To fill in the details, here is the code used for the measurement: https://github.com/lemire/counters/blob/main/include/counters/event_counter.h#L124-L130 http

To fill in the details, here is the code used for the measurement: https://github.com/lemire/counters/blob/main/include/counters/event_counter.h#L124-L130 https://github.com/lemire/counters/blob/main/include/counter... It fetches the number of mispredicted instructions from Linux's perf subsystem, which in turn gathers the metrics from CPU's PMU (Performance Monitoring Unit) interface.