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-rw-r--r--docs/report/introduction/methodology_nfv_service_density.rst13
-rw-r--r--docs/report/introduction/methodology_vpp_startup_settings.rst31
-rw-r--r--docs/report/vpp_performance_tests/csit_release_notes.rst27
3 files changed, 36 insertions, 35 deletions
diff --git a/docs/report/introduction/methodology_nfv_service_density.rst b/docs/report/introduction/methodology_nfv_service_density.rst
index 23bdac9d7c..b09c1be629 100644
--- a/docs/report/introduction/methodology_nfv_service_density.rst
+++ b/docs/report/introduction/methodology_nfv_service_density.rst
@@ -19,15 +19,13 @@ different service density setups by varying two parameters:
- Number of service instances (e.g. 1,2,4..10).
- Number of NFs per service instance (e.g. 1,2,4..10).
-The initial implementation of NFV service density tests in
-|csit-release| is using two NF applications:
+Implementation of NFV service density tests in |csit-release| is using two NF
+applications:
- VNF: VPP of the same version as vswitch running in KVM VM, configured with /8
IPv4 prefix routing.
- CNF: VPP of the same version as vswitch running in Docker Container,
- configured with /8 IPv4 prefix routing. VPP got chosen as a fast IPv4 NF
- application that supports required memif interface (L3fwd does not). This is
- similar to all other Container tests in CSIT that use VPP.
+ configured with /8 IPv4 prefix routing.
Tests are designed such that in all tested cases VPP vswitch is the most
stressed application, as for each flow vswitch is processing each packet
@@ -103,9 +101,8 @@ physical core mapping ratios:
- (main:core) = (2:1) => 2mt1c - 2 Main Threads on 1 Core, 1 Thread
per NF, core shared between two NFs.
- - (data:core) = (2:1) => 1dt1c - 1 Data-plane Threads on 1 Core per
- NF.
-
+ - (data:core) = (2:1) => 2dt1c - 2 Data-plane Threads on 1 Core, 1
+ Thread per NF, core shared between two NFs.
Maximum tested service densities are limited by a number of physical
cores per NUMA. |csit-release| allocates cores within NUMA0. Support for
diff --git a/docs/report/introduction/methodology_vpp_startup_settings.rst b/docs/report/introduction/methodology_vpp_startup_settings.rst
index 81c5e4e73e..e3e8d29b23 100644
--- a/docs/report/introduction/methodology_vpp_startup_settings.rst
+++ b/docs/report/introduction/methodology_vpp_startup_settings.rst
@@ -1,29 +1,32 @@
VPP Startup Settings
--------------------
-CSIT code manipulates a number of VPP settings in startup.conf for optimized
-performance. List of common settings applied to all tests and test
-dependent settings follows.
+CSIT code manipulates a number of VPP settings in startup.conf for
+optimized performance. List of common settings applied to all tests and
+test dependent settings follows.
-See `VPP startup.conf`_
-for a complete set and description of listed settings.
+See `VPP startup.conf`_ for a complete set and description of listed
+settings.
Common Settings
~~~~~~~~~~~~~~~
-List of vpp startup.conf settings applied to all tests:
+List of VPP startup.conf settings applied to all tests:
#. heap-size <value> - set separately for ip4, ip6, stats, main
depending on scale tested.
-#. no-tx-checksum-offload - disables UDP / TCP TX checksum offload in DPDK.
- Typically needed for use faster vector PMDs (together with
+#. no-tx-checksum-offload - disables UDP / TCP TX checksum offload in
+ DPDK. Typically needed for use faster vector PMDs (together with
no-multi-seg).
-#. buffers-per-numa <value> - increases number of buffers allocated, needed
- in scenarios with large number of interfaces and worker threads.
- Value is per CPU socket. Default is 16384. CSIT is setting statically
- 107520 buffers per CPU thread (215040 if HTT is enabled). This value is also
- maximum possible amount limited by number of memory mappings in DPDK
- libraries for 2MB Hugepages used in CSIT.
