ETW_BUFFER_CONTEXT structure (evntrace.h)

The ETW_BUFFER_CONTEXT structure provides context information about the event. An instance of the ETW_BUFFER_CONTEXT structure is included in the EVENT_RECORD and EVENT_TRACE structures.

Syntax

typedef struct _ETW_BUFFER_CONTEXT {
  union {
    struct {
      UCHAR ProcessorNumber;
      UCHAR Alignment;
    } DUMMYSTRUCTNAME;
    USHORT ProcessorIndex;
  } DUMMYUNIONNAME;
  USHORT LoggerId;
} ETW_BUFFER_CONTEXT, *PETW_BUFFER_CONTEXT;

Members

DUMMYUNIONNAME

DUMMYUNIONNAME.DUMMYSTRUCTNAME

DUMMYUNIONNAME.DUMMYSTRUCTNAME.ProcessorNumber

The number of the CPU on which the provider process was running. The number is zero on a single-processor computer.

DUMMYUNIONNAME.DUMMYSTRUCTNAME.Alignment

Alignment between events (always eight).

DUMMYUNIONNAME.ProcessorIndex

LoggerId

Identifier of the session that logged the event.

Requirements

See also

EVENT_RECORD

EVENT_TRACE