| | ${average} | ${stdev} = | Perform soak search
| | ... | frame_size=${frame_size}
| | ... | traffic_profile=${traffic_profile}
-| | ... | minimum_transmit_rate=${min_rate_soft}
-| | ... | maximum_transmit_rate=${max_rate}
+| | ... | min_load=${min_rate_soft}
+| | ... | max_load=${max_rate}
| | ... | plr_target=${1e-7}
| | ... | tdpt=${0.1}
| | ... | initial_count=${50}
| | Set Test Variable | \${rate for teardown} | ${lower}
| | # Stats at the discovered critical rate.
| | Set Test Variable | ${telemetry_rate} | plr
+| | Set Test Variable | ${telemetry_export} | ${True}
| | Send traffic at specified rate
| | ... | rate=${lower}
| | ... | trial_duration=${1.0}
| | ... | - traffic_profile - Name of module defining traffc for measurements.
| | ... | Type: string
| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or
-| | ... | string
+| | ... | string.
| | ... | - max_rate - Calculated maximal unidirectional transmit rate [tps].
| | ... | Type: float
| | ... | - resetter - Callable to reset DUT state before each trial.
| | ${disable_latency} = | Get Disable Latency
| | ${max_rate} = | Get Max Rate
| | ${min_rate_soft} = | Get Min Rate Soft
-| | # \${packet_loss_ratio} is used twice so it is worth a variable.
-| | ${packet_loss_ratio} = | Get Packet Loss Ratio
+| | ${loss_ratio} = | Get Packet Loss Ratio
| | ${ppta} = | Get Packets Per Transaction Aggregated
| | ${ramp_up_duration} = | Get Ramp Up Duration
| | ${ramp_up_rate} = | Get Ramp Up Rate
| | ${transaction_scale} = | Get Transaction Scale
| | ${transaction_type} = | Get Transaction Type
| | ${use_latency} = | Get Use Latency
-| | ${result} = | Perform optimized ndrpdr search
+| | ${result} = | Perform MLR Search
| | ... | frame_size=${frame_size}
| | ... | traffic_profile=${traffic_profile}
-| | ... | minimum_transmit_rate=${min_rate_soft}
-| | ... | maximum_transmit_rate=${max_rate}
-| | ... | packet_loss_ratio=${packet_loss_ratio}
-| | ... | final_relative_width=${0.005}
-| | ... | final_trial_duration=${30.0}
+| | ... | min_load=${min_rate_soft}
+| | ... | max_load=${max_rate}
+| | ... | loss_ratio=${loss_ratio}
+| | ... | relative_width=${0.005}
| | ... | initial_trial_duration=${1.0}
-| | ... | number_of_intermediate_phases=${2}
-| | ... | timeout=${1200.0}
+| | ... | final_trial_duration=${1.0}
+| | ... | duration_sum=${21.0}
+| | ... | preceding_targets=${2}
+| | ... | search_duration_max=${1200.0}
| | ... | ppta=${ppta}
| | ... | resetter=${resetter}
| | ... | traffic_directions=${traffic_directions}
| | ... | use_latency=${use_latency}
| | ... | ramp_up_duration=${ramp_up_duration}
| | ... | ramp_up_rate=${ramp_up_rate}
-| | Display result of NDRPDR search | ${result}
-| | Check NDRPDR interval validity | ${result[1]}
-| | ... | ${packet_loss_ratio}
-| | Check NDRPDR interval validity | ${result[0]}
-| | ${pdr} = | Set Variable | ${result[1].measured_low.target_tr}
-| | ${ndr} = | Set Variable | ${result[0].measured_low.target_tr}
-| | # We expect NDR and PDR to have different-looking stats.
+| | ${ndr} | ${pdr} = | Display result of NDRPDR search | ${result}
+| | # We expect NDR and PDR to have different-looking telemetry.
| | Set Test Variable | ${telemetry_rate} | pdr
+| | Set Test Variable | ${telemetry_export} | ${True}
| | Send traffic at specified rate
| | ... | rate=${pdr}
| | ... | trial_duration=${1.0}
| | ... | use_latency=${use_latency}
| | ... | duration_limit=${1.0}
| | Set Test Variable | ${telemetry_rate} | ndr
+| | Set Test Variable | ${telemetry_export} | ${True}
| | Run Keyword If | ${ndr} != ${pdr}
| | ... | Send traffic at specified rate
| | ... | rate=${ndr}
| | ${transaction_scale} = | Get Transaction Scale
| | ${transaction_type} = | Get Transaction Type
| | ${use_latency} = | Get Use Latency
-| | ${result} = | Perform optimized ndrpdr search
+| | ${result} = | Perform MLR Search
| | ... | frame_size=${frame_size}
| | ... | traffic_profile=${traffic_profile}
-| | ... | minimum_transmit_rate=${min_rate_soft}
-| | ... | maximum_transmit_rate=${max_rate}
-| | ... | packet_loss_ratio=${0.0}
-| | ... | final_relative_width=${0.001}
-| | ... | final_trial_duration=${10.0}
+| | ... | min_load=${min_rate_soft}
+| | ... | max_load=${max_rate}
+| | ... | loss_ratio=${0.0}
+| | ... | relative_width=${0.001}
| | ... | initial_trial_duration=${1.0}
-| | ... | number_of_intermediate_phases=${1}
-| | ... | timeout=${1200}
+| | ... | final_trial_duration=${1.0}
+| | ... | duration_sum=${11.0}
+| | ... | preceding_targets=${1}
+| | ... | search_duration_max=${1200}
| | ... | ppta=${ppta}
| | ... | resetter=${resetter}
| | ... | traffic_directions=${traffic_directions}
| | ... | use_latency=${use_latency}
| | ... | ramp_up_duration=${ramp_up_duration}
| | ... | ramp_up_rate=${ramp_up_rate}
-| | Check NDRPDR interval validity | ${result[0]}
-| | Return From Keyword | ${result[0].measured_low.target_tr}
+| | ${ret} = | Convert To Number | ${result[0].relevant_lower_bound}
+| | Return From Keyword | ${ret}
| Measure and show latency at specified rate
| | [Documentation]
| | | ... | ramp_up_rate=${ramp_up_rate}
| | | # Out of several quantities for aborted traffic (duration stretching),
| | | # the approximated receive rate is the best estimate we have.
-| | | ${value} = | Set Variable | ${result.approximated_receive_rate}
-| | | # TODO: Add correct bandwidth computation.
-| | | Append Mrr Value | ${value} | ${export_mrr_unit}
+| | | ${value} = | Set Variable | ${result.forwarding_count}
+| | | ${value} = | Evaluate | ${value} / ${result.offered_duration}
+| | | ${bandwidth} | ${pps} = | Compute Bandwidth | ${value} / ${ppta}
+| | | Append Mrr Value | ${value} | ${export_mrr_unit} | ${bandwidth * 1e9}
| | | Append To List | ${results} | ${value}
| | END
| | FOR | ${action} | IN | @{stat_post_trial}
| | ... | ${traffic_directions}=${1}
| |
| | Set Test Variable | ${telemetry_rate} | mrr
+| | Set Test Variable | ${telemetry_export} | ${True}
| | ${results}= | Send iPerf3 traffic at specified rate
| | ... | ${trial_duration} | ${None} | ${None}
| | ... | ${trial_multiplicity} | ${traffic_directions}
+| | ... | export_mrr_unit=bps
| | Set Test Message | ${\n}iPerf3 trial results
| | Set Test Message | in Gbits per second: ${results}
| | ... | append=yes
| | ... | Type: integer
| | ... | - extended_debug - True to enable extended debug.
| | ... | Type: boolean
+| | ... | - export_mrr_unit - Use this unit when exporting MRR values,
+| | ... | or empty string for no export.
+| | ... | Type: string
| |
| | ... | *Example:*
| |
| | [Arguments] | ${trial_duration} | ${rate} | ${frame_size}
| | ... | ${trial_multiplicity}=${trial_multiplicity}
| | ... | ${traffic_directions}=${1} | ${extended_debug}=${extended_debug}
+| | ... | ${export_mrr_unit}=${Empty}
| |
| | Set Test Variable | ${extended_debug}
| | Set Test Variable | ${rate}
| | | ... | bind=${iperf_client_bind}
| | | ... | affinity=${iperf_client_affinity}
| | | ${conv} = | Convert To Number | ${rr['sum_received']['bits_per_second']}
+| | | Append Mrr Value | ${conv} | ${export_mrr_unit}
| | | ${conv} = | Evaluate | ${conv} / ${1000} / ${1000} / ${1000}
| | | ${conv} = | Evaluate | "{:.3f}".format(${conv})
| | | Append To List
| |
| | ... | \| Traffic should pass with maximum rate \|
| |
+| | Set Test Variable | ${telemetry_rate} | mrr
+| | Set Test Variable | ${telemetry_export} | ${True}
| | ${max_rate} = | Get Max Rate
| | ${transaction_type} = | Get Transaction Type
| | ${trial_duration} = | Get Mrr Trial Duration
| | ${use_latency} = | Get Use Latency
| | ${unit} = | Set Variable If | """_cps""" in """${transaction_type}"""
| | ... | cps | pps
-| | # The following also sets \${rate_for_teardown}
-| | Set Test Variable | ${telemetry_rate} | mrr
| | ${results} = | Send traffic at specified rate
| | ... | rate=${max_rate}
| | ... | trial_duration=${trial_duration}