红帽全球峰会6.3. 解决方案
本节演示了使用 ovs-appctl 命令查看流量流的步骤。
6.3.1. idle PMD
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以下示例显示了一个系统，其中 core_ids 为 dpdk0 固定为 dpdk0，它只会管理通过 dpdk0 的流量流：
[root@overcloud-compute-0 ~]# ovs-appctl dpif-netdev/pmd-stats-clear && sleep 10 && ovs-appctl dpif-netdev/pmd-stats-show |
egrep 'core_id (2|22):' -A9
pmd thread numa_id 0 core_id 22:
emc hits:0
megaflow hits:0
avg. subtable lookups per hit:0.00
miss:0
lost:0
polling cycles:12613298746 (100.00%)
processing cycles:0 (0.00%)
--
pmd thread numa_id 0 core_id 2:
emc hits:5
megaflow hits:0
avg. subtable lookups per hit:0.00
miss:0
lost:0
polling cycles:12480023709 (100.00%)
processing cycles:14354 (0.00%)
avg cycles per packet: 2496007612.60 (12480038063/5)
avg processing cycles per packet: 2870.80 (14354/5)
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