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TimeWindow now has end_time
[lttv.git] / ltt / branches / poly / lttv / modules / gui / controlflow / eventhooks.c
diff --git a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
index a5f3eee18cf89a66a6f542d759668e80b7e6cc28..197436ef09b70c0e5076010209c33536bf0a365e 100644 (file)
--- a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
+++ b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
@@ -97,8 +97,7 @@ static void process_add(gpointer key,
   LttTime birth;
   guint y = 0, height = 0, pl_height = 0;
 
-  ProcessList *process_list =
-    guicontrolflow_get_process_list(control_flow_data);
+  ProcessList *process_list = control_flow_data->process_list;
 
   pid = process->pid;
   birth = process->creation_time;
@@ -271,7 +270,54 @@ int event_selected_hook(void *hook_data, void *call_data)
   
 }
 
+/* Function that selects the color of status&exemode line */
+static __inline PropertiesLine prepare_s_e_line(LttvProcessState *process)
+{
+  PropertiesLine prop_line;
+  prop_line.line_width = 2;
+  prop_line.style = GDK_LINE_SOLID;
+  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];
+    else if(process->state->t == LTTV_STATE_SYSCALL)
+      prop_line.color = drawing_colors[COL_RUN_SYSCALL];
+    else if(process->state->t == LTTV_STATE_TRAP)
+      prop_line.color = drawing_colors[COL_RUN_TRAP];
+    else if(process->state->t == LTTV_STATE_IRQ)
+      prop_line.color = drawing_colors[COL_RUN_IRQ];
+    else if(process->state->t == LTTV_STATE_MODE_UNKNOWN)
+      prop_line.color = drawing_colors[COL_MODE_UNKNOWN];
+    else
+      g_assert(FALSE);   /* RUNNING MODE UNKNOWN */
+  } else if(process->state->s == LTTV_STATE_WAIT) {
+    /* We don't show if we wait while in user mode, trap, irq or syscall */
+    prop_line.color = drawing_colors[COL_WAIT];
+  } else if(process->state->s == LTTV_STATE_WAIT_CPU) {
+    /* We don't show if we wait for CPU while in user mode, trap, irq
+     * or syscall */
+    prop_line.color = drawing_colors[COL_WAIT_CPU];
+  } else if(process->state->s == LTTV_STATE_ZOMBIE) {
+    prop_line.color = drawing_colors[COL_ZOMBIE];
+  } else if(process->state->s == LTTV_STATE_WAIT_FORK) {
+    prop_line.color = drawing_colors[COL_WAIT_FORK];
+  } else if(process->state->s == LTTV_STATE_EXIT) {
+    prop_line.color = drawing_colors[COL_EXIT];
+  } else if(process->state->s == LTTV_STATE_UNNAMED) {
+    prop_line.color = drawing_colors[COL_UNNAMED];
+  } else
+    g_assert(FALSE);   /* UNKNOWN STATE */
+  
+  return prop_line;
+
+}
 
+#if 0
 static __inline PropertiesLine prepare_status_line(LttvProcessState *process)
 {
   PropertiesLine prop_line;
@@ -309,7 +355,7 @@ static __inline PropertiesLine prepare_status_line(LttvProcessState *process)
   return prop_line;
 
 }
-
+#endif //0
 
 
 /* before_schedchange_hook
@@ -348,8 +394,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -390,8 +435,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
        /* Add process to process list (if not present) */
       guint y = 0, height = 0, pl_height = 0;
       HashedProcessData *hashed_process_data = NULL;
-      ProcessList *process_list = 
-                      guicontrolflow_get_process_list(control_flow_data);
+      ProcessList *process_list = control_flow_data->process_list;
       LttTime birth = process->creation_time;
       const gchar *name = g_quark_to_string(process->name);
       
@@ -447,8 +491,18 @@ int before_schedchange_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)
+        if(x == hashed_process_data->x.middle &&
+             hashed_process_data->x.middle_used)
         {
+          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,
+                           drawing->gc,
+                           x,
+                           y+(height/2)-3);
+            hashed_process_data->x.middle_marked = TRUE;
+          }
           /* jump */
         } else {
           DrawContext draw_context;
@@ -474,12 +528,14 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           {
             /* Draw the line */
-            PropertiesLine prop_line = prepare_status_line(process);
+            PropertiesLine prop_line = prepare_s_e_line(process);
             draw_line((void*)&prop_line, (void*)&draw_context);
 
           }
           /* become the last x position */
           hashed_process_data->x.middle = x;
+          hashed_process_data->x.middle_used = TRUE;
+          hashed_process_data->x.middle_marked = FALSE;
         }
       }
     }
@@ -502,8 +558,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
        /* Add process to process list (if not present) */
       guint y = 0, height = 0, pl_height = 0;
       HashedProcessData *hashed_process_data = NULL;
-      ProcessList *process_list = 
-                      guicontrolflow_get_process_list(control_flow_data);
+      ProcessList *process_list = control_flow_data->process_list;
       LttTime birth = process->creation_time;
       const gchar *name = g_quark_to_string(process->name);
       
@@ -560,8 +615,18 @@ int before_schedchange_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)
+        if(x == hashed_process_data->x.middle &&
+            hashed_process_data->x.middle_used)
         {
+          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,
+                           drawing->gc,
+                           x,
+                           y+(height/2)-3);
+            hashed_process_data->x.middle_marked = TRUE;
+          }
           /* jump */
         } else {
           DrawContext draw_context;
@@ -587,13 +652,15 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
           {
             /* Draw the line */
-            PropertiesLine prop_line = prepare_status_line(process);
+            PropertiesLine prop_line = prepare_s_e_line(process);
             draw_line((void*)&prop_line, (void*)&draw_context);
           }
 
           
           /* become the last x position */
           hashed_process_data->x.middle = x;
+          hashed_process_data->x.middle_used = TRUE;
+          hashed_process_data->x.middle_marked = FALSE;
         }
       }
     }
@@ -619,8 +686,8 @@ int before_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = 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)
@@ -637,8 +704,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
     LttTime birth;
     guint y_in = 0, y_out = 0, height = 0, pl_height = 0;
 
-    ProcessList *process_list =
-      guicontrolflow_get_process_list(control_flow_data);
+    ProcessList *process_list = control_flow_data->process_list;
 
 
     LttField *f = ltt_event_field(e);
@@ -1241,8 +1307,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -1256,8 +1321,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   guint y_in = 0, y_out = 0, height = 0, pl_height = 0;
   HashedProcessData *hashed_process_data_in = NULL;
 
-  ProcessList *process_list =
-    guicontrolflow_get_process_list(control_flow_data);
+  ProcessList *process_list = control_flow_data->process_list;
   
   guint pid_in;
   {
@@ -1311,16 +1375,27 @@ int after_schedchange_hook(void *hook_data, void *call_data)
     drawing_insert_square( control_flow_data->drawing, y_in, height);
   }
 
+  guint new_x;
+  
   convert_time_to_pixels(
       time_window.start_time,
       end_time,
       evtime,
       width,
-      &hashed_process_data_in->x.middle);
+      &new_x);
+
+  if(hashed_process_data_in->x.middle != new_x) {
+    hashed_process_data_in->x.middle = new_x;
+    hashed_process_data_in->x.middle_used = FALSE;
+    hashed_process_data_in->x.middle_marked = FALSE;
+  }
+
   return 0;
 
 
 
+
+
 #if 0
   EventsRequest *events_request = (EventsRequest*)hook_data;
   ControlFlowData *control_flow_data = events_request->viewer_data;
@@ -1338,8 +1413,8 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = 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)
@@ -1357,8 +1432,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
     LttTime birth;
     guint y_in = 0, y_out = 0, height = 0, pl_height = 0;
 
-    ProcessList *process_list =
-      guicontrolflow_get_process_list(control_flow_data);
+    ProcessList *process_list = control_flow_data->process_list;
 
 
     LttField *f = ltt_event_field(e);
@@ -1774,6 +1848,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
 #endif //0
 }
 
+#if 0
 static __inline PropertiesLine prepare_execmode_line(LttvProcessState *process)
 {
   PropertiesLine prop_line;
@@ -1804,7 +1879,7 @@ static __inline PropertiesLine prepare_execmode_line(LttvProcessState *process)
   return prop_line;
 
 }
-
+#endif //0
 
 
 /* before_execmode_hook
@@ -1843,8 +1918,7 @@ int before_execmode_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -1868,8 +1942,7 @@ int before_execmode_hook(void *hook_data, void *call_data)
    /* Add process to process list (if not present) */
   guint y = 0, height = 0, pl_height = 0;
   HashedProcessData *hashed_process_data = NULL;
-  ProcessList *process_list = 
-                  guicontrolflow_get_process_list(control_flow_data);
+  ProcessList *process_list = control_flow_data->process_list;
   LttTime birth = process->creation_time;
   const gchar *name = g_quark_to_string(process->name);
   
@@ -1926,8 +1999,18 @@ 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.over)
+    if(x == hashed_process_data->x.middle &&
+             hashed_process_data->x.middle_used)
     {
+      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,
+                       drawing->gc,
+                       x,
+                       y+(height/2)-3);
+        hashed_process_data->x.middle_marked = TRUE;
+      }
       /* jump */
     } else {
 
