samples: benchmarks: coremark: migrate to STM logging on nrf54h20dk

The CoreMark sample now uses logging in the STM standalone mode for the nRF54H20 DK target. Ref: NCSDK-27517 Signed-off-by: Kamil Piszczek <[email protected]>
nrfconnect · Sep 25, 2024 · ef4112e · ef4112e
1 parent dfc19af
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Showing 17 changed files with 84 additions and 31 deletions.
diff --git a/samples/benchmarks/coremark/Kconfig.sysbuild b/samples/benchmarks/coremark/Kconfig.sysbuild
@@ -14,12 +14,4 @@ config APP_CPUNET_RUN
 config APP_CPUPPR_RUN
 	bool "Run the CoreMark benchmark on the PPR core"
 	depends on SUPPORT_PPRCORE
-	depends on !BOARD_NRF54H20DK || !APP_CPUNET_RUN
-	help
-	  Due to the limited number of UART ports on the nRF54H20 DK, you can run the CoreMark
-	  benchmark only on two cores at a time; application core and either radio core or PPR
-	  core.
-
-	  PPR code is run from RAM. You must use the "nordic-ppr" snippet for the application
-	  core to be able to boot the PPR core. You need to provide the "coremark_SNIPPET=nordic"
-	  build argument.
+	default y
diff --git a/samples/benchmarks/coremark/README.rst b/samples/benchmarks/coremark/README.rst
@@ -146,13 +146,6 @@ SB_CONFIG_APP_CPUPPR_RUN - Enable execution for the PPR core
 
 .. note::
    PPR code is run from RAM.
-   You must use the ``nordic-ppr`` snippet for the application core to be able to boot the PPR core.
-   Use the build argument ``coremark_SNIPPET=nordic-ppr``.
-   To build the sample with the execution for the PPR core enabled, run the following command:
-
-   .. code-block:: console
-
-      west build -b nrf54h20dk/nrf54h20/cpuapp -- -DSB_CONFIG_APP_CPUNET_RUN=n -DSB_CONFIG_APP_CPUPPR_RUN=y -Dcoremark_SNIPPET=nordic-ppr
 
