dpif-netdev: Add dpif-netdev/pmd-stats-* appctl commands.

[cascardo/ovs.git] / INSTALL.DPDK.md

diff --git a/INSTALL.DPDK.md b/INSTALL.DPDK.md
index 60889d0..c2486ee 100644 (file)
--- a/INSTALL.DPDK.md
+++ b/INSTALL.DPDK.md
@@ -250,6 +250,14 @@ Using the DPDK with ovs-vswitchd:
    Note, core 0 is always reserved from non-pmd threads and should never be set
    in the cpu mask.
 
+   To understand where most of the time is spent and whether the caches are
+   effective, these commands can be used:
+
+   ```
+   ovs-appctl dpif-netdev/pmd-stats-clear #To reset statistics
+   ovs-appctl dpif-netdev/pmd-stats-show
+   ```
+
 DPDK Rings :
 ------------