SHORT Bandwidth on the Hypertransport links EVENTSET PMC0 CPU_TO_DRAM_LOCAL_TO_0 PMC1 CPU_TO_DRAM_LOCAL_TO_1 PMC2 CPU_TO_DRAM_LOCAL_TO_2 PMC3 CPU_TO_DRAM_LOCAL_TO_3 METRICS Runtime (RDTSC) [s] time Hyper Transport link0 bandwidth [MBytes/s] 1.0E-06*PMC0*4.0/time Hyper Transport link1 bandwidth [MBytes/s] 1.0E-06*PMC1*4.0/time Hyper Transport link2 bandwidth [MBytes/s] 1.0E-06*PMC2*4.0/time Hyper Transport link3 bandwidth [MBytes/s] 1.0E-06*PMC3*4.0/time LONG Formulas: Hyper Transport link0 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_0*4.0/time Hyper Transport link1 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_1*4.0/time Hyper Transport link2 bandwidth [MBytes/s] = 1.0E-06*CPU_TO_DRAM_LOCAL_TO_2*4.0/time Hyper Transport link3 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.