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use time_window.end_time directly
[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 d3c454d2579274cbb7a81d409b1eb7d5fcf21cb3..924f3711ba8660b2ba34c61559bddff37386e942 100644 (file)
--- a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
+++ b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c
@@ -385,7 +385,7 @@ int before_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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -393,13 +393,11 @@ int before_schedchange_hook(void *hook_data, void *call_data)
   LttTime evtime = ltt_event_time(e);
   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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
   guint width = drawing->width;
 
   /* we are in a schedchange, before the state update. We must draw the
@@ -428,6 +426,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
      * be added after the state update.  */
     LttvProcessState *process;
     process = lttv_state_find_process(tfs, pid_out);
+    //process = tfs->process;
     
     if(process != NULL) {
       /* Well, the process_out existed : we must get it in the process hash
@@ -451,6 +450,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
       {
         g_assert(pid_out == 0 || pid_out != process->ppid);
         /* Process not present */
+        ProcessInfo *process_info;
         processlist_add(process_list,
             pid_out,
             process->last_cpu,
@@ -459,15 +459,13 @@ int before_schedchange_hook(void *hook_data, void *call_data)
             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,
+        processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
                 &y,
-                &height,
-                &hashed_process_data);
+                &height);
         drawing_insert_square( drawing, y, height);
       }
     
@@ -481,11 +479,29 @@ int before_schedchange_hook(void *hook_data, void *call_data)
        * 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) {
+          guint x;
+          convert_time_to_pixels(
+                    time_window,
+                    evtime,
+                    width,
+                    &x);
+
+          /* 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;
+        }
+      } else {
         guint x;
         convert_time_to_pixels(
-                  time_window.start_time,
-                  end_time,
+                  time_window,
                   evtime,
                   width,
                   &x);
@@ -537,6 +553,10 @@ int before_schedchange_hook(void *hook_data, void *call_data)
           hashed_process_data->x.middle = x;
           hashed_process_data->x.middle_used = TRUE;
           hashed_process_data->x.middle_marked = FALSE;
+
+          /* Calculate the next good time */
+          convert_pixels_to_time(width, x+1, time_window,
+                                 &hashed_process_data->next_good_time);
         }
       }
     }
@@ -574,6 +594,7 @@ int before_schedchange_hook(void *hook_data, void *call_data)
       {
         g_assert(pid_in == 0 || pid_in != process->ppid);
         /* Process not present */
+        ProcessInfo *process_info;
         processlist_add(process_list,
             pid_in,
             process->last_cpu,
@@ -582,15 +603,13 @@ int before_schedchange_hook(void *hook_data, void *call_data)
             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,
+        processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
                 &y,
-                &height,
-                &hashed_process_data);
+                &height);
         drawing_insert_square( drawing, y, height);
       }
     
@@ -604,12 +623,31 @@ int before_schedchange_hook(void *hook_data, void *call_data)
        * 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) {
+          guint x;
+          convert_time_to_pixels(
+                    time_window,
+                    evtime,
+                    width,
+                    &x);
+
+          /* 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;
+        }
+      } else {
         guint x;
 
         convert_time_to_pixels(
-                  time_window.start_time,
-                  end_time,
+                  time_window,
                   evtime,
                   width,
                   &x);
@@ -662,6 +700,10 @@ int before_schedchange_hook(void *hook_data, void *call_data)
           hashed_process_data->x.middle = x;
           hashed_process_data->x.middle_used = TRUE;
           hashed_process_data->x.middle_marked = FALSE;
+
+          /* Calculate the next good time */
+          convert_pixels_to_time(width, x+1, time_window,
+                                 &hashed_process_data->next_good_time);
         }
       }
     }
@@ -687,11 +729,11 @@ 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 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)
@@ -798,13 +840,10 @@ int before_schedchange_hook(void *hook_data, void *call_data)
 
     LttTime time = ltt_event_time(e);
 
-    LttTime window_end = ltt_time_add(time_window.time_width,
-                          time_window.start_time);
-
+    LttTime window_end = time_window.time_window.end_time;
     
     convert_time_to_pixels(
-        time_window.start_time,
-        window_end,
+        time_window,
         time,
         width,
         &x);
@@ -1299,7 +1338,7 @@ 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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -1308,12 +1347,11 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = control_flow_data->drawing->width;
 
