rapl_cpu
struct rapl_cpu *rc;
struct rapl_cpu *rapl_pc;
rapl_pc = malloc(sizeof(struct rapl_cpu), M_PMC, M_WAITOK | M_ZERO);
rapl_pcpu = malloc(sizeof(struct rapl_cpu *) * maxcpu, M_PMC,
static struct rapl_cpu **rapl_pcpu;