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authorjdenisco <jdenisco@cisco.com>2019-06-26 18:17:12 +0000
committerPaul Vinciguerra <pvinci@vinciconsulting.com>2019-06-27 15:03:04 +0000
commit08b8ce1d6cd4ad7d285e1febaa9810185906b027 (patch)
tree8da32ef9e3313a097426eb7735cfdc3752cd98cf /docs
parent6a4c9af3476b0dd6d4abb5910626555b23b7f033 (diff)
docs: Update the vhost section
Change-Id: Ic7a144ffda0d0a3e0f6f9bc1a4790ab36fdf002e Signed-off-by: jdenisco <jdenisco@cisco.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/about.rst4
-rw-r--r--docs/usecases/vhost/iperf-vm.xml1
-rw-r--r--docs/usecases/vhost/vhost02.rst12
-rw-r--r--docs/usecases/vhost/xmlexample.rst2
4 files changed, 11 insertions, 8 deletions
diff --git a/docs/about.rst b/docs/about.rst
index 65a66a95610..072151a463e 100644
--- a/docs/about.rst
+++ b/docs/about.rst
@@ -4,6 +4,6 @@
About
=====
-**VPP Version:** 19.08-rc0~307-g883a867
+**VPP Version:** 19.08-rc0~529-g77f0d7f2d
-**Built on:** Wed May 29 06:27:33 GMT 2019
+**Built on:** Thu Jun 27 14:04:13 GMT 2019
diff --git a/docs/usecases/vhost/iperf-vm.xml b/docs/usecases/vhost/iperf-vm.xml
index be354c5f977..981c80a63c8 100644
--- a/docs/usecases/vhost/iperf-vm.xml
+++ b/docs/usecases/vhost/iperf-vm.xml
@@ -74,6 +74,7 @@
<interface type='vhostuser'>
<mac address='52:54:00:4c:47:f2'/>
<source type='unix' path='/tmp//vm00.sock' mode='server'/>
+ <driver rx_queue_size='1024' tx_queue_size='1024'/>
<model type='virtio'/>
<alias name='net1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
diff --git a/docs/usecases/vhost/vhost02.rst b/docs/usecases/vhost/vhost02.rst
index b9d1f5696c9..d316463c15a 100644
--- a/docs/usecases/vhost/vhost02.rst
+++ b/docs/usecases/vhost/vhost02.rst
@@ -16,6 +16,7 @@ This is done with a section that looks like this
<interface type='vhostuser'>
<mac address='52:54:00:4c:47:f2'/>
<source type='unix' path='/tmp//vm00.sock' mode='server'/>
+ <driver rx_queue_size='1024' tx_queue_size='1024'/>
<model type='virtio'/>
<alias name='net1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
@@ -60,9 +61,10 @@ The VM is now created.
Once the virtual machine is created notice the socket filename shows **Success** and
there are **Memory Regions**. At this point the VM and FD.io VPP are connected. Also
-notice **qsz 256**. This system is running an older version of qemu. A queue size of 256
-will affect vhost throughput. The qsz should be 1024. On the web you should be able to
-find ways to install a newer version of qemu or change the queue size.
+notice **qsz 1024**. A queue size of 256 will affect vhost throughput. The qsz should
+be 1024. In QEMU 2.10.0 and libvirt 3.7.0 and later versions this is specified in the
+xml file with the line **<driver rx_queue_size='1024' tx_queue_size='1024'/>** shown above
+and in the example.
.. code-block:: console
@@ -99,11 +101,11 @@ find ways to install a newer version of qemu or change the queue size.
1 32 0x00000000000c0000 0x000000000ff40000 0x00007f1db9cc0000 0x00000000000c0000 0x00007f7d94ec0 000
Virtqueue 0 (TX)
- qsz 256 last_avail_idx 0 last_used_idx 0
+ qsz 1024 last_avail_idx 0 last_used_idx 0
avail.flags 0 avail.idx 256 used.flags 1 used.idx 0
kickfd 33 callfd 34 errfd -1
Virtqueue 1 (RX)
- qsz 256 last_avail_idx 8 last_used_idx 8
+ qsz 1024 last_avail_idx 8 last_used_idx 8
avail.flags 0 avail.idx 8 used.flags 1 used.idx 8
kickfd 29 callfd 35 errfd -1
diff --git a/docs/usecases/vhost/xmlexample.rst b/docs/usecases/vhost/xmlexample.rst
index 34445da0ccb..50bcf452e04 100644
--- a/docs/usecases/vhost/xmlexample.rst
+++ b/docs/usecases/vhost/xmlexample.rst
@@ -7,5 +7,5 @@ An example of a file that could be used with the virsh create command.
.. literalinclude:: iperf-vm.xml
:language: XML
- :emphasize-lines: 42-49, 74-80
+ :emphasize-lines: 5-9, 42-49, 74-81