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| author |   Vratko Polak <vrpolak@cisco.com> | 2019-04-16 18:59:33 +0200 |
|---|---|---|
| committer |   Tibor Frank <tifrank@cisco.com> | 2019-04-18 08:29:21 +0000 |
| commit | 4f2d0c379b50b66e70d9615fc8425cd4772f7738 (patch) | |
| tree | a74671303729c6eb50475b179463e64ef8cdfc64 /docs/cpta/methodology/performance_tests.rst | |
| parent | 07111b63caa5f162c0921b5a91a4de2d13505a7d (diff) | |
Add perpatch info to cpta methodology
Also, split methodology file into multiple, per section.
Change-Id: I973b93d1a99205d7adb80996a3657215e05b8985
Signed-off-by: Vratko Polak <vrpolak@cisco.com>
Diffstat (limited to 'docs/cpta/methodology/performance_tests.rst')
| -rw-r--r-- | docs/cpta/methodology/performance_tests.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/docs/cpta/methodology/performance_tests.rst b/docs/cpta/methodology/performance_tests.rst new file mode 100644 index 0000000000..82e64f870a --- /dev/null +++ b/docs/cpta/methodology/performance_tests.rst @@ -0,0 +1,36 @@ +Performance Tests +----------------- + +Performance trending relies on Maximum Receive Rate (MRR) tests. +MRR tests measure the packet forwarding rate, in multiple trials of set +duration, under the maximum load offered by traffic generator +regardless of packet loss. Maximum load for specified Ethernet frame +size is set to the bi-directional link rate. + +Current parameters for performance trending MRR tests: + +- **Ethernet frame sizes**: 64B (78B for IPv6 tests) for all tests, IMIX for + selected tests (vhost, memif); all quoted sizes include frame CRC, but + exclude per frame transmission overhead of 20B (preamble, inter frame + gap). +- **Maximum load offered**: 10GE and 40GE link (sub-)rates depending on NIC + tested, with the actual packet rate depending on frame size, + transmission overhead and traffic generator NIC forwarding capacity. + + - For 10GE NICs the maximum packet rate load is 2* 14.88 Mpps for 64B, + a 10GE bi-directional link rate. + - For 40GE NICs the maximum packet rate load is 2* 18.75 Mpps for 64B, + a 40GE bi-directional link sub-rate limited by the packet forwarding + capacity of 2-port 40GE NIC model (XL710) used on T-Rex Traffic + Generator. + +- **Trial duration**: 1 sec. +- **Number of trials per test**: 10. +- **Test execution frequency**: twice a day, every 12 hrs (02:00, + 14:00 UTC). + +Note: MRR tests should be reporting bi-directional link rate (or NIC +rate, if lower) if tested VPP configuration can handle the packet rate +higher than bi-directional link rate, e.g. large packet tests and/or +multi-core tests. In other words MRR = min(VPP rate, bi-dir link rate, +NIC rate). |