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+//*************************************************************************
+//*************************************************************************
+//** **
+//** (C)Copyright 1985-2010, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//*************************************************************************
+//*************************************************************************
+//**********************************************************************
+//
+// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/AmtWrapper/AmtWrapperDxe/Performance.c 3 5/14/14 9:53p Tristinchou $
+//
+// $Revision: 3 $
+//
+// $Date: 5/14/14 9:53p $
+//
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/AmtWrapper/AmtWrapperDxe/Performance.c $
+//
+// 3 5/14/14 9:53p Tristinchou
+// [TAG] EIP167030
+// [Category] Improvement
+// [Description] Remove the variable runtime attribute and keep original
+// attributes.
+//
+// 2 9/19/12 6:35a Klzhan
+// Fix Build error when Performance is enabled.
+//
+// 1 2/08/12 1:08a Klzhan
+// Initial Check in
+//
+// 2 9/21/11 9:00a Klzhan
+// [TAG] EIP69500
+// [Category] Bug Fix
+// [Severity] Minor
+// [Symptom] Compiler Error when DXE_PERFORMANCE is on
+// [RootCause] EDK Library doesn't support this function.
+//
+// 1 2/25/11 1:44a Klzhan
+// Initial Check-in
+//
+// 1 12/03/10 5:10a Klzhan
+// Initial Check-in.
+//
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//----------------------------------------------------------------------------
+//
+// Name: Performance.c
+//
+// Description: help to get the system performance
+//
+//
+//----------------------------------------------------------------------------
+//<AMI_FHDR_END>
+/*++
+
+Copyright (c) 2004 - 2005, 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:
+
+ Performance.c
+
+Abstract:
+
+ This file include the file which can help to get the system
+ performance, all the function will only include if the performance
+ switch is set.
+
+--*/
+
+#include "Tiano.h"
+#include "EfiDriverLib.h"
+#include "EfiPrintLib.h"
+
+#ifndef GUID_VARIABLE_DECLARATION
+#define GUID_VARIABLE_DECLARATION(Variable, Guid) extern EFI_GUID Variable
+#endif
+
+//#define EFI_DXE_PERFORMANCE
+
+#ifdef EFI_DXE_PERFORMANCE
+#include "EfiImage.h"
+#include "Include\Protocol\Performance.h"
+
+VOID
+ConvertChar16ToChar8 (
+ IN CHAR8 *Dest,
+ IN CHAR16 *Src
+ )
+{
+ while (*Src) {
+ *Dest++ = (UINT8) (*Src++);
+ }
+
+ *Dest = 0;
+}
+#include <token.h>
+#include EFI_ARCH_PROTOCOL_CONSUMER (Cpu)
+#include EFI_GUID_DEFINITION (GlobalVariable)
+
+
+extern EFI_STATUS GetTimerValue ( UINT64 *TimerValue );//extern UINT64 GetCpuTimer ();
+extern UINT64 DivU64x32 (UINT64 Dividend,UINTN Divisor,UINTN *Remainder);
+extern CHAR8 *EfiAsciiStrCpy (CHAR8 *Destination,CHAR8 *Source );
+
+#define Div64(a,b,c) DivU64x32(a,b,c)
+#define Strcpy(a,b) EfiAsciiStrCpy(a,b)
+//**********************************************************************
+// PERFORMANCE FUNCTIONS AND STRUCTURES
+//**********************************************************************
+
+#define EFI_PERF_PEI_ENTRY_MAX_NUM 50
+
+typedef struct {
+ CHAR8 Token[EFI_PERF_PDBFILENAME_LENGTH];
+ UINT32 Duration;
+} EFI_PERF_DATA;
+
+typedef struct {
+ UINT64 BootToOs;
+ UINT64 S3Resume;
+ UINT32 S3EntryNum;
+ EFI_PERF_DATA S3Entry[EFI_PERF_PEI_ENTRY_MAX_NUM];
+ UINT64 CpuFreq;
+ UINT64 BDSRaw;
+ UINT32 Count;
+ UINT32 Signiture;
+} EFI_PERF_HEADER;
+//*************************************************************************
+//<AMI_PHDR_START>
+//
+// Name: WriteBootToOsPerformanceData
+//
+// Description:
+// VOID WriteBootToOsPerformanceData() allocates a block of memory and
+// writes performance data into it.
