X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=docs%2Freport%2Fdpdk_performance_tests%2Fcsit_release_notes.rst;h=28e6a37768277878213ea6cdc385dfaa36dcde6d;hp=363c2e70f11c285cad7a055829be4ee72d169a55;hb=ee1321d27bc39baab5bc2615834fd7392b79a160;hpb=ce1088d88744f2c040801c9852565d522b3feb68 diff --git a/docs/report/dpdk_performance_tests/csit_release_notes.rst b/docs/report/dpdk_performance_tests/csit_release_notes.rst index 363c2e70f1..28e6a37768 100644 --- a/docs/report/dpdk_performance_tests/csit_release_notes.rst +++ b/docs/report/dpdk_performance_tests/csit_release_notes.rst @@ -4,7 +4,26 @@ Release Notes Changes in |csit-release| ------------------------- -No code changes apart from bug fixes. +#. **DPDK performance tests** + + - *MRR tests* - Maximum Receive Rate tests measure the packet forwarding rate + under the maximum load offered by traffic generator over a set trial + duration, regardless of packet loss. MRR tests are used for continuous + performance trending and for comparison between releases. + + - *MLR tests* - NDR and PDR tests measure the packet forwarding rate using + MLRsearch library by traffic generator. All tests that previously used + binary search were converted to MLRsearch. + + - *2-node tests* - Set of 2-node tests covering testpmd and l3fwd. + + - Increased coverage of NIC specific tests (Intel-xxv710-da2, Intel-x710) + + - *Generated tests* - Simplified and unified test structure, + semi-autogenerated by generator script. Test generator is currently able + to create test combinations with various frame size and cores combinations. + All existing test cases were converted to new format. + Performance Changes ------------------- @@ -12,19 +31,15 @@ Performance Changes Relative performance changes in measured packet throughput in |csit-release| are calculated against the results from |csit-release-1| report. Listed mean and standard deviation values are computed based on -a series of the same tests executed against respective VPP releases to +a series of the same tests executed against respective DPDK releases to verify test results repeatability, with percentage change calculated for -mean values. Note that the standard deviation is quite high for a small -number of packet throughput tests, what indicates poor test results -repeatability and makes the relative change of mean throughput value not -fully representative for these tests. The root causes behind poor -results repeatability vary between the test cases. +mean values. NDR Changes ~~~~~~~~~~~ -NDR throughput changes between releases are available in a -CSV and pretty ASCII formats: +NDR throughput changes between releases are available in a CSV and pretty ASCII +formats: - `csv format for 1t1c <../_static/dpdk/performance-changes-1t1c-ndr.csv>`_, - `csv format for 2t2c <../_static/dpdk/performance-changes-2t2c-ndr.csv>`_, @@ -36,14 +51,14 @@ CSV and pretty ASCII formats: Test results have been generated by `FD.io test executor dpdk performance job 3n-hsw`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip + files csit-dpdk-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. PDR Changes ~~~~~~~~~~~ -PDR throughput changes between releases are available in a -CSV and pretty ASCII formats: +PDR throughput changes between releases are available in a CSV and pretty ASCII +formats: - `csv format for 1t1c <../_static/dpdk/performance-changes-1t1c-pdr.csv>`_, - `csv format for 2t2c <../_static/dpdk/performance-changes-2t2c-pdr.csv>`_, @@ -55,20 +70,20 @@ CSV and pretty ASCII formats: Test results have been generated by `FD.io test executor dpdk performance job 3n-hsw`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip + files csit-dpdk-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. Comparison Across Testbeds -------------------------- -Relative performance changes in measured packet throughputon 3-Node Skx testbed +Relative performance changes in measured packet throughput on 3-Node Skx testbed are calculated against the results measured on 3-Node Hsw testbed. NDR Changes ~~~~~~~~~~~ -NDR changes between testbeds are available in a -CSV and pretty ASCII formats: +NDR throughput changes between testbeds are available in a CSV and pretty ASCII +formats: - `csv format for ndr <../_static/dpdk/performance-compare-testbeds-3n-hsw-3n-skx-ndr.csv>`_, - `pretty ASCII format for ndr <../_static/dpdk/performance-compare-testbeds-3n-hsw-3n-skx-ndr.txt>`_. @@ -79,14 +94,14 @@ CSV and pretty ASCII formats: `FD.io test executor dpdk performance job 3n-hsw`_ and `FD.io test executor dpdk performance job 3n-skx`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip + files csit-dpdk-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. PDR Changes ~~~~~~~~~~~ -PDR throughput changes between testbeds are available in a -CSV and pretty ASCII formats: +PDR throughput changes between testbeds are available in a CSV and pretty ASCII +formats: - `csv format for pdr <../_static/dpdk/performance-compare-testbeds-3n-hsw-3n-skx-pdr.csv>`_, - `pretty ASCII format for pdr <../_static/dpdk/performance-compare-testbeds-3n-hsw-3n-skx-pdr.txt>`_. @@ -97,7 +112,7 @@ CSV and pretty ASCII formats: `FD.io test executor dpdk performance job 3n-hsw`_ and `FD.io test executor dpdk performance job 3n-skx`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip + files csit-dpdk-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. Known Issues @@ -108,10 +123,5 @@ Here is the list of known issues in |csit-release| for Testpmd performance tests +---+---------------------------------------------------+------------+-----------------------------------------------------------------+ | # | Issue | Jira ID | Description | +---+---------------------------------------------------+------------+-----------------------------------------------------------------+ -| 1 | Testpmd in 1t1c and 2t2c setups - large variation | CSIT-569 | Suspected NIC firmware or DPDK driver issue affecting NDR | -| | of discovered NDR throughput values across | | throughput. Applies to XL710 and X710 NICs, no issues observed | -| | multiple test runs with xl710 and x710 NICs. | | on x520 NICs. | -+---+---------------------------------------------------+------------+-----------------------------------------------------------------+ -| 2 | Lower than expected NDR throughput with xl710 | CSIT-571 | Suspected NIC firmware or DPDK driver issue affecting NDR | -| | and x710 NICs, compared to x520 NICs. | | throughput. Applies to XL710 and X710 NICs. | +| | No known issues | | | +---+---------------------------------------------------+------------+-----------------------------------------------------------------+