diff options
| -rw-r--r-- | resources/libraries/python/CpuUtils.py | 33 | ||||
| -rw-r--r-- | resources/libraries/robot/default.robot | 27 | ||||
| -rw-r--r-- | resources/libraries/robot/performance.robot | 68 | ||||
| -rwxr-xr-x | resources/tools/t-rex/t-rex-stateless.py | 4 | ||||
| -rw-r--r-- | tests/perf/Long_Xconnect_Intel-XL710.robot | 253 |
5 files changed, 337 insertions, 48 deletions
diff --git a/resources/libraries/python/CpuUtils.py b/resources/libraries/python/CpuUtils.py index a8698dfd54..85c2e843e4 100644 --- a/resources/libraries/python/CpuUtils.py +++ b/resources/libraries/python/CpuUtils.py @@ -98,3 +98,36 @@ class CpuUtils(object): raise RuntimeError("Node cpuinfo not available.") return cpulist + + @staticmethod + def cpu_list_per_node_str(node, cpu_node, skip_cnt=0, + cpu_cnt=0, sep=","): + """Return string of node related list of CPU numbers. + + :param node: Node dictionary with cpuinfo. + :param cpu_node: Numa node number. + :param skip_cnt: Skip first "skip_cnt" CPUs. + :param cpu_cnt: Count of cpus to return, if 0 then return all. + :param sep: Separator, default: 1,2,3,4,.... + :type node: dict + :type cpu_node: int + :type skip_cnt: int + :type cpu_cnt: int + :type sep: str + :return: Cpu numbers related to numa from argument. + :rtype: str + """ + + cpu_list = CpuUtils.cpu_list_per_node(node, cpu_node) + cpu_list_len = len(cpu_list) + cpu_flist = "" + if cpu_cnt == 0: + cpu_cnt = cpu_list_len - skip_cnt + + if cpu_cnt + skip_cnt > cpu_list_len: + raise RuntimeError("cpu_cnt + skip_cnt > length(cpu list).") + + cpu_flist = sep.join(str(a) for a in + cpu_list[skip_cnt:skip_cnt+cpu_cnt]) + + return cpu_flist diff --git a/resources/libraries/robot/default.robot b/resources/libraries/robot/default.robot index 3135ef0041..742906e94a 100644 --- a/resources/libraries/robot/default.robot +++ b/resources/libraries/robot/default.robot @@ -14,6 +14,7 @@ *** Settings *** | Variables | resources/libraries/python/topology.py | Library | resources.libraries.python.topology.Topology +| Library | resources.libraries.python.CpuUtils | Library | resources.libraries.python.DUTSetup | Library | resources.libraries.python.TGSetup | Library | resources/libraries/python/VppConfigGenerator.py @@ -41,6 +42,32 @@ | | | Vpp api trace save | ${nodes['${dut}']} | | | Vpp api trace dump | ${nodes['${dut}']} +| Add '${m}' worker threads and rxqueues '${n}' in 3-node single-link topo +| | [Documentation] | Setup M worker threads and N rxqueues in vpp startup +| | ... | configuration on all DUTs in 3-node single-link topology. +| | ${m_int}= | Convert To Integer | ${m} +| | ${dut1_numa}= | Get interfaces numa node | ${dut1} +| | ... | ${dut1_if1} | ${dut1_if2} +| | ${dut2_numa}= | Get interfaces numa node | ${dut2} +| | ... | ${dut2_if1} | ${dut2_if2} +| | ${dut1_cpu_main}= | Cpu list per node str | ${dut1} | ${dut1_numa} +| | ... | cpu_cnt=${1} +| | ${dut1_cpu_w}= | Cpu list per node str | ${dut1} | ${dut1_numa} +| | ... | skip_cnt=${1} | cpu_cnt=${m_int} +| | ${dut2_cpu_main}= | Cpu list per node str | ${dut2} | ${dut2_numa} +| | ... | cpu_cnt=${1} +| | ${dut2_cpu_w}= | Cpu list per node str | ${dut2} | ${dut2_numa} +| | ... | skip_cnt=${1} | cpu_cnt=${m_int} +| | ${dut1_cpu}= | Catenate | main-core | ${dut1_cpu_main} +| | ... | corelist-workers | ${dut1_cpu_w} +| | ${dut2_cpu}= | Catenate | main-core | ${dut2_cpu_main} +| | ... | corelist-workers | ${dut2_cpu_w} +| | ${rxqueues}= | Catenate | num-rx-queues | ${n} +| | Add CPU config | ${dut1} | ${dut1_cpu} +| | Add CPU config | ${dut2} | ${dut2_cpu} +| | Add rxqueues config | ${dut1} | ${rxqueues} +| | Add rxqueues config | ${dut2} | ${rxqueues} + | Add '${m}' worker threads and rxqueues '${n}' without HTT to all DUTs | | [Documentation] | Setup M worker threads without HTT and rxqueues N in | | ... | startup configuration of VPP to all DUTs diff --git a/resources/libraries/robot/performance.robot b/resources/libraries/robot/performance.robot index 0ef07ebefc..62b175668d 100644 --- a/resources/libraries/robot/performance.robot +++ b/resources/libraries/robot/performance.robot @@ -75,6 +75,8 @@ | | ... | for 40GE with 9004B L2 Frame. | | ... | - 40Ge_linerate_pps_9008B - Maximum number of packet per second | | ... | for 40GE with 9008B L2 Frame. +| | ... | - 40Ge_linerate_pps_IMIX_v4_1 - Maximum number of packet per second +| | ... | for 40GE with IMIX_v4_1 profile. | | ... | | Set Suite Variable | ${10Ge_linerate_pps_64B} | 14880952 | | Set Suite Variable | ${10Ge_linerate_pps_68B} | 14204545 @@ -95,6 +97,26 @@ | | Set Suite Variable | ${40Ge_linerate_pps_9000B} | 554323 | | Set Suite Variable | ${40Ge_linerate_pps_9004B} | 554078 | | Set Suite Variable | ${40Ge_linerate_pps_9008B} | 553832 +| | Set Suite Variable | ${40Ge_linerate_pps_IMIX_v4_1} | 13374944 + +| Calculate pps +| | [Documentation] +| | ... | Calculate pps for given rate and L2 frame size, +| | ... | additional 20B are added to L2 frame size as padding. +| | ... +| | ... | *Arguments* +| | ... | - bps - Rate in bps. Type: integer +| | ... | - framesize - L2 frame size in Bytes. Type: integer +| | ... +| | ... | *Return* +| | ... | - Calculated pps. Type: integer +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Calculate pps \| 10000000000 | 64 +| | [Arguments] | ${bps} | ${framesize} +| | ${ret}= | Evaluate | (${bps}/((${framesize}+20)*8)).