add ENABLE_HOTFUNC to control HOTFUNC_OPT

build.sh

@@ -146,7 +146,7 @@ function do_clean
 function build_package
 {
    STATIC_LINK_LGPL_DEPS_OPTION=OFF
-    do_build "$@" -DOB_BUILD_PACKAGE=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DOB_USE_LLD=$LLD_OPTION -DENABLE_FATAL_ERROR_HANG=OFF -DENABLE_AUTO_FDO=ON -DENABLE_THIN_LTO=ON -DOB_STATIC_LINK_LGPL_DEPS=$STATIC_LINK_LGPL_DEPS_OPTION
+    do_build "$@" -DOB_BUILD_PACKAGE=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DOB_USE_LLD=$LLD_OPTION -DENABLE_FATAL_ERROR_HANG=OFF -DENABLE_AUTO_FDO=ON -DENABLE_THIN_LTO=ON -DENABLE_HOTFUNC=ON -DOB_STATIC_LINK_LGPL_DEPS=$STATIC_LINK_LGPL_DEPS_OPTION
 }
 
 # build - configurate project and prepare to compile, by calling make
@@ -184,7 +184,7 @@ function build
         ln -sf ${TOPDIR}/build_clangd/compile_commands.json ${TOPDIR}/compile_commands.json
         ;;
       xperf)
-        do_build "$@" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_AUTO_FDO=ON -DENABLE_THIN_LTO=ON -DOB_USE_LLD=$LLD_OPTION
+        do_build "$@" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_AUTO_FDO=ON -DENABLE_THIN_LTO=ON -DOB_USE_LLD=$LLD_OPTION -DENABLE_HOTFUNC=ON
         ;;
       xdebug_asan)
         do_build "$@" -DCMAKE_BUILD_TYPE=Debug -DOB_USE_LLD=$LLD_OPTION -DOB_USE_ASAN=$ASAN_OPTION

cmake/Env.cmake

@@ -68,6 +68,11 @@ if(ENABLE_THIN_LTO)
   set(THIN_LTO_CONCURRENCY_LINK "-Wl,--thinlto-jobs=${LTO_JOBS}")
 endif()
 
+set(HOTFUNC_OPT "")
+if(ENABLE_HOTFUNC)
+  set(HOTFUNC_OPT "-Wl,--no-warn-symbol-ordering,--symbol-ordering-file,${HOTFUNC_PATH}")
+endif()
+
 set(ob_close_modules_static_name "")
 set(ob_close_deps_static_name "")
 
@@ -201,7 +206,7 @@ if (OB_USE_CLANG)
   if (OB_USE_LLD)
     set(LD_OPT "-fuse-ld=${DEVTOOLS_DIR}/bin/ld.lld")
     set(REORDER_COMP_OPT "-ffunction-sections -fdebug-info-for-profiling")
-    set(REORDER_LINK_OPT "-Wl,--no-rosegment,--build-id=sha1,--no-warn-symbol-ordering,--symbol-ordering-file,${HOTFUNC_PATH}")
+    set(REORDER_LINK_OPT "-Wl,--no-rosegment,--build-id=sha1 ${HOTFUNC_OPT}")
     set(OB_LD_BIN "${DEVTOOLS_DIR}/bin/ld.lld")
   endif()
   set(CMAKE_CXX_FLAGS "--gcc-toolchain=${GCC9} ${DEBUG_PREFIX} ${AUTO_FDO_OPT} ${THIN_LTO_OPT} -fcolor-diagnostics ${REORDER_COMP_OPT} -fmax-type-align=8 ${CMAKE_ASAN_FLAG} -std=gnu++11")
@@ -233,7 +238,7 @@ else()
   if (OB_USE_LLD)
     set(LD_OPT "-B${CMAKE_SOURCE_DIR}/rpm/.compile")
     set(REORDER_COMP_OPT "-ffunction-sections")
-    set(REORDER_LINK_OPT "-Wl,--no-warn-symbol-ordering,--symbol-ordering-file,${HOTFUNC_PATH}")
+    set(REORDER_LINK_OPT "${HOTFUNC_OPT}")
   endif()
   set(CMAKE_CXX_FLAGS "${LD_OPT} -fdiagnostics-color ${REORDER_COMP_OPT}")
   set(CMAKE_C_FLAGS "${LD_OPT} -fdiagnostics-color ${REORDER_COMP_OPT}")