C-Docs: New structure

Change-Id: I73d107f94b28b138f3350a9e1eedb0555583a9ca
Signed-off-by: Tibor Frank <tifrank@cisco.com>

1 files changed, 0 insertions, 102 deletions

diff --git a/docs/report/introduction/methodology_per_thread_resources.rst b/docs/report/introduction/methodology_per_thread_resources.rst
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-.. _per_thread_resources_methodology:
-
-Per Thread Resources
---------------------
-
-CSIT test framework is managing mapping of the following resources per
-thread:
-
-#. Cores, physical cores (pcores) allocated as pairs of sibling logical cores
-   (lcores) if server in HyperThreading/SMT mode, or as single lcores
-   if server not in HyperThreading/SMT mode. Note that if server's
-   processors are running in HyperThreading/SMT mode sibling lcores are
-   always used.
-#. Receive Queues (RxQ), packet receive queues allocated on each
-   physical and logical interface tested.
-#. Transmit Queues(TxQ), packet transmit queues allocated on each
-   physical and logical interface tested.
-
-Approach to mapping per thread resources depends on the application/DUT
-tested (VPP or DPDK apps) and associated thread types, as follows:
-
-#. Data-plane workers, used for data-plane packet processing, when no
-   feature workers present.
-
-   - Cores: data-plane workers are typically tested in 1, 2 and 4 pcore
-     configurations, running on single lcore per pcore or on sibling
-     lcores per pcore. Result is a set of {T}t{C}c thread-core
-     configurations, where{T} stands for a total number of threads
-     (lcores), and {C} for a total number of pcores. Tested
-     configurations are encoded in CSIT test case names,
-     e.g. "1c", "2c", "4c", and test tags "2T1C"(or "1T1C"), "4T2C"
-     (or "2T2C"), "8T4C" (or "4T4C").
-   - Interface Receive Queues (RxQ): as of CSIT-2106 release, number of
-     RxQs used on each physical or virtual interface is equal to the
-     number of data-plane workers. In other words each worker has a
-     dedicated RxQ on each interface tested. This ensures packet
-     processing load to be equal for each worker, subject to RSS flow
-     load balancing efficacy. Note: Before CSIT-2106 total number of
-     RxQs across all interfaces of specific type was equal to the
-     number of data-plane workers.
-   - Interface Transmit Queues (TxQ): number of TxQs used on each
-     physical or virtual interface is equal to the number of data-plane
-     workers. In other words each worker has a dedicated TxQ on each
-     interface tested.
-   - Applies to VPP and DPDK Testpmd and L3Fwd.
-
-#. Data-plane and feature workers (e.g. IPsec async crypto workers), the
-   latter dedicated to specific feature processing.
-
-   - Cores: data-plane and feature workers are tested in 2, 3 and 4
-     pcore configurations, running on single lcore per pcore or on
-     sibling lcores per pcore. This results in a two sets of
-     thread-core combinations separated by "-", {T}t{C}c-{T}t{C}c, with
-     the leading set denoting total number of threads (lcores) and
-     pcores used for data-plane workers, and the trailing set denoting
-     total number of lcores and pcores used for feature workers.
-     Accordingly, tested configurations are encoded in CSIT test case
-     names, e.g. "1c-1c", "1c-2c", "1c-3c", and test tags "2T1C_2T1C"
-     (or "1T1C_1T1C"), "2T1C_4T2C"(or "1T1C_2T2C"), "2T1C_6T3C"
-     (or "1T1C_3T3C").
-   - RxQ and TxQ: no RxQs and no TxQs are used by feature workers.
-   - Applies to VPP only.
-
-#. Management/main worker, control plane and management.
-
-   - Cores: single lcore.
-   - RxQ: not used (VPP default behaviour).
-   - TxQ: single TxQ per interface, allocated but not used
-     (VPP default behaviour).
-   - Applies to VPP only.
-
-VPP Thread Configuration
-~~~~~~~~~~~~~~~~~~~~~~~~
-
-Mapping of cores and RxQs to VPP data-plane worker threads is done in
-the VPP startup.conf during test suite setup:
-
-#. `corelist-workers <list_of_cores>`: List of logical cores to run VPP
-   data-plane workers and feature workers. The actual lcores'
-   allocations depends on HyperThreading/SMT server configuration and
-   per test core configuration.
-
-   - For tests without feature workers, by default, all CPU cores
-     configured in startup.conf are used for data-plane workers.
-   - For tests with feature workers, CSIT code distributes lcores across
-     data-plane and feature workers.
-
-#. `num-rx-queues <value>`: Number of Rx queues used per interface.
-
-Mapping of TxQs to VPP data-plane worker threads uses the default VPP
-setting of one TxQ per interface per data-plane worker.
-
-DPDK Thread Configuration
-~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Mapping of cores and RxQs to DPDK Testpmd/L3Fwd data-plane worker
-threads is done in the startup CLI:
-
-#. `-l <list_of_cores>` - List of logical cores to run DPDK
-   application.
-#. `nb-cores=<N>` - Number of forwarding cores.
-#. `rxq=<N>` - Number of Rx queues used per interface.