blob: 6276b340f893e9afd7eed80c71cdd5f1987e8f96 (
plain) (
blame)
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
|
// SPDX-License-Identifier: GPL-2.0
#include "cpumap.h"
#include "env.h"
#include "util.h"
#include <errno.h>
struct perf_env perf_env;
void perf_env__exit(struct perf_env *env)
{
int i;
zfree(&env->hostname);
zfree(&env->os_release);
zfree(&env->version);
zfree(&env->arch);
zfree(&env->cpu_desc);
zfree(&env->cpuid);
zfree(&env->cmdline);
zfree(&env->cmdline_argv);
zfree(&env->sibling_cores);
zfree(&env->sibling_threads);
zfree(&env->pmu_mappings);
zfree(&env->cpu);
for (i = 0; i < env->nr_numa_nodes; i++)
cpu_map__put(env->numa_nodes[i].map);
zfree(&env->numa_nodes);
for (i = 0; i < env->caches_cnt; i++)
cpu_cache_level__free(&env->caches[i]);
zfree(&env->caches);
}
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
{
int i;
/* do not include NULL termination */
env->cmdline_argv = calloc(argc, sizeof(char *));
if (env->cmdline_argv == NULL)
goto out_enomem;
/*
* Must copy argv contents because it gets moved around during option
* parsing:
*/
for (i = 0; i < argc ; i++) {
env->cmdline_argv[i] = argv[i];
if (env->cmdline_argv[i] == NULL)
goto out_free;
}
env->nr_cmdline = argc;
return 0;
out_free:
zfree(&env->cmdline_argv);
out_enomem:
return -ENOMEM;
}
int perf_env__read_cpu_topology_map(struct perf_env *env)
{
int cpu, nr_cpus;
if (env->cpu != NULL)
return 0;
if (env->nr_cpus_avail == 0)
env->nr_cpus_avail = cpu__max_present_cpu();
nr_cpus = env->nr_cpus_avail;
if (nr_cpus == -1)
return -EINVAL;
env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
if (env->cpu == NULL)
return -ENOMEM;
for (cpu = 0; cpu < nr_cpus; ++cpu) {
env->cpu[cpu].core_id = cpu_map__get_core_id(cpu);
env->cpu[cpu].socket_id = cpu_map__get_socket_id(cpu);
}
env->nr_cpus_avail = nr_cpus;
return 0;
}
void cpu_cache_level__free(struct cpu_cache_level *cache)
{
free(cache->type);
free(cache->map);
free(cache->size);
}
|
