+++ /dev/null
-/** @file\r
- Performance library instance used in DXE phase to dump both PEI/DXE and SMM performance data.\r
-\r
- This library instance allows a DXE driver or UEFI application to dump both PEI/DXE and SMM performance data.\r
- StartPerformanceMeasurement(), EndPerformanceMeasurement(), StartPerformanceMeasurementEx()\r
- and EndPerformanceMeasurementEx() are not implemented.\r
-\r
- Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-\r
-#include <PiDxe.h>\r
-\r
-#include <Guid/Performance.h>\r
-\r
-#include <Library/PerformanceLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/UefiBootServicesTableLib.h>\r
-#include <Library/UefiRuntimeServicesTableLib.h>\r
-#include <Library/PcdLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
-#include <Library/BaseLib.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-\r
-#include <Protocol/SmmCommunication.h>\r
-\r
-#include <Guid/PiSmmCommunicationRegionTable.h>\r
-#include <Library/UefiLib.h>\r
-\r
-#define SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data) + sizeof (SMM_PERF_COMMUNICATE))\r
-\r
-EFI_SMM_COMMUNICATION_PROTOCOL *mSmmCommunication = NULL;\r
-UINT8 *mSmmPerformanceBuffer;\r
-GAUGE_DATA_ENTRY *mGaugeData = NULL;\r
-UINTN mGaugeNumberOfEntries = 0;\r
-GAUGE_DATA_ENTRY_EX *mGaugeDataEx = NULL;\r
-UINTN mGaugeNumberOfEntriesEx = 0;\r
-\r
-BOOLEAN mNoSmmPerfHandler = FALSE;\r
-BOOLEAN mNoSmmPerfExHandler = FALSE;\r
-\r
-//\r
-// The cached Performance Protocol and PerformanceEx Protocol interface.\r
-//\r
-PERFORMANCE_PROTOCOL *mPerformance = NULL;\r
-PERFORMANCE_EX_PROTOCOL *mPerformanceEx = NULL;\r
-\r
-/**\r
- The function caches the pointer to SMM Communication protocol.\r
-\r
- The function locates SMM Communication protocol from protocol database.\r
-\r
- @retval EFI_SUCCESS SMM Communication protocol is successfully located.\r
- @retval Other SMM Communication protocol is not located to log performance.\r
-\r
-**/\r
-EFI_STATUS\r
-GetCommunicationProtocol (\r
- VOID\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_SMM_COMMUNICATION_PROTOCOL *Communication;\r
-\r
- if (mSmmCommunication != NULL) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- Status = gBS->LocateProtocol (&gEfiSmmCommunicationProtocolGuid, NULL, (VOID **) &Communication);\r
- if (!EFI_ERROR (Status)) {\r
- ASSERT (Communication != NULL);\r
- //\r
- // Cache SMM Communication protocol.\r
- //\r
- mSmmCommunication = Communication;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- The function caches the pointers to PerformanceEx protocol and Performance Protocol.\r
-\r
- The function locates PerformanceEx protocol and Performance Protocol from protocol database.\r
-\r
- @retval EFI_SUCCESS PerformanceEx protocol or Performance Protocol is successfully located.\r
- @retval EFI_NOT_FOUND Both PerformanceEx protocol and Performance Protocol are not located to log performance.\r
-\r
-**/\r
-EFI_STATUS\r
-GetPerformanceProtocol (\r
- VOID\r
- )\r
-{\r
- EFI_STATUS Status;\r
- PERFORMANCE_PROTOCOL *Performance;\r
- PERFORMANCE_EX_PROTOCOL *PerformanceEx;\r
-\r
- if (mPerformanceEx != NULL || mPerformance != NULL) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- Status = gBS->LocateProtocol (&gPerformanceExProtocolGuid, NULL, (VOID **) &PerformanceEx);\r
- if (!EFI_ERROR (Status)) {\r
- ASSERT (PerformanceEx != NULL);\r
- //\r
- // Cache PerformanceEx Protocol.\r
- //\r
- mPerformanceEx = PerformanceEx;\r
- return EFI_SUCCESS;\r
- }\r
-\r
- Status = gBS->LocateProtocol (&gPerformanceProtocolGuid, NULL, (VOID **) &Performance);\r
