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

@@ -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;

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);

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";
+}