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.. raw:: latex
\clearpage
Packet Latency
==============
DPDK Testpmd and L3fwd latency results are generated based on the test
data obtained from |csit-release| NDR-PDR throughput tests executed
across physical testbeds hosted in LF FD.io labs: 3n-skx, 2n-
skx, 2n-clx, 3n-dnv, 2n-dnv, 3n-tsh, 2n-tx2.
Latency by percentile distribution plots are used to show packet latency
percentiles at different packet rate load levels: i) No-Load latency
streams only, ii) Low-Load at 10% PDR, iii) Mid-Load at 50% PDR and iv)
High-Load at 90% PDR.
For more details, see :ref:`latency_methodology`.
Additional information about graph data:
#. **Graph Title**: describes tested DUT packet path.
#. **X-axis Labels**: percentile of packets.
#. **Y-axis Labels**: measured one-way packet latency values in [uSec].
#. **Graph Legend**: list of latency tests at different packet rate load
level.
#. **Hover Information**: packet rate load level, stream direction
(East-West, West-East), percentile, one-way latency.
.. note::
Test results are stored in
`build logs from FD.io dpdk performance job 2n-skx`_,
`build logs from FD.io dpdk performance job 2n-clx`_,
`build logs from FD.io dpdk performance job 3n-skx`_,
`build logs from FD.io dpdk performance job 2n-zn2`_,
`build logs from FD.io dpdk performance job 3n-tsh`_ and
`build logs from FD.io dpdk performance job 2n-tx2`_ with RF
result files csit-dpdk-perf-|srelease|-\*.zip
`archived here <../../_static/archive/>`_.
.. toctree::
:maxdepth: 3
2n-skx-xxv710
3n-skx-xxv710
2n-clx-xxv710
2n-zn2-xxv710
3n-tsh-x520
..
2n-tx2-xl710
|
