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
|
#include "lscpu-api.h"
struct lscpu_cpu *lscpu_new_cpu(void)
{
struct lscpu_cpu *cpu;
cpu = xcalloc(1, sizeof(struct lscpu_cpu));
cpu->refcount = 1;
cpu->logical_id = -1;
DBG(CPU, ul_debugobj(cpu, "alloc"));
return cpu;
}
void lscpu_ref_cpu(struct lscpu_cpu *cpu)
{
if (cpu)
cpu->refcount++;
}
void lscpu_unref_cpu(struct lscpu_cpu *cpu)
{
if (!cpu)
return;
if (--cpu->refcount <= 0) {
DBG(CPU, ul_debugobj(cpu, " freeing"));
lscpu_unref_cputype(cpu->type);
free(cpu->dynamic_mhz);
free(cpu->static_mhz);
free(cpu->mhz);
free(cpu);
}
}
int lscpu_add_cpu(struct lscpu_cxt *cxt,
struct lscpu_cpu *cpu,
struct lscpu_cputype *ct)
{
struct lscpu_cputype *type;
/* make sure the type exists */
if (ct)
type = lscpu_add_cputype(cxt, ct);
else
type = lscpu_cputype_get_default(cxt);
cxt->cpus = xrealloc(cxt->cpus, (cxt->ncpus + 1)
* sizeof(struct lscpu_cpu *));
cxt->cpus[cxt->ncpus] = cpu;
cxt->ncpus++;
lscpu_ref_cpu(cpu);
if (type) {
cpu->type = type;
lscpu_ref_cputype(type);
type->ncpus++;
}
return 0;
}
int lscpu_cpus_apply_type(struct lscpu_cxt *cxt, struct lscpu_cputype *type)
{
size_t i;
for (i = 0; i < cxt->ncpus; i++) {
struct lscpu_cpu *cpu = cxt->cpus[i];
if (!cpu->type) {
cpu->type = type;
lscpu_ref_cputype(type);
type->ncpus++;
}
}
return 0;
}
int lscpu_read_topolgy_ids(struct lscpu_cxt *cxt)
{
struct path_cxt *sys = cxt->syscpu;
size_t i;
for (i = 0; i < cxt->ncpus; i++) {
struct lscpu_cpu *cpu = cxt->cpus[i];
int num = cpu->logical_id;
if (ul_path_readf_s32(sys, &cpu->coreid, "cpu%d/topology/core_id", num) != 0)
cpu->coreid = -1;
if (ul_path_readf_s32(sys, &cpu->socketid, "cpu%d/topology/physical_package_id", num) != 0)
cpu->socketid = -1;
if (ul_path_readf_s32(sys, &cpu->bookid, "cpu%d/topology/book_id", num) != 0)
cpu->bookid = -1;
if (ul_path_readf_s32(sys, &cpu->drawerid, "cpu%d/topology/drawer_id", num) != 0)
cpu->drawerid = -1;
}
return 0;
}
|
