mirror of https://github.com/acidanthera/audk.git
Code scrub performance library instances in MdeModulePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7037 6f19259b-4bc3-4df7-8a09-765794883524
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qhuang8
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@ -1,5 +1,14 @@
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/** @file
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Support for measurement of DXE performance
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Performance library instance mainly used by DxeCore.
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This library provides the performance measurement interfaces and initializes performance
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logging for DXE phase. It first initializes its private global data structure for
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performance logging and saves the performance GUIDed HOB passed from PEI phase.
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It initializes DXE phase performance logging by publishing the Performance Protocol,
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which is consumed by DxePerformanceLib to logging performance data in DXE phase.
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This library is mainly used by DxeCore to start performance logging to ensure that
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Performance Protocol is installed at the very beginning of DXE phase.
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials
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@ -17,12 +26,25 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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// Definition for global variables.
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// The data structure to hold global performance data.
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//
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GAUGE_DATA_HEADER *mGaugeData;
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//
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// The current maximum number of logging entries. If current number of
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// entries exceeds this value, it will re-allocate a larger array and
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// migration the old data to the larger array.
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//
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UINT32 mMaxGaugeRecords;
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//
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// The handle to install Performance Protocol instance.
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//
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EFI_HANDLE mHandle = NULL;
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//
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// Interfaces for performance protocol.
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//
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PERFORMANCE_PROTOCOL mPerformanceInterface = {
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StartGauge,
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EndGauge,
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@ -122,7 +144,7 @@ StartGauge (
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Index = mGaugeData->NumberOfEntries;
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if (Index >= mMaxGaugeRecords) {
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//
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// Try to enlarge the scale of gauge arrary.
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// Try to enlarge the scale of gauge array.
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//
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OldGaugeData = mGaugeData;
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OldGaugeDataSize = sizeof (GAUGE_DATA_HEADER) + sizeof (GAUGE_DATA_ENTRY) * mMaxGaugeRecords;
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@ -135,7 +157,7 @@ StartGauge (
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return EFI_OUT_OF_RESOURCES;
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}
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//
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// Initialize new data arry and migrate old data one.
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// Initialize new data array and migrate old data one.
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//
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mGaugeData = CopyMem (mGaugeData, OldGaugeData, OldGaugeDataSize);
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@ -224,7 +246,7 @@ EndGauge (
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@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
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if the retrieval is successful.
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@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
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@retval EFI_SUCCESS The GuageDataEntry is successfully found based on LogEntryKey.
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@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
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@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
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@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
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@ -450,7 +472,7 @@ EndPerformanceMeasurement (
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@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
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0, then the first performance measurement log entry is retrieved.
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On exit, the key of the next performance lof entry entry.
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On exit, the key of the next performance log entry.
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@param Handle Pointer to environment specific context used to identify the component
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being measured.
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@param Token Pointer to a Null-terminated ASCII string that identifies the component
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@ -1,8 +1,13 @@
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#/** @file
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# Performance library instance mainly for DxeCore usage.
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#
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# Component description file for DxeCore Performance Library
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#
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# This library provides intrastructure for DxeCore to log performance.
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# This library provides the performance measurement interfaces and initializes performance
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# logging for DXE phase. It first initializes its private global data structure for
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# performance logging and saves the performance GUIDed HOB passed from PEI phase.
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# It initializes DXE phase performance logging by publishing the Performance Protocol,
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# which is consumed by DxePerformanceLib to logging performance data in DXE phase.
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# This library is mainly used by DxeCore to start performance logging to ensure that
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# Performance Protocol is installed at the very beginning of DXE phase.
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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# All rights reserved. This program and the accompanying materials
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@ -1,5 +1,8 @@
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/** @file
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Module functions' declarations are included here.
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Master header files for DxeCorePerformanceLib instance.
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This header file holds the prototypes of the Performance Protocol published by this
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library instance at its constructor.
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials
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@ -111,7 +114,7 @@ EndGauge (
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@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
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if the retrieval is successful.
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@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
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@retval EFI_SUCCESS The GuageDataEntry is successfully found based on LogEntryKey.
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@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
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@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
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@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
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@ -1,7 +1,12 @@
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/** @file
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Performance Library
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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This library instance provides infrastructure for DXE phase drivers to log performance
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data. It consumes Performance Protocol published by DxeCorePerformanceLib
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to log performance data. If Performance Protocol is not available, it does not log any
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performance information.
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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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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@ -22,6 +27,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/PcdLib.h>
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//
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// The cached performance protocol interface.
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//
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PERFORMANCE_PROTOCOL *mPerformance = NULL;
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/**
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@ -165,7 +173,7 @@ EndPerformanceMeasurement (
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@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
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0, then the first performance measurement log entry is retrieved.
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On exit, the key of the next performance lof entry entry.
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On exit, the key of the next performance log entry.
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@param Handle Pointer to environment specific context used to identify the component
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being measured.
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@param Token Pointer to a Null-terminated ASCII string that identifies the component
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@ -1,8 +1,10 @@
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#/** @file
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# Performance library instance used in DXE phase.
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#
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# Component description file for Dxe Performance Library
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#
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# This library provides intrastructure for Dxe driver to log performance.
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# This library instance provides infrastructure for DXE phase drivers to log performance
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# data. It consumes Performance Protocol published by DxeCorePerformanceLib
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# to log performance data. If Performance Protocol is not available, it does not log any
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# performance information.
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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# All rights reserved. This program and the accompanying materials
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@ -45,7 +47,7 @@
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[Protocols]
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gPerformanceProtocolGuid # PROTOCOL ALWAYS_CONSUMED
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gPerformanceProtocolGuid
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[Pcd.common]
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@ -1,5 +1,10 @@
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/** @file
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Performance Library
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Performance library instance used in PEI phase.
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This file implements all APIs in Performance Library class in MdePkg. It creates
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performance logging GUIDed HOB on the first performance logging and then logs the
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performance data to the GUIDed HOB. Due to the limitation of temporary RAM, the maximum
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number of performance logging entry is specified by PcdMaxPeiPerformanceLogEntries.
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials
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@ -1,9 +1,10 @@
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#/** @file
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#
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# Memory-only library functions with no library constructor/destructor
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# Performance library instance used in PEI phase.
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#
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# This module provides the performance measurement interfaces in PEI phase, it is
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# one instance of Performance Libarary.
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# This library provides the performance measurement interfaces in PEI phase, it creates
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# and consumes GUIDed HOB for performance logging. The GUIDed HOB is passed to DXE phase
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# so that it can be taken over by DxeCorePerformanceLib.
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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# All rights reserved. This program and the accompanying materials
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@ -49,7 +50,7 @@
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[Guids]
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gPeiPerformanceHobGuid # SOMETIMES_CONSUMED
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gPeiPerformanceHobGuid
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[Pcd.common]
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxPeiPerformanceLogEntries
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