}
+/* Before try-wake-up hook. A process is being woken; we need to draw its line up to this point in time
+ in that colour. This is basically like exec-state, but the change applies to a process other than that
+ which is currently running. */
+
+int before_trywakeup_hook(void *hook_data, void *call_data)
+{
+ LttvTraceHook *th = (LttvTraceHook*)hook_data;
+ EventsRequest *events_request = (EventsRequest*)th->hook_data;
+ ControlFlowData *control_flow_data = events_request->viewer_data;
+
+ LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
+
+ LttvTracefileState *tfs = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState *)tfc->t_context;
+
+ LttEvent *e = ltt_tracefile_get_event(tfc->tf);
+ gint target_pid_saved = tfc->target_pid;
+
+ LttTime evtime = ltt_event_time(e);
+ LttvFilter *filter = control_flow_data->filter;
+
+ guint woken_pid;
+ gint woken_cpu;
+
+ woken_pid = ltt_event_get_int(e, lttv_trace_get_hook_field(th, 0));
+ woken_cpu = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 1));
+
+ tfc->target_pid = woken_pid;
+ if(!filter || !filter->head ||
+ lttv_filter_tree_parse(filter->head,e,tfc->tf,
+ tfc->t_context->t,tfc,NULL,NULL)) {
+
+ /* First, check if the woken process is in the state computation
+ * process list. If it is there, that means we must add it right now and
+ * 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. TOCHECK: What does that last para mean? */
+ guint cpu = tfs->cpu;
+ guint trace_num = ts->parent.index;
+ LttvProcessState *process = lttv_state_find_process(ts, woken_cpu, woken_pid);
+
+ if(process != NULL) {
+ /* Well, the woken process 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 pl_height = 0;
+ HashedProcessData *hashed_process_data = NULL;
+ ProcessList *process_list = control_flow_data->process_list;
+ LttTime birth = process->creation_time;
+
+ hashed_process_data = processlist_get_process_data(process_list,
+ woken_pid,
+ process->cpu,
+ &birth,
+ trace_num);
+ if(hashed_process_data == NULL)
+ {
+ g_assert(woken_pid != process->ppid);
+ /* Process not present */
+ ProcessInfo *process_info;
+ Drawing_t *drawing = control_flow_data->drawing;
+ processlist_add(process_list,
+ drawing,
+ woken_pid,
+ process->tgid,
+ process->cpu,
+ process->ppid,
+ &birth,
+ trace_num,
+ process->name,
+ process->brand,
+ &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.
+ */
+
+ 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 FALSE;
+#endif //EXTRA_CHECK
+ Drawing_t *drawing = control_flow_data->drawing;
+ guint width = drawing->width;
+ 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(hashed_process_data->pixmap,
+ drawing->gc,
+ x,
+ COLLISION_POSITION(hashed_process_data->height));
+ 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 FALSE;
+#endif //EXTRA_CHECK
+ Drawing_t *drawing = control_flow_data->drawing;
+ guint width = drawing->width;
+ guint x;
+ convert_time_to_pixels(
+ time_window,
+ evtime,
+ width,
+ &x);
+
+
+ /* 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(hashed_process_data->x.middle_marked == FALSE) {
+ /* Draw collision indicator */
+ gdk_gc_set_foreground(drawing->gc, &drawing_colors[COL_WHITE]);
+ gdk_draw_point(hashed_process_data->pixmap,
+ drawing->gc,
+ x,
+ COLLISION_POSITION(hashed_process_data->height));
+ hashed_process_data->x.middle_marked = TRUE;
+ }
+ /* jump */
+ } else {
+ DrawContext draw_context;
+
+ /* Now create the drawing context that will be used to draw
+ * items related to the last state. */
+ 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 = 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;
+ draw_context.drawinfo.start.offset.under = 0;
+ draw_context.drawinfo.end.offset.over = 0;
+ draw_context.drawinfo.end.offset.middle = 0;
+ draw_context.drawinfo.end.offset.under = 0;
+
+ {
+ /* Draw the line */
+ 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;
+
+ /* Calculate the next good time */
+ convert_pixels_to_time(width, x+1, time_window,
+ &hashed_process_data->next_good_time);
+ }
+ }
+ }
+ }
+
+ tfc->target_pid = target_pid_saved;
+
+ return 0;
+
+}
/* before_schedchange_hook
*
projects / lttv.git / blobdiff