1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "cputemp2maxfreq.h"
#include "debug.h"
#include "logger.h"
extern struct s_config config;
void printhelp()
{
printf(
"Usage: %s <options>\n"
"\n"
"Scaling options:\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 <file> Input for temperature readout, usually somewhere in sysfs\n"
" Default: %s\n"
"-p <time> Poll interval in seconds\n"
" Default: %d\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",
config.name,config.fallback_freq,config.governor,config.temp_input,config.interval,
config.freq_step,config.max_temp/1000,config.logger_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:f:g:hi:l:mp:s:t:u"))!=-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 'f':
userconfig.fallback_freq=strtoll(optarg,NULL,10);
break;
case 'g':
strncpy(userconfig.governor,optarg,sizeof(userconfig.governor));
break;
case 'h':
printhelp();
exit(1);
case 'i':
strncpy(userconfig.temp_input,optarg,sizeof(userconfig.temp_input));
break;
case 'l':
strncpy(userconfig.logger_name,optarg,sizeof(userconfig.logger_name));
break;
case 'm':
userconfig.log_data=1;
break;
case 'p':
userconfig.interval=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;
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));
}
|
