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Diffstat (limited to 'docs/testing/user/userguide')
| -rw-r--r-- | docs/testing/user/userguide/testusage.rst | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/docs/testing/user/userguide/testusage.rst b/docs/testing/user/userguide/testusage.rst index 20c30a40..f679566e 100644 --- a/docs/testing/user/userguide/testusage.rst +++ b/docs/testing/user/userguide/testusage.rst @@ -155,6 +155,17 @@ Example: $ ./vsperf --test-params "TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,);" \ "GUEST_LOOPBACK=['testpmd','l2fwd']" pvvp_tput +The ``--test-params`` command line argument can also be used to override default +configuration values for multiple tests. Providing a list of parameters will apply each +element of the list to the test with the same index. If more tests are run than +parameters provided the last element of the list will repeat. + +.. code:: console + + $ ./vsperf --test-params "['TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,)'," + "'TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(64,)']" \ + pvvp_tput pvvp_tput + The second option is to override configuration items by ``Parameters`` section of the test case definition. The configuration items can be added into ``Parameters`` dictionary with their new values. These values will override values defined in @@ -234,6 +245,12 @@ To run a single test: Where $TESTNAME is the name of the vsperf test you would like to run. +To run a test multiple times, repeat it: + +.. code-block:: console + + $ ./vsperf $TESTNAME $TESTNAME $TESTNAME + To run a group of tests, for example all tests with a name containing 'RFC2544': @@ -256,6 +273,30 @@ Some tests allow for configurable parameters, including test duration --tests RFC2544Tput \ --test-params "TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,)" +To specify configurable parameters for multiple tests, use a list of +parameters. One element for each test. + +.. code:: console + + $ ./vsperf --conf-file user_settings.py \ + --test-params "['TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,)',"\ + "'TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(64,)']" \ + phy2phy_cont phy2phy_cont + +If the ``CUMULATIVE_PARAMS`` setting is set to True and there are different parameters +provided for each test using ``--test-params``, each test will take the parameters of +the previous test before appyling it's own. +With ``CUMULATIVE_PARAMS`` set to True the following command will be equivalent to the +previous example: + +.. code:: console + + $ ./vsperf --conf-file user_settings.py \ + --test-params "['TRAFFICGEN_DURATION=10;TRAFFICGEN_PKT_SIZES=(128,)',"\ + "'TRAFFICGEN_PKT_SIZES=(64,)']" \ + phy2phy_cont phy2phy_cont + " + For all available options, check out the help dialog: .. code-block:: console @@ -584,7 +625,7 @@ The supported dpdk guest bind drivers are: .. code-block:: console - 'uio_pci_generic' - Use uio_pci_generic driver + 'uio_pci_generic' - Use uio_pci_generic driver 'igb_uio_from_src' - Build and use the igb_uio driver from the dpdk src files 'vfio_no_iommu' - Use vfio with no iommu option. This requires custom @@ -915,6 +956,39 @@ Example of execution of VSPERF in "trafficgen" mode: $ ./vsperf -m trafficgen --trafficgen IxNet --conf-file vsperf.conf \ --test-params "TRAFFIC={'traffic_type':'rfc2544_continuous','bidir':'False','framerate':60}" +Performance Matrix +^^^^^^^^^^^^^^^^^^ + +The ``--matrix`` command line argument analyses and displays the performance of +all the tests run. Using the metric specified by ``MATRIX_METRIC`` in the conf-file, +the first test is set as the baseline and all the other tests are compared to it. +The ``MATRIX_METRIC`` must always refer to a numeric value to enable comparision. +A table, with the test ID, metric value, the change of the metric in %, testname +and the test parameters used for each test, is printed out as well as saved into the +results directory. + +Example of 2 tests being compared using Performance Matrix: + +.. code-block:: console + + $ ./vsperf --conf-file user_settings.py \ + --test-params "['TRAFFICGEN_PKT_SIZES=(64,)',"\ + "'TRAFFICGEN_PKT_SIZES=(128,)']" \ + phy2phy_cont phy2phy_cont --matrix + +Example output: + +.. code-block:: console + + +------+--------------+---------------------+----------+---------------------------------------+ + | ID | Name | throughput_rx_fps | Change | Parameters, CUMULATIVE_PARAMS = False | + +======+==============+=====================+==========+=======================================+ + | 0 | phy2phy_cont | 23749000.000 | 0 | 'TRAFFICGEN_PKT_SIZES': [64] | + +------+--------------+---------------------+----------+---------------------------------------+ + | 1 | phy2phy_cont | 16850500.000 | -29.048 | 'TRAFFICGEN_PKT_SIZES': [128] | + +------+--------------+---------------------+----------+---------------------------------------+ + + Code change verification by pylint ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |