| | ... | 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 drop fraction.
+| | ... | Fail if a resulting lower bound has too high loss fraction.
| | ... | Proceed with Perform additional measurements based on NDRPDR result.
| | ... | 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
-| | ... | - fail_rate - Lower limit of search [pps]. Type: float
-| | ... | - line_rate - Upper limit of search [pps]. Type: float
-| | ... | - allowed_drop_fraction - Accepted loss during search. Type: float
+| | ... | - 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
| | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${0.005} \| \${0.005} \
| | ... | \| \${30.0} \| \${1.0} \| \${2} \| ${600.0}
| | ...
-| | [Arguments] | ${frame_size} | ${topology_type} | ${fail_rate} | ${line_rate}
-| | ... | ${allowed_drop_fraction}=${0.005} | ${final_relative_width}=${0.005}
-| | ... | ${final_trial_duration}=${30.0} | ${initial_trial_duration}=${1.0}
-| | ... | ${intermediate_phases}=${2} | ${timeout}=${600.0}
+| | [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} | ${timeout}=${600.0}
| | ...
| | ${result}= | Perform optimized ndrpdr search | ${frame_size}
-| | ... | ${topology_type} | ${fail_rate} | ${line_rate}
-| | ... | ${allowed_drop_fraction} | ${final_relative_width}
+| | ... | ${topology_type} | ${minimum_transmit_rate} | ${maximum_transmit_rate}
+| | ... | ${packet_loss_ratio} | ${final_relative_width}
| | ... | ${final_trial_duration} | ${initial_trial_duration}
-| | ... | ${intermediate_phases} | timeout=${timeout}
+| | ... | ${number_of_intermediate_phases} | timeout=${timeout}
| | Display result of NDRPDR search | ${result} | ${frame_size}
| | Check NDRPDR interval validity | ${result.pdr_interval}
-| | ... | ${allowed_drop_fraction}
+| | ... | ${packet_loss_ratio}
| | Check NDRPDR interval validity | ${result.ndr_interval}
| | Perform additional measurements based on NDRPDR result
| | ... | ${result} | ${frame_size} | ${topology_type}
| | [Arguments] | ${text} | ${rate_total} | ${framesize} | ${latency}=${EMPTY}
| | ...
| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
-| | Set Test Message | ${\n}${text} | append=yes
-| | Set Test Message | ${\n}RATE: ${rate_total} pps | append=yes
-| | Set Test Message | ${\n}BANDWIDTH: ${bandwidth_total} Gbps (untagged)
-| | ... | append=yes
+| | 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
| | [Arguments] | ${result} | ${framesize}
| | ...
| | ${framesize}= | Get Frame Size | ${framesize}
-| | Set Test Message | NDR+PDR search results:
-| | Display single bound | NDR lower bound
+| | Display single bound | NDR_LOWER
| | ... | ${result.ndr_interval.measured_low.transmit_rate} | ${framesize}
| | ... | ${result.ndr_interval.measured_low.latency}
-| | Display single bound | NDR upper bound
+| | Display single bound | NDR_UPPER
| | ... | ${result.ndr_interval.measured_high.transmit_rate} | ${framesize}
-| | Display single bound | PDR lower bound
+| | Display single bound | PDR_LOWER
| | ... | ${result.pdr_interval.measured_low.transmit_rate} | ${framesize}
| | ... | ${result.pdr_interval.measured_low.latency}
-| | Display single bound | PDR upper bound
+| | Display single bound | PDR_UPPER
| | ... | ${result.pdr_interval.measured_high.transmit_rate} | ${framesize}
| Check NDRPDR interval validity
| | [Documentation]
-| | ... | Extract drop fraction of lower bound of the interval.
+| | ... | Extract loss ratio of lower bound of the interval.
| | ... | Fail if it does not reach the allowed value.
| | ...
| | ... | *Arguments:*
| | ... | - interval - Measured interval. Type: ReceiveRateInterval
-| | ... | - allowed_drop_fraction - Accepted loss (0.0 for NDR). Type: float
+| | ... | - packet_loss_ratio - Accepted loss (0.0 for NDR). Type: float
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Check NDRPDR interval validity \| \${result.pdr_interval} \
| | ... | \| \${0.005}
| | ...
-| | [Arguments] | ${interval} | ${allowed_drop_fraction}=${0.0}
+| | [Arguments] | ${interval} | ${packet_loss_ratio}=${0.0}
| | ...
-| | ${lower_bound_df}= | Set Variable | ${interval.measured_low.drop_fraction}
-| | Return From Keyword If | ${lower_bound_df} <= ${allowed_drop_fraction}
+| | ${lower_bound_lf}= | Set Variable | ${interval.measured_low.loss_fraction}
+| | Return From Keyword If | ${lower_bound_lf} <= ${packet_loss_ratio}
| | ${messagge}= | Catenate | SEPARATOR=${SPACE}
-| | ... | Lower bound fraction ${lower_bound_df}
-| | ... | does not reach ${allowed_drop_fraction}.
+| | ... | Lower bound fraction ${lower_bound_lf}
+| | ... | does not reach ${packet_loss_ratio}.
| | Fail | ${message}
| Perform additional measurements based on NDRPDR result
| | ... | ${\n}LOSS_ACCEPTANCE: ${loss_acceptance} ${loss_acceptance_type}
| | ... | append=yes
-| Display raw results
-| | [Documentation]
-| | ... | Display raw results from TG in total received/send packets over trial
-| | ... | duration in seconds.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - results - Measured results. Type: string
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Display raw results \| 64 \| results \|
-| | ...
-| | [Arguments] | ${framesize} | ${results}
-| | ...
-| | ${framesize}= | Get Frame Size | ${framesize}
-| | @{tokens}= | Split String | ${results} | ,
-| | @{received}= | Split String | @{tokens}[1] | =
-| | @{sent}= | Split String | @{tokens}[2] | =
-| | ${total_received} = | Set Variable | @{received}[1]
-| | ${total_sent} = | Set Variable | @{sent}[1]
-| | Set Test Message | MaxReceivedRate_Results [pkts/${perf_trial_duration}sec]:
-| | Set Test Message | tx ${total_sent}, rx ${total_received} | append=yes
-
| Measure latency pps
| | [Documentation]
| | ... | Send traffic at specified rate. Measure min/avg/max latency
| | ... | Send traffic at maximum rate.
| | ...
| | ... | *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
-| | ... | Type: boolean
+| | ... | - 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
| | ...
| | ... | *Example:*
| | ...
-| | ... | \| Traffic should pass with no loss \| 10 \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \|
+| | ... | \| Traffic should pass with maximum rate \| 4.0mpps \| 64 \
+| | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} | ${False}
| | ...
-| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
+| | [Arguments] | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${trial_duration}=${perf_trial_duration} | ${fail_no_traffic}=${True}
+| | ... | ${subsamples}=${perf_trial_multiplicity}
| | ...
-| | ${results}= | Send traffic at specified rate | ${duration} | ${rate}
-| | ... | ${framesize} | ${topology_type}
-| | Display raw results | ${framesize} | ${results}
+| | ${results} = | Send traffic at specified rate | ${trial_duration} | ${rate}
+| | ... | ${framesize} | ${topology_type} | ${subsamples}
+| | 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:*
-| | ... | - duration - Duration of traffic run [s]. Type: integer
+| | ... | - 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
-| | ... | Type: boolean
+| | ... | - subsamples - How many trials in this measurement. Type: int
| | ...
| | ... | *Example:*
| | ...
-| | ... | \| Send traffic at specific rate \| 10 \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \|
+| | ... | \| Send traffic at specified rate \| ${1.0} \| 4.0mpps \| 64 \
+| | ... | \| 3-node-IPv4 \| ${10}
| | ...
-| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
+| | [Arguments] | ${trial_duration} | ${rate} | ${framesize}
+| | ... | ${topology_type} | ${subsamples}=${1}
| | ...
-| | Clear and show runtime counters with running traffic | ${duration}
+| | Clear and show runtime counters with running traffic | ${trial_duration}
| | ... | ${rate} | ${framesize} | ${topology_type}
| | 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}
-| | ${results} = | Send traffic on tg | ${duration} | ${rate} | ${framesize}
-| | ... | ${topology_type} | warmup_time=0
-| | Run Keyword If | ${dut_stats}==${True} | Show statistics on all DUTs | ${nodes}
+| | ${results} = | Create List
+| | :FOR | ${i} | IN RANGE | ${subsamples}
+| | | Send traffic on tg | ${trial_duration} | ${rate} | ${framesize}
+| | | ... | ${topology_type} | warmup_time=0
+| | | ${rx} = | Get Received
+| | | ${rr} = | Evaluate | ${rx} / ${trial_duration}
+| | | Append To List | ${results} | ${rr}
+| | 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}
Code Review / csit.git / blobdiff