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KernPerfSysTrace

From EDM2
Revision as of 23:01, 9 June 2017 by Martini (talk | contribs)

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.