Achieving Top Network Performance - Red Hat Summit

Tuning – debug simple netperf TCP_STREAM test● Found the bottleneck !● CPU bound on RX side04:39:33 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle04:39:36 PM all 0.02 0.00 2.88 0.00 0.00 3.38 0.00 0.00 93.7304:39:36 PM 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 14 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.0004:39:36 PM 15 0.33 0.00 45.67 0.00 0.00 54.00 0.00 0.00 0.00