tests: benchmarks: multicore: Add PM tests with FLPR core

Add test that confirms Power Management on FLPR core.

Signed-off-by: Sebastian Głąb <[email protected]>

tests/benchmarks/multicore/idle_flpr/CMakeLists.txt

@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2025 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_flpr)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/multicore/idle_flpr/Kconfig

@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+config TEST_SLEEP_DURATION_MS
+	int "Core sleep duration (miliseconds)"
+	default 1000
+	help
+	  Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
+	  Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
+	  core enters the lowest possible power state.
+
+source "Kconfig.zephyr"

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

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuflpr_vpr {
+	status = "okay";
+};
+
+&uart120 {
+	status = "reserved";
+	interrupt-parent = <&cpuflpr_clic>;
+};
+
+/ {
+	aliases {
+		/delete-property/ led1;
+	};
+};
+
+/delete-node/ &led1;
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <0>;
+};

tests/benchmarks/multicore/idle_flpr/prj.conf

@@ -0,0 +1,8 @@
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+
+CONFIG_LOG=y
+CONFIG_ASSERT=y
+CONFIG_GPIO=y
+
+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/benchmarks/multicore/idle_flpr/prj_s2ram.conf

@@ -0,0 +1,18 @@
+CONFIG_PM=y
+CONFIG_PM_S2RAM=y
+CONFIG_PM_S2RAM_CUSTOM_MARKING=y
+CONFIG_POWEROFF=y
+
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_PRINTK=n
+CONFIG_LOG=n
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+
+CONFIG_ASSERT=y
+CONFIG_GPIO=y

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

@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2025 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)
+
+if((DEFINED CONFIG_SOC_NRF54H20_CPUFLPR) OR (DEFINED CONFIG_SOC_NRF54H20_ENGB_CPUFLPR))
+	message(STATUS "Power Mode handler for RISC V is included.")
+	target_sources(app PRIVATE ../../common/power_off.c)
+endif()

tests/benchmarks/multicore/idle_flpr/remote/Kconfig

@@ -0,0 +1,21 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+config TEST_SLEEP_DURATION_MS
+	int "Core sleep duration (miliseconds)"
+	default 1000
+	help
+	  Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
+	  Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
+	  core enters the lowest possible power state.
+
+config APP_PROVIDE_PM_HOOKS
+	bool "Application provides PM hooks"
+	default y
+	select HAS_PM
+	select HAS_POWEROFF
+
+source "Kconfig.zephyr"

tests/benchmarks/multicore/idle_flpr/remote/boards/nrf54h20dk_nrf54h20_cpuflpr.overlay

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	cpus {
+		power-states {
+			wait: wait {
+				compatible = "zephyr,power-state";
+				power-state-name = "standby";
+				substate-id = <0>;
+				min-residency-us = <20000>;
+			};
+
+			hibernate: hibernate {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-ram";
+				substate-id = <0>;
+				min-residency-us = <400000>;
+			};
+		};
+	};
+};
+
+&cpu {
+	cpu-power-states = <&wait &hibernate>;
+};

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

@@ -0,0 +1,11 @@
+CONFIG_LOG=y
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_PRINTK=n
+
+CONFIG_ASSERT=y
+
+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/benchmarks/multicore/idle_flpr/remote/prj_s2ram.conf

@@ -0,0 +1,13 @@
+CONFIG_PM=y
+CONFIG_POWEROFF=y
+
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+
+CONFIG_ASSERT=y

tests/benchmarks/multicore/idle_flpr/remote/src/main.c

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+#include <zephyr/kernel.h>
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_REGISTER(idle_flpr, LOG_LEVEL_INF);
+
+int main(void)
+{
+	LOG_INF("Multicore idle_flpr test on %s", CONFIG_BOARD_TARGET);
+	LOG_INF("Main sleeps for %d ms", CONFIG_TEST_SLEEP_DURATION_MS);
+
+	return 0;
+}

