diff options
Diffstat (limited to 'resources/libraries/robot/performance')
| -rw-r--r-- | resources/libraries/robot/performance/performance_limits.robot | 5 | ||||
| -rw-r--r-- | resources/libraries/robot/performance/performance_utils.robot | 143 |
2 files changed, 136 insertions, 12 deletions
diff --git a/resources/libraries/robot/performance/performance_limits.robot b/resources/libraries/robot/performance/performance_limits.robot index 759ee5c28f..67ef3cf5b0 100644 --- a/resources/libraries/robot/performance/performance_limits.robot +++ b/resources/libraries/robot/performance/performance_limits.robot @@ -75,6 +75,11 @@ | | ... | \| Set test Variable \| \${frame_size} \| IMIX_v4_1 \| | | ... | \| Set Max Rate And Jumbo \| | | ... +| | # Negative overhead is possible, if DUT-DUT traffic is less encapsulated +| | # than TG-DUT traffic. +| | # TODO: Re-check overhead values in suites with both traffics encapsulated. +| | # TODO: Improve layered setup to detect encap/decap and update overhead. +| | ${overhead} = | Set Variable If | ${overhead} >= 0 | ${overhead} | ${0} | | ${pps_limit} = | Set Variable | ${18750000.0} | | ${bps_limit} = | Get From Dictionary | ${NIC_NAME_TO_LIMIT} | ${nic_name} | | ${avg_size} = | Get Average Frame Size | ${frame_size} diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot index 54b20cba2d..d809376c0f 100644 --- a/resources/libraries/robot/performance/performance_utils.robot +++ b/resources/libraries/robot/performance/performance_utils.robot @@ -32,7 +32,7 @@ | | [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. @@ -61,7 +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} @@ -76,13 +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) @@ -116,7 +186,7 @@ | | ... | ${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}. @@ -162,15 +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 @@ -196,19 +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} @@ -321,7 +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} @@ -399,7 +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 @@ -425,3 +497,50 @@ | | 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. +| | ... | 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. +| | ... +| | ... | *Example:* +| | ... +| | ... | \${result}= \| Stop Running Traffic \| +| | ... +| | Stop traffic on tg +| | ${result}= | Get Measurement Result +| | Return From Keyword | ${result} |