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#include "cpumap.h" #include "env.h" #include "util.h" struct perf_env perf_env; void perf_env__exit(struct perf_env *env) { 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->numa_nodes); zfree(&env->pmu_mappings); zfree(&env->cpu); } int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]) { int i; /* * If env->cmdline_argv has already been set, do not override it. This allows * a command to set the cmdline, parse args and then call another * builtin function that implements a command -- e.g, cmd_kvm calling * cmd_record. */ if (env->cmdline_argv != NULL) return 0; /* 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 = sysconf(_SC_NPROCESSORS_CONF); 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; }
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