diff --git a/apps/plugins/doom/Makefile b/apps/plugins/doom/Makefile
index ea5644122c..0eef697292 100644
--- a/apps/plugins/doom/Makefile
+++ b/apps/plugins/doom/Makefile
@@ -3,7 +3,10 @@
 # $Id$
 #
 # $Log$
-# Revision 1.2  2006/03/29 21:16:45  kkurbjun
+# Revision 1.3  2006/04/14 21:07:56  kkurbjun
+# Start of profiling support for doom.
+#
+# Revision 1.2  2006-03-29 21:16:45  kkurbjun
 # Use rockbox endian defines
 #
 # Revision 1.1  2006-03-28 15:44:01  dave
@@ -15,7 +18,7 @@ INCLUDES = -I$(APPSDIR) -I.. -I. -I$(FIRMDIR)/include -I$(FIRMDIR)/export \
  -I$(FIRMDIR)/common -I$(FIRMDIR)/drivers -I$(OUTDIR) -I$(BUILDDIR)
 CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) \
  -DTARGET_ID=$(TARGET_ID) -DMEM=${MEMORYSIZE} -DPLUGIN \
- -Wno-strict-prototypes -O2
+ -Wno-strict-prototypes -O2 $(PROFILE_OPTS)
 
 ifdef APPEXTRA
    INCLUDES += $(patsubst %,-I$(APPSDIR)/%,$(subst :, ,$(APPEXTRA)))
diff --git a/apps/plugins/doom/i_system.c b/apps/plugins/doom/i_system.c
index 3de236aede..450c213252 100644
--- a/apps/plugins/doom/i_system.c
+++ b/apps/plugins/doom/i_system.c
@@ -16,7 +16,10 @@
 // GNU General Public License for more details.
 //
 // $Log$
-// Revision 1.7  2006/04/04 11:16:44  dave
+// Revision 1.8  2006/04/14 21:07:55  kkurbjun
+// Start of profiling support for doom.
+//
+// Revision 1.7  2006-04-04 11:16:44  dave
 // Correct the #ifdef logic for timer_unregister() and add a comment describing why we need to surround the use of the user timer with #ifdefs
 //
 // Revision 1.6  2006-04-03 17:32:46  dave
@@ -60,17 +63,17 @@
 
 //
 // I_GetTime
-// returns time in 1/35th second tics
+// returns time in 1/70th second tics
 //
 
 /* NOTE: 
 
-   The user timer is used to generate a 35Hz tick for Doom.  But it
+   The user timer is used to generate a 70Hz tick for Doom.  But it
    is unavailable for the grayscale targets (it's used by the grayscale
    lib) and is not implemented in the simulator - so we have to
    approximate it using current_tick.
 */
-#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
+#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR) && !defined(RB_PROFILE)
 volatile unsigned int doomtimer=0;
 
 void doomtime(void)
@@ -81,8 +84,8 @@ void doomtime(void)
 
 int  I_GetTime (void)
 {
-#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
-   return doomtimer; 
+#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR) && !defined(RB_PROFILE)
+   return doomtimer;
 #else
 #if HZ==100
    return ((7*(*rb->current_tick))/20);
@@ -102,7 +105,7 @@ int  I_GetTime (void)
 // The game is much slower now (in terms of game speed).
 void I_Init (void)
 {
-#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
+#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR) && !defined(RB_PROFILE)
    rb->timer_register(1, NULL, TIMER_FREQ/TICRATE, 1, doomtime);
 #endif
    I_InitSound();
@@ -117,7 +120,7 @@ void I_Quit (void)
    I_ShutdownSound();
    I_ShutdownMusic();
    I_ShutdownGraphics();
-#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
+#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR) && !defined(RB_PROFILE)
    rb->timer_unregister();
 #endif
    doomexit=1;
diff --git a/apps/plugins/doom/rockdoom.c b/apps/plugins/doom/rockdoom.c
index c65cdc9cac..81466ac860 100644
--- a/apps/plugins/doom/rockdoom.c
+++ b/apps/plugins/doom/rockdoom.c
@@ -838,8 +838,17 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 
    systemvol= rb->global_settings->volume-rb->global_settings->volume%((rb->sound_max(SOUND_VOLUME)-rb->sound_min(SOUND_VOLUME))/15);
    general_translucency = default_translucency;                    // phares
+
+#ifdef RB_PROFILE
+   rb->profile_thread();
+#endif
+
    D_DoomMain ();
 
+#ifdef RB_PROFILE
+   rb->profstop();
+#endif
+
    M_SaveDefaults ();
 
    I_Quit(); // Make SURE everything was closed out right