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Import DxeCorePerformanceLib DxePerformanceLib PeiPerformanceLib and EdkDxePrintLib

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2995 6f19259b-4bc3-4df7-8a09-765794883524
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vanjeff
2007-07-03 08:33:07 +00:00
parent 80408db0ca
commit a0afd01937
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MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c Normal file
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/*++
Copyright (c) 2006, 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.
Module Name:
DxeCorePerformance.c
Abstract:
Support for measurement of DXE performance
--*/
//
// The package level header files this module uses
//
#include <PiDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/Performance.h>
#include <Guid/PeiPerformanceHob.h>
//
// The Library classes this module consumes
//
#include <Library/PerformanceLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
//
// Interface declarations for Performance Protocol.
//
/**
Adds a record at the end of the performance measurement log
that records the start time of a performance measurement.
Adds a record to the end of the performance measurement log
that contains the Handle, Token, and Module.
The end time of the new record must be set to zero.
If TimeStamp is not zero, then TimeStamp is used to fill in the start time in the record.
If TimeStamp is zero, the start time in the record is filled in with the value
read from the current time stamp.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
STATIC
EFI_STATUS
EFIAPI
StartGauge (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
);
/**
Searches the performance measurement log from the beginning of the log
for the first matching record that contains a zero end time and fills in a valid end time.
Searches the performance measurement log from the beginning of the log
for the first record that matches Handle, Token, and Module and has an end time value of zero.
If the record can not be found then return EFI_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then the end time in the record is filled in with the value specified by TimeStamp.
If the record is found and TimeStamp is zero, then the end time in the matching record
is filled in with the current time stamp value.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval EFI_SUCCESS The end of the measurement was recorded.
@retval EFI_NOT_FOUND The specified measurement record could not be found.
**/
STATIC
EFI_STATUS
EFIAPI
EndGauge (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
);
/**
Retrieves a previously logged performance measurement.
Retrieves the performance log entry from the performance log specified by LogEntryKey.
If it stands for a valid entry, then EFI_SUCCESS is returned and
GaugeDataEntry stores the pointer to that entry.
@param LogEntryKey The key for the previous performance measurement log entry.
If 0, then the first performance measurement log entry is retrieved.
@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
if the retrieval is successful.
@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
**/
STATIC
EFI_STATUS
EFIAPI
GetGauge (
IN UINTN LogEntryKey,
OUT GAUGE_DATA_ENTRY **GaugeDataEntry
);
//
// Definition for global variables.
//
STATIC GAUGE_DATA_HEADER *mGaugeData;
STATIC UINT32 mMaxGaugeRecords;
EFI_HANDLE mHandle = NULL;
PERFORMANCE_PROTOCOL mPerformanceInterface = {
StartGauge,
EndGauge,
GetGauge
};
/**
Searches in the gauge array with keyword Handle, Token and Module.
This internal function searches for the gauge entry in the gauge array.
If there is an entry that exactly matches the given key word triple
and its end time stamp is zero, then the index of that gauge entry is returned;
otherwise, the the number of gauge entries in the array is returned.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@retval The index of gauge entry in the array.
**/
STATIC
UINT32
InternalSearchForGaugeEntry (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module OPTIONAL
)
{
UINT32 Index;
UINT32 NumberOfEntries;
GAUGE_DATA_ENTRY *GaugeEntryArray;
if (Token == NULL) {
Token = "";
}
if (Module == NULL) {
Module = "";
}
NumberOfEntries = mGaugeData->NumberOfEntries;
GaugeEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
for (Index = 0; Index < NumberOfEntries; Index++) {
if ((GaugeEntryArray[Index].Handle == (EFI_PHYSICAL_ADDRESS) (UINTN) Handle) &&
AsciiStrnCmp (GaugeEntryArray[Index].Token, Token, PEI_PERFORMANCE_STRING_LENGTH) == 0 &&
AsciiStrnCmp (GaugeEntryArray[Index].Module, Module, PEI_PERFORMANCE_STRING_LENGTH) == 0 &&
GaugeEntryArray[Index].EndTimeStamp == 0
) {
break;
}
}
return Index;
}
/**
Adds a record at the end of the performance measurement log
that records the start time of a performance measurement.
Adds a record to the end of the performance measurement log
that contains the Handle, Token, and Module.
The end time of the new record must be set to zero.
If TimeStamp is not zero, then TimeStamp is used to fill in the start time in the record.
If TimeStamp is zero, the start time in the record is filled in with the value
read from the current time stamp.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
STATIC
EFI_STATUS
EFIAPI
StartGauge (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
GAUGE_DATA_ENTRY *GaugeEntryArray;
UINTN GaugeDataSize;
UINTN OldGaugeDataSize;
GAUGE_DATA_HEADER *OldGaugeData;
UINT32 Index;
Index = mGaugeData->NumberOfEntries;
if (Index >= mMaxGaugeRecords) {
//
// Try to enlarge the scale of gauge arrary.
//
OldGaugeData = mGaugeData;
OldGaugeDataSize = sizeof (GAUGE_DATA_HEADER) + sizeof (GAUGE_DATA_ENTRY) * mMaxGaugeRecords;
mMaxGaugeRecords *= 2;
GaugeDataSize = sizeof (GAUGE_DATA_HEADER) + sizeof (GAUGE_DATA_ENTRY) * mMaxGaugeRecords;
mGaugeData = AllocateZeroPool (GaugeDataSize);
if (mGaugeData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize new data arry and migrate old data one.
//
mGaugeData = CopyMem (mGaugeData, OldGaugeData, OldGaugeDataSize);
FreePool (OldGaugeData);
}
GaugeEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
GaugeEntryArray[Index].Handle = (EFI_PHYSICAL_ADDRESS) (UINTN) Handle;
if (Token != NULL) {
AsciiStrnCpy (GaugeEntryArray[Index].Token, Token, DXE_PERFORMANCE_STRING_LENGTH);
}
if (Module != NULL) {
AsciiStrnCpy (GaugeEntryArray[Index].Module, Module, DXE_PERFORMANCE_STRING_LENGTH);
}
if (TimeStamp == 0) {
TimeStamp = GetPerformanceCounter ();
}
GaugeEntryArray[Index].StartTimeStamp = TimeStamp;
mGaugeData->NumberOfEntries++;
return EFI_SUCCESS;
}
/**
Searches the performance measurement log from the beginning of the log
for the first matching record that contains a zero end time and fills in a valid end time.
Searches the performance measurement log from the beginning of the log
for the first record that matches Handle, Token, and Module and has an end time value of zero.
If the record can not be found then return EFI_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then the end time in the record is filled in with the value specified by TimeStamp.
If the record is found and TimeStamp is zero, then the end time in the matching record
is filled in with the current time stamp value.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval EFI_SUCCESS The end of the measurement was recorded.
@retval EFI_NOT_FOUND The specified measurement record could not be found.
**/
STATIC
EFI_STATUS
EFIAPI
EndGauge (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
GAUGE_DATA_ENTRY *GaugeEntryArray;
UINT32 Index;
if (TimeStamp == 0) {
TimeStamp = GetPerformanceCounter ();
}
Index = InternalSearchForGaugeEntry (Handle, Token, Module);
if (Index >= mGaugeData->NumberOfEntries) {
return EFI_NOT_FOUND;
}
GaugeEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
GaugeEntryArray[Index].EndTimeStamp = TimeStamp;
return EFI_SUCCESS;
}
/**
Retrieves a previously logged performance measurement.
Retrieves the performance log entry from the performance log specified by LogEntryKey.
If it stands for a valid entry, then EFI_SUCCESS is returned and
GaugeDataEntry stores the pointer to that entry.
@param LogEntryKey The key for the previous performance measurement log entry.
If 0, then the first performance measurement log entry is retrieved.
@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
if the retrieval is successful.
@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
**/
STATIC
EFI_STATUS
EFIAPI
GetGauge (
IN UINTN LogEntryKey,
OUT GAUGE_DATA_ENTRY **GaugeDataEntry
)
{
UINTN NumberOfEntries;
GAUGE_DATA_ENTRY *LogEntryArray;
NumberOfEntries = (UINTN) (mGaugeData->NumberOfEntries);
if (LogEntryKey > NumberOfEntries) {
return EFI_INVALID_PARAMETER;
}
if (LogEntryKey == NumberOfEntries) {
return EFI_NOT_FOUND;
}
LogEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
if (GaugeDataEntry == NULL) {
return EFI_INVALID_PARAMETER;
}
*GaugeDataEntry = &LogEntryArray[LogEntryKey];
return EFI_SUCCESS;
}
/**
Dumps all the PEI performance log to DXE performance gauge array.
This internal function dumps all the PEI performance log to the DXE performance gauge array.
It retrieves the optional GUID HOB for PEI performance and then saves the performance data
to DXE performance data structures.
**/
STATIC
VOID
InternalGetPeiPerformance (
VOID
)
{
EFI_HOB_GUID_TYPE *GuidHob;
PEI_PERFORMANCE_LOG_HEADER *LogHob;
PEI_PERFORMANCE_LOG_ENTRY *LogEntryArray;
GAUGE_DATA_ENTRY *GaugeEntryArray;
UINT32 Index;
UINT32 NumberOfEntries;
NumberOfEntries = 0;
GaugeEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
//
// Dump PEI Log Entries to DXE Guage Data structure.
//
GuidHob = GetFirstGuidHob (&gPeiPerformanceHobGuid);
if (GuidHob != NULL) {
LogHob = GET_GUID_HOB_DATA (GuidHob);
LogEntryArray = (PEI_PERFORMANCE_LOG_ENTRY *) (LogHob + 1);
GaugeEntryArray = (GAUGE_DATA_ENTRY *) (mGaugeData + 1);
NumberOfEntries = LogHob->NumberOfEntries;
for (Index = 0; Index < NumberOfEntries; Index++) {
GaugeEntryArray[Index].Handle = LogEntryArray[Index].Handle;
AsciiStrnCpy (GaugeEntryArray[Index].Token, LogEntryArray[Index].Token, DXE_PERFORMANCE_STRING_LENGTH);
AsciiStrnCpy (GaugeEntryArray[Index].Module, LogEntryArray[Index].Module, DXE_PERFORMANCE_STRING_LENGTH);
GaugeEntryArray[Index].StartTimeStamp = LogEntryArray[Index].StartTimeStamp;
GaugeEntryArray[Index].EndTimeStamp = LogEntryArray[Index].EndTimeStamp;
}
}
mGaugeData->NumberOfEntries = NumberOfEntries;
}
/**
The constructor function initializes Performance infrastructure for DXE phase.
The constructor function publishes Performance protocol, allocates memory to log DXE performance
and merges PEI performance data to DXE performance log.
It will ASSERT() if one of these operations fails and it will always return EFI_SUCCESS.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
DxeCorePerformanceLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
if (!PerformanceMeasurementEnabled ()) {
//
// Do not initialize performance infrastructure if not required.
//
return EFI_SUCCESS;
}
//
// Install the protocol interfaces.
//
Status = gBS->InstallProtocolInterface (
&mHandle,
&gPerformanceProtocolGuid,
EFI_NATIVE_INTERFACE,
&mPerformanceInterface
);
ASSERT_EFI_ERROR (Status);
mMaxGaugeRecords = INIT_DXE_GAUGE_DATA_ENTRIES + PcdGet8 (PcdMaxPeiPerformanceLogEntries);
mGaugeData = AllocateZeroPool (sizeof (GAUGE_DATA_HEADER) + (sizeof (GAUGE_DATA_ENTRY) * mMaxGaugeRecords));
ASSERT (mGaugeData != NULL);
InternalGetPeiPerformance ();
return Status;
}
/**
Adds a record at the end of the performance measurement log
that records the start time of a performance measurement.
Adds a record to the end of the performance measurement log
that contains the Handle, Token, and Module.
The end time of the new record must be set to zero.
If TimeStamp is not zero, then TimeStamp is used to fill in the start time in the record.
If TimeStamp is zero, the start time in the record is filled in with the value
read from the current time stamp.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The start of the measurement was recorded.
@retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
RETURN_STATUS
EFIAPI
StartPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
EFI_STATUS Status;
Status = StartGauge (Handle, Token, Module, TimeStamp);
return (RETURN_STATUS) Status;
}
/**
Searches the performance measurement log from the beginning of the log
for the first matching record that contains a zero end time and fills in a valid end time.
Searches the performance measurement log from the beginning of the log
for the first record that matches Handle, Token, and Module and has an end time value of zero.
If the record can not be found then return RETURN_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then the end time in the record is filled in with the value specified by TimeStamp.
If the record is found and TimeStamp is zero, then the end time in the matching record
is filled in with the current time stamp value.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The end of the measurement was recorded.
@retval RETURN_NOT_FOUND The specified measurement record could not be found.
**/
RETURN_STATUS
EFIAPI
EndPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
EFI_STATUS Status;
Status = EndGauge (Handle, Token, Module, TimeStamp);
return (RETURN_STATUS) Status;
}
/**
Attempts to retrieve a performance measurement log entry from the performance measurement log.
Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is
zero on entry, then an attempt is made to retrieve the first entry from the performance log,
and the key for the second entry in the log is returned. If the performance log is empty,
then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance
log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is
returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is
retrieved and an implementation specific non-zero key value that specifies the end of the performance
log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry
is retrieved and zero is returned. In the cases where a performance log entry can be returned,
the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.
If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().
If Handle is NULL, then ASSERT().
If Token is NULL, then ASSERT().
If Module is NULL, then ASSERT().
If StartTimeStamp is NULL, then ASSERT().
If EndTimeStamp is NULL, then ASSERT().
@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
0, then the first performance measurement log entry is retrieved.
On exit, the key of the next performance lof entry entry.
@param Handle Pointer to environment specific context used to identify the component
being measured.
@param Token Pointer to a Null-terminated ASCII string that identifies the component
being measured.
@param Module Pointer to a Null-terminated ASCII string that identifies the module
being measured.
@param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was started.
@param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was ended.
@return The key for the next performance log entry (in general case).
**/
UINTN
EFIAPI
GetPerformanceMeasurement (
IN UINTN LogEntryKey,
OUT CONST VOID **Handle,
OUT CONST CHAR8 **Token,
OUT CONST CHAR8 **Module,
OUT UINT64 *StartTimeStamp,
OUT UINT64 *EndTimeStamp
)
{
EFI_STATUS Status;
GAUGE_DATA_ENTRY *GaugeData;
ASSERT (Handle != NULL);
ASSERT (Token != NULL);
ASSERT (Module != NULL);
ASSERT (StartTimeStamp != NULL);
ASSERT (EndTimeStamp != NULL);
Status = GetGauge (LogEntryKey++, &GaugeData);
//
// Make sure that LogEntryKey is a valid log entry key,
//
ASSERT (Status != EFI_INVALID_PARAMETER);
if (EFI_ERROR (Status)) {
//
// The LogEntryKey is the last entry (equals to the total entry number).
//
return 0;
}
ASSERT (GaugeData != NULL);
*Handle = (VOID *) (UINTN) GaugeData->Handle;
*Token = GaugeData->Token;
*Module = GaugeData->Module;
*StartTimeStamp = GaugeData->StartTimeStamp;
*EndTimeStamp = GaugeData->EndTimeStamp;
return LogEntryKey;
}
/**
Returns TRUE if the performance measurement macros are enabled.
This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.
@retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set.
@retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is clear.
**/
BOOLEAN
EFIAPI
PerformanceMeasurementEnabled (
VOID
)
{
return (BOOLEAN) ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);
}

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MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.inf Normal file
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#/** @file
# Component description file for DxeCore Performance Library
#
# This library provides intrastructure for DxeCore to log performance.
# Copyright (c) 2006, 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.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = DxeCorePerformanceLib
FILE_GUID = D0F78BBF-0A30-4c63-8A48-0F618A4AFACD
MODULE_TYPE = DXE_CORE
VERSION_STRING = 1.0
LIBRARY_CLASS = PerformanceLib|DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
CONSTRUCTOR = DxeCorePerformanceLibConstructor
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
DxeCorePerformanceLib.c
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
MemoryAllocationLib
UefiBootServicesTableLib
PcdLib
TimerLib
BaseMemoryLib
BaseLib
HobLib
DebugLib
################################################################################
#
# Guid C Name Section - list of Guids that this module uses or produces.
#
################################################################################
[Guids]
gPeiPerformanceHobGuid # ALWAYS_CONSUMED
################################################################################
#
# Protocol C Name Section - list of Protocol and Protocol Notify C Names
# that this module uses or produces.
#
################################################################################
[Protocols]
gPerformanceProtocolGuid # PROTOCOL ALWAYS_PRODUCED
################################################################################
#
# Pcd FIXED_AT_BUILD - list of PCDs that this module is coded for.
#
################################################################################
[PcdsFixedAtBuild.common]
PcdPerformanceLibraryPropertyMask|gEfiMdePkgTokenSpaceGuid
################################################################################
#
# Pcd DYNAMIC - list of PCDs that this module is coded for.
#
################################################################################
[PcdsDynamic.common]
PcdMaxPeiPerformanceLogEntries|gEfiEdkModulePkgTokenSpaceGuid

