# Copyright (c) 2019 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 *** | Library | Collections | Library | resources.libraries.python.topology.Topology | Library | resources.libraries.python.NodePath | Library | resources.libraries.python.DpdkUtil | Library | resources.libraries.python.InterfaceUtil | Library | resources.libraries.python.KubernetesUtils | Library | resources.libraries.python.VhostUser | Library | resources.libraries.python.TrafficGenerator | Library | resources.libraries.python.TrafficGenerator.OptimizedSearch | Library | resources.libraries.python.TrafficGenerator.TGDropRateSearchImpl | Library | resources.libraries.python.Trace | Resource | resources/libraries/robot/shared/default.robot | Resource | resources/libraries/robot/shared/interfaces.robot | Resource | resources/libraries/robot/shared/counters.robot | Resource | resources/libraries/robot/shared/container.robot | Resource | resources/libraries/robot/shared/memif.robot | Resource | resources/libraries/robot/l2/l2_bridge_domain.robot | Resource | resources/libraries/robot/l2/l2_xconnect.robot | Resource | resources/libraries/robot/ip/ip4.robot | Resource | resources/libraries/robot/ip/ip6.robot | Resource | resources/libraries/robot/vm/qemu.robot | Resource | resources/libraries/robot/l2/tagging.robot | Documentation | Performance suite keywords - utilities to find and verify NDR | ... | and PDR. *** Keywords *** | Get Average Frame Size | | [Documentation] | | ... | Framesize can be either integer in case of a single packet | | ... | in stream, or set of packets in case of IMIX type or simmilar. | | ... | This keyword returns average framesize, as float or argument type. | | ... | | ... | *Arguments:* | | ... | - framesize - Framesize. Type: integer or string | | ... | | ... | *Example:* | | ... | | ... | \| Get Average Frame Size \| IMIX_v4_1 \| | | ... | | [Arguments] | ${framesize} | | ... | | Return From Keyword If | '${framesize}' == 'IMIX_v4_1' | ${353.83333} | | Return From Keyword | ${framesize} | Get Max Rate And Jumbo | | [Documentation] | | ... | Argument framesize can be either integer in case of a single packet | | ... | in stream, or IMIX string defining mix of packets. | | ... | For jumbo frames detection, the maximal packet size is relevant. | | ... | For maximal transmit rate, the average packet size is relevant. | | ... | In both cases, encapsulation overhead (if any) has effect. | | ... | The maximal rate is computed from line limit bandwidth, | | ... | but NICs also have an independent limit in packet rate. | | ... | For some NICs, the limit is not reachable (bps limit is stricter), | | ... | in those cases None is used (meaning no limiting). | | ... | | ... | This keyword returns computed maximal unidirectional transmit rate | | ... | and jumbo boolean (some suites need that). | | ... | | ... | *Arguments:* | | ... | - bps_limit - Line rate limit in bps. Type: integer | | ... | - framesize - Framesize in bytes or IMIX. Type: integer or string | | ... | - overhead - Overhead in bytes. Default: 0. Type: integer | | ... | - pps_limit - NIC limit rate value in pps. Type: integer or None | | ... | | ... | *Returns:* | | ... | - 2-tuple, consisting of: | | ... | - Calculated unidirectional maximal transmit rate. | | ... | Type: integer or float | | ... | - Jumbo boolean, true if jumbo packet support has to be enabled. | | ... | Type: boolean | | ... | | ... | *Example:* | | ... | | ... | \| Get Max Rate And Jumbo | \${10000000} \| IMIX_v4_1 \ | | ... | \| overhead=\${40} \| pps_limit=\${18750000} \| | | ... | | [Arguments] | ${bps_limit} | ${framesize} | | ... | ${overhead}=${0} | ${pps_limit}=${None} | | ... | | ${avg_size} = | Get Average Frame Size | ${framesize} | | ${max_size} = | Set Variable If | '${framesize}' == 'IMIX_v4_1' | | ... | ${1518} | ${framesize} | | # swo := size_with_overhead | | ${avg_swo} = | Evaluate | ${avg_size} + ${overhead} | | ${max_swo} = | Evaluate | ${max_size} + ${overhead} | | ${jumbo} = | Set Variable If | ${max_swo} < 1522 | | ... | ${False} | ${True} | | # For testing None see: https://groups.google.com/\ | | # forum/#!topic/robotframework-users/XntFz0ocD9E | | ${limit_set} = | Set Variable | ${pps_limit != None} | | # TODO: Can our code handle float rate? | | ${rate} = | Evaluate | (${bps_limit}/((${avg_swo}+20)*8)).