Avoid allocating large memory for m_gpu_times in no graphics

src/main.cpp

@@ -248,6 +248,7 @@
 #include "utils/leak_check.hpp"
 #include "utils/log.hpp"
 #include "utils/mini_glm.hpp"
+#include "utils/profiler.hpp"
 #include "utils/translation.hpp"
 
 static void cleanSuperTuxKart();
@@ -1879,6 +1880,9 @@ int main(int argc, char *argv[] )
             ServerConfig::m_wan_server = false;
             ServerConfig::m_validating_player = false;
         }
+
+        if (!ProfileWorld::isNoGraphics())
+            profiler.init();
         initRest();
 
         input_manager = new InputManager ();

src/utils/profiler.cpp

@@ -88,15 +88,7 @@ Profiler::Profiler()
     m_max_frames          = 20 * 120;
     m_current_frame       = 0;
     m_has_wrapped_around  = false;
-
-    const int MAX_THREADS = 10;
-    m_all_threads_data.resize(MAX_THREADS);
-    m_thread_mapping.resize(MAX_THREADS);
-    // Add this thread to the thread mapping
-    m_thread_mapping[0] = pthread_self();
     m_threads_used = 1;
-
-    m_gpu_times.resize(Q_LAST*m_max_frames);
 }   // Profile
 
 //-----------------------------------------------------------------------------
@@ -104,6 +96,21 @@ Profiler::~Profiler()
 {
 }   // ~Profiler
 
+//-----------------------------------------------------------------------------
+/** It is split from the constructor so that it can be avoided allocating
+ *  unnecessary memory when the profiler is never used (for example in no
+ *  graphics). */
+void Profiler::init()
+{
+    const int MAX_THREADS = 10;
+    m_all_threads_data.resize(MAX_THREADS);
+    m_thread_mapping.resize(MAX_THREADS);
+
+    // Add this thread to the thread mapping
+    m_thread_mapping[0] = pthread_self();
+    m_gpu_times.resize(Q_LAST * m_max_frames);
+}   // init
+
 //-----------------------------------------------------------------------------
 /** Returns a unique index for a thread. If the calling thread is not yet in
  *  the mapping, it will assign a new unique id to this thread. This function

src/utils/profiler.hpp

@@ -279,7 +279,7 @@ private:
 public:
              Profiler();
     virtual ~Profiler();
-
+    void     init();
     void     pushCPUMarker(const char* name="N/A",
                            const video::SColor& color=video::SColor());
     void     popCPUMarker();