Dnia Mon, Feb 22, 2021 at 12:45:52PM +0100, Etienne-Victor Depasquale napisał(a):
> Every research paper I've read indicates that, regardless of whether it has > packets to process or not, DPDK PMDs (poll-mode drivers) prevent the CPU > from falling into an LPI (low-power idle). > > When it has no packets to process, the PMD runs the processor in a polling > loop that keeps utilization of the running core at 100%. No, it is not PMD that runs the processor in a polling loop. It is the application itself, thay may or may not busy loop, depending on application programmers choice. -- Pawel Malachowski @pawmal80
