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/** @file
If the Variable services have PcdVariableCollectStatistics set to TRUE then
the EFI system table will contain statistical information about variable usage
an this utility will print out the information. You can use console redirection
to capture the data.
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Guid/VariableFormat.h>
/**
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.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
UefiMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
VARIABLE_INFO_ENTRY *VariableInfo;
VARIABLE_INFO_ENTRY *Entry;
Status = EfiGetSystemConfigurationTable (&gEfiVariableGuid, (VOID **)&Entry);
if (!EFI_ERROR (Status) && (Entry != NULL)) {
Print (L"Non-Volatile EFI Variables:\n");
VariableInfo = Entry;
do {
if (!VariableInfo->Volatile) {
Print (
L"%g R%03d(%03d) W%03d D%03d:%s\n",
&VariableInfo->VendorGuid,
VariableInfo->ReadCount,
VariableInfo->CacheCount,
VariableInfo->WriteCount,
VariableInfo->DeleteCount,
VariableInfo->Name
);
}
VariableInfo = VariableInfo->Next;
} while (VariableInfo != NULL);
Print (L"Volatile EFI Variables:\n");
VariableInfo = Entry;
do {
if (VariableInfo->Volatile) {
Print (
L"%g R%03d(%03d) W%03d D%03d:%s\n",
&VariableInfo->VendorGuid,
VariableInfo->ReadCount,
VariableInfo->CacheCount,
VariableInfo->WriteCount,
VariableInfo->DeleteCount,
VariableInfo->Name
);
}
VariableInfo = VariableInfo->Next;
} while (VariableInfo != NULL);
}
return Status;
}
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