Re: [ovs-dev] [PATCH v10 3/3] dpif-netdev: Detection and logging of suspicious PMD iterations

Acked-by: Billy O'Mahony > -Original Message- > From: Jan Scheurich [mailto:jan.scheur...@ericsson.com] > Sent: Sunday, March 18, 2018 5:55 PM > To: d...@openvswitch.org > Cc: ktray...@redhat.com; Stokes, Ian ; > i.maxim...@samsung.com; O

Re: [ovs-dev] [PATCH v10 2/3] dpif-netdev: Detailed performance stats for PMDs

Acked-by: Billy O'Mahony > -Original Message- > From: Jan Scheurich [mailto:jan.scheur...@ericsson.com] > Sent: Sunday, March 18, 2018 5:55 PM > To: d...@openvswitch.org > Cc: ktray...@redhat.com; Stokes, Ian ; > i.maxim...@samsung.com; O

Re: [ovs-dev] [PATCH v10 1/3] netdev: Add optional qfill output parameter to rxq_recv()

Acked-by: Billy O'Mahony > -Original Message- > From: Jan Scheurich [mailto:jan.scheur...@ericsson.com] > Sent: Sunday, March 18, 2018 5:55 PM > To: d...@openvswitch.org > Cc: ktray...@redhat.com; Stokes, Ian ; > i.maxim...@samsung.com; O

[ovs-dev] [PATCH v10 2/3] dpif-netdev: Detailed performance stats for PMDs

This patch instruments the dpif-netdev datapath to record detailed statistics of what is happening in every iteration of a PMD thread. The collection of detailed statistics can be controlled by a new Open_vSwitch configuration parameter "other_config:pmd-perf-metrics". By default it is disabled.

[ovs-dev] [PATCH v10 3/3] dpif-netdev: Detection and logging of suspicious PMD iterations

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

[ovs-dev] [PATCH v10 1/3] netdev: Add optional qfill output parameter to rxq_recv()

If the caller provides a non-NULL qfill pointer and the netdev implemementation supports reading the rx queue fill level, the rxq_recv() function returns the remaining number of packets in the rx queue after reception of the packet burst to the caller. If the implementation does not support this,

[ovs-dev] [PATCH v10 0/3] dpif-netdev: Detailed PMD performance metrics and supervision

The run-time performance of PMDs is often difficult to understand and trouble-shoot. The existing PMD statistics counters only provide a coarse grained average picture. At packet rates of several Mpps sporadic drops of packet bursts happen at sub-millisecond time scales and are impossible to

Re: [ovs-dev] [PATCH v9 2/3] dpif-netdev: Detailed performance stats for PMDs

> Checkpatch reports the following: > > WARNING: Line lacks whitespace around operator > #560 FILE: lib/dpif-netdev-perf.h:113: > uint64_t cycles;/* Number of TSC cycles spent in it/ms. */ > > WARNING: Line lacks whitespace around operator > #563 FILE: lib/dpif-netdev-perf.h:116:

Re: [ovs-dev] Test result. RE: [patch v1] conntrack-tcp: Handle tcp session reuse.

Hi Darrell, Sorry for delay. During the last week, I have tried sveral live migration script, and found that 1. sctipt1: Tcp stream will stop only 2 seconds, then the stream is ok. ( 8Gbps… 0Gbps .<- 0Gbps for 2 seconds ->….0Gbps … 8Gbps) #Migrate VM to the destination #Then flush all