Hi, @Ben : Thanks for the response.
@Ilya, @Ian : Can you please review the patch and provide comments if any. Thanks, Sriram. -----Original Message----- From: Ben Pfaff <[email protected]> Sent: 22 July 2019 21:37 To: Sriram Vatala <[email protected]> Cc: [email protected] Subject: Re: [PATCH v5] Detailed packet drop statistics per dpdk and vhostuser ports On Mon, Jul 22, 2019 at 03:31:53PM +0530, Sriram Vatala wrote: > OVS may be unable to transmit packets for multiple reasons and today > there is a single counter to track packets dropped due to any of those > reasons. The most common reason is that a VM is unable to read packets > fast enough causing the vhostuser port transmit queue on the OVS side > to become full. This manifests as a problem with VNFs not receiving > all packets. Having a separate drop counter to track packets dropped > because the transmit queue is full will clearly indicate that the > problem is on the VM side and not in OVS. Similarly maintaining > separate counters for all possible drops helps in indicating sensible > cause for packet drops. > > This patch adds counters for custom stats to track packets dropped at > port level and these stats are displayed along with other stats in > "ovs-vsctl get interface <iface> statistics" > command. The detailed stats will be available for both dpdk and > vhostuser ports. > > Signed-off-by: Sriram Vatala <[email protected]> Thanks for the revision! I'm happy with the bits that are important to me. I'll leave the final review to Ian or Ilya.
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