doc: fix typo in PVP howto

This patch adds missing backslash in host's testpmd command
line.

Without it the command works, but a single core is used
instead of four, which might create confusion.

Fixes: 58a2551a160f ("doc: introduce PVP reference benchmark")

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/doc/guides/howto/pvp_reference_benchmark.rst b/doc/guides/howto/pvp_reference_benchmark.rst
index 6d514ff..208e4c7 100644 (file)
--- a/doc/guides/howto/pvp_reference_benchmark.rst
+++ b/doc/guides/howto/pvp_reference_benchmark.rst
@@ -158,7 +158,7 @@ Testpmd launch
       $RTE_SDK/install/bin/testpmd -l 0,2,3,4,5 --socket-mem=1024 -n 4 \
           --vdev 'net_vhost0,iface=/tmp/vhost-user1' \
           --vdev 'net_vhost1,iface=/tmp/vhost-user2' -- \
-          --portmask=f --disable-hw-vlan -i --rxq=1 --txq=1
+          --portmask=f --disable-hw-vlan -i --rxq=1 --txq=1 \
           --nb-cores=4 --forward-mode=io
 
    With this command, isolated CPUs 2 to 5 will be used as lcores for PMD threads.