KernPerfSysTrace: Difference between revisions
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This is the equivalent of the DevHlp_Perftrace function used by PerfView. | |||
==Synopsis== | ==Synopsis== | ||
APIRET APIENTRY KernPerfSysTrace(ULONG major,ULONG minor,PVOID buf, ULONG size); | APIRET APIENTRY KernPerfSysTrace(ULONG major,ULONG minor,PVOID buf, ULONG size); | ||
==Parameters== | ==Parameters== | ||
Revision as of 23:01, 9 June 2017
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.