@@ -1937,7 +2020,7 @@ int before_execmode_hook(void *hook_data, void *call_data)
       draw_context.drawable = drawing->pixmap;
       draw_context.gc = drawing->gc;
       draw_context.pango_layout = drawing->pango_layout;
-      draw_context.drawinfo.start.x = hashed_process_data->x.over;
+      draw_context.drawinfo.start.x = hashed_process_data->x.middle;
       draw_context.drawinfo.end.x = x;
 
       draw_context.drawinfo.y.over = y+1;
@@ -1953,12 +2036,14 @@ int before_execmode_hook(void *hook_data, void *call_data)
 
       {
         /* Draw the line */
-        PropertiesLine prop_line = prepare_execmode_line(process);
+        PropertiesLine prop_line = prepare_s_e_line(process);
         draw_line((void*)&prop_line, (void*)&draw_context);
 
       }
       /* become the last x position */
-      hashed_process_data->x.over = x;
+      hashed_process_data->x.middle = x;
+      hashed_process_data->x.middle_used = TRUE;
+      hashed_process_data->x.middle_marked = FALSE;
     }
   }
   
@@ -1992,8 +2077,7 @@ int after_execmode_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -2007,9 +2091,7 @@ int after_execmode_hook(void *hook_data, void *call_data)
   guint y = 0, height = 0, pl_height = 0;
   HashedProcessData *hashed_process_data = NULL;
 
-  ProcessList *process_list =
-    guicontrolflow_get_process_list(control_flow_data);
-  
+  ProcessList *process_list = control_flow_data->process_list;
 
   /* Find process pid_in in the list... */
   process = tfs->process;
@@ -2051,13 +2133,22 @@ int after_execmode_hook(void *hook_data, void *call_data)
             &hashed_process_data);
     drawing_insert_square( control_flow_data->drawing, y, height);
   }
-
+  
+  guint new_x;
+  
   convert_time_to_pixels(
       time_window.start_time,
       end_time,
       evtime,
       width,
-      &hashed_process_data->x.over);
+      &new_x);
+
+  if(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;
+  }
+
   return 0;
 }
 
@@ -2091,8 +2182,7 @@ int before_process_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -2117,8 +2207,7 @@ int before_process_hook(void *hook_data, void *call_data)
     guint y = 0, height = 0, pl_height = 0;
     HashedProcessData *hashed_process_data = NULL;
 
-    ProcessList *process_list =
-      guicontrolflow_get_process_list(control_flow_data);
+    ProcessList *process_list = control_flow_data->process_list;
     
     g_assert(process != NULL);
 
@@ -2178,8 +2267,18 @@ 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)
-      {
+      if(x == hashed_process_data->x.middle &&
+             hashed_process_data->x.middle_used)
+      { 
+        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,
+                         drawing->gc,
+                         x,
+                         y+(height/2)-3);
+          hashed_process_data->x.middle_marked = TRUE;
+        }
         /* jump */
       } else {
         DrawContext draw_context;
@@ -2205,12 +2304,14 @@ int before_process_hook(void *hook_data, void *call_data)
 
         {
           /* Draw the line */
-          PropertiesLine prop_line = prepare_status_line(process);
+          PropertiesLine prop_line = prepare_s_e_line(process);
           draw_line((void*)&prop_line, (void*)&draw_context);
 
         }
         /* become the last x position */
         hashed_process_data->x.middle = x;
+        hashed_process_data->x.middle_used = TRUE;
+        hashed_process_data->x.middle_marked = FALSE;
       }
     }
 
@@ -2252,8 +2353,7 @@ int after_process_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -2281,9 +2381,7 @@ int after_process_hook(void *hook_data, void *call_data)
     guint y_child = 0, height = 0, pl_height = 0;
     HashedProcessData *hashed_process_data_child = NULL;
 
-    ProcessList *process_list =
-      guicontrolflow_get_process_list(control_flow_data);
-    
+    ProcessList *process_list = control_flow_data->process_list;
 
     /* Find child in the list... */
     process_child = lttv_state_find_process(tfs, child_pid);
@@ -2331,9 +2429,22 @@ int after_process_hook(void *hook_data, void *call_data)
         evtime,
         width,
         &new_x);
-    hashed_process_data_child->x.over = new_x;
-    hashed_process_data_child->x.middle = new_x;
-    hashed_process_data_child->x.under = new_x;
+
+    if(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) {
+      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) {
+      hashed_process_data_child->x.under = new_x;
+      hashed_process_data_child->x.under_used = FALSE;
+      hashed_process_data_child->x.under_marked = FALSE;
+    }
 
