diff --git a/profiler_gui/common_types.h b/profiler_gui/common_types.h
index 9a7b815..57e6010 100644
--- a/profiler_gui/common_types.h
+++ b/profiler_gui/common_types.h
@@ -426,7 +426,7 @@ template <class T> inline bool is_max(const T& _value) {
 
 inline double percentReal(::profiler::timestamp_t _partial, ::profiler::timestamp_t _total)
 {
-    return 100. * static_cast<double>(_partial) / static_cast<double>(_total);
+    return _total ? 100. * static_cast<double>(_partial) / static_cast<double>(_total) : 0.;
 }
 
 inline int percent(::profiler::timestamp_t _partial, ::profiler::timestamp_t _total)
diff --git a/profiler_gui/easy_graphics_scrollbar.cpp b/profiler_gui/easy_graphics_scrollbar.cpp
index a2ec8e7..34455e0 100644
--- a/profiler_gui/easy_graphics_scrollbar.cpp
+++ b/profiler_gui/easy_graphics_scrollbar.cpp
@@ -234,6 +234,7 @@ EasyHystogramItem::EasyHystogramItem() : Parent(nullptr)
     , m_maxDuration(0)
     , m_minDuration(0)
     , m_timer(::std::bind(&This::onTimeout, this))
+    , m_pProfilerThread(nullptr)
     , m_threadId(0)
     , m_blockId(::profiler_gui::numeric_max<decltype(m_blockId)>())
     , m_timeouts(0)
@@ -450,10 +451,12 @@ void EasyHystogramItem::paintByPtr(QPainter* _painter)
 
     _painter->setPen(Qt::black);
     rect.setRect(0, bottom + 2, width, widget->defaultFontHeight());
-    _painter->drawText(rect, Qt::AlignHCenter | Qt::TextDontClip, QString("%1  |  duration: %2  |  active time: %3 (%4%)").arg(m_threadName)
+    _painter->drawText(rect, Qt::AlignHCenter | Qt::TextDontClip, QString("%1  |  duration: %2  |  active time: %3 (%4%)  |  %5 blocks (%6 events)").arg(m_threadName)
                        .arg(::profiler_gui::timeStringRealNs(EASY_GLOBALS.time_units, m_threadDuration))
                        .arg(::profiler_gui::timeStringRealNs(EASY_GLOBALS.time_units, m_threadActiveTime))
-                       .arg(QString::number(100. * (double)m_threadActiveTime / (double)m_threadDuration, 'f', 2)));
+                       .arg(m_threadDuration ? QString::number(100. * (double)m_threadActiveTime / (double)m_threadDuration, 'f', 2) : QString("0"))
+                       .arg(m_pProfilerThread->blocks_number)
+                       .arg(m_pProfilerThread->events.size()));
 
     _painter->drawText(rect, Qt::AlignLeft, bindMode ? " MODE: zoom" : " MODE: overview");
 
@@ -669,7 +672,7 @@ void EasyHystogramItem::paintById(QPainter* _painter)
         {
             _painter->drawText(rect, Qt::AlignHCenter | Qt::TextDontClip, QString("%1  |  %2  |  %3 calls  |  %4% of thread active time").arg(m_threadName).arg(name)
                                .arg(item->tree.per_thread_stats->calls_number)
-                               .arg(QString::number(100. * (double)item->tree.per_thread_stats->total_duration / (double)m_threadActiveTime, 'f', 2)));
+                               .arg(m_threadActiveTime ? QString::number(100. * (double)item->tree.per_thread_stats->total_duration / (double)m_threadActiveTime, 'f', 2) : QString("100")));
         }
         else
         {
@@ -750,6 +753,7 @@ void EasyHystogramItem::setSource(::profiler::thread_id_t _thread_id, const ::pr
 
     if (m_pSource == nullptr)
     {
+        m_pProfilerThread = nullptr;
         m_maxDurationStr.clear();
         m_minDurationStr.clear();
         m_threadName.clear();
@@ -769,6 +773,8 @@ void EasyHystogramItem::setSource(::profiler::thread_id_t _thread_id, const ::pr
             m_threadDuration = easyBlock(root.children.back()).tree.node->end() - easyBlock(root.children.front()).tree.node->begin();
         m_threadActiveTime = root.active_time;
 