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MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>DxeCorePerformanceLib</ModuleName>
<ModuleType>DXE_CORE</ModuleType>
<GuidValue>D0F78BBF-0A30-4c63-8A48-0F618A4AFACD</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for DxeCore Performance Library</Abstract>
<Description>This library provides intrastructure for DxeCore to log performance.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>DxeCorePerformanceLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER">
<Keyword>PerformanceLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>TimerLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PcdLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>MemoryAllocationLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>DxeCorePerformanceLib.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_PRODUCED">
<ProtocolCName>gPerformanceProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Guids>
<GuidCNames Usage="ALWAYS_CONSUMED">
<GuidCName>gPeiPerformanceHobGuid</GuidCName>
</GuidCNames>
</Guids>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<Constructor>DxeCorePerformanceLibConstructor</Constructor>
</Extern>
</Externs>
<PcdCoded>
<PcdEntry PcdItemType="FIXED_AT_BUILD">
<C_Name>PcdPerformanceLibraryPropertyMask</C_Name>
<TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>The bitmask of flags that specify the enable/disable of
Performance Measurement.</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC">
<C_Name>PcdMaxPeiPerformanceLogEntries</C_Name>
<TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>Maximun number of performance log entries during PEI phase.</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>

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/*++
Copyright (c) 2006, 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.
Module Name:
DxePerformanceLib.c
Abstract:
Performance Library
--*/
//
// The package level header files this module uses
//
#include <PiDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/Performance.h>
//
// The Library classes this module consumes
//
#include <Library/PerformanceLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
STATIC PERFORMANCE_PROTOCOL *mPerformance = NULL;
/**
The constructor function caches the pointer to Performance protocol.
The constructor function locates Performance protocol from protocol database.
It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
@retval EFI_SUCCESS Performance protocol is successfully located.
@retval Other Performance protocol is not located to log performance.
**/
STATIC
EFI_STATUS
GetPerformanceProtocol (
VOID
)
{
EFI_STATUS Status;
PERFORMANCE_PROTOCOL *Performance;
if (mPerformance != NULL) {
return EFI_SUCCESS;
}
Status = gBS->LocateProtocol (&gPerformanceProtocolGuid, NULL, (VOID **) &Performance);
if (!EFI_ERROR (Status)) {
ASSERT (Performance != NULL);
//
// Cache performance protocol.
//
mPerformance = Performance;
}
return Status;
}
/**
Creates a record for the beginning of a performance measurement.
Creates a record that contains the Handle, Token, and Module.
If TimeStamp is not zero, then TimeStamp is added to the record as the start time.
If TimeStamp is zero, then this function reads the current time stamp
and adds that time stamp value to the record as the start time.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The start of the measurement was recorded.
@retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
RETURN_STATUS
EFIAPI
StartPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
EFI_STATUS Status;
Status = GetPerformanceProtocol ();
if (EFI_ERROR (Status)) {
return RETURN_OUT_OF_RESOURCES;
}
Status = mPerformance->StartGauge (Handle, Token, Module, TimeStamp);
return (RETURN_STATUS) Status;
}
/**
Fills in the end time of a performance measurement.
Looks up the record that matches Handle, Token, and Module.
If the record can not be found then return RETURN_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then TimeStamp is added to the record as the end time.
If the record is found and TimeStamp is zero, then this function reads
the current time stamp and adds that time stamp value to the record as the end time.
If this function is called multiple times for the same record, then the end time is overwritten.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The end of the measurement was recorded.
@retval RETURN_NOT_FOUND The specified measurement record could not be found.
**/
RETURN_STATUS
EFIAPI
EndPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
EFI_STATUS Status;
Status = GetPerformanceProtocol ();
if (EFI_ERROR (Status)) {
return RETURN_NOT_FOUND;
}
Status = mPerformance->EndGauge (Handle, Token, Module, TimeStamp);
return (RETURN_STATUS) Status;
}
/**
Attempts to retrieve a performance measurement log entry from the performance measurement log.
Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is
zero on entry, then an attempt is made to retrieve the first entry from the performance log,
and the key for the second entry in the log is returned. If the performance log is empty,
then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance
log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is
returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is
retrieved and an implementation specific non-zero key value that specifies the end of the performance
log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry
is retrieved and zero is returned. In the cases where a performance log entry can be returned,
the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.
If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().
If Handle is NULL, then ASSERT().
If Token is NULL, then ASSERT().
If Module is NULL, then ASSERT().
If StartTimeStamp is NULL, then ASSERT().
If EndTimeStamp is NULL, then ASSERT().
@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
0, then the first performance measurement log entry is retrieved.
On exit, the key of the next performance lof entry entry.
@param Handle Pointer to environment specific context used to identify the component
being measured.
@param Token Pointer to a Null-terminated ASCII string that identifies the component
being measured.
@param Module Pointer to a Null-terminated ASCII string that identifies the module
being measured.
@param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was started.
@param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was ended.
@return The key for the next performance log entry (in general case).
**/
UINTN
EFIAPI
GetPerformanceMeasurement (
IN UINTN LogEntryKey,
OUT CONST VOID **Handle,
OUT CONST CHAR8 **Token,
OUT CONST CHAR8 **Module,
OUT UINT64 *StartTimeStamp,
OUT UINT64 *EndTimeStamp
)
{
EFI_STATUS Status;
GAUGE_DATA_ENTRY *GaugeData;
ASSERT (Handle != NULL);
ASSERT (Token != NULL);
ASSERT (Module != NULL);
ASSERT (StartTimeStamp != NULL);
ASSERT (EndTimeStamp != NULL);
Status = GetPerformanceProtocol ();
if (EFI_ERROR (Status)) {
return 0;
}
Status = mPerformance->GetGauge (LogEntryKey++, &GaugeData);
//
// Make sure that LogEntryKey is a valid log entry key,
//
ASSERT (Status != EFI_INVALID_PARAMETER);
if (EFI_ERROR (Status)) {
//
// The LogEntryKey is the last entry (equals to the total entry number).
//
return 0;
}
ASSERT (GaugeData != NULL);
*Handle = (VOID *) (UINTN) GaugeData->Handle;
*Token = GaugeData->Token;
*Module = GaugeData->Module;
*StartTimeStamp = GaugeData->StartTimeStamp;
*EndTimeStamp = GaugeData->EndTimeStamp;
return LogEntryKey;
}
/**
Returns TRUE if the performance measurement macros are enabled.
This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.
@retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set.
@retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is clear.
**/
BOOLEAN
EFIAPI
PerformanceMeasurementEnabled (
VOID
)
{
return (BOOLEAN) ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);
}

