Core/Misc: Add PERFORMANCE_PROFILING CMake option

Add a new CMake option called PERFORMANCE_PROFILING that should be used only when profiling the performance.
This option is unsupported, do not report any issue happening when enabling this option.

cmake/showoptions.cmake

@@ -105,6 +105,13 @@ if ( HELGRIND )
   add_definitions(-DHELGRIND)
 endif()
 
+if ( PERFORMANCE_PROFILING )
+  message("")
+  message(" *** PERFORMANCE_PROFILING - WARNING!")
+  message(" *** Please note that this is for PERFORMANCE PROFILING only! Do NOT report any issue when enabling this configuration!")
+  add_definitions(-DPERFORMANCE_PROFILING)
+endif()
+
 if (BUILD_SHARED_LIBS)
   message("")
   message(" *** WITH_DYNAMIC_LINKING - INFO!")

src/common/Debugging/Errors.h

@@ -52,7 +52,12 @@ namespace Trinity
 #define WPWarning(cond, msg) ASSERT_BEGIN do { if (!(cond)) Trinity::Warning(__FILE__, __LINE__, __FUNCTION__, (msg)); } while(0) ASSERT_END
 #define WPAbort() ASSERT_BEGIN do { Trinity::Abort(__FILE__, __LINE__, __FUNCTION__); } while(0) ASSERT_END
 
+#ifdef PERFORMANCE_PROFILING
+#define ASSERT(cond, ...) ((void)0)
+#else
 #define ASSERT WPAssert
+#endif
+
 #define ABORT WPAbort
 
 template <typename T> inline T* ASSERT_NOTNULL(T* pointer)

src/common/Logging/Log.h

@@ -166,8 +166,10 @@ inline bool Log::ShouldLog(std::string const& type, LogLevel level) const
         } \
     }
 
-#if TRINITY_PLATFORM != TRINITY_PLATFORM_WINDOWS
-void check_args(const char*, ...) ATTR_PRINTF(1, 2);
+#ifdef PERFORMANCE_PROFILING
+#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...) ((void)0)
+#elif TRINITY_PLATFORM != TRINITY_PLATFORM_WINDOWS
+void check_args(char const*, ...) ATTR_PRINTF(1, 2);
 void check_args(std::string const&, ...);
 
 // This will catch format errors on build time

src/common/Metric/Metric.h

@@ -116,7 +116,10 @@ public:
 
 #define sMetric Metric::instance()
 
-#if TRINITY_PLATFORM != TRINITY_PLATFORM_WINDOWS
+#ifdef PERFORMANCE_PROFILING
+#define TC_METRIC_EVENT(category, title, description) ((void)0)
+#define TC_METRIC_VALUE(category, value) ((void)0)
+#elif TRINITY_PLATFORM != TRINITY_PLATFORM_WINDOWS
 #define TC_METRIC_EVENT(category, title, description)                    \
         do {                                                            \
             if (sMetric->IsEnabled())                              \