/** @file\r
- Performance library instance used in DXE phase to dump SMM performance data.\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 the SMM performance data.\r
- StartPerformanceMeasurement() and EndPerformanceMeasurement() are not implemented.\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, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2011 - 2016, 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
\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
-// The cached performance protocol interface.\r
-//\r
+\r
EFI_SMM_COMMUNICATION_PROTOCOL *mSmmCommunication = NULL;\r
-UINT8 mSmmPerformanceBuffer[SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE];\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 constructor function caches the pointer to SMM Communication protocol.\r
+ The function caches the pointer to SMM Communication protocol.\r
\r
- The constructor function locates Performance protocol from protocol database.\r
- It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.\r
+ The function locates SMM Communication protocol from protocol database.\r
\r
- @retval EFI_SUCCESS Performance protocol is successfully located.\r
- @retval Other Performance protocol is not located to log performance.\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
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
IN UINT64 TimeStamp\r
)\r
{\r
- return EFI_UNSUPPORTED;\r
+ return RETURN_SUCCESS;\r
}\r
\r
/**\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
- If this function is called multiple times for the same record, then the end time is overwritten.\r
\r
@param Handle Pointer to environment specific context used\r
to identify the component being measured.\r
IN UINT64 TimeStamp\r
)\r
{\r
- return EFI_UNSUPPORTED;\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 guage data failed.\r
+ @retval NULL Get all gauge data failed.\r
**/\r
-GAUGE_DATA_ENTRY*\r
+GAUGE_DATA_ENTRY *\r
EFIAPI\r
-GetAllSmmGaugeData (VOID)\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
-\r
- if (mGaugeData != NULL) {\r
- return mGaugeData;\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
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
+ 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 = OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data) + sizeof(SMM_PERF_COMMUNICATE);\r
+ CommSize = SMM_PERFORMANCE_COMMUNICATION_BUFFER_SIZE;\r
\r
//\r
- // Get totol number of SMM gauge entries\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
- ASSERT_EFI_ERROR (Status);\r
-\r
- if (EFI_ERROR (SmmPerfCommData->ReturnStatus) || SmmPerfCommData->NumberOfEntries == 0) {\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
+\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_EFI_ERROR (Status);\r
- \r
+ ASSERT (mGaugeData != NULL);\r
+\r
//\r
// Get all SMM gauge data\r
// \r
SmmPerfCommData->Function = SMM_PERF_FUNCTION_GET_GAUGE_DATA;\r
- SmmPerfCommData->LogEntryKey = 0;\r
- SmmPerfCommData->NumberOfEntries = mGaugeNumberOfEntries;\r
- SmmPerfCommData->GaugeData = mGaugeData;\r
- Status = mSmmCommunication->Communicate (mSmmCommunication, mSmmPerformanceBuffer, &CommSize);\r
- ASSERT_EFI_ERROR (Status);\r
- ASSERT_EFI_ERROR(SmmPerfCommData->ReturnStatus);\r
-\r
- return mGaugeData; \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 a previously logged performance measurement.\r
-\r
- Retrieves the performance log entry from the performance log specified by LogEntryKey.\r
- If it stands for a valid entry, then EFI_SUCCESS is returned and\r
- GaugeDataEntry stores the pointer to that entry.\r
-\r
- @param LogEntryKey The key for the previous performance measurement log entry.\r
- If 0, then the first performance measurement log entry is retrieved.\r
- @param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey\r
- if the retrieval is successful.\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
- @retval EFI_SUCCESS The GuageDataEntry is successfully found based on LogEntryKey.\r
- @retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).\r
- @retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).\r
- @retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.\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
-EFI_STATUS\r
+GAUGE_DATA_ENTRY_EX *\r
EFIAPI\r
-GetGauge (\r
- IN UINTN LogEntryKey,\r
- OUT GAUGE_DATA_ENTRY **GaugeDataEntry\r
+GetAllSmmGaugeDataEx (\r
+ IN UINTN LogEntryKey\r
)\r
{\r
- if (LogEntryKey > mGaugeNumberOfEntries) {\r
- return EFI_INVALID_PARAMETER;\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
- if (LogEntryKey == mGaugeNumberOfEntries) {\r
- return EFI_NOT_FOUND;\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
- if (GaugeDataEntry == NULL) {\r
- return EFI_INVALID_PARAMETER;\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
- *GaugeDataEntry = &mGaugeData[LogEntryKey];\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
- return EFI_SUCCESS;\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
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
+ 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
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
-GetPerformanceMeasurement (\r
- IN UINTN LogEntryKey,\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 UINT64 *EndTimeStamp,\r
+ OUT UINT32 *Identifier\r
)\r
{\r
- EFI_STATUS Status;\r
- GAUGE_DATA_ENTRY *GaugeData;\r
+ GAUGE_DATA_ENTRY_EX *GaugeData;\r
\r
GaugeData = NULL;\r
\r
ASSERT (Module != NULL);\r
ASSERT (StartTimeStamp != NULL);\r
ASSERT (EndTimeStamp != NULL);\r
-\r
- mGaugeData = GetAllSmmGaugeData();\r
- if (mGaugeData == NULL) {\r
- return 0;\r
- }\r
-\r
- Status = GetGauge (LogEntryKey++, &GaugeData);\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
+ 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
- ASSERT (GaugeData != NULL);\r
-\r
*Handle = (VOID *) (UINTN) GaugeData->Handle;\r
*Token = GaugeData->Token;\r
*Module = GaugeData->Module;\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
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