Re: [ovs-dev] [PATCH v12 3/3] dpif-netdev: Detection and logging of suspicious PMD iterations

2018-04-20 Thread O Mahony, Billy
Acked-by: Billy O'Mahony > -Original Message- > From: Jan Scheurich [mailto:jan.scheur...@ericsson.com] > Sent: Thursday, April 19, 2018 6:41 PM > To: d...@openvswitch.org > Cc: ktray...@redhat.com; Stokes, Ian ; > i.maxim...@samsung.com; O Mahony, Billy ; Jan > Scheurich > Subject: [PAT

[ovs-dev] [PATCH v12 3/3] dpif-netdev: Detection and logging of suspicious PMD iterations

2018-04-20 Thread Jan Scheurich
This patch enhances dpif-netdev-perf to detect iterations with suspicious statistics according to the following criteria: - iteration lasts longer than US_THR microseconds (default 250). This can be used to capture events where a PMD is blocked or interrupted for such a period of time that the