- if (!EFI_ERROR (Status)) {\r
- ASSERT (Performance != NULL);\r
- //\r
- // Cache performance protocol.\r
- //\r
- mPerformance = Performance;\r
- return EFI_SUCCESS;\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- Creates a record for the beginning of a performance measurement.\r
-\r
- Creates a record that contains the Handle, Token, Module and Identifier.\r
- If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r
- If TimeStamp is zero, then this function reads the current time stamp\r
- and adds that time stamp value to the record as the start time.\r
-\r
- @param Handle Pointer to environment specific context used\r
- to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
- that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
- that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
- @param Identifier 32-bit identifier. If the value is 0, the created record\r
- is same as the one created by StartPerformanceMeasurement.\r
-\r
- @retval RETURN_SUCCESS The start of the measurement was recorded.\r
- @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-StartPerformanceMeasurementEx (\r
- IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token, OPTIONAL\r
- IN CONST CHAR8 *Module, OPTIONAL\r
- IN UINT64 TimeStamp,\r
- IN UINT32 Identifier\r
- )\r
-{\r
- return RETURN_SUCCESS;\r
-}\r
-\r
-/**\r
- Fills in the end time of a performance measurement.\r
-\r
- Looks up the record that matches Handle, Token and Module.\r
- If the record can not be found then return RETURN_NOT_FOUND.\r
- If the record is found and TimeStamp is not zero,\r
- then TimeStamp is added to the record as the end time.\r
- If the record is found and TimeStamp is zero, then this function reads\r
- the current time stamp and adds that time stamp value to the record as the end time.\r
-\r
- @param Handle Pointer to environment specific context used\r
- to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
- that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
- that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
- @param Identifier 32-bit identifier. If the value is 0, the found record\r
- is same as the one found by EndPerformanceMeasurement.\r
-\r
- @retval RETURN_SUCCESS The end of the measurement was recorded.\r
- @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-EndPerformanceMeasurementEx (\r
- IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token, OPTIONAL\r
- IN CONST CHAR8 *Module, OPTIONAL\r
- IN UINT64 TimeStamp,\r
- IN UINT32 Identifier\r
- )\r
-{\r
- return RETURN_SUCCESS;\r
-}\r
-\r
-/**\r
- Creates a record for the beginning of a performance measurement.\r
-\r
- Creates a record that contains the Handle, Token, and Module.\r
- If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r
- If TimeStamp is zero, then this function reads the current time stamp\r
- and adds that time stamp value to the record as the start time.\r
-\r
- @param Handle Pointer to environment specific context used\r
- to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
- that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
- that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
-\r
- @retval RETURN_SUCCESS The start of the measurement was recorded.\r
- @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-StartPerformanceMeasurement (\r
- IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token, OPTIONAL\r
- IN CONST CHAR8 *Module, OPTIONAL\r
- IN UINT64 TimeStamp\r
- )\r
-{\r
- return RETURN_SUCCESS;\r
-}\r
-\r
-/**\r
- Fills in the end time of a performance measurement.\r
