X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Frobot%2Fperformance%2Fperformance_utils.robot;h=05059b78b538cbb8297784b927483d53033eb0ae;hp=8507ae68f5460bf3425d893cfa4200ab81626429;hb=a1bd29103c1cfcfd9ea24d03b9f81f9029ff5ebd;hpb=08e7b8758cf60f7f5974d66df3faf63650ca4bd6 diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot index 8507ae68f5..05059b78b5 100644 --- a/resources/libraries/robot/performance/performance_utils.robot +++ b/resources/libraries/robot/performance/performance_utils.robot @@ -23,25 +23,16 @@ | 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/l2/tagging.robot -| Documentation | Performance suite keywords - utilities to find and verify NDR -| ... | and PDR. +| ... +| Documentation +| ... | Performance suite keywords - utilities to find and verify NDR and PDR. *** Keywords *** | 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. +| | ... | Display findings as a formatted test message. | | ... | Fail if a resulting lower bound has too high loss fraction. | | ... | Input rates are understood as uni-directional, | | ... | reported result contains bi-directional rates. @@ -70,7 +61,7 @@ | | ... | | ... | *Example:* | | ... -| | ... | \| Find NDR and PDR intervals using optimized search \| \${0.005} +| | ... | \| Find NDR and PDR intervals using optimized search \| \${0.005} \ | | ... | \| \${0.005} \| \${30.0} \| \${1.0} \| \${2} \| ${600.0} \| ${2} \| | | ... | | [Arguments] | ${packet_loss_ratio}=${0.005} @@ -85,13 +76,83 @@ | | ... | ${final_trial_duration} | ${initial_trial_duration} | | ... | ${number_of_intermediate_phases} | timeout=${timeout} | | ... | doublings=${doublings} -| | Display result of NDRPDR search | ${result} | ${frame_size} +| | Display result of NDRPDR search | ${result} | | 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} | ${traffic_profile} +| Display Reconfig Test Message +| | [Documentation] +| | ... | Display the number of packets lost (bidirectionally) +| | ... | due to reconfiguration under traffic. +| | ... +| | ... | *Arguments:* +| | ... | - result - Result of bidirectional measurtement. +| | ... | Type: ReceiveRateMeasurement +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Display Reconfig Test Message \| \${result} \| +| | ... +| | [Arguments] | ${result} +| | ... +| | Set Test Message | Packets lost due to reconfig: ${result.loss_count} +| | ${time_lost} = | Evaluate | ${result.loss_count} / ${result.target_tr} +| | Set Test Message | ${\n}Implied time lost: ${time_lost} | append=yes + +| Find Throughput Using MLRsearch +| | [Documentation] +| | ... | Find and return lower bound PDR (zero PLR by default) +| | ... | bi-directional throughput using MLRsearch algorithm. +| | ... | Input rates are understood as uni-directional, +| | ... | reported result contains bi-directional rates. +| | ... | Currently, the min_rate value is hardcoded to match test teardowns. +| | ... +| | ... | TODO: Should the trial duration of the additional +| | ... | measurements be configurable? +| | ... +| | ... | Some inputs are read from variables to streamline suites. +| | ... +| | ... | *Test (or broader scope) variables read:* +| | ... | - traffic_profile - Name of module defining traffc for measurements. +| | ... | Type: string +| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str +| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. +| | ... | Type: float +| | ... +| | ... | *Arguments:* +| | ... | - 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 +| | ... +| | ... | *Returns:* +| | ... | - Lower bound for bi-directional throughput at given PLR. Type: float +| | ... +| | ... | *Example:* +| | ... +| | ... | \| \${throughpt}= \| Find Throughput Using MLRsearch \| \${0} \ +| | ... | \| \${0.001} \| \${10.0}\| \${1.0} \| \${1} \| ${720.0} \| ${2} \| +| | ... +| | [Arguments] | ${packet_loss_ratio}=${0.0} +| | ... | ${final_relative_width}=${0.001} | ${final_trial_duration}=${10.0} +| | ... | ${initial_trial_duration}=${1.0} +| | ... | ${number_of_intermediate_phases}=${1} | ${timeout}=${720.0} +| | ... | ${doublings}=${2} +| | ... +| | ${result} = | Perform optimized ndrpdr search | ${frame_size} +| | ... | ${traffic_profile} | ${20000} | ${max_rate*2} +| | ... | ${packet_loss_ratio} | ${final_relative_width} +| | ... | ${final_trial_duration} | ${initial_trial_duration} +| | ... | ${number_of_intermediate_phases} | timeout=${timeout} +| | ... | doublings=${doublings} +| | Return From Keyword | ${result.pdr_interval.measured_low.transmit_rate} + | Find critical load using PLRsearch | | [Documentation] | | ... | Find boundaries for troughput (of given target loss ratio) @@ -118,14 +179,14 @@ | | ... | | ... | \| Find critical load using PLR search \| \${1e-7} \| \${120} \| | | ... -| | [Arguments] | ${packet_loss_ratio}=${1e-7} | ${timeout}=${7200.0} +| | [Arguments] | ${packet_loss_ratio}=${1e-7} | ${timeout}=${1800.0} | | ... | | ${min_rate} = | Set