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audk/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/Perf.c

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/*++
Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>
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:
Perf.c
Abstract:
Support for Performance primatives.
--*/
#include "Tiano.h"
#include "EfiDriverLib.h"
#include EFI_PROTOCOL_DEFINITION (Performance)
#include EFI_PROTOCOL_DEFINITION (LoadedImage)
#include EFI_GUID_DEFINITION (Hob)
#include EFI_GUID_DEFINITION (PeiPerformanceHob)
#include "LinkedList.h"
#include "EfiHobLib.h"
#include "EfiImage.h"
EFI_STATUS
GetTimerValue (
OUT UINT64 *TimerValue
);
EFI_STATUS
GetPeiPerformance (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable,
IN UINT64 Ticker
);
#define EFI_PERFORMANCE_DATA_SIGNATURE EFI_SIGNATURE_32 ('P', 'E', 'D', 'A')
typedef struct {
UINT32 Signature;
EFI_LIST_ENTRY Link;
EFI_GAUGE_DATA GaugeData;
} EFI_PERF_DATA_LIST;
#define GAUGE_DATA_FROM_LINK(_link) \
CR(_link, EFI_PERF_DATA_LIST, Link, EFI_PERFORMANCE_DATA_SIGNATURE)
#define GAUGE_DATA_FROM_GAUGE(_GaugeData) \
CR(_GaugeData, EFI_PERF_DATA_LIST, GaugeData, EFI_PERFORMANCE_DATA_SIGNATURE)
#define EFI_PERFORMANCE_SIGNATURE EFI_SIGNATURE_32 ('P', 'E', 'R', 'F')
//
// Performance protocol instance data structure
//
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_PERFORMANCE_PROTOCOL Perf;
UINT8 Phase;
} EFI_PERFORMANCE_INSTANCE;
//
// Performace protocol instance containing record macro
//
#define EFI_PERFORMANCE_FROM_THIS(a) \
CR(a, EFI_PERFORMANCE_INSTANCE, Perf, EFI_PERFORMANCE_SIGNATURE)
EFI_LIST_ENTRY mPerfDataHead = INITIALIZE_LIST_HEAD_VARIABLE(mPerfDataHead);
STATIC
VOID
GetShortPdbFileName (
CHAR8 *PdbFileName,
CHAR8 *GaugeString
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
UINTN Index;
UINTN Index1;
UINTN StartIndex;
UINTN EndIndex;
if (PdbFileName == NULL) {
EfiAsciiStrCpy (GaugeString, (CHAR8 *)" ");
} else {
StartIndex = 0;
for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
;
for (Index = 0; PdbFileName[Index] != 0; Index++) {
if (PdbFileName[Index] == '\\') {
StartIndex = Index + 1;
}
if (PdbFileName[Index] == '.') {
EndIndex = Index;
}
}
Index1 = 0;
for (Index = StartIndex; Index < EndIndex; Index++) {
GaugeString[Index1] = PdbFileName[Index];
Index1++;
if (Index1 == EFI_PERF_PDBFILENAME_LENGTH - 1) {
break;
}
}
GaugeString[Index1] = 0;
}
return ;
}
STATIC
CHAR8 *
GetPdbPath (
VOID *ImageBase
)
/*++
Routine Description:
Located PDB path name in PE image
Arguments:
ImageBase - base of PE to search
Returns:
Pointer into image at offset of PDB file name if PDB file name is found,
Otherwise a pointer to an empty string.
--*/
{
CHAR8 *PdbPath;
UINT32 DirCount;
EFI_IMAGE_DOS_HEADER *DosHdr;
EFI_IMAGE_NT_HEADERS *NtHdr;
UINT16 Magic;
EFI_IMAGE_OPTIONAL_HEADER32 *OptionalHdr32;
EFI_IMAGE_OPTIONAL_HEADER64 *OptionalHdr64;
EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;
EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;
VOID *CodeViewEntryPointer;
CodeViewEntryPointer = NULL;
PdbPath = NULL;
DosHdr = ImageBase;
if (DosHdr && DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {
NtHdr = (EFI_IMAGE_NT_HEADERS *) ((UINT8 *) DosHdr + DosHdr->e_lfanew);
//
// NOTE: We use Machine to identify PE32/PE32+, instead of Magic.
