feat: Add build options for enabling profiling (acts-project#1273)

Separate build options for enabling CPU and memory profiling are enabled
They link the libraries used by the tools as this is the simplest way
and follows established style

CMakeLists.txt

@@ -69,6 +69,9 @@ option(ACTS_USE_SYSTEM_BOOST "Use a system-provided boost" ON)
 option(ACTS_SETUP_EIGEN3 "Explicitly set up Eigen3 for the project" ON)
 option(ACTS_USE_SYSTEM_EIGEN3 "Use a system-provided eigen3" ON)
 option(ACTS_BUILD_ODD "Build the OpenDataDetector" OFF)
+# profiling related optios
+option(ACTS_ENABLE_CPU_PROFILING "Enable CPU profiling using gperftools" OFF)
+option(ACTS_ENABLE_MEMORY_PROFILING "Enable memory profiling using gperftools" OFF)
 
 # handle option inter-dependencies and the everything flag
 # NOTE: ordering is important here. dependencies must come before dependees
@@ -339,6 +342,12 @@ if(ACTS_BUILD_BENCHMARKS OR ACTS_BUILD_INTEGRATIONTESTS OR ACTS_BUILD_UNITTESTS)
   add_subdirectory(Tests)
 endif()
 
+#generate debug information
+if(ACTS_ENABLE_CPU_PROFILING)
+  message(STATUS "Added -g compile flag")
+  add_compile_options(-g)
+endif()
+
 # documentation
 add_subdirectory_if(docs ACTS_BUILD_DOCS)
 

Core/CMakeLists.txt

@@ -37,6 +37,24 @@ if(ACTS_LOG_FAILURE_THRESHOLD)
     PUBLIC -DACTS_LOG_FAILURE_THRESHOLD=${ACTS_LOG_FAILURE_THRESHOLD})
 endif()
 
+if(ACTS_ENABLE_CPU_PROFILING)
+  message(STATUS "added lprofiler")
+  target_link_libraries(
+    ActsCore
+    PUBLIC -lprofiler)
+
+  target_link_options(
+    ActsCore
+      PUBLIC "LINKER:-no-as-needed")
+endif()
+
+if(ACTS_ENABLE_MEMORY_PROFILING)
+  message(STATUS "added ltcmalloc")
+  target_link_libraries(
+    ActsCore
+    PUBLIC -ltcmalloc)
+endif()
+
 install(
   TARGETS ActsCore
   EXPORT ActsCoreTargets