diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:55:38 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:37 +0800 |
| commit | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (patch) | |
| tree | 297e208d4ade33a8bb3d5d20f72c53e0d134e003 /Core/MdeModulePkg/Library/DxeSmmPerformanceLib | |
| parent | ed2ecce34b3830562c4239093a41ba92d76d5f31 (diff) | |
| download | edk2-platforms-7f05fa00f73038b425002566d3afe6c3ade2ccdb.tar.xz | |
MdeModulePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdeModulePkg/Library/DxeSmmPerformanceLib')
| -rw-r--r-- | Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.c | 866 | ||||
| -rw-r--r-- | Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.inf | 68 | ||||
| -rw-r--r-- | Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.uni | bin | 0 -> 2598 bytes |
3 files changed, 934 insertions, 0 deletions
diff --git a/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.c b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.c new file mode 100644 index 0000000000..7af6478bec --- /dev/null +++ b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.c @@ -0,0 +1,866 @@ +/** @file
+ Performance library instance used in DXE phase to dump both PEI/DXE and SMM performance data.
+
+ This library instance allows a DXE driver or UEFI application to dump both PEI/DXE and SMM performance data.
+ StartPerformanceMeasurement(), EndPerformanceMeasurement(), StartPerformanceMeasurementEx()
+ and EndPerformanceMeasurementEx() are not implemented.
+
+ Copyright (c) 2011 - 2015, 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.
+
+**/
+
+
+#include <PiDxe.h>
+
+#include <Guid/Performance.h>
+
+#include <Library/PerformanceLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/PcdLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BaseLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+#include <Protocol/SmmCommunication.h>
+
+#include <Guid/PiSmmCommunicationRegionTable.h>
+#include <Library/UefiLib.h>
+
+#define SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data) + sizeof (SMM_PERF_COMMUNICATE))
+
+EFI_SMM_COMMUNICATION_PROTOCOL *mSmmCommunication = NULL;
+UINT8 *mSmmPerformanceBuffer;
+GAUGE_DATA_ENTRY *mGaugeData = NULL;
+UINTN mGaugeNumberOfEntries = 0;
+GAUGE_DATA_ENTRY_EX *mGaugeDataEx = NULL;
+UINTN mGaugeNumberOfEntriesEx = 0;
+
+BOOLEAN mNoSmmPerfHandler = FALSE;
+BOOLEAN mNoSmmPerfExHandler = FALSE;
+
+//
+// The cached Performance Protocol and PerformanceEx Protocol interface.
+//
+PERFORMANCE_PROTOCOL *mPerformance = NULL;
+PERFORMANCE_EX_PROTOCOL *mPerformanceEx = NULL;
+
+/**
+ The function caches the pointer to SMM Communication protocol.
+
+ The function locates SMM Communication protocol from protocol database.
+
+ @retval EFI_SUCCESS SMM Communication protocol is successfully located.
+ @retval Other SMM Communication protocol is not located to log performance.
+
+**/
+EFI_STATUS
+GetCommunicationProtocol (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMM_COMMUNICATION_PROTOCOL *Communication;
+
+ if (mSmmCommunication != NULL) {
+ return EFI_SUCCESS;
+ }
+
+ Status = gBS->LocateProtocol (&gEfiSmmCommunicationProtocolGuid, NULL, (VOID **) &Communication);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (Communication != NULL);
+ //
+ // Cache SMM Communication protocol.
+ //
+ mSmmCommunication = Communication;
+ }
+
+ return Status;
+}
+
+/**
+ The function caches the pointers to PerformanceEx protocol and Performance Protocol.
+
+ The function locates PerformanceEx protocol and Performance Protocol from protocol database.
+
+ @retval EFI_SUCCESS PerformanceEx protocol or Performance Protocol is successfully located.
+ @retval EFI_NOT_FOUND Both PerformanceEx protocol and Performance Protocol are not located to log performance.
+
+**/
+EFI_STATUS
+GetPerformanceProtocol (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ PERFORMANCE_PROTOCOL *Performance;
+ PERFORMANCE_EX_PROTOCOL *PerformanceEx;
+
+ if (mPerformanceEx != NULL || mPerformance != NULL) {
+ return EFI_SUCCESS;
+ }
+
+ Status = gBS->LocateProtocol (&gPerformanceExProtocolGuid, NULL, (VOID **) &PerformanceEx);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (PerformanceEx != NULL);
+ //
+ // Cache PerformanceEx Protocol.
