On Wed, 14 Sep 2022 10:29:25 +0100 Kevin Laatz <kevin.la...@intel.com> wrote:
> Currently, there is no way to measure lcore polling busyness in a passive > way, without any modifications to the application. This patchset adds a new > EAL API that will be able to passively track core polling busyness. As part > of the set, new telemetry endpoints are added to read the generate metrics. How much does measuring busyness impact performance?? In the past, calling rte_rdsc() would slow down packet rate because it is stops CPU pipeline. Maybe better on more modern processors, haven't measured it lately.
