Repost: Monitoring and Tuning the Linux Networking Stack - Packagecloud Blog
1. https://blog.packagecloud.io/eng/2016/06/22/monitoring-tuning-linux-networking-stack-receiving-data/
3. https://blog.packagecloud.io/eng/2017/02/06/monitoring-tuning-linux-networking-stack-sending-data/
Below are 4 illustrations in the second blog
1. https://blog.packagecloud.io/images/softirq.jpg
2. https://blog.packagecloud.io/images/nic_dma.jpg
3. https://blog.packagecloud.io/images/net_rx_action.jpg
4. https://blog.packagecloud.io/images/netif_receive_skb.jpg
1. softirq.jpg
2. nic_dma.jpg
3. net_rx_action.jpg
4. netif_receive_skb.jpg