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tests: benchmarks: multicore: Add idle_counter
Add test to validate fast TIMER operation Signed-off-by: Piotr Krzyzanowski <[email protected]>
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‎tests/benchmarks/multicore/idle_counter/CMakeLists.txt‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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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 SYSBUILD)
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message(FATAL_ERROR
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" This is a multi-image application that should be built using sysbuild.\n"
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" Add --sysbuild argument to west build command to prepare all the images.")
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endif()
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project(idle_counter)
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target_sources(app PRIVATE src/main.c)

‎tests/benchmarks/multicore/idle_counter/Kconfig‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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config TEST_SLEEP_DURATION_MS
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int "Core sleep duration (miliseconds)"
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default 1000
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help
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Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
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Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
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core enters the lowest possible power state.
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source "Kconfig.zephyr"

‎tests/benchmarks/multicore/idle_counter/boards/nrf54h20dk_nrf54h20_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/ {
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aliases {
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led = &led0;
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/delete-property/ led1;
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counter = &timer120;
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};
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};
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&timer120 {
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status = "okay";
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};
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/delete-node/ &led1;

‎tests/benchmarks/multicore/idle_counter/prj.conf‎

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# Drivers and peripherals
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CONFIG_COUNTER=y
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# Enable runtime power management for peripheral
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CONFIG_PM_DEVICE=y
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CONFIG_PM_DEVICE_RUNTIME=y
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CONFIG_PM=y
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CONFIG_PM_S2RAM=y
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CONFIG_PM_S2RAM_CUSTOM_MARKING=y
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CONFIG_POWEROFF=y
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CONFIG_SERIAL=n
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CONFIG_BOOT_BANNER=n
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CONFIG_LOG=n
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CONFIG_ASSERT=y

‎tests/benchmarks/multicore/idle_counter/remote/CMakeLists.txt‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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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(remote)
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target_sources(app PRIVATE ../src/main.c)

‎tests/benchmarks/multicore/idle_counter/remote/Kconfig‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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config TEST_SLEEP_DURATION_MS
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int "Core sleep duration (miliseconds)"
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default 1000
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help
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Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
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Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
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core enters the lowest possible power state.
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source "Kconfig.zephyr"

‎tests/benchmarks/multicore/idle_counter/remote/boards/nrf54h20dk_nrf54h20_cpurad.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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#include <zephyr/dt-bindings/gpio/nordic-nrf-gpio.h>
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/ {
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aliases {
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led = &led1;
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counter = &timer130;
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};
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leds {
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compatible = "gpio-leds";
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led1: led_1 {
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gpios = <&gpio9 1 GPIO_ACTIVE_HIGH>;
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label = "Green LED 1";
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};
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};
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};
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&gpio9 {
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status = "okay";
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};
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&gpiote130 {
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status = "okay";
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};
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&timer130 {
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status = "okay";
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};

‎tests/benchmarks/multicore/idle_counter/remote/prj.conf‎

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# Drivers and peripherals
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CONFIG_COUNTER=y
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CONFIG_GPIO=y
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# Enable runtime power management for peripheral
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CONFIG_PM_DEVICE=y
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CONFIG_PM_DEVICE_RUNTIME=y
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CONFIG_PM=y
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CONFIG_PM_S2RAM=y
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CONFIG_PM_S2RAM_CUSTOM_MARKING=y
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CONFIG_POWEROFF=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_ASSERT=y