__trunc__() | | ${max_rate} = | Set Variable If | ${limit_set} and ${rate} > ${pps_limit} | | ... | ${pps_limit} | ${rate} | | Return From Keyword | ${max_rate} | ${jumbo} | Get Max Rate And Jumbo And Handle Multi Seg | | [Documentation] | | ... | This keyword adds correct multi seg configuration, | | ... | then returns the result of Get Max Rate And Jumbo keyword. | | ... | | ... | See Documentation of Get Max Rate And Jumbo for more details. | | ... | | ... | *Arguments:* | | ... | - bps_limit - Line rate limit in bps. Type: integer | | ... | - framesize - Framesize in bytes. Type: integer or string | | ... | - overhead - Overhead in bytes. Default: 0. Type: integer | | ... | - pps_limit - NIC limit rate value in pps. Type: integer or None | | ... | | ... | *Returns:* | | ... | - 2-tuple, consisting of: | | ... | - Calculated unidirectional maximal transmit rate. | | ... | Type: integer or float | | ... | - Jumbo boolean, true if jumbo packet support has to be enabled. | | ... | Type: boolean | | ... | | ... | *Example:* | | ... | | ... | \| Get Max Rate And Jumbo And Handle Multi Seg | \${10000000} \ | | ... | \| IMIX_v4_1 \| overhead=\${40} \| pps_limit=\${18750000} \| | | ... | | [Arguments] | ${bps_limit} | ${framesize} | | ... | ${overhead}=${0} | ${pps_limit}=${None} | | ... | | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo | | ... | ${bps_limit} | ${framesize} | ${overhead} | ${pps_limit} | | Run Keyword If | not ${jumbo} | Add no multi seg to all DUTs | | Return From Keyword | ${max_rate} | ${jumbo} | Find NDR and PDR intervals using optimized search | | [Documentation] | | ... | Find boundaries for RFC2544 compatible NDR and PDR values | | ... | using an optimized search algorithm. | | ... | Display results as formatted test message. | | ... | Fail if a resulting lower bound has too high loss fraction. | | ... | Proceed with Perform additional measurements based on NDRPDR result. | | ... | Input rates are understood as uni-directional, | | ... | reported result contains bi-directional rates. | | ... | | ... | TODO: Should the trial duration of the additional | | ... | measurements be configurable? | | ... | | ... | *Arguments:* | | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str | | ... | - topology_type - Topology type. Type: string | | ... | - minimum_transmit_rate - Lower limit of search [pps]. Type: float | | ... | - maximum_transmit_rate - Upper limit of search [pps]. Type: float | | ... | - packet_loss_ratio - Accepted loss during search. Type: float | | ... | - final_relative_width - Maximal width multiple of upper. Type: float | | ... | - final_trial_duration - Duration of final trials [s]. Type: float | | ... | - initial_trial_duration - Duration of initial trials [s]. Type: float | | ... | - intermediate phases - Number of intermediate phases [1]. Type: int | | ... | - timeout - Fail if search duration is longer [s]. Type: float | | ... | - doublings - How many doublings to do when expanding [1]. Type: int | | ... | | ... | *Example:* | | ... | | ... | \| Find NDR and PDR intervals using optimized search \| \${64} \| \ | | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${0.005} \| \${0.005} \ | | ... | \| \${30.0} \| \${1.0} \| \${2} \| ${600.0} \| ${2} \| | | ... | | [Arguments] | ${frame_size} | ${topology_type} | ${minimum_transmit_rate} | | ... | ${maximum_transmit_rate} | ${packet_loss_ratio}=${0.005} | | ... | ${final_relative_width}=${0.005} | ${final_trial_duration}=${30.0} | | ... | ${initial_trial_duration}=${1.0} | | ... | ${number_of_intermediate_phases}=${2} | ${timeout}=${720.0} | | ... | ${doublings}=${2} | | ... | | ${result} = | Perform optimized ndrpdr search | ${frame_size} | | ... | ${topology_type} | ${minimum_transmit_rate*2} | | ... | ${maximum_transmit_rate*2} | ${packet_loss_ratio} | | ... | ${final_relative_width} | ${final_trial_duration} | | ... | ${initial_trial_duration} | ${number_of_intermediate_phases} | | ... | timeout=${timeout} | doublings=${doublings} | | Display result of NDRPDR search | ${result} | ${frame_size} | | Check NDRPDR interval validity | ${result.pdr_interval} | | ... | ${packet_loss_ratio} | | Check NDRPDR interval validity | ${result.ndr_interval} | | Perform additional measurements based on NDRPDR result | | ... | ${result} | ${frame_size} | ${topology_type} | Find critical load using PLRsearch | | [Documentation] | | ... | Find boundaries for troughput (of given target loss ratio) | | ... | using PLRsearch algorithm. | | ... | Display results as formatted test message. | | ... | Fail if computed lower bound is below minimal rate. | | ... | Input rates are understood as uni-directional, | | ... | reported result contains bi-directional rates. | | ... | TODO: Any additional measurements for debug purposes? | | ... | | ... | *Arguments:* | | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str | | ... | - topology_type - Topology type. Type: string | | ... | - minimum_transmit_rate - Lower limit of search [pps]. Type: float | | ... | - maximum_transmit_rate - Upper limit of search [pps]. Type: float | | ... | - packet_loss_ratio - Accepted loss during search. Type: float | | ... | - timeout - Stop when search duration is longer [s]. Type: float | | ... | | ... | *Example:* | | ... | | ... | \| Find critical load usingPLR search \| \${64} \| \ | | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${1e-7} \| \${1800} \ | | ... | | [Arguments] | ${frame_size} | ${topology_type} | ${minimum_transmit_rate} | | ... | ${maximum_transmit_rate} | ${packet_loss_ratio}=${1e-7} | | ... | ${timeout}=${1800.0} | | ... | | ${min_rate} = | Set Variable | ${minimum_transmit_rate*2} | | ${average} | ${stdev} = | Perform soak search | ${frame_size} | | ... | ${topology_type} | ${min_rate} | ${maximum_transmit_rate*2} | | ... | ${packet_loss_ratio} | timeout=${timeout} | | ${lower} | ${upper} = | Display result of soak search | | ... | ${average} | ${stdev} | ${frame_size} | | Should Not Be True | ${lower} < ${min_rate} | | ... | Lower bound ${lower} is below bidirectional minimum ${min_rate}. | Display single bound | | [Documentation] | | ... | Display one bound of NDR+PDR search, | | ... | in packet per seconds (total and per stream) | | ... | and Gbps total bandwidth with untagged packet. | | ... | Througput is calculated as: | | ... | Measured rate per stream * Total number of streams | | ... | Bandwidth is calculated as: | | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC | | ... | The given result should contain latency data as well. | | ... | | ... | *Arguments:* | | ... | - text - Flavor text describing which bound is this. Type: string | | ... | - rate_total - Total (not per stream) measured Tr [pps]. Type: float | | ... | - framesize - L2 Frame Size [B]. Type: integer | | ... | - latency - Latency data to display if non-empty. Type: string | | ... | | ... | *Example:* | | ... | | ... | \| Display single bound \| NDR lower bound \| \${12345.67} \ | | ... | \| \${64} \| show_latency=\${EMPTY} \| | | ... | | [Arguments] | ${text} | ${rate_total} | ${framesize} | ${latency}=${EMPTY} | | ... | | ${bandwidth_total} = | Evaluate | ${rate_total} * (${framesize}+20)*8 / 1e9 | | Set Test Message | ${\n}${text}: ${rate_total} pps, | append=yes | | Set Test Message | ${bandwidth_total} Gbps (untagged) | append=yes | | Return From Keyword If | not """${latency}""" | | Set Test Message | ${\n}LATENCY usec [min/avg/max] per stream: ${latency} | | ... | append=yes | Display result of NDRPDR search | | [Documentation] | | ... | Display result of NDR+PDR search, both quantities, both bounds, | | ... | in packet per seconds (total and per stream) | | ... | and Gbps total bandwidth with untagged packet. | | ... | Througput is calculated as: | | ... | Measured rate per stream * Total number of streams | | ... | Bandwidth is calculated as: | | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC | | ... | The given result should contain latency data as well. | | ... | | ... | *Arguments:* | | ... | - result - Measured result data per stream [pps]. Type: NdrPdrResult | | ... | - framesize - L2 Frame Size [B]. Type: integer | | ... | | ... | *Example:* | | ... | | ... | \| Display result of NDRPDR search \| \${result} \| \${64} \| | | ... | | [Arguments] | ${result} | ${framesize} | | ... | | ${framesize} = | Get Average Frame Size | ${framesize} | | Display single bound | NDR_LOWER | | ... | ${result.ndr_interval.measured_low.transmit_rate} | ${framesize} | | ... | ${result.ndr_interval.measured_low.latency} | | Display single bound | NDR_UPPER | | ... | ${result.ndr_interval.measured_high.transmit_rate} | ${framesize} | | Display single bound | PDR_LOWER | | ... | ${result.pdr_interval.measured_low.transmit_rate} | ${framesize} | | ... | ${result.pdr_interval.measured_low.latency} | | Display single bound | PDR_UPPER | | ... | ${result.pdr_interval.measured_high.transmit_rate} | ${framesize} | Display result of soak search | | [Documentation] | | ... | Display result of soak search, avg+-stdev, as upper/lower bounds, | | ... | in packet per seconds (total and per stream) | | ... | and Gbps total bandwidth with untagged packet. | | ... | Througput is calculated as: | | ... | Measured rate per stream * Total number of streams | | ... | Bandwidth is calculated as: | | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC | | ... | TODO: Do we want to report some latency data, | | ... | even if not measured at the reported bounds?. | | ... | | ... | *Arguments:* | | ... | - avg - Estimated average critical load [pps]. Type: float | | ... | - stdev - Standard deviation of critical load [pps]. Type: float | | ... | - framesize - L2 Frame Size [B]. Type: integer | | ... | | ... | *Returns:* | | ... | - Lower and upper bound of critical load [pps]. Type: 2-tuple of float | | ... | | ... | *Example:* | | ... | | ... | \| Display result of soak search \| \${100000} \| \${100} \| \${64} \| | | ... | | [Arguments] | ${avg} | ${stdev} | ${framesize} | | ... | | ${framesize} = | Get Average Frame Size | ${framesize} | | ${avg} = | Convert To Number | ${avg} | | ${stdev} = | Convert To Number | ${stdev} | | ${lower} = | Evaluate | ${avg} - ${stdev} | | ${upper} = | Evaluate | ${avg} + ${stdev} | | Display single bound | PLRsearch lower bound: | ${lower} | ${framesize} | | Display single bound | PLRsearch upper bound: | ${upper} | ${framesize} | | Return From Keyword | ${lower} | ${upper} | Check NDRPDR interval validity | | [Documentation] | | ... | Extract loss ratio of lower bound of the interval. | | ... | Fail if it does not reach the allowed value. | | ... | | ... | *Arguments:* | | ... | - interval - Measured interval. Type: ReceiveRateInterval | | ... | - packet_loss_ratio - Accepted loss (0.0 for NDR). Type: float | | ... | | ... | *Example:* | | ... | | ... | \| Check NDRPDR interval validity \| \${result.pdr_interval} \ | | ... | \| \${0.005} \| | | ... | | [Arguments] | ${interval} | ${packet_loss_ratio}=${0.0} | | ... | | ${lower_bound} = | Set Variable | ${interval.measured_low} | | ${lower_bound_lf} = | Set Variable | ${lower_bound.loss_fraction} | | Return From Keyword If | ${lower_bound_lf} <= ${packet_loss_ratio} | | ${message}= | Catenate | SEPARATOR=${SPACE} | | ... | Minimal rate loss fraction ${lower_bound_lf} | | ... | does not reach target ${packet_loss_ratio}. | | ${message_zero} = | Set Variable | Zero packets forwarded! | | ${message_other} = | Set Variable | ${lower_bound.loss_count} packets lost. | | ${message} = | Set Variable If | ${lower_bound_lf} >= 1.0 | | ... | ${message}${\n}${message_zero} | ${message}${\n}${message_other} | | Fail | ${message} | Perform additional measurements based on NDRPDR result | | [Documentation] | | ... | Perform any additional measurements which are not directly needed | | ... | for determining NDR nor PDR, but which are needed for gathering | | ... | additional data for debug purposes. | | ... | Currently, just "Traffic should pass with no loss" is called. | | ... | TODO: Move latency measurements from optimized search here. | | ... | | ... | *Arguments:* | | ... | - result - Measured result data per stream [pps]. Type: NdrPdrResult | | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str | | ... | - topology_type - Topology type. Type: string | | ... | | ... | *Example:* | | ... | \| Perform additional measurements based on NDRPDR result \ | | ... | \| \${result} \| ${64} \| 3-node-IPv4 \| | | ... | | [Arguments] | ${result} | ${framesize} | ${topology_type} | | ... | | ${duration}= | Set Variable | 5.0 | | ${rate_per_stream}= | Evaluate | | ... | ${result.ndr_interval.measured_low.target_tr} / 2.0 | | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps | | ... | ${framesize} | ${topology_type} | fail_on_loss=${False} | Traffic should pass with no loss | | [Documentation] | | ... | Send traffic at specified rate. No packet loss is accepted at loss | | ... | evaluation. | | ... | | ... | *Arguments:* | | ... | - duration - Duration of traffic run [s]. Type: integer | | ... | - rate - Rate for sending packets. Type: string | | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string | | ... | - topology_type - Topology type. Type: string | | ... | - fail_on_loss - If True, the keyword fails if loss occurred. | | ... | Type: boolean | | ... | | ... | *Example:* | | ... | | ... | \| Traffic should pass with no loss \| 10 \| 4.0mpps \| 64 \ | | ... | \| 3-node-IPv4 \| | | ... | | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type} | | ... | ${fail_on_loss}=${True} | | ... | | Send traffic at specified rate | ${duration} | ${rate} | ${framesize} | | ... | ${topology_type} | | Run Keyword If | ${fail_on_loss} | No traffic loss occurred | Traffic should pass with maximum rate | | [Documentation] | | ... | Send traffic at maximum rate. | | ... | | ... | *Arguments:* | | ... | - rate - Rate for sending packets. Type: string | | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string | | ... | - topology_type - Topology type. Type: string | | ... | - subsamples - How many trials in this measurement. Type:int | | ... | - trial_duration - Duration of single trial [s]. Type: float | | ... | - fail_no_traffic - Whether to fail on zero receive count. Type: boolean | | ... | - unidirection - False if traffic is bidirectional. Type: boolean | | ... | - tx_port - TX port of TG, default 0. Type: integer | | ... | - rx_port - RX port of TG, default 1. Type: integer | | ... | | ... | *Example:* | | ... | | ... | \| Traffic should pass