Commit b21e91c3 authored May 19, 2016 by Vineet Gupta Committed by Linus Torvalds May 19, 2016

scripts/bloat-o-meter: print percent change

This adds an additional line of output (to reduce the chances of
breaking any existing output parsers) which prints the total size before
and after and the relative difference.

  add/remove: 39/0 grow/shrink: 12408/55 up/down: 362227/-1430 (360797)
  function                                     old     new   delta
  ext4_fill_super                            10556   12590   +2034
  _fpadd_parts                                   -    1186   +1186
  ntfs_fill_super                             5340    6164    +824
  ...
  ...
  __divdf3                                     752     386    -366
  unlzma                                      3682    3274    -408
  Total: Before=5023101, After=5383898, chg 7.000000%
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Link: http://lkml.kernel.org/r/1463124110-30314-1-git-send-email-vgupta@synopsys.com


Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent bad7de74

scripts/bloat-o-meter

+6 −0

Original line number	Diff line number	Diff line
		@@ -32,18 +32,21 @@ old = getsizes(sys.argv[1])
		new = getsizes(sys.argv[2])
		grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
		delta, common = [], {}
		otot, ntot = 0, 0

		for a in old:
		if a in new:
		common[a] = 1

		for name in old:
		otot += old[name]
		if name not in common:
		remove += 1
		down += old[name]
		delta.append((-old[name], name))

		for name in new:
		ntot += new[name]
		if name not in common:
		add += 1
		up += new[name]
		@@ -63,3 +66,6 @@ print("add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
		print("%-40s %7s %7s %+7s" % ("function", "old", "new", "delta"))
		for d, n in delta:
		if d: print("%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d))

		print("Total: Before=%d, After=%d, chg %f%%" % \
		(otot, ntot, (ntot - otot)*100/otot))

Admin message