correctly add -lm for math lib
[lttv.git] / ltt / branches / poly / lttv / modules / gui / controlflow / eventhooks.c
index 01a49c3b7ce8541aa6040c2016a9e5f1dded803f..e3ce26461e57fb7320f0b5cea88bbd248cd3a03d 100644 (file)
@@ -71,7 +71,6 @@
 #include "cfv.h"
 #include "processlist.h"
 #include "drawing.h"
-#include "cfv-private.h"
 
 
 #define MAX_PATH_LEN 256
@@ -142,8 +141,6 @@ gint background_ready(void *hook_data, void *call_data)
 {
   ControlFlowData *control_flow_data = (ControlFlowData *)hook_data;
   LttvTrace *trace = (LttvTrace*)call_data;
-  LttvTracesetContext *tsc =
-        lttvwindow_get_traceset_context(control_flow_data->tab);
 
   control_flow_data->background_info_waiting--;
   
@@ -236,7 +233,6 @@ h_guicontrolflow(Tab *tab)
   
   control_flow_data->tab = tab;
   
-  //g_debug("time width2 : %u",time_window->time_width);
   // Unreg done in the GuiControlFlow_Destructor
   lttvwindow_register_traceset_notify(tab,
         traceset_notify,
@@ -268,10 +264,11 @@ int event_selected_hook(void *hook_data, void *call_data)
 
   g_debug("DEBUG : event selected by main window : %u", *event_number);
   
+  return 0;
 }
 
 /* Function that selects the color of status&exemode line */
-static __inline PropertiesLine prepare_s_e_line(LttvProcessState *process)
+static inline PropertiesLine prepare_s_e_line(LttvProcessState *process)
 {
   PropertiesLine prop_line;
   prop_line.line_width = 2;
@@ -279,9 +276,6 @@ static __inline PropertiesLine prepare_s_e_line(LttvProcessState *process)
   prop_line.y = MIDDLE;
   //GdkColormap *colormap = gdk_colormap_get_system();
   
-  g_debug("prepare_status_line for state : %s",
-      g_quark_to_string(process->state->s));
-
   if(process->state->s == LTTV_STATE_RUN) {
     if(process->state->t == LTTV_STATE_USER_MODE)
       prop_line.color = drawing_colors[COL_RUN_USER_MODE];
@@ -318,7 +312,7 @@ static __inline PropertiesLine prepare_s_e_line(LttvProcessState *process)
 }
 
 #if 0
-static __inline PropertiesLine prepare_status_line(LttvProcessState *process)
+static inline PropertiesLine prepare_status_line(LttvProcessState *process)
 {
   PropertiesLine prop_line;
   prop_line.line_width = 2;
@@ -380,27 +374,15 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  Drawing_t *drawing = control_flow_data->drawing;
 
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-  guint width = drawing->width;
 
   /* we are in a schedchange, before the state update. We must draw the
    * items corresponding to the state before it changes : now is the right
@@ -416,7 +398,6 @@ int before_schedchange_hook(void *hook_data, void *call_data)
     pid_out = ltt_event_get_long_unsigned(e,element);
     element = ltt_field_member(f,1);
     pid_in = ltt_event_get_long_unsigned(e,element);
-    g_debug("out : %u  in : %u", pid_out, pid_in);
   }
   
   { 
@@ -427,64 +408,70 @@ int before_schedchange_hook(void *hook_data, void *call_data)
      * present, it's a new process and it was not present : it will
      * be added after the state update.  */
     LttvProcessState *process;
-    process = lttv_state_find_process(tfs, pid_out);
+    /* unknown state, bad current pid */
+    if(tfs->process->pid != pid_out)
+      process = lttv_state_find_process(tfs, pid_out);
+    else
+      process = tfs->process;
     
     if(process != NULL) {
       /* Well, the process_out existed : we must get it in the process hash
        * or add it, and draw its items.
        */
        /* Add process to process list (if not present) */
-      guint y = 0, height = 0, pl_height = 0;
+      guint pl_height = 0;
       HashedProcessData *hashed_process_data = NULL;
       ProcessList *process_list = control_flow_data->process_list;
       LttTime birth = process->creation_time;
-      const gchar *name = g_quark_to_string(process->name);
       
-      if(processlist_get_process_pixels(process_list,
+      hashed_process_data = processlist_get_process_data(process_list,
               pid_out,
-              process->last_cpu,
+              process->last_cpu_index,
               &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data) == 1)
+              tfc->t_context->index);
+      if(hashed_process_data == NULL)
       {
         g_assert(pid_out == 0 || pid_out != process->ppid);
+        const gchar *name = g_quark_to_string(process->name);
         /* Process not present */
+        ProcessInfo *process_info;
+        Drawing_t *drawing = control_flow_data->drawing;
         processlist_add(process_list,
+            drawing,
             pid_out,
-            process->last_cpu,
+            process->last_cpu_index,
             process->ppid,
             &birth,
             tfc->t_context->index,
             name,
             &pl_height,
+            &process_info,
             &hashed_process_data);
-        processlist_get_process_pixels(process_list,
-                pid_out,
-                process->last_cpu,
-                &birth,
-                tfc->t_context->index,
-                &y,
-                &height,
-                &hashed_process_data);
-        drawing_insert_square( drawing, y, height);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+
       }
-    
+  
       /* Now, the process is in the state hash and our own process hash.
        * We definitely can draw the items related to the ending state.
        */
       
-      /* Check if the x position is unset. In can have been left unset by
-       * a draw closure from a after chunk hook. This should never happen,
-       * because it must be set by before chunk hook to the damage_begin
-       * value.
-       */
-      g_assert(hashed_process_data->x.middle != -1);
       if(ltt_time_compare(hashed_process_data->next_good_time,
                           evtime) > 0)
       {
         if(hashed_process_data->x.middle_marked == FALSE) {
+    
+          TimeWindow time_window = 
+            lttvwindow_get_time_window(control_flow_data->tab);
+#ifdef EXTRA_CHECK
+          if(ltt_time_compare(evtime, time_window.start_time) == -1
+                || ltt_time_compare(evtime, time_window.end_time) == 1)
+                    return;
+#endif //EXTRA_CHECK
+          Drawing_t *drawing = control_flow_data->drawing;
+          guint width = drawing->width;
           guint x;
           convert_time_to_pixels(
                     time_window,
@@ -494,13 +481,22 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           /* Draw collision indicator */
           gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-          gdk_draw_point(drawing->pixmap,
+          gdk_draw_point(hashed_process_data->pixmap,
                          drawing->gc,
                          x,
-                         y+(height/2)-3);
+                         (hashed_process_data->height/2)-3);
           hashed_process_data->x.middle_marked = TRUE;
         }
       } else {
+        TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
+#ifdef EXTRA_CHECK
+        if(ltt_time_compare(evtime, time_window.start_time) == -1
+              || ltt_time_compare(evtime, time_window.end_time) == 1)
+                  return;
+#endif //EXTRA_CHECK
+        Drawing_t *drawing = control_flow_data->drawing;
+        guint width = drawing->width;
         guint x;
         convert_time_to_pixels(
                   time_window,
@@ -516,10 +512,10 @@ int before_schedchange_hook(void *hook_data, void *call_data)
           if(hashed_process_data->x.middle_marked == FALSE) {
             /* Draw collision indicator */
             gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-            gdk_draw_point(drawing->pixmap,
+            gdk_draw_point(hashed_process_data->pixmap,
                            drawing->gc,
                            x,
-                           y+(height/2)-3);
+                           (hashed_process_data->height/2)-3);
             hashed_process_data->x.middle_marked = TRUE;
           }
           /* jump */
@@ -528,15 +524,15 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           /* Now create the drawing context that will be used to draw
            * items related to the last state. */
-          draw_context.drawable = drawing->pixmap;
+          draw_context.drawable = hashed_process_data->pixmap;
           draw_context.gc = drawing->gc;
           draw_context.pango_layout = drawing->pango_layout;
           draw_context.drawinfo.start.x = hashed_process_data->x.middle;
           draw_context.drawinfo.end.x = x;
 
-          draw_context.drawinfo.y.over = y+1;
-          draw_context.drawinfo.y.middle = y+(height/2);
-          draw_context.drawinfo.y.under = y+height;
+          draw_context.drawinfo.y.over = 1;
+          draw_context.drawinfo.y.middle = (hashed_process_data->height/2);
+          draw_context.drawinfo.y.under = hashed_process_data->height;
 
           draw_context.drawinfo.start.offset.over = 0;
           draw_context.drawinfo.start.offset.middle = 0;
@@ -579,58 +575,61 @@ int before_schedchange_hook(void *hook_data, void *call_data)
        * or add it, and draw its items.
        */
        /* Add process to process list (if not present) */
-      guint y = 0, height = 0, pl_height = 0;
+      guint pl_height = 0;
       HashedProcessData *hashed_process_data = NULL;
       ProcessList *process_list = control_flow_data->process_list;
       LttTime birth = process->creation_time;
-      const gchar *name = g_quark_to_string(process->name);
       
-      if(processlist_get_process_pixels(process_list,
+      hashed_process_data = processlist_get_process_data(process_list,
               pid_in,
-              process->last_cpu,
+              process->last_cpu_index,
               &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data) == 1)
+              tfc->t_context->index);
+      if(hashed_process_data == NULL)
       {
         g_assert(pid_in == 0 || pid_in != process->ppid);
+        const gchar *name = g_quark_to_string(process->name);
         /* Process not present */
+        ProcessInfo *process_info;
+        Drawing_t *drawing = control_flow_data->drawing;
         processlist_add(process_list,
+            drawing,
             pid_in,
-            process->last_cpu,
+            process->last_cpu_index,
             process->ppid,
             &birth,
             tfc->t_context->index,
             name,
             &pl_height,
+            &process_info,
             &hashed_process_data);
-        processlist_get_process_pixels(process_list,
-                pid_in,
-                process->last_cpu,
-                &birth,
-                tfc->t_context->index,
-                &y,
-                &height,
-                &hashed_process_data);
-        drawing_insert_square( drawing, y, height);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+
       }
+      //We could set the current process and hash here, but will be done
+      //by after schedchange hook
     
       /* Now, the process is in the state hash and our own process hash.
        * We definitely can draw the items related to the ending state.
        */
       
-      /* Check if the x position is unset. In can have been left unset by
-       * a draw closure from a after chunk hook. This should never happen,
-       * because it must be set by before chunk hook to the damage_begin
-       * value.
-       */
-      g_assert(hashed_process_data->x.middle != -1);
-
       if(ltt_time_compare(hashed_process_data->next_good_time,
                           evtime) > 0)
       {
         if(hashed_process_data->x.middle_marked == FALSE) {
+
+          TimeWindow time_window = 
+            lttvwindow_get_time_window(control_flow_data->tab);
+#ifdef EXTRA_CHECK
+          if(ltt_time_compare(evtime, time_window.start_time) == -1
+                || ltt_time_compare(evtime, time_window.end_time) == 1)
+                    return;
+#endif //EXTRA_CHECK
+          Drawing_t *drawing = control_flow_data->drawing;
+          guint width = drawing->width;
           guint x;
           convert_time_to_pixels(
                     time_window,
@@ -640,13 +639,22 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           /* Draw collision indicator */
           gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-          gdk_draw_point(drawing->pixmap,
+          gdk_draw_point(hashed_process_data->pixmap,
                          drawing->gc,
                          x,
-                         y+(height/2)-3);
+                         (hashed_process_data->height/2)-3);
           hashed_process_data->x.middle_marked = TRUE;
         }
       } else {
+        TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
+#ifdef EXTRA_CHECK
+        if(ltt_time_compare(evtime, time_window.start_time) == -1
+              || ltt_time_compare(evtime, time_window.end_time) == 1)
+                  return;
+#endif //EXTRA_CHECK
+        Drawing_t *drawing = control_flow_data->drawing;
+        guint width = drawing->width;
         guint x;
 
         convert_time_to_pixels(
@@ -663,10 +671,10 @@ int before_schedchange_hook(void *hook_data, void *call_data)
           if(hashed_process_data->x.middle_marked == FALSE) {
             /* Draw collision indicator */
             gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-            gdk_draw_point(drawing->pixmap,
+            gdk_draw_point(hashed_process_data->pixmap,
                            drawing->gc,
                            x,
-                           y+(height/2)-3);
+                           (hashed_process_data->height/2)-3);
             hashed_process_data->x.middle_marked = TRUE;
           }
           /* jump */
@@ -675,15 +683,15 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           /* Now create the drawing context that will be used to draw
            * items related to the last state. */
-          draw_context.drawable = drawing->pixmap;
+          draw_context.drawable = hashed_process_data->pixmap;
           draw_context.gc = drawing->gc;
           draw_context.pango_layout = drawing->pango_layout;
           draw_context.drawinfo.start.x = hashed_process_data->x.middle;
           draw_context.drawinfo.end.x = x;
 
-          draw_context.drawinfo.y.over = y+1;
-          draw_context.drawinfo.y.middle = y+(height/2);
-          draw_context.drawinfo.y.under = y+height;
+          draw_context.drawinfo.y.over = 1;
+          draw_context.drawinfo.y.middle = (hashed_process_data->height/2);
+          draw_context.drawinfo.y.under = hashed_process_data->height;
 
           draw_context.drawinfo.start.offset.over = 0;
           draw_context.drawinfo.start.offset.middle = 0;
@@ -732,11 +740,11 @@ int before_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(tab);
 
-  LttTime end_time = time_window.end_time;
+  LttTime time_window.end_time = time_window.time_window.end_time;
 
   //if(time < time_beg || time > time_end) return;
   if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
+        || ltt_time_compare(evtime, time_window.end_time) == 1)
             return;
 
   if(strcmp(ltt_eventtype_name(ltt_event_eventtype(e)),"schedchange") == 0)
@@ -843,7 +851,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
     LttTime time = ltt_event_time(e);
 
-    LttTime window_end = time_window.end_time;
+    LttTime window_end = time_window.time_window.end_time;
     
     convert_time_to_pixels(
         time_window,
@@ -879,7 +887,6 @@ int before_schedchange_hook(void *hook_data, void *call_data)
                             control_flow_data->drawing->damage_begin;
       draw_context_out->previous->under->x =
                             control_flow_data->drawing->damage_begin;
-
       g_debug("out middle x_beg : %u",control_flow_data->drawing->damage_begin);
     }
   
@@ -1341,29 +1348,16 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = control_flow_data->drawing->width;
 
   /* Add process to process list (if not present) */
-  LttvProcessState *process_out, *process_in;
+  LttvProcessState *process_in;
   LttTime birth;
-  guint y_in = 0, y_out = 0, height = 0, pl_height = 0;
+  guint pl_height = 0;
   HashedProcessData *hashed_process_data_in = NULL;
 
   ProcessList *process_list = control_flow_data->process_list;
@@ -1377,52 +1371,63 @@ int after_schedchange_hook(void *hook_data, void *call_data)
     pid_out = ltt_event_get_long_unsigned(e,element);
     element = ltt_field_member(f,1);
     pid_in = ltt_event_get_long_unsigned(e,element);
-    g_debug("out : %u  in : %u", pid_out, pid_in);
   }
 
 
   /* Find process pid_in in the list... */
-  process_in = lttv_state_find_process(tfs, pid_in);
+  //process_in = lttv_state_find_process(tfs, pid_in);
+  process_in = tfs->process;
   /* It should exist, because we are after the state update. */
+#ifdef EXTRA_CHECK
   g_assert(process_in != NULL);
-
+#endif //EXTRA_CHECK
   birth = process_in->creation_time;
-  const gchar *name = g_quark_to_string(process_in->name);
 
-  if(processlist_get_process_pixels(process_list,
+  hashed_process_data_in = processlist_get_process_data(process_list,
           pid_in,
-          process_in->last_cpu,
+          process_in->last_cpu_index,
           &birth,
-          tfc->t_context->index,
-          &y_in,
-          &height,
-          &hashed_process_data_in) == 1)
+          tfc->t_context->index);
+  if(hashed_process_data_in == NULL)
   {
     g_assert(pid_in == 0 || pid_in != process_in->ppid);
+    const gchar *name = g_quark_to_string(process_in->name);
+    ProcessInfo *process_info;
+    Drawing_t *drawing = control_flow_data->drawing;
     /* Process not present */
     processlist_add(process_list,
+        drawing,
         pid_in,
-        process_in->last_cpu,
+        process_in->last_cpu_index,
         process_in->ppid,
         &birth,
         tfc->t_context->index,
         name,
         &pl_height,
+        &process_info,
         &hashed_process_data_in);
-    processlist_get_process_pixels(process_list,
-            pid_in,
-            process_in->last_cpu,
-            &birth,
-            tfc->t_context->index,
-            &y_in,
-            &height,
-            &hashed_process_data_in);
-    drawing_insert_square( control_flow_data->drawing, y_in, height);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
   }
+  /* Set the current process */
+  process_list->current_hash_data[process_in->last_cpu_index] =
+                                             hashed_process_data_in;
 
   if(ltt_time_compare(hashed_process_data_in->next_good_time,
                           evtime) <= 0)
   {
+    TimeWindow time_window = 
+    lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+    if(ltt_time_compare(evtime, time_window.start_time) == -1
+        || ltt_time_compare(evtime, time_window.end_time) == 1)
+            return;
+#endif //EXTRA_CHECK
+    Drawing_t *drawing = control_flow_data->drawing;
+    guint width = drawing->width;
     guint new_x;
     
     convert_time_to_pixels(
@@ -1460,11 +1465,11 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = time_window.end_time;
+  LttTime time_window.end_time = time_window.time_window.end_time;
 
   //if(time < time_beg || time > time_end) return;
   if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
+        || ltt_time_compare(evtime, time_window.end_time) == 1)
             return;
 
 
@@ -1573,7 +1578,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
 
     //LttTime time = ltt_event_time(e);
 
-    //LttTime window_end = time_window->end_time;
+    //LttTime window_end = time_window->time_window.end_time;
 
     
     //convert_time_to_pixels(
@@ -1894,7 +1899,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
 }
 
 #if 0
-static __inline PropertiesLine prepare_execmode_line(LttvProcessState *process)
+static inline PropertiesLine prepare_execmode_line(LttvProcessState *process)
 {
   PropertiesLine prop_line;
   prop_line.line_width = 1;
@@ -1949,29 +1954,15 @@ int before_execmode_hook(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  Drawing_t *drawing = control_flow_data->drawing;
 
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = drawing->width;
 
   /* we are in a execmode, before the state update. We must draw the
    * items corresponding to the state before it changes : now is the right
@@ -1987,58 +1978,65 @@ int before_execmode_hook(void *hook_data, void *call_data)
    * or add it, and draw its items.
    */
    /* Add process to process list (if not present) */
-  guint y = 0, height = 0, pl_height = 0;
+  guint pl_height = 0;
   HashedProcessData *hashed_process_data = NULL;
   ProcessList *process_list = control_flow_data->process_list;
   LttTime birth = process->creation_time;
-  const gchar *name = g_quark_to_string(process->name);
-  
-  if(processlist_get_process_pixels(process_list,
+  if(likely(process_list->current_hash_data[tfc->index] != NULL)) {
+    hashed_process_data = process_list->current_hash_data[tfc->index];
+  } else {
+    hashed_process_data = processlist_get_process_data(process_list,
+            pid,
+            process->last_cpu_index,
+            &birth,
+            tfc->t_context->index);
+    if(unlikely(hashed_process_data == NULL))
+    {
+      g_assert(pid == 0 || pid != process->ppid);
+      ProcessInfo *process_info;
+      /* Process not present */
+      Drawing_t *drawing = control_flow_data->drawing;
+      const gchar *name = g_quark_to_string(process->name);
+      processlist_add(process_list,
+          drawing,
           pid,
-          process->last_cpu,
+          process->last_cpu_index,
+          process->ppid,
           &birth,
           tfc->t_context->index,
-          &y,
-          &height,
-          &hashed_process_data) == 1)
-  {
-    g_assert(pid == 0 || pid != process->ppid);
-    /* Process not present */
-    processlist_add(process_list,
-        pid,
-        process->last_cpu,
-        process->ppid,
-        &birth,
-        tfc->t_context->index,
-        name,
-        &pl_height,
-        &hashed_process_data);
-    processlist_get_process_pixels(process_list,
-            pid,
-            process->last_cpu,
-            &birth,
-            tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data);
-    drawing_insert_square( drawing, y, height);
+          name,
+          &pl_height,
+          &process_info,
+          &hashed_process_data);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+    }
+    /* Set the current process */
+    process_list->current_hash_data[process->last_cpu_index] =
+                                               hashed_process_data;
   }
 
   /* Now, the process is in the state hash and our own process hash.
    * We definitely can draw the items related to the ending state.
    */
-  
-  /* Check if the x position is unset. In can have been left unset by
-   * a draw closure from a after chunk hook. This should never happen,
-   * because it must be set by before chunk hook to the damage_begin
-   * value.
-   */
-  g_assert(hashed_process_data->x.over != -1);
 
-  if(ltt_time_compare(hashed_process_data->next_good_time,
-                      evtime) > 0)
+  if(likely(ltt_time_compare(hashed_process_data->next_good_time,
+                      evtime) > 0))
   {
-    if(hashed_process_data->x.middle_marked == FALSE) {
+    if(unlikely(hashed_process_data->x.middle_marked == FALSE)) {
+      TimeWindow time_window = 
+        lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+      if(ltt_time_compare(evtime, time_window.start_time) == -1
+            || ltt_time_compare(evtime, time_window.end_time) == 1)
+                return;
+#endif //EXTRA_CHECK
+      Drawing_t *drawing = control_flow_data->drawing;
+      guint width = drawing->width;
       guint x;
       convert_time_to_pixels(
                 time_window,
@@ -2048,13 +2046,23 @@ int before_execmode_hook(void *hook_data, void *call_data)
 
       /* Draw collision indicator */
       gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-      gdk_draw_point(drawing->pixmap,
+      gdk_draw_point(hashed_process_data->pixmap,
                      drawing->gc,
                      x,
-                     y+(height/2)-3);
+                     (hashed_process_data->height/2)-3);
       hashed_process_data->x.middle_marked = TRUE;
     }
   } else {
+    TimeWindow time_window = 
+      lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+    if(ltt_time_compare(evtime, time_window.start_time) == -1
+          || ltt_time_compare(evtime, time_window.end_time) == 1)
+              return;
+#endif //EXTRA_CHECK
+    Drawing_t *drawing = control_flow_data->drawing;
+    guint width = drawing->width;
     guint x;
 
     convert_time_to_pixels(
@@ -2065,16 +2073,16 @@ int before_execmode_hook(void *hook_data, void *call_data)
 