 Building and running
 ********************

diff --git a/samples/benchmarks/coremark/boards/nrf52840dk_nrf52840.conf b/samples/benchmarks/coremark/boards/nrf52840dk_nrf52840.conf
@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/boards/nrf52dk_nrf52832.conf b/samples/benchmarks/coremark/boards/nrf52dk_nrf52832.conf
@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpuapp.conf b/samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpuapp.conf
@@ -4,3 +4,5 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_BOARD_ENABLE_CPUNET=y
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpunet.conf b/samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpunet.conf
@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuapp.conf b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuapp.conf
@@ -4,3 +4,11 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_COREMARK_ITERATIONS=10000
+
+# Kconfigs required for the STM standalone logging, imported from the nordic-log-stm snippet.
+CONFIG_TEST_LOGGING_DEFAULTS=n
+CONFIG_LOG_FRONTEND=y
+CONFIG_LOG_FRONTEND_ONLY=y
+CONFIG_LOG_FRONTEND_STMESP=y
+CONFIG_LOG_FRONTEND_STMESP_FSC=y
+CONFIG_UART_ASYNC_API=y
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -29,3 +29,23 @@
 	owned-channels = <7>;
 	status = "okay";
 };
+
+/* DTS nodes required to run the cpuppr target. */
+&cpuppr_vpr {
+	status = "okay";
+};
+
+&cpuppr_ram3x_region {
+	status = "okay";
+};
+
+/* DTS nodes required for the STM standalone logging, imported from the nordic-log-stm snippet. */
+&tbm {
+	status = "okay";
+};
+
+&tddconf {
+	status = "okay";
+	stmsink = "etr";
+	portconfig = <0>;
+};
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuppr.conf b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuppr.conf
@@ -4,3 +4,10 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_COREMARK_ITERATIONS=500
+
+# Kconfigs required for the STM standalone logging, imported from the nordic-log-stm snippet.
+CONFIG_TEST_LOGGING_DEFAULTS=n
+CONFIG_LOG_FRONTEND=y
+CONFIG_LOG_FRONTEND_ONLY=y
+CONFIG_LOG_FRONTEND_STMESP=y
+CONFIG_LOG_FRONTEND_STMESP_FSC=y
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuppr.overlay b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpuppr.overlay
@@ -4,4 +4,10 @@
  * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
-/* Intentionally left empty to overwrite default app.overlay. */
+/* Disable the default UART node for the pepper core, as logs are forwarded
+ * with STM and the application core UART. This setting also prevents access
+ * issues to the same UART instance from two or more different cores.
+ */
+&uart135 {
+	status = "disabled";
+};
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpurad.conf b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpurad.conf
@@ -4,3 +4,10 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_COREMARK_ITERATIONS=10000
+
+# Kconfigs required for the STM standalone logging, imported from the nordic-log-stm snippet.
+CONFIG_TEST_LOGGING_DEFAULTS=n
+CONFIG_LOG_FRONTEND=y
+CONFIG_LOG_FRONTEND_ONLY=y
+CONFIG_LOG_FRONTEND_STMESP=y
+CONFIG_LOG_FRONTEND_STMESP_FSC=y
diff --git a/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpurad.overlay b/samples/benchmarks/coremark/boards/nrf54h20dk_nrf54h20_cpurad.overlay
@@ -40,3 +40,11 @@
 	owned-channels = <6>;
 	status = "okay";
 };
+
+/* Disable the default UART node for the radio core, as logs are forwarded
+ * with STM and the application core UART. This setting also prevents access
+ * issues to the same UART instance from two or more different cores.
+ */
+&uart135 {
+	status = "disabled";
+};
diff --git a/samples/benchmarks/coremark/boards/nrf54l15dk_nrf54l15_cpuapp.conf b/samples/benchmarks/coremark/boards/nrf54l15dk_nrf54l15_cpuapp.conf
@@ -4,3 +4,5 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_COREMARK_ITERATIONS=4000
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/boards/nrf54l15pdk_nrf54l15_cpuapp.conf b/samples/benchmarks/coremark/boards/nrf54l15pdk_nrf54l15_cpuapp.conf
@@ -4,3 +4,5 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
 CONFIG_COREMARK_ITERATIONS=4000
+
+CONFIG_LOG_MODE_MINIMAL=y
diff --git a/samples/benchmarks/coremark/prj.conf b/samples/benchmarks/coremark/prj.conf
@@ -14,7 +14,6 @@ CONFIG_COMPILER_OPT="-O3"
 
 # Config results output
 CONFIG_LOG=y
-CONFIG_LOG_MODE_MINIMAL=y
 CONFIG_LOG_DEFAULT_LEVEL=0
 CONFIG_CBPRINTF_FP_SUPPORT=y
 

diff --git a/samples/benchmarks/coremark/sample.yaml b/samples/benchmarks/coremark/sample.yaml
@@ -81,15 +81,3 @@ tests:
       - nrf54h20dk/nrf54h20/cpuapp
     tags: ci_build sysbuild ci_samples_benchmarks
     extra_args: EXTRA_CONF_FILE="prj_multiple_threads.conf"
-  sample.benchmark.coremark_ppr:
-    sysbuild: true
-    build_only: true
-    platform_allow:
-      - nrf54h20dk/nrf54h20/cpuapp
-    integration_platforms:
-      - nrf54h20dk/nrf54h20/cpuapp
-    tags: ci_build sysbuild ci_samples_benchmarks
-    extra_args:
-      SB_CONFIG_APP_CPUNET_RUN=n
-      SB_CONFIG_APP_CPUPPR_RUN=y
-      coremark_SNIPPET=nordic-ppr
diff --git a/samples/benchmarks/coremark/src/main.c b/samples/benchmarks/coremark/src/main.c
@@ -50,7 +50,8 @@ static K_SEM_DEFINE(start_coremark, 0, 1);
 static atomic_t coremark_in_progress;
 
 /* Enforce synchronous logging as the sample doesn't flush logs. */
-BUILD_ASSERT(IS_ENABLED(CONFIG_LOG_MODE_MINIMAL) || IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE),
+BUILD_ASSERT(IS_ENABLED(CONFIG_LOG_MODE_MINIMAL) || IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE) ||
+	     IS_ENABLED(CONFIG_LOG_FRONTEND_ONLY),
 	     "Logs should be processed synchronously to avoid negative impact on the "
 	     "benchamrk performance");