tests: benchmarks: multicore: Start testing IPC with s2ram

tests/benchmarks/multicore/idle_ipc/CMakeLists.txt

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+if(NOT SYSBUILD)
+	message(FATAL_ERROR
+		" This is a multi-image application that should be built using sysbuild.\n"
+		" Add --sysbuild argument to west build command to prepare all the images.")
+endif()
+
+project(idle_ipc)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/multicore/idle_ipc/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "Kconfig.zephyr"
+rsource "Kconfig.common"

tests/benchmarks/multicore/idle_ipc/Kconfig.common

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+config APP_IPC_SERVICE_SEND_INTERVAL
+	int "Ipc service sending interval [us]"
+	default 70
+	help
+	  Time in micro seconds between sending subsequent data packages over
+	  IPC service. Since kernel timeout has 1 ms resolution, the value is
+	  rounded down. If value of this option is lower than 1000 us, busy
+	  wait is used instead of sleep.
+
+config APP_IPC_SERVICE_MESSAGE_LEN
+	int "Length of single IPC message in bytes"
+	default 100

tests/benchmarks/multicore/idle_ipc/Kconfig.sysbuild

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+#
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "${ZEPHYR_BASE}/share/sysbuild/Kconfig"
+
+config REMOTE_BOARD
+	string "The board used for remote target"

tests/benchmarks/multicore/idle_ipc/boards/nrf54h20dk_nrf54h20_cpuapp.conf

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_APP_IPC_SERVICE_SEND_INTERVAL=900

tests/benchmarks/multicore/idle_ipc/boards/nrf54h20dk_nrf54h20_cpuapp_cpuppr.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/* Replace default ipc0 instance */
+/delete-node/ &ipc0;
+
+ipc0: &cpuapp_cpuppr_ipc {
+	status = "okay";
+};
+
+&cpuppr_vevif {
+	status = "okay";
+};
+
+&cpuapp_bellboard {
+	status = "okay";
+};
+
+/ {
+	chosen {
+		/delete-property/ zephyr,bt-hci;
+	};
+};

tests/benchmarks/multicore/idle_ipc/prj.conf

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_LOG_PROCESS_THREAD_PRIORITY=-15
+CONFIG_LOG_PROCESS_THREAD_CUSTOM_PRIORITY=y
+
+CONFIG_HEAP_MEM_POOL_SIZE=4096
+
+CONFIG_MBOX=y
+
+CONFIG_IPC_SERVICE=y
+CONFIG_IPC_SERVICE_LOG_LEVEL_INF=y
+
+CONFIG_PM=y
+CONFIG_PM_S2RAM=y
+CONFIG_PM_S2RAM_CUSTOM_MARKING=y
+CONFIG_PM_DEVICE=y
+CONFIG_POWEROFF=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+# Enable for debugging pruposes only
+CONFIG_PRINTK=y
+CONFIG_LOG=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y

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

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(remote)
+
+target_sources(app PRIVATE ../src/main.c)

tests/benchmarks/multicore/idle_ipc/remote/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "Kconfig.zephyr"
+rsource "../Kconfig.common"

tests/benchmarks/multicore/idle_ipc/remote/boards/nrf54h20dk_nrf54h20_cpurad.conf

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_APP_IPC_SERVICE_SEND_INTERVAL=900

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

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&uart135 {
+	/delete-property/ hw-flow-control;
+};

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

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+
+CONFIG_LOG_PROCESS_THREAD_PRIORITY=-15
+CONFIG_LOG_PROCESS_THREAD_CUSTOM_PRIORITY=y
+
+CONFIG_HEAP_MEM_POOL_SIZE=2048
+
+CONFIG_IPC_SERVICE=y
+CONFIG_IPC_SERVICE_LOG_LEVEL_INF=y
+
+CONFIG_MBOX=y
+
+CONFIG_PM=y
+CONFIG_PM_DEVICE=y
+CONFIG_POWEROFF=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+# Enable for debugging pruposes only
+CONFIG_PRINTK=y
+CONFIG_LOG=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y