 
     /* Jump over draw if we are at the same x position */
-    if(x == hashed_process_data->x.middle &&
-             hashed_process_data->x.middle_used)
+    if(unlikely(x == hashed_process_data->x.middle &&
+             hashed_process_data->x.middle_used))
     {
-      if(hashed_process_data->x.middle_marked == FALSE) {
+      if(unlikely(hashed_process_data->x.middle_marked == FALSE)) {
         /* Draw collision indicator */
         gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-        gdk_draw_point(drawing->pixmap,
+        gdk_draw_point(hashed_process_data->pixmap,
                        drawing->gc,
                        x,
-                       y+(height/2)-3);
+                       (hashed_process_data->height/2)-3);
         hashed_process_data->x.middle_marked = TRUE;
       }
       /* jump */
@@ -2083,15 +2091,15 @@ int before_execmode_hook(void *hook_data, void *call_data)
       DrawContext draw_context;
       /* Now create the drawing context that will be used to draw
        * items related to the last state. */
-      draw_context.drawable = drawing->pixmap;
+      draw_context.drawable = hashed_process_data->pixmap;
       draw_context.gc = drawing->gc;
       draw_context.pango_layout = drawing->pango_layout;
       draw_context.drawinfo.start.x = hashed_process_data->x.middle;
       draw_context.drawinfo.end.x = x;
 
-      draw_context.drawinfo.y.over = y+1;
-      draw_context.drawinfo.y.middle = y+(height/2);
-      draw_context.drawinfo.y.under = y+height;
+      draw_context.drawinfo.y.over = 1;
+      draw_context.drawinfo.y.middle = (hashed_process_data->height/2);
+      draw_context.drawinfo.y.under = hashed_process_data->height;
 
       draw_context.drawinfo.start.offset.over = 0;
       draw_context.drawinfo.start.offset.middle = 0;
@@ -2132,35 +2140,28 @@ int before_execmode_hook(void *hook_data, void *call_data)
  */
 int after_execmode_hook(void *hook_data, void *call_data)
 {
+  /**************** DOES NOTHING!! *************/
+  /* hook desactivated in drawing.c */
+  return 0;
+
+
+
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
 
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = control_flow_data->drawing->width;
 
   /* Add process to process list (if not present) */
   LttvProcessState *process;
   LttTime birth;
-  guint y = 0, height = 0, pl_height = 0;
+  guint pl_height = 0;
   HashedProcessData *hashed_process_data = NULL;
 
   ProcessList *process_list = control_flow_data->process_list;
@@ -2173,42 +2174,56 @@ int after_execmode_hook(void *hook_data, void *call_data)
   guint pid = process->pid;
 
   birth = process->creation_time;
-  const gchar *name = g_quark_to_string(process->name);
 
-  if(processlist_get_process_pixels(process_list,
+  if(likely(process_list->current_hash_data[tfc->index] != NULL)) {
+    hashed_process_data = process_list->current_hash_data[tfc->index];
+  } else {
+    hashed_process_data = processlist_get_process_data(process_list,
+            pid,
+            process->last_cpu_index,
+            &birth,
+            tfc->t_context->index);
+    if(unlikely(hashed_process_data == NULL))
+    {
+      g_assert(pid == 0 || pid != process->ppid);
+      /* Process not present */
+      Drawing_t *drawing = control_flow_data->drawing;
+      const gchar *name = g_quark_to_string(process->name);
+      ProcessInfo *process_info;
+      processlist_add(process_list,
+          drawing,
           pid,
-          process->last_cpu,
+          process->last_cpu_index,
+          process->ppid,
           &birth,
           tfc->t_context->index,
-          &y,
-          &height,
-          &hashed_process_data) == 1)
-  {
-    g_assert(pid == 0 || pid != process->ppid);
-    /* Process not present */
-    processlist_add(process_list,
-        pid,
-        process->last_cpu,
-        process->ppid,
-        &birth,
-        tfc->t_context->index,
-        name,
-        &pl_height,
-        &hashed_process_data);
-    processlist_get_process_pixels(process_list,
-            pid,
-            process->last_cpu,
-            &birth,
-            tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data);
-    drawing_insert_square( control_flow_data->drawing, y, height);
+          name,
+          &pl_height,
+          &process_info,
+          &hashed_process_data);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+    }
+    /* Set the current process */
+    process_list->current_hash_data[process->last_cpu_index] =
+                                               hashed_process_data;
   }
-  
-  if(ltt_time_compare(hashed_process_data->next_good_time,
-                          evtime) <= 0)
+
+  if(unlikely(ltt_time_compare(hashed_process_data->next_good_time,
+                          evtime) <= 0))
   {
+    TimeWindow time_window = 
+      lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+    if(ltt_time_compare(evtime, time_window.start_time) == -1
+          || ltt_time_compare(evtime, time_window.end_time) == 1)
+              return;
+#endif //EXTRA_CHECK
+    Drawing_t *drawing = control_flow_data->drawing;
+    guint width = drawing->width;
     guint new_x;
     
     convert_time_to_pixels(
@@ -2242,29 +2257,15 @@ int before_process_hook(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  Drawing_t *drawing = control_flow_data->drawing;
 
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = control_flow_data->drawing->width;
 
   guint sub_id;
   {
@@ -2280,7 +2281,7 @@ int before_process_hook(void *hook_data, void *call_data)
     LttvProcessState *process = tfs->process;
     guint pid = process->pid;
     LttTime birth;
-    guint y = 0, height = 0, pl_height = 0;
+    guint pl_height = 0;
     HashedProcessData *hashed_process_data = NULL;
 
     ProcessList *process_list = control_flow_data->process_list;
@@ -2288,54 +2289,58 @@ int before_process_hook(void *hook_data, void *call_data)
     g_assert(process != NULL);
 
     birth = process->creation_time;
-    const gchar *name = g_quark_to_string(process->name);
 
-    if(processlist_get_process_pixels(process_list,
+    if(likely(process_list->current_hash_data[tfc->index] != NULL)) {
+      hashed_process_data = process_list->current_hash_data[tfc->index];
+    } else {
+      hashed_process_data = processlist_get_process_data(process_list,
+            pid,
+            process->last_cpu_index,
+            &birth,
+            tfc->t_context->index);
+      if(unlikely(hashed_process_data == NULL))
+      {
+        g_assert(pid == 0 || pid != process->ppid);
+        /* Process not present */
+        Drawing_t *drawing = control_flow_data->drawing;
+        const gchar *name = g_quark_to_string(process->name);
+        ProcessInfo *process_info;
+        processlist_add(process_list,
+            drawing,
             pid,
-            process->last_cpu,
+            process->last_cpu_index,
+            process->ppid,
             &birth,
             tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data) == 1)
-    {
-      g_assert(pid == 0 || pid != process->ppid);
-      /* Process not present */
-      processlist_add(process_list,
-          pid,
-          process->last_cpu,
-          process->ppid,
-          &birth,
-          tfc->t_context->index,
-          name,
-          &pl_height,
-          &hashed_process_data);
-      processlist_get_process_pixels(process_list,
-              pid,
-              process->last_cpu,
-              &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data);
-      drawing_insert_square( control_flow_data->drawing, y, height);
+            name,
+            &pl_height,
+            &process_info,
+            &hashed_process_data);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+      }
     }
 
     /* Now, the process is in the state hash and our own process hash.
      * We definitely can draw the items related to the ending state.
      */
     
-    /* Check if the x position is unset. In can have been left unset by
-     * a draw closure from a after chunk hook. This should never happen,
-     * because it must be set by before chunk hook to the damage_begin
-     * value.
-     */
-    g_assert(hashed_process_data->x.over != -1);
-
-    if(ltt_time_compare(hashed_process_data->next_good_time,
-                        evtime) > 0)
+    if(likely(ltt_time_compare(hashed_process_data->next_good_time,
+                        evtime) > 0))
     {
-      if(hashed_process_data->x.middle_marked == FALSE) {
+      if(unlikely(hashed_process_data->x.middle_marked == FALSE)) {
+        TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+        if(ltt_time_compare(evtime, time_window.start_time) == -1
+              || ltt_time_compare(evtime, time_window.end_time) == 1)
+                  return;
+#endif //EXTRA_CHECK
+        Drawing_t *drawing = control_flow_data->drawing;
+        guint width = drawing->width;
         guint x;
         convert_time_to_pixels(
                   time_window,
@@ -2345,13 +2350,23 @@ int before_process_hook(void *hook_data, void *call_data)
 
         /* Draw collision indicator */
         gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-        gdk_draw_point(drawing->pixmap,
+        gdk_draw_point(hashed_process_data->pixmap,
                        drawing->gc,
                        x,
-                       y+(height/2)-3);
+                       (hashed_process_data->height/2)-3);
         hashed_process_data->x.middle_marked = TRUE;
       }
     } else {
+      TimeWindow time_window = 
+        lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+      if(ltt_time_compare(evtime, time_window.start_time) == -1
+            || ltt_time_compare(evtime, time_window.end_time) == 1)
+                return;
+#endif //EXTRA_CHECK
+      Drawing_t *drawing = control_flow_data->drawing;
+      guint width = drawing->width;
       guint x;
 
       convert_time_to_pixels(
@@ -2362,16 +2377,16 @@ int before_process_hook(void *hook_data, void *call_data)
 
 
       /* Jump over draw if we are at the same x position */
-      if(x == hashed_process_data->x.middle &&
-             hashed_process_data->x.middle_used)
+      if(unlikely(x == hashed_process_data->x.middle &&
+             hashed_process_data->x.middle_used))
       { 
-        if(hashed_process_data->x.middle_marked == FALSE) {
+        if(unlikely(hashed_process_data->x.middle_marked == FALSE)) {
           /* Draw collision indicator */
           gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
-          gdk_draw_point(drawing->pixmap,
+          gdk_draw_point(hashed_process_data->pixmap,
                          drawing->gc,
                          x,
-                         y+(height/2)-3);
+                         (hashed_process_data->height/2)-3);
           hashed_process_data->x.middle_marked = TRUE;
         }
         /* jump */
@@ -2380,15 +2395,15 @@ int before_process_hook(void *hook_data, void *call_data)
 
         /* Now create the drawing context that will be used to draw
          * items related to the last state. */
-        draw_context.drawable = drawing->pixmap;
+        draw_context.drawable = hashed_process_data->pixmap;
         draw_context.gc = drawing->gc;
         draw_context.pango_layout = drawing->pango_layout;
         draw_context.drawinfo.start.x = hashed_process_data->x.middle;
         draw_context.drawinfo.end.x = x;
 
-        draw_context.drawinfo.y.over = y+1;
-        draw_context.drawinfo.y.middle = y+(height/2);
-        draw_context.drawinfo.y.under = y+height;
+        draw_context.drawinfo.y.over = 1;
+        draw_context.drawinfo.y.middle = (hashed_process_data->height/2);
+        draw_context.drawinfo.y.under = hashed_process_data->height;
 
         draw_context.drawinfo.start.offset.over = 0;
         draw_context.drawinfo.start.offset.middle = 0;
@@ -2443,24 +2458,11 @@ int after_process_hook(void *hook_data, void *call_data)
   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 
   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-  LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
 
   LttTime evtime = ltt_event_time(e);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = control_flow_data->drawing->width;
 
   guint sub_id;
   guint param1;
@@ -2479,7 +2481,7 @@ int after_process_hook(void *hook_data, void *call_data)
     /* Add process to process list (if not present) */
     LttvProcessState *process_child;
     LttTime birth;
-    guint y_child = 0, height = 0, pl_height = 0;
+    guint pl_height = 0;
     HashedProcessData *hashed_process_data_child = NULL;
 
     ProcessList *process_list = control_flow_data->process_list;
@@ -2490,42 +2492,50 @@ int after_process_hook(void *hook_data, void *call_data)
     g_assert(process_child != NULL);
 
     birth = process_child->creation_time;
-    const gchar *name = g_quark_to_string(process_child->name);
 
-    if(processlist_get_process_pixels(process_list,
+    hashed_process_data_child = processlist_get_process_data(process_list,
             child_pid,
-            process_child->last_cpu,
+            process_child->last_cpu_index,
             &birth,
-            tfc->t_context->index,
-            &y_child,
-            &height,
-            &hashed_process_data_child) == 1)
+            tfc->t_context->index);
+    if(likely(hashed_process_data_child == NULL))
     {
       g_assert(child_pid == 0 || child_pid != process_child->ppid);
       /* Process not present */
+      Drawing_t *drawing = control_flow_data->drawing;
+      const gchar *name = g_quark_to_string(process_child->name);
+      ProcessInfo *process_info;
       processlist_add(process_list,
+          drawing,
           child_pid,
-          process_child->last_cpu,
+          process_child->last_cpu_index,
           process_child->ppid,
           &birth,
           tfc->t_context->index,
           name,
           &pl_height,
+          &process_info,
           &hashed_process_data_child);
-      processlist_get_process_pixels(process_list,
-              child_pid,
-              process_child->last_cpu,
-              &birth,
-              tfc->t_context->index,
-              &y_child,
-              &height,
-              &hashed_process_data_child);
-      drawing_insert_square( control_flow_data->drawing, y_child, height);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
     }
 
-    if(ltt_time_compare(hashed_process_data_child->next_good_time,
-                          evtime) <= 0)
+
+    if(likely(ltt_time_compare(hashed_process_data_child->next_good_time,
+                          evtime) <= 0))
     {
+      TimeWindow time_window = 
+        lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+      if(ltt_time_compare(evtime, time_window.start_time) == -1
+            || ltt_time_compare(evtime, time_window.end_time) == 1)
+                return;
+#endif //EXTRA_CHECK
+      Drawing_t *drawing = control_flow_data->drawing;
+      guint width = drawing->width;
       guint new_x;
       convert_time_to_pixels(
           time_window,
@@ -2533,17 +2543,17 @@ int after_process_hook(void *hook_data, void *call_data)
           width,
           &new_x);
 
-      if(hashed_process_data_child->x.over != new_x) {
+      if(likely(hashed_process_data_child->x.over != new_x)) {
         hashed_process_data_child->x.over = new_x;
         hashed_process_data_child->x.over_used = FALSE;
         hashed_process_data_child->x.over_marked = FALSE;
       }
-      if(hashed_process_data_child->x.middle != new_x) {
+      if(likely(hashed_process_data_child->x.middle != new_x)) {
         hashed_process_data_child->x.middle = new_x;
         hashed_process_data_child->x.middle_used = FALSE;
         hashed_process_data_child->x.middle_marked = FALSE;
       }
-      if(hashed_process_data_child->x.under != new_x) {
+      if(likely(hashed_process_data_child->x.under != new_x)) {
         hashed_process_data_child->x.under = new_x;
         hashed_process_data_child->x.under_used = FALSE;
         hashed_process_data_child->x.under_marked = FALSE;
@@ -2556,7 +2566,7 @@ int after_process_hook(void *hook_data, void *call_data)
     LttvProcessState *process = tfs->process;
     guint pid = process->pid;
     LttTime birth;
-    guint y = 0, height = 0, pl_height = 0;
+    guint pl_height = 0;
     HashedProcessData *hashed_process_data = NULL;
 