__trunc__() +| | Return From Keyword | ${ret} | Get Frame Size | | [Documentation] @@ -465,52 +487,6 @@ | | Vpp l2bd forwarding setup | ${dut2} | ${dut2_if1} | ${dut2_if2} | | All Vpp Interfaces Ready Wait | ${nodes} -| 2-node Performance Suite Setup -| | [Documentation] -| | ... | Suite preparation phase that setup default startup configuration of -| | ... | VPP on all DUTs. Updates interfaces on all nodes and setup global -| | ... | variables used in test cases. Initializes traffic generator. -| | ... -| | ... | *Arguments:* -| | ... | - topology_type - Topology type. Type: string -| | ... -| | ... | *Example:* -| | ... -| | ... | \| 2-node Performance Suite Setup \| L2 \| -| | [Arguments] | ${topology_type} -| | Setup default startup configuration of VPP on all DUTs -| | Show vpp version on all DUTs -| | Setup performance rate Variables -| | Setup performance global Variables -| | 2-node circular Topology Variables Setup -| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2} -| | ... | ${dut1} | ${dut1_if1} -| | ... | ${dut1} | ${dut1_if2} -| | ... | ${topology_type} - -| 3-node Performance Suite Setup -| | [Documentation] -| | ... | Suite preparation phase that setup default startup configuration of -| | ... | VPP on all DUTs. Updates interfaces on all nodes and setup global -| | ... | variables used in test cases. Initializes traffic generator. -| | ... -| | ... | *Arguments:* -| | ... | - topology_type - Topology type. Type: string -| | ... -| | ... | *Example:* -| | ... -| | ... | \| 3-node Performance Suite Setup \| L2 \| -| | [Arguments] | ${topology_type} -| | Setup default startup configuration of VPP on all DUTs -| | Show vpp version on all DUTs -| | Setup performance rate Variables -| | Setup performance global Variables -| | 3-node circular Topology Variables Setup -| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2} -| | ... | ${dut1} | ${dut1_if1} -| | ... | ${dut2} | ${dut2_if2} -| | ... | ${topology_type} - 2-node Performance Suite Setup with DUT's NIC model | | [Documentation] | | ... | Suite preparation phase that setup default startup configuration of diff --git a/resources/tools/t-rex/t-rex-stateless.py b/resources/tools/t-rex/t-rex-stateless.py index 6c7579d0c3..f456b66316 100755 --- a/resources/tools/t-rex/t-rex-stateless.py +++ b/resources/tools/t-rex/t-rex-stateless.py @@ -380,7 +380,7 @@ def simple_burst(stream_a, stream_b, stream_lat_a, stream_lat_b, duration, rate, if client.get_warnings(): for warning in client.get_warnings(): - print_error(warning) + print(warning) # read the stats after the test stats = client.get_stats() @@ -408,7 +408,7 @@ def simple_burst(stream_a, stream_b, stream_lat_a, stream_lat_b, duration, rate, if client.get_warnings(): for warning in client.get_warnings(): - print_error(warning) + print(warning) # read the stats after the test stats = client.get_stats() diff --git a/tests/perf/Long_Xconnect_Intel-XL710.robot b/tests/perf/Long_Xconnect_Intel-XL710.robot new file mode 100644 index 0000000000..d39fde9f2d --- /dev/null +++ b/tests/perf/Long_Xconnect_Intel-XL710.robot @@ -0,0 +1,253 @@ +# Copyright (c) 2016 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +*** Settings *** +| Resource | resources/libraries/robot/performance.robot +| Library | resources.libraries.python.InterfaceUtil +| Library | resources.libraries.python.NodePath +| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | PERFTEST_LONG +| ... | NIC_Intel-XL710 +| Suite Setup | 3-node Performance Suite Setup with DUT's NIC model +| ... | L2 | Intel-XL710 +| Suite Teardown | 3-node Performance Suite Teardown +| Test Setup | Setup all DUTs before test +| Test Teardown | Run Keywords | Remove startup configuration of VPP from all DUTs +| ... | AND | Show vpp trace dump on all DUTs +| Documentation | *RFC2544: Pkt throughput L2XC test cases* +| ... +| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology +| ... | with single links between nodes. +| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 cross connect. +| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 cross- +| ... | connect. DUT1 and DUT2 tested with 2p10GE NIC X520 Niantic by Intel. +| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop +| ... | Rate) with zero packet loss tolerance or throughput PDR (Partial Drop +| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage +| ... | of packets transmitted. NDR and PDR are discovered for different +| ... | Ethernet L2 frame sizes using either binary search or linear search +| ... | algorithms with configured starting rate and final step that determines +| ... | throughput measurement resolution. Test packets are generated by TG on +| ... | links to DUTs. TG traffic profile contains two L3 flow-groups +| ... | (flow-group per direction, 