   } else if(sub_id == 3) { /* exit */
 
@@ -2344,9 +2455,7 @@ int after_process_hook(void *hook_data, void *call_data)
     guint y = 0, height = 0, pl_height = 0;
     HashedProcessData *hashed_process_data = NULL;
 
-    ProcessList *process_list =
-      guicontrolflow_get_process_list(control_flow_data);
-    
+    ProcessList *process_list = control_flow_data->process_list;
 
     /* It should exist, because we are after the state update. */
     g_assert(process != NULL);
@@ -2392,7 +2501,13 @@ int after_process_hook(void *hook_data, void *call_data)
         evtime,
         width,
         &new_x);
-    hashed_process_data->x.middle = new_x;
+    if(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;
+    }
+
+
   }
   return 0;
 
@@ -2443,10 +2558,8 @@ gint update_time_window_hook(void *hook_data, void *call_data)
     g_info("scrolling");
     LttTime *ns = &new_time_window->start_time;
     LttTime *os = &old_time_window->start_time;
-    LttTime old_end = ltt_time_add(old_time_window->start_time,
-                                    old_time_window->time_width);
-    LttTime new_end = ltt_time_add(new_time_window->start_time,
-                                    new_time_window->time_width);
+    LttTime old_end = old_time_window->end_time;
+    LttTime new_end = new_time_window->end_time;
     //if(ns<os+w<ns+w)
     //if(ns<os+w && os+w<ns+w)
     //if(ns<old_end && os<ns)
@@ -2768,6 +2881,7 @@ gint update_current_time_hook(void *hook_data, void *call_data)
   
     new_time_window.start_time = time_begin;
     new_time_window.time_width = width;
+    new_time_window.end_time = ltt_time_add(time_begin, width);
 
     lttvwindow_report_time_window(control_flow_data->tab, new_time_window);
   }
@@ -2782,6 +2896,7 @@ gint update_current_time_hook(void *hook_data, void *call_data)
   
     new_time_window.start_time = time_begin;
     new_time_window.time_width = width;
+    new_time_window.end_time = ltt_time_add(time_begin, width);
 
     lttvwindow_report_time_window(control_flow_data->tab, new_time_window);
     
@@ -2819,8 +2934,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  LttTime end_time = time_window.end_time;
 
   if(ltt_time_compare(evtime, time_window.start_time) == -1
         || ltt_time_compare(evtime, end_time) == 1)
@@ -2851,8 +2965,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
       /* Only draw for processes that are currently in the trace states */
 
       guint y = 0, height = 0, pl_height = 0;
-      ProcessList *process_list = 
-                      guicontrolflow_get_process_list(control_flow_data);
+      ProcessList *process_list = control_flow_data->process_list;
       LttTime birth = process_info->birth;
       
       /* Should be alike when background info is ready */
@@ -2910,7 +3023,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
         draw_context.drawinfo.end.offset.over = 0;
         draw_context.drawinfo.end.offset.middle = 0;
         draw_context.drawinfo.end.offset.under = 0;
-
+#if 0
         /* Jump over draw if we are at the same x position */
         if(x == hashed_process_data->x.over)
         {
@@ -2923,17 +3036,32 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
 
           hashed_process_data->x.over = x;
         }
+#endif //0
 
-        if(x == hashed_process_data->x.middle) {
+        if(x == hashed_process_data->x.middle &&
+            hashed_process_data->x.middle_used) {
+          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,
+                           drawing->gc,
+                           x,
+                           y+(height/2)-3);
+            hashed_process_data->x.middle_marked = TRUE;
+          }
           /* Jump */
         } else {
           draw_context.drawinfo.start.x = hashed_process_data->x.middle;
           /* Draw the line */
-          PropertiesLine prop_line = prepare_status_line(process);
+          PropertiesLine prop_line = prepare_s_e_line(process);
           draw_line((void*)&prop_line, (void*)&draw_context);
 
            /* become the last x position */
-          hashed_process_data->x.middle = x;
+          if(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;
+          }
         }
       }
     }
@@ -2978,8 +3106,7 @@ int after_request(void *hook_data, void *call_data)
   LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data);
   LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(call_data);
   
-  ProcessList *process_list =
-    guicontrolflow_get_process_list(control_flow_data);
+  ProcessList *process_list = control_flow_data->process_list;
   LttTime end_time = events_request->end_time;
 
   ClosureData closure_data;
@@ -3010,8 +3137,7 @@ int after_chunk(void *hook_data, void *call_data)
   LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc);
   LttTime end_time;
   
-  ProcessList *process_list =
-    guicontrolflow_get_process_list(control_flow_data);
+  ProcessList *process_list = control_flow_data->process_list;
 
   if(tfc != NULL)
     end_time = LTT_TIME_MIN(tfc->timestamp, events_request->end_time);
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