‎tests/benchmarks/multicore/idle_counter/src/main.c‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/counter.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/devicetree/clocks.h>
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#include <zephyr/drivers/clock_control/nrf_clock_control.h>
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LOG_MODULE_REGISTER(idle_counter);
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static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_ALIAS(led), gpios);
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#define ALARM_CHANNEL_ID (0)
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const struct device *const counter_dev = DEVICE_DT_GET(DT_ALIAS(counter));
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static K_SEM_DEFINE(my_sem, 0, 1);
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#if defined(CONFIG_CLOCK_CONTROL) && defined(CONFIG_SOC_NRF54H20_CPUAPP)
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const uint32_t freq[] = {320, 256, 128, 64};
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/*
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* Set Global Domain frequency (HSFLL120)
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*/
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void set_global_domain_frequency(uint32_t freq)
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{
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int err;
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int res;
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struct onoff_client cli;
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const struct device *hsfll_dev = DEVICE_DT_GET(DT_NODELABEL(hsfll120));
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const struct nrf_clock_spec clk_spec_global_hsfll = {.frequency = MHZ(freq)};
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LOG_INF("Requested frequency [Hz]: %d", clk_spec_global_hsfll.frequency);
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sys_notify_init_spinwait(&cli.notify);
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err = nrf_clock_control_request(hsfll_dev, &clk_spec_global_hsfll, &cli);
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__ASSERT((err >= 0 && err < 3), "Wrong nrf_clock_control_request return code");
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do {
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err = sys_notify_fetch_result(&cli.notify, &res);
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k_yield();
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} while (err == -EAGAIN);
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__ASSERT(err == 0, "Wrong clock control request return code");
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__ASSERT(res == 0, "Wrong clock control request response");
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}
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#endif /* CONFIG_CLOCK_CONTROL && CONFIG_SOC_NRF54H20_CPUAPP */
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void counter_handler(const struct device *counter_dev, uint8_t chan_id, uint32_t ticks,
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void *user_data)
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{
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gpio_pin_set_dt(&led, 1);
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k_sem_give(&my_sem);
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counter_stop(counter_dev);
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}
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uint32_t start_timer(const struct device *counter_dev)
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{
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uint32_t start_time;
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struct counter_alarm_cfg counter_cfg;
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counter_cfg.flags = 0;
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counter_cfg.ticks = counter_us_to_ticks(counter_dev, CONFIG_TEST_SLEEP_DURATION_MS * 1000);
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counter_cfg.callback = counter_handler;
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counter_cfg.user_data = &counter_cfg;
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counter_set_channel_alarm(counter_dev, ALARM_CHANNEL_ID, &counter_cfg);
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counter_start(counter_dev);
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start_time = k_cycle_get_32();
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LOG_INF("Counter starts at %u cycle", start_time);
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return start_time;
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}
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void verify_timer(uint32_t start_time)
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{
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uint32_t elapsed;
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int ret;
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ret = gpio_pin_set_dt(&led, 0);
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__ASSERT(ret == 0, "Unable to turn off LED");
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ret = k_sem_take(&my_sem, K_MSEC(CONFIG_TEST_SLEEP_DURATION_MS + 100));
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elapsed = k_cycle_get_32() - start_time;
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__ASSERT(ret == 0, "Timer callback not called");
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ret = gpio_pin_set_dt(&led, 1);
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__ASSERT(ret == 0, "Unable to turn on LED");
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LOG_INF("Elapsed %u cycles (%uus)", elapsed, k_cyc_to_us_ceil32(elapsed));
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__ASSERT(elapsed > k_ms_to_cyc_ceil32(CONFIG_TEST_SLEEP_DURATION_MS - 10) &&
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elapsed < k_ms_to_cyc_ceil32(CONFIG_TEST_SLEEP_DURATION_MS + 10),
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"expected time to elapse is 1s");
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}
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int main(void)
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{
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uint32_t start_time;
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int ret;
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ret = gpio_is_ready_dt(&led);
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__ASSERT(ret, "Error: GPIO Device not ready");
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ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
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__ASSERT(ret == 0, "Could not configure led GPIO");
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/* Wait a bit to solve NRFS request timeout issue. */
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k_msleep(500);
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while (1) {
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ret = gpio_pin_set_dt(&led, 0);
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__ASSERT(ret == 0, "Unable to turn off LED");
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k_msleep(CONFIG_TEST_SLEEP_DURATION_MS);
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ret = gpio_pin_set_dt(&led, 1);
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__ASSERT(ret == 0, "Unable to turn on LED");
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k_busy_wait(100000);
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#if defined(CONFIG_CLOCK_CONTROL) && defined(CONFIG_SOC_NRF54H20_CPUAPP)
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for (int i = 0; i <= ARRAY_SIZE(freq); i++) {
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start_time = start_timer(counter_dev);
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if (i) {
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set_global_domain_frequency(freq[i - 1]);
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}
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verify_timer(start_time);
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k_busy_wait(100000);
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}
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#else
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start_time = start_timer(counter_dev);
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verify_timer(start_time);
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k_busy_wait(100000);
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#endif /* CONFIG_CLOCK_CONTROL && CONFIG_SOC_NRF54H20_CPUAPP */
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}
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return 0;
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}

‎tests/benchmarks/multicore/idle_counter/sysbuild.cmake‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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# Add remote project
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ExternalZephyrProject_Add(
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APPLICATION remote
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SOURCE_DIR ${ZEPHYR_NRF_MODULE_DIR}/tests/benchmarks/power_consumption/common/remote_sleep_forever
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BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpurad
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BOARD_REVISION ${BOARD_REVISION}
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)

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