cpu_map__get_socket_id 123 tools/perf/util/cpumap.c return cpu_map__get_socket_id(cpu); cpu_map__get_socket_id 17 tools/perf/util/cpumap.h int cpu_map__get_socket_id(int cpu); cpu_map__get_socket_id 251 tools/perf/util/env.c env->cpu[cpu].socket_id = cpu_map__get_socket_id(cpu);