     ProcessList *process_list = control_flow_data->process_list;
@@ -2565,49 +2575,64 @@ int after_process_hook(void *hook_data, void *call_data)
     g_assert(process != NULL);
 
     birth = process->creation_time;
-    const gchar *name = g_quark_to_string(process->name);
 
-    if(processlist_get_process_pixels(process_list,
+    if(likely(process_list->current_hash_data[tfc->index] != NULL) ){
+      hashed_process_data = process_list->current_hash_data[tfc->index];
+    } else {
+      hashed_process_data = processlist_get_process_data(process_list,
+              pid,
+              process->last_cpu_index,
+              &birth,
+              tfc->t_context->index);
+      if(unlikely(hashed_process_data == NULL))
+      {
+        g_assert(pid == 0 || pid != process->ppid);
+        /* Process not present */
+        Drawing_t *drawing = control_flow_data->drawing;
+        const gchar *name = g_quark_to_string(process->name);
+        ProcessInfo *process_info;
+        processlist_add(process_list,
+            drawing,
             pid,
-            process->last_cpu,
+            process->last_cpu_index,
+            process->ppid,
             &birth,
             tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data) == 1)
-    {
-      g_assert(pid == 0 || pid != process->ppid);
-      /* Process not present */
-      processlist_add(process_list,
-          pid,
-          process->last_cpu,
-          process->ppid,
-          &birth,
-          tfc->t_context->index,
-          name,
-          &pl_height,
-          &hashed_process_data);
-      processlist_get_process_pixels(process_list,
-              pid,
-              process->last_cpu,
-              &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data);
-      drawing_insert_square( control_flow_data->drawing, y, height);
+            name,
+            &pl_height,
+            &process_info,
+            &hashed_process_data);
+        gtk_widget_set_size_request(drawing->drawing_area,
+                                    -1,
+                                    pl_height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+      }
+
+      /* Set the current process */
+      process_list->current_hash_data[process->last_cpu_index] =
+                                               hashed_process_data;
     }
 
-    if(ltt_time_compare(hashed_process_data->next_good_time,
-                          evtime) <= 0)
+    if(unlikely(ltt_time_compare(hashed_process_data->next_good_time,
+                          evtime) <= 0))
     {
+      TimeWindow time_window = 
+        lttvwindow_get_time_window(control_flow_data->tab);
+
+#ifdef EXTRA_CHECK
+      if(ltt_time_compare(evtime, time_window.start_time) == -1
+            || ltt_time_compare(evtime, time_window.end_time) == 1)
+                return;
+#endif //EXTRA_CHECK
+      Drawing_t *drawing = control_flow_data->drawing;
+      guint width = drawing->width;
       guint new_x;
       convert_time_to_pixels(
           time_window,
           evtime,
           width,
           &new_x);
-      if(hashed_process_data->x.middle != new_x) {
+      if(unlikely(hashed_process_data->x.middle != new_x)) {
         hashed_process_data->x.middle = new_x;
         hashed_process_data->x.middle_used = FALSE;
         hashed_process_data->x.middle_marked = FALSE;
@@ -2624,6 +2649,7 @@ gint update_time_window_hook(void *hook_data, void *call_data)
 {
   ControlFlowData *control_flow_data = (ControlFlowData*) hook_data;
   Drawing_t *drawing = control_flow_data->drawing;
+  ProcessList *process_list = control_flow_data->process_list;
 
   const TimeWindowNotifyData *time_window_nofify_data = 
                           ((const TimeWindowNotifyData *)call_data);
@@ -2645,13 +2671,13 @@ gint update_time_window_hook(void *hook_data, void *call_data)
    * currently shown time interval. (reuse is only for scrolling)
    */
 
-  g_info("Old time window HOOK : %u, %u to %u, %u",
+  g_info("Old time window HOOK : %lu, %lu to %lu, %lu",
       old_time_window->start_time.tv_sec,
       old_time_window->start_time.tv_nsec,
       old_time_window->time_width.tv_sec,
       old_time_window->time_width.tv_nsec);
 
-  g_info("New time window HOOK : %u, %u to %u, %u",
+  g_info("New time window HOOK : %lu, %lu to %lu, %lu",
       new_time_window->start_time.tv_sec,
       new_time_window->start_time.tv_nsec,
       new_time_window->time_width.tv_sec,
@@ -2685,13 +2711,14 @@ gint update_time_window_hook(void *hook_data, void *call_data)
           &x);
 
       /* Copy old data to new location */
-      gdk_draw_drawable (control_flow_data->drawing->pixmap,
-          control_flow_data->drawing->drawing_area->style->black_gc,
-          control_flow_data->drawing->pixmap,
-          x, 0,
-          0, 0,
-         control_flow_data->drawing->width-x+SAFETY, -1);
+      copy_pixmap_region(process_list,
+                  NULL,
+                  control_flow_data->drawing->drawing_area->style->black_gc,
+                  NULL,
+                  x, 0,
+                  0, 0,
+                  control_flow_data->drawing->width-x+SAFETY, -1);
+
       if(drawing->damage_begin == drawing->damage_end)
         drawing->damage_begin = control_flow_data->drawing->width-x;
       else
@@ -2700,22 +2727,20 @@ gint update_time_window_hook(void *hook_data, void *call_data)
       drawing->damage_end = control_flow_data->drawing->width;
 
       /* Clear the data request background, but not SAFETY */
-      gdk_draw_rectangle (control_flow_data->drawing->pixmap,
-          //control_flow_data->drawing->drawing_area->style->black_gc,
+      rectangle_pixmap(process_list,
           control_flow_data->drawing->drawing_area->style->black_gc,
           TRUE,
           drawing->damage_begin+SAFETY, 0,
           drawing->damage_end - drawing->damage_begin,  // do not overlap
-          control_flow_data->drawing->height);
-
-      gtk_widget_queue_draw_area (drawing->drawing_area,
-                                0,0,
-                                control_flow_data->drawing->width,
-                                control_flow_data->drawing->height);
+          -1);
+      gtk_widget_queue_draw(drawing->drawing_area);
+      //gtk_widget_queue_draw_area (drawing->drawing_area,
+      //                          0,0,
+      //                          control_flow_data->drawing->width,
+      //                          control_flow_data->drawing->height);
 
       /* Get new data for the rest. */
       drawing_data_request(control_flow_data->drawing,
-          &control_flow_data->drawing->pixmap,
           drawing->damage_begin, 0,
           drawing->damage_end - drawing->damage_begin,
           control_flow_data->drawing->height);
@@ -2736,11 +2761,11 @@ gint update_time_window_hook(void *hook_data, void *call_data)
             width,
             &x);
         
-
         /* Copy old data to new location */
-        gdk_draw_drawable (control_flow_data->drawing->pixmap,
+        copy_pixmap_region  (process_list,
+            NULL,
             control_flow_data->drawing->drawing_area->style->black_gc,
-            control_flow_data->drawing->pixmap,
+            NULL,
             0, 0,
             x, 0,
             -1, -1);
@@ -2753,22 +2778,22 @@ gint update_time_window_hook(void *hook_data, void *call_data)
 
         drawing->damage_begin = 0;
         
