My VTune 2015 doesn't work when I choose "Overview" at "Analyze Processor Graphics Hardware Events". (work fine when choose "None". ) The log shows "The result you are opening is empty. This may be caused by an error during data collection. Try to re-run the analysis.", but also "Data collection is completed successfully." And the command window shows nothing like the application doesn't work successfully.
I use: windows 8.1 pro, vtune 2015, i7 4800mq
I successfully ran my workload with your settings. My workload can be downloaded here: https://software.intel.com/sites/default/files/managed/87/66/Sobel_OCL.zip (my article describing the workload could be found here: https://software.intel.com/en-us/INDE-OpenCL-Sobel)
If you are unable to analyze my workload, I suggest that you try to submit your question directly to Intel Vtune Amplifier XE forum:
If you are able to analyze my workload, try to examine your project more carefully. If you thing everything is OK with your project, Vtune forum above should be a better place to solve your problem.