tests: boards: nrf: coresight_stm: Add performance test for STM
Extend STM testing with verification whether STM benchmark results are below predefined thresholds. Set thresholds arbitrarily. Add tests that allow code coverage calculation. Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>
This commit is contained in:
Sebastian Głąb
Benjamin Cabé
parent
2c5195c814
commit
29208fe7c4
10 changed files with 525 additions and 0 deletions
17
tests/boards/nrf/coresight_stm/CMakeLists.txt
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17
tests/boards/nrf/coresight_stm/CMakeLists.txt
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#
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# Copyright (c) 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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if(NOT (CONFIG_BOARD_NRF54H20DK_NRF54H20_CPUAPP))
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message(FATAL_ERROR "${BOARD}${BOARD_QUALIFIERS} is not supported for this sample")
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endif()
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project(nrf_coresight_stm)
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target_sources(app PRIVATE $ENV{ZEPHYR_BASE}/samples/boards/nordic/coresight_stm/src/main.c)
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11
tests/boards/nrf/coresight_stm/Kconfig.sysbuild
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11
tests/boards/nrf/coresight_stm/Kconfig.sysbuild
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# Copyright 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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source "share/sysbuild/Kconfig"
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config APP_CPUPPR_RUN
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bool "Use PPR"
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config APP_CPUFLPR_RUN
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bool "Use FLPR"
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/*
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* Copyright (c) 2024 Nordic Semiconductor
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* SPDX-License-Identifier: Apache-2.0
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*/
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&cpuppr_vpr {
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status = "okay";
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};
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&cpuppr_ram3x_region {
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status = "okay";
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};
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&cpuflpr_vpr {
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status = "okay";
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};
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1
tests/boards/nrf/coresight_stm/prj.conf
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1
tests/boards/nrf/coresight_stm/prj.conf
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CONFIG_LOG=y
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347
tests/boards/nrf/coresight_stm/pytest/test_stm.py
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347
tests/boards/nrf/coresight_stm/pytest/test_stm.py
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#
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# Copyright (c) 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import logging
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import re
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import subprocess
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from dataclasses import dataclass
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from pathlib import Path
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from time import sleep
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import psutil
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from twister_harness import DeviceAdapter
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logger = logging.getLogger(__name__)
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SB_CONFIG_APP_CPUPPR_RUN = None
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SB_CONFIG_APP_CPUFLPR_RUN = None
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# See definition of stm_m_id[] and stm_m_name[] in
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# https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/misc/coresight/nrf_etr.c
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STM_M_ID = {
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"sec": 33,
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"app": 34,
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"rad": 35,
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"mod": 36,
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"sys": 44,
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"flpr": 45,
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"ppr": 46,
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"hw": 128,
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}
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@dataclass
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class STMLimits:
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log_0_arg: float | None
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log_1_arg: float | None
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log_2_arg: float | None
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log_3_arg: float | None
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log_str: float | None
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tracepoint: float | None
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tracepoint_d32: float | None
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tolerance: float | None
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def _analyse_autoconf(filepath: str) -> None:
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global SB_CONFIG_APP_CPUPPR_RUN
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global SB_CONFIG_APP_CPUFLPR_RUN
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SB_CONFIG_APP_CPUPPR_RUN = False
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SB_CONFIG_APP_CPUFLPR_RUN = False
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# Parse contents of {BUILD_DIR}/_sysbuild/autoconf.h
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with open(f"{filepath}", errors="ignore") as autoconf:
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for line in autoconf:
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if "SB_CONFIG_APP_CPUPPR_RUN 1" in line:
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SB_CONFIG_APP_CPUPPR_RUN = True
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continue
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if "SB_CONFIG_APP_CPUFLPR_RUN 1" in line:
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SB_CONFIG_APP_CPUFLPR_RUN = True
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logger.debug(f"{SB_CONFIG_APP_CPUPPR_RUN=}")
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logger.debug(f"{SB_CONFIG_APP_CPUFLPR_RUN=}")
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def _check_benchmark_results(output: str, core: str, constraints: STMLimits) -> None:
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"""
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Use regular expressions to parse 'output' string.