-        gdk_draw_rectangle (control_flow_data->drawing->pixmap,
+        rectangle_pixmap (process_list,
           control_flow_data->drawing->drawing_area->style->black_gc,
           TRUE,
           drawing->damage_begin, 0,
           drawing->damage_end - drawing->damage_begin,  // do not overlap
-          control_flow_data->drawing->height);
+          -1);
 
-        gtk_widget_queue_draw_area (drawing->drawing_area,
-                                0,0,
-                                control_flow_data->drawing->width,
-                                control_flow_data->drawing->height);
+        gtk_widget_queue_draw(drawing->drawing_area);
+        //gtk_widget_queue_draw_area (drawing->drawing_area,
+        //                        0,0,
+        //                        control_flow_data->drawing->width,
+        //                        control_flow_data->drawing->height);
 
 
         /* Get new data for the rest. */
         drawing_data_request(control_flow_data->drawing,
-            &control_flow_data->drawing->pixmap,
             drawing->damage_begin, 0,
             drawing->damage_end - drawing->damage_begin,
             control_flow_data->drawing->height);
@@ -2782,23 +2807,23 @@ gint update_time_window_hook(void *hook_data, void *call_data)
           /* Cannot reuse any part of the screen : far jump */
           
           
-          gdk_draw_rectangle (control_flow_data->drawing->pixmap,
+          rectangle_pixmap (process_list,
             control_flow_data->drawing->drawing_area->style->black_gc,
             TRUE,
             0, 0,
             control_flow_data->drawing->width+SAFETY, // do not overlap
-            control_flow_data->drawing->height);
+            -1);
 
-          gtk_widget_queue_draw_area (drawing->drawing_area,
-                                0,0,
-                                control_flow_data->drawing->width,
-                                control_flow_data->drawing->height);
+          //gtk_widget_queue_draw_area (drawing->drawing_area,
+          //                      0,0,
+          //                      control_flow_data->drawing->width,
+          //                      control_flow_data->drawing->height);
+          gtk_widget_queue_draw(drawing->drawing_area);
 
           drawing->damage_begin = 0;
           drawing->damage_end = control_flow_data->drawing->width;
 
           drawing_data_request(control_flow_data->drawing,
-              &control_flow_data->drawing->pixmap,
               0, 0,
               control_flow_data->drawing->width,
               control_flow_data->drawing->height);
@@ -2810,23 +2835,23 @@ gint update_time_window_hook(void *hook_data, void *call_data)
     /* Different scale (zoom) */
     g_info("zoom");
 
-    gdk_draw_rectangle (control_flow_data->drawing->pixmap,
+    rectangle_pixmap (process_list,
           control_flow_data->drawing->drawing_area->style->black_gc,
           TRUE,
           0, 0,
           control_flow_data->drawing->width+SAFETY, // do not overlap
-          control_flow_data->drawing->height);
+          -1);
 
-    gtk_widget_queue_draw_area (drawing->drawing_area,
-                                0,0,
-                                control_flow_data->drawing->width,
-                                control_flow_data->drawing->height);
+    //gtk_widget_queue_draw_area (drawing->drawing_area,
+    //                            0,0,
+    //                            control_flow_data->drawing->width,
+    //                            control_flow_data->drawing->height);
+    gtk_widget_queue_draw(drawing->drawing_area);
   
     drawing->damage_begin = 0;
     drawing->damage_end = control_flow_data->drawing->width;
 
     drawing_data_request(control_flow_data->drawing,
-        &control_flow_data->drawing->pixmap,
         0, 0,
         control_flow_data->drawing->width,
         control_flow_data->drawing->height);
@@ -2841,7 +2866,6 @@ gint traceset_notify(void *hook_data, void *call_data)
 {
   ControlFlowData *control_flow_data = (ControlFlowData*) hook_data;
   Drawing_t *drawing = control_flow_data->drawing;
-  GtkWidget *widget = drawing->drawing_area;
 
 
   drawing_clear(control_flow_data->drawing);
@@ -2849,24 +2873,6 @@ gint traceset_notify(void *hook_data, void *call_data)
   redraw_notify(control_flow_data, NULL);
 
   request_background_data(control_flow_data);
-#if 0
-  drawing->damage_begin = 0;
-  drawing->damage_end = drawing->width;
-  if(drawing->damage_begin < drawing->damage_end)
-  {
-    drawing_data_request(drawing,
-                         &drawing->pixmap,
-                         drawing->damage_begin,
-                         0,
-                         drawing->damage_end-drawing->damage_begin,
-                         drawing->height);
-  }
-
-  gtk_widget_queue_draw_area(drawing->drawing_area,
-                             0,0,
-                             drawing->width,
-                             drawing->height);
-#endif //0
  
   return FALSE;
 }
@@ -2884,29 +2890,29 @@ gint redraw_notify(void *hook_data, void *call_data)
   drawing_clear(control_flow_data->drawing);
   processlist_clear(control_flow_data->process_list);
 
-  // Clear the image
-  gdk_draw_rectangle (drawing->pixmap,
+  // Clear the images
+  rectangle_pixmap (control_flow_data->process_list,
         widget->style->black_gc,
         TRUE,
         0, 0,
         drawing->width+SAFETY,
-        drawing->height);
+        -1);
 
 
   if(drawing->damage_begin < drawing->damage_end)
   {
     drawing_data_request(drawing,
-                         &drawing->pixmap,
                          drawing->damage_begin,
                          0,
                          drawing->damage_end-drawing->damage_begin,
                          drawing->height);
   }
 
-  gtk_widget_queue_draw_area(drawing->drawing_area,
-                             0,0,
-                             drawing->width,
-                             drawing->height);
+  gtk_widget_queue_draw(drawing->drawing_area);
+  //gtk_widget_queue_draw_area(drawing->drawing_area,
+  //                           0,0,
+  //                           drawing->width,
+  //                           drawing->height);
   return FALSE;
 
 }
@@ -2916,14 +2922,12 @@ gint continue_notify(void *hook_data, void *call_data)
 {
   ControlFlowData *control_flow_data = (ControlFlowData*) hook_data;
   Drawing_t *drawing = control_flow_data->drawing;
-  GtkWidget *widget = drawing->drawing_area;
 
   //g_assert(widget->allocation.width == drawing->damage_end);
 
   if(drawing->damage_begin < drawing->damage_end)
   {
     drawing_data_request(drawing,
-                         &drawing->pixmap,
                          drawing->damage_begin,
                          0,
                          drawing->damage_end-drawing->damage_begin,
@@ -2960,7 +2964,7 @@ gint update_current_time_hook(void *hook_data, void *call_data)
   LttTime trace_start = tsc->time_span.start_time;
   LttTime trace_end = tsc->time_span.end_time;
   
-  g_info("New current time HOOK : %u, %u", current_time.tv_sec,
+  g_info("New current time HOOK : %lu, %lu", current_time.tv_sec,
               current_time.tv_nsec);
 
 
@@ -3009,11 +3013,8 @@ gint update_current_time_hook(void *hook_data, void *call_data)
     lttvwindow_report_time_window(control_flow_data->tab, new_time_window);
     
   }
-  //gtk_widget_queue_draw(control_flow_data->drawing->drawing_area);
-  gtk_widget_queue_draw_area(drawing->drawing_area,
-                             0,0,
-                             drawing->width,
-                             drawing->height);
+  gtk_widget_queue_draw(control_flow_data->drawing->drawing_area);
+                             
   
   return 0;
 }
@@ -3022,6 +3023,7 @@ typedef struct _ClosureData {
   EventsRequest *events_request;
   LttvTracesetState *tss;
   LttTime end_time;
+  guint x_end;
 } ClosureData;
   