-\r
- Looks up the record that matches Handle, Token, and Module.\r
- If the record can not be found then return RETURN_NOT_FOUND.\r
- If the record is found and TimeStamp is not zero,\r
- then TimeStamp is added to the record as the end time.\r
- If the record is found and TimeStamp is zero, then this function reads\r
- the current time stamp and adds that time stamp value to the record as the end time.\r
-\r
- @param Handle Pointer to environment specific context used\r
- to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
- that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
- that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
-\r
- @retval RETURN_SUCCESS The end of the measurement was recorded.\r
- @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-EndPerformanceMeasurement (\r
- IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token, OPTIONAL\r
- IN CONST CHAR8 *Module, OPTIONAL\r
- IN UINT64 TimeStamp\r
- )\r
-{\r
- return RETURN_SUCCESS;\r
-}\r
-\r
-/**\r
- Attempts to retrieve a performance measurement log entry from the performance measurement log.\r
- It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,\r
- and then assign the Identifier with 0.\r
-\r
- Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r
- zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r
- and the key for the second entry in the log is returned. If the performance log is empty,\r
- then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r
- log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r
- returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r
- retrieved and an implementation specific non-zero key value that specifies the end of the performance\r
- log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r
- is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r
- the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier.\r
- If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r
- If Handle is NULL, then ASSERT().\r
- If Token is NULL, then ASSERT().\r
- If Module is NULL, then ASSERT().\r
- If StartTimeStamp is NULL, then ASSERT().\r
- If EndTimeStamp is NULL, then ASSERT().\r
- If Identifier is NULL, then ASSERT().\r
-\r
- @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
- 0, then the first performance measurement log entry is retrieved.\r
- On exit, the key of the next performance log entry.\r
- @param Handle Pointer to environment specific context used to identify the component\r
- being measured.\r
- @param Token Pointer to a Null-terminated ASCII string that identifies the component\r
- being measured.\r
- @param Module Pointer to a Null-terminated ASCII string that identifies the module\r
- being measured.\r
- @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was started.\r
- @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was ended.\r
- @param Identifier Pointer to the 32-bit identifier that was recorded.\r
-\r
- @return The key for the next performance log entry (in general case).\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-GetByPerformanceProtocol (\r
- IN UINTN LogEntryKey,\r
- OUT CONST VOID **Handle,\r
- OUT CONST CHAR8 **Token,\r
- OUT CONST CHAR8 **Module,\r
- OUT UINT64 *StartTimeStamp,\r
- OUT UINT64 *EndTimeStamp,\r
- OUT UINT32 *Identifier\r
- )\r
-{\r
- EFI_STATUS Status;\r
- GAUGE_DATA_ENTRY_EX *GaugeData;\r
-\r
- Status = GetPerformanceProtocol ();\r
- if (EFI_ERROR (Status)) {\r
- return 0;\r
- }\r
-\r
- if (mPerformanceEx != NULL) {\r
- Status = mPerformanceEx->GetGaugeEx (LogEntryKey++, &GaugeData);\r
- } else if (mPerformance != NULL) {\r
- Status = mPerformance->GetGauge (LogEntryKey++, (GAUGE_DATA_ENTRY **) &GaugeData);\r
- } else {\r
- ASSERT (FALSE);\r
- return 0;\r
- }\r
-\r
- //\r
- // Make sure that LogEntryKey is a valid log entry key,\r
- //\r
- ASSERT (Status != EFI_INVALID_PARAMETER);\r
-\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // The LogEntryKey is the last entry (equals to the total entry number).\r
- //\r
- return 0;\r
- }\r
-\r
- ASSERT (GaugeData != NULL);\r
-\r
- *Handle = (VOID *) (UINTN) GaugeData->Handle;\r
- *Token = GaugeData->Token;\r
- *Module = GaugeData->Module;\r
- *StartTimeStamp = GaugeData->StartTimeStamp;\r
- *EndTimeStamp = GaugeData->EndTimeStamp;\r
- if (mPerformanceEx != NULL) {\r
- *Identifier = GaugeData->Identifier;\r
- } else {\r
- *Identifier = 0;\r
- }\r
-\r
- return LogEntryKey;\r
-}\r
-\r
-\r
-/**\r
- Retrieves all previous logged performance measurement.\r
- Function will use SMM communicate protocol to get all previous SMM performance measurement data.\r
- If success, data buffer will be returned. If fail function will return NULL.\r
-\r
- @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
- 0, then the first performance measurement log entry is retrieved.\r
- On exit, the key of the next performance log entry.\r
-\r
- @retval !NULL Get all gauge data success.\r
- @retval NULL Get all gauge data failed.\r
-**/\r
-GAUGE_DATA_ENTRY *\r
-EFIAPI\r
-GetAllSmmGaugeData (\r
- IN UINTN LogEntryKey\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_SMM_COMMUNICATE_HEADER *SmmCommBufferHeader;\r
- SMM_PERF_COMMUNICATE *SmmPerfCommData;\r
- UINTN CommSize;\r
- UINTN DataSize;\r
- EDKII_PI_SMM_COMMUNICATION_REGION_TABLE *PiSmmCommunicationRegionTable;\r
- UINT32 Index;\r
- EFI_MEMORY_DESCRIPTOR *Entry;\r
- UINT8 *Buffer;\r
- UINTN Size;\r
- UINTN NumberOfEntries;\r
- UINTN EntriesGot;\r
-\r
- if (mNoSmmPerfHandler) {\r
- //\r
- // Not try to get the SMM gauge data again\r
- // if no SMM Performance handler found.\r
- //\r
- return NULL;\r
- }\r
-\r
- if (LogEntryKey != 0) {\r
- if (mGaugeData != NULL) {\r
- return mGaugeData;\r
- }\r
- } else {\r
- //\r
- // Reget the SMM gauge data at the first entry get.\r
- //\r
- if (mGaugeData != NULL) {\r
- FreePool (mGaugeData);\r
- mGaugeData = NULL;\r
- mGaugeNumberOfEntries = 0;\r
- }\r
- }\r
-\r
- Status = GetCommunicationProtocol ();\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- Status = EfiGetSystemConfigurationTable (\r
- &gEdkiiPiSmmCommunicationRegionTableGuid,\r
- (VOID **) &PiSmmCommunicationRegionTable\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
- ASSERT (PiSmmCommunicationRegionTable != NULL);\r
- Entry = (EFI_MEMORY_DESCRIPTOR *) (PiSmmCommunicationRegionTable + 1);\r
- Size = 0;\r
- for (Index = 0; Index < PiSmmCommunicationRegionTable->NumberOfEntries; Index++) {\r
- if (Entry->Type == EfiConventionalMemory) {\r
- Size = EFI_PAGES_TO_SIZE ((UINTN) Entry->NumberOfPages);\r
- if (Size >= (SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE + sizeof (GAUGE_DATA_ENTRY))) {\r
- break;\r
- }\r
- }\r
- Entry = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) Entry + PiSmmCommunicationRegionTable->DescriptorSize);\r
- }\r
- ASSERT (Index < PiSmmCommunicationRegionTable->NumberOfEntries);\r
- mSmmPerformanceBuffer = (UINT8 *) (UINTN) Entry->PhysicalStart;\r
-\r
- //\r
- // Initialize communicate buffer\r
- //\r
- SmmCommBufferHeader = (EFI_SMM_COMMUNICATE_HEADER *)mSmmPerformanceBuffer;\r
- SmmPerfCommData = (SMM_PERF_COMMUNICATE *)SmmCommBufferHeader->Data;\r
