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/* This file is part of cputemp2maxfreq.
Copyright (C) 2023-2024 pa4wdh
cputemp2maxfreq 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 3 of the License , or
(at your option) any later version.
cputemp2maxfreq 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 cputemp2maxfreq; see the file COPYING. If not, see
<http://www.gnu.org/licenses>.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "cputemp2maxfreq.h"
#include "debug.h"
#include "logger.h"
#include "version.h"
extern struct s_config config;
void printhelp()
{
printf(
"Usage: %s <options>\n"
"\n"
"Scaling options:\n"
"-d <delay> Transition latency in us or \"auto\" for autodetect\n"
" Default: auto\n"
"-f <frequency> Fallback frequency in KHz, used when everything fails\n"
" Default: %ld\n"
"-g <governor> cpufreq governor to use, use \"keep\" to keep current governor\n"
" Default: %s\n"
"-i <sensor> Input for temperature readout, this can be specified as:\n"
" A full path that starts with /, usually somewhere in sysfs\n"
" A sensor name, for example \"Core 0\"\n"
" The word \"auto\" autodetects a valid sensor\n"
" Default: %s\n"
"-k Keep last state on successful exit, set CPU to lowest frequency\n"
" on error.\n"
" Default: Always set CPU to lowest frequency on exit\n"
"-p <time> Poll interval in seconds\n"
" Default: %d\n"
"-P <CPU ID> Physical CPU number (socket number) for multi-CPU systems. Given\n"
" a number it will only change the governor/frequency for the\n"
" given CPU, or the word \"all\" to change all CPU's\n"
" Default: all\n"
"-s <step> Step size in Khz when increasing/decreasing CPU speed\n"
" Default: %ld\n"
"-t <number> Temperature limit\n"
" Default: %ld\n"
"\n"
"Logging options:\n"
"-c <file> Write CSV log for later analysis to file. Append data if the\n"
" file already exists\n"
"-C <file> Same as -c but overwrite existing file\n"
"-l <logger> Logger to use, valid values: none, kmsg, stdout, syslog\n"
" Default: %s\n"
"-m Log measurements (CPU temperature and frequency) via logger\n"
"-u Use unixtime timestamps in log and CSV outputs\n"
" Default timestamp format is: YYYY-MM-DD HH:MM:SS\n"
"\n"
"Other options:\n"
"-h Display this help text\n"
"-v Display version and license information\n",
config.name,config.fallback_freq,config.governor,config.temp_input,config.interval,
config.freq_step,config.max_temp/1000,config.logger_name
);
}
void printversion()
{
printf("%s version %s\n\n",config.name,version());
printf(
"Copyright 2023, 2024 pa4wdh\n"
"\n"
"%s is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation; either version 3 of the License , or\n"
"(at your option) any later version.\n"
"\n"
"%s is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with %s; see the file COPYING. If not, see\n"
"<http://www.gnu.org/licenses>.\n",
config.name,config.name,config.name
);
}
void argparse(int argc, char **argv)
{
int opt;
struct s_config userconfig;
char *lastslash;
DEBUG1_ARGPARSE("Started\n");
lastslash=strrchr(argv[0],'/');
if (lastslash==NULL)
{
lastslash=argv[0];
} else {
lastslash++;
}
strncpy(config.name,lastslash,sizeof(config.name));
DEBUG2_ARGPARSE("Detected program name %s\n",config.name);
// Copy defaults
memcpy(&userconfig,&config,sizeof(struct s_config));
// Parse options
while((opt=getopt(argc,argv,"c:C:d:f:g:hi:kl:mp:P:s:t:uv"))!=-1)
{
DEBUG1_ARGPARSE("Argument: %c Value: %s\n",opt,optarg);
switch(opt)
{
case 'c':
strncpy(userconfig.csvlog,optarg,sizeof(userconfig.csvlog));
userconfig.csvoverwrite=0;
break;
case 'C':
strncpy(userconfig.csvlog,optarg,sizeof(userconfig.csvlog));
userconfig.csvoverwrite=1;
break;
case 'd':
if (strcmp("auto",optarg)==0)
{
userconfig.transition_latency=-1;
} else {
userconfig.transition_latency=strtoll(optarg,NULL,10);
}
break;
case 'f':
userconfig.fallback_freq=strtoll(optarg,NULL,10);
break;
case 'g':
strncpy(userconfig.governor,optarg,sizeof(userconfig.governor));
break;
case 'h':
printhelp();
exit(0);
case 'i':
strncpy(userconfig.temp_input,optarg,sizeof(userconfig.temp_input));
break;
case 'k':
userconfig.keepstate=1;
break;
case 'l':
strncpy(userconfig.logger_name,optarg,sizeof(userconfig.logger_name));
break;
case 'm':
userconfig.log_data=1;
break;
case 'p':
userconfig.interval=(unsigned int) strtoll(optarg,NULL,10);
break;
case 'P':
if (strcmp(optarg,"all")==0)
{
userconfig.cpu=-1;
} else {
userconfig.cpu=(int) strtoll(optarg,NULL,10);
}
break;
case 's':
userconfig.freq_step=strtoll(optarg,NULL,10);
break;
case 't':
userconfig.max_temp=strtoll(optarg,NULL,10)*1000;
break;
case 'u':
userconfig.use_unixtime=1;
break;
case 'v':
printversion();
exit(0);
default:
printhelp();
exit(1);
}
}
// Change the logger function pointer
DEBUG1_ARGPARSE("Logger is set to %s\n",userconfig.logger_name);
if (strcmp(userconfig.logger_name,"none")==0) userconfig.logger=&logger_none;
else if (strcmp(userconfig.logger_name,"stdout")==0) userconfig.logger=&logger_stdout;
else if (strcmp(userconfig.logger_name,"syslog")==0) userconfig.logger=&logger_syslog;
else if (strcmp(userconfig.logger_name,"kmsg")==0) userconfig.logger=&logger_kmsg;
else {
config.logger("Invalid value for logger, exiting");
exit(1);
}
DEBUG2_ARGPARSE("Logger pointer is %p\n",userconfig.logger);
// Copy modified config to global config
memcpy(&config,&userconfig,sizeof(struct s_config));
}
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