+ //
+ mPerformanceEx = PerformanceEx;
+ return EFI_SUCCESS;
+ }
+
+ Status = gBS->LocateProtocol (&gPerformanceProtocolGuid, NULL, (VOID **) &Performance);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (Performance != NULL);
+ //
+ // Cache performance protocol.
+ //
+ mPerformance = Performance;
+ return EFI_SUCCESS;
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Creates a record for the beginning of a performance measurement.
+
+ Creates a record that contains the Handle, Token, Module and Identifier.
+ 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.
+ @param Identifier 32-bit identifier. If the value is 0, the created record
+ is same as the one created by StartPerformanceMeasurement.
+
+ @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
+StartPerformanceMeasurementEx (
+ IN CONST VOID *Handle, OPTIONAL
+ IN CONST CHAR8 *Token, OPTIONAL
+ IN CONST CHAR8 *Module, OPTIONAL
+ IN UINT64 TimeStamp,
+ IN UINT32 Identifier
+ )
+{
+ return RETURN_SUCCESS;
+}
+
+/**
+ Fills in the end time of a performance measurement.
+
+ Looks up the record that matches Handle, Token, Module and Identifier.
+ 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.
+
+ @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.
+ @param Identifier 32-bit identifier. If the value is 0, the found record
+ is same as the one found by EndPerformanceMeasurement.
+
+ @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
+EndPerformanceMeasurementEx (
+ IN CONST VOID *Handle, OPTIONAL
+ IN CONST CHAR8 *Token, OPTIONAL
+ IN CONST CHAR8 *Module, OPTIONAL
+ IN UINT64 TimeStamp,
+ IN UINT32 Identifier
+ )
+{
+ return RETURN_SUCCESS;
+}
+
+/**
+ 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
+ )
+{
+ 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.
+
+ @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
+ )
+{
+ return RETURN_SUCCESS;
+}
+
+/**
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.
+ It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,
+ and then assign the Identifier with 0.
+
+ 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, EndTimeStamp and Identifier.
+ 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().
+ If Identifier 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 log 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.
+ @param Identifier Pointer to the 32-bit identifier that was recorded.
+
+ @return The key for the next performance log entry (in general case).
+
+**/
+UINTN
+EFIAPI
+GetByPerformanceProtocol (
+ IN UINTN LogEntryKey,
+ OUT CONST VOID **Handle,
+ OUT CONST CHAR8 **Token,
+ OUT CONST CHAR8 **Module,
+ OUT UINT64 *StartTimeStamp,
+ OUT UINT64 *EndTimeStamp,
+ OUT UINT32 *Identifier
+ )
+{
+ EFI_STATUS Status;
+ GAUGE_DATA_ENTRY_EX *GaugeData;
+
+ Status = GetPerformanceProtocol ();
+ if (EFI_ERROR (Status)) {
+ return 0;
+ }
+
+ if (mPerformanceEx != NULL) {
+ Status = mPerformanceEx->GetGaugeEx (LogEntryKey++, &GaugeData);
+ } else if (mPerformance != NULL) {
+ Status = mPerformance->GetGauge (LogEntryKey++, (GAUGE_DATA_ENTRY **) &GaugeData);
+ } else {
+ ASSERT (FALSE);
+ return 0;
+ }
+
+ //
+ // 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;
+ if (mPerformanceEx != NULL) {
+ *Identifier = GaugeData->Identifier;
+ } else {
+ *Identifier = 0;
+ }
+
+ return LogEntryKey;
+}
+
+
+/**
+ Retrieves all previous logged performance measurement.
+ Function will use SMM communicate protocol to get all previous SMM performance measurement data.
+ If success, data buffer will be returned. If fail function will return NULL.
+
+ @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 log entry.
+
+ @retval !NULL Get all gauge data success.
+ @retval NULL Get all gauge data failed.
