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										 |  |  | /*  cpufreq-bench CPUFreq microbenchmark
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							|  |  |  |  * | 
					
						
							|  |  |  |  *  Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  This program 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; either version 2 of the License, or | 
					
						
							|  |  |  |  *  (at your option) any later version. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  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; if not, write to the Free Software | 
					
						
							|  |  |  |  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | 
					
						
							|  |  |  |  */ | 
					
						
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							|  |  |  | /* struct that holds the required config parameters */ | 
					
						
							|  |  |  | struct config | 
					
						
							|  |  |  | { | 
					
						
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										 |  |  | 	long sleep;		/* sleep time in µs */ | 
					
						
							|  |  |  | 	long load;		/* load time in µs */ | 
					
						
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										 |  |  | 	long sleep_step;	/* time value which changes the
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										 |  |  | 				 * sleep time after every round in µs */ | 
					
						
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										 |  |  | 	long load_step;		/* time value which changes the
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										 |  |  | 				 * load time after every round in µs */ | 
					
						
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										 |  |  | 	unsigned int cycles;	/* calculation cycles with the same sleep/load time */ | 
					
						
							|  |  |  | 	unsigned int rounds;	/* calculation rounds with iterated sleep/load time */ | 
					
						
							|  |  |  | 	unsigned int cpu;	/* cpu for which the affinity is set */ | 
					
						
							|  |  |  | 	char governor[15];	/* cpufreq governor */ | 
					
						
							|  |  |  | 	enum sched_prio		/* possible scheduler priorities */ | 
					
						
							|  |  |  | 	{ | 
					
						
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										 |  |  | 		SCHED_ERR = -1, | 
					
						
							|  |  |  | 		SCHED_HIGH, | 
					
						
							|  |  |  | 		SCHED_DEFAULT, | 
					
						
							|  |  |  | 		SCHED_LOW | 
					
						
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										 |  |  | 	} prio; | 
					
						
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							|  |  |  | 	unsigned int verbose;	/* verbose output */ | 
					
						
							|  |  |  | 	FILE *output;		/* logfile */ | 
					
						
							|  |  |  | 	char *output_filename;	/* logfile name, must be freed at the end
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							|  |  |  | 				   if output != NULL and output != stdout*/ | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | enum sched_prio string_to_prio(const char *str); | 
					
						
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							|  |  |  | FILE *prepare_output(const char *dir); | 
					
						
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							|  |  |  | int prepare_config(const char *path, struct config *config); | 
					
						
							|  |  |  | struct config *prepare_default_config(); | 
					
						
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