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The following commit(s) were added to refs/heads/master by this push:
new 388256b7d feature: spinlock benchmark
388256b7d is described below
commit 388256b7d7d880d2c9396459b87a9a46b4a2fe5f
Author: TaiJu Wu <tjwu1...@gmail.com>
AuthorDate: Mon Oct 30 00:44:48 2023 +0000
feature: spinlock benchmark
Use multi-threads to measure spinlock.
You can get related setting with make menuconfig.
Signed-off-by: TaiJu Wu <tjwu1...@gmail.com>
Co-authored-by: Petro Karashchenko <petro.karashche...@gmail.com>
Co-authored-by: Xiang Xiao <xiaoxiang781...@gmail.com>
---
benchmarks/spinlock_bench/CMakeLists.txt | 55 +++++++++++++++
benchmarks/spinlock_bench/Kconfig | 45 ++++++++++++
benchmarks/spinlock_bench/Make.defs | 23 ++++++
benchmarks/spinlock_bench/Makefile | 39 ++++++++++
benchmarks/spinlock_bench/spinlock_bench.c | 110 +++++++++++++++++++++++++++++
5 files changed, 272 insertions(+)
diff --git a/benchmarks/spinlock_bench/CMakeLists.txt
b/benchmarks/spinlock_bench/CMakeLists.txt
new file mode 100644
index 000000000..8cf14f37c
--- /dev/null
+++ b/benchmarks/spinlock_bench/CMakeLists.txt
@@ -0,0 +1,55 @@
+#
##############################################################################
+# apps/benchmarks/spinlock_bench/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
contributor
+# license agreements. See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership. The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may
not
+# use this file except in compliance with the License. You may obtain a copy
of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+#
##############################################################################
+
+if(CONFIG_BENCHMARK_SPINLOCK)
+
+ #
############################################################################
+ # Config and Fetch Coremark application
+ #
############################################################################
+
+ set(SPINLOCKAPP_DIR ${CMAKE_CURRENT_LIST_DIR}/spinlock_bench)
+
+ #
############################################################################
+ # Sources
+ #
############################################################################
+
+ set(CSRCS ${SPINLOCKAPP_DIR}/spinlock_bench.c)
+
+ #
############################################################################
+ # Applications Configuration
+ #
############################################################################
+
+ nuttx_add_application(
+ NAME
+ spinlock_bench
+ PRIORITY
+ ${CONFIG_SPINLOCK_PRIORITY}
+ STACKSIZE
+ ${CONFIG_SPINLOCK_STACKSIZE}
+ MODULE
+ ${CONFIG_BENCHMARK_SPINLOCK}
+ COMPILE_FLAGS
+ ${CFLAGS}
+ SRCS
+ ${CSRCS}
+ INCLUDE_DIRECTORIES
+ ${INCDIR})
+
+endif()
diff --git a/benchmarks/spinlock_bench/Kconfig
b/benchmarks/spinlock_bench/Kconfig
new file mode 100644
index 000000000..b872f5e84
--- /dev/null
+++ b/benchmarks/spinlock_bench/Kconfig
@@ -0,0 +1,45 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+menuconfig BENCHMARK_SPINLOCK
+ bool "Spinlock Benchmark"
+ depends on BUILD_FLAT
+ default n
+ ---help---
+ Enable the Spinlock benchmark application.
+
+if BENCHMARK_SPINLOCK
+
+config SPINLOCK_PROGNAME
+ string "spinlock benchmark"
+ default "spinlock_bench"
+ ---help---
+ This is the name of the program that will be used when the NSH
ELF
+ program is installed.
+
+config SPINLOCK_PRIORITY
+ int "Spinlock task priority"
+ default 100
+
+config SPINLOCK_STACKSIZE
+ int "Spinlock task stack size"
+ default 4096
+
+
+config SPINLOCK_MULTITHREAD
+ int "Number of threads"
+ default 40
+ ---help---
+ Override the default number of threads to be executed.
+ The default value is 40.
+
+config SPINLOCK_ITERATIONS
+ int "Number of iterations"
+ default 100
+ ---help---
+ Default number of iterations for the benchmark on each thread.
+ The default value is 100.
+
+endif # BENCHMARK_SPINLOCK
diff --git a/benchmarks/spinlock_bench/Make.defs
b/benchmarks/spinlock_bench/Make.defs
new file mode 100644
index 000000000..e82177760
--- /dev/null
+++ b/benchmarks/spinlock_bench/Make.defs
@@ -0,0 +1,23 @@
+############################################################################
+# apps/benchmarks/spinlock_bench/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifneq ($(CONFIG_BENCHMARK_SPINLOCK),)
+CONFIGURED_APPS += $(APPDIR)/benchmarks/spinlock_bench
+endif
diff --git a/benchmarks/spinlock_bench/Makefile
b/benchmarks/spinlock_bench/Makefile
new file mode 100644
index 000000000..fada2fb61
--- /dev/null
+++ b/benchmarks/spinlock_bench/Makefile
@@ -0,0 +1,39 @@
+############################################################################
+# apps/benchmarks/spinlock_bench/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+# spinlock_bench application
+
+############################################################################
+# Applications Configuration
+############################################################################
+
+MODULE = $(CONFIG_BENCHMARK_SPINLOCK)
+
+PROGNAME += $(CONFIG_SPINLOCK_PROGNAME)
+PRIORITY += $(CONFIG_SPINLOCK_PRIORITY)
+STACKSIZE += $(CONFIG_SPINLOCK_STACKSIZE)
+
+MAINSRC += spinlock_bench.c
+
+# Build with WebAssembly when CONFIG_INTERPRETERS_WAMR is enabled
+
+include $(APPDIR)/Application.mk
diff --git a/benchmarks/spinlock_bench/spinlock_bench.c
b/benchmarks/spinlock_bench/spinlock_bench.c
new file mode 100644
index 000000000..47a33786e
--- /dev/null
+++ b/benchmarks/spinlock_bench/spinlock_bench.c
@@ -0,0 +1,110 @@
+/****************************************************************************
+ * apps/benchmarks/spinlock_bench/spinlock_bench.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <nuttx/spinlock.h>
+#include <time.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define TEST_NUM CONFIG_SPINLOCK_MULTITHREAD
+#define THREAD_NUM CONFIG_SPINLOCK_MULTITHREAD
+
+/****************************************************************************
+ * Private Type
+ ****************************************************************************/
+
+struct thread_parmeter_s
+{
+ FAR int *result;
+ FAR spinlock_t *lock;
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static FAR void *thread_spinlock(FAR void *parameter)
+{
+ FAR int *result = ((FAR struct thread_parmeter_s *)parameter)->result;
+ FAR spinlock_t *lock = ((FAR struct thread_parmeter_s *)parameter)->lock;
+
+ int i;
+
+ for (i = 0; i < TEST_NUM; i++)
+ {
+ spin_lock(lock);
+ (*result)++;
+ spin_unlock(lock);
+ }
+
+ return NULL;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+void main(void)
+{
+ spinlock_t lock = SP_UNLOCKED;
+ int result = 0;
+ pthread_t thread[THREAD_NUM];
+ struct thread_parmeter_s para;
+ clock_t start;
+ clock_t end;
+
+ int status;
+ int i;
+
+ para.result = &result;
+ para.lock = &lock;
+
+ start = perf_gettime();
+ for (i = 0; i < THREAD_NUM; ++i)
+ {
+ status = pthread_create(&thread[i], NULL,
+ thread_spinlock, ¶);
+ if (status != 0)
+ {
+ printf("spinlock_test: ERROR pthread_create failed, status=%d\n",
+ status);
+ ASSERT(false);
+ }
+ }
+
+ for (i = 0; i < THREAD_NUM; ++i)
+ {
+ pthread_join(thread[i], NULL);
+ }
+
+ end = perf_gettime();
+ assert(result == THREAD_NUM * TEST_NUM);
+
+ printf("total_time: %lu\n", end - start);
+}