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Search for benchmark results related to 'core' coprocessor.
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Check that benchamrk results are lower than limits provided in 'constraints'.
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"""
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cfg = {
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"log message with 0 arguments": {
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"regex": rf"{core}: Timing for log message with 0 arguments: (.+)us",
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"expected": constraints.log_0_arg,
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},
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"log message with 1 argument": {
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"regex": rf"{core}: Timing for log message with 1 argument: (.+)us",
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"expected": constraints.log_1_arg,
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},
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"log message with 2 arguments": {
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"regex": rf"{core}: Timing for log message with 2 arguments: (.+)us",
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"expected": constraints.log_2_arg,
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},
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"log message with 3 arguments": {
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"regex": rf"{core}: Timing for log message with 3 arguments: (.+)us",
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"expected": constraints.log_3_arg,
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},
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"log message with string": {
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"regex": rf"{core}: Timing for log_message with string: (.+)us",
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"expected": constraints.log_str,
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},
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"tracepoint": {
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"regex": rf"{core}: Timing for tracepoint: (.+)us",
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"expected": constraints.tracepoint,
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},
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"tracepoint_d32": {
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"regex": rf"{core}: Timing for tracepoint_d32: (.+)us",
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"expected": constraints.tracepoint_d32,
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},
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}
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for check in cfg:
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observed_str = re.search(cfg[check]["regex"], output).group(1)
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assert observed_str is not None, f"Timing for {check} NOT found"
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# check value
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observed = float(observed_str)
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threshold = cfg[check]["expected"] * (1 + constraints.tolerance)
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assert (
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observed < threshold
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), f"{core}: Timing for {check} - {observed} us exceeds {threshold} us"
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# nrfutil starts children processes
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# when subprocess.terminate(nrfutil_process) is executed, only the parent terminates
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# this blocks serial port for other uses
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def _kill(proc):
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try:
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for child in psutil.Process(proc.pid).children(recursive=True):
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child.kill()
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proc.kill()
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except Exception as e:
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logger.exception(f'Could not kill nrfutil - {e}')
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def _nrfutil_dictionary_from_serial(
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dut: DeviceAdapter,
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decoded_file_name: str = "output.txt",
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collect_time: float = 60.0,
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) -> None:
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UART_PATH = dut.device_config.serial
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UART_BAUDRATE = dut.device_config.baud
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dut.close()
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logger.debug(f"Using serial: {UART_PATH}")
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if Path(f"{decoded_file_name}").exists():
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logger.warning("Output file already exists!")
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# prepare database config string
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BUILD_DIR = str(dut.device_config.build_dir)
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logger.debug(f"{BUILD_DIR=}")
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config_str = f"{STM_M_ID['app']}:{BUILD_DIR}/coresight_stm/zephyr/log_dictionary.json"
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config_str += f",{STM_M_ID['rad']}:{BUILD_DIR}/remote_rad/zephyr/log_dictionary.json"
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if SB_CONFIG_APP_CPUPPR_RUN:
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config_str += f",{STM_M_ID['ppr']}:{BUILD_DIR}/remote_ppr/zephyr/log_dictionary.json"
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if SB_CONFIG_APP_CPUFLPR_RUN:
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config_str += f",{STM_M_ID['flpr']}:{BUILD_DIR}/remote_flpr/zephyr/log_dictionary.json"
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logger.debug(f"{config_str=}")
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cmd = (
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"nrfutil trace stm --database-config "
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f"{config_str} "
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f"--input-serialport {UART_PATH} --baudrate {UART_BAUDRATE} "
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f"--output-ascii {decoded_file_name}"
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)
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try:
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# run nrfutil trace in background non-blocking
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logger.info(f"Executing:\n{cmd}")
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proc = subprocess.Popen(cmd.split(), stdout=subprocess.DEVNULL)
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except OSError as exc:
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logger.error(f"Unable to start nrfutil trace:\n{cmd}\n{exc}")
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try:
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proc.wait(collect_time)
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except subprocess.TimeoutExpired:
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pass
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finally:
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_kill(proc)
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def test_STM_decoded(dut: DeviceAdapter):
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"""
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Run sample.boards.nrf.coresight_stm from samples/boards/nrf/coresight_stm sample.
