+ convert_time_to_pixels(
+ time_window.start_time,
+ end_time,
+ evtime,
+ width,
+ &hashed_process_data->x.over);
+ return 0;
+}
+
+
+
+/* before_process_hook
+ *
+ * Draw lines for process event.
+ *
+ * @param hook_data ControlFlowData structure of the viewer.
+ * @param call_data Event context.
+ *
+ * This function adds items to be drawn in a queue for each process.
+ *
+ */
+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 = ltt_time_add(time_window.start_time,
+ time_window.time_width);
+
+ if(ltt_time_compare(evtime, time_window.start_time) == -1
+ || ltt_time_compare(evtime, end_time) == 1)
+ return;
+
+ guint width = control_flow_data->drawing->width;
+
+ guint sub_id;
+ {
+ LttField *f = ltt_event_field(e);
+ LttField *element;
+ element = ltt_field_member(f,0);
+ sub_id = ltt_event_get_long_unsigned(e,element);
+ }
+
+ if(sub_id == 3) { /* exit */
+
+ /* Add process to process list (if not present) */
+ LttvProcessState *process = tfs->process;
+ guint pid = process->pid;
+ LttTime birth;
+ guint y = 0, height = 0, pl_height = 0;
+ HashedProcessData *hashed_process_data = NULL;
+
+ ProcessList *process_list =
+ guicontrolflow_get_process_list(control_flow_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,
+ pid,
+ process->last_cpu,
+ &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,