SHORT Bandwidth on the Hypertransport links EVENTSET PMC0 CPU_TO_DRAM_LOCAL_TO_4 PMC1 CPU_TO_DRAM_LOCAL_TO_5 PMC2 CPU_TO_DRAM_LOCAL_TO_6 PMC3 CPU_TO_DRAM_LOCAL_TO_7 METRICS Runtime (RDTSC) [s] time Hyper Transport link4 bandwidth [MBytes/s] 1.0E-06*PMC0*4.0/time Hyper Transport link5 bandwidth [MBytes/s] 1.0E-06*PMC1*4.0/time Hyper Transport link6 bandwidth [MBytes/s] 1.0E-06*PMC2*4.0/time Hyper Transport link7 bandwidth [MBytes/s] 1.0E-06*PMC3*4.0/time LONG Formulas: Hyper Transport link4 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_0*4.0/time Hyper Transport link5 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_1*4.0/time Hyper Transport link6 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_2*4.0/time Hyper Transport link7 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_3*4.0/time - Profiling group to measure the bandwidth over the Hypertransport links. Can be used to detect NUMA problems. Usually there should be only limited traffic over the QPI links for optimal performance.