93
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#/** @file
# Component description file for Dxe Performance Library
#
# This library provides intrastructure for Dxe driver to log performance.
# 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.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = DxePerformanceLib
FILE_GUID = 8B8B4CCC-65FC-41a5-8067-308B8E42CCF2
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
LIBRARY_CLASS = PerformanceLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
DxePerformanceLib.c
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
PcdLib
UefiBootServicesTableLib
DebugLib
################################################################################
#
# Protocol C Name Section - list of Protocol and Protocol Notify C Names
# that this module uses or produces.
#
################################################################################
[Protocols]
gPerformanceProtocolGuid # PROTOCOL ALWAYS_CONSUMED
################################################################################
#
# Pcd FIXED_AT_BUILD - list of PCDs that this module is coded for.
#
################################################################################
[PcdsFixedAtBuild.common]
PcdPerformanceLibraryPropertyMask|gEfiMdePkgTokenSpaceGuid

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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>DxePerformanceLib</ModuleName>
<ModuleType>DXE_DRIVER</ModuleType>
<GuidValue>8B8B4CCC-65FC-41a5-8067-308B8E42CCF2</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for Dxe Performance Library</Abstract>
<Description>This library provides intrastructure for Dxe driver to log performance.</Description>
<Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>DxePerformanceLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER">
<Keyword>PerformanceLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PcdLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>DxePerformanceLib.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gPerformanceProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
<PcdCoded>
<PcdEntry PcdItemType="FIXED_AT_BUILD">
<C_Name>PcdPerformanceLibraryPropertyMask</C_Name>
<TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>The bitmask of flags that specify the enable/disable of
Performance Measurement.</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>

81
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@ -0,0 +1,81 @@
#/** @file
# DXE Print library
#
# Print Library based on EFI_PRINT_PROTOCOL
# 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.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = EdkDxePrintLib
FILE_GUID = 50bcb105-6634-441d-b403-659110a03ad2
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
LIBRARY_CLASS = PrintLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
PrintLib.c
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
UefiBootServicesTableLib
################################################################################
#
# Protocol C Name Section - list of Protocol and Protocol Notify C Names
# that this module uses or produces.
#
################################################################################
[Protocols]
gEfiPrintProtocolGuid # PROTOCOL ALWAYS_CONSUMED

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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>EdkDxePrintLib</ModuleName>
<ModuleType>DXE_DRIVER</ModuleType>
<GuidValue>50bcb105-6634-441d-b403-659110a03ad2</GuidValue>
<Version>1.0</Version>
<Abstract>DXE Print library</Abstract>
<Description>Print Library based on EFI_PRINT_PROTOCOL</Description>
<Copyright>Copyright (c) 2006 - 2007, Intel Corporation.</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>EdkDxePrintLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER">
<Keyword>PrintLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>PrintLib.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiPrintProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
</ModuleSurfaceArea>

