X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Frobot%2Fperformance%2Fperformance_utils.robot;h=b98d103bebe021672cc792d863399d488cc14cb5;hp=1be3119713c4c9722c850495156fc7b35ac9d7a4;hb=27a56cad3679e4decbcca90acfb22c55a22153e0;hpb=c59ec1c80ce4292115004fc2182fac088f803c72

diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot
index 1be3119713..b98d103beb 100644
--- a/resources/libraries/robot/performance/performance_utils.robot
+++ b/resources/libraries/robot/performance/performance_utils.robot
@@ -220,6 +220,42 @@
 | | Perform additional measurements based on NDRPDR result
 | | ... | ${result} | ${frame_size} | ${topology_type}
 
+| 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 is below minimal rate.
+| | ... | Input rates are understood as uni-directional,
+| | ... | reported result contains bi-directional rates.
+| | ... | TODO: Any additional measurements for debug purposes?
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str
+| | ... | - topology_type - Topology type. Type: string
+| | ... | - 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
+| | ... | - timeout - Stop when search duration is longer [s]. Type: float
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Find critical load usingPLR search \| \${64} \| \
+| | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${1e-7} \| \${1800} \
+| | ...
+| | [Arguments] | ${frame_size} | ${topology_type} | ${minimum_transmit_rate}
+| | ... | ${maximum_transmit_rate} | ${packet_loss_ratio}=${1e-7}
+| | ... | ${timeout}=${1800.0}
+| | ...
+| | ${min_rate} = | Set Variable | ${minimum_transmit_rate*2}
+| | ${average} | ${stdev} = | Perform soak search | ${frame_size}
+| | ... | ${topology_type} | ${min_rate} | ${maximum_transmit_rate*2}
+| | ... | ${packet_loss_ratio} | timeout=${timeout}
+| | ${lower} | ${upper} = | Display result of soak search
+| | ... | ${average} | ${stdev} | ${frame_size}
+| | Should Not Be True | ${lower} < ${min_rate}
+| | ... | Lower bound ${lower} is below bidirectional minimum ${min_rate}.
+
 | Display single bound
 | | [Documentation]
 | | ... | Display one bound of NDR+PDR search,
@@ -244,7 +280,7 @@
 | | ...
 | | [Arguments] | ${text} | ${rate_total} | ${framesize} | ${latency}=${EMPTY}
 | | ...
-| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
+| | ${bandwidth_total} = | Evaluate | ${rate_total} * (${framesize}+20)*8 / 1e9
 | | 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}"""
@@ -272,7 +308,7 @@
 | | ...
 | | [Arguments] | ${result} | ${framesize}
 | | ...
-| | ${framesize}= | Get Frame Size | ${framesize}
+| | ${framesize} = | Get Frame Size | ${framesize}
 | | Display single bound | NDR_LOWER
 | | ... | ${result.ndr_interval.measured_low.transmit_rate} | ${framesize}
 | | ... | ${result.ndr_interval.measured_low.latency}
@@ -284,6 +320,41 @@
 | | Display single bound | PDR_UPPER
 | | ... | ${result.pdr_interval.measured_high.transmit_rate} | ${framesize}
 
