5 struct perf_env perf_env;
7 void perf_env__exit(struct perf_env *env)
10 zfree(&env->os_release);
13 zfree(&env->cpu_desc);
16 zfree(&env->cmdline_argv);
17 zfree(&env->sibling_cores);
18 zfree(&env->sibling_threads);
19 zfree(&env->numa_nodes);
20 zfree(&env->pmu_mappings);
24 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
29 * If env->cmdline_argv has already been set, do not override it. This allows
30 * a command to set the cmdline, parse args and then call another
31 * builtin function that implements a command -- e.g, cmd_kvm calling
34 if (env->cmdline_argv != NULL)
37 /* do not include NULL termination */
38 env->cmdline_argv = calloc(argc, sizeof(char *));
39 if (env->cmdline_argv == NULL)
43 * Must copy argv contents because it gets moved around during option
46 for (i = 0; i < argc ; i++) {
47 env->cmdline_argv[i] = argv[i];
48 if (env->cmdline_argv[i] == NULL)
52 env->nr_cmdline = argc;
56 zfree(&env->cmdline_argv);
61 int perf_env__read_cpu_topology_map(struct perf_env *env)
68 if (env->nr_cpus_avail == 0)
69 env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
71 nr_cpus = env->nr_cpus_avail;
75 env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
79 for (cpu = 0; cpu < nr_cpus; ++cpu) {
80 env->cpu[cpu].core_id = cpu_map__get_core_id(cpu);
81 env->cpu[cpu].socket_id = cpu_map__get_socket_id(cpu);
84 env->nr_cpus_avail = nr_cpus;