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tests/intel_kpi: Add i226 XDP 1ms test with PTP hardware timestamp
Add test case for Intel i226 NIC KPI evaluation with 1ms cycle time using AF_XDP zero-copy mode. Configuration highlights: - Enable processing latency metric - Workload on Reference: none - Workload on Mirror: 57k instructions per control loop (IPCL) - AF_XDP zero-copy mode with busy polling optimization - Disable interrupt coalescing for immediate interrupt firing Co-developed-by: Chwee-Lin Choong <chwee.lin.choong@intel.com> Signed-off-by: Chwee-Lin Choong <chwee.lin.choong@intel.com> Signed-off-by: Song Yoong Siang <yoong.siang.song@intel.com> Part-of: #55 Closes: #55 [Kurt: Run pre-commit] Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
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‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/flow_mirror.sh‎

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#!/bin/bash
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Setup the Tx and Rx traffic flows for Intel i226 NIC(s) KPI testing.
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#
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set -e
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source ../../lib/common.sh
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source ../../lib/igc.sh
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#
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# Command line arguments.
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#
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INTERFACE=$1
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CYCLETIME_NS=$2
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BASETIME=$3
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[ -z $INTERFACE ] && INTERFACE="enp3s0" # default: enp3s0
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[ -z $CYCLETIME_NS ] && CYCLETIME_NS="1000000" # default: 1ms
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[ -z $BASETIME ] && BASETIME=$(date '+%s000000000' -d '-30 sec') # default: now - 30s
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load_kernel_modules
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igc_start "${INTERFACE}"
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ethtool -C ${INTERFACE} rx-usecs 0
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#
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# Split traffic between TSN High Stream and everything else.
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#
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ENTRY1_NS="500000" # Everything else
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ENTRY2_NS="500000" # TSN High Stream
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#
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# Tx Assignment with Qbv and full hardware offload.
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#
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# PCP 6 - Tx Q 1 - TSN High Stream
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# PCP X - Tx Q 0 - Everything else
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#
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tc qdisc replace dev ${INTERFACE} handle 100 parent root taprio num_tc 2 \
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map 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 \
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queues 1@0 1@1 \
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base-time ${BASETIME} \
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sched-entry S 0x03 ${ENTRY1_NS} \
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sched-entry S 0x02 ${ENTRY2_NS} \
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flags 0x02
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#
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# Rx Queues Assignment.
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#
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# PCP 6 - Rx Q 1 - TSN High Stream
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# PCP X - Rx Q 0 - Everything else
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RXQUEUES=(0 1 0 0 0 0 0 0 0 0)
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igc_rx_queues_assign "${INTERFACE}" RXQUEUES
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setup_irqs "${INTERFACE}"
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exit 0

‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/flow_ref.sh‎

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#!/bin/bash
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Setup the Tx and Rx traffic flows for Intel i226 NIC(s) KPI testing.
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#
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set -e
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source ../../lib/common.sh
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source ../../lib/igc.sh
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#
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# Command line arguments.
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#
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INTERFACE=$1
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CYCLETIME_NS=$2
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BASETIME=$3
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[ -z $INTERFACE ] && INTERFACE="enp3s0" # default: enp3s0
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[ -z $CYCLETIME_NS ] && CYCLETIME_NS="1000000" # default: 1ms
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[ -z $BASETIME ] && BASETIME=$(date '+%s000000000' -d '-30 sec') # default: now - 30s
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load_kernel_modules
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igc_start "${INTERFACE}"
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ethtool -C ${INTERFACE} rx-usecs 0
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#
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# Split traffic between TSN High Stream and everything else.
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#
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ENTRY1_NS="500000" # TSN High Stream
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ENTRY2_NS="500000" # Everything else
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#
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# Tx Assignment with Qbv and full hardware offload.
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#
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# PCP 6 - Tx Q 1 - TSN High Stream
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# PCP X - Tx Q 0 - Everything else
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#
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tc qdisc replace dev ${INTERFACE} handle 100 parent root taprio num_tc 2 \
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map 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 \
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queues 1@0 1@1 \
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base-time ${BASETIME} \
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sched-entry S 0x02 ${ENTRY1_NS} \
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sched-entry S 0x01 ${ENTRY2_NS} \
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flags 0x02
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#
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# Rx Queues Assignment.
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#
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# PCP 6 - Rx Q 1 - TSN High Stream
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# PCP X - Rx Q 0 - Everything else
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RXQUEUES=(0 1 0 0 0 0 0 0 0 0)
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igc_rx_queues_assign "${INTERFACE}" RXQUEUES
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setup_irqs "${INTERFACE}"
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exit 0

‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/mirror.sh‎

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#!/bin/bash
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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set -e
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cd "$(dirname "$0")"
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# Start PTP
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../../../scripts/ptp.sh enp3s0
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sleep 30
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# Configure flow
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./flow_mirror.sh enp3s0
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sleep 30
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# Start one instance of mirror application
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cp ../../../build/xdp_kern_*.o .
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../../../build/mirror -c mirror.yaml >/dev/shm/mirror.log &
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exit 0

‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/mirror.yaml‎

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---
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Mirror YAML configuration file for Intel i226 NIC(s) KPI testing.
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#
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Application:
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ApplicationClockId: CLOCK_TAI
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# ApplicationBaseStartTimeNS: 0
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ApplicationBaseCycleTimeNS: 1ms
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ApplicationTxBaseOffsetNS: 700us
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ApplicationRxBaseOffsetNS: 300us
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ApplicationXdpProgram: xdp_kern_profinet_vid100.o
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TsnHigh:
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TsnHighEnabled: true
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TsnHighXdpEnabled: true
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TsnHighXdpSkbMode: false
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TsnHighXdpZcMode: true
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TsnHighXdpWakeupMode: true
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TsnHighXdpBusyPollMode: true
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TsnHighTxTimeStampEnabled: true
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TsnHighVid: 100
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TsnHighNumFramesPerCycle: 1
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TsnHighPayloadPattern: |
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TsnHighPayloadPattern
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TsnHighFrameLength: 64
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TsnHighRxQueue: 1
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TsnHighTxQueue: 1
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TsnHighSocketPriority: 6
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TsnHighTxThreadPriority: 98
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TsnHighRxThreadPriority: 98
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TsnHighTxThreadCpu: 1
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TsnHighRxThreadCpu: 1
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TsnHighInterface: enp3s0
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TsnHighDestination: a8:74:1d:9d:36:14
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TsnHighRxWorkloadEnabled: true
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TsnHighRxWorkloadFile: ../../workloads/pointer_chasing/pointer_chasing.so
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TsnHighRxWorkloadSetupFunction: ptr_chase_setup
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TsnHighRxWorkloadSetupArguments: "0x4A4000 0x129000"
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TsnHighRxWorkloadTeardownFunction: ptr_chase_teardown
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TsnHighRxWorkloadFunction: run_ptr_chasing
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TsnHighRxWorkloadPrewarm: false
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TsnHighRxWorkloadSkipCount: 100
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TsnHighRxWorkloadThreadCpu: 1
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TsnHighRxWorkloadThreadPriority: 80
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Log:
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LogThreadPriority: 1
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LogThreadCpu: 0
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LogFile: /var/log/mirror_vid100.log
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LogLevel: Info
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LogMqtt:
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LogMqtt: false
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LogMqttThreadPriority: 10
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LogMqttThreadCpu: 0
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LogMqttBrokerIP: 127.0.0.1
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LogMqttBrokerPort: 1883
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LogMqttMeasurementName: mirror
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Debug:
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DebugStopTraceOnOutlier: false
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DebugStopTraceOnError: false
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DebugMonitorMode: false
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DebugMonitorDestination: 44:44:44:44:44:44

‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/ref.sh‎

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#!/bin/bash
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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set -e
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cd "$(dirname "$0")"
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# Start PTP
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../../../scripts/ptp.sh enp3s0
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sleep 30
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# Configure flow
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./flow_ref.sh enp3s0
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sleep 30
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# Start one instance of reference application
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cp ../../../build/xdp_kern_*.o .
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../../../build/reference -c reference.yaml >/dev/shm/ref.log &
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exit 0

‎tests/intel_kpi/i226_xdp_1ms_1x64b_57k_proclat/reference.yaml‎

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---
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#
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# Copyright (C) 2026 Linutronix GmbH
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# Author Kurt Kanzenbach <kurt@linutronix.de>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Reference YAML configuration file for Intel i226 NIC(s) KPI testing.
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#
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Application:
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ApplicationClockId: CLOCK_TAI
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# ApplicationBaseStartTimeNS: 0
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ApplicationBaseCycleTimeNS: 1ms
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ApplicationTxBaseOffsetNS: 700us
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ApplicationRxBaseOffsetNS: 300us
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ApplicationXdpProgram: xdp_kern_profinet_vid100.o
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TsnHigh:
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TsnHighEnabled: true
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TsnHighXdpEnabled: true
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TsnHighXdpSkbMode: false
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TsnHighXdpZcMode: true
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TsnHighXdpWakeupMode: true
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TsnHighXdpBusyPollMode: true
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TsnHighTxTimeStampEnabled: false
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TsnHighVid: 100
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TsnHighNumFramesPerCycle: 1
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TsnHighPayloadPattern: |
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TsnHighPayloadPattern
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TsnHighFrameLength: 64
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TsnHighRxQueue: 1
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TsnHighTxQueue: 1
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TsnHighSocketPriority: 6
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TsnHighTxThreadPriority: 98
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TsnHighRxThreadPriority: 98
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TsnHighTxThreadCpu: 1
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TsnHighRxThreadCpu: 1
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TsnHighInterface: enp3s0
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TsnHighDestination: a8:74:1d:9d:98:d8
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Log:
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LogThreadPriority: 1
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LogThreadCpu: 0
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LogFile: /var/log/reference_vid100.log
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LogLevel: Info
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LogMqtt:
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LogMqtt: false
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LogMqttThreadPriority: 10
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LogMqttThreadCpu: 0
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LogMqttBrokerIP: 127.0.0.1
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LogMqttBrokerPort: 1883
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LogMqttMeasurementName: reference
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Debug:
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DebugStopTraceOnOutlier: false
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DebugStopTraceOnError: false
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DebugMonitorMode: false
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DebugMonitorDestination: 44:44:44:44:44:44

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