parse.h

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/*  cpufreq-bench CPUFreq microbenchmark
 *
 *  Copyright (C) 2008 Christian Kornacker <[email protected]>
 *
 *  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.
 */

/* struct that holds the required config parameters */
struct config
{
    long sleep;     /* sleep time in µs */
    long load;      /* load time in µs */
    long sleep_step;    /* time value which changes the
                 * sleep time after every round in µs */
    long load_step;     /* time value which changes the
                 * load time after every round in µs */
    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 */
    {
        SCHED_ERR = -1,
        SCHED_HIGH,
        SCHED_DEFAULT,
        SCHED_LOW
    } prio;

    unsigned int verbose;   /* verbose output */
    FILE *output;       /* logfile */
    char *output_filename;  /* logfile name, must be freed at the end
                   if output != NULL and output != stdout*/
};

enum sched_prio string_to_prio(const char *str);

FILE *prepare_output(const char *dir);

int prepare_config(const char *path, struct config *config);
struct config *prepare_default_config();