mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
399 lines
11 KiB
C
399 lines
11 KiB
C
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/** @file
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This file include the file which can help to get the system
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performance, all the function will only include if the performance
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switch is set.
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Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
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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 "InternalBdsLib.h"
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PERF_HEADER mPerfHeader;
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PERF_DATA mPerfData;
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EFI_PHYSICAL_ADDRESS mAcpiLowMemoryBase = 0x0FFFFFFFFULL;
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UINT32 mAcpiLowMemoryLength = 0x4000;
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/**
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Get the short verion of PDB file name to be
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used in performance data logging.
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@param PdbFileName The long PDB file name.
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@param GaugeString The output string to be logged by performance logger.
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**/
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VOID
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GetShortPdbFileName (
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IN CONST CHAR8 *PdbFileName,
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OUT CHAR8 *GaugeString
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)
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{
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UINTN Index;
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UINTN Index1;
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UINTN StartIndex;
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UINTN EndIndex;
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if (!GaugeString) {
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return ;
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}
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if (PdbFileName == NULL) {
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AsciiStrCpyS (GaugeString, 2, " ");
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} else {
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StartIndex = 0;
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for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
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;
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for (Index = 0; PdbFileName[Index] != 0; Index++) {
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if (PdbFileName[Index] == '\\') {
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StartIndex = Index + 1;
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}
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if (PdbFileName[Index] == '.') {
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EndIndex = Index;
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}
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}
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Index1 = 0;
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for (Index = StartIndex; Index < EndIndex; Index++) {
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GaugeString[Index1] = PdbFileName[Index];
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Index1++;
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if (Index1 == PERF_TOKEN_LENGTH - 1) {
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break;
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}
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}
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GaugeString[Index1] = 0;
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}
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return ;
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}
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/**
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Get the name from the Driver handle, which can be a handle with
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EFI_LOADED_IMAGE_PROTOCOL or EFI_DRIVER_BINDING_PROTOCOL installed.
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This name can be used in performance data logging.
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@param Handle Driver handle.
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@param GaugeString The output string to be logged by performance logger.
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**/
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VOID
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GetNameFromHandle (
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IN EFI_HANDLE Handle,
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OUT CHAR8 *GaugeString
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)
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{
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EFI_STATUS Status;
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EFI_LOADED_IMAGE_PROTOCOL *Image;
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CHAR8 *PdbFileName = NULL;
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EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
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AsciiStrCpyS (GaugeString, 2, " ");
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//
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// Get handle name from image protocol
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//
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Status = gBS->HandleProtocol (
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Handle,
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&gEfiLoadedImageProtocolGuid,
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(VOID **) &Image
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);
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if (EFI_ERROR (Status)) {
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Status = gBS->OpenProtocol (
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Handle,
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&gEfiDriverBindingProtocolGuid,
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(VOID **) &DriverBinding,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return ;
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}
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//
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// Get handle name from image protocol
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//
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Status = gBS->HandleProtocol (
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DriverBinding->ImageHandle,
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&gEfiLoadedImageProtocolGuid,
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(VOID **) &Image
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);
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}
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if (!EFI_ERROR(Status) && Image != NULL) {
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PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);
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}
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if (PdbFileName != NULL) {
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GetShortPdbFileName (PdbFileName, GaugeString);
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}
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return ;
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}
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/**
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Allocates a block of memory to store performance data.
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**/
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VOID
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AllocateMemoryForPerformanceData (
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VOID
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)
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{
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EFI_STATUS Status;
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if (mAcpiLowMemoryBase == 0x0FFFFFFFF) {
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//
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// Allocate a block of memory that contain performance data to OS
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//
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Status = gBS->AllocatePages (
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AllocateMaxAddress,
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EfiReservedMemoryType,
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EFI_SIZE_TO_PAGES (mAcpiLowMemoryLength),
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&mAcpiLowMemoryBase
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);
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if (!EFI_ERROR (Status)) {
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gRT->SetVariable (
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L"PerfDataMemAddr",
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&gPerformanceProtocolGuid,
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EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
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sizeof (EFI_PHYSICAL_ADDRESS),
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&mAcpiLowMemoryBase
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);
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}
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}
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}
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/**
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Writes performance data of booting into the allocated memory.
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OS can process these records.
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@param Event The triggered event.
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@param Context Context for this event.