- ZeroMem((UINT8*)SmmPerfCommData, sizeof(SMM_PERF_COMMUNICATE));\r
-\r
- CopyGuid (&SmmCommBufferHeader->HeaderGuid, &gSmmPerformanceProtocolGuid);\r
- SmmCommBufferHeader->MessageLength = sizeof(SMM_PERF_COMMUNICATE);\r
- CommSize = SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;\r
-\r
- //\r
- // Get total number of SMM gauge entries\r
- //\r
- SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_ENTRY_NUMBER;\r
- Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);\r
- if (Status == EFI_NOT_FOUND) {\r
- mNoSmmPerfHandler = TRUE;\r
- }\r
- if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus) || SmmPerfCommData->NumberOfEntries == 0) {\r
- return NULL;\r
- }\r
-\r
- mGaugeNumberOfEntries = SmmPerfCommData->NumberOfEntries;\r
-\r
- Buffer = mSmmPerformanceBuffer + SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;\r
- NumberOfEntries = (Size - SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE) / sizeof (GAUGE_DATA_ENTRY);\r
- DataSize = mGaugeNumberOfEntries * sizeof(GAUGE_DATA_ENTRY);\r
- mGaugeData = AllocateZeroPool(DataSize);\r
- ASSERT (mGaugeData != NULL);\r
-\r
- //\r
- // Get all SMM gauge data\r
- //\r
- SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_DATA;\r
- SmmPerfCommData->GaugeData = (GAUGE_DATA_ENTRY *) Buffer;\r
- EntriesGot = 0;\r
- do {\r
- SmmPerfCommData->LogEntryKey = EntriesGot;\r
- if ((mGaugeNumberOfEntries - EntriesGot) >= NumberOfEntries) {\r
- SmmPerfCommData->NumberOfEntries = NumberOfEntries;\r
- } else {\r
- SmmPerfCommData->NumberOfEntries = mGaugeNumberOfEntries - EntriesGot;\r
- }\r
- Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);\r
- if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus)) {\r
- FreePool (mGaugeData);\r
- mGaugeData = NULL;\r
- mGaugeNumberOfEntries = 0;\r
- return NULL;\r
- } else {\r
- CopyMem (&mGaugeData[EntriesGot], Buffer, SmmPerfCommData->NumberOfEntries * sizeof (GAUGE_DATA_ENTRY));\r
- }\r
- EntriesGot += SmmPerfCommData->NumberOfEntries;\r
- } while (EntriesGot < mGaugeNumberOfEntries);\r
-\r
- return mGaugeData;\r
-}\r
-\r
-/**\r
- Retrieves all previous logged performance measurement.\r
- Function will use SMM communicate protocol to get all previous SMM performance measurement data.\r
- If success, data buffer will be returned. If fail function will return NULL.\r
-\r
- @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
- 0, then the first performance measurement log entry is retrieved.\r
- On exit, the key of the next performance log entry.\r
-\r
- @retval !NULL Get all gauge data success.\r
- @retval NULL Get all gauge data failed.\r
-**/\r
-GAUGE_DATA_ENTRY_EX *\r
-EFIAPI\r
-GetAllSmmGaugeDataEx (\r
- IN UINTN LogEntryKey\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_SMM_COMMUNICATE_HEADER *SmmCommBufferHeader;\r
- SMM_PERF_COMMUNICATE_EX *SmmPerfCommData;\r
- UINTN CommSize;\r
- UINTN DataSize;\r
- EDKII_PI_SMM_COMMUNICATION_REGION_TABLE *PiSmmCommunicationRegionTable;\r
- UINT32 Index;\r
- EFI_MEMORY_DESCRIPTOR *Entry;\r
- UINT8 *Buffer;\r
- UINTN Size;\r
- UINTN NumberOfEntries;\r
- UINTN EntriesGot;\r
-\r
- if (mNoSmmPerfExHandler) {\r
- //\r
- // Not try to get the SMM gauge data again\r
- // if no SMM PerformanceEx handler found.\r
- //\r
- return NULL;\r
- }\r
-\r
- if (LogEntryKey != 0) {\r
- if (mGaugeDataEx != NULL) {\r
- return mGaugeDataEx;\r
- }\r
- } else {\r
- //\r
- // Reget the SMM gauge data at the first entry get.\r
- //\r
- if (mGaugeDataEx != NULL) {\r
- FreePool (mGaugeDataEx);\r
- mGaugeDataEx = NULL;\r
