From d1ce34964bc76c85c286ffe73017842336c46b87 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric.bail@free.fr>
Date: Thu, 18 Mar 2010 14:43:39 +0000
Subject: [PATCH] 	* ecore: Add memory statistic support. Set
 ECORE_MEM_STAT environment 	variable to get them.

SVN revision: 47319
---
 legacy/ecore/configure.ac          | 10 +++++
 legacy/ecore/src/lib/ecore/ecore.c | 70 +++++++++++++++++++++++++++++-
 2 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/legacy/ecore/configure.ac b/legacy/ecore/configure.ac
index 13074d15ba..1ee7fa3369 100644
--- a/legacy/ecore/configure.ac
+++ b/legacy/ecore/configure.ac
@@ -950,6 +950,15 @@ if test "x$have_atfile_source" != "xno"; then
                 ])
 fi
 
+### Checks for optionnal feature
+AC_CHECK_FUNC(mallinfo,
+	[
+	  have_mallinfo=yes
+	  AC_DEFINE(HAVE_MALLINFO, 1, [Gather memory statistic])
+	], [
+	  have_mallinfo=no
+	])
+
 ### Ecore modules
 
 ## Core modules
@@ -1360,6 +1369,7 @@ echo
 echo "  Ecore........................: always"
 echo "    Thread support.............: $have_pthread"
 echo "    GLib support...............: $have_glib"
+echo "    Gathering memory statistic.: $have_mallinfo"
 echo "  Ecore_Con....................: $have_ecore_con"
 if test "x$have_ecore_con" = "xyes" ; then
   echo $ECHO_N "    OpenSSL....................: $have_openssl $ECHO_C"
diff --git a/legacy/ecore/src/lib/ecore/ecore.c b/legacy/ecore/src/lib/ecore/ecore.c
index 45243bb019..8ad0dfba58 100644
--- a/legacy/ecore/src/lib/ecore/ecore.c
+++ b/legacy/ecore/src/lib/ecore/ecore.c
@@ -33,6 +33,19 @@
 #include "Ecore.h"
 #include "ecore_private.h"
 
+#if HAVE_MALLINFO
+#include <malloc.h>
+
+#define KEEP_MAX(Global, Local)			\
+   if (Global < (Local))			\
+     Global = Local;
+
+static int _ecore_memory_statistic(void *data);
+static int _ecore_memory_max_total = 0;
+static int _ecore_memory_max_free = 0;
+static pid_t _ecore_memory_pid = 0;
+#endif
+
 static const char *_ecore_magic_string_get(Ecore_Magic m);
 static int _ecore_init_count = 0;
 EAPI int _ecore_log_dom = -1;
@@ -103,9 +116,17 @@ ecore_init(void)
    _ecore_job_init();
    _ecore_loop_time = ecore_time_get();
 
+#if HAVE_MALLINFO
+   if (getenv("ECORE_MEM_STAT"))
+     {
+	_ecore_memory_pid = getpid();
+	ecore_animator_add(_ecore_memory_statistic, NULL);
+     }
+#endif
+
    return _ecore_init_count;
 
- shutdown_log_dom: 
+ shutdown_log_dom:
    eina_shutdown();
  shutdown_evil:
 #ifdef HAVE_EVIL
@@ -144,6 +165,19 @@ ecore_shutdown(void)
    _ecore_event_shutdown();
    _ecore_main_shutdown();
    _ecore_signal_shutdown();
+
+#if HAVE_MALLINFO
+   if (getenv("ECORE_MEM_STAT"))
+     {
+	_ecore_memory_statistic(NULL);
+
+	ERR("[%i] Memory MAX total: %i, free: %i",
+	    _ecore_memory_pid,
+	    _ecore_memory_max_total,
+	    _ecore_memory_max_free);
+     }
+#endif
+
    eina_log_domain_unregister(_ecore_log_dom);
    _ecore_log_dom = -1;
    eina_shutdown();
@@ -340,3 +374,37 @@ _ecore_fps_debug_runtime_add(double t)
 	*(_ecore_fps_runtime_mmap) += tm;
      }
 }
+
+#if HAVE_MALLINFO
+static int
+_ecore_memory_statistic(__UNUSED__ void *data)
+{
+   struct mallinfo mi;
+   static int uordblks = 0;
+   static int fordblks = 0;
+   Eina_Bool changed = EINA_FALSE;
+
+   mi = mallinfo();
+
+#define HAS_CHANGED(Global, Local)		\
+   if (Global != Local)				\
+     {						\
+	Global = Local;				\
+	changed = EINA_TRUE;			\
+     }
+
+   HAS_CHANGED(uordblks, mi.uordblks);
+   HAS_CHANGED(fordblks, mi.fordblks);
+
+   if (changed)
+     ERR("[%i] Memory total: %i, free: %i",
+	 _ecore_memory_pid,
+	 mi.uordblks,
+	 mi.fordblks);
+
+   KEEP_MAX(_ecore_memory_max_total, mi.uordblks);
+   KEEP_MAX(_ecore_memory_max_free, mi.fordblks);
+
+   return 1;
+}
+#endif