// It is for backward-compatibility consideration, because
// some system will generate PE32+ image with PE32 Magic.
//
if (NtHdr->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) {
Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;
} else if (NtHdr->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64) {
Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
} else if (NtHdr->FileHeader.Machine == EFI_IMAGE_MACHINE_X64) {
Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
} else {
Magic = NtHdr->OptionalHeader.Magic;
}
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
OptionalHdr32 = (VOID *) &NtHdr->OptionalHeader;
DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *) &(OptionalHdr32->DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
} else {
OptionalHdr64 = (VOID *) &NtHdr->OptionalHeader;
DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *) &(OptionalHdr64->DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
}
if (DirectoryEntry->VirtualAddress != 0) {
for (DirCount = 0;
(DirCount < DirectoryEntry->Size / sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY)) && CodeViewEntryPointer == NULL;
DirCount++
) {
DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) (DirectoryEntry->VirtualAddress + (UINTN) ImageBase + DirCount * sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY));
if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {
CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + (UINTN) ImageBase);
switch (*(UINT32 *) CodeViewEntryPointer) {
case CODEVIEW_SIGNATURE_NB10:
PdbPath = (CHAR8 *) CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);
break;
case CODEVIEW_SIGNATURE_RSDS:
PdbPath = (CHAR8 *) CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);
break;
default:
break;
}
}
}
}
}
return PdbPath;
}
STATIC
VOID
GetNameFromHandle (
IN EFI_HANDLE Handle,
OUT CHAR8 *GaugeString
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *Image;
CHAR8 *PdbFileName;
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
EfiAsciiStrCpy (GaugeString, (CHAR8 *)" ");
//
// Get handle name from image protocol
//
Status = gBS->HandleProtocol (
Handle,
&gEfiLoadedImageProtocolGuid,
(VOID**)&Image
);
if (EFI_ERROR (Status)) {
Status = gBS->OpenProtocol (
Handle,
&gEfiDriverBindingProtocolGuid,
(VOID **) &DriverBinding,
NULL,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Get handle name from image protocol
//
Status = gBS->HandleProtocol (
DriverBinding->ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID**)&Image
);
}
PdbFileName = GetPdbPath (Image->ImageBase);
if (PdbFileName != NULL) {
GetShortPdbFileName (PdbFileName, GaugeString);
}
return ;
}
EFI_PERF_DATA_LIST *
CreateDataNode (
IN EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host
)
/*++
Routine Description:
Create a EFI_PERF_DATA_LIST data node.
Arguments:
Handle - Handle of gauge data
Token - Token of gauge data
Host - Host of gauge data
Returns:
Pointer to a data node created.
--*/
{
EFI_PERF_DATA_LIST *Node;
//
// Al\ a new image structure
//
Node = EfiLibAllocateZeroPool (sizeof (EFI_PERF_DATA_LIST));
if (Node != NULL) {
Node->Signature = EFI_PERFORMANCE_DATA_SIGNATURE;
Node->GaugeData.Handle = Handle;
if (Token != NULL) {
EfiStrCpy ((Node->GaugeData).Token, Token);
}
if (Host != NULL) {
EfiStrCpy ((Node->GaugeData).Host, Host);
}
if (Handle != NULL) {
GetNameFromHandle (Handle, Node->GaugeData.PdbFileName);
}
}
return Node;
}
EFI_PERF_DATA_LIST *
GetDataNode (
IN EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN EFI_GUID *GuidName,
IN EFI_GAUGE_DATA *PrevGauge
)
/*++
Routine Description:
Search gauge node list to find one node with matched handle, token, host and Guid name.