+**/
+GAUGE_DATA_ENTRY *
+EFIAPI
+GetAllSmmGaugeData (
+ IN UINTN LogEntryKey
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMM_COMMUNICATE_HEADER *SmmCommBufferHeader;
+ SMM_PERF_COMMUNICATE *SmmPerfCommData;
+ UINTN CommSize;
+ UINTN DataSize;
+ EDKII_PI_SMM_COMMUNICATION_REGION_TABLE *PiSmmCommunicationRegionTable;
+ UINT32 Index;
+ EFI_MEMORY_DESCRIPTOR *Entry;
+ UINT8 *Buffer;
+ UINTN Size;
+ UINTN NumberOfEntries;
+ UINTN EntriesGot;
+
+ if (mNoSmmPerfHandler) {
+ //
+ // Not try to get the SMM gauge data again
+ // if no SMM Performance handler found.
+ //
+ return NULL;
+ }
+
+ if (LogEntryKey != 0) {
+ if (mGaugeData != NULL) {
+ return mGaugeData;
+ }
+ } else {
+ //
+ // Reget the SMM gauge data at the first entry get.
+ //
+ if (mGaugeData != NULL) {
+ FreePool (mGaugeData);
+ mGaugeData = NULL;
+ mGaugeNumberOfEntries = 0;
+ }
+ }
+
+ Status = GetCommunicationProtocol ();
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+
+ Status = EfiGetSystemConfigurationTable (
+ &gEdkiiPiSmmCommunicationRegionTableGuid,
+ (VOID **) &PiSmmCommunicationRegionTable
+ );
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+ ASSERT (PiSmmCommunicationRegionTable != NULL);
+ Entry = (EFI_MEMORY_DESCRIPTOR *) (PiSmmCommunicationRegionTable + 1);
+ Size = 0;
+ for (Index = 0; Index < PiSmmCommunicationRegionTable->NumberOfEntries; Index++) {
+ if (Entry->Type == EfiConventionalMemory) {
+ Size = EFI_PAGES_TO_SIZE ((UINTN) Entry->NumberOfPages);
+ if (Size >= (SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE + sizeof (GAUGE_DATA_ENTRY))) {
+ break;
+ }
+ }
+ Entry = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) Entry + PiSmmCommunicationRegionTable->DescriptorSize);
+ }
+ ASSERT (Index < PiSmmCommunicationRegionTable->NumberOfEntries);
+ mSmmPerformanceBuffer = (UINT8 *) (UINTN) Entry->PhysicalStart;
+
+ //
+ // Initialize communicate buffer
+ //
+ SmmCommBufferHeader = (EFI_SMM_COMMUNICATE_HEADER *)mSmmPerformanceBuffer;
+ SmmPerfCommData = (SMM_PERF_COMMUNICATE *)SmmCommBufferHeader->Data;
+ ZeroMem((UINT8*)SmmPerfCommData, sizeof(SMM_PERF_COMMUNICATE));
+
+ CopyGuid (&SmmCommBufferHeader->HeaderGuid, &gSmmPerformanceProtocolGuid);
+ SmmCommBufferHeader->MessageLength = sizeof(SMM_PERF_COMMUNICATE);
+ CommSize = SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;
+
+ //
+ // Get total number of SMM gauge entries
+ //
+ SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_ENTRY_NUMBER;
+ Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);
+ if (Status == EFI_NOT_FOUND) {
+ mNoSmmPerfHandler = TRUE;
+ }
+ if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus) || SmmPerfCommData->NumberOfEntries == 0) {
+ return NULL;
+ }
+
+ mGaugeNumberOfEntries = SmmPerfCommData->NumberOfEntries;
+
+ Buffer = mSmmPerformanceBuffer + SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;
+ NumberOfEntries = (Size - SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE) / sizeof (GAUGE_DATA_ENTRY);
+ DataSize = mGaugeNumberOfEntries * sizeof(GAUGE_DATA_ENTRY);
+ mGaugeData = AllocateZeroPool(DataSize);
+ ASSERT (mGaugeData != NULL);
+
+ //
+ // Get all SMM gauge data
+ //
+ SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_DATA;
+ SmmPerfCommData->GaugeData = (GAUGE_DATA_ENTRY *) Buffer;
+ EntriesGot = 0;
+ do {
+ SmmPerfCommData->LogEntryKey = EntriesGot;
+ if ((mGaugeNumberOfEntries - EntriesGot) >= NumberOfEntries) {
+ SmmPerfCommData->NumberOfEntries = NumberOfEntries;
+ } else {
+ SmmPerfCommData->NumberOfEntries = mGaugeNumberOfEntries - EntriesGot;
+ }
+ Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);
+ if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus)) {
+ FreePool (mGaugeData);
+ mGaugeData = NULL;
+ mGaugeNumberOfEntries = 0;
+ return NULL;
+ } else {
+ CopyMem (&mGaugeData[EntriesGot], Buffer, SmmPerfCommData->NumberOfEntries * sizeof (GAUGE_DATA_ENTRY));
+ }
+ EntriesGot += SmmPerfCommData->NumberOfEntries;
+ } while (EntriesGot < mGaugeNumberOfEntries);
+
+ return mGaugeData;
+}
+
+/**
+ Retrieves all previous logged performance measurement.
+ Function will use SMM communicate protocol to get all previous SMM performance measurement data.
+ If success, data buffer will be returned. If fail function will return NULL.
+
+ @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 log entry.
+
+ @retval !NULL Get all gauge data success.
+ @retval NULL Get all gauge data failed.
+**/
+GAUGE_DATA_ENTRY_EX *
+EFIAPI
+GetAllSmmGaugeDataEx (
+ IN UINTN LogEntryKey
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMM_COMMUNICATE_HEADER *SmmCommBufferHeader;
+ SMM_PERF_COMMUNICATE_EX *SmmPerfCommData;
+ UINTN CommSize;
+ UINTN DataSize;
+ EDKII_PI_SMM_COMMUNICATION_REGION_TABLE *PiSmmCommunicationRegionTable;
+ UINT32 Index;
+ EFI_MEMORY_DESCRIPTOR *Entry;
+ UINT8 *Buffer;
+ UINTN Size;
+ UINTN NumberOfEntries;
+ UINTN EntriesGot;
+
+ if (mNoSmmPerfExHandler) {
+ //
+ // Not try to get the SMM gauge data again
+ // if no SMM PerformanceEx handler found.
+ //
+ return NULL;
+ }
+
+ if (LogEntryKey != 0) {
+ if (mGaugeDataEx != NULL) {
+ return mGaugeDataEx;
+ }
+ } else {
+ //
+ // Reget the SMM gauge data at the first entry get.
+ //
+ if (mGaugeDataEx != NULL) {
+ FreePool (mGaugeDataEx);
+ mGaugeDataEx = NULL;
+ mGaugeNumberOfEntriesEx = 0;
+ }
+ }
+
+ Status = GetCommunicationProtocol ();
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+
+ Status = EfiGetSystemConfigurationTable (
+ &gEdkiiPiSmmCommunicationRegionTableGuid,
+ (VOID **) &PiSmmCommunicationRegionTable
+ );
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+ ASSERT (PiSmmCommunicationRegionTable != NULL);
+ Entry = (EFI_MEMORY_DESCRIPTOR *) (PiSmmCommunicationRegionTable + 1);
+ Size = 0;
+ for (Index = 0; Index < PiSmmCommunicationRegionTable->NumberOfEntries; Index++) {
+ if (Entry->Type == EfiConventionalMemory) {
+ Size = EFI_PAGES_TO_SIZE ((UINTN) Entry->NumberOfPages);
+ if (Size >= (SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE + sizeof (GAUGE_DATA_ENTRY_EX))) {
+ break;
+ }
+ }
+ Entry = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) Entry + PiSmmCommunicationRegionTable->DescriptorSize);
+ }
+ ASSERT (Index < PiSmmCommunicationRegionTable->NumberOfEntries);
+ mSmmPerformanceBuffer = (UINT8 *) (UINTN) Entry->PhysicalStart;
+ //
+ // Initialize communicate buffer
+ //
+ SmmCommBufferHeader = (EFI_SMM_COMMUNICATE_HEADER *)mSmmPerformanceBuffer;
+ SmmPerfCommData = (SMM_PERF_COMMUNICATE_EX *)SmmCommBufferHeader->Data;
+ ZeroMem((UINT8*)SmmPerfCommData, sizeof(SMM_PERF_COMMUNICATE_EX));
+
+ CopyGuid (&SmmCommBufferHeader->HeaderGuid, &gSmmPerformanceExProtocolGuid);
+ SmmCommBufferHeader->MessageLength = sizeof(SMM_PERF_COMMUNICATE_EX);
+ CommSize = SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;
+
+ //
+ // Get total number of SMM gauge entries
+ //
+ SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_ENTRY_NUMBER;
+ Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);
+ if (Status == EFI_NOT_FOUND) {
+ mNoSmmPerfExHandler = TRUE;
+ }
+ if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus) || SmmPerfCommData->NumberOfEntries == 0) {
+ return NULL;
+ }
+
+ mGaugeNumberOfEntriesEx = SmmPerfCommData->NumberOfEntries;
+
+ Buffer = mSmmPerformanceBuffer + SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;
+ NumberOfEntries = (Size - SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE) / sizeof (GAUGE_DATA_ENTRY_EX);
+ DataSize = mGaugeNumberOfEntriesEx * sizeof(GAUGE_DATA_ENTRY_EX);
+ mGaugeDataEx = AllocateZeroPool(DataSize);
+ ASSERT (mGaugeDataEx != NULL);
+
+ //
+ // Get all SMM gauge data
+ //
+ SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_DATA;
+ SmmPerfCommData->GaugeDataEx = (GAUGE_DATA_ENTRY_EX *) Buffer;
+ EntriesGot = 0;
+ do {
+ SmmPerfCommData->LogEntryKey = EntriesGot;
+ if ((mGaugeNumberOfEntriesEx - EntriesGot) >= NumberOfEntries) {
+ SmmPerfCommData->NumberOfEntries = NumberOfEntries;
+ } else {
+ SmmPerfCommData->NumberOfEntries = mGaugeNumberOfEntriesEx - EntriesGot;
+ }
+ Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);
+ if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus)) {
+ FreePool (mGaugeDataEx);
+ mGaugeDataEx = NULL;
+ mGaugeNumberOfEntriesEx = 0;
+ return NULL;
+ } else {
+ CopyMem (&mGaugeDataEx[EntriesGot], Buffer, SmmPerfCommData->NumberOfEntries * sizeof (GAUGE_DATA_ENTRY_EX));
+ }
+ EntriesGot += SmmPerfCommData->NumberOfEntries;
+ } while (EntriesGot < mGaugeNumberOfEntriesEx);
+
+ return mGaugeDataEx;
+}
+
+/**
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.
+ It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,
+ and then assign the Identifier with 0.
+
+ 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, EndTimeStamp and Identifier.
+ 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().
+ If Identifier 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 log 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.
+ @param Identifier Pointer to the 32-bit identifier that was recorded.
+
+ @return The key for the next performance log entry (in general case).
+
+**/
+UINTN
+EFIAPI
+GetPerformanceMeasurementEx (
+ IN UINTN LogEntryKey,
+ OUT CONST VOID **Handle,
+ OUT CONST CHAR8 **Token,
+ OUT CONST CHAR8 **Module,
+ OUT UINT64 *StartTimeStamp,
+ OUT UINT64 *EndTimeStamp,
+ OUT UINT32 *Identifier
+ )
+{
+ GAUGE_DATA_ENTRY_EX *GaugeData;
+
+ GaugeData = NULL;
+
+ ASSERT (Handle != NULL);
+ ASSERT (Token != NULL);
+ ASSERT (Module != NULL);
+ ASSERT (StartTimeStamp != NULL);
+ ASSERT (EndTimeStamp != NULL);
+ ASSERT (Identifier != NULL);
+
+ mGaugeDataEx = GetAllSmmGaugeDataEx (LogEntryKey);
+ if (mGaugeDataEx != NULL) {
+ if (LogEntryKey >= mGaugeNumberOfEntriesEx) {
+ //
+ // Try to get the data by Performance Protocol.
+ //
+ LogEntryKey = LogEntryKey - mGaugeNumberOfEntriesEx;
+ LogEntryKey = GetByPerformanceProtocol (
+ LogEntryKey,
+ Handle,
+ Token,
+ Module,
+ StartTimeStamp,
+ EndTimeStamp,
+ Identifier
+ );
+ if (LogEntryKey == 0) {
+ //
+ // Last entry.
+ //
+ return LogEntryKey;
+ } else {
+ return (LogEntryKey + mGaugeNumberOfEntriesEx);
+ }
+ }
+
+ GaugeData = &mGaugeDataEx[LogEntryKey++];
+ *Identifier = GaugeData->Identifier;
+ } else {
+ mGaugeData = GetAllSmmGaugeData (LogEntryKey);
+ if (mGaugeData != NULL) {
+ if (LogEntryKey >= mGaugeNumberOfEntries) {
+ //
+ // Try to get the data by Performance Protocol.
