gprof: move gprof function from sched to libbuiltin/libgcc

1. Enable interrupt gprof please config CONFIG_GPROF_PROFILING 2. Enable instuction gprof please add compile opt "-pg" or config CONFIG_GPROF_ALL Signed-off-by: wangmingrong1 <[email protected]>
apache · Nov 12, 2024 · 7b95b22 · 7b95b22
1 parent 0c9203b
commit 7b95b22
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Showing 20 changed files with 675 additions and 44 deletions.
diff --git a/arch/arm/src/cmake/armclang.cmake b/arch/arm/src/cmake/armclang.cmake
@@ -120,7 +120,7 @@ if(CONFIG_SCHED_GCOV)
   add_compile_options(-fprofile-generate -ftest-coverage)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 

diff --git a/arch/arm/src/cmake/clang.cmake b/arch/arm/src/cmake/clang.cmake
@@ -121,7 +121,7 @@ if(CONFIG_SCHED_GCOV_ALL)
   add_compile_options(-fprofile-generate -ftest-coverage)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 

diff --git a/arch/arm/src/cmake/gcc.cmake b/arch/arm/src/cmake/gcc.cmake
@@ -131,7 +131,7 @@ if(CONFIG_SCHED_GCOV_ALL)
   add_compile_options(-fprofile-generate -ftest-coverage)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 
@@ -165,7 +165,7 @@ if(CONFIG_ARCH_INSTRUMENT_ALL)
   add_compile_options(-finstrument-functions)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 

diff --git a/arch/arm/src/cmake/ghs.cmake b/arch/arm/src/cmake/ghs.cmake
@@ -92,7 +92,7 @@ if(CONFIG_SCHED_GCOV_ALL)
   add_compile_options(-fprofile-generate -ftest-coverage)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 

diff --git a/arch/arm/src/common/Toolchain.defs b/arch/arm/src/common/Toolchain.defs
@@ -72,7 +72,7 @@ ifneq ($(CONFIG_STACK_USAGE_WARNING),0)
   ARCHOPTIMIZATION += -Wstack-usage=$(CONFIG_STACK_USAGE_WARNING)
 endif
 
-ifeq ($(CONFIG_SCHED_GPROF_ALL),y)
+ifeq ($(CONFIG_GPROF_ALL),y)
   ARCHOPTIMIZATION += -pg
 endif
 

diff --git a/arch/arm64/src/Toolchain.defs b/arch/arm64/src/Toolchain.defs
@@ -96,7 +96,7 @@ ifeq ($(CONFIG_ARCH_INSTRUMENT_ALL),y)
   ARCHOPTIMIZATION += -finstrument-functions
 endif
 
-ifeq ($(CONFIG_SCHED_GPROF_ALL),y)
+ifeq ($(CONFIG_GPROF_ALL),y)
   ARCHOPTIMIZATION += -pg
 endif
 

diff --git a/arch/arm64/src/cmake/Toolchain.cmake b/arch/arm64/src/cmake/Toolchain.cmake
@@ -135,7 +135,7 @@ if(CONFIG_ARCH_INSTRUMENT_ALL)
   add_compile_options(-finstrument-functions)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL)
+if(CONFIG_GPROF_ALL)
   add_compile_options(-pg)
 endif()
 

diff --git a/arch/sim/Kconfig b/arch/sim/Kconfig
@@ -92,7 +92,7 @@ config SIM_UBSAN_DUMMY
 
 config SIM_GPROF
 	bool "Enable gprof"
-	depends on !SCHED_GPROF
+	depends on !GPROF_PROFILING
 	default n
 	---help---
 		Enable support gprof profiling tool.

diff --git a/arch/sim/src/cmake/Toolchain.cmake b/arch/sim/src/cmake/Toolchain.cmake
@@ -90,7 +90,7 @@ if(CONFIG_SCHED_GCOV_ALL)
   add_compile_options(-fprofile-generate -ftest-coverage)
 endif()
 
-if(CONFIG_SCHED_GPROF_ALL OR CONFIG_SIM_GPROF)
+if(CONFIG_GPROF_ALL OR CONFIG_SIM_GPROF)
   add_compile_options(-pg)
 endif()
 

diff --git a/boards/sim/sim/sim/scripts/Make.defs b/boards/sim/sim/sim/scripts/Make.defs
@@ -76,7 +76,7 @@ ifeq ($(CONFIG_SCHED_GCOV_ALL),y)
   ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
 endif
 
-ifneq ($(CONFIG_SCHED_GPROF_ALL)$(CONFIG_SIM_GPROF),)
+ifneq ($(CONFIG_GPROF_ALL)$(CONFIG_SIM_GPROF),)
   ARCHOPTIMIZATION += -pg
 endif
 

diff --git a/libs/libbuiltin/Kconfig b/libs/libbuiltin/Kconfig
@@ -35,6 +35,30 @@ config COVERAGE_COMPILER_RT
 	select LIB_COMPILER_RT
 	default n
 
+config GPROF_PROFILING
+	bool "Enable gprof profiling"
+	select LIB_BUILTIN
+	default n
+	---help---
+		Enable gprof profiling support.  This will cause the compiler to
+		generate additional code to support profiling.  This will also
+		cause the linker to include the gmon.out file in the final
+		executable.
+		Add the "-pg" parameter to the Makefile when compiling to obtain
+		the function call graph of the specified module. If you do this,
+		please enable "CONFIG_FRAME_POINTER"
+
+config GPROF_ALL
+	bool "Enable gprof call graph for all modules"
+	depends on FRAME_POINTER
+	depends on GPROF_PROFILING
+	default n
+	---help---
+		Enable gprof profiling for all code, it will instrument
+		all code, which will cause a large performance penalty for the code.
+		You can add the '-pg' parameter to the specified module in the
+		makefile to only analyze the content of the module.
+
 config LIB_COMPILER_RT_VERSION
 	string "Select LLVM Compiler-rt version"
 	depends on LIB_COMPILER_RT

diff --git a/libs/libbuiltin/Makefile b/libs/libbuiltin/Makefile
@@ -30,6 +30,8 @@ ifeq ($(CONFIG_LIB_COMPILER_RT),y)
 include compiler-rt/Make.defs
 endif
 
+include libgcc/Make.defs
+
 AOBJS = $(addprefix $(BINDIR)$(DELIM), $(ASRCS:.S=$(OBJEXT)))
 COBJS = $(addprefix $(BINDIR)$(DELIM), $(CSRCS:.c=$(OBJEXT)))
 CXXOBJS = $(addprefix $(BINDIR)$(DELIM), $(CXXSRCS:.cxx=$(OBJEXT)))

diff --git a/libs/libbuiltin/libgcc/CMakeLists.txt b/libs/libbuiltin/libgcc/CMakeLists.txt
@@ -0,0 +1,24 @@
+# ##############################################################################
+# libs/libbuiltin/libgcc/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_GPROF_PROFILING)
+  nuttx_add_system_library(libgprof)
+  target_sources(libgprof PRIVATE gprof/profile_monitor.c)
+endif()
diff --git a/libs/libbuiltin/libgcc/Make.defs b/libs/libbuiltin/libgcc/Make.defs
@@ -0,0 +1,28 @@
+############################################################################
+# libs/libbuiltin/libgcc/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.
+#
+############################################################################
+
+ifeq ($(CONFIG_GPROF_PROFILING),y)
+
+CSRCS += profile_monitor.c
+
+DEPPATH += --dep-path libgcc/gprof
+VPATH += :libgcc/gprof
+
+endif