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

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/gpio.h>
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_REGISTER(idle_flpr, LOG_LEVEL_INF);
+
+static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_ALIAS(led0), gpios);
+
+/* Variables used to make CPU active for ~1 second */
+static struct k_timer my_timer;
+static bool timer_expired;
+
+void my_timer_handler(struct k_timer *dummy)
+{
+	timer_expired = true;
+}
+
+int main(void)
+{
+	int counter = 0;
+	int ret;
+
+	LOG_INF("Multicore idle_flpr test on %s", CONFIG_BOARD_TARGET);
+	LOG_INF("Main sleeps for %d ms", CONFIG_TEST_SLEEP_DURATION_MS);
+
+	ret = gpio_is_ready_dt(&led);
+	if (!ret) {
+		LOG_ERR("LED is not ready");
+	}
+	__ASSERT(ret, "LED is not ready\n");
+
+	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
+	if (ret < 0) {
+		LOG_ERR("Unable to configure GPIO as output");
+	}
+	__ASSERT(ret == 0, "Unable to configure GPIO as output\n");
+
+	k_timer_init(&my_timer, my_timer_handler, NULL);
+
+	/* Run test forever */
+	while (1) {
+		timer_expired = false;
+
+		/* start a one-shot timer that expires after 1 second */
+		k_timer_start(&my_timer, K_MSEC(1000), K_NO_WAIT);
+
+		/* Turn ON LED */
+		ret = gpio_pin_set_dt(&led, 1);
+		if (ret < 0) {
+			LOG_ERR("Unable to turn on LED");
+		}
+		__ASSERT(ret == 0, "Unable to turn on LED\n");
+
+		/* Keep CPU active for ~ 1 second */
+		while (!timer_expired) {
+			k_busy_wait(10000);
+			k_yield();
+		}
+
+		/* Turn OFF LED */
+		ret = gpio_pin_set_dt(&led, 0);
+		if (ret < 0) {
+			LOG_ERR("Unable to turn off LED");
+		}
+		__ASSERT(ret == 0, "Unable to turn off LED\n");
+
+		LOG_INF("Run %d", counter);
+		counter++;
+
+		/* Sleep / enter low power state */
+		k_msleep(CONFIG_TEST_SLEEP_DURATION_MS);
+	}
+
+	return 0;
+}

tests/benchmarks/multicore/idle_flpr/sysbuild.cmake

@@ -0,0 +1,20 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+# Add remote project
+ExternalZephyrProject_Add(
+  APPLICATION remote_rad
+  SOURCE_DIR ${SYSBUILD_NRF_MODULE_DIR}/tests/benchmarks/power_consumption/common/remote_sleep_forever
+  BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpurad
+  BOARD_REVISION ${BOARD_REVISION}
+)
+
+ExternalZephyrProject_Add(
+  APPLICATION remote_flpr
+  SOURCE_DIR  ${APP_DIR}/remote
+  BOARD ${SB_CONFIG_BOARD}/${SB_CONFIG_SOC}/cpuflpr
+  BOARD_REVISION ${BOARD_REVISION}
+)

tests/benchmarks/multicore/idle_flpr/testcase.yaml

@@ -0,0 +1,50 @@
+common:
+  sysbuild: true
+  tags:
+    - ci_build
+    - ci_tests_benchmarks_multicore
+  platform_allow:
+    - nrf54h20dk/nrf54h20/cpuapp
+  integration_platforms:
+    - nrf54h20dk/nrf54h20/cpuapp
+
+tests:
+  benchmarks.multicore.idle_flpr.no_sleep:
+    required_snippets:
+      - nordic-log-stm
+    harness: console
+    harness_config:
+      type: multi_line
+      ordered: true
+      regex:
+        - "app/idle_flpr: Multicore idle_flpr test on"
+        - "flpr/idle_flpr: Multicore idle_flpr test on"
+        - "idle_flpr: Run 0"
+        - "idle_flpr: Run 1"
+
+  benchmarks.multicore.idle_flpr.idle:
+    tags: ppk_power_measure
+    extra_args:
+      - idle_flpr_CONF_FILE=prj_s2ram.conf
+      - remote_rad_CONF_FILE=prj_s2ram.conf
+      - remote_flpr_CONF_FILE=prj_s2ram.conf
+      - idle_flpr_CONFIG_TEST_SLEEP_DURATION_MS=500
+      - remote_rad_CONFIG_TEST_SLEEP_DURATION_MS=500
+      - remote_flpr_CONFIG_TEST_SLEEP_DURATION_MS=500
+    harness: pytest
+    harness_config:
+      fixture: ppk_power_measure
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_ppr_and_idle"
+
+  benchmarks.multicore.idle_flpr.s2ram:
+    tags: ppk_power_measure
+    extra_args:
+      - idle_flpr_CONF_FILE=prj_s2ram.conf
+      - remote_rad_CONF_FILE=prj_s2ram.conf
+      - remote_flpr_CONF_FILE=prj_s2ram.conf
+    harness: pytest
+    harness_config:
+      fixture: ppk_power_measure
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_ppr_and_s2ram"

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

@@ -11,7 +11,7 @@ project(remote)
 
 target_sources(app PRIVATE ../src/main.c)
 
-if(DEFINED CONFIG_SOC_NRF54H20_CPUPPR)
+if((DEFINED CONFIG_SOC_NRF54H20_CPUPPR) OR (DEFINED CONFIG_SOC_NRF54H20_ENGB_CPUPPR))
 	message(STATUS "Power Mode handler for RISC V is included.")
-	target_sources(app PRIVATE ../src/power_off.c)
+	target_sources(app PRIVATE ../../common/power_off.c)
 endif()

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

@@ -13,5 +13,5 @@ target_sources(app PRIVATE ../src/main.c)
 
 if((DEFINED CONFIG_SOC_NRF54H20_CPUPPR) OR (DEFINED CONFIG_SOC_NRF54H20_ENGB_CPUPPR))
 	message(STATUS "Power Mode handler for RISC V is included.")
-	target_sources(app PRIVATE ../src/power_off.c)
+	target_sources(app PRIVATE ../../common/power_off.c)
 endif()