PeiPerformanceLib.c

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#include <PiPei.h>
 
#include <Guid/ExtendedFirmwarePerformance.h>
#include <Guid/PerformanceMeasurement.h>
 
#include <Library/PerformanceLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseMemoryLib.h>
 
#define  STRING_SIZE          (FPDT_STRING_EVENT_RECORD_NAME_LENGTH * sizeof (CHAR8))
#define  PEI_MAX_RECORD_SIZE  (sizeof (FPDT_DUAL_GUID_STRING_EVENT_RECORD) + STRING_SIZE)
 
EFI_STATUS
GetFpdtRecordPtr (
  IN     UINT8                     RecordSize,
  IN OUT FPDT_RECORD_PTR           *FpdtRecordPtr,
  IN OUT FPDT_PEI_EXT_PERF_HEADER  **PeiPerformanceLogHeader
  )
{
  UINT16             PeiPerformanceLogEntries;
  UINTN              PeiPerformanceSize;
  UINT8              *PeiFirmwarePerformance;
  EFI_HOB_GUID_TYPE  *GuidHob;
 
  //
  // Get the number of PeiPerformanceLogEntries form PCD.
  //
  PeiPerformanceLogEntries = (UINT16)(PcdGet16 (PcdMaxPeiPerformanceLogEntries16) != 0 ?
                                      PcdGet16 (PcdMaxPeiPerformanceLogEntries16) :
                                      PcdGet8 (PcdMaxPeiPerformanceLogEntries));
 
  //
  // Create GUID HOB Data.
  //
  GuidHob                = GetFirstGuidHob (&gEdkiiFpdtExtendedFirmwarePerformanceGuid);
  PeiFirmwarePerformance = NULL;
  while (GuidHob != NULL) {
    //
    // PEI Performance HOB was found, then return the existing one.
    //
    PeiFirmwarePerformance   = (UINT8 *)GET_GUID_HOB_DATA (GuidHob);
    *PeiPerformanceLogHeader = (FPDT_PEI_EXT_PERF_HEADER *)PeiFirmwarePerformance;
    if (!(*PeiPerformanceLogHeader)->HobIsFull && ((*PeiPerformanceLogHeader)->SizeOfAllEntries + RecordSize > (PeiPerformanceLogEntries * PEI_MAX_RECORD_SIZE))) {
      (*PeiPerformanceLogHeader)->HobIsFull = TRUE;
    }
 
    if (!(*PeiPerformanceLogHeader)->HobIsFull && ((*PeiPerformanceLogHeader)->SizeOfAllEntries + RecordSize <= (PeiPerformanceLogEntries * PEI_MAX_RECORD_SIZE))) {
      FpdtRecordPtr->RecordHeader = (EFI_ACPI_5_0_FPDT_PERFORMANCE_RECORD_HEADER *)(PeiFirmwarePerformance + sizeof (FPDT_PEI_EXT_PERF_HEADER) + (*PeiPerformanceLogHeader)->SizeOfAllEntries);
      break;
    }
 
    //
    // Previous HOB is used, then find next one.
    //
    GuidHob = GetNextGuidHob (&gEdkiiFpdtExtendedFirmwarePerformanceGuid, GET_NEXT_HOB (GuidHob));
  }
 
  if (GuidHob == NULL) {
    //
    // PEI Performance HOB was not found, then build one.
    //
    PeiPerformanceSize = sizeof (FPDT_PEI_EXT_PERF_HEADER) +
                         PEI_MAX_RECORD_SIZE * PeiPerformanceLogEntries;
    PeiFirmwarePerformance = (UINT8 *)BuildGuidHob (&gEdkiiFpdtExtendedFirmwarePerformanceGuid, PeiPerformanceSize);
    if (PeiFirmwarePerformance != NULL) {
      ZeroMem (PeiFirmwarePerformance, PeiPerformanceSize);
      (*PeiPerformanceLogHeader)  = (FPDT_PEI_EXT_PERF_HEADER *)PeiFirmwarePerformance;
      FpdtRecordPtr->RecordHeader = (EFI_ACPI_5_0_FPDT_PERFORMANCE_RECORD_HEADER *)(PeiFirmwarePerformance + sizeof (FPDT_PEI_EXT_PERF_HEADER));
    }
  }
 
  if (PeiFirmwarePerformance == NULL) {
    //
    // there is no enough resource to store performance data
    //
    return EFI_OUT_OF_RESOURCES;
  }
 
  return EFI_SUCCESS;
}
 
BOOLEAN
IsKnownTokens (
  IN CONST CHAR8  *Token
  )
{
  if (Token == NULL) {
    return FALSE;
  }
 
  if ((AsciiStrCmp (Token, SEC_TOK) == 0) ||
      (AsciiStrCmp (Token, PEI_TOK) == 0) ||
      (AsciiStrCmp (Token, DXE_TOK) == 0) ||
      (AsciiStrCmp (Token, BDS_TOK) == 0) ||
      (AsciiStrCmp (Token, DRIVERBINDING_START_TOK) == 0) ||
      (AsciiStrCmp (Token, DRIVERBINDING_SUPPORT_TOK) == 0) ||
      (AsciiStrCmp (Token, DRIