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diff --git a/docs/report/vpp_performance_tests/impact_meltdown/index.rst b/docs/report/vpp_performance_tests/impact_meltdown/index.rst new file mode 100644 index 0000000000..a2302ed67c --- /dev/null +++ b/docs/report/vpp_performance_tests/impact_meltdown/index.rst @@ -0,0 +1,164 @@ +Impact of Meltdown Patches +========================== + +Following sections list changes to VPP throughput performance after applying +patches addressing security vulnerabilities referred to as Meltdown +(Variant3: Rogue Data Cache Load). Incremental kernel patches are +applied for Ubuntu 16.04LTS as documented on +`Ubuntu SpectreAndMeltdown page <https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown>`_. +Detailed listing of used software versions and patches is documented in +:ref:`test_environment`. + +NDR and PDR packet throughput results are compared for 1-core/1-thread, +2-cores/2-threads and 4-cores/4-threads VPP configurations, with +reference performance numbers coming from tests without the Meltdown +patches. Tables show test results grouped into Best 20 changes (minimal +performance impact), followed by Worst 20 changes (maximal performance +impact). All results are also provided in downloadable CSV and pretty +ASCII formats. + +NDR throughput: Best 20 changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. only:: html + + .. csv-table:: + :align: center + :file: ../../_static/vpp/meltdown-impact-ndr-1t1c-top.csv + +.. only:: latex + + .. raw:: latex + + \makeatletter + \csvset{ + perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead}, + } + \makeatother + + {\tiny + \csvautobooklongtable[separator=comma, + respect all, + no check column count, + perfimprovements column width=1cm, + late after line={\\\hline}, + late after last line={\end{longtable}} + ]{../_build/_static/vpp/meltdown-impact-ndr-1t1c-top.csv} + } + +NDR throughput: Worst 20 changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. only:: html + + .. csv-table:: + :align: center + :file: ../../_static/vpp/meltdown-impact-ndr-1t1c-bottom.csv + +.. only:: latex + + .. raw:: latex + + \makeatletter + \csvset{ + perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead}, + } + \makeatother + + {\tiny + \csvautobooklongtable[separator=comma, + respect all, + no check column count, + perfimprovements column width=1cm, + late after line={\\\hline}, + late after last line={\end{longtable}} + ]{../_build/_static/vpp/meltdown-impact-ndr-1t1c-bottom.csv} + } + +.. only:: html + +NDR throughput: All changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Complete results for all NDR tests are available in a CSV and pretty +ASCII formats: + + - `csv format for 1t1c <../../_static/vpp/meltdown-impact-ndr-1t1c-full.csv>`_, + - `csv format for 2t2c <../../_static/vpp/meltdown-impact-ndr-2t2c-full.csv>`_, + - `csv format for 4t4c <../../_static/vpp/meltdown-impact-ndr-4t4c-full.csv>`_, + - `pretty ASCII format for 1t1c <../../_static/vpp/meltdown-impact-ndr-1t1c-full.txt>`_, + - `pretty ASCII format for 2t2c <../../_static/vpp/meltdown-impact-ndr-2t2c-full.txt>`_, + - `pretty ASCII format for 4t4c <../../_static/vpp/meltdown-impact-ndr-4t4c-full.txt>`_. + +PDR throughput: Best 20 changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. only:: html + + .. csv-table:: + :align: center + :file: ../../_static/vpp/meltdown-impact-pdr-1t1c-top.csv + +.. only:: latex + + .. raw:: latex + + \makeatletter + \csvset{ + perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead}, + } + \makeatother + + {\tiny + \csvautobooklongtable[separator=comma, + respect all, + no check column count, + perfimprovements column width=1cm, + late after line={\\\hline}, + late after last line={\end{longtable}} + ]{../_build/_static/vpp/meltdown-impact-pdr-1t1c-top.csv} + } + +PDR throughput: Worst 20 changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. only:: html + + .. csv-table:: + :align: center + :file: ../../_static/vpp/meltdown-impact-pdr-1t1c-bottom.csv + +.. only:: latex + + .. raw:: latex + + \makeatletter + \csvset{ + perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead}, + } + \makeatother + + {\tiny + \csvautobooklongtable[separator=comma, + respect all, + no check column count, + perfimprovements column width=1cm, + late after line={\\\hline}, + late after last line={\end{longtable}} + ]{../_build/_static/vpp/meltdown-impact-pdr-1t1c-bottom.csv} + } + +.. only:: html + +PDR throughput: All changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Complete results for all PDR tests are available in a CSV and pretty +ASCII formats: + + - `csv format for 1t1c <../../_static/vpp/meltdown-impact-pdr-1t1c-full.csv>`_, + - `csv format for 2t2c <../../_static/vpp/meltdown-impact-pdr-2t2c-full.csv>`_, + - `csv format for 4t4c <../../_static/vpp/meltdown-impact-pdr-4t4c-full.csv>`_, + - `pretty ASCII format for 1t1c <../../_static/vpp/meltdown-impact-pdr-1t1c-full.txt>`_, + - `pretty ASCII format for 2t2c <../../_static/vpp/meltdown-impact-pdr-2t2c-full.txt>`_, + - `pretty ASCII format for 4t4c <../../_static/vpp/meltdown-impact-pdr-4t4c-full.txt>`_. |