diff --git a/.github/workflows/metric-workflow.yml b/.github/workflows/metric-workflow.yml
index 2d2ebbdf4..0a837d2d4 100644
--- a/.github/workflows/metric-workflow.yml
+++ b/.github/workflows/metric-workflow.yml
@@ -27,7 +27,7 @@ jobs:
         run: make -j2 -C head epsilon.elf
       - name: Retrieve binary size analysis
         id: binary_size
-        run: echo "::set-output name=table::$(python3 head/build/metrics/binary_size.py base/output/release/device/n0110/epsilon.elf head/output/release/device/n0110/epsilon.elf --labels Base Head --sections .text .rodata .bss .data --escape)"
+        run: echo "::set-output name=table::$(python3 head/build/metrics/binary_size.py base/output/release/device/n0110/epsilon.elf head/output/release/device/n0110/epsilon.elf --labels Base Head --sections .text .rodata .bss .data --custom 'Total (RAM)' .data .bss --custom 'Total (ROM)' .text .rodata .data --escape)"
       - name: Prepare comment auth
         run: echo "::set-env name=GITHUB_TOKEN::$(echo YjgxYTk1YTQ4YzYxNjU4ZTA3YWQzNDYwNTk3ZTI2MTlkODU5MThlOQo= | base64 --decode)"
       - name: Add comment
diff --git a/build/metrics/binary_size.py b/build/metrics/binary_size.py
index 867661070..52c661e7d 100644
--- a/build/metrics/binary_size.py
+++ b/build/metrics/binary_size.py
@@ -118,6 +118,7 @@ parser.add_argument('files', type=str, nargs='+', help='an ELF file')
 parser.add_argument('--labels', type=str, nargs='+', help='label for ELF file')
 parser.add_argument('--sections', type=str, nargs='+', help='Section (prefix) to list')
 parser.add_argument('--escape', action='store_true', help='Escape the output')
+parser.add_argument('--custom', type=str, action='append', nargs='+', help='Custom sections, made from the addition of other sections.')
 args = parser.parse_args()
 
 
@@ -128,7 +129,14 @@ for i,filename in enumerate(args.files):
   label = os.path.basename(filename)
   if args.labels and i < len(args.labels):
     label = args.labels[i]
-  table.append({'label': label, 'values': row_for_elf(filename, args.sections)})
+  values = row_for_elf(filename, args.sections)
+  for custom_section in args.custom:
+    if (len(custom_section) >= 2):
+      custom_section_size = 0
+      for i in range(len(custom_section) - 1):
+         custom_section_size += values[custom_section[i + 1]]
+      values[custom_section[0]] = custom_section_size
+  table.append({'label': label, 'values': values})
 formatted_table = format_table(table)
 
 if args.escape: