I used «powermetrics» bundled with macOS with «bandwidth» as one of the samplers (--samplers / -s set to «cpu_power,gpu_power,thermal,bandwidth»).
Unfortunately, Apple has taken out the «bandwidth» sampler from «powermetrics», and it is no longer possible to measure the memory bandwidth as easily.
Unfortunately, Apple has taken out the «bandwidth» sampler from «powermetrics», and it is no longer possible to measure the memory bandwidth as easily.