Add description of new '-secs' parameter in docs. Also, add to NEWS as it is a user facing change.
Signed-off-by: Kevin Traynor <[email protected]> --- Documentation/topics/dpdk/pmd.rst | 23 ++++++++++++++++++----- NEWS | 3 +++ 2 files changed, 21 insertions(+), 5 deletions(-) diff --git a/Documentation/topics/dpdk/pmd.rst b/Documentation/topics/dpdk/pmd.rst index b259cc8b3..88457f366 100644 --- a/Documentation/topics/dpdk/pmd.rst +++ b/Documentation/topics/dpdk/pmd.rst @@ -102,10 +102,18 @@ core cycles for each Rx queue:: .. note:: - A history of one minute is recorded and shown for each Rx queue to allow for - traffic pattern spikes. Any changes in the Rx queue's PMD core cycles usage, - due to traffic pattern or reconfig changes, will take one minute to be fully - reflected in the stats. + By default a history of one minute is recorded and shown for each Rx queue + to allow for traffic pattern spikes. Any changes in the Rx queue's PMD core + cycles usage, due to traffic pattern or reconfig changes, will take one + minute to be fully reflected in the stats by default. - .. versionchanged:: 2.6.0 +PMD thread usage of an Rx queue can be displayed for a shorter period of time, +from the last 5 seconds up to the default 60 seconds in 5 second steps. + +To see the port/Rx queue assignment and the last 5 secs of measured usage +history of PMD core cycles for each Rx queue:: + + $ ovs-appctl dpif-netdev/pmd-rxq-show -secs 5 + +.. versionchanged:: 2.6.0 The ``pmd-rxq-show`` command was added in OVS 2.6.0. @@ -116,4 +124,9 @@ core cycles for each Rx queue:: cycles inherently consumed by the OVS PMD processing loop. +.. versionchanged:: 3.1.0 + + The ``-secs`` parameter was added to the dpif-netdev/pmd-rxq-show + command. + Rx queue to PMD assignment takes place whenever there are configuration changes or can be triggered by using:: diff --git a/NEWS b/NEWS index ff77ee404..ab6834e24 100644 --- a/NEWS +++ b/NEWS @@ -24,4 +24,7 @@ Post-v3.0.0 If a user wishes to benefit from these fixes it is recommended to use DPDK 21.11.2. + - Userspace datapath: + * Add '-secs' argument to appctl 'dpif-netdev/pmd-rxq-show' to show + the pmd usage of an Rx queue over a configurable time period. -- 2.37.3 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
