LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
TimeInterval time_span = tsc->time_span;
GtkAdjustment *adjustment = gtk_range_get_adjustment(GTK_RANGE(tab->scrollbar));
LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
TimeInterval time_span = tsc->time_span;
GtkAdjustment *adjustment = gtk_range_get_adjustment(GTK_RANGE(tab->scrollbar));