From 96bc58f0ebdbc2b0a0d39abf7d809ef8dc584a87 Mon Sep 17 00:00:00 2001
From: Peter van der Perk <peter.vanderperk@nxp.com>
Date: Wed, 28 Apr 2021 19:35:08 +0200
Subject: [PATCH] CMake Bloaty add static ram usage breakout

---
 .github/workflows/compile_nuttx.yml |  2 ++
 Tools/bloaty_static_ram.bloaty      | 13 +++++++++++++
 cmake/bloaty.cmake                  |  7 +++++++
 3 files changed, 22 insertions(+)
 create mode 100644 Tools/bloaty_static_ram.bloaty

diff --git a/.github/workflows/compile_nuttx.yml b/.github/workflows/compile_nuttx.yml
index f16630e572..23ee6eaa41 100644
--- a/.github/workflows/compile_nuttx.yml
+++ b/.github/workflows/compile_nuttx.yml
@@ -123,6 +123,8 @@ jobs:
       run: make ${{matrix.config}} bloaty_symbols || true
     - name: make ${{matrix.config}} bloaty_templates
       run: make ${{matrix.config}} bloaty_templates || true
+    - name: make ${{matrix.config}} bloaty_ram
+      run: make ${{matrix.config}} bloaty_ram || true
     - name: make ${{matrix.config}} bloaty_compare_master
       run: make ${{matrix.config}} bloaty_compare_master || true
     - name: ccache post-run
diff --git a/Tools/bloaty_static_ram.bloaty b/Tools/bloaty_static_ram.bloaty
new file mode 100644
index 0000000000..5d6908075e
--- /dev/null
+++ b/Tools/bloaty_static_ram.bloaty
@@ -0,0 +1,13 @@
+custom_data_source: {
+  name: "bloaty_static_ram"
+  base_data_source: "sections"
+
+  rewrite: {
+    pattern: "^\\.bss"
+    replacement: "ram"
+  }
+  rewrite: {
+    pattern: "^\\.data"
+    replacement: "ram"
+  }
+}
diff --git a/cmake/bloaty.cmake b/cmake/bloaty.cmake
index 7a0f25b48e..4092397f80 100644
--- a/cmake/bloaty.cmake
+++ b/cmake/bloaty.cmake
@@ -71,6 +71,13 @@ if (BLOATY_PROGRAM)
 		USES_TERMINAL
 		)
 
+	# bloaty statically allocated RAM
+	add_custom_target(bloaty_ram
+		COMMAND ${BLOATY_PROGRAM} -c ${PX4_SOURCE_DIR}/Tools/bloaty_static_ram.bloaty -d bloaty_static_ram,compileunits --source-filter ^ram$ ${BLOATY_OPTS} $<TARGET_FILE:px4>
+		DEPENDS px4
+		USES_TERMINAL
+		)
+
 	# bloaty compare with last master build
 	add_custom_target(bloaty_compare_master
 		COMMAND wget -c -N --no-verbose https://s3.amazonaws.com/px4-travis/Firmware/master/${PX4_BOARD_VENDOR}_${PX4_BOARD_MODEL}_${PX4_BOARD_LABEL}.elf -O master.elf