From 6e2137b6f48d4826ed06229e8b03fb0ec23e4895 Mon Sep 17 00:00:00 2001 From: Maciek Konstantynowicz Date: Thu, 9 May 2019 12:39:52 +0100 Subject: report: further edits of methodology throughput sections Change-Id: I571d1a47743eb31ee10caf3f3336ac7437daf878 Signed-off-by: Maciek Konstantynowicz (cherry picked from commit 342ba492f7066402e35654199193e20135f39b6d) --- .../methodology_mrr_throughput.rst | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 docs/report/introduction/methodology_data_plane_throughput/methodology_mrr_throughput.rst (limited to 'docs/report/introduction/methodology_data_plane_throughput/methodology_mrr_throughput.rst') diff --git a/docs/report/introduction/methodology_data_plane_throughput/methodology_mrr_throughput.rst b/docs/report/introduction/methodology_data_plane_throughput/methodology_mrr_throughput.rst new file mode 100644 index 0000000000..fd4baca2f3 --- /dev/null +++ b/docs/report/introduction/methodology_data_plane_throughput/methodology_mrr_throughput.rst @@ -0,0 +1,52 @@ +.. _mrr_throughput: + +MRR Throughput +-------------- + +Maximum Receive Rate (MRR) tests are complementary to MLRsearch tests, +as they provide a maximum "raw" throughput benchmark for development and +testing community. MRR tests measure the packet forwarding rate under +the maximum load offered by traffic generator over a set trial duration, +regardless of packet loss. + +MRR tests are currently used for following test jobs: + +- Report performance comparison: 64B, IMIX for vhost, memif. +- Daily performance trending: 64B, IMIX for vhost, memif. +- Per-patch performance verification: 64B. +- PLRsearch soaking tests: 64B. + +Maximum offered load for specific L2 Ethernet frame size is set to +either the maximum bi-directional link rate or tested NIC model +capacity, as follows: + +- For 10GE NICs the maximum packet rate load is 2x14.88 Mpps for 64B, a + 10GE bi-directional link rate. +- For 25GE NICs the maximum packet rate load is 2x18.75 Mpps for 64B, a + 25GE bi-directional link sub-rate limited by 25GE NIC used on TRex TG, + XXV710. +- For 40GE NICs the maximum packet rate load is 2x18.75 Mpps for 64B, a + 40GE bi-directional link sub-rate limited by 40GE NIC used on TRex + TG,XL710. Packet rate for other tested frame sizes is limited by + PCIeGen3 x8 bandwidth limitation of ~50Gbps. + +MRR test code implements multiple bursts of offered packet load and has +two configurable burst parameters: individual trial duration and number +of trials in a single burst. This enables more precise performance +trending by providing more results data for analysis. + +Burst parameter settings vary between different tests using MRR: + +- MRR individual trial duration: + + - Report performance comparison: 1 sec. + - Daily performance trending: 1 sec. + - Per-patch performance verification: 10 sec. + - PLRsearch soaking tests: 5.2 sec. + +- Number of MRR trials per burst: + + - Report performance comparison: 10. + - Daily performance trending: 10. + - Per-patch performance verification: 5. + - PLRsearch soaking tests: 1. \ No newline at end of file -- cgit 1.2.3-korg