+//
+// Input:
+// VOID.
+//
+// Output:
+// VOID.
+//
+// Modified:
+//
+// Referrals:
+// GetCpuTimer
+// Div64
+// Strcpy
+//
+// Notes:
+// This function must only be called once; by default, it is called by BDS.
+//
+//<AMI_PHDR_END>
+//*************************************************************************
+VOID WriteBootToOsPerformanceData (){
+ static EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase = 0;
+ static BOOLEAN FirstCall = TRUE;
+
+ EFI_STATUS Status;
+ EFI_CPU_ARCH_PROTOCOL *Cpu;
+ EFI_PERFORMANCE_PROTOCOL *DrvPerf;
+ UINT32 AcpiLowMemoryLength;
+ UINT32 LimitCount;
+ EFI_PERF_HEADER PerfHeader;
+ EFI_PERF_DATA PerfData;
+ EFI_GAUGE_DATA *DumpData;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ UINT8 *Ptr;
+ UINT8 *PdbFileName;
+ UINT32 Index;
+ UINT64 Ticker;
+ UINT64 Freq;
+ UINT32 Duration;
+ UINT64 CurrentTicker;
+ UINT64 TimerPeriod;
+ EFI_GUID gEfiGlobalVariableGuid = EFI_GLOBAL_VARIABLE_GUID;
+ IN CHAR8 *Dest;
+ IN CHAR16 *Src;
+ UINT32 VarAttr;
+ UINTN VarSize;
+
+
+
+ // Retrive time stamp count as early as possilbe
+ GetTimerValue(&Ticker);//Ticker = GetCpuTimer (); //Bruce[c]
+
+ // Allocate a block of memory that contain performance data to OS for the first call
+ if(FirstCall)
+ {
+ Status = gBS->AllocatePages (
+ AllocateAnyPages,
+ EfiRuntimeServicesData,
+ 4,
+ &AcpiLowMemoryBase
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ }
+
+ AcpiLowMemoryLength = EFI_PAGES_TO_SIZE(4);
+
+ Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (EFI_PERF_HEADER));
+ LimitCount = (AcpiLowMemoryLength - sizeof (EFI_PERF_HEADER)) / sizeof (EFI_PERF_DATA);
+
+ // Get performance architecture protocol
+ Status = gBS->LocateProtocol (
+ &gEfiPerformanceProtocolGuid,
+ NULL,
+ &DrvPerf
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 4);
+ return ;
+ }
+ // Initialize performance data structure
+ gBS->SetMem (&PerfHeader, sizeof (EFI_PERF_HEADER), 0);
+
+ // Get CPU frequency
+ Status = gBS->LocateProtocol (
+ &gEfiCpuArchProtocolGuid,
+ NULL,
+ &Cpu
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 4);
+ return ;
+ }
+ // Get Cpu Frequency
+ Status = Cpu->GetTimerValue (Cpu, 0, &(CurrentTicker), &TimerPeriod);
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 4);
+ return ;
+ }
+
+ Freq = Div64(1000000000000, (UINTN) TimerPeriod, NULL);
+ PerfHeader.CpuFreq = Freq;
+
+ // Record current raw performance data
+ PerfHeader.BDSRaw = Ticker;
+
+ // Put Detailed performance data into memory
+ Handles = NULL;
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 1);
+ return ;
+ }
+
+ // Get DXE drivers performance
+ for (Index = 0; Index < NoHandles; Index++) {
+ Ticker = 0;
+ PdbFileName = NULL;
+ DumpData = DrvPerf->GetGauge (
+ DrvPerf, // Context
+ NULL, // Handle
+ NULL, // Token
+ NULL, // Host
+ NULL // PrecGauge
+ );
+ while (DumpData) {
+ if (DumpData->Handle == Handles[Index]) {
+ PdbFileName = &(DumpData->PdbFileName[0]);
