1#include "cpumap.h"
 2#include "env.h"
 3#include "util.h"
 4
 5struct perf_env perf_env;
 6
 7void perf_env__exit(struct perf_env *env)
 8{
 9	int i;
10
11	zfree(&env->hostname);
12	zfree(&env->os_release);
13	zfree(&env->version);
14	zfree(&env->arch);
15	zfree(&env->cpu_desc);
16	zfree(&env->cpuid);
17	zfree(&env->cmdline);
18	zfree(&env->cmdline_argv);
19	zfree(&env->sibling_cores);
20	zfree(&env->sibling_threads);
21	zfree(&env->numa_nodes);
22	zfree(&env->pmu_mappings);
23	zfree(&env->cpu);
24
25	for (i = 0; i < env->caches_cnt; i++)
26		cpu_cache_level__free(&env->caches[i]);
27	zfree(&env->caches);
28}
29
30int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
31{
32	int i;
33
34	/* do not include NULL termination */
35	env->cmdline_argv = calloc(argc, sizeof(char *));
36	if (env->cmdline_argv == NULL)
37		goto out_enomem;
38
39	/*
40	 * Must copy argv contents because it gets moved around during option
41	 * parsing:
42	 */
43	for (i = 0; i < argc ; i++) {
44		env->cmdline_argv[i] = argv[i];
45		if (env->cmdline_argv[i] == NULL)
46			goto out_free;
47	}
48
49	env->nr_cmdline = argc;
50
51	return 0;
52out_free:
53	zfree(&env->cmdline_argv);
54out_enomem:
55	return -ENOMEM;
56}
57
58int perf_env__read_cpu_topology_map(struct perf_env *env)
59{
60	int cpu, nr_cpus;
61
62	if (env->cpu != NULL)
63		return 0;
64
65	if (env->nr_cpus_avail == 0)
66		env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
67
68	nr_cpus = env->nr_cpus_avail;
69	if (nr_cpus == -1)
70		return -EINVAL;
71
72	env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
73	if (env->cpu == NULL)
74		return -ENOMEM;
75
76	for (cpu = 0; cpu < nr_cpus; ++cpu) {
77		env->cpu[cpu].core_id	= cpu_map__get_core_id(cpu);
78		env->cpu[cpu].socket_id	= cpu_map__get_socket_id(cpu);
79	}
80
81	env->nr_cpus_avail = nr_cpus;
82	return 0;
83}
84
85void cpu_cache_level__free(struct cpu_cache_level *cache)
86{
87	free(cache->type);
88	free(cache->map);
89	free(cache->size);
90}