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-==============================
-VSPERF Guides and Installation
-==============================
-
-.. toctree::
- :numbered:
- :maxdepth: 4
-
- quickstart.rst
- installation.rst
-
-Revision: _sha1_
-
-Build date: |today|
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-Installing vswitchperf
-======================
-
-The test suite requires Python 3.3 and relies on a number of other
-packages. These need to be installed for the test suite to function. To
-install Python 3.3 in CentOS 7, an additional repository, Software
-Collections (see
-https://www.softwarecollections.org/en/scls/rhscl/python33) should be
-enabled.
-
-Installation of required packages and preparation of Python 3 virtual
-environment is performed by systems/build_base_machine.sh. It should be
-executed under user account, which will be used for vsperf execution.
-Please Note: Password-less sudo access must be configured for given
-user account before script is executed.
-
-Execution of installation script:
-
-.. code:: bash
-
- cd systems
- ./build_base_machine.sh
-
-Please note: you don't need to go into any of the systems subdirectories,
-simply run the top level build_base_machine.sh, your OS will be detected
-automatically.
-
-You will need to activate the virtual environment every time you start a
-new shell session. To activate, simple run:
-
-.. code:: bash
-
- scl enable python33 bash
- cd $HOME/vsperfenv
- source bin/activate
-
---------------
-
-Working Behind a Proxy
-======================
-
-If you're behind a proxy, you'll likely want to configure this before
-running any of the above. For example:
-
- .. code:: bash
-
- export http_proxy=proxy.mycompany.com:123
- export https_proxy=proxy.mycompany.com:123
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-Getting Started with 'vsperf'
-=============================
-
-Hardware Requirements
----------------------
-
-VSPERF requires one of the following traffic generators to run tests:
-
-- IXIA traffic generator (IxNetwork hardware) and a machine that runs the IXIA client software
-- Spirent traffic generator (TestCenter hardware chassis or TestCenter virtual in a VM) and a
-VM to run the Spirent Virtual Deployment Service image, formerly known as "Spirent LabServer".
-
-Both test configurations, above, also require a CentOS Linux release 7.1.1503 (Core) host.
-
-vSwitch Requirements
---------------------
-
-The vSwitch must support Open Flow 1.3 or greater.
-
-Installation
-------------
-
-Follow the `installation instructions <installation.html>`__ to install.
-
-IXIA Setup
-----------
-
-On the CentOS 7 system
-~~~~~~~~~~~~~~~~~~~~~~
-
-You need to install IxNetworkTclClient$(VER\_NUM)Linux.bin.tgz.
-
-On the IXIA client software system
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Find the IxNetwork TCL server app (start -> All Programs -> IXIA ->
-IxNetwork -> IxNetwork\_$(VER\_NUM) -> IxNetwork TCL Server)
-
-Right click on IxNetwork TCL Server, select properties - Under shortcut tab in
-the Target dialogue box make sure there is the argument "-tclport xxxx"
-where xxxx is your port number (take note of this port number you will
-need it for the 10\_custom.conf file).
-
-|Alt text|
-
-Hit Ok and start the TCL server application
-
-Spirent Setup
--------------
-
-Spirent installation files and instructions are available on the
-Spirent support website at:
-
-http://support.spirent.com
-
-Select a version of Spirent TestCenter software to utilize. This example
-will use Spirent TestCenter v4.57 as an example. Substitute the appropriate
-version in place of 'v4.57' in the examples, below.
-
-On the CentOS 7 System
-~~~~~~~~~~~~~~~~~~~~~~
-
-Download and install the following:
-
-Spirent TestCenter Application, v4.57 for 64-bit Linux Client
-
-Spirent Virtual Deployment Service (VDS)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Spirent VDS is required for both TestCenter hardware and virtual
-chassis in the vsperf environment. For installation, select the version
-that matches the Spirent TestCenter Application version. For v4.57,
-the matching VDS version is 1.0.55. Download either the ova (VMware)
-or qcow2 (QEMU) image and create a VM with it. Initialize the VM
-according to Spirent installation instructions.
-
-Using Spirent TestCenter Virtual (STCv)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-STCv is available in both ova (VMware) and qcow2 (QEMU) formats. For
-VMware, download:
-
-Spirent TestCenter Virtual Machine for VMware, v4.57 for Hypervisor - VMware ESX.ESXi
-
-Virtual test port performance is affected by the hypervisor configuration. For
-best practice results in deploying STCv, the following is suggested:
-
-- Create a single VM with two test ports rather than two VMs with one port each
-- Set STCv in DPDK mode
-- Give STCv 2*n + 1 cores, where n = the number of ports. For vsperf, cores = 5.
-- Turning off hyperthreading and pinning these cores will improve performance
-- Give STCv 2 GB of RAM
-
-To get the highest performance and accuracy, Spirent TestCenter hardware is
-recommended. vsperf can run with either stype test ports.
-
-Cloning and building src dependencies
--------------------------------------
-
-In order to run VSPERF, you will need to download DPDK and OVS. You can
-do this manually and build them in a preferred location, or you could
-use vswitchperf/src. The vswitchperf/src directory contains makefiles
-that will allow you to clone and build the libraries that VSPERF depends
-on, such as DPDK and OVS. To clone and build simply:
-
- .. code-block:: console
-
- cd src
- make
-
-VSPERF can be used with OVS without DPDK support. In this case you have
-to specify path to the kernel sources by WITH\_LINUX parameter:
-
- .. code-block:: console
-
- cd src
- make WITH_LINUX=/lib/modules/`uname -r`/build
-
-To build DPDK and OVS for PVP and PVVP testing with vhost_user as the guest
-access method, use:
-
- .. code-block:: console
-
- make VHOST_USER=y
-
-To build everything: Vanilla OVS, OVS with vhost_user as the guest access
-method and OVS with vhost_cuse access simply:
- .. code-block:: console
-
- make
-
-The vhost_user build will reside in src/ovs/
-The vhost_cuse build will reside in vswitchperf/src_cuse
-The Vanilla OVS build will reside in vswitchperf/src_vanilla
-
-To delete a src subdirectory and its contents to allow you to re-clone simply
-use:
-
- .. code-block:: console
-
- make clobber
-
-Configure the ``./conf/10_custom.conf`` file
---------------------------------------------
-The ``10_custom.conf`` file is the configuration file that overrides
-default configurations in all the other configuration files in ``./conf``
-The supplied ``10_custom.conf`` file must be modified, as it contains
-configuration items for which there are no reasonable default values.
-
-The configuration items that can be added is not limited to the initial
-contents. Any configuration item mentioned in any .conf file in
-``./conf`` directory can be added and that item will be overridden by
-the custom configuration value.
-
-Using a custom settings file
-----------------------------
-
-If your ``10_custom.conf`` doesn't reside in the ``./conf`` directory
-of if you want to use an alternative configuration file, the file can
-be passed to ``vsperf`` via the ``--conf-file`` argument.
-
- .. code-block:: console
-
- ./vsperf --conf-file <path_to_settings_py> ...
-
-Note that configuration passed in via the environment (``--load-env``)
-or via another command line argument will override both the default and
-your custom configuration files. This "priority hierarchy" can be
-described like so (1 = max priority):
-
-1. Command line arguments
-2. Environment variables
-3. Configuration file(s)
-
---------------
-
-Executing tests
----------------
-
-Before running any tests make sure you have root permissions by adding
-the following line to /etc/sudoers:
-
- .. code-block:: console
-
- username ALL=(ALL) NOPASSWD: ALL
-
-username in the example above should be replaced with a real username.
-
-To list the available tests:
-
- .. code-block:: console
-
- ./vsperf --list
-
-To run a single test:
-
- .. code-block:: console
-
- ./vsperf $TESTNAME
-
-Where $TESTNAME is the name of the vsperf test you would like to run.
-
-To run a group of tests, for example all tests with a name containing
-'RFC2544':
-
- .. code-block:: console
-
- ./vsperf --conf-file=user_settings.py --tests="RFC2544"
-
-To run all tests:
-
- .. code-block:: console
-
- ./vsperf --conf-file=user_settings.py
-
-Some tests allow for configurable parameters, including test duration
-(in seconds) as well as packet sizes (in bytes).
-
-.. code:: bash
-
- ./vsperf --conf-file user_settings.py
- --tests RFC2544Tput
- --test-param "duration=10;pkt_sizes=128"
-
-For all available options, check out the help dialog:
-
- .. code-block:: console
-
- ./vsperf --help
-
-Executing Vanilla OVS tests
-----------------------------
-If you have compiled all the variants of OVS in ''src/'' please skip
-step 1.
-
-1. Recompile src for Vanilla OVS testing
-
- .. code-block:: console
-
- cd src
- make cleanse
- make WITH_LINUX=/lib/modules/`uname -r`/build
-
-2. Update your ''10_custom.conf'' file to use the appropriate variables
-for Vanilla OVS:
- .. code-block:: console
-
- VSWITCH = 'OvsVanilla'
- VSWITCH_VANILLA_PHY_PORT_NAMES = ['$PORT1', '$PORT1']
-
-Where $PORT1 and $PORT2 are the Linux interfaces you'd like to bind
-to the vswitch.
-
-3. Run test:
-
- .. code-block:: console
-
- ./vsperf --conf-file <path_to_settings_py>
-
-Please note if you don't want to configure Vanilla OVS through the
-configuration file, you can pass it as a CLI argument; BUT you must
-set the ports.
