diff options
Diffstat (limited to 'resources/libraries/robot/performance/performance_utils.robot')
| -rw-r--r-- | resources/libraries/robot/performance/performance_utils.robot | 922 |
1 files changed, 369 insertions, 553 deletions
diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot index b9c4dc08d1..ffafd40854 100644 --- a/resources/libraries/robot/performance/performance_utils.robot +++ b/resources/libraries/robot/performance/performance_utils.robot @@ -22,16 +22,116 @@ | Library | resources.libraries.python.TrafficGenerator.TGDropRateSearchImpl | Library | resources.libraries.python.Trace | Variables | resources/libraries/python/Constants.py +| Resource | resources/libraries/robot/performance/performance_actions.robot +| Resource | resources/libraries/robot/performance/performance_display.robot +| Resource | resources/libraries/robot/performance/performance_vars.robot | | Documentation | ... | Performance suite keywords - utilities to find and verify NDR and PDR. +| ... | See performance_vars.robot for values accessed via there. -*** Variables *** -| ${trial_duration}= | ${PERF_TRIAL_DURATION} -| ${trial_multiplicity}= | ${PERF_TRIAL_MULTIPLICITY} -| ${extended_debug}= | ${EXTENDED_DEBUG} +# Library/suite scope variables are maybe defined in performance_vars.robot. *** Keywords *** +| 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. +| | +| | ... | TODO: Support resetter if this is not the first trial-ish action? +| | +| | ... | *Example:* +| | +| | ... | \| Clear and show runtime counters with running traffic \| +| | +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${runtime_duration} = | Get Runtime Duration +| | ${runtime_rate} = | Get Runtime Rate +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | # Duration of -1 means we will stop traffic manually. +| | Send traffic on tg +| | ... | duration=${-1} +| | ... | rate=${runtime_rate} +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | async_call=${True} +| | ... | ppta=${ppta} +| | ... | use_latency=${use_latency} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} +| | ... | duration_limit=${0.0} +| | FOR | ${action} | IN | @{pre_run_stats} +| | | Run Keyword | Additional Statistics Action For ${action} +| | END +| | Sleep | ${runtime_duration} +| | FOR | ${action} | IN | @{post_run_stats} +| | | Run Keyword | Additional Statistics Action For ${action} +| | END +| | Stop traffic on tg + +| Find critical load using PLRsearch +| | [Documentation] +| | ... | Find boundaries for troughput (of hardcoded target loss ratio) +| | ... | using PLRsearch algorithm. +| | ... | Display results as formatted test message. +| | ... | Fail if computed lower bound is 110% of the minimal rate or less. +| | ... | Input rates are understood as uni-directional, +| | ... | reported result contains aggregate rates. +| | ... | Currently, the min_rate value is hardcoded to match test teardowns. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. +| | +| | ... | *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: integer or +| | ... | string +| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. +| | ... | Type: float +| | +| | ... | *Example:* +| | +| | ... | \| Find critical load using PLR search \| +| | +| | # Get values via performance_vars. +| | ${max_rate} = | Get Max Rate +| | ${min_rate} = | Get Min Rate +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${resetter} = | Get Resetter +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | ${average} | ${stdev} = | Perform soak search +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | minimum_transmit_rate=${min_rate} +| | ... | maximum_transmit_rate=${max_rate} +| | ... | plr_target=${1e-7} +| | ... | tdpt=${0.1} +| | ... | initial_count=${50} +| | ... | ppta=${ppta} +| | ... | resetter=${resetter} +| | ... | timeout=${1800.0} +| | ... | trace_enabled=${False} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_type=${transaction_type} +| | ... | use_latency=${use_latency} +| | ${lower} | ${upper} = | Display result of soak search +| | ... | ${average} | ${stdev} +| | Set Test Variable | \${rate for teardown} | ${lower} +| | Should Not Be True | 1.1 * ${min_rate} > ${lower} +| | ... | Lower bound ${lower} too small for unidirectional minimum ${min_rate}. + | Find NDR and PDR intervals using optimized search | | [Documentation] | | ... | Find boundaries for RFC2544 compatible NDR and PDR values @@ -41,386 +141,243 @@ | | ... | Input rates are understood as uni-directional, | | ... | reported result contains aggregate rates. | | ... | Additional latency measurements are performed for smaller loads, -| | ... | their results are also displayed. +| | ... | even if latency stream is disabled in search. Their results +| | ... | are also displayed. | | ... | Finally, two measurements for runtime stats are done (not displayed). | | ... | Currently, the min_rate value is hardcoded to 90kpps, | | ... | allowing measurement at 10% of the discovered rate | | ... | without breaking latency streams. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. | | | | ... | *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: integer or | | ... | string -| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. +| | ... | - max_rate - Calculated maximal transmit rate [tps]. | | ... | 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: integer -| | ... | - timeout - Fail if search duration is longer [s]. Type: float -| | ... | - doublings - How many doublings to do when expanding [1]. -| | ... | Type: integer -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - latency_duration - Duration for latency-specific trials. Type: float -| | ... | - latency - False to disable latency measurement; default value: True. -| | ... | Type: boolean +| | ... | - resetter - Callable to reset DUT state before each trial. +| | ... | - transaction_scale - Number of ASTF transaction (zero if unlimited). +| | ... | - transaction_type - String identifier to determine how to count +| | ... | transactions. Default is "packet". +| | ... | - disable_latency - If true, skip anything related to latency. +| | ... | Useful if transaction_scale is high and TPS is low. Default: false. | | | | ... | *Example:* | | -| | ... | \| Find NDR and PDR intervals using optimized search \| \${0.005} \ -| | ... | \| \${0.005} \| \${30.0} \| \${1.0} \| \${2} \| \${600.0} \| \${2} \ -| | ... | \| \${2} \| ${5.0} \| -| | -| | [Arguments] | ${packet_loss_ratio}=${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} | ${traffic_directions}=${2} -| | ... | ${latency_duration}=${PERF_TRIAL_LATENCY_DURATION} -| | ... | ${latency}=${True} -| | -| | # Latency measurements will need more than 9000 pps. -| | ${result} = | Perform optimized ndrpdr search | ${frame_size} -| | ... | ${traffic_profile} | ${9001} | ${max_rate} -| | ... | ${packet_loss_ratio} | ${final_relative_width} -| | ... | ${final_trial_duration} | ${initial_trial_duration} -| | ... | ${number_of_intermediate_phases} | timeout=${timeout} -| | ... | doublings=${doublings} | traffic_directions=${traffic_directions} -| | ... | latency=${latency} +| | ... | \| Find NDR and PDR intervals using optimized search \| +| | +| | # Get values via performance_vars. +| | ${disable_latency} = | Get Disable Latency +| | ${max_rate} = | Get Max Rate +| | ${min_rate} = | Get Min Rate +| | # \${packet_loss_ratio} is used twice so it is worth a variable. +| | ${packet_loss_ratio} = | Get Packet Loss Ratio +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${resetter} = | Get Resetter +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | ${result} = | Perform optimized ndrpdr search +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | minimum_transmit_rate=${min_rate} +| | ... | maximum_transmit_rate=${max_rate} +| | ... | packet_loss_ratio=${packet_loss_ratio} +| | ... | 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} +| | ... | ppta=${ppta} +| | ... | resetter=${resetter} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} +| | ... | use_latency=${use_latency} | | Display result of NDRPDR search | ${result} | | Check NDRPDR interval validity | ${result.pdr_interval} | | ... | ${packet_loss_ratio} | | Check NDRPDR interval validity | ${result.ndr_interval} -| | ${pdr_sum}= | Set Variable | ${result.pdr_interval.measured_low.target_tr} -| | ${pdr_per_stream}= | Evaluate | ${pdr_sum} / float(${traffic_directions}) -| | ${ndr_sum}= | Set Variable | ${result.ndr_interval.measured_low.target_tr} -| | ${ndr_per_stream}= | Evaluate | ${ndr_sum} / float(${traffic_directions}) -| | ${rate}= | Evaluate | 0.9 * ${pdr_per_stream} -| | Run Keyword If | ${latency} -| | ... | Measure and show latency at specified rate | Latency at 90% PDR: -| | ... | ${latency_duration} | ${rate} | ${framesize} -| | ... | ${traffic_profile} | ${traffic_directions} -| | ${rate}= | Evaluate | 0.5 * ${pdr_per_stream} -| | Run Keyword If | ${latency} -| | ... | Measure and show latency at specified rate | Latency at 50% PDR: -| | ... | ${latency_duration} | ${rate} | ${framesize} -| | ... | ${traffic_profile} | ${traffic_directions} -| | ${rate}= | Evaluate | 0.1 * ${pdr_per_stream} -| | Run Keyword If | ${latency} -| | ... | Measure and show latency at specified rate | Latency at 10% PDR: -| | ... | ${latency_duration} | ${rate} | ${framesize} -| | ... | ${traffic_profile} | ${traffic_directions} -| | Run Keyword If | ${latency} -| | ... | Measure and show latency at specified rate | Latency at 0% PDR: -| | ... | ${latency_duration} | ${0} | ${framesize} -| | ... | ${traffic_profile} | ${traffic_directions} -| | # Finally, trials with runtime and other stats. +| | ${pdr} = | Set Variable | ${result.pdr_interval.measured_low.target_tr} +| | ${ndr} = | Set Variable | ${result.ndr_interval.measured_low.target_tr} | | # We expect NDR and PDR to have different-looking stats. | | Send traffic at specified rate -| | ... | ${1.0} | ${pdr_per_stream} | ${framesize} | ${traffic_profile} -| | ... | traffic_directions=${traffic_directions} -| | Send traffic at specified rate -| | ... | ${1.0} | ${ndr_per_stream} | ${framesize} | ${traffic_profile} -| | ... | traffic_directions=${traffic_directions} +| | ... | rate=${pdr} +| | ... | trial_duration=${1.0} +| | ... | trial_multiplicity=${1} +| | ... | use_latency=${use_latency} +| | ... | duration_limit=${1.0} +| | Run Keyword If | ${ndr} != ${pdr} +| | ... | Send traffic at specified rate +| | ... | rate=${ndr} +| | ... | trial_duration=${1.0} +| | ... | trial_multiplicity=${1} +| | ... | use_latency=${use_latency} +| | ... | duration_limit=${1.0} +| | Return From Keyword If | ${disable_latency} +| | ${rate} = | Evaluate | 0.9 * ${pdr} +| | Measure and show latency at specified rate | Latency at 90% PDR: | ${rate} +| | ${rate} = | Evaluate | 0.5 * ${pdr} +| | Measure and show latency at specified rate | Latency at 50% PDR: | ${rate} +| | ${rate} = | Evaluate | 0.1 * ${pdr} +| | Measure and show latency at specified rate | Latency at 10% PDR: | ${rate} +| | Measure and show latency at specified rate | Latency at 0% PDR: | ${0.0} | Find Throughput Using MLRsearch | | [Documentation] -| | ... | Find and return lower bound PDR (zero PLR by default) +| | ... | Find and return lower bound NDR (zero PLR) | | ... | aggregate throughput using MLRsearch algorithm. | | ... | Input rates are understood as uni-directional. | | ... | Currently, the min_rate value is hardcoded to match test teardowns. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. | | | | ... | *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: integer or | | ... | string -| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. +| | ... | - max_rate - Calculated maximal transmit rate [tps]. | | ... | 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: integer -| | ... | - timeout - Fail if search duration is longer [s]. Type: float -| | ... | - doublings - How many doublings to do when expanding [1]. -| | ... | Type: integer -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - latency - True to enable latency measurement; default value: False. -| | ... | Type: boolean +| | ... | - resetter - Callable to reset DUT state before each trial. +| | ... | - transaction_scale - Number of ASTF transaction (zero if unlimited). +| | ... | - transaction_type - String identifier to determine how to count +| | ... | transactions. Default is "packet". | | | | ... | *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} \ -| | ... | \| \${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} | ${traffic_directions}=${2} | ${latency}=${False} -| | -| | ${result} = | Perform optimized ndrpdr search | ${frame_size} -| | ... | ${traffic_profile} | ${10000} | ${max_rate} -| | ... | ${packet_loss_ratio} | ${final_relative_width} -| | ... | ${final_trial_duration} | ${initial_trial_duration} -| | ... | ${number_of_intermediate_phases} | timeout=${timeout} -| | ... | doublings=${doublings} | traffic_directions=${traffic_directions} -| | ... | latency=${latency} +| | ... | \| \${throughpt}= \| Find Throughput Using MLRsearch \| +| | +| | ${max_rate} = | Get Max Rate +| | ${min_rate} = | Get Min Rate +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${resetter} = | Get Resetter +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | ${result} = | Perform optimized ndrpdr search +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | minimum_transmit_rate=${min_rate} +| | ... | maximum_transmit_rate=${max_rate} +| | ... | packet_loss_ratio=${0.0} +| | ... | final_relative_width=${0.001} +| | ... | final_trial_duration=${10.0} +| | ... | initial_trial_duration=${1.0} +| | ... | number_of_intermediate_phases=${1} +| | ... | timeout=${720} +| | ... | doublings=${2} +| | ... | ppta=${ppta} +| | ... | resetter=${resetter} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} +| | ... | use_latency=${use_latency} | | Check NDRPDR interval validity | ${result.pdr_interval} -| | ... | ${packet_loss_ratio} +| | ... | ${0.0} | | Return From Keyword | ${result.pdr_interval.measured_low.target_tr} -| 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 110% of the minimal rate or less. -| | ... | Input rates are understood as uni-directional, -| | ... | reported result contains aggregate rates. -| | ... | Currently, the min_rate value is hardcoded to match test teardowns. -| | -| | ... | *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: integer or -| | ... | string -| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. -| | ... | Type: float -| | -| | ... | *Arguments:* -| | ... | - packet_loss_ratio - Accepted loss during search. Type: float -| | ... | - timeout - Stop when search duration is longer [s]. Type: float -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - latency - True to enable latency measurement; default value: False. -| | ... | Type: boolean -| | -| | ... | *Example:* -| | -| | ... | \| Find critical load using PLR search \| \${1e-7} \| \${120} \ -| | ... | \| \${2} \| -| | -| | [Arguments] | ${packet_loss_ratio}=${1e-7} | ${timeout}=${1800.0} -| | ... | ${traffic_directions}=${2} | ${latency}=${False} -| | -| | ${min_rate} = | Set Variable | ${10000} -| | ${average} | ${stdev} = | Perform soak search | ${frame_size} -| | ... | ${traffic_profile} | ${min_rate} | ${max_rate} -| | ... | ${packet_loss_ratio} | timeout=${timeout} -| | ... | traffic_directions=${traffic_directions} | latency=${latency} -| | ${lower} | ${upper} = | Display result of soak search -| | ... | ${average} | ${stdev} -| | Should Not Be True | 1.1 * ${traffic_directions} * ${min_rate} > ${lower} -| | ... | Lower bound ${lower} too small for unidirectional 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 (for initial packet size). -| | ... | Througput is calculated as: -| | ... | Sum of measured rates over streams -| | ... | Bandwidth is calculated as: -| | ... | (Throughput * (L2 Frame Size + IPG) * 8) -| | ... | 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 -| | ... | - frame_size - 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} \| latency=\${EMPTY} \| -| | -| | [Arguments] | ${text} | ${rate_total} | ${frame_size} | ${latency}=${EMPTY} -| | -| | ${bandwidth_total} = | Evaluate | ${rate_total} * (${frame_size}+20)*8 / 1e9 -| | Set Test Message | ${\n}${text}: ${rate_total} pps, | append=yes -| | Set Test Message | ${bandwidth_total} Gbps (initial) | append=yes -| | Return From Keyword If | not """${latency}""" -| | Set Test Message | ${\n}LATENCY [min/avg/max/hdrh] per stream: ${latency} -| | ... | append=yes - -| 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 - -| Display result of NDRPDR search -| | [Documentation] -| | ... | Display result of NDR+PDR search, both quantities, both bounds, -| | ... | aggregate in packet per seconds -| | ... | and Gbps total bandwidth (for initial packet size). -| | ... | Througput is calculated as: -| | ... | Sum of measured rate over streams -| | ... | Bandwidth is calculated as: -| | ... | (Throughput * (L2 Frame Size + IPG) * 8) -| | ... | 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: integer or -| | ... | string -| | ... | *Arguments:* -| | ... | - result - Measured result data per stream [pps]. Type: NdrPdrResult -| | -| | ... | *Example:* -| | -| | ... | \| Display result of NDRPDR search \| \${result} \| -| | -| | [Arguments] | ${result} -| | -| | ${frame_size} = | Get Average Frame Size | ${frame_size} -| | Display single bound | NDR_LOWER -| | ... | ${result.ndr_interval.measured_low.target_tr} | ${frame_size} -| | ... | ${result.ndr_interval.measured_low.latency} -| | Display single bound | NDR_UPPER -| | ... | ${result.ndr_interval.measured_high.target_tr} | ${frame_size} -| | Display single bound | PDR_LOWER -| | ... | ${result.pdr_interval.measured_low.target_tr} | ${frame_size} -| | ... | ${result.pdr_interval.measured_low.latency} -| | Display single bound | PDR_UPPER -| | ... | ${result.pdr_interval.measured_high.target_tr} | ${frame_size} - -| Display result of soak search -| | [Documentation] -| | ... | Display result of soak search, avg+-stdev, as upper/lower bounds, -| | ... | in aggregate packets per seconds -| | ... | and Gbps total bandwidth (for initial packet size). -| | ... | Througput is calculated as: -| | ... | Sum of measured rates over streams -| | ... | Bandwidth is calculated as: -| | ... | (Throughput * (L2 Frame Size + IPG) * 8) -| | -| | ... | *Test (or broader scope) variables read:* -| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or -| | ... | string -| | ... | *Arguments:* -| | ... | - avg - Estimated average critical load [pps]. Type: float -| | ... | - stdev - Standard deviation of critical load [pps]. Type: float -| | -| | ... | *Returns:* -| | ... | - Lower and upper bound of critical load [pps]. Type: 2-tuple of float -| | -| | ... | *Example:* -| | -| | ... | \| Display result of soak search \| \${100000} \| \${100} \| -| | -| | [Arguments] | ${avg} | ${stdev} -| | -| | ${frame_size} = | Get Average Frame Size | ${frame_size} -| | ${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} | ${frame_size} -| | Display single bound | PLRsearch upper bound | ${upper} | ${frame_size} -| | Return From Keyword | ${lower} | ${upper} - -| Check NDRPDR interval validity +| Measure and show latency at specified rate | | [Documentation] -| | ... | Extract loss ratio of lower bound of the interval. -| | ... | Fail if it does not reach the allowed value. +| | ... | Send traffic at specified rate, single trial. +| | ... | Extract latency information and append it to text message. +| | ... | The rate argument is int, so should not include "pps". +| | ... | If the given rate is too low, a safe value is used instead. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. | | | | ... | *Arguments:* -| | ... | - interval - Measured interval. Type: ReceiveRateInterval -| | ... | - packet_loss_ratio - Accepted loss (0.0 for NDR). Type: float +| | ... | - message_prefix - Preface to test message addition. Type: string +| | ... | - rate - Rate [tps] for sending packets. +| | ... | 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} +| | ... | \| Measure and show latency at specified rate \| Latency at 90% NDR \ +| | ... | \| ${10000000} \| +| | +| | [Arguments] | ${message_prefix} | ${rate} +| | +| | ${min_rate} = | Get Min Rate +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${real_rate} = | Evaluate | max(${rate}, ${min_rate}) +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | Call Resetter +| | Send traffic on tg +| | ... | duration=${PERF_TRIAL_LATENCY_DURATION} +| | ... | rate=${real_rate} +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | async_call=${False} +| | ... | duration_limit=${PERF_TRIAL_LATENCY_DURATION} +| | ... | ppta=${ppta} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} +| | ... | use_latency=${True} +| | ${latency} = | Get Latency Int +| | Set Test Message | ${\n}${message_prefix} ${latency} | append=${True} -| Traffic should pass with maximum rate +| Send ramp-up traffic | | [Documentation] -| | ... | Send traffic at maximum rate. +| | ... | Do nothing unless positive ramp-up duration is specified. +| | ... | Else perform one trial with appropriate rate and duration. +| | ... | This is useful for tests that set DUT state via traffic. +| | ... | Rate has to bee low enough so packets are not lost, +| | ... | Duration has to be long enough to set all the state. +| | ... | The trial results are discarded. | | | | ... | *Test (or broader scope) variables read:* | | ... | - traffic_profile - Name of module defining traffic for measurements. | | ... | Type: string | | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or | | ... | string -| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. +| | ... | - ramp_up_duration - Suitable traffic duration [s]. | | ... | Type: float -| | -| | ... | *Arguments:* -| | ... | - trial_duration - Duration of single trial [s]. Type: float -| | ... | - fail_no_traffic - Whether to fail on zero receive count; -| | ... | default value: True. Type: boolean -| | ... | - trial_multiplicity - How many trials in this measurement. -| | ... | Type: integer -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic; -| | ... | default value: 2. Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG; default value: 1. Type: integer -| | ... | - latency - True to enable latency measurement; default value: False. -| | ... | Type: boolean +| | ... | - ramp_up_rate - Suitable transmit rate [tps]. +| | ... | Type: float +| | ... | - transaction_type - String identifier to determine how to count +| | ... | transactions. Default is "packet". | | | | ... | *Example:* | | -| | ... | \| Traffic should pass with maximum rate \| \${1} \| \${False} \ -| | ... | \| \${10.0} \| \${2} \| \${0} \| \${1} \| \${True} \| -| | -| | [Arguments] | ${trial_duration}=${trial_duration} -| | ... | ${fail_no_traffic}=${True} -| | ... | ${trial_multiplicity}=${trial_multiplicity} -| | ... | ${traffic_directions}=${2} | ${tx_port}=${0} | ${rx_port}=${1} -| | ... | ${latency}=${False} -| | -| | ${results}= | Send traffic at specified rate -| | ... | ${trial_duration} | ${max_rate} | ${frame_size} -| | ... | ${traffic_profile} | ${trial_multiplicity} -| | ... | ${traffic_directions} | ${tx_port} | ${rx_port} | latency=${latency} -| | Set Test Message | ${\n}Maximum Receive Rate trial results -| | Set Test Message | in packets per second: ${results} -| | ... | append=yes -| | Run Keyword If | ${fail_no_traffic} | Fail if no traffic forwarded +| | ... | \| Send ramp-up traffic \| +| | +| | ${ramp_up_duration} = | Get Ramp Up Duration +| | Run Keyword Unless | ${ramp_up_duration} > 0.0 | Return From Keyword +| | ${ramp_up_rate} = | Get Ramp Up Rate +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | Send traffic on tg +| | ... | duration=${ramp_up_duration} +| | ... | rate=${ramp_up_rate} +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | async_call=${False} +| | ... | duration_limit=${0.0} +| | ... | ppta=${ppta} +| | ... | use_latency=${use_latency} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} | Send traffic at specified rate | | [Documentation] @@ -428,178 +385,62 @@ | | ... | Then send traffic at specified rate, possibly multiple trials. | | ... | Show various DUT stats, optionally also packet trace. | | ... | Return list of measured receive rates. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. | | | | ... | *Arguments:* | | ... | - trial_duration - Duration of single trial [s]. Type: float -| | ... | - rate - Target aggregate transmit rate [pps] / Connections per second -| | ... | (CPS) for UDP/TCP flows. Type: float -| | ... | - frame_size - L2 Frame Size [B]. Type: integer or string -| | ... | - traffic_profile - Name of module defining traffc for measurements. +| | ... | - rate - Target transmit rate [tps]. Type: float | | ... | Type: string | | ... | - trial_multiplicity - How many trials in this measurement. -| | ... | Type: integer -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG; default value: 1. Type: integer -| | ... | - extended_debug - True to enable extended debug. | | ... | Type: boolean -| | ... | - latency - True to enable latency measurement; default value: False. +| | ... | - use_latency - Use latency stream in search; default value: False. | | ... | Type: boolean +| | ... | - duration_limit - Hard limit for trial duration, overriding duration +| | ... | computed from transaction_scale. Default 0.0 means no limit. | | | | ... | *Example:* | | | | ... | \| Send traffic at specified rate \| \${1.0} \| ${4000000.0} \ -| | ... | \| \${64} \| 3-node-IPv4 \| \${10} \| \${2} \| \${0} \| \${1} \ -| | ... | \| ${False} \| ${True} \| +| | ... | \| \${10} \| ${False} \| ${1.0} \| | | -| | [Arguments] | ${trial_duration} | ${rate} | ${frame_size} -| | ... | ${traffic_profile} | ${trial_multiplicity}=${trial_multiplicity} -| | ... | ${traffic_directions}=${2} | ${tx_port}=${0} | ${rx_port}=${1} -| | ... | ${extended_debug}=${extended_debug} | ${latency}=${False} -| | -| | Set Test Variable | ${extended_debug} -| | # Following setting of test variables is needed for some pre_stats actions. -| | Set Test Variable | ${rate} -| | Set Test Variable | ${traffic_directions} -| | Set Test Variable | ${tx_port} -| | Set Test Variable | ${rx_port} +| | [Arguments] | ${trial_duration} | ${rate} | ${trial_multiplicity} +| | ... | ${use_latency}=${False} | ${duration_limit}=${0.0} | | +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | Set Test Variable | \${rate_for_teardown} | ${rate} | | FOR | ${action} | IN | @{pre_stats} | | | Run Keyword | Additional Statistics Action For ${action} | | END | | ${results} = | Create List | | FOR | ${i} | IN RANGE | ${trial_multiplicity} -| | | # The following line is skipping some default arguments, -| | | # that is why subsequent arguments have to be named. +| | | Call Resetter | | | Send traffic on tg -| | | ... | ${trial_duration} | ${rate} | ${frame_size} | ${traffic_profile} -| | | ... | warmup_time=${0} | traffic_directions=${traffic_directions} -| | | ... | tx_port=${tx_port} | rx_port=${rx_port} | latency=${latency} -| | | ${rx} = | Get Received -| | | ${rr} = | Evaluate | ${rx} / ${trial_duration} -| | | Append To List | ${results} | ${rr} +| | | ... | duration=${trial_duration} +| | | ... | rate=${rate} +| | | ... | frame_size=${frame_size} +| | | ... | traffic_profile=${traffic_profile} +| | | ... | async_call=${False} +| | | ... | duration_limit=${duration_limit} +| | | ... | ppta=${ppta} +| | | ... | traffic_directions=${traffic_directions} +| | | ... | transaction_duration=${transaction_duration} +| | | ... | transaction_scale=${transaction_scale} +| | | ... | transaction_type=${transaction_type} +| | | ... | use_latency=${use_latency} +| | | ${result}= | Get Measurement Result +| | | # Out of several quantities for aborted traffic (duration stretching), +| | | # the approximated receive rate is the best estimate we have. +| | | Append To List | ${results} | ${result.approximated_receive_rate} | | END | | FOR | ${action} | IN | @{post_stats} | | | Run Keyword | Additional Statistics Action For ${action} | | END | | Return From Keyword | ${results} -| Measure and show latency at specified rate -| | [Documentation] -| | ... | Send traffic at specified rate, single trial. -| | ... | Extract latency information and append it to text message. -| | ... | The rate argument is int, so should not include "pps". -| | ... | If the given rate is too low, a safe value is used instead. -| | -| | ... | *Arguments:* -| | ... | - message_prefix - Preface to test message addition. Type: string -| | ... | - trial_duration - Duration of single trial [s]. Type: float -| | ... | - rate - Rate [pps] for sending packets in case of T-Rex stateless -| | ... | mode or multiplier of profile CPS in case of T-Rex astf mode. -| | ... | Type: float -| | ... | - frame_size - L2 Frame Size [B]. Type: integer or string -| | ... | - traffic_profile - Name of module defining traffic for measurements. -| | ... | Type: string -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG; default value: 1. Type: integer -| | ... | - safe_rate - To apply if rate is below this, as latency pps is fixed. -| | ... | In pps. Type: integer. -| | -| | ... | *Example:* -| | -| | ... | \| Measure and show latency at specified rate \| Latency at 90% NDR \ -| | ... | \| \${1.0} \| ${10000000} \| \${64} \| 3-node-IPv4 \| \${2} \ -| | ... | \| \${0} \| \${1} \| ${9500} \| -| | -| | [Arguments] | ${message_prefix} | ${trial_duration} | ${rate} -| | ... | ${frame_size} | ${traffic_profile} | ${traffic_directions}=${2} -| | ... | ${tx_port}=${0} | ${rx_port}=${1} | ${safe_rate}=${9001} -| | -| | ${real_rate} = | Evaluate | max(${rate}, ${safe_rate}) -| | # The following line is skipping some default arguments, -| | # that is why subsequent arguments have to be named. -| | Send traffic on tg | ${trial_duration} | ${real_rate} | ${frame_size} -| | ... | ${traffic_profile} | warmup_time=${0} -| | ... | traffic_directions=${traffic_directions} | tx_port=${tx_port} -| | ... | rx_port=${rx_port} | latency=${True} -| | ${latency} = | Get Latency Int -| | Set Test Message | ${\n}${message_prefix} ${latency} | append=${True} - -| 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 [pps] for sending packets in case of T-Rex stateless -| | ... | mode or multiplier of profile CPS in case of T-Rex astf mode. -| | ... | Type: float -| | ... | - frame_size - L2 Frame Size [B] or IMIX_v4_1. Type: integer or string -| | ... | - traffic_profile - Name of module defining traffc for measurements. -| | ... | Type: string -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG, default value: 1. Type: integer -| | -| | ... | *Example:* -| | -| | ... | \| Clear and show runtime counters with running traffic \| \${10} \ -| | ... | \| ${4000000.0} \| \${64} \| 3-node-IPv4 \| \${2} \| \${0} \| \${1} \| -| | -| | [Arguments] | ${duration} | ${rate} | ${frame_size} | ${traffic_profile} -| | ... | ${traffic_directions}=${2} | ${tx_port}=${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} -| | ... | traffic_directions=${traffic_directions} | tx_port=${tx_port} -| | ... | rx_port=${rx_port} -| | FOR | ${action} | IN | @{pre_run_stats} -| | | Run Keyword | Additional Statistics Action For ${action} -| | END -| | Sleep | ${duration} -| | FOR | ${action} | IN | @{post_run_stats} -| | | Run Keyword | Additional Statistics Action For ${action} -| | END -| | Stop traffic on tg - -| Send ramp-up traffic -| | [Documentation] -| | ... | Start ramp-up traffic at specified rate for defined duration. -| | -| | ... | *Arguments:* -| | ... | - duration - Duration of traffic run [s]. Type: integer -| | ... | - rate - Rate [pps] for sending packets in case of T-Rex stateless -| | ... | mode or multiplier of profile CPS in case of T-Rex astf mode. -| | ... | Type: float -| | ... | - frame_size - L2 Frame Size [B] or IMIX_v4_1. Type: integer or string -| | ... | - traffic_profile - Name of module defining traffc for measurements. -| | ... | Type: string -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG, default value: 1. Type: integer -| | -| | ... | *Example:* -| | -| | ... | \| Send ramp-up traffic \| \${10} \| ${400000.0} \| ${64} \ -| | ... | \| ${2} \| ${0} \| ${1} \| -| | -| | [Arguments] | ${duration}=${ramp_up_duration} | ${rate}=${ramp_up_rate} -| | ... | ${frame_size}=${frame_size} | ${traffic_profile}=${traffic_profile} -| | ... | ${traffic_directions}=${2} | ${tx_port}=${0} | ${rx_port}=${1} -| | -| | Send traffic on tg -| | ... | ${duration} | ${rate} | ${frame_size} | ${traffic_profile} -| | ... | warmup_time=${0} | traffic_directions=${traffic_directions} -| | ... | tx_port=${tx_port} | rx_port=${rx_port} | latency=${False} - | Start Traffic on Background | | [Documentation] | | ... | Start traffic at specified rate then return control to Robot. @@ -612,27 +453,36 @@ | | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or | | ... | string | | ... | *Arguments:* -| | ... | - rate - Rate [pps] for sending packets in case of T-Rex stateless -| | ... | mode or multiplier of profile CPS in case of T-Rex astf mode. +| | ... | - rate - Rate [tps] for sending packets. | | ... | Type: float -| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic. -| | ... | Type: integer -| | ... | - tx_port - TX port of TG; default value: 0. Type: integer -| | ... | - rx_port - RX port of TG; default value: 1. Type: integer | | | | ... | *Example:* | | -| | ... | \| Start Traffic on Background \| ${4000000.0} \| \${2} \| \${0} \ -| | ... | \| \${1} \| +| | ... | \| Start Traffic on Background \| ${4000000.0} \| | | -| | [Arguments] | ${rate} | ${traffic_directions}=${2} | ${tx_port}=${0} -| | ... | ${rx_port}=${1} +| | [Arguments] | ${rate} | | +| | ${ppta} = | Get Packets Per Transaction Aggregated +| | ${traffic_directions} = | Get Traffic Directions +| | ${transaction_duration} = | Get Transaction Duration +| | ${transaction_scale} = | Get Transaction Scale +| | ${transaction_type} = | Get Transaction Type +| | ${use_latency} = | Get Use Latency +| | Call Resetter | | # 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} -| | ... | traffic_directions=${traffic_directions} | tx_port=${tx_port} -| | ... | rx_port=${rx_port} +| | Send traffic on tg +| | ... | duration=${-1} +| | ... | rate=${rate} +| | ... | frame_size=${frame_size} +| | ... | traffic_profile=${traffic_profile} +| | ... | async_call=${True} +| | ... | duration_limit=${0.0} +| | ... | ppta=${ppta} +| | ... | traffic_directions=${traffic_directions} +| | ... | transaction_duration=${transaction_duration} +| | ... | transaction_scale=${transaction_scale} +| | ... | transaction_type=${transaction_type} +| | ... | use_latency=${use_latency} | Stop Running Traffic | | [Documentation] @@ -649,75 +499,41 @@ | | ${result}= | Stop traffic on tg | | Return From Keyword | ${result} -| Additional Statistics Action For vpp-clear-stats -| | [Documentation] -| | ... | Additional Statistics Action for clear VPP statistics. -| | -| | Clear Statistics On All DUTs | ${nodes} - -| Additional Statistics Action For vpp-show-stats -| | [Documentation] -| | ... | Additional Statistics Action for show VPP statistics. -| | -| | Show Statistics On All DUTs | ${nodes} - -| Additional Statistics Action For vpp-clear-runtime -| | [Documentation] -| | ... | Additional Statistics Action for clear VPP runtime. -| | -| | VPP Clear Runtime On All DUTs | ${nodes} - -| Additional Statistics Action For vpp-show-runtime -| | [Documentation] -| | ... | Additional Statistics Action for show VPP runtime. -| | -| | VPP Show Runtime On All DUTs | ${nodes} - -| Additional Statistics Action For vpp-enable-packettrace -| | [Documentation] -| | ... | Additional Statistics Action for enable VPP packet trace. -| | -| | Run Keyword If | ${extended_debug}==${True} -| | ... | VPP Enable Traces On All DUTs | ${nodes} | fail_on_error=${False} - -| Additional Statistics Action For vpp-show-packettrace -| | [Documentation] -| | ... | Additional Statistics Action for show VPP packet trace. -| | -| | Run Keyword If | ${extended_debug}==${True} -| | ... | Show Packet Trace On All Duts | ${nodes} | maximum=${100} - -| Additional Statistics Action For vpp-enable-elog -| | [Documentation] -| | ... | Additional Statistics Action for enable VPP elog trace. -| | -| | VPP Enable Elog Traces On All DUTs | ${nodes} - -| Additional Statistics Action For vpp-show-elog -| | [Documentation] -| | ... | Additional Statistics Action for show VPP elog trace. -| | -| | Show Event Logger On All DUTs | ${nodes} - -| Additional Statistics Action For bash-perf-stat +| Traffic should pass with maximum rate | | [Documentation] -| | ... | Additional Statistics Action for bash command "perf stat". +| | ... | Send traffic at maximum rate. +| | ... | Call \${resetter} (if defined) to reset DUT state before each trial. +| | ... | Fail if no packets were forwarded. | | -| | Run Keyword If | ${extended_debug}==${True} -| | ... | Perf Stat On All DUTs | ${nodes} | cpu_list=${cpu_alloc_str} - -| Additional Statistics Action For clear-show-runtime-with-traffic -| | [Documentation] -| | ... | Additional Statistics Action for clear and show runtime counters with -| | ... | running traffic. +| | ... | *Test (or broader scope) variables read:* +| | ... | - traffic_profile - Name of module defining traffic for measurements. +| | ... | Type: string +| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or +| | ... | string +| | ... | - max_rate - Calculated maximal transmit rate [tps]. +| | ... | Type: float +| | ... | - transaction_type - String identifier to determine how to count +| | ... | transactions. Default is "packet". | | -| | Clear and show runtime counters with running traffic -| | ... | ${trial_duration} | ${rate} -| | ... | ${frame_size} | ${traffic_profile} | ${traffic_directions} -| | ... | ${tx_port} | ${rx_port} - -| Additional Statistics Action For noop -| | [Documentation] -| | ... | Additional Statistics Action for no operation. +| | ... | *Example:* | | -| | No operation +| | ... | \| Traffic should pass with maximum rate \| +| | +| | ${max_rate} = | Get Max Rate +| | ${transaction_type} = | Get Transaction Type +| | ${trial_duration} = | Get Mrr Trial Duration +| | ${trial_multiplicity} = | Get Mrr Trial Multiplicity +| | ${use_latency} = | Get Use Latency +| | # The following also sets \${rate_for_teardown} +| | ${results} = | Send traffic at specified rate +| | ... | rate=${max_rate} +| | ... | trial_duration=${trial_duration} +| | ... | trial_multiplicity=${trial_multiplicity} +| | ... | use_latency=${use_latency} +| | ... | duration_limit=${0.0} +| | ${unit} = | Set Variable If | """_cps""" in """${transaction_type}""" +| | ... | estimated connections per second | packets per second +| | Set Test Message | ${\n}Maximum Receive Rate trial results +| | Set Test Message | in ${unit}: ${results} +| | ... | append=yes +| | Fail if no traffic forwarded |