Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
#ifndef _NTWMI_H
//
// Maximum supported buffer size in KB - Win8 (16MB)
//
// N.B. Prior to Win8 the value was 1MB (1024KB).
#define MIN_ETW_BUFFER_SIZE 1 // in KBytes
#endif
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