SmmMpPerf.h File Reference

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Data Structures
struct	SMM_PERF_AP_PROCEDURE_PERFORMANCE

Macros
#define	SMM_MP_PERF_PROCEDURE_LIST(_)
#define	SMM_MP_PERF_PROCEDURE_ID(procedure)   SmmMpProcedureId ## procedure

Enumerations
enum

Functions
VOID	InitializeMpPerf (UINTN NumberofCpus)
VOID	MigrateMpPerf (UINTN NumberofCpus, UINTN BspIndex)
VOID	MpPerfBegin (IN UINTN CpuIndex, IN UINTN MpProcedureId)
VOID	MpPerfEnd (IN UINTN CpuIndex, IN UINTN MpProcedureId)

Detailed Description

SMM MP perf-logging implementation

Copyright (c) 2023, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmmMpPerf.h.

Macro Definition Documentation

SMM_MP_PERF_PROCEDURE_ID

#define SMM_MP_PERF_PROCEDURE_ID

(

procedure

)

SmmMpProcedureId ## procedure

Definition at line 27 of file SmmMpPerf.h.

SMM_MP_PERF_PROCEDURE_LIST

#define SMM_MP_PERF_PROCEDURE_LIST

(

_

)

Value:

  _(InitializeSmm), \
  _(SmmRendezvousEntry), \
  _(PlatformValidSmi), \
  _(SmmRendezvousExit), \
  _(SmmMpProcedureMax)

Definition at line 16 of file SmmMpPerf.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Definition at line 28 of file SmmMpPerf.h.

Function Documentation

InitializeMpPerf()

VOID InitializeMpPerf

(

UINTN

NumberofCpus

)

Initialize the perf-logging feature for APs.

Parameters

NumberofCpus

Number of processors in the platform.

Definition at line 29 of file SmmMpPerf.c.

MigrateMpPerf()

VOID MigrateMpPerf	(	UINTN	NumberofCpus,
		UINTN	BspIndex
	)

Migrate MP performance data to standardized performance database.

Parameters

NumberofCpus	Number of processors in the platform.
BspIndex	The index of the BSP.

Definition at line 44 of file SmmMpPerf.c.

MpPerfBegin()

VOID MpPerfBegin	(	IN UINTN	CpuIndex,
		IN UINTN	MpProcedureId
	)

Save the performance counter value before running the MP procedure.

Parameters

CpuIndex	The index of the CPU.
MpProcedureId	The ID of the MP procedure.

Definition at line 78 of file SmmMpPerf.c.

MpPerfEnd()

VOID MpPerfEnd	(	IN UINTN	CpuIndex,
		IN UINTN	MpProcedureId
	)

Save the performance counter value after running the MP procedure.

Parameters

CpuIndex	The index of the CPU.
MpProcedureId	The ID of the MP procedure.

Definition at line 93 of file SmmMpPerf.c.