253 flows per flow-group) with all packets +| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static +| ... | payload. MAC addresses are matching MAC addresses of the TG node +| ... | interfaces. +| ... | *[Ref] Applicable standard specifications:* RFC2544. + +*** Variables *** +#XL710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps +| ${s_24.5G} | ${24500000000} +#XL710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps +| ${s_18.75Mpps} | ${18750000} + +*** Test Cases *** +| TC01: 64B NDR binary search - DUT L2XC - 1thread 1core 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy core, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 64 Byte frames +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR +| | ${framesize}= | Set Variable | 64 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Set Variable | ${s_18.75Mpps} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC03: 1518B NDR binary search - DUT L2XC - 1thread 1core 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy core, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 1518 Byte frames +| | ... | using binary search start at 10GE linerate, step 10kpps. +| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR +| | ${framesize}= | Set Variable | 1518 +| | ${min_rate}= | Set Variable | 10000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC07: 64B NDR binary search - DUT L2XC - 2threads 2cores 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 64 Byte frames +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | 64 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Set Variable | ${s_18.75Mpps} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC09: 1518B NDR binary search - DUT L2XC - 2threads 2cores 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 1518 Byte frames +| | ... | using binary search start at 10GE linerate, step 10kpps. +| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | 1518 +| | ${min_rate}= | Set Variable | 10000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC13: 64B NDR binary search - DUT L2XC - 4threads 4cores 2rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \ +| | ... | 2 receive queues per NIC port. [Ver] Find NDR for 64 Byte frames +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | 64 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Set Variable | ${s_18.75Mpps} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC15: 1518B NDR binary search - DUT L2XC - 4threads 4cores 2rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \ +| | ... | 2 receive queues per NIC port. [Ver] Find NDR for 1518 Byte frames +| | ... | using binary search start at 10GE linerate, step 10kpps. +| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | 1518 +| | ${min_rate}= | Set Variable | 10000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo +| | And Add PCI devices to DUTs from 3-node single link topology +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC19: IMIX_v4_1 NDR binary search - DUT L2XC - 1thread 1core 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy core, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B) +| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR +| | ${framesize}= | Set Variable | IMIX_v4_1 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${353.83333} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add all PCI devices to all DUTs +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC20: IMIX_v4_1 NDR binary search - DUT L2XC - 2threads 2cores 1rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 2 thread, 2 phy core, \ +| | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B) +| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | IMIX_v4_1 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${353.83333} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo +| | And Add all PCI devices to all DUTs +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} + +| TC21: IMIX_v4_1 NDR binary search - DUT L2XC - 4threads 4cores 2rxq +| | [Documentation] +| | ... | [Cfg] DUT runs L2XC switching config with 4 thread, 4 phy core, \ +| | ... | 2 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size +| | ... | using binary search start at 10GE linerate, step 100kpps. +| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B) +| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR +| | ${framesize}= | Set Variable | IMIX_v4_1 +| | ${min_rate}= | Set Variable | 100000 +| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${353.83333} +| | ${binary_min}= | Set Variable | ${min_rate} +| | ${binary_max}= | Set Variable | ${max_rate} +| | ${threshold}= | Set Variable | ${min_rate} +| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo +| | And Add all PCI devices to all DUTs +| | And Add No Multi Seg to all DUTs +| | And Apply startup configuration on all VPP DUTs +| | And L2 xconnect initialized in a 3-node circular topology +| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min} +| | ... | ${binary_max} | 3-node-xconnect +| | ... | ${min_rate} | ${max_rate} +| | ... | ${threshold} |