+        m_pProfilerThread = &root;
+
         m_timeUnits = EASY_GLOBALS.time_units;
         m_maxDurationStr = ::profiler_gui::timeStringReal(m_timeUnits, m_maxDuration, 3);
         m_minDurationStr = ::profiler_gui::timeStringReal(m_timeUnits, m_minDuration, 3);
@@ -818,6 +824,8 @@ void EasyHystogramItem::setSource(::profiler::thread_id_t _thread_id, ::profiler
             m_threadDuration = easyBlock(root.children.back()).tree.node->end() - easyBlock(root.children.front()).tree.node->begin();
         m_threadActiveTime = root.active_time;
 
+        m_pProfilerThread = &root;
+
         show();
         m_timeUnits = EASY_GLOBALS.time_units;
         m_bReady.store(false, ::std::memory_order_release);
@@ -902,6 +910,7 @@ void EasyHystogramItem::setSource(::profiler::thread_id_t _thread_id, ::profiler
     }
     else
     {
+        m_pProfilerThread = nullptr;
         m_threadName.clear();
         hide();
     }
diff --git a/profiler_gui/easy_graphics_scrollbar.h b/profiler_gui/easy_graphics_scrollbar.h
index f89e3b1..9eab867 100644
--- a/profiler_gui/easy_graphics_scrollbar.h
+++ b/profiler_gui/easy_graphics_scrollbar.h
@@ -147,6 +147,7 @@ class EasyHystogramItem : public QGraphicsItem
     ::profiler::timestamp_t          m_threadActiveTime;
     const ::profiler_gui::EasyItems*          m_pSource;
     QImage*                            m_temporaryImage;
+    const ::profiler::BlocksTreeRoot* m_pProfilerThread;
     ::profiler::thread_id_t                  m_threadId;
     ::profiler::block_index_t                 m_blockId;
     int                                      m_timeouts;
diff --git a/profiler_gui/tree_widget_loader.cpp b/profiler_gui/tree_widget_loader.cpp
index 390b417..83064ea 100644
--- a/profiler_gui/tree_widget_loader.cpp
+++ b/profiler_gui/tree_widget_loader.cpp
@@ -518,8 +518,9 @@ size_t FillTreeClass<T>::setTreeInternal(T& _safelocker, Items& _items, const ::
             const auto& per_parent_stats = child.per_parent_stats;
             const auto& per_frame_stats = child.per_frame_stats;
 
-            auto percentage = duration == 0 ? 0 : ::profiler_gui::percent(duration, _parent->duration());
-            auto percentage_sum = ::profiler_gui::percent(per_parent_stats->total_duration, _parent->duration());
+            auto parent_duration = _parent->duration();
+            auto percentage = duration == 0 ? 0 : ::profiler_gui::percent(duration, parent_duration);
+            auto percentage_sum = ::profiler_gui::percent(per_parent_stats->total_duration, parent_duration);
             item->setData(COL_PERCENT_PER_PARENT, Qt::UserRole, percentage);
             item->setText(COL_PERCENT_PER_PARENT, QString::number(percentage));
             item->setData(COL_PERCENT_SUM_PER_PARENT, Qt::UserRole, percentage_sum);
@@ -529,8 +530,9 @@ size_t FillTreeClass<T>::setTreeInternal(T& _safelocker, Items& _items, const ::
             {
                 if (_parent != _frame)
                 {
-                    percentage = duration == 0 ? 0 : ::profiler_gui::percent(duration, _frame->duration());
-                    percentage_sum = ::profiler_gui::percent(per_frame_stats->total_duration, _frame->duration());
+                    parent_duration = _frame->duration();
+                    percentage = duration == 0 ? 0 : ::profiler_gui::percent(duration, parent_duration);
+                    percentage_sum = ::profiler_gui::percent(per_frame_stats->total_duration, parent_duration);
                 }
 
                 item->setData(COL_PERCENT_PER_FRAME, Qt::UserRole, percentage);