scripts/bloat-o-meter: Support comparing library archives

Library archives (.a) usually contain multiple object files so their output of nm --size-sort contains lines like: <omitted for brevity> 00000000000003a8 t run_test extent-map-tests.o: <omitted for brevity> bloat-o-meter currently doesn't handle them which results in errors when calling .split() on them. Fix this by simply ignoring them. This enables diffing subsystems which generate built-in.a files. Signed-off-by: Nikolay Borisov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
vieko · Aug 7, 2020 · 1d35b60 · 1d35b60
1 parent 4f491bb
commit 1d35b60
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
@@ -26,6 +26,8 @@ def getsizes(file, format):
     sym = {}
     with os.popen("nm --size-sort " + file) as f:
         for line in f:
+            if line.startswith("\n") or ":" in line:
+                continue
             size, type, name = line.split()
             if type in format:
                 # strip generated symbols