void getProfilingInfo(const cl::Event &ev, cl_ulong* cmdStart, cl_ulong* cmdEnd, cl_ulong* cmdSubmit) { ev.getProfilingInfo(CL_PROFILING_COMMAND_START, cmdStart); ev.getProfilingInfo(CL_PROFILING_COMMAND_END, cmdEnd); if (cmdSubmit) ev.getProfilingInfo(CL_PROFILING_COMMAND_SUBMIT, cmdSubmit); }