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| author | Kevin Traynor <ktraynor@redhat.com> | 2021-12-20 14:38:41 +0000 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2022-01-18 12:26:36 +0100 |
| commit | f0adea3fced8cc0cba0930375576d09e079c7ca5 (patch) | |
| tree | 6cf736a9a8e109dbfd1eba43e499d834ad0a2c0e /Documentation/topics | |
| parent | 4da71121dac58e5d28da81251829dd22786aec45 (diff) | |
| download | openvswitch-f0adea3fced8cc0cba0930375576d09e079c7ca5.tar.gz | |
Documentation: Minor spelling and grammar fixes.
Some minor spelling and grammar fixes in pmd.rst.
Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Sunil Pai G <sunil.pai.g@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'Documentation/topics')
| -rw-r--r-- | Documentation/topics/dpdk/pmd.rst | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Documentation/topics/dpdk/pmd.rst b/Documentation/topics/dpdk/pmd.rst index acb1b9a50..e27e4351f 100644 --- a/Documentation/topics/dpdk/pmd.rst +++ b/Documentation/topics/dpdk/pmd.rst @@ -63,8 +63,8 @@ To clear previous stats:: $ ovs-appctl dpif-netdev/pmd-stats-clear -Port/Rx Queue Assigment to PMD Threads --------------------------------------- +Port/Rx Queue Assignment to PMD Threads +--------------------------------------- .. todo:: @@ -113,8 +113,7 @@ or can be triggered by using:: consideration. In addition, the output of ``pmd-rxq-show`` was modified to include - Rx queue utilization of the PMD as a percentage. Prior to this, tracking of - stats was not available. + Rx queue utilization of the PMD as a percentage. Port/Rx Queue assignment to PMD threads by manual pinning ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -133,8 +132,8 @@ For example:: $ ovs-vsctl set interface dpdk-p0 options:n_rxq=4 \ other_config:pmd-rxq-affinity="0:3,1:7,3:8" -This will ensure there are *4* Rx queues and that these queues are configured -like so: +This will ensure there are *4* Rx queues for dpdk-p0 and that these queues are +configured like so: - Queue #0 pinned to core 3 - Queue #1 pinned to core 7 @@ -142,7 +141,7 @@ like so: - Queue #3 pinned to core 8 PMD threads on cores where Rx queues are *pinned* will become *isolated* by -default. This means that this thread will only poll the *pinned* Rx queues. +default. This means that these threads will only poll the *pinned* Rx queues. If using ``pmd-rxq-assign=group`` PMD threads with *pinned* Rxqs can be *non-isolated* by setting:: @@ -212,7 +211,7 @@ The Rx queues will be assigned to the cores in the following order:: Core 8: Q3 (50%) | Q0 (10%) | Q5 (10%) Alternatively, ``roundrobin`` assignment can be used, where the Rxqs are -assigned to PMDs in a round-robined fashion. This algorithm was used by +assigned to PMDs in a round-robin fashion. This algorithm was used by default prior to OVS 2.9. For example, given the following ports and queues: - Port #0 Queue #0 (P0Q0) |