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KernPerfSysTrace

From EDM2
Revision as of 21:28, 27 May 2025 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.