tool: added cpu profiling support

apollo.sh

@@ -612,7 +612,7 @@ function main() {
       apollo_build_dbg $@
       ;;
     build_prof)
-      DEFINES="${DEFINES} --cxxopt=-DCPU_ONLY  --copt='-pg' --cxxopt='-pg' --linkopt='-pg'"
+      DEFINES="${DEFINES} --config=cpu_prof --cxxopt=-DCPU_ONLY"
       apollo_build_dbg $@
       ;;
     build_no_perception)

tools/bazel.rc

@@ -55,6 +55,9 @@ build --spawn_strategy=standalone
 # Specify protobuf cc toolchain
 build --proto_toolchain_for_cc="@com_google_protobuf//:cc_toolchain"
 
+# build with profiling
+build:cpu_prof --linkopt=-lprofiler
+
 # Enable C++14
 # build --cxxopt="-std=c++14"
 # Enable colorful output of GCC