+| Display result of soak search
+| | [Documentation]
+| | ... | Display result of soak search, avg+-stdev, as upper/lower bounds,
+| | ... | in packet per seconds (total and per stream)
+| | ... | and Gbps total bandwidth with untagged packet.
+| | ... | Througput is calculated as:
+| | ... | Measured rate per stream * Total number of streams
+| | ... | Bandwidth is calculated as:
+| | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
+| | ... | TODO: Do we want to report some latency data,
+| | ... | even if not measured at the reported bounds?.
+| | ...
+| | ... | *Arguments:*
+| | ... | - avg - Estimated average critical load [pps]. Type: float
+| | ... | - stdev - Standard deviation of critical load [pps]. Type: float
+| | ... | - framesize - 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} \|
+| | ...
+| | [Arguments] | ${avg} | ${stdev} | ${framesize}
+| | ...
+| | ${framesize} = | Get Frame Size | ${framesize}
+| | ${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} | ${framesize}
+| | Display single bound | PLRsearch upper bound: | ${upper} | ${framesize}
+| | Return From Keyword | ${lower} | ${upper}
+
 | Check NDRPDR interval validity
 | | [Documentation]
 | | ... | Extract loss ratio of lower bound of the interval.
@@ -391,6 +462,9 @@
 | | ... | - 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
+| | ... | - 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
 | | ... | - 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
@@ -398,14 +472,17 @@
 | | ... | *Example:*
 | | ...
 | | ... | \| Traffic should pass with maximum rate \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} | ${False} \|
+| | ... | \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \|
+| | ... | \| ${1} \| ${10.0} \| ${False} \|
 | | ...
 | | [Arguments] | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1}
 | | ... | ${trial_duration}=${perf_trial_duration} | ${fail_no_traffic}=${True}
 | | ... | ${subsamples}=${perf_trial_multiplicity}
 | | ...
 | | ${results} = | Send traffic at specified rate | ${trial_duration} | ${rate}
-| | ... | ${framesize} | ${topology_type} | ${subsamples}
+| | ... | ${framesize} | ${topology_type} | ${unidirection}
+| | ... | ${tx_port} | ${rx_port} | ${subsamples}
 | | Set Test Message | ${\n}Maximum Receive Rate trial results
 | | Set Test Message | in packets per second: ${results}
 | | ... | append=yes
@@ -423,18 +500,23 @@
 | | ... | - rate - Rate for sending packets. Type: string
 | | ... | - framesize - L2 Frame Size [B]. Type: integer/string
 | | ... | - topology_type - Topology type. 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
 | | ... | - subsamples - How many trials in this measurement. Type: int
 | | ...
 | | ... | *Example:*
 | | ...
 | | ... | \| Send traffic at specified rate \| ${1.0} \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| ${10} \|
+| | ... | \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \| ${10} \|
 | | ...
 | | [Arguments] | ${trial_duration} | ${rate} | ${framesize}
-| | ... | ${topology_type} | ${subsamples}=${1}
+| | ... | ${topology_type} | ${unidirection}=${False} | ${tx_port}=${0}
+| | ... | ${rx_port}=${1} | ${subsamples}=${1}
 | | ...
 | | Clear and show runtime counters with running traffic | ${trial_duration}
 | | ... | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection} | ${tx_port} | ${rx_port}
 | | 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}
@@ -443,7 +525,8 @@
 | | ${results} = | Create List
 | | :FOR | ${i} | IN RANGE | ${subsamples}
 | | | Send traffic on tg | ${trial_duration} | ${rate} | ${framesize}
-| | | ... | ${topology_type} | warmup_time=0
+| | | ... | ${topology_type} | ${unidirection} | ${tx_port}
+| | | ... | ${rx_port} | warmup_time=0
 | | | ${rx} = | Get Received
 | | | ${rr} = | Evaluate | ${rx} / ${trial_duration}
 | | | Append To List | ${results} | ${rr}
@@ -466,15 +549,20 @@
 | | ... | - 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
+| | ... | - 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:*
 | | ...
-| | ... | \| Traffic should pass with partial loss \| 10 \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| 0.5 \| percentage \|
+| | ... | \| Clear and show runtime counters with running traffic \| 10 \
+| | ... | \| 4.0mpps \| 64 \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \|
 | | ...
 | | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1}
 | | ...
 | | Send traffic on tg | -1 | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection} | ${tx_port} | ${rx_port}
 | | ... | warmup_time=0 | async_call=${True} | latency=${False}
 | | Run Keyword If | ${dut_stats}==${True}
 | | ... | Clear runtime counters on all DUTs | ${nodes}
@@ -482,3 +570,54 @@
 | | Run Keyword If | ${dut_stats}==${True}
 | | ... | Show runtime counters on all DUTs | ${nodes}
 | | Stop traffic on tg
+
+| Create network function CPU list
+| | [Documentation]
+| | ... | Create list of CPUs allocated for network function base on SUT/DUT
+| | ... | placement and other network functions placement.
+| | ...
+| | ... | *Arguments:*
+| | ... | - dut - DUT node. Type: dictionary
+| | ... | - chains: Total number of chains. Type: integer
+| | ... | - nodeness: Total number of nodes per chain. Type: integer
+| | ... | - chain_id - Network function chain ID. Type: integer
+| | ... | - node_id - Network function node ID within chain. Type: integer
+| | ... | - mtcr - Main thread to core ratio. Type: integer
+| | ... | - dtcr - Dataplane thread to core ratio. Type: integer
+| | ... | - auto_scale - If True, use same amount of Dataplane threads for
+| | ... |   network function as DUT, otherwise use single physical core for
+| | ... |   every network function. Type: boolean
+| | ...
+| | ... | *Note:*
+| | ... | KW uses test variables \${cpu_count_int} set by
+| | ... | "Add worker threads and rxqueues to all DUTs"
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Create network function CPU list \| ${nodes['DUT1']} \
+| | ... | \| 1 \| 1 \| 1 \| 1 \|
+| | ...
+| | [Arguments] | ${dut} | ${chains}=${1} | ${nodeness}=${1} | ${chain_id}=${1}
+| | ... | ${node_id}=${1} | ${mtcr}=${2} | ${dtcr}=${1} | ${auto_scale}=${False}
+| | ...
+| | ${sut_sc}= | Set Variable | ${1}
+| | ${dut_mc}= | Set Variable | ${1}
+| | ${dut_dc}= | Set Variable | ${cpu_count_int}
+| | ${skip}= | Evaluate | ${sut_sc} + ${dut_mc} + ${dut_dc}
+| | ${dtc}= | Set Variable If | ${auto_scale} | ${cpu_count_int} | ${1}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if1}
+| | @{if_list}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | Create List | ${${dut}_if1}
+| | ... | ELSE | Create List | ${${dut}_if1_1} | ${${dut}_if1_2}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | Append To List | ${if_list} | ${${dut}_if2}
+| | ... | ELSE | Append To List | ${if_list} | ${${dut}_if2_1} | ${${dut}_if2_2}
+| | ${dut_numa}= | Get interfaces numa node | ${nodes['${dut}']} | @{if_list}
+| | ${nf_cpus}= | Cpu slice of list for NF | node=${nodes['${dut}']}
+| | ... | cpu_node=${dut_numa} | chains=${chains} | nodeness=${nodeness}
+| | ... | chain_id=${chain_id} | node_id=${node_id} | mtcr=${mtcr}
+| | ... | dtcr=${dtcr} | dtc=${dtc} | skip_cnt=${skip}
+| | Return From Keyword | ${nf_cpus}