Arguments:
Handle - Handle to match
Token - Token to match
Host - Host to match
GuidName - Guid name to match
PrevGauge - Start node, start from list head if NULL
Returns:
Return pointer to the node found, NULL if not found.
--*/
{
EFI_PERF_DATA_LIST *Node;
EFI_PERF_DATA_LIST *Temp;
EFI_PERF_DATA_LIST *Temp2;
EFI_LIST_ENTRY *CurrentLink;
EFI_GUID NullGuid = EFI_NULL_GUID;
Node = NULL;
Temp = NULL;
Temp2 = NULL;
if (PrevGauge == NULL) {
CurrentLink = mPerfDataHead.ForwardLink;
} else {
Temp2 = GAUGE_DATA_FROM_GAUGE (PrevGauge);
CurrentLink = (Temp2->Link).ForwardLink;
}
while (CurrentLink && CurrentLink != &mPerfDataHead) {
Node = GAUGE_DATA_FROM_LINK (CurrentLink);
if (Handle == 0 && Token == NULL && Host == NULL && GuidName == NULL) {
return Node;
}
if (Handle != (Node->GaugeData).Handle) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (GuidName == NULL && !EfiCompareGuid (&((Node->GaugeData).GuidName), &NullGuid)) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (GuidName && !EfiCompareGuid (&((Node->GaugeData).GuidName), GuidName)) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (Token == NULL && EfiStrCmp (Node->GaugeData.Token, L"")) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (Token && EfiStrCmp (Node->GaugeData.Token, Token)) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (Host == NULL && EfiStrCmp (Node->GaugeData.Host, L"")) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
if (Host && EfiStrCmp (Node->GaugeData.Host, Host)) {
CurrentLink = CurrentLink->ForwardLink;
continue;
}
Temp = Node;
break;
}
return Temp;
}
EFI_STATUS
EFIAPI
StartGauge (
IN EFI_PERFORMANCE_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
Create a guage data node and initialized it.
Arguments:
This - Calling context
Handle - Handle of gauge data
Token - Token of gauge data
Host - Host of gauge data
Ticker - Set gauge data's StartTick. If 0, StartTick is current timer.
Returns:
EFI_SUCCESS - Successfully create and initialized a guage data node.
EFI_OUT_OF_RESOURCES - No enough resource to create a guage data node.
--*/
{
EFI_PERFORMANCE_INSTANCE *PerfInstance;
EFI_PERF_DATA_LIST *Node;
UINT64 TimerValue;
TimerValue = 0;
PerfInstance = EFI_PERFORMANCE_FROM_THIS (This);
Node = CreateDataNode (Handle, Token, Host);
if (!Node) {
return EFI_OUT_OF_RESOURCES;
}
if (Ticker != 0) {
TimerValue = Ticker;
} else {
GetTimerValue (&TimerValue);
}
Node->GaugeData.StartTick = TimerValue;
if (!EfiStrCmp (Token, DXE_TOK)) {
PerfInstance->Phase = DXE_PHASE;
}
if (!EfiStrCmp (Token, SHELL_TOK)) {
PerfInstance->Phase = SHELL_PHASE;
}
Node->GaugeData.Phase = PerfInstance->Phase;
InsertTailList (&mPerfDataHead, &(Node->Link));
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
EndGauge (
IN EFI_PERFORMANCE_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
End all unfinished gauge data node that match specified handle, token and host.
Arguments:
This - Calling context
Handle - Handle to stop
Token - Token to stop
Host - Host to stop
Ticker - End tick, if 0 then get current timer
Returns:
EFI_NOT_FOUND - Node not found
EFI_SUCCESS - Gauge data node successfully ended.
