VariableInfo.c File Reference

#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Guid/VariableFormat.h>
#include <Guid/SmmVariableCommon.h>
#include <Guid/PiSmmCommunicationRegionTable.h>
#include <Protocol/MmCommunication2.h>
#include <Protocol/SmmVariable.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	GetVariableStatisticsData (IN OUT EFI_MM_COMMUNICATE_HEADER *SmmCommunicateHeader, IN OUT UINTN *SmmCommunicateSize)
EFI_STATUS	PrintInfoFromSmm (VOID)
EFI_STATUS EFIAPI	UefiMain (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables
EFI_MM_COMMUNICATION2_PROTOCOL *	mMmCommunication2 = NULL

Detailed Description

If the Variable services have PcdVariableCollectStatistics set to TRUE then this utility will print out the statistics information. You can use console redirection to capture the data.

Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file VariableInfo.c.

Function Documentation

GetVariableStatisticsData()

EFI_STATUS EFIAPI GetVariableStatisticsData	(	IN OUT EFI_MM_COMMUNICATE_HEADER *	SmmCommunicateHeader,
		IN OUT UINTN *	SmmCommunicateSize
	)

This function get the variable statistics data from SMM variable driver.

Parameters

[in,out]	SmmCommunicateHeader	In input, a pointer to a collection of data that will be passed into an SMM environment. In output, a pointer to a collection of data that comes from an SMM environment.
[in,out]	SmmCommunicateSize	The size of the SmmCommunicateHeader.

Return values

EFI_SUCCESS	Get the statistics data information.
EFI_NOT_FOUND	Not found.
EFI_BUFFER_TO_SMALL	DataSize is too small for the result.

Definition at line 43 of file VariableInfo.c.

PrintInfoFromSmm()

EFI_STATUS PrintInfoFromSmm

(

VOID

)

This function get and print the variable statistics data from SMM variable driver.

Return values

EFI_SUCCESS	Print the statistics information successfully.
EFI_NOT_FOUND	Not found the statistics information.

Definition at line 78 of file VariableInfo.c.

UefiMain()

EFI_STATUS EFIAPI UefiMain	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

The user Entry Point for Application. The user code starts with this function as the real entry point for the image goes into a library that calls this function.

Parameters

[in]	ImageHandle	The firmware allocated handle for the EFI image.
[in]	SystemTable	A pointer to the EFI System Table.

Return values

EFI_SUCCESS	The entry point is executed successfully.
other	Some error occurs when executing this entry point.

Definition at line 213 of file VariableInfo.c.

Variable Documentation

mMmCommunication2

EFI_MM_COMMUNICATION2_PROTOCOL* mMmCommunication2 = NULL

Definition at line 26 of file VariableInfo.c.