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
|
/* Re-written from scratch 3 March 2001 */
/* Handles intel chips on Linux architecture */
/* by Vince Weaver <vince@deater.net> */
/* update for IA-64 architecture */
/* by Ludo <lfrancois@mandrakesoft.com> */
#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* atof */
#include "../sysinfo.h"
#include "../include/generic.h"
int get_cpu_info(struct cpu_info_type *cpu_info) {
FILE *fff;
char temp_string[BUFSIZ];
char vendor_string[BUFSIZ], model_string[BUFSIZ], plain_model[BUFSIZ];
char family_string[BUFSIZ];
int rev_int = 0;
int cpu_count = 0;
float megahertz = 0.0, bogomips = 0.0;
vendor_string[0] = model_string[0] = plain_model[0] = family_string[0] = 0;
/* We get all of our info here from /proc/cpuinfo */
if ((fff = fopen(get_cpuinfo_file(), "r")) != NULL) {
while ((fgets(temp_string, BUFSIZ, fff) != NULL)) {
/* Assume all CPUs in SMP system are the same */
if (cpu_count == 0) {
if (!(strncmp(temp_string, "vendor", 6)))
strncpy(vendor_string, parse_line(temp_string), BUFSIZ);
if (!strncmp(temp_string, "family", strlen("family")))
strncpy(family_string, parse_line(temp_string), BUFSIZ);
/*
** note for later check the model line
** now this line is useless
*/
if (!(strncmp(temp_string, "model", strlen("model"))))
strncpy(model_string, parse_line(temp_string), BUFSIZ);
if (!(strncmp(temp_string, "revision", strlen("revision"))))
rev_int = atoi(parse_line(temp_string));
if (!(strncmp(temp_string, "cpu MHz", 6)))
megahertz = atof(parse_line(temp_string));
}
/* Ugh why must people play with capitalization */
if ( !(strncmp(temp_string, "bogomips", 8)) ||
!(strncmp(temp_string, "BogoMips", 8)) ||
!(strncmp(temp_string, "BogoMIPS", 8)))
{
bogomips += atof(parse_line(temp_string));
cpu_count++; /* Cheating way to detect number of intel CPUs */
}
}
}
/* Re-arrange some of the strings for best results */
if (family_string[0] == 0)
strncpy(cpu_info->chip_type, "Unknown", 9);
else
strncpy(cpu_info->chip_type, family_string, SYSINFO_CHIP_TYPE_SIZE);
strncpy(cpu_info->chip_vendor, "Unknown", 9);
cpu_info->num_cpus = cpu_count;
cpu_info->bogomips = bogomips;
/*********************************************************/
/* Vendor specific fixups */
/*********************************************************/
/* *************** */
/* Intel Chips */
/* *************** */
if (!strncmp(vendor_string,"GenuineIntel",12)) {
strncpy(cpu_info->chip_vendor,"Intel",6);
if (rev_int >= 1 && rev_int <= 4)
snprintf(cpu_info->chip_type,SYSINFO_CHIP_TYPE_SIZE,
"%s [B%i]",
clip_lf(family_string, BUFSIZ), rev_int - 1);
else if (rev_int == 5)
snprintf(cpu_info->chip_type,SYSINFO_CHIP_TYPE_SIZE,
"%s [C0]",
clip_lf(family_string, BUFSIZ));
else
snprintf(cpu_info->chip_type,SYSINFO_CHIP_TYPE_SIZE,
"%s",
clip_lf(family_string, BUFSIZ));
}
cpu_info->megahertz = 0.0;
/* Handle Pretty_printing */
if (get_pretty_printing()) {
/* Fix MHz */
/* should we still do this? */
if (megahertz > 0.0)
cpu_info->megahertz = fix_megahertz(25, megahertz);
}
else {
/* restore RAW vendor string. Do we want this? */
strncpy(cpu_info->chip_type, model_string, SYSINFO_CHIP_TYPE_SIZE);
cpu_info->megahertz = megahertz;
}
return 0;
}
/* Not implemented on ix86 nor on ia64 */
int get_hardware_info(char *hardware_string) {
return 0;
}
/* Some architectures might have better ways of detecting RAM size */
long long get_arch_specific_mem_size(void) {
/* We have no special way of detecting RAM */
return 0;
}
|
