+ scripts-bloat-o-meter-print-percent-change.patch added to -mm tree

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The patch titled
     Subject: scripts/bloat-o-meter: print percent change
has been added to the -mm tree.  Its filename is
     scripts-bloat-o-meter-print-percent-change.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/scripts-bloat-o-meter-print-percent-change.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/scripts-bloat-o-meter-print-percent-change.patch

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------------------------------------------------------
From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxx
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 scripts/bloat-o-meter |    6 ++++++
 1 file changed, 6 insertions(+)

diff -puN scripts/bloat-o-meter~scripts-bloat-o-meter-print-percent-change scripts/bloat-o-meter
--- a/scripts/bloat-o-meter~scripts-bloat-o-meter-print-percent-change
+++ a/scripts/bloat-o-meter
@@ -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
 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))
_

Patches currently in -mm which might be from Vineet.Gupta1@xxxxxxxxxxxx are

scripts-bloat-o-meter-print-percent-change.patch

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