--*/
{
EFI_PERFORMANCE_INSTANCE *PerfInstance;
EFI_PERF_DATA_LIST *Node;
UINT64 TimerValue;
TimerValue = 0;
PerfInstance = EFI_PERFORMANCE_FROM_THIS (This);
Node = GetDataNode (Handle, Token, Host, NULL, NULL);
if (!Node) {
return EFI_NOT_FOUND;
}
while (Node->GaugeData.EndTick != 0) {
Node = GetDataNode (Handle, Token, Host, NULL, &(Node->GaugeData));
if (!Node) {
return EFI_NOT_FOUND;
}
}
if (Ticker != 0) {
TimerValue = Ticker;
} else {
GetTimerValue (&TimerValue);
}
Node->GaugeData.EndTick = TimerValue;
return EFI_SUCCESS;
}
EFI_GAUGE_DATA *
EFIAPI
GetGauge (
IN EFI_PERFORMANCE_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN EFI_GAUGE_DATA *PrevGauge
)
/*++
Routine Description:
Get gauge.
Arguments:
This - A pointer to the EFI_PERFORMANCE_PROTOCOL.
Handle - A pointer of a efi handle.
Token - A pointer to the token.
Host - A pointer to the host.
PrevGauge - A pointer to the EFI_GAUGE_DATA structure.
Returns:
Status code.
--*/
{
EFI_PERFORMANCE_INSTANCE *PerfInstance;
EFI_PERF_DATA_LIST *Node;
PerfInstance = EFI_PERFORMANCE_FROM_THIS (This);
Node = GetDataNode (Handle, Token, Host, NULL, PrevGauge);
if (Node != NULL) {
return &(Node->GaugeData);
} else {
return NULL;
}
}
//
// Driver entry point
//
EFI_STATUS
EFIAPI
InitializePerformanceInfrastructure (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable,
IN UINT64 Ticker
)
/*++
Routine Description:
Install gEfiPerformanceProtocolGuid protocol and transfer PEI performance to gauge data nodes.
Arguments:
ImageHandle - Standard driver entry point parameter
SystemTable - Standard driver entry point parameter
Ticker - End tick for PEI performance
Returns:
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
EFI_SUCCESS - Protocol installed.
--*/
{
EFI_STATUS Status;
EFI_PERFORMANCE_INSTANCE *PerfInstance;
//
// Allocate a new image structure
//
PerfInstance = EfiLibAllocateZeroPool (sizeof (EFI_PERFORMANCE_INSTANCE));
if (PerfInstance == NULL) {
return EFI_OUT_OF_RESOURCES;
}
PerfInstance->Signature = EFI_PERFORMANCE_SIGNATURE;
PerfInstance->Perf.StartGauge = StartGauge;
PerfInstance->Perf.EndGauge = EndGauge;
PerfInstance->Perf.GetGauge = GetGauge;
//
// Install the protocol interfaces
//
Status = gBS->InstallProtocolInterface (
&PerfInstance->Handle,
&gEfiPerformanceProtocolGuid,
EFI_NATIVE_INTERFACE,
&PerfInstance->Perf
);
if (!EFI_ERROR (Status)) {
GetPeiPerformance (ImageHandle, SystemTable, Ticker);
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
StartMeasure (
EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
Start to gauge on a specified handle, token and host, with Ticker as start tick.
Arguments:
Handle - Handle to measure
Token - Token to measure
Host - Host to measure
Ticker - Ticker as start tick
Returns:
Status code.
--*/
{
EFI_STATUS Status;
EFI_PERFORMANCE_PROTOCOL *Perf;
Status = gBS->LocateProtocol (&gEfiPerformanceProtocolGuid, NULL, (VOID **) &Perf);
if (EFI_ERROR (Status)) {
return Status;
}
return Perf->StartGauge (Perf, Handle, Token, Host, Ticker);
}
EFI_STATUS
EFIAPI
EndMeasure (
EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
End gauging on a specified handle, token and host, with Ticker as end tick.
Arguments:
Handle - Handle to stop
Token - Token to stop
Host - Host to stop
Ticker - Ticker as end tick
Returns:
Status code.
