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Fix: Enhancement of Trex Bench-Trafficgen Profile for Low-Latency Performance Optimization
TRex traffic generator client profile: continuous 100% load with warmup/teaching packets, fixed random seed, rate/runtime tolerances, max loss threshold, and search/control parameters configured as part of RFC2544 latency improvements
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-12
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2 files changed

+76
-12
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‎templates/trafficgen/mv-params.json.template‎

Lines changed: 39 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -3,25 +3,52 @@
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{
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"name": "global",
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"params": [
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{ "arg": "trex-active-devices", "vals": [ "TWO_PCI_ADDRS" ], "role": "client", "enabled": "yes" },
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{ "arg": "trex-devices", "vals": [ "TWO_PCI_ADDRS" ], "role": "client", "enabled": "yes" },
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{ "arg": "server-devices", "vals": [ "TWO_PCI_RSRC_NAMES" ], "role": "server", "enabled": "yes" },
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{ "arg": "trex-software-mode", "vals": [ "$TPL_SW_MODE" ], "role": "client", "enabled": "yes" },
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{ "arg": "trex-mellanox-support", "vals": [ "$TPL_MLXSUP" ], "role": "client", "enabled": "yes" },
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{ "arg": "use-dst-mac-flows", "vals": [ "0" ], "role": "client", "enabled": "yes" },
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{ "arg": "use-src-mac-flows", "vals": [ "0" ], "role": "client" , "enabled": "yes"},
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{ "arg": "one-shot", "vals": [ "1" ] , "enabled": "yes"},
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{ "arg": "rate-unit", "vals": [ "mpps" ] , "enabled": "yes"},
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{ "arg": "rate", "vals": [ "0.5" ] , "enabled": "yes"},
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{ "arg": "testpmd-forward-mode", "vals": [ "$TPL_FWD_MODE" ], "role": "server", "enabled": "yes" }
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{ "arg": "switch-type", "vals": [ "testpmd" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-forward-mode", "vals": [ "$TPL_FWD_MODE" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-enable-rss-udp", "vals": [ "on" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-queues", "vals": [ "1" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-queues-per-pmd", "vals": [ "1" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-smt", "vals": [ "on" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-mtu", "vals": [ "1500" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-descriptors", "vals": [ "1024" ], "role": "server", "enabled": "yes" },
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{ "arg": "testpmd-burst", "vals": [ "32" ], "role": "server", "enabled": "yes" },
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{ "arg": "server-devices", "vals": [ "TWO_PCI_RSRC_NAMES" ], "role": "server", "enabled": "yes" }
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]
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}
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],
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"sets": [
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{
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"include": "global",
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"params": [
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{ "arg": "frame-size", "vals": [ "64" ], "role": "client", "enabled": "yes" }
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{ "arg": "trex-devices", "vals": [ "TWO_PCI_ADDRS" ], "role": "client", "enabled": "yes" },
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{ "arg": "trex-active-devices", "vals": [ "TWO_PCI_ADDRS" ], "role": "client", "enabled": "yes" },
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{ "arg": "traffic-generator", "vals": [ "trex-txrx-profile" ], "role": "client", "enabled": "yes" },
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{ "arg": "traffic-profile", "vals": [ "trafficgen.profile" ], "role": "client", "enabled": "yes" },
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{ "arg": "trex-software-mode", "vals": [ "$TPL_SW_MODE" ], "role": "client", "enabled": "yes" },
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{ "arg": "trex-mellanox-support", "vals": [ "$TPL_MLXSUP" ], "role": "client", "enabled": "yes" },
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{ "arg": "rate-unit", "vals": [ "%" ], "role": "client", "enabled": "yes" },
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{ "arg": "min-rate", "vals": [ "1" ], "role": "client", "enabled": "yes" },
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{ "arg": "rate", "vals": [ "100" ], "role": "client", "enabled": "yes" },
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{ "arg": "latency-rate", "vals": [ "1000" ], "role": "client", "enabled": "yes" },
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{ "arg": "one-shot", "vals": [ "0" ], "role": "client", "enabled": "yes" },
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{ "arg": "search-runtime", "vals": [ "30" ], "role": "client", "enabled": "yes" },
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{ "arg": "validation-runtime", "vals": [ "300" ], "role": "client", "enabled": "yes" },
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{ "arg": "stream-mode", "vals": [ "continuous" ], "role": "client", "enabled": "yes" },
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{ "arg": "warmup-trial", "vals": [ "ON" ], "role": "client", "enabled": "yes" },
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{ "arg": "send-teaching-warmup", "vals": [ "ON" ], "role": "client", "enabled": "yes" },
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{ "arg": "teaching-warmup-packet-type", "vals": [ "generic" ], "role": "client", "enabled": "yes" },
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{ "arg": "teaching-measurement-packet-type", "vals": [ "generic" ], "role": "client", "enabled": "yes" },
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{ "arg": "teaching-warmup-packet-rate", "vals": [ "100" ], "role": "client", "enabled": "yes" },
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{ "arg": "teaching-measurement-packet-rate", "vals": [ "100" ], "role": "client", "enabled": "yes" },
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{ "arg": "teaching-measurement-interval", "vals": [ "10.0" ], "role": "client", "enabled": "yes" },
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{ "arg": "rate-tolerance", "vals": [ "5" ], "role": "client", "enabled": "yes" },
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{ "arg": "runtime-tolerance", "vals": [ "5" ], "role": "client", "enabled": "yes" },
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{ "arg": "rate-tolerance-failure", "vals": [ "fail" ], "role": "client", "enabled": "yes" },
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{ "arg": "max-loss-pct", "vals": [ "0.002" ], "role": "client", "enabled": "yes" },
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{ "arg": "disable-flow-cache", "vals": [ "OFF" ], "role": "client", "enabled": "yes" },
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{ "arg": "search-granularity", "vals": [ "0.05" ], "role": "client", "enabled": "yes" },
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{ "arg": "random-seed", "vals": [ "42" ], "role": "client", "enabled": "yes" },
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{ "arg": "disable-upward-search", "vals": [ "disable-upward-search" ], "role": "client", "enabled": "yes" }
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]
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}
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]

‎templates/trafficgen/trafficgen.profile‎

Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
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{
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"streams": [
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{
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"flows": 1024,
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"frame_size": 64,
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"flow_mods": "function:create_flow_mod_object(use_src_mac_flows=False, use_dst_mac_flows=False, use_src_ip_flows=False, use_dst_ip_flows=True, use_src_port_flows=False, use_dst_port_flows=False, use_protocol_flows=False)",
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"rate": 29761904,
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"frame_type": "generic",
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"protocol": "UDP",
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"stream_types": [
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"teaching_warmup",
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"teaching_measurement",
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"measurement"
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],
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"latency": false,
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"traffic_direction": "bidirectional",
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"stream_id": "stream1"
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},
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{
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"flows": 1024,
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"frame_size": 64,
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"flow_mods": "function:create_flow_mod_object(use_src_mac_flows=False, use_dst_mac_flows=False, use_src_ip_flows=False, use_dst_ip_flows=True, use_src_port_flows=False, use_dst_port_flows=False, use_protocol_flows=False)",
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"rate": 1000,
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"frame_type": "generic",
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"protocol": "UDP",
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"stream_types": [
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"teaching_warmup",
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"teaching_measurement",
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"measurement"
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],
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"latency": true,
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"latency_only": true,
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"traffic_direction": "unidirectional",
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"stream_id": "stream2"
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}
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]
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}

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