--perf_instrument parameter now has int type and 0, 1, 2 modes (1 - simple trees, 2 - expanded trees for functions with same name but different calling address);

Maximum depth limit var was added to the instrumentation structure;

Trace names output console output fix: improper tree formatting could happen;
Output in case of error was added;

Custom regions improvements;

Improved timing and weight calculation for parallel regions; New TC (threads counter) value to indicate how many different threads accessed particular node;

parallel_for, warnings fixes and ReturnAddress code from Alexander Alekhin;

modules/core/src/stat.cpp

@@ -1597,7 +1597,7 @@ static bool ocl_meanStdDev( InputArray _src, OutputArray _mean, OutputArray _sdv
 
         size_t globalsize = groups * wgs;
 
-        if(!CV_INSTRUMENT_FUN_OPENCL_KERNEL(k.run, 1, &globalsize, &wgs, false))
+        if(!k.run(1, &globalsize, &wgs, false))
             return false;
 
         typedef Scalar (* part_sum)(Mat m);