159
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/*++
Copyright (c) 2006, 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.
Module Name:
PrintLib.c
Abstract:
Print Library
--*/
//
// The package level header files this module uses
//
#include <PiDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/Print.h>
//
// The Library classes this module consumes
//
#include <Library/PrintLib.h>
#include <Library/UefiBootServicesTableLib.h>
static EFI_PRINT_PROTOCOL *gPrintProtocol = NULL;
UINTN
UnicodeVSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN const CHAR16 *FormatString,
IN VA_LIST Marker
)
/*++
Routine Description:
VSPrint function to process format and place the results in Buffer. Since a
VA_LIST is used this rountine allows the nesting of Vararg routines. Thus
this is the main print working routine
Arguments:
StartOfBuffer - Unicode buffer to print the results of the parsing of Format into.
BufferSize - Maximum number of characters to put into buffer. Zero means
no limit.
FormatString - Unicode format string see file header for more details.
Marker - Vararg list consumed by processing Format.
Returns:
Number of characters printed.
--*/
{
EFI_STATUS Status;
if (gPrintProtocol == NULL) {
Status = gBS->LocateProtocol (
&gEfiPrintProtocolGuid,
NULL,
(VOID **)&gPrintProtocol
);
if (EFI_ERROR (Status)) {
gPrintProtocol = NULL;
}
if (gPrintProtocol == NULL) {
return 0;
}
}
return gPrintProtocol->VSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
}
UINTN
UnicodeSPrint (
OUT CHAR16 *StartOfBuffer,
IN UINTN BufferSize,
IN const CHAR16 *FormatString,
...
)
{
UINTN Return;
VA_LIST Marker;
VA_START (Marker, FormatString);
Return = UnicodeVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
VA_END (Marker);
return Return;
}
UINTN
AsciiVSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN const CHAR8 *FormatString,
IN VA_LIST Marker
)
/*++
Routine Description:
VSPrint function to process format and place the results in Buffer. Since a
VA_LIST is used this rountine allows the nesting of Vararg routines. Thus
this is the main print working routine
Arguments:
StartOfBuffer - Unicode buffer to print the results of the parsing of Format into.
BufferSize - Maximum number of characters to put into buffer. Zero means
no limit.
FormatString - Unicode format string see file header for more details.
Marker - Vararg list consumed by processing Format.
Returns:
Number of characters printed.
--*/
{
return 0;
}
UINTN
AsciiSPrint (
OUT CHAR8 *StartOfBuffer,
IN UINTN BufferSize,
IN const CHAR8 *FormatString,
...
)
{
UINTN Return;
VA_LIST Marker;
VA_START (Marker, FormatString);
Return = AsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
VA_END (Marker);
return Return;
}