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

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+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/device.h>
+#include <zephyr/pm/device.h>
+#include <zephyr/pm/device_runtime.h>
+#include <string.h>
+#include <zephyr/logging/log.h>
+#include <zephyr/ipc/ipc_service.h>
+
+#ifdef CONFIG_TEST_EXTRA_STACK_SIZE
+#define STACKSIZE (1024 + CONFIG_TEST_EXTRA_STACK_SIZE)
+#else
+#define STACKSIZE (1024)
+#endif
+
+K_THREAD_STACK_DEFINE(ipc0_stack, STACKSIZE);
+
+LOG_MODULE_REGISTER(host, LOG_LEVEL_INF);
+
+static const struct device *const console_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
+
+struct payload {
+	unsigned long cnt;
+	unsigned long size;
+	uint8_t data[];
+};
+
+struct payload *p_payload;
+
+static K_SEM_DEFINE(bound_sem, 0, 1);
+
+static void ep_bound(void *priv)
+{
+	k_sem_give(&bound_sem);
+}
+
+static void ep_recv(const void *data, size_t len, void *priv)
+{
+	uint8_t received_val = *((uint8_t *)data);
+	static uint8_t expected_val;
+
+	if ((received_val != expected_val) || (len != CONFIG_APP_IPC_SERVICE_MESSAGE_LEN)) {
+		printk("Unexpected message received_val: %d , expected_val: %d\n", received_val,
+		       expected_val);
+	}
+
+	expected_val++;
+}
+
+static struct ipc_ept_cfg ep_cfg = {
+	.name = "ep0",
+	.cb =
+		{
+			.bound = ep_bound,
+			.received = ep_recv,
+		},
+};
+
+int main(void)
+{
+	const struct device *ipc0_instance;
+	struct ipc_ept ep;
+	int ret;
+	unsigned long last_cnt = 0;
+	unsigned long delta = 0;
+
+	p_payload = (struct payload *)k_malloc(CONFIG_APP_IPC_SERVICE_MESSAGE_LEN);
+	if (!p_payload) {
+		printk("k_malloc() failure\n");
+		return -ENOMEM;
+	}
+
+	memset(p_payload->data, 0xA5, CONFIG_APP_IPC_SERVICE_MESSAGE_LEN - sizeof(struct payload));
+
+	p_payload->size = CONFIG_APP_IPC_SERVICE_MESSAGE_LEN;
+	p_payload->cnt = 0;
+
+	printk("IPC-service %s demo started\n", CONFIG_BOARD_TARGET);
+
+	ipc0_instance = DEVICE_DT_GET(DT_NODELABEL(ipc0));
+
+	ret = ipc_service_open_instance(ipc0_instance);
+	if ((ret < 0) && (ret != -EALREADY)) {
+		LOG_INF("ipc_service_open_instance() failure (%d)", ret);
+		return ret;
+	}
+
+	ret = ipc_service_register_endpoint(ipc0_instance, &ep, &ep_cfg);
+	if (ret < 0) {
+		printf("ipc_service_register_endpoint() failure (%d)", ret);
+		return ret;
+	}
+
+	if (IS_ENABLED(CONFIG_PM_DEVICE_RUNTIME)) {
+		pm_device_runtime_enable(console_dev);
+		pm_device_runtime_enable(ipc0_instance);
+	}
+
+	// k_sem_take(&bound_sem, K_FOREVER);
+
+	while (true) {
+
+		printk("Hello\n");
+		printk("Send data over IPC\n");
+
+		for (int counter = 0; counter < 10; counter++) {
+			ret = ipc_service_send(&ep, p_payload, CONFIG_APP_IPC_SERVICE_MESSAGE_LEN);
+			if (ret == -ENOMEM) {
+				/* No space in the buffer. Retry. */
+				continue;
+			} else if (ret < 0) {
+				printk("send_message(%ld) failed with ret %d\n", p_payload->cnt,
+				       ret);
+				break;
+			}
+			k_msleep(100);
+
+			delta = p_payload->cnt - last_cnt;
+			printk("Δpkt: %ld (%ld B/pkt) | throughput: %ld bit/s\n", delta,
+			       p_payload->size, delta * CONFIG_APP_IPC_SERVICE_MESSAGE_LEN * 8);
+			last_cnt = p_payload->cnt;
+			p_payload->cnt++;
+		}
+
+		printk("Go to sleep (s2ram)\n");
+		k_msleep(2000);
+	}
+
+	return 0;
+}

tests/benchmarks/multicore/idle_ipc/sysbuild.cmake

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+#
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+if("${SB_CONFIG_REMOTE_BOARD}" STREQUAL "")
+  message(FATAL_ERROR "REMOTE_BOARD must be set to a valid board name")
+endif()
+
+# Add remote project
+ExternalZephyrProject_Add(
+    APPLICATION remote
+    SOURCE_DIR ${APP_DIR}/remote
+    BOARD ${SB_CONFIG_REMOTE_BOARD}
+    BOARD_REVISION ${BOARD_REVISION}
+  )
+
+# Add a dependency so that the remote image will be built and flashed first
+add_dependencies(idle_ipc remote)
+# Add dependency so that the remote image is flashed first.
+sysbuild_add_dependencies(FLASH idle_ipc remote)

tests/benchmarks/multicore/idle_ipc/sysbuild/nrf54h20dk_nrf54h20_cpurad.conf

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+SB_CONFIG_REMOTE_BOARD="nrf54h20dk/nrf54h20/cpurad"

tests/benchmarks/multicore/idle_ipc/testcase.yaml

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+common:
+  sysbuild: true
+  tags: ci_build ci_tests_benchmarks_multicore ipc ppk_power_measure
+
+tests:
+  benchmarks.multicore.idle_ipc.nrf54h20dk_cpuapp_cpurad.s2ram:
+    # harness: pytest
+    platform_allow:
+      - nrf54h20dk/nrf54h20/cpuapp
+    integration_platforms:
+      - nrf54h20dk/nrf54h20/cpuapp
+    extra_args:
+      - SB_CONF_FILE=sysbuild/nrf54h20dk_nrf54h20_cpurad.conf
+    # harness_config:
+    #   fixture: ppk_power_measure
+    #   pytest_root:
+    #     - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_uarte"
+