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| author | Kevin Traynor <ktraynor@redhat.com> | 2021-12-20 14:38:42 +0000 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2022-01-18 12:26:36 +0100 |
| commit | 5cc05243510254db5d5a0b184d04f5e72404fe44 (patch) | |
| tree | 7cec4de159866327cd6c144f2cdd645e3f5b1743 /Documentation/topics | |
| parent | f0adea3fced8cc0cba0930375576d09e079c7ca5 (diff) | |
| download | openvswitch-5cc05243510254db5d5a0b184d04f5e72404fe44.tar.gz | |
Documentation: Update PMD thread statistics.
'pmd-perf-show' gives some extra information and has nicer
formatting than 'pmd-stats-show'.
Let the user know they can use that as well to get PMD stats.
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 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/topics/dpdk/pmd.rst b/Documentation/topics/dpdk/pmd.rst index e27e4351f..7f4825cb1 100644 --- a/Documentation/topics/dpdk/pmd.rst +++ b/Documentation/topics/dpdk/pmd.rst @@ -59,10 +59,25 @@ To show current stats:: $ ovs-appctl dpif-netdev/pmd-stats-show +or:: + + $ ovs-appctl dpif-netdev/pmd-perf-show + +Detailed performance metrics for ``pmd-perf-show`` can also be enabled:: + + $ ovs-vsctl set Open_vSwitch . other_config:pmd-perf-metrics=true + +See the `ovs-vswitchd(8)`_ manpage for more information. + To clear previous stats:: $ ovs-appctl dpif-netdev/pmd-stats-clear +.. note:: + + PMD stats are cumulative so they should be cleared in order to see how the + PMDs are being used with current traffic. + Port/Rx Queue Assignment to PMD Threads --------------------------------------- @@ -303,3 +318,6 @@ or a week. due to changes required in dpctl flows and EMC for newly added flows. In such scenarios user should configure rebalance interval accordingly to avoid frequent rebalancing happening. + +.. _ovs-vswitchd(8): + http://openvswitch.org/support/dist-docs/ovs-vswitchd.8.html |