X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=docs%2Freport%2Fintroduction%2Fmethodology_vpp_startup_settings.rst;h=81c5e4e73e053a4c1648e756b83df7302f1fb066;hp=2b0f485cc05694e719edda469d822126e9935a7e;hb=a611ee796ea6b224018953c276e67900b212dc44;hpb=ad4f18fdb7b46c3c2b95813c1fdbe428295ef61b diff --git a/docs/report/introduction/methodology_vpp_startup_settings.rst b/docs/report/introduction/methodology_vpp_startup_settings.rst index 2b0f485cc0..81c5e4e73e 100644 --- a/docs/report/introduction/methodology_vpp_startup_settings.rst +++ b/docs/report/introduction/methodology_vpp_startup_settings.rst @@ -18,8 +18,12 @@ List of vpp startup.conf settings applied to all tests: #. no-tx-checksum-offload - disables UDP / TCP TX checksum offload in DPDK. Typically needed for use faster vector PMDs (together with no-multi-seg). -#. socket-mem , - memory per numa. (Not required anymore - due to VPP code changes, will be removed in CSIT-19.04.) +#. buffers-per-numa - 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. Per Test Settings ~~~~~~~~~~~~~~~~~ @@ -31,11 +35,6 @@ List of vpp startup.conf settings applied dynamically per test: test configuration. #. num-rx-queues - depends on a number of VPP threads and NIC interfaces. -#. num-rx-desc/num-tx-desc - number of rx/tx descriptors for specific - NICs, incl. xl710, x710, xxv710. -#. num-mbufs - increases number of buffers allocated, needed - only in scenarios with large number of interfaces and worker threads. - Value is per CPU socket. Default is 16384. #. no-multi-seg - disables multi-segment buffers in DPDK, improves packet throughput, but disables Jumbo MTU support. Disabled for all tests apart from the ones that require Jumbo 9000B frame support.