-
- .. code-block:: console
-
- ./vsperf --vswitch OvsVanilla
-
-
- Executing PVP and PVVP tests
-----------------------------
-To run tests using vhost-user as guest access method:
-
-1. Set VHOST_METHOD and VNF of your settings file to:
-
- .. code-block:: console
-
- VHOST_METHOD='user'
- VNF = 'QemuDpdkVhost'
-
-2. Recompile src for VHOST USER testing
-
- .. code-block:: console
-
- cd src
- make cleanse
- make VHOST_USER=y
-
-3. Run test:
-
- .. code-block:: console
-
- ./vsperf --conf-file <path_to_settings_py>
-
-To run tests using vhost-cuse as guest access method:
-
-1. Set VHOST_METHOD and VNF of your settings file to:
-
- .. code-block:: console
-
- VHOST_METHOD='cuse'
- VNF = 'QemuDpdkVhostCuse'
-
-2. Recompile src for VHOST USER testing
-
- .. code-block:: console
-
- cd src
- make cleanse
- make VHOST_USER=n
-
-3. Run test:
-
- .. code-block:: console
-
- ./vsperf --conf-file <path_to_settings_py>
-
-Executing PVP tests using Vanilla OVS
--------------------------------------
-To run tests using Vanilla OVS:
-
-1. Set the following variables:
-
- .. code-block:: console
-
- VSWITCH = 'OvsVanilla'
- VNF = 'QemuVirtioNet'
-
- VANILLA_TGEN_PORT1_IP = n.n.n.n
- VANILLA_TGEN_PORT1_MAC = nn:nn:nn:nn:nn:nn
-
- VANILLA_TGEN_PORT2_IP = n.n.n.n
- VANILLA_TGEN_PORT2_MAC = nn:nn:nn:nn:nn:nn
-
- VANILLA_BRIDGE_IP = n.n.n.n
-
- or use --test-param
-
- ./vsperf --conf-file user_settings.py
- --test-param "vanilla_tgen_tx_ip=n.n.n.n;
- vanilla_tgen_tx_mac=nn:nn:nn:nn:nn:nn"
-
-
-2. Recompile src for Vanilla OVS testing
-
- .. code-block:: console
-
- cd src
- make cleanse
- make WITH_LINUX=/lib/modules/`uname -r`/build
-
-3. Run test:
-
- .. code-block:: console
-
- ./vsperf --conf-file <path_to_settings_py>
-
-Selection of loopback application for PVP and PVVP tests
---------------------------------------------------------
-To select loopback application, which will perform traffic forwarding
-inside VM, following configuration parameter should be configured:
-
- .. code-block:: console
-
- GUEST_LOOPBACK = ['testpmd', 'testpmd']
-
- or use --test-param
-
- ./vsperf --conf-file user_settings.py
- --test-param "guest_loopback=testpmd"
-
-Supported loopback applications are:
-
- .. code-block:: console
-
- 'testpmd' - testpmd from dpdk will be built and used
- 'l2fwd' - l2fwd module provided by Huawei will be built and used
- 'linux_bridge' - linux bridge will be configured
- 'buildin' - nothing will be configured by vsperf; VM image must
- ensure traffic forwarding between its interfaces
-
-Guest loopback application must be configured, otherwise traffic
-will not be forwarded by VM and testcases with PVP and PVVP deployments
-will fail. Guest loopback application is set to 'testpmd' by default.
-
-Code change verification by pylint
-----------------------------------
-Every developer participating in VSPERF project should run
-pylint before his python code is submitted for review. Project
-specific configuration for pylint is available at 'pylint.rc'.
-
-Example of manual pylint invocation:
-
- .. code-block:: console
-
- pylint --rcfile ./pylintrc ./vsperf
-
-GOTCHAs:
---------
-
-OVS with DPDK and QEMU
-~~~~~~~~~~~~~~~~~~~~~~~
-If you encounter the following error: "before (last 100 chars):
-'-path=/dev/hugepages,share=on: unable to map backing store for
-hugepages: Cannot allocate memory\r\n\r\n" with the PVP or PVVP
-deployment scenario, check the amount of hugepages on your system:
-
-.. code:: bash
-
- cat /proc/meminfo | grep HugePages
-
-
-By default the vswitchd is launched with 1Gb of memory, to change
-this, modify --socket-mem parameter in conf/02_vswitch.conf to allocate
-an appropriate amount of memory:
-
-.. code:: bash
-
- VSWITCHD_DPDK_ARGS = ['-c', '0x4', '-n', '4', '--socket-mem 1024,0']
-
---------------
-
-.. |Alt text| image:: ../images/TCLServerProperties.png