From 7e44438936091746fd5b192ca2fae3cd1b105713 Mon Sep 17 00:00:00 2001
From: Jonathan Gordon <rockbox@jdgordon.info>
Date: Sun, 25 Sep 2011 12:05:03 +0000
Subject: [PATCH] Add a simple perl script to display info about what is
 allocating skin buffer. To use it enable DEBUG_SKIN_ALLOCATIONS in
 skin_buffer.h and pipe the rockboxui output to the script

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30597 a1c6a512-1295-4272-9138-f99709370657
---
 lib/skin_parser/skin_buffer.c        |  8 +++++++
 lib/skin_parser/skin_buffer.h        | 11 ++++++++++
 lib/skin_parser/skin_buffer_debug.pl | 31 ++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100755 lib/skin_parser/skin_buffer_debug.pl

diff --git a/lib/skin_parser/skin_buffer.c b/lib/skin_parser/skin_buffer.c
index 94f2e3ba7d..5a9d4464b8 100644
--- a/lib/skin_parser/skin_buffer.c
+++ b/lib/skin_parser/skin_buffer.c
@@ -98,9 +98,17 @@ void skin_buffer_init(char* buffer, size_t size)
 }
 
 /* Allocate size bytes from the buffer */
+#ifdef DEBUG_SKIN_ALLOCATIONS
+void* skin_buffer_alloc_ex(size_t size, char* debug)
+{
+    void *retval = NULL;
+    printf("%d %s\n", size, debug);
+#else
 void* skin_buffer_alloc(size_t size)
 {
     void *retval = NULL;
+#endif
+
 #ifdef USE_ROCKBOX_ALLOC
     /* 32-bit aligned */
     size = (size + 3) & ~3;
diff --git a/lib/skin_parser/skin_buffer.h b/lib/skin_parser/skin_buffer.h
index 1698b8afb2..b2ed34e09f 100644
--- a/lib/skin_parser/skin_buffer.h
+++ b/lib/skin_parser/skin_buffer.h
@@ -27,7 +27,18 @@
 #define _SKIN_BUFFFER_H_
 void skin_buffer_init(char* buffer, size_t size);
 /* Allocate size bytes from the buffer */
+
+/* #define DEBUG_SKIN_ALLOCATIONS */
+
+#ifdef DEBUG_SKIN_ALLOCATIONS 
+#define FOO(X) #X
+#define STRNG(X) FOO(X)
+#define skin_buffer_alloc(s) skin_buffer_alloc_ex(s, __FILE__ ":" STRNG(__LINE__))
+void* skin_buffer_alloc_ex(size_t size, char* str);
+#else
 void* skin_buffer_alloc(size_t size);
+#endif
+
 
 /* get the number of bytes currently being used */
 size_t skin_buffer_usage(void);
diff --git a/lib/skin_parser/skin_buffer_debug.pl b/lib/skin_parser/skin_buffer_debug.pl
new file mode 100755
index 0000000000..6d0d1ba0e7
--- /dev/null
+++ b/lib/skin_parser/skin_buffer_debug.pl
@@ -0,0 +1,31 @@
+#!/usr/bin/perl
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+# $Id$
+#
+
+%allocs = ();
+
+while (<>) {
+    if (/([0-9]*) (.*)$/) {
+        $key = $2;
+        $value = $1;
+        if (exists $allocs{$key}) {
+            $val = $allocs{$key}[0];
+            $count = $allocs{$key}[1];
+            $allocs{$key} = [$value + $val, $count+1]
+        } else {
+            $allocs{$key} = [$value, 1]
+        }
+    }
+}
+print "Count\tTotal cost\tLine\n";
+for my $key ( keys %allocs ) {
+            $val = $allocs{$key}[0];
+            $count = $allocs{$key}[1];
+        print "$count\t$val\t$key\n";
+}