+ if (DumpData->StartTick < DumpData->EndTick) {
+ Ticker += (DumpData->EndTick - DumpData->StartTick);
+ }
+ }
+
+ DumpData = DrvPerf->GetGauge (
+ DrvPerf, // Context
+ NULL, // Handle
+ NULL, // Token
+ NULL, // Host
+ DumpData // PrecGauge
+ );
+ }
+
+ Duration = (UINT32) Div64 (
+ Ticker,
+ (UINT32) Freq,
+ NULL
+ );
+
+ if (Duration > 0) {
+ gBS->SetMem (&PerfData, sizeof (EFI_PERF_DATA), 0);
+
+ if (PdbFileName != NULL) {
+ Strcpy (PerfData.Token, PdbFileName);
+ }
+
+ PerfData.Duration = Duration;
+
+ gBS->CopyMem (Ptr, &PerfData, sizeof (EFI_PERF_DATA));
+ Ptr += sizeof (EFI_PERF_DATA);
+
+ PerfHeader.Count++;
+ if (PerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+ gBS->FreePool (Handles);
+
+ // Get inserted performance data
+ DumpData = DrvPerf->GetGauge (
+ DrvPerf, // Context
+ NULL, // Handle
+ NULL, // Token
+ NULL, // Host
+ NULL // PrecGauge
+ );
+ while (DumpData) {
+ if ((DumpData->Handle) || (DumpData->StartTick > DumpData->EndTick)) {
+ DumpData = DrvPerf->GetGauge (
+ DrvPerf, // Context
+ NULL, // Handle
+ NULL, // Token
+ NULL, // Host
+ DumpData // PrecGauge
+ );
+ continue;
+ }
+
+ gBS->SetMem (&PerfData, sizeof (EFI_PERF_DATA), 0);
+
+ //convert CHAR16 string to CHAR8 string
+ Src = DumpData->Token;
+ Dest = (UINT8 *) PerfData.Token;
+ while (*Src) *Dest++ = (UINT8) (*Src++);
+ *Dest = 0;
+
+ PerfData.Duration = (UINT32) Div64 (
+ DumpData->EndTick - DumpData->StartTick,
+ (UINT32) Freq,
+ NULL
+ );
+
+ gBS->CopyMem(Ptr, &PerfData, sizeof (EFI_PERF_DATA));
+ Ptr += sizeof (EFI_PERF_DATA);
+
+ PerfHeader.Count++;
+ if (PerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+
+ DumpData = DrvPerf->GetGauge (
+ DrvPerf, // Context
+ NULL, // Handle
+ NULL, // Token
+ NULL, // Host
+ DumpData // PrecGauge
+ );
+ }
+
+Done:
+ PerfHeader.Signiture = 0x66726550;
+
+ // Put performance data to memory
+ gBS->CopyMem (
+ (UINTN *) (UINTN) AcpiLowMemoryBase,
+ &PerfHeader,
+ sizeof (EFI_PERF_HEADER)
+ );
+
+ if(FirstCall)
+ {
+ VarAttr = 0;
+ VarSize = 0;
+
+ Status = gRT->GetVariable(
+ L"PerfDataMemAddr",
+ &gEfiGlobalVariableGuid,
+ &VarAttr,
+ &VarSize,
+ NULL );
+ if( EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL )
+ {
+ VarAttr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
+ VarSize = sizeof(UINT32);
+ }
+
+ gRT->SetVariable (
+ L"PerfDataMemAddr",
+ &gEfiGlobalVariableGuid,
+ VarAttr,
+ VarSize,
+ (VOID *) &AcpiLowMemoryBase );
+
+ FirstCall = FALSE;
+ }
+}
+
+#endif
+//*************************************************************************
+//*************************************************************************
+//** **
+//** (C)Copyright 1985-2010, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//*************************************************************************
+//*************************************************************************
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