- mGaugeNumberOfEntriesEx = 0;\r
- }\r
- }\r
-\r
- Status = GetCommunicationProtocol ();\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- Status = EfiGetSystemConfigurationTable (\r
- &gEdkiiPiSmmCommunicationRegionTableGuid,\r
- (VOID **) &PiSmmCommunicationRegionTable\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
- ASSERT (PiSmmCommunicationRegionTable != NULL);\r
- Entry = (EFI_MEMORY_DESCRIPTOR *) (PiSmmCommunicationRegionTable + 1);\r
- Size = 0;\r
- for (Index = 0; Index < PiSmmCommunicationRegionTable->NumberOfEntries; Index++) {\r
- if (Entry->Type == EfiConventionalMemory) {\r
- Size = EFI_PAGES_TO_SIZE ((UINTN) Entry->NumberOfPages);\r
- if (Size >= (SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE + sizeof (GAUGE_DATA_ENTRY_EX))) {\r
- break;\r
- }\r
- }\r
- Entry = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) Entry + PiSmmCommunicationRegionTable->DescriptorSize);\r
- }\r
- ASSERT (Index < PiSmmCommunicationRegionTable->NumberOfEntries);\r
- mSmmPerformanceBuffer = (UINT8 *) (UINTN) Entry->PhysicalStart;\r
- //\r
- // Initialize communicate buffer\r
- //\r
- SmmCommBufferHeader = (EFI_SMM_COMMUNICATE_HEADER *)mSmmPerformanceBuffer;\r
- SmmPerfCommData = (SMM_PERF_COMMUNICATE_EX *)SmmCommBufferHeader->Data;\r
- ZeroMem((UINT8*)SmmPerfCommData, sizeof(SMM_PERF_COMMUNICATE_EX));\r
-\r
- CopyGuid (&SmmCommBufferHeader->HeaderGuid, &gSmmPerformanceExProtocolGuid);\r
- SmmCommBufferHeader->MessageLength = sizeof(SMM_PERF_COMMUNICATE_EX);\r
- CommSize = SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;\r
-\r
- //\r
- // Get total number of SMM gauge entries\r
- //\r
- SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_ENTRY_NUMBER;\r
- Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);\r
- if (Status == EFI_NOT_FOUND) {\r
- mNoSmmPerfExHandler = TRUE;\r
- }\r
- if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus) || SmmPerfCommData->NumberOfEntries == 0) {\r
- return NULL;\r
- }\r
-\r
- mGaugeNumberOfEntriesEx = SmmPerfCommData->NumberOfEntries;\r
-\r
- Buffer = mSmmPerformanceBuffer + SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;\r
- NumberOfEntries = (Size - SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE) / sizeof (GAUGE_DATA_ENTRY_EX);\r
- DataSize = mGaugeNumberOfEntriesEx * sizeof(GAUGE_DATA_ENTRY_EX);\r
- mGaugeDataEx = AllocateZeroPool(DataSize);\r
- ASSERT (mGaugeDataEx != NULL);\r
-\r
- //\r
- // Get all SMM gauge data\r
- //\r
- SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_DATA;\r
- SmmPerfCommData->GaugeDataEx = (GAUGE_DATA_ENTRY_EX *) Buffer;\r
- EntriesGot = 0;\r
- do {\r
- SmmPerfCommData->LogEntryKey = EntriesGot;\r
- if ((mGaugeNumberOfEntriesEx - EntriesGot) >= NumberOfEntries) {\r
- SmmPerfCommData->NumberOfEntries = NumberOfEntries;\r
- } else {\r
- SmmPerfCommData->NumberOfEntries = mGaugeNumberOfEntriesEx - EntriesGot;\r
- }\r
- Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);\r
- if (EFI_ERROR (Status) || EFI_ERROR (SmmPerfCommData->ReturnStatus)) {\r
- FreePool (mGaugeDataEx);\r
- mGaugeDataEx = NULL;\r
- mGaugeNumberOfEntriesEx = 0;\r
- return NULL;\r
- } else {\r
- CopyMem (&mGaugeDataEx[EntriesGot], Buffer, SmmPerfCommData->NumberOfEntries * sizeof (GAUGE_DATA_ENTRY_EX));\r
- }\r
- EntriesGot += SmmPerfCommData->NumberOfEntries;\r
- } while (EntriesGot < mGaugeNumberOfEntriesEx);\r
-\r
- return mGaugeDataEx;\r
-}\r
-\r
-/**\r
- Attempts to retrieve a performance measurement log entry from the performance measurement log.\r
- It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,\r