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Both Application and Radio cores use STM for logging.
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STM proxy (Application core) decodes logs from all domains.
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After reset, coprocessors execute code in expected way and Application core
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outputs STM traces on UART port.
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"""
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BUILD_DIR = str(dut.device_config.build_dir)
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autoconf_file = f"{BUILD_DIR}/_sysbuild/autoconf.h"
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app_constraints = STMLimits(
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# all values in us
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log_0_arg=1.8,
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log_1_arg=2.1,
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log_2_arg=2.0,
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log_3_arg=2.1,
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log_str=4.5,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5, # 50 %
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)
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rad_constraints = STMLimits(
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# all values in us
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log_0_arg=4.6,
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log_1_arg=5.0,
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log_2_arg=5.2,
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log_3_arg=5.6,
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log_str=6.3,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5,
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)
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ppr_constraints = STMLimits(
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# all values in us
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log_0_arg=25.7,
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log_1_arg=27.1,
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log_2_arg=27.3,
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log_3_arg=30.4,
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log_str=65.7,
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tracepoint=0.55,
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tracepoint_d32=0.25,
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tolerance=0.5,
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)
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flpr_constraints = STMLimits(
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# all values in us
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log_0_arg=1.3,
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log_1_arg=1.6,
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log_2_arg=1.6,
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log_3_arg=1.7,
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log_str=3.0,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5,
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)
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# nrf54h20 prints immediately after it is flashed.
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# Wait a bit to skipp logs from previous test.
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sleep(6)
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# Get output from serial port
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output = "\n".join(dut.readlines())
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# set SB_CONFIG_APP_CPUPPR_RUN, SB_CONFIG_APP_CPUFLPR_RUN
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_analyse_autoconf(autoconf_file)
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# check results on Application core
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_check_benchmark_results(output=output, core='app', constraints=app_constraints)
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# check results on Radio core
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_check_benchmark_results(output=output, core='rad', constraints=rad_constraints)
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if SB_CONFIG_APP_CPUPPR_RUN:
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# check results on PPR core
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_check_benchmark_results(output=output, core='ppr', constraints=ppr_constraints)
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if SB_CONFIG_APP_CPUFLPR_RUN:
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# check results on FLPR core
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_check_benchmark_results(output=output, core='flpr', constraints=flpr_constraints)
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def test_STM_dictionary_mode(dut: DeviceAdapter):
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"""
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Run sample.boards.nrf.coresight_stm.dict from samples/boards/nrf/coresight_stm sample.
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Both Application and Radio cores use STM for logging.
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STM proxy (Application core) prints on serial port raw logs from all domains.
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Nrfutil trace is used to decode STM logs.
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After reset, coprocessors execute code in expected way and Application core
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outputs STM traces on UART port.
