rapl_add_event
rapl_add_event(PMC_EV_RAPL_ENERGY_PKG, pkg_msr, esu,
rapl_add_event(PMC_EV_RAPL_ENERGY_CORES, cores_msr, esu,
rapl_add_event(PMC_EV_RAPL_ENERGY_DRAM, dram_msr, dram_unit,