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**/
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VOID
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EFIAPI
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WriteBootToOsPerformanceData (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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EFI_STATUS Status;
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UINT32 LimitCount;
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EFI_HANDLE *Handles;
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UINTN NoHandles;
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CHAR8 GaugeString[PERF_TOKEN_LENGTH];
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UINT8 *Ptr;
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UINT32 Index;
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UINT64 Ticker;
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UINT64 Freq;
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UINT32 Duration;
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UINTN LogEntryKey;
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CONST VOID *Handle;
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CONST CHAR8 *Token;
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CONST CHAR8 *Module;
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UINT64 StartTicker;
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UINT64 EndTicker;
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UINT64 StartValue;
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UINT64 EndValue;
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BOOLEAN CountUp;
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UINTN EntryIndex;
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UINTN NumPerfEntries;
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//
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// List of flags indicating PerfEntry contains DXE handle
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//
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BOOLEAN *PerfEntriesAsDxeHandle;
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UINTN VarSize;
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//
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// Record the performance data for End of BDS
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//
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PERF_END(NULL, "BDS", NULL, 0);
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//
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// Retrieve time stamp count as early as possible
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//
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Ticker = GetPerformanceCounter ();
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Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);
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Freq = DivU64x32 (Freq, 1000);
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mPerfHeader.CpuFreq = Freq;
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//
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// Record BDS raw performance data
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//
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if (EndValue >= StartValue) {
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mPerfHeader.BDSRaw = Ticker - StartValue;
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CountUp = TRUE;
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} else {
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mPerfHeader.BDSRaw = StartValue - Ticker;
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CountUp = FALSE;
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}
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if (mAcpiLowMemoryBase == 0x0FFFFFFFF) {
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VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
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Status = gRT->GetVariable (
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L"PerfDataMemAddr",
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&gPerformanceProtocolGuid,
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NULL,
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&VarSize,
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&mAcpiLowMemoryBase
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);
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if (EFI_ERROR (Status)) {
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//
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// Fail to get the variable, return.
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//
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return;
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}
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}
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//
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// Put Detailed performance data into memory
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//
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Handles = NULL;
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Status = gBS->LocateHandleBuffer (
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AllHandles,
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NULL,
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NULL,
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&NoHandles,
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&Handles
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);
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if (EFI_ERROR (Status)) {
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return ;
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}
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Ptr = (UINT8 *) ((UINT32) mAcpiLowMemoryBase + sizeof (PERF_HEADER));
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LimitCount = (UINT32) (PERF_DATA_MAX_LENGTH - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
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NumPerfEntries = 0;
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LogEntryKey = 0;
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while ((LogEntryKey = GetPerformanceMeasurement (
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LogEntryKey,
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&Handle,
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&Token,
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&Module,
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&StartTicker,
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&EndTicker)) != 0) {
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NumPerfEntries++;
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}
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PerfEntriesAsDxeHandle = AllocateZeroPool (NumPerfEntries * sizeof (BOOLEAN));
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// ASSERT (PerfEntriesAsDxeHandle != NULL);
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//
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// Get DXE drivers performance
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//
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for (Index = 0; Index < NoHandles; Index++) {
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Ticker = 0;
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LogEntryKey = 0;
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EntryIndex = 0;
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while ((LogEntryKey = GetPerformanceMeasurement (
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LogEntryKey,
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&Handle,
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&Token,
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&Module,
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&StartTicker,
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&EndTicker)) != 0) {
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if (Handle == Handles[Index] && !PerfEntriesAsDxeHandle[EntryIndex]) {
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PerfEntriesAsDxeHandle[EntryIndex] = TRUE;
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}
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EntryIndex++;
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if ((Handle == Handles[Index]) && (EndTicker != 0)) {
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if (StartTicker == 1) {
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StartTicker = StartValue;
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}
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if (EndTicker == 1) {
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EndTicker = StartValue;
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}
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Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
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}
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}
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Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
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if (Duration > 0) {
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GetNameFromHandle (Handles[Index], GaugeString);
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AsciiStrCpyS (mPerfData.Token, PERF_TOKEN_LENGTH+1, GaugeString);
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mPerfData.Duration = Duration;
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CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
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Ptr += sizeof (PERF_DATA);
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mPerfHeader.Count++;
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if (mPerfHeader.Count == LimitCount) {
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goto Done;
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}
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}
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}
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//
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// Get inserted performance data
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//
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LogEntryKey = 0;
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EntryIndex = 0;
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while ((LogEntryKey = GetPerformanceMeasurement (
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LogEntryKey,
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&Handle,
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&Token,
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&Module,
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&StartTicker,
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&EndTicker)) != 0) {
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if (!PerfEntriesAsDxeHandle[EntryIndex] && EndTicker != 0) {
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ZeroMem (&mPerfData, sizeof (PERF_DATA));
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AsciiStrnCpyS (mPerfData.Token, PERF_TOKEN_LENGTH+1, Token, PERF_TOKEN_LENGTH);
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if (StartTicker == 1) {
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StartTicker = StartValue;
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}
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if (EndTicker == 1) {
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EndTicker = StartValue;
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}
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Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
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mPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
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CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
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Ptr += sizeof (PERF_DATA);
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mPerfHeader.Count++;
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if (mPerfHeader.Count == LimitCount) {
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goto Done;
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}
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}
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EntryIndex++;
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}
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Done:
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FreePool (Handles);
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FreePool (PerfEntriesAsDxeHandle);
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mPerfHeader.Signiture = PERFORMANCE_SIGNATURE;
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//
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// Put performance data to Reserved memory
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//
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CopyMem (
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(UINTN *) (UINTN) mAcpiLowMemoryBase,
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&mPerfHeader,
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sizeof (PERF_HEADER)
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);
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return ;
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}
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