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"""
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BUILD_DIR = str(dut.device_config.build_dir)
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test_filename = f"{BUILD_DIR}/coresight_stm_dictionary.txt"
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autoconf_file = f"{BUILD_DIR}/_sysbuild/autoconf.h"
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COLLECT_TIMEOUT = 10.0
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app_constraints = STMLimits(
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# all values in us
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log_0_arg=0.7,
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log_1_arg=0.8,
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log_2_arg=0.8,
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log_3_arg=1.3,
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log_str=3.2,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5, # 50 %
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)
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rad_constraints = STMLimits(
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# all values in us
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log_0_arg=0.8,
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log_1_arg=0.9,
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log_2_arg=1.0,
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log_3_arg=1.5,
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log_str=3.6,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5,
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)
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ppr_constraints = STMLimits(
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# all values in us
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log_0_arg=7.5,
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log_1_arg=8.5,
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log_2_arg=8.6,
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log_3_arg=17.4,
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log_str=45.2,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5,
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)
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flpr_constraints = STMLimits(
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# all values in us
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log_0_arg=0.3,
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log_1_arg=0.4,
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log_2_arg=0.5,
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log_3_arg=0.8,
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log_str=2.6,
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tracepoint=0.5,
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tracepoint_d32=0.5,
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tolerance=0.5, # 50 %
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)
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# set SB_CONFIG_APP_CPUPPR_RUN, SB_CONFIG_APP_CPUFLPR_RUN
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# this information is needed to build nrfutil database-config
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_analyse_autoconf(autoconf_file)
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# use nrfutil trace to decode logs
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_nrfutil_dictionary_from_serial(
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dut=dut,
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decoded_file_name=f"{test_filename}",
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collect_time=COLLECT_TIMEOUT,
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)
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# read decoded logs
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with open(f"{test_filename}", errors="ignore") as decoded_file:
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decoded_file_content = decoded_file.read()
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# if nothing in decoded_file, stop test
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assert len(decoded_file_content) > 0, f"File {test_filename} is empty"
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# check results on Application core
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_check_benchmark_results(output=decoded_file_content, core='app', constraints=app_constraints)
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# check results on Radio core
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_check_benchmark_results(output=decoded_file_content, core='rad', constraints=rad_constraints)
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if SB_CONFIG_APP_CPUPPR_RUN:
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# check results on PPR core
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_check_benchmark_results(
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output=decoded_file_content, core='ppr', constraints=ppr_constraints
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)
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if SB_CONFIG_APP_CPUFLPR_RUN:
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# check results on FLPR core
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_check_benchmark_results(
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output=decoded_file_content, core='flpr', constraints=flpr_constraints
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)
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12
tests/boards/nrf/coresight_stm/remote/CMakeLists.txt
Normal file
12
tests/boards/nrf/coresight_stm/remote/CMakeLists.txt
Normal file
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#
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# Copyright (c) 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(nrf_coresight_stm)
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target_sources(app PRIVATE $ENV{ZEPHYR_BASE}/samples/boards/nordic/coresight_stm/src/main.c)
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6
tests/boards/nrf/coresight_stm/remote/prj.conf
Normal file
6
tests/boards/nrf/coresight_stm/remote/prj.conf
Normal file
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CONFIG_LOG=y
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CONFIG_CONSOLE=n
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CONFIG_UART_CONSOLE=n
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CONFIG_SERIAL=n
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CONFIG_BOOT_BANNER=n
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CONFIG_PRINTK=n
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28
tests/boards/nrf/coresight_stm/sysbuild.cmake
Normal file
28
tests/boards/nrf/coresight_stm/sysbuild.cmake
Normal file
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@ -0,0 +1,28 @@
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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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set(REMOTE_APP remote)
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ExternalZephyrProject_Add(
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APPLICATION ${REMOTE_APP}_rad
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SOURCE_DIR ${APP_DIR}/${REMOTE_APP}
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BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpurad
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)
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# There are sample configurations which do not use PPR.
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if(SB_CONFIG_APP_CPUPPR_RUN)
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ExternalZephyrProject_Add(
|
||||
APPLICATION ${REMOTE_APP}_ppr
|
||||
SOURCE_DIR ${APP_DIR}/${REMOTE_APP}
|
||||
BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpuppr
|
||||
)
|
||||
endif()
|
||||
|
||||
# There are sample configurations which do not use FLPR.
|
||||
if(SB_CONFIG_APP_CPUFLPR_RUN)
|
||||
ExternalZephyrProject_Add(
|
||||
APPLICATION ${REMOTE_APP}_flpr
|
||||
SOURCE_DIR ${APP_DIR}/${REMOTE_APP}
|
||||
BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpuflpr
|
||||
)
|
||||
endif()
|
||||
85
tests/boards/nrf/coresight_stm/testcase.yaml
Normal file
85
tests/boards/nrf/coresight_stm/testcase.yaml
Normal file
|
|
@ -0,0 +1,85 @@
|
|||
sample:
|
||||
name: Logging using Coresight STM on nrf54h20
|
||||
|
||||
common:
|
||||
tags: stm
|
||||
sysbuild: true
|
||||
platform_allow:
|
||||
- nrf54h20dk/nrf54h20/cpuapp
|
||||
integration_platforms:
|
||||
- nrf54h20dk/nrf54h20/cpuapp
|
||||
|
||||
tests:
|
||||
boards.nrf.coresight_stm.dict:
|
||||
filter: not CONFIG_COVERAGE
|
||||
harness: pytest
|
||||
harness_config:
|
||||
pytest_dut_scope: session
|
||||
pytest_root:
|
||||
- "pytest/test_stm.py::test_STM_dictionary_mode"
|
||||
required_snippets:
|
||||
- nordic-log-stm-dict
|
||||
extra_args:
|
||||
- SB_CONFIG_APP_CPUPPR_RUN=y
|
||||
- SB_CONFIG_APP_CPUFLPR_RUN=y
|
||||
|
||||
boards.nrf.coresight_stm:
|
||||
filter: not CONFIG_COVERAGE
|
||||
harness: pytest
|
||||
harness_config:
|
||||
pytest_dut_scope: session
|
||||
pytest_root:
|
||||
- "pytest/test_stm.py::test_STM_decoded"
|
||||
required_snippets:
|
||||
- nordic-log-stm
|
||||
extra_args:
|
||||
- SB_CONFIG_APP_CPUPPR_RUN=y
|
||||
- SB_CONFIG_APP_CPUFLPR_RUN=y
|
||||
|
||||
boards.nrf.coresight_stm.dict.coverage:
|
||||
filter: CONFIG_COVERAGE
|
||||
harness: console
|
||||
harness_config:
|
||||
type: one_line
|
||||
regex:
|
||||
- "GCOV_COVERAGE_DUMP_END"
|
||||
required_snippets:
|
||||
- nordic-log-stm-dict
|
||||
extra_args:
|
||||
- SB_CONFIG_APP_CPUPPR_RUN=y
|
||||
- SB_CONFIG_APP_CPUFLPR_RUN=n
|
||||
- coresight_stm_CONFIG_LOG_PRINTK=n
|
||||
|
||||
boards.nrf.coresight_stm.coverage:
|
||||
filter: CONFIG_COVERAGE
|
||||
harness: console
|
||||
harness_config:
|
||||
type: multi_line
|
||||
ordered: true
|
||||
regex:
|
||||
- "Timing for log message with 0 arguments:"
|
||||
- "Timing for log message with 1 argument:"
|
||||
- "Timing for log message with 2 arguments:"
|
||||
- "Timing for log message with 3 arguments:"
|
||||
- "Timing for log_message with string:"
|
||||
required_snippets:
|
||||
- nordic-log-stm
|
||||
extra_args:
|
||||
- SB_CONFIG_APP_CPUPPR_RUN=y
|
||||
- SB_CONFIG_APP_CPUFLPR_RUN=n
|
||||
- coresight_stm_CONFIG_LOG_PRINTK=n
|
||||
|
||||
boards.nrf.coresight_stm.local_uart.coverge:
|
||||
filter: CONFIG_COVERAGE
|
||||
harness: console
|
||||
harness_config:
|
||||
type: multi_line
|
||||
ordered: true
|
||||
regex:
|
||||
- "Timing for log message with 0 arguments:"
|
||||
- "Timing for log message with 1 argument:"
|
||||
- "Timing for log message with 2 arguments:"
|
||||
- "Timing for log message with 3 arguments:"
|
||||
- "Timing for log_message with string:"
|
||||
extra_args:
|
||||
- CONFIG_LOG_MODE_IMMEDIATE=y
|
||||
Loading…
Add table
Add a link
Reference in a new issue