with maximum rate \| 4.0mpps \| 64 \ | | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} \| ${False} | | ... | \| ${False} \| ${0} | ${1} \| | | ... | | [Arguments] | ${rate} | ${framesize} | ${topology_type} | | ... | ${trial_duration}=${perf_trial_duration} | ${fail_no_traffic}=${True} | | ... | ${subsamples}=${perf_trial_multiplicity} | | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1} | | ... | | ${results} = | Send traffic at specified rate | ${trial_duration} | ${rate} | | ... | ${framesize} | ${topology_type} | ${subsamples} | ${unidirection} | | ... | ${tx_port} | ${rx_port} | | Set Test Message | ${\n}Maximum Receive Rate trial results | | Set Test Message | in packets per second: ${results} | | ... | append=yes | | # TODO: Should we also report the percentage relative to transmit rate, | | # so that people looking at console can decide how close to 100% it is? | | Run Keyword If | ${fail_no_traffic} | Fail if no traffic forwarded | Send traffic at specified rate | | [Documentation] | | ... | Send traffic at specified rate. | | ... | Return list of measured receive rates. | | ... | | ... | *Arguments:* | | ... | - trial_duration - Duration of single trial [s]. Type: float | | ... | - rate - Rate for sending packets. Type: string | | ... | - framesize - L2 Frame Size [B]. Type: integer/string | | ... | - topology_type - Topology type. Type: string | | ... | - subsamples - How many trials in this measurement. Type: int | | ... | - unidirection - False if traffic is bidirectional. Type: boolean | | ... | - tx_port - TX port of TG, default 0. Type: integer | | ... | - rx_port - RX port of TG, default 1. Type: integer | | ... | | ... | *Example:* | | ... | | ... | \| Send traffic at specified rate \| ${1.0} \| 4.0mpps \| 64 \ | | ... | \| 3-node-IPv4 \| ${10} \| ${False} \| ${0} | ${1} \| | | ... | | [Arguments] | ${trial_duration} | ${rate} | ${framesize} | | ... | ${topology_type} | ${subsamples}=${1} | ${unidirection}=${False} | | ... | ${tx_port}=${0} | ${rx_port}=${1} | | ... | | Clear and show runtime counters with running traffic | ${trial_duration} | | ... | ${rate} | ${framesize} | ${topology_type} | | ... | ${unidirection} | ${tx_port} | ${rx_port} | | Run Keyword If | ${dut_stats}==${True} | Clear all counters on all DUTs | | Run Keyword If | ${dut_stats}==${True} and ${pkt_trace}==${True} | | ... | VPP Enable Traces On All DUTs | ${nodes} | | Run Keyword If | ${dut_stats}==${True} | | ... | VPP enable elog traces on all DUTs | ${nodes} | | ${results} = | Create List | | :FOR | ${i} | IN RANGE | ${subsamples} | | | # The following line is skipping some default arguments, | | | # that is why subsequent arguments have to be named. | | | Send traffic on tg | ${trial_duration} | ${rate} | ${framesize} | | | ... | ${topology_type} | warmup_time=${0} | unidirection=${unidirection} | | | ... | tx_port=${tx_port} | rx_port=${rx_port} | | | ${rx} = | Get Received | | | ${rr} = | Evaluate | ${rx} / ${trial_duration} | | | Append To List | ${results} | ${rr} | | Run Keyword If | ${dut_stats}==${True} | Show event logger on all DUTs | | ... | ${nodes} | | Run Keyword If | ${dut_stats}==${True} | Show statistics on all DUTs | | ... | ${nodes} | | Run Keyword If | ${dut_stats}==${True} and ${pkt_trace}==${True} | | ... | Show Packet Trace On All Duts | ${nodes} | maximum=${100} | | Return From Keyword | ${results} | Clear and show runtime counters with running traffic | | [Documentation] | | ... | Start traffic at specified rate then clear runtime counters on all | | ... | DUTs. Wait for specified amount of time and capture runtime counters | | ... | on all DUTs. Finally stop traffic | | ... | | ... | *Arguments:* | | ... | - duration - Duration of traffic run [s]. Type: integer | | ... | - rate - Rate for sending packets. Type: string | | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string | | ... | - topology_type - Topology type. Type: string | | ... | - unidirection - False if traffic is bidirectional. Type: boolean | | ... | - tx_port - TX port of TG, default 0. Type: integer | | ... | - rx_port - RX port of TG, default 1. Type: integer | | ... | | ... | *Example:* | | ... | | ... | \| Clear and show runtime counters with running traffic \| 10 \ | | ... | \| 4.0mpps \| 64 \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \| | | ... | | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type} | | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1} | | ... | | Send traffic on tg | ${-1} | ${rate} | ${framesize} | ${topology_type} | | ... | warmup_time=${0} | async_call=${True} | latency=${False} | | ... | unidirection=${unidirection} | tx_port=${tx_port} | rx_port=${rx_port} | | Run Keyword If | ${dut_stats}==${True} | | ... | Clear runtime counters on all DUTs | ${nodes} | | Sleep | ${duration} | | Run Keyword If | ${dut_stats}==${True} | | ... | Show runtime counters on all DUTs | ${nodes} | | Stop traffic on tg | Create network function CPU list | | # TODO: Is there a better place for this keyword? | | # It is not exactly a performance utility. | | [Documentation] | | ... | Create list of CPUs allocated for network function base on SUT/DUT | | ... | placement and other network functions placement. | | ... | | ... | *Arguments:* | | ... | - dut - DUT node. Type: dictionary | | ... | - chains: Total number of chains. Type: integer | | ... | - nodeness: Total number of nodes per chain. Type: integer | | ... | - chain_id - Network function chain ID. Type: integer | | ... | - node_id - Network function node ID within chain. Type: integer | | ... | - mtcr - Main thread to core ratio. Type: integer | | ... | - dtcr - Dataplane thread to core ratio. Type: integer | | ... | - auto_scale - If True, use same amount of Dataplane threads for | | ... | network function as DUT, otherwise use single physical core for | | ... | every network function. Type: boolean | | ... | | ... | *Note:* | | ... | KW uses test variables \${cpu_count_int} set by | | ... | "Add worker threads and rxqueues to all DUTs" | | ... | | ... | *Example:* | | ... | | ... | \| Create network function CPU list \| ${nodes['DUT1']} \ | | ... | \| 1 \| 1 \| 1 \| 1 \| | | ... | | [Arguments] | ${dut} | ${chains}=${1} | ${nodeness}=${1} | ${chain_id}=${1} | | ... | ${node_id}=${1} | ${mtcr}=${2} | ${dtcr}=${1} | ${auto_scale}=${False} | | ... | | ${sut_sc}= | Set Variable | ${1} | | ${dut_mc}= | Set Variable | ${1} | | ${dut_dc}= | Set Variable | ${cpu_count_int} | | ${skip}= | Evaluate | ${sut_sc} + ${dut_mc} + ${dut_dc} | | ${dtc}= | Set Variable If | ${auto_scale} | ${cpu_count_int} | ${1} | | ${if1_status} | ${value}= | Run Keyword And Ignore Error | | ... | Variable Should Exist | ${${dut}_if1} | | @{if_list}= | Run Keyword If | '${if1_status}' == 'PASS' | | ... | Create List | ${${dut}_if1} | | ... | ELSE | Create List | ${${dut}_if1_1} | ${${dut}_if1_2} | | ${if2_status} | ${value}= | Run Keyword And Ignore Error | | ... | Variable Should Exist | ${${dut}_if2} | | Run Keyword If | '${if2_status}' == 'PASS' | | ... | Append To List | ${if_list} | ${${dut}_if2} | | ... | ELSE | Append To List | ${if_list} | ${${dut}_if2_1} | ${${dut}_if2_2} | | ${dut_numa}= | Get interfaces numa node | ${nodes['${dut}']} | @{if_list} | | ${nf_cpus}= | Cpu slice of list for NF | node=${nodes['${dut}']} | | ... | cpu_node=${dut_numa} | chains=${chains} | nodeness=${nodeness} | | ... | chain_id=${chain_id} | node_id=${node_id} | mtcr=${mtcr} | | ... | dtcr=${dtcr} | dtc=${dtc} | skip_cnt=${skip} | | Return From Keyword | ${nf_cpus}