- and then assign the Identifier with 0.\r
-\r
- Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r
- zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r
- and the key for the second entry in the log is returned. If the performance log is empty,\r
- then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r
- log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r
- returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r
- retrieved and an implementation specific non-zero key value that specifies the end of the performance\r
- log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r
- is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r
- the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier.\r
- If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r
- If Handle is NULL, then ASSERT().\r
- If Token is NULL, then ASSERT().\r
- If Module is NULL, then ASSERT().\r
- If StartTimeStamp is NULL, then ASSERT().\r
- If EndTimeStamp is NULL, then ASSERT().\r
- If Identifier is NULL, then ASSERT().\r
-\r
- @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
- 0, then the first performance measurement log entry is retrieved.\r
- On exit, the key of the next performance log entry.\r
- @param Handle Pointer to environment specific context used to identify the component\r
- being measured.\r
- @param Token Pointer to a Null-terminated ASCII string that identifies the component\r
- being measured.\r
- @param Module Pointer to a Null-terminated ASCII string that identifies the module\r
- being measured.\r
- @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was started.\r
- @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was ended.\r
- @param Identifier Pointer to the 32-bit identifier that was recorded.\r
-\r
- @return The key for the next performance log entry (in general case).\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-GetPerformanceMeasurementEx (\r
- IN UINTN LogEntryKey,\r
- OUT CONST VOID **Handle,\r
- OUT CONST CHAR8 **Token,\r
- OUT CONST CHAR8 **Module,\r
- OUT UINT64 *StartTimeStamp,\r
- OUT UINT64 *EndTimeStamp,\r
- OUT UINT32 *Identifier\r
- )\r
-{\r
- GAUGE_DATA_ENTRY_EX *GaugeData;\r
-\r
- GaugeData = NULL;\r
-\r
- ASSERT (Handle != NULL);\r
- ASSERT (Token != NULL);\r
- ASSERT (Module != NULL);\r
- ASSERT (StartTimeStamp != NULL);\r
- ASSERT (EndTimeStamp != NULL);\r
- ASSERT (Identifier != NULL);\r
-\r
- mGaugeDataEx = GetAllSmmGaugeDataEx (LogEntryKey);\r
- if (mGaugeDataEx != NULL) {\r
- if (LogEntryKey >= mGaugeNumberOfEntriesEx) {\r
- //\r
- // Try to get the data by Performance Protocol.\r
- //\r
- LogEntryKey = LogEntryKey - mGaugeNumberOfEntriesEx;\r
- LogEntryKey = GetByPerformanceProtocol (\r
- LogEntryKey,\r
- Handle,\r
- Token,\r
- Module,\r
- StartTimeStamp,\r
- EndTimeStamp,\r
- Identifier\r
- );\r
- if (LogEntryKey == 0) {\r
- //\r
- // Last entry.\r
- //\r
- return LogEntryKey;\r
- } else {\r
- return (LogEntryKey + mGaugeNumberOfEntriesEx);\r
- }\r
- }\r
-\r
- GaugeData = &mGaugeDataEx[LogEntryKey++];\r
- *Identifier = GaugeData->Identifier;\r
- } else {\r
- mGaugeData = GetAllSmmGaugeData (LogEntryKey);\r
- if (mGaugeData != NULL) {\r
- if (LogEntryKey >= mGaugeNumberOfEntries) {\r
- //\r
- // Try to get the data by Performance Protocol.\r
- //\r
- LogEntryKey = LogEntryKey - mGaugeNumberOfEntries;\r
- LogEntryKey = GetByPerformanceProtocol (\r
- LogEntryKey,\r
- Handle,\r
- Token,\r
- Module,\r
- StartTimeStamp,\r
- EndTimeStamp,\r
- Identifier\r
- );\r
- if (LogEntryKey == 0) {\r
- //\r
- // Last entry.\r
- //\r