@@ -1356,6 +1394,7 @@ int after_schedchange_hook(void *hook_data, void *call_data)
           &hashed_process_data_in) == 1)
   {
     g_assert(pid_in == 0 || pid_in != process_in->ppid);
+    ProcessInfo *process_info;
     /* Process not present */
     processlist_add(process_list,
         pid_in,
@@ -1365,33 +1404,33 @@ int after_schedchange_hook(void *hook_data, void *call_data)
         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);
+    processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data_in,
+                &y_in,
+                &height);
     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,
-      &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;
-  }
+  if(ltt_time_compare(hashed_process_data_in->next_good_time,
+                          evtime) <= 0)
+  {
+    guint new_x;
+    
+    convert_time_to_pixels(
+        time_window,
+        evtime,
+        width,
+        &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;
 
 
@@ -1415,11 +1454,11 @@ int after_schedchange_hook(void *hook_data, void *call_data)
   TimeWindow time_window = 
     lttvwindow_get_time_window(control_flow_data->tab);
 
-  LttTime end_time = ltt_time_add(time_window.start_time,
-                                    time_window.time_width);
+  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;
 
 
@@ -1528,13 +1567,11 @@ int after_schedchange_hook(void *hook_data, void *call_data)
 
     //LttTime time = ltt_event_time(e);
 
-    //LttTime window_end = ltt_time_add(time_window->time_width,
-    //                      time_window->start_time);
+    //LttTime window_end = time_window->time_window.end_time;
 
     
     //convert_time_to_pixels(
-    //    time_window->start_time,
-    //    window_end,
+    //    *time_window,
     //    time,
     //    width,
     //    &x);
@@ -1911,7 +1948,7 @@ int before_execmode_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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -1920,12 +1957,11 @@ 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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = drawing->width;
 
@@ -1959,6 +1995,7 @@ int before_execmode_hook(void *hook_data, void *call_data)
           &hashed_process_data) == 1)
   {
     g_assert(pid == 0 || pid != process->ppid);
+    ProcessInfo *process_info;
     /* Process not present */
     processlist_add(process_list,
         pid,
@@ -1968,15 +2005,13 @@ int before_execmode_hook(void *hook_data, void *call_data)
         tfc->t_context->index,
         name,
         &pl_height,
+        &process_info,
         &hashed_process_data);
-    processlist_get_process_pixels(process_list,
-            pid,
-            process->last_cpu,
-            &birth,
-            tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data);
+    processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
+                &y,
+                &height);
     drawing_insert_square( drawing, y, height);
   }
 
@@ -1990,12 +2025,31 @@ int before_execmode_hook(void *hook_data, void *call_data)
    * value.
    */
   g_assert(hashed_process_data->x.over != -1);
+
+  if(ltt_time_compare(hashed_process_data->next_good_time,
+                      evtime) > 0)
   {
+    if(hashed_process_data->x.middle_marked == FALSE) {
+      guint x;
+      convert_time_to_pixels(
+                time_window,
+                evtime,
+                width,
+                &x);
+
+      /* 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;
+    }
+  } else {
     guint x;
 
     convert_time_to_pixels(
-        time_window.start_time,
-        end_time,
+        time_window,
         evtime,
         width,
         &x);
@@ -2047,6 +2101,10 @@ int before_execmode_hook(void *hook_data, void *call_data)
       hashed_process_data->x.middle = x;
       hashed_process_data->x.middle_used = TRUE;
       hashed_process_data->x.middle_marked = FALSE;
+
+      /* Calculate the next good time */
+      convert_pixels_to_time(width, x+1, time_window,
+                             &hashed_process_data->next_good_time);
     }
   }
   
@@ -2071,7 +2129,7 @@ int after_execmode_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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -2080,12 +2138,11 @@ 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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = control_flow_data->drawing->width;
 
@@ -2118,6 +2175,7 @@ int after_execmode_hook(void *hook_data, void *call_data)
   {
     g_assert(pid == 0 || pid != process->ppid);
     /* Process not present */
+    ProcessInfo *process_info;
     processlist_add(process_list,
         pid,
         process->last_cpu,
@@ -2126,33 +2184,33 @@ int after_execmode_hook(void *hook_data, void *call_data)
         tfc->t_context->index,
         name,
         &pl_height,
+        &process_info,
         &hashed_process_data);
-    processlist_get_process_pixels(process_list,
-            pid,
-            process->last_cpu,
-            &birth,
-            tfc->t_context->index,
-            &y,
-            &height,
-            &hashed_process_data);
+    processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
+                &y,
+                &height);
     drawing_insert_square( control_flow_data->drawing, y, height);
   }
   
-  guint new_x;
-  
-  convert_time_to_pixels(
-      time_window.start_time,
-      end_time,
-      evtime,
-      width,
-      &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;
-  }
+  if(ltt_time_compare(hashed_process_data->next_good_time,
+                          evtime) <= 0)
+  {
+    guint new_x;
+    
+    convert_time_to_pixels(
+        time_window,
+        evtime,
+        width,
+        &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;
 }
 
@@ -2177,7 +2235,7 @@ int before_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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -2186,12 +2244,11 @@ 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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = control_flow_data->drawing->width;
 
@@ -2230,6 +2287,7 @@ int before_process_hook(void *hook_data, void *call_data)
     {
       g_assert(pid == 0 || pid != process->ppid);
       /* Process not present */
+      ProcessInfo *process_info;
       processlist_add(process_list,
           pid,
           process->last_cpu,
@@ -2238,15 +2296,13 @@ int before_process_hook(void *hook_data, void *call_data)
           tfc->t_context->index,
           name,
           &pl_height,
+          &process_info,
           &hashed_process_data);
-      processlist_get_process_pixels(process_list,
-              pid,
-              process->last_cpu,
-              &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data);
+      processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
+                &y,
+                &height);
       drawing_insert_square( control_flow_data->drawing, y, height);
     }
 
@@ -2260,12 +2316,31 @@ int before_process_hook(void *hook_data, void *call_data)
      * value.
      */
     g_assert(hashed_process_data->x.over != -1);
+
+    if(ltt_time_compare(hashed_process_data->next_good_time,
+                        evtime) > 0)
     {
+      if(hashed_process_data->x.middle_marked == FALSE) {
+        guint x;
+        convert_time_to_pixels(
+                  time_window,
+                  evtime,
+                  width,
+                  &x);
+
+        /* 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;
+      }
+    } else {
       guint x;
 
       convert_time_to_pixels(
-          time_window.start_time,
-          end_time,
+          time_window,
           evtime,
           width,
           &x);
@@ -2317,6 +2392,10 @@ int before_process_hook(void *hook_data, void *call_data)
         hashed_process_data->x.middle = x;
         hashed_process_data->x.middle_used = TRUE;
         hashed_process_data->x.middle_marked = FALSE;
+
+        /* Calculate the next good time */
+        convert_pixels_to_time(width, x+1, time_window,
+                               &hashed_process_data->next_good_time);
       }
     }
 
@@ -2349,7 +2428,7 @@ 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;
+  LttvTraceState *ts =(LttvTraceState *)((LttvTracefileContext*)tfs)->t_context;
 
   LttEvent *e;
   e = tfc->e;
@@ -2358,12 +2437,11 @@ 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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = control_flow_data->drawing->width;
 
@@ -2408,6 +2486,7 @@ int after_process_hook(void *hook_data, void *call_data)
     {
       g_assert(child_pid == 0 || child_pid != process_child->ppid);
       /* Process not present */
+      ProcessInfo *process_info;
       processlist_add(process_list,
           child_pid,
           process_child->last_cpu,
@@ -2416,40 +2495,41 @@ int after_process_hook(void *hook_data, void *call_data)
           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);
+      processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data_child,
+                &y_child,
+                &height);
       drawing_insert_square( control_flow_data->drawing, y_child, height);
     }
 
-    guint new_x;
-    convert_time_to_pixels(
-        time_window.start_time,
-        end_time,
-        evtime,
-        width,
-        &new_x);
+    if(ltt_time_compare(hashed_process_data_child->next_good_time,
+                          evtime) <= 0)
+    {
+      guint new_x;
+      convert_time_to_pixels(
+          time_window,
+          evtime,
+          width,
+          &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;
+      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 */
@@ -2480,6 +2560,7 @@ int after_process_hook(void *hook_data, void *call_data)
     {
       g_assert(pid == 0 || pid != process->ppid);
       /* Process not present */
+      ProcessInfo *process_info;
       processlist_add(process_list,
           pid,
           process->last_cpu,
@@ -2488,32 +2569,32 @@ int after_process_hook(void *hook_data, void *call_data)
           tfc->t_context->index,
           name,
           &pl_height,
+          &process_info,
           &hashed_process_data);
-      processlist_get_process_pixels(process_list,
-              pid,
-              process->last_cpu,
-              &birth,
-              tfc->t_context->index,
-              &y,
-              &height,
-              &hashed_process_data);
+      processlist_get_pixels_from_data(process_list,
+                process_info,
+                hashed_process_data,
+                &y,
+                &height);
       drawing_insert_square( control_flow_data->drawing, y, height);
     }
 