Variable | ${20000} | | ${average} | ${stdev} = | Perform soak search | ${frame_size} | | ... | ${traffic_profile} | ${min_rate} | ${max_rate*2} | | ... | ${packet_loss_ratio} | timeout=${timeout} | | ${lower} | ${upper} = | Display result of soak search -| | ... | ${average} | ${stdev} | ${frame_size} +| | ... | ${average} | ${stdev} | | Should Not Be True | ${lower} < ${min_rate} | | ... | Lower bound ${lower} is below bidirectional minimum ${min_rate}. @@ -171,15 +232,16 @@ | | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC | | ... | The given result should contain latency data as well. | | ... +| | ... | *Test (or broader scope) variables read:* +| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str | | ... | *Arguments:* | | ... | - result - Measured result data per stream [pps]. Type: NdrPdrResult -| | ... | - frame_size - L2 Frame Size [B]. Type: integer | | ... | | ... | *Example:* | | ... -| | ... | \| Display result of NDRPDR search \| \${result} \| \${64} \| +| | ... | \| Display result of NDRPDR search \| \${result} \| | | ... -| | [Arguments] | ${result} | ${frame_size} +| | [Arguments] | ${result} | | ... | | ${frame_size} = | Get Average Frame Size | ${frame_size} | | Display single bound | NDR_LOWER @@ -205,19 +267,20 @@ | | ... | TODO: Do we want to report some latency data, | | ... | even if not measured at the reported bounds?. | | ... +| | ... | *Test (or broader scope) variables read:* +| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str | | ... | *Arguments:* | | ... | - avg - Estimated average critical load [pps]. Type: float | | ... | - stdev - Standard deviation of critical load [pps]. Type: float -| | ... | - frame_size - 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} \| +| | ... | \| Display result of soak search \| \${100000} \| \${100} \| | | ... -| | [Arguments] | ${avg} | ${stdev} | ${frame_size} +| | [Arguments] | ${avg} | ${stdev} | | ... | | ${frame_size} = | Get Average Frame Size | ${frame_size} | | ${avg} = | Convert To Number | ${avg} @@ -330,7 +393,7 @@ | | ... | | ... | *Example:* | | ... -| | ... | \| Traffic should pass with maximum rate \| ${1} \| ${10.0} \| +| | ... | \| Traffic should pass with maximum rate \| ${1} \| ${10.0} \ | | ... | \| ${False} \| ${False} \| ${0} \| ${1} \| | | ... | | [Arguments] | ${trial_duration}=${perf_trial_duration} @@ -408,7 +471,7 @@ | | ... | | ... | *Arguments:* | | ... | - duration - Duration of traffic run [s]. Type: integer -| | ... | - rate - Rate for sending packets. Type: string +| | ... | - rate - Unidirectional rate for sending packets. Type: string | | ... | - frame_size - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string | | ... | - traffic_profile - Name of module defining traffc for measurements. | | ... | Type: string @@ -434,3 +497,55 @@ | | Run Keyword If | ${dut_stats}==${True} | | ... | Show runtime counters on all DUTs | ${nodes} | | Stop traffic on tg + +| Start Traffic on Background +| | [Documentation] +| | ... | Start traffic at specified rate then return control to Robot. +| | ... +| | ... | This keyword is useful if the test needs to do something +| | ... | while traffic is running. +| | ... | Just a wrapper around L1 keyword. +| | ... | +| | ... | TODO: How to make sure the traffic is stopped on any failure? +| | ... +| | ... | *Test (or broader scope) variables read:* +| | ... | - traffic_profile - Name of module defining traffc for measurements. +| | ... | Type: string +| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str +| | ... | *Arguments:* +| | ... | - rate - Unidirectional rate for sending packets. 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:* +| | ... +| | ... | \| Start Traffic on Background \| 4.0mpps \| ${False} \| ${0} \ +| | ... | \| ${1} \| +| | ... +| | [Arguments] | ${rate} | ${unidirection}=${False} | ${tx_port}=${0} +| | ... | ${rx_port}=${1} +| | ... +| | # Duration of -1 means we will stop traffic manually. +| | Send traffic on tg | ${-1} | ${rate} | ${frame_size} | ${traffic_profile} +| | ... | warmup_time=${0} | async_call=${True} | latency=${False} +| | ... | unidirection=${unidirection} | tx_port=${tx_port} | rx_port=${rx_port} + +| Stop Running Traffic +| | [Documentation] +| | ... | Stop the running traffic, return measurement result. +| | ... | For bidirectional traffic, the reported values are bi-directional. +| | ... +| | ... | Just a wrapper around L1 keyword. +| | ... | +| | ... | TODO: Tolerate if traffic was not started. +| | ... +| | ... | *Returns:* +| | ... | - Measurement result. Type: ReceiveRateMeasurement +| | ... +| | ... | *Example:* +| | ... +| | ... | \${result}= \| Stop Running Traffic \| +| | ... +| | ${result}= | Stop traffic on tg +| | Return From Keyword | ${result}