
| void fill_freq_utilization(unsigned int idx, char *buf); |
| void fill_freq_name(unsigned int idx, char *buf); |
| |
| virtual void start_measurement(void); |
| virtual void end_measurement(void); |
| |
| virtual double utilization(void); /* percentage */ |
| |
| virtual const char * class_name(void) { return "devfreq";}; |
| |
| virtual const char * device_name(void) { return dir_name;}; |
| virtual const char * human_name(void) { return "devfreq";}; |
| virtual double power_usage(struct result_bundle *result, struct parameter_bundle *bundle); |
| virtual const char * util_units(void) { return " rpm"; }; |
| virtual int power_valid(void) { return 0; /*utilization_power_valid(r_index);*/}; |
| virtual int grouping_prio(void) { return 1; }; |
| }; |
| |
| extern void create_all_devfreq_devices(void); |
| extern void clear_all_devfreq(void); |
| extern void display_devfreq_devices(void); |
| extern void report_devfreq_devices(void); |
| extern void initialize_devfreq(void); |
| extern void start_devfreq_measurement(void); |
| extern void end_devfreq_measurement(void); |
| |
| #endif |