-    guint new_x;
-    convert_time_to_pixels(
-        time_window.start_time,
-        end_time,
-        evtime,
-        width,
-        &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;
+    if(ltt_time_compare(hashed_process_data->next_good_time,
+                          evtime) <= 0)
+    {
+      guint new_x;
+      convert_time_to_pixels(
+          time_window,
+          evtime,
+          width,
+          &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;
 
@@ -2563,11 +2644,11 @@ gint update_time_window_hook(void *hook_data, void *call_data)
     /* Same scale (scrolling) */
     g_info("scrolling");
     LttTime *ns = &new_time_window->start_time;
+    LttTime *nw = &new_time_window->time_width;
     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 *ow = &old_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)
@@ -2579,8 +2660,7 @@ gint update_time_window_hook(void *hook_data, void *call_data)
       guint x = 0;
       guint width = control_flow_data->drawing->width;
       convert_time_to_pixels(
-          *os,
-          old_end,
+          *old_time_window,
           *ns,
           width,
           &x);
@@ -2632,8 +2712,7 @@ gint update_time_window_hook(void *hook_data, void *call_data)
         guint x = 0;
         guint width = control_flow_data->drawing->width;
         convert_time_to_pixels(
-            *ns,
-            new_end,
+            *new_time_window,
             *os,
             width,
             &x);
@@ -2889,6 +2968,8 @@ 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.time_width_double = ltt_time_to_double(width);
+    new_time_window.end_time = ltt_time_add(time_begin, width);
 
     lttvwindow_report_time_window(control_flow_data->tab, new_time_window);
   }
@@ -2903,6 +2984,8 @@ 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.time_width_double = ltt_time_to_double(width);
+    new_time_window.end_time = ltt_time_add(time_begin, width);
 
     lttvwindow_report_time_window(control_flow_data->tab, new_time_window);
     
@@ -2940,12 +3023,11 @@ 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);
-
+#ifdef EXTRA_CHECK
   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;
+#endif //EXTRA_CHECK
 
   guint width = drawing->width;
 
@@ -2982,14 +3064,11 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
       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,
+      processlist_get_pixels_from_data(process_list,
+              process_info,
+              hashed_process_data,
               &y,
-              &height,
-              &hashed_process_data) != 1);
+              &height);
     
       /* Now, the process is in the state hash and our own process hash.
        * We definitely can draw the items related to the ending state.
@@ -3001,12 +3080,14 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
        * value.
        */
       g_assert(hashed_process_data->x.over != -1);
+
+      if(ltt_time_compare(hashed_process_data->next_good_time,
+                            evtime) <= 0)
       {
         guint x;
 
         convert_time_to_pixels(
-            time_window.start_time,
-            end_time,
+            time_window,
             evtime,
             width,
             &x);
@@ -3047,6 +3128,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
 
         if(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 */
             gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
@@ -3056,6 +3138,7 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
                            y+(height/2)-3);
             hashed_process_data->x.middle_marked = TRUE;
           }
+#endif //0
           /* Jump */
         } else {
           draw_context.drawinfo.start.x = hashed_process_data->x.middle;
@@ -3068,6 +3151,10 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data)
             hashed_process_data->x.middle = x;
             /* but don't use the pixel */
             hashed_process_data->x.middle_used = FALSE;
+
+            /* Calculate the next good time */
+            convert_pixels_to_time(width, x+1, time_window,
+                                  &hashed_process_data->next_good_time);
           }
         }
       }
@@ -3079,7 +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);
 
@@ -3089,7 +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);
 
@@ -3110,8 +3197,8 @@ 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;
+  LttvTracesetContext *tsc = (LttvTracesetContext*)call_data;
   
   ProcessList *process_list = control_flow_data->process_list;
   LttTime end_time = events_request->end_time;
@@ -3139,8 +3226,8 @@ 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;
   
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