KernPerfSysTrace

This is the equivalent of the DevHlp_Perftrace function used by PerfView.

Synopsis
APIRET APIENTRY KernPerfSysTrace(ULONG major,ULONG minor,PVOID buf, ULONG size);

Parameters

 * major:Major number of Perf event
 * minor:Minor number of Perf event
 * buf:buffer to be added to the Perf log
 * size:size of the buffer

Comments
Warning: The buffer is assumed to be allocated on the task stack, not as a global variable or a VMAlloc'd memory area.