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/*++
Copyright (c) 2006, 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.
Module Name:
PeiPerformanceLib.c
Abstract:
Performance Library
--*/
//
// The package level header files this module uses
//
#include <PiPei.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/PeiPerformanceHob.h>
//
// The Library classes this module consumes
//
#include <Library/PerformanceLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseMemoryLib.h>
/**
Gets PEI the GUID HOB for PEI performance.
This internal function searches for the GUID HOB for PEI performance.
If that GUID HOB is not found, it will build a new one.
It returns the data area of that GUID HOB to record performance log.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@retval The index of log entry in the array.
**/
STATIC
PEI_PERFORMANCE_LOG_HEADER *
InternalGetPerformanceHobLog (
VOID
)
{
EFI_HOB_GUID_TYPE *GuidHob;
PEI_PERFORMANCE_LOG_HEADER *PeiPerformanceLog;
UINTN PeiPerformanceLogSize;
GuidHob = GetFirstGuidHob (&gPeiPerformanceHobGuid);
if (GuidHob != NULL) {
//
// PEI Performance HOB was found, then return the existing one.
//
PeiPerformanceLog = GET_GUID_HOB_DATA (GuidHob);
} else {
//
// PEI Performance HOB was not found, then build one.
//
PeiPerformanceLogSize = sizeof (PEI_PERFORMANCE_LOG_HEADER) +
sizeof (PEI_PERFORMANCE_LOG_ENTRY) * PcdGet8 (PcdMaxPeiPerformanceLogEntries);
PeiPerformanceLog = BuildGuidHob (&gPeiPerformanceHobGuid, PeiPerformanceLogSize);
PeiPerformanceLog = ZeroMem (PeiPerformanceLog, PeiPerformanceLogSize);
}
return PeiPerformanceLog;
}
/**
Searches in the log array with keyword Handle, Token and Module.
This internal function searches for the log entry in the log array.
If there is an entry that exactly matches the given key word triple
and its end time stamp is zero, then the index of that log entry is returned;
otherwise, the the number of log entries in the array is returned.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@retval The index of log entry in the array.
**/
STATIC
UINT32
InternalSearchForLogEntry (
IN PEI_PERFORMANCE_LOG_HEADER *PeiPerformanceLog,
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module OPTIONAL
)
{
UINT32 Index;
UINT32 NumberOfEntries;
PEI_PERFORMANCE_LOG_ENTRY *LogEntryArray;
if (Token == NULL) {
Token = "";
}
if (Module == NULL) {
Module = "";
}
NumberOfEntries = PeiPerformanceLog->NumberOfEntries;
LogEntryArray = (PEI_PERFORMANCE_LOG_ENTRY *) (PeiPerformanceLog + 1);
for (Index = 0; Index < NumberOfEntries; Index++) {
if ((LogEntryArray[Index].Handle == (EFI_PHYSICAL_ADDRESS) (UINTN) Handle) &&
AsciiStrnCmp (LogEntryArray[Index].Token, Token, PEI_PERFORMANCE_STRING_LENGTH) == 0 &&
AsciiStrnCmp (LogEntryArray[Index].Module, Module, PEI_PERFORMANCE_STRING_LENGTH) == 0 &&
LogEntryArray[Index].EndTimeStamp == 0
) {
break;
}
}
return Index;
}
/**
Creates a record for the beginning of a performance measurement.
Creates a record that contains the Handle, Token, and Module.
If TimeStamp is not zero, then TimeStamp is added to the record as the start time.
If TimeStamp is zero, then this function reads the current time stamp
and adds that time stamp value to the record as the start time.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The start of the measurement was recorded.
@retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
RETURN_STATUS
EFIAPI
StartPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
PEI_PERFORMANCE_LOG_HEADER *PeiPerformanceLog;
PEI_PERFORMANCE_LOG_ENTRY *LogEntryArray;
UINT32 Index;
PeiPerformanceLog = InternalGetPerformanceHobLog ();
if (PeiPerformanceLog->NumberOfEntries >= PcdGet8 (PcdMaxPeiPerformanceLogEntries)) {
return RETURN_OUT_OF_RESOURCES;
}
Index = PeiPerformanceLog->NumberOfEntries++;
LogEntryArray = (PEI_PERFORMANCE_LOG_ENTRY *) (PeiPerformanceLog + 1);
LogEntryArray[Index].Handle = (EFI_PHYSICAL_ADDRESS) (UINTN) Handle;
if (Token != NULL) {
AsciiStrnCpy (LogEntryArray[Index].Token, Token, PEI_PERFORMANCE_STRING_LENGTH);
}
if (Module != NULL) {
AsciiStrnCpy (LogEntryArray[Index].Module, Module, PEI_PERFORMANCE_STRING_LENGTH);
}
if (TimeStamp == 0) {
TimeStamp = GetPerformanceCounter ();
}
LogEntryArray[Index].StartTimeStamp = TimeStamp;
return RETURN_SUCCESS;
}
/**
Fills in the end time of a performance measurement.
Looks up the record that matches Handle, Token, and Module.
If the record can not be found then return RETURN_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then TimeStamp is added to the record as the end time.
If the record is found and TimeStamp is zero, then this function reads
the current time stamp and adds that time stamp value to the record as the end time.
If this function is called multiple times for the same record, then the end time is overwritten.
@param Handle Pointer to environment specific context used
to identify the component being measured.
@param Token Pointer to a Null-terminated ASCII string
that identifies the component being measured.
@param Module Pointer to a Null-terminated ASCII string
that identifies the module being measured.
@param TimeStamp 64-bit time stamp.
@retval RETURN_SUCCESS The end of the measurement was recorded.
@retval RETURN_NOT_FOUND The specified measurement record could not be found.
**/
RETURN_STATUS
EFIAPI
EndPerformanceMeasurement (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
)
{
PEI_PERFORMANCE_LOG_HEADER *PeiPerformanceLog;
PEI_PERFORMANCE_LOG_ENTRY *LogEntryArray;
UINT32 Index;
if (TimeStamp == 0) {
TimeStamp = GetPerformanceCounter ();
}
PeiPerformanceLog = InternalGetPerformanceHobLog ();
Index = InternalSearchForLogEntry (PeiPerformanceLog, Handle, Token, Module);
if (Index >= PeiPerformanceLog->NumberOfEntries) {
return RETURN_NOT_FOUND;
}
LogEntryArray = (PEI_PERFORMANCE_LOG_ENTRY *) (PeiPerformanceLog + 1);
LogEntryArray[Index].EndTimeStamp = TimeStamp;
return RETURN_SUCCESS;
}
/**
Attempts to retrieve a performance measurement log entry from the performance measurement log.
Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is
zero on entry, then an attempt is made to retrieve the first entry from the performance log,
and the key for the second entry in the log is returned. If the performance log is empty,
then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance
log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is
returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is
retrieved and an implementation specific non-zero key value that specifies the end of the performance
log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry
is retrieved and zero is returned. In the cases where a performance log entry can be returned,
the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.
If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().
If Handle is NULL, then ASSERT().
If Token is NULL, then ASSERT().
If Module is NULL, then ASSERT().
If StartTimeStamp is NULL, then ASSERT().
If EndTimeStamp is NULL, then ASSERT().
@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.
0, then the first performance measurement log entry is retrieved.
On exit, the key of the next performance lof entry entry.
@param Handle Pointer to environment specific context used to identify the component
being measured.
@param Token Pointer to a Null-terminated ASCII string that identifies the component
being measured.
@param Module Pointer to a Null-terminated ASCII string that identifies the module
being measured.
@param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was started.
@param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement
was ended.
@return The key for the next performance log entry (in general case).
**/
UINTN
EFIAPI
GetPerformanceMeasurement (
IN UINTN LogEntryKey,
OUT CONST VOID **Handle,
OUT CONST CHAR8 **Token,
OUT CONST CHAR8 **Module,
OUT UINT64 *StartTimeStamp,
OUT UINT64 *EndTimeStamp
)
{
PEI_PERFORMANCE_LOG_HEADER *PeiPerformanceLog;
PEI_PERFORMANCE_LOG_ENTRY *CurrentLogEntry;
PEI_PERFORMANCE_LOG_ENTRY *LogEntryArray;
UINTN NumberOfEntries;
ASSERT (Handle != NULL);
ASSERT (Token != NULL);
ASSERT (Module != NULL);
ASSERT (StartTimeStamp != NULL);
ASSERT (EndTimeStamp != NULL);
PeiPerformanceLog = InternalGetPerformanceHobLog ();
NumberOfEntries = (UINTN) (PeiPerformanceLog->NumberOfEntries);
LogEntryArray = (PEI_PERFORMANCE_LOG_ENTRY *) (PeiPerformanceLog + 1);
//
// Make sure that LogEntryKey is a valid log entry key.
//
ASSERT (LogEntryKey <= NumberOfEntries);
if (LogEntryKey == NumberOfEntries) {
return 0;
}
CurrentLogEntry = &(LogEntryArray[LogEntryKey++]);
*Handle = (VOID *) (UINTN) (CurrentLogEntry->Handle);
*Token = CurrentLogEntry->Token;
*Module = CurrentLogEntry->Module;
*StartTimeStamp = CurrentLogEntry->StartTimeStamp;
*EndTimeStamp = CurrentLogEntry->EndTimeStamp;
return LogEntryKey;
}
/**
Returns TRUE if the performance measurement macros are enabled.
This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.
@retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is set.
@retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
PcdPerformanceLibraryPropertyMask is clear.
**/
BOOLEAN
EFIAPI
PerformanceMeasurementEnabled (
VOID
)
{
return (BOOLEAN) ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);
}

