During a recent look at likwid-perfctr the performance counters didn’t look right in several aspects: CPU core to CPU core differences in what should be a symmetric benchmark and where wspy results showed processes balanced run to run differences with … Continue reading →
Created a simple monitoring tool named wspy for workload spy. Source is hosted at http://www.github.com/mvermeulen/wspy This is a wrapper program that collects data as the program runs. The initial program has two data collectors: trace – which uses the ftrace … Continue reading →
The likwid performance monitoring and benchmarking suite has multiple tools including: likwid-topology – print thread, cache and NUMA topology likwid-pin – pin threaded applications to processors likwid-bench – micro-benchmarking application likwid-agent – monitoring agent for hardware performance counters As of … Continue reading →