- return LogEntryKey;\r
- } else {\r
- return (LogEntryKey + mGaugeNumberOfEntries);\r
- }\r
- }\r
-\r
- GaugeData = (GAUGE_DATA_ENTRY_EX *) &mGaugeData[LogEntryKey++];\r
- *Identifier = 0;\r
- } else {\r
- return GetByPerformanceProtocol (\r
- LogEntryKey,\r
- Handle,\r
- Token,\r
- Module,\r
- StartTimeStamp,\r
- EndTimeStamp,\r
- Identifier\r
- );\r
- }\r
- }\r
-\r
- *Handle = (VOID *) (UINTN) GaugeData->Handle;\r
- *Token = GaugeData->Token;\r
- *Module = GaugeData->Module;\r
- *StartTimeStamp = GaugeData->StartTimeStamp;\r
- *EndTimeStamp = GaugeData->EndTimeStamp;\r
-\r
- return LogEntryKey;\r
-}\r
-\r
-/**\r
- Attempts to retrieve a performance measurement log entry from the performance measurement log.\r
- It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx,\r
- and then eliminate the Identifier.\r
-\r
- Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r
- zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r
- and the key for the second entry in the log is returned. If the performance log is empty,\r
- then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r
- log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r
- returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r
- retrieved and an implementation specific non-zero key value that specifies the end of the performance\r
- log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r
- is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r
- the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.\r
- If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r
- If Handle is NULL, then ASSERT().\r
- If Token is NULL, then ASSERT().\r
- If Module is NULL, then ASSERT().\r
- If StartTimeStamp is NULL, then ASSERT().\r
- If EndTimeStamp is NULL, then ASSERT().\r
-\r
- @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
- 0, then the first performance measurement log entry is retrieved.\r
- On exit, the key of the next performance log entry.\r
- @param Handle Pointer to environment specific context used to identify the component\r
- being measured.\r
- @param Token Pointer to a Null-terminated ASCII string that identifies the component\r
- being measured.\r
- @param Module Pointer to a Null-terminated ASCII string that identifies the module\r
- being measured.\r
- @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was started.\r
- @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
- was ended.\r
-\r
- @return The key for the next performance log entry (in general case).\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-GetPerformanceMeasurement (\r
- IN UINTN LogEntryKey,\r
- OUT CONST VOID **Handle,\r
- OUT CONST CHAR8 **Token,\r
- OUT CONST CHAR8 **Module,\r
- OUT UINT64 *StartTimeStamp,\r
- OUT UINT64 *EndTimeStamp\r
- )\r
-{\r
- UINT32 Identifier;\r
- return GetPerformanceMeasurementEx (LogEntryKey, Handle, Token, Module, StartTimeStamp, EndTimeStamp, &Identifier);\r
-}\r
-\r
-/**\r
- Returns TRUE if the performance measurement macros are enabled.\r
-\r
- This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
- PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.\r
-\r
- @retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
- PcdPerformanceLibraryPropertyMask is set.\r
- @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
- PcdPerformanceLibraryPropertyMask is clear.\r
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-PerformanceMeasurementEnabled (\r
- VOID\r
- )\r
-{\r
- return (BOOLEAN) ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);\r
-}\r
projects / mirror_edk2.git / commitdiff