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authorMaciek Konstantynowicz <mkonstan@cisco.com>2017-02-05 16:33:28 +0000
committerMaciek Konstantynowicz <mkonstan@cisco.com>2017-02-06 16:27:37 +0000
commitda2aa127ee071e37bc4d6060dd39476179e65365 (patch)
treeea4fa5cd56fc6219efa290ba2b93288bc84ebe7e /docs/report/testpmd_performance_tests_hw/overview.rst
parenta1d482fcf9c221cda2f13429810bca945d9f09f4 (diff)
csit rls1701 report edits:
- simplified section structure for clarity and readability, - updated overview sections, - moved not rls related content from rls_notes to overview sections, - removed section title suffixes: HW, VIRL. - completed vpp_unit_tests and vpp_unittest_results sections. - updated all documentation sections. - updated rls_notes sections for vpp performance and vpp functional. Change-Id: Id2c2abbf9d3531ec9f63ecd353f385a0b55ae1ba Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com> Signed-off-by: pmikus <pmikus@cisco.com> Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com> Signed-off-by: pmikus <pmikus@cisco.com> Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>
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-Overview
-========
-
-Tested Topologies HW
---------------------
-
-CSIT Testpmd performance tests are executed on physical baremetal servers hosted
-by LF FD.io project. Testbed physical topology is shown in the figure below.
-
-::
-
- +------------------------+ +------------------------+
- | | | |
- | +------------------+ | | +------------------+ |
- | | | | | | | |
- | | <-----------------> | |
- | | DUT1 | | | | DUT2 | |
- | +--^---------------+ | | +---------------^--+ |
- | | | | | |
- | | SUT1 | | SUT2 | |
- +------------------------+ +------------------^-----+
- | |
- | |
- | +-----------+ |
- | | | |
- +------------------> TG <------------------+
- | |
- +-----------+
-
-SUT1 and SUT2 are two System Under Test servers (currently Cisco UCS C240,
-each with two Intel XEON CPUs), TG is a Traffic Generator (TG, currently
-another Cisco UCS C240, with two Intel XEON CPUs). SUTs run Testpmd SW
-application in Linux user-mode as a Device Under Test (DUT). TG runs TRex SW
-application as a packet Traffic Generator. Physical connectivity between SUTs
-and to TG is provided using direct links (no L2 switches) connecting different
-NIC models that need to be tested for performance. Currently installed and
-tested NIC models include:
-
-#. 2port10GE X520-DA2 Intel.
-#. 2port10GE X710 Intel.
-#. 2port10GE VIC1227 Cisco.
-#. 2port40GE VIC1385 Cisco.
-#. 2port40GE XL710 Intel.
-
-Detailed LF FD.io test bed specification and topology is described in
-`wiki CSIT LF testbed <https://wiki.fd.io/view/CSIT/CSIT_LF_testbed>`_.
-
-Testing Summary
----------------
-
-Performance tests are split into the two main categories:
-
-- Throughput discovery - discovery of packet forwarding rate using binary search
- in accordance with RFC2544.
-
- - NDR - discovery of Non Drop Rate packet throughput, at zero packet loss;
- followed by packet one-way latency measurements at 10%, 50% and 100% of
- discovered NDR throughput.
- - PDR - discovery of Partial Drop Rate, with specified non-zero packet loss
- currently set to 0.5%; followed by packet one-way latency measurements at
- 100% of discovered PDR throughput.
-
-- Throughput verification - verification of packet forwarding rate against
- previously discovered NDR throughput. These tests are currently done against
- 0.9 of reference NDR, with reference rates updated periodically.
-
-CSIT |release| includes following performance test suites, listed per NIC type:
-
-- 2port10GE X520-DA2 Intel
-
- - **L2IntLoop** - L2 Interface Loop forwarding any Ethernet frames between
- two Interfaces.
-
-Execution of performance tests takes time, especially the throughput discovery
-tests. Due to limited HW testbed resources available within FD.io labs hosted
-by Linux Foundation, the number of tests for NICs other than X520 (a.k.a.
-Niantic) has been limited to few baseline tests. Over time we expect the HW
-testbed resources to grow, and will be adding complete set of performance
-tests for all models of hardware to be executed regularly and(or)
-continuously.