17fe2f639SDominik Brodowski /* cpufreq-bench CPUFreq microbenchmark 27fe2f639SDominik Brodowski * 37fe2f639SDominik Brodowski * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> 47fe2f639SDominik Brodowski * 57fe2f639SDominik Brodowski * This program is free software; you can redistribute it and/or modify 67fe2f639SDominik Brodowski * it under the terms of the GNU General Public License as published by 77fe2f639SDominik Brodowski * the Free Software Foundation; either version 2 of the License, or 87fe2f639SDominik Brodowski * (at your option) any later version. 97fe2f639SDominik Brodowski * 107fe2f639SDominik Brodowski * This program is distributed in the hope that it will be useful, 117fe2f639SDominik Brodowski * but WITHOUT ANY WARRANTY; without even the implied warranty of 127fe2f639SDominik Brodowski * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 137fe2f639SDominik Brodowski * GNU General Public License for more details. 147fe2f639SDominik Brodowski * 157fe2f639SDominik Brodowski * You should have received a copy of the GNU General Public License 167fe2f639SDominik Brodowski * along with this program; if not, write to the Free Software 177fe2f639SDominik Brodowski * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 187fe2f639SDominik Brodowski */ 197fe2f639SDominik Brodowski 207fe2f639SDominik Brodowski /* struct that holds the required config parameters */ 217fe2f639SDominik Brodowski struct config 227fe2f639SDominik Brodowski { 237fe2f639SDominik Brodowski long sleep; /* sleep time in �s */ 247fe2f639SDominik Brodowski long load; /* load time in �s */ 257fe2f639SDominik Brodowski long sleep_step; /* time value which changes the 267fe2f639SDominik Brodowski * sleep time after every round in �s */ 277fe2f639SDominik Brodowski long load_step; /* time value which changes the 287fe2f639SDominik Brodowski * load time after every round in �s */ 297fe2f639SDominik Brodowski unsigned int cycles; /* calculation cycles with the same sleep/load time */ 307fe2f639SDominik Brodowski unsigned int rounds; /* calculation rounds with iterated sleep/load time */ 317fe2f639SDominik Brodowski unsigned int cpu; /* cpu for which the affinity is set */ 327fe2f639SDominik Brodowski char governor[15]; /* cpufreq governor */ 337fe2f639SDominik Brodowski enum sched_prio /* possible scheduler priorities */ 347fe2f639SDominik Brodowski { 357fe2f639SDominik Brodowski SCHED_ERR=-1,SCHED_HIGH, SCHED_DEFAULT, SCHED_LOW 367fe2f639SDominik Brodowski } prio; 377fe2f639SDominik Brodowski 387fe2f639SDominik Brodowski unsigned int verbose; /* verbose output */ 397fe2f639SDominik Brodowski FILE *output; /* logfile */ 407fe2f639SDominik Brodowski char *output_filename; /* logfile name, must be freed at the end 417fe2f639SDominik Brodowski if output != NULL and output != stdout*/ 427fe2f639SDominik Brodowski }; 437fe2f639SDominik Brodowski 447fe2f639SDominik Brodowski enum sched_prio string_to_prio(const char *str); 457fe2f639SDominik Brodowski 467fe2f639SDominik Brodowski FILE *prepare_output(const char *dir); 477fe2f639SDominik Brodowski 487fe2f639SDominik Brodowski int prepare_config(const char *path, struct config *config); 497fe2f639SDominik Brodowski struct config *prepare_default_config(); 507fe2f639SDominik Brodowski 51