tests: Add IPI_OPTIMIZE tests

Adds several tests to verify that IPIs can be appropriately targeted to specific CPUs. Signed-off-by: Peter Mitsis <[email protected]>
zephyrproject-rtos · Jun 4, 2024 · 23dc390 · 23dc390
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diff --git a/tests/kernel/ipi_optimize/CMakeLists.txt b/tests/kernel/ipi_optimize/CMakeLists.txt
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(smp)
+
+target_sources(app PRIVATE src/main.c)
+
+target_include_directories(app PRIVATE
+  ${ZEPHYR_BASE}/kernel/include
+  ${ZEPHYR_BASE}/arch/${ARCH}/include
+  )
diff --git a/tests/kernel/ipi_optimize/boards/qemu_cortex_a53_qemu_cortex_a53_smp.conf b/tests/kernel/ipi_optimize/boards/qemu_cortex_a53_qemu_cortex_a53_smp.conf
@@ -0,0 +1,4 @@
+# Copyright (c) 2022 Carlo Caione <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_MP_MAX_NUM_CPUS=4
diff --git a/tests/kernel/ipi_optimize/boards/qemu_cortex_a53_qemu_cortex_a53_smp.overlay b/tests/kernel/ipi_optimize/boards/qemu_cortex_a53_qemu_cortex_a53_smp.overlay
@@ -0,0 +1,19 @@
+/* Copyright 2022 Carlo Caione <[email protected]>
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	cpus {
+		cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <2>;
+		};
+
+		cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <3>;
+		};
+	};
+};
diff --git a/tests/kernel/ipi_optimize/prj.conf b/tests/kernel/ipi_optimize/prj.conf
@@ -0,0 +1,5 @@
+CONFIG_ZTEST=y
+CONFIG_SMP=y
+CONFIG_TRACE_SCHED_IPI=y
+CONFIG_IPI_OPTIMIZE=y
+CONFIG_SYS_CLOCK_TICKS_PER_SEC=50