105
MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.inf Normal file
View File

@ -0,0 +1,105 @@
#/** @file
# Memory-only library functions with no library constructor/destructor
#
# This module provides the performance measurement interfaces in PEI phase, it is one instance of Performance Libarary.
# Copyright (c) 2006, 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.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PeiPerformanceLib
FILE_GUID = F72DE735-B24F-4ef6-897F-70A85D01A047
MODULE_TYPE = PEIM
VERSION_STRING = 1.0
LIBRARY_CLASS = PerformanceLib|PEIM PEI_CORE
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
PeiPerformanceLib.c
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
BaseMemoryLib
PcdLib
TimerLib
BaseLib
HobLib
DebugLib
################################################################################
#
# Guid C Name Section - list of Guids that this module uses or produces.
#
################################################################################
[Guids]
gPeiPerformanceHobGuid # SOMETIMES_CONSUMED
################################################################################
#
# Pcd FIXED_AT_BUILD - list of PCDs that this module is coded for.
#
################################################################################
[PcdsFixedAtBuild.common]
PcdPerformanceLibraryPropertyMask|gEfiMdePkgTokenSpaceGuid
################################################################################
#
# Pcd DYNAMIC - list of PCDs that this module is coded for.
#
################################################################################
[PcdsDynamic.common]
PcdMaxPeiPerformanceLogEntries|gEfiEdkModulePkgTokenSpaceGuid

76
MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.msa Normal file
View File

@ -0,0 +1,76 @@
<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>PeiPerformanceLib</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>F72DE735-B24F-4ef6-897F-70A85D01A047</GuidValue>
<Version>1.0</Version>
<Abstract>Memory-only library functions with no library constructor/destructor</Abstract>
<Description>This module provides the performance measurement interfaces in PEI phase, it is one instance of Performance Libarary.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>PeiPerformanceLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="PEIM PEI_CORE">
<Keyword>PerformanceLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>TimerLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PcdLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>PeiPerformanceLib.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
</PackageDependencies>
<Guids>
<GuidCNames Usage="SOMETIMES_CONSUMED">
<GuidCName>gPeiPerformanceHobGuid</GuidCName>
</GuidCNames>
</Guids>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
<PcdCoded>
<PcdEntry PcdItemType="FIXED_AT_BUILD">
<C_Name>PcdPerformanceLibraryPropertyMask</C_Name>
<TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>The bitmask of flags that specify the enable/disable of
Performance Measurement.</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC">
<C_Name>PcdMaxPeiPerformanceLogEntries</C_Name>
<TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>Maximun number of performance log entries during PEI phase.</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>

5
MdeModulePkg/MdeModulePkg.dsc
View File

@ -316,6 +316,7 @@
PcdFlashNvStorageFtwWorkingSize|gEfiGenericPlatformTokenSpaceGuid|0x0 PcdFlashNvStorageFtwWorkingSize|gEfiGenericPlatformTokenSpaceGuid|0x0
PcdFlashNvStorageVariableBase|gEfiGenericPlatformTokenSpaceGuid|0x0 PcdFlashNvStorageVariableBase|gEfiGenericPlatformTokenSpaceGuid|0x0
PcdFlashNvStorageVariableSize|gEfiGenericPlatformTokenSpaceGuid|0x0 PcdFlashNvStorageVariableSize|gEfiGenericPlatformTokenSpaceGuid|0x0
PcdMaxPeiPerformanceLogEntries|gEfiEdkModulePkgTokenSpaceGuid|28
[PcdsPatchableInModule.common] [PcdsPatchableInModule.common]
PcdDebugPrintErrorLevel|gEfiMdePkgTokenSpaceGuid|0x80000000 PcdDebugPrintErrorLevel|gEfiMdePkgTokenSpaceGuid|0x80000000
@ -332,6 +333,10 @@
[Components.Ia32] [Components.Ia32]
${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf ${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf
${WORKSPACE}/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.inf
${WORKSPACE}/MdeModulePkg/Library/DxePerformanceLib/DxePerformanceLib.inf
${WORKSPACE}/MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.inf
${WORKSPACE}/MdeModulePkg/Library/EdkDxePrintLib/EdkDxePrintLib.inf
${WORKSPACE}/MdeModulePkg/Application/HelloWorld/HelloWorld.inf ${WORKSPACE}/MdeModulePkg/Application/HelloWorld/HelloWorld.inf
${WORKSPACE}/MdeModulePkg/Universal/Disk/DiskIo/Dxe/DiskIo.inf ${WORKSPACE}/MdeModulePkg/Universal/Disk/DiskIo/Dxe/DiskIo.inf
${WORKSPACE}/MdeModulePkg/Universal/Disk/Partition/Dxe/Partition.inf ${WORKSPACE}/MdeModulePkg/Universal/Disk/Partition/Dxe/Partition.inf