--*/
{
EFI_STATUS Status;
EFI_PERFORMANCE_PROTOCOL *Perf;
Status = gBS->LocateProtocol (&gEfiPerformanceProtocolGuid, NULL, (VOID **) &Perf);
if (Status != EFI_SUCCESS) {
return Status;
}
return (Perf->EndGauge( Perf, Handle, Token, Host, Ticker)) ;
}
EFI_STATUS
EFIAPI
UpdateMeasure (
EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
EFI_HANDLE HandleNew,
IN UINT16 *TokenNew,
IN UINT16 *HostNew
)
/*++
Routine Description:
Update measure.
Arguments:
Handle - A pointer of an efi handle.
Token - A pointer to the token.
Host - A pointer to the host.
HandleNew - A pointer of an new efi handle.
TokenNew - A pointer to the new token.
HostNew - A pointer to the new host.
Returns:
Status code.
EFI_NOT_FOUND - The speicified gauge data node not found.
EFI_SUCCESS - Update successfully.
--*/
{
EFI_STATUS Status;
EFI_GAUGE_DATA *GaugeData;
EFI_PERFORMANCE_PROTOCOL *Perf;
Status = gBS->LocateProtocol (&gEfiPerformanceProtocolGuid, NULL, (VOID **) &Perf);
if (EFI_ERROR (Status)) {
return Status;
}
GaugeData = Perf->GetGauge (Perf, Handle, Token, Host, NULL);
if (!GaugeData) {
return EFI_NOT_FOUND;
}
GaugeData->Handle = HandleNew;
if (HostNew != NULL) {
EfiStrCpy (GaugeData->Host, HostNew);
} else {
EfiStrCpy (GaugeData->Host, L"");
}
if (TokenNew != NULL) {
EfiStrCpy (GaugeData->Token, TokenNew);
} else {
EfiStrCpy (GaugeData->Token, L"");
}
return EFI_SUCCESS;
}
EFI_STATUS
GetPeiPerformance (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable,
IN UINT64 Ticker
)
/*++
Routine Description:
Transfer PEI performance data to gauge data node.
Arguments:
ImageHandle - Standard entry point parameter
SystemTable - Standard entry point parameter
Ticker - Start tick
Returns:
EFI_OUT_OF_RESOURCES - No enough resource to create data node.
EFI_SUCCESS - Transfer done successfully.
--*/
{
EFI_STATUS Status;
VOID *HobList;
EFI_HOB_GUID_DATA_PERFORMANCE_LOG *LogHob;
PEI_PERFORMANCE_MEASURE_LOG_ENTRY *LogEntry;
UINT32 Index;
EFI_PERF_DATA_LIST *Node;
UINT64 TimerValue;
Node = CreateDataNode (0, PEI_TOK, NULL);
if (!Node) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize 'LogHob' to NULL before usage.
//
LogHob = NULL;
if (Ticker != 0) {
TimerValue = Ticker;
} else {
GetTimerValue (&TimerValue);
}
(Node->GaugeData).EndTick = TimerValue;
InsertTailList (&mPerfDataHead, &(Node->Link));
EfiLibGetSystemConfigurationTable (&gEfiHobListGuid, &HobList);
do {
Status = GetNextGuidHob (&HobList, &gEfiPeiPerformanceHobGuid, (VOID **) &LogHob, NULL);
if (EFI_ERROR (Status) || (LogHob == NULL)) {
//
// Failed to get HOB for ProtocolGuid.
//
break;
}
for (Index = 0; Index < LogHob->NumberOfEntries; Index++) {
LogEntry = &(LogHob->Log[Index]);
Node = CreateDataNode (0, LogEntry->DescriptionString, NULL);
if (!Node) {
return EFI_OUT_OF_RESOURCES;
}
(Node->GaugeData).StartTick = LogEntry->StartTimeCount;
EfiCopyMem (&(Node->GaugeData.GuidName), &LogEntry->Name, sizeof (EFI_GUID));
InsertTailList (&mPerfDataHead, &(Node->Link));
(Node->GaugeData).EndTick = LogEntry->StopTimeCount;
}
} while (!EFI_ERROR (Status));
return EFI_SUCCESS;
}
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