Add child samples count getters.

server/TracyWorker.cpp

@@ -2003,6 +2003,16 @@ uint64_t Worker::GetContextSwitchPerCpuCount() const
     return cnt;
 }
 
+uint64_t Worker::GetChildSamplesCountFull() const
+{
+    uint64_t cnt = 0;
+    for( auto& v : m_data.childSamples )
+    {
+        cnt += v.second.size();
+    }
+    return cnt;
+}
+
 uint64_t Worker::GetPidFromTid( uint64_t tid ) const
 {
     auto it = m_data.tidToPid.find( tid );