+ //
+ LogEntryKey = LogEntryKey - mGaugeNumberOfEntries;
+ LogEntryKey = GetByPerformanceProtocol (
+ LogEntryKey,
+ Handle,
+ Token,
+ Module,
+ StartTimeStamp,
+ EndTimeStamp,
+ Identifier
+ );
+ if (LogEntryKey == 0) {
+ //
+ // Last entry.
+ //
+ return LogEntryKey;
+ } else {
+ return (LogEntryKey + mGaugeNumberOfEntries);
+ }
+ }
+
+ GaugeData = (GAUGE_DATA_ENTRY_EX *) &mGaugeData[LogEntryKey++];
+ *Identifier = 0;
+ } else {
+ return GetByPerformanceProtocol (
+ LogEntryKey,
+ Handle,
+ Token,
+ Module,
+ StartTimeStamp,
+ EndTimeStamp,
+ Identifier
+ );
+ }
+ }
+
+ *Handle = (VOID *) (UINTN) GaugeData->Handle;
+ *Token = GaugeData->Token;
+ *Module = GaugeData->Module;
+ *StartTimeStamp = GaugeData->StartTimeStamp;
+ *EndTimeStamp = GaugeData->EndTimeStamp;
+
+ return LogEntryKey;
+}
+
+/**
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.
+ It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx,
+ and then eliminate the Identifier.
+
+ 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 log 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
+ )
+{
+ UINT32 Identifier;
+ return GetPerformanceMeasurementEx (LogEntryKey, Handle, Token, Module, StartTimeStamp, EndTimeStamp, &Identifier);
+}
+
+/**
+ 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);
+}
diff --git a/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.inf b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.inf new file mode 100644 index 0000000000..2b057704f8 --- /dev/null +++ b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.inf @@ -0,0 +1,68 @@ +## @file
+# Performance library instance used in DXE phase to dump SMM performance data.
+#
+# This library instance allows a DXE driver or UEFI application to dump both PEI/DXE and SMM performance data.
+# StartPerformanceMeasurement(), EndPerformanceMeasurement(), StartPerformanceMeasurementEx()
+# and EndPerformanceMeasurementEx() are not implemented.
+#
+# Copyright (c) 2011 - 2016, 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = DxeSmmPerformanceLib
+ MODULE_UNI_FILE = DxeSmmPerformanceLib.uni
+ FILE_GUID = DA80C15C-0B4D-4e75-8946-4043DE559B0C
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PerformanceLib|DXE_DRIVER DXE_RUNTIME_DRIVER UEFI_APPLICATION
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ DxeSmmPerformanceLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+
+[LibraryClasses]
+ BaseLib
+ UefiBootServicesTableLib
+ PcdLib
+ DebugLib
+ BaseMemoryLib
+ UefiRuntimeServicesTableLib
+ MemoryAllocationLib
+ UefiLib
+
+[Guids]
+ gPerformanceProtocolGuid ## SOMETIMES_CONSUMES ## UNDEFINED # Locate protocol
+ gPerformanceExProtocolGuid ## SOMETIMES_CONSUMES ## UNDEFINED # Locate protocol
+ gSmmPerformanceProtocolGuid ## SOMETIMES_PRODUCES ## UNDEFINED # Used to do smm communication
+ gSmmPerformanceExProtocolGuid ## SOMETIMES_PRODUCES ## UNDEFINED # Used to do smm communication
+ gEdkiiPiSmmCommunicationRegionTableGuid ## CONSUMES ## SystemTable
+
+[Protocols]
+ gEfiSmmCommunicationProtocolGuid ## CONSUMES
+
+
+[Pcd]
+ gEfiMdePkgTokenSpaceGuid.PcdPerformanceLibraryPropertyMask ## CONSUMES
+
+[Depex.common.DXE_DRIVER, Depex.common.DXE_RUNTIME_DRIVER]
+ gEfiSmmCommunicationProtocolGuid
diff --git a/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.uni b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.uni Binary files differnew file mode 100644 index 0000000000..b92de07144 --- /dev/null +++ b/Core/MdeModulePkg/Library/DxeSmmPerformanceLib/DxeSmmPerformanceLib.uni |