+#. buffers-per-numa <value> - sets a number of memory buffers allocated
+ to VPP per CPU socket. VPP default is 16384. Needs to be increased for
+ scenarios with large number of interfaces and worker threads. To
+ accommodate for scale tests, CSIT is setting it to the maximum possible
+ value corresponding to the limit of DPDK memory mappings (currently
+ 256). For Xeon Skylake platforms configured with 2MB hugepages and VPP
+ data-size and buffer-size defaults (2048B and 2496B respectively), this
+ results in value of 215040 (256 * 840 = 215040, 840 * 2496B buffers fit
+ in 2MB hugepage ). For Xeon Haswell nodes value of 107520 is used.
Per Test Settings
~~~~~~~~~~~~~~~~~
diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst
index 70092ad098..a96a4f4287 100644
--- a/docs/report/vpp_performance_tests/csit_release_notes.rst
+++ b/docs/report/vpp_performance_tests/csit_release_notes.rst
@@ -6,32 +6,33 @@ Changes in |csit-release|
#. VPP PERFORMANCE TESTS
- - **Service density 2n-skx tests**: Added higher density tests with dtc=0.5
- (2 NF each with 1 DT per physical core) with VPP as a VNF payload.
+ - **Service density 2n-skx tests**: Added higher NF density tests with two
+ NFs' data-plane threads sharing a physical core. VPP IPv4 routing is now
+ used as a VNF payload similar to CNF tests.
- - **Experimental Soak Tests**: Added performamce soak tests framework
+ - **Soak Tests**: Optimized performamce soak tests framework
code for extended time duration tests and throughput discovery
at given PLR and at give total test time e.g. minutes, hours,
- days, weeks, months, years. See updated
+ days, weeks. See updated
:ref:`test_methodology` section for more details.
#. TEST FRAMEWORK
- - **Qemu code refactor**: Complete code refactor of the key components
+ - **Qemu code refactor**: Complete code refactor of the key components of
QemuUtil.py and QemuManager.py (L1 and L2 KW counterparts). Added
- implementation of kernel-image-kvm based VM alongisde the previously used
+ implementation of kernel-image-kvm based VM replacing the previously used
NestedVM images. Added ability to run VPP as a payload in VNF.
- - **CSIT PAPI Support**: Continue converting existing VAT L1 keywords to
- PAPI L1 KWs in CSIT using VPP Python bindings. Required for migrating away
- from VAT. Redesign of key components of PAPI Executor and PAPI history.
+ - **CSIT PAPI Support**: Continued conversion of CSIT VAT L1 keywords to
+ PAPI L1 KWs in CSIT using VPP Python bindings. Redesign of key components
+ of PAPI Executor and PAPI history.
- **General Code Housekeeping**: Ongoing RF keywords optimizations,
removal of redundant RF keywords.
- - **Test suite generator**: Extend the test suite generator for ability to
- generate NIC permutation and search algorithm permutations from base
- suites.
+ - **Test suite generator**: Added capability to generate suites for
+ different NIC models as well as throughput search algorithm types. Uses
+ base tests suites as source.
- **TOX verification**: Added verifications for test suite generator.
@@ -67,6 +68,6 @@ List of known issues in |csit-release| for VPP performance tests:
| 1 | `CSIT-570 | Sporadic (1 in 200) NDR discovery test failures on x520. DPDK reporting rx-errors, indicating L1 issue. |
| | <https://jira.fd.io/browse/CSIT-570>`_ | Suspected issue with HW combination of X710-X520 in LF testbeds. Not observed outside of LF testbeds. |
+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 2 | `CSIT-???? | IPSecHW interface AES-GBC tests failing due to traffic not passing. |
+| 2 | `CSIT-???? | IPSecHW interface AES-128-CBC tests failing due to traffic not passing. |
| | <https://jira.fd.io/browse/CSIT-????>`_ | |
+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+