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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