L2_SCALE_FACTOR
printf("L2's scale up factor is: %llu\n", L2_SCALE_FACTOR);
#define TSC_MULTIPLIER_L2 (L2_SCALE_FACTOR << 48)
l1_tsc_freq * L2_SCALE_FACTOR);
wrmsr(MSR_AMD64_TSC_RATIO, L2_SCALE_FACTOR << 32);