33a5a666a4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4015 6f19259b-4bc3-4df7-8a09-765794883524
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/** @file
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If the Variable services have PcdVariableCollectStatistics set to TRUE then
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the EFI system table will contain statistical information about variable usage
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an this utility will print out the information. You can use console redirection
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to capture the data.
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiApplicationEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Guid/VariableInfo.h>
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/**
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The user Entry Point for Application. The user code starts with this function
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as the real entry point for the image goes into a library that calls this
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function.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval other Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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EFIAPI
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UefiMain (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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VARIABLE_INFO_ENTRY *VariableInfo;
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VARIABLE_INFO_ENTRY *Entry;
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Status = EfiGetSystemConfigurationTable (&gEfiVariableInfoGuid, (VOID **)&Entry);
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if (!EFI_ERROR (Status) && (Entry != NULL)) {
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Print (L"Non-Volatile EFI Variables:\n");
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VariableInfo = Entry;
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do {
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if (!VariableInfo->Volatile) {
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Print (
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L"%g R%03d(%03d) W%03d D%03d:%s\n",
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&VariableInfo->VendorGuid,
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VariableInfo->ReadCount,
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VariableInfo->CacheCount,
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VariableInfo->WriteCount,
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VariableInfo->DeleteCount,
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VariableInfo->Name
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);
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}
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VariableInfo = VariableInfo->Next;
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} while (VariableInfo != NULL);
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Print (L"Volatile EFI Variables:\n");
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VariableInfo = Entry;
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do {
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if (VariableInfo->Volatile) {
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Print (
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L"%g R%03d(%03d) W%03d D%03d:%s\n",
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&VariableInfo->VendorGuid,
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VariableInfo->ReadCount,
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VariableInfo->CacheCount,
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VariableInfo->WriteCount,
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VariableInfo->DeleteCount,
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VariableInfo->Name
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);
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}
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VariableInfo = VariableInfo->Next;
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} while (VariableInfo != NULL);
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}
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return EFI_SUCCESS;
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}
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