 
@@ -3033,24 +3035,11 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
     
   EventsRequest *events_request = closure_data->events_request;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  Drawing_t *drawing = control_flow_data->drawing;
 
   LttvTracesetState *tss = closure_data->tss;
-  LttvTracesetContext *tsc = (LttvTracesetContext*)closure_data->tss;
+  LttvTracesetContext *tsc = (LttvTracesetContext*)tss;
 
   LttTime evtime = closure_data->end_time;
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(control_flow_data->tab);
-
-  LttTime end_time = time_window.end_time;
-
-#ifdef EXTRA_CHECK
-  if(ltt_time_compare(evtime, time_window.start_time) == -1
-        || ltt_time_compare(evtime, end_time) == 1)
-            return;
-#endif //EXTRA_CHECK
-
-  guint width = drawing->width;
 
   { 
     /* For the process */
@@ -3059,8 +3048,9 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
      * draw items from the beginning of the read for it. If it is not
      * present, it's a new process and it was not present : it will
      * be added after the state update.  */
+#ifdef EXTRA_CHECK
     g_assert(lttv_traceset_number(tsc->ts) > 0);
-
+#endif //EXTRA_CHECK
     /* tracefiles[0] is ok here, because we draw for every PID, and
      * assume CPU 0 for PID 0 //FIXME */
     LttvTracefileState *tfs =
@@ -3070,64 +3060,50 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
     process = lttv_state_find_process(tfs,
                                       process_info->pid);
 
-    if(process != NULL) {
+    if(unlikely(process != NULL)) {
       
       /* Only draw for processes that are currently in the trace states */
 
-      guint y = 0, height = 0, pl_height = 0;
       ProcessList *process_list = control_flow_data->process_list;
-      LttTime birth = process_info->birth;
-      
+#ifdef EXTRA_CHECK
       /* Should be alike when background info is ready */
       if(control_flow_data->background_info_waiting==0)
         g_assert(ltt_time_compare(process->creation_time,
                                   process_info->birth) == 0);
-      const gchar *name = g_quark_to_string(process->name);
-      
-      /* process HAS to be present */
-      g_assert(processlist_get_process_pixels(process_list,
-              process_info->pid,
-              process_info->cpu,
-              &birth,
-              process_info->trace_num,
-              &y,
-              &height,
-              &hashed_process_data) != 1);
+#endif //EXTRA_CHECK
     
       /* Now, the process is in the state hash and our own process hash.
        * We definitely can draw the items related to the ending state.
        */
       
-      /* Check if the x position is unset. In can have been left unset by
-       * a draw closure from a after chunk hook. This should never happen,
-       * because it must be set by before chunk hook to the damage_begin
-       * value.
-       */
-      g_assert(hashed_process_data->x.over != -1);
-
-      if(ltt_time_compare(hashed_process_data->next_good_time,
-                            evtime) <= 0)
+      if(unlikely(ltt_time_compare(hashed_process_data->next_good_time,
+                            evtime) <= 0))
       {
-        guint x;
+        TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
 
-        convert_time_to_pixels(
-            time_window,
-            evtime,
-            width,
-            &x);
+#ifdef EXTRA_CHECK
+        if(ltt_time_compare(evtime, time_window.start_time) == -1
+              || ltt_time_compare(evtime, time_window.end_time) == 1)
+                  return;
+#endif //EXTRA_CHECK
+        Drawing_t *drawing = control_flow_data->drawing;
+        guint width = drawing->width;
+
+        guint x = closure_data->x_end;
 
         DrawContext draw_context;
 
         /* Now create the drawing context that will be used to draw
          * items related to the last state. */
-        draw_context.drawable = drawing->pixmap;
+        draw_context.drawable = hashed_process_data->pixmap;
         draw_context.gc = drawing->gc;
         draw_context.pango_layout = drawing->pango_layout;
         draw_context.drawinfo.end.x = x;
 
-        draw_context.drawinfo.y.over = y+1;
-        draw_context.drawinfo.y.middle = y+(height/2);
-        draw_context.drawinfo.y.under = y+height;
+        draw_context.drawinfo.y.over = 1;
+        draw_context.drawinfo.y.middle = (hashed_process_data->height/2);
+        draw_context.drawinfo.y.under = hashed_process_data->height;
 
         draw_context.drawinfo.start.offset.over = 0;
         draw_context.drawinfo.start.offset.middle = 0;
@@ -3150,8 +3126,8 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
         }
 #endif //0
 
-        if(x == hashed_process_data->x.middle &&
-            hashed_process_data->x.middle_used) {
+        if(unlikely(x == hashed_process_data->x.middle &&
+            hashed_process_data->x.middle_used)) {
 #if 0 /* do not mark closure : not missing information */
           if(hashed_process_data->x.middle_marked == FALSE) {
             /* Draw collision indicator */
@@ -3171,7 +3147,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
           draw_line((void*)&prop_line, (void*)&draw_context);
 
            /* become the last x position */
-          if(x != hashed_process_data->x.middle) {
+          if(likely(x != hashed_process_data->x.middle)) {
             hashed_process_data->x.middle = x;
             /* but don't use the pixel */
             hashed_process_data->x.middle_used = FALSE;
@@ -3190,7 +3166,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
 int before_chunk(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
-  LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data);
+  LttvTracesetState *tss = (LttvTracesetState*)call_data;
 
   drawing_chunk_begin(events_request, tss);
 
@@ -3200,7 +3176,7 @@ int before_chunk(void *hook_data, void *call_data)
 int before_request(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
-  LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data);
+  LttvTracesetState *tss = (LttvTracesetState*)call_data;
 
   drawing_data_request_begin(events_request, tss);
 
@@ -3221,8 +3197,7 @@ int after_request(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data);
-  LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(call_data);
+  LttvTracesetState *tss = (LttvTracesetState*)call_data;
   
   ProcessList *process_list = control_flow_data->process_list;
   LttTime end_time = events_request->end_time;
@@ -3232,6 +3207,16 @@ int after_request(void *hook_data, void *call_data)
   closure_data.tss = tss;
   closure_data.end_time = end_time;
 
+  TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
+  guint width = control_flow_data->drawing->width;
+  convert_time_to_pixels(
+            time_window,
+            end_time,
+            width,
+            &closure_data.x_end);
+
+
   /* Draw last items */
   g_hash_table_foreach(process_list->process_hash, draw_closure,
                         (void*)&closure_data);
@@ -3250,13 +3235,16 @@ int after_chunk(void *hook_data, void *call_data)
 {
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
-  LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data);
-  LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(call_data);
+  LttvTracesetState *tss = (LttvTracesetState*)call_data;
+  LttvTracesetContext *tsc = (LttvTracesetContext*)call_data;
   LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc);
   LttTime end_time;
   
   ProcessList *process_list = control_flow_data->process_list;
 
+  g_free(process_list->current_hash_data);
+  process_list->current_hash_data = NULL;
+  
   if(tfc != NULL)
     end_time = LTT_TIME_MIN(tfc->timestamp, events_request->end_time);
   else /* end of traceset, or position now out of request : end */
@@ -3267,6 +3255,15 @@ int after_chunk(void *hook_data, void *call_data)
   closure_data.tss = tss;
   closure_data.end_time = end_time;
 
+  TimeWindow time_window = 
+          lttvwindow_get_time_window(control_flow_data->tab);
+  guint width = control_flow_data->drawing->width;
+  convert_time_to_pixels(
+            time_window,
+            end_time,
+            width,
+            &closure_data.x_end);
+
   /* Draw last items */
   g_hash_table_foreach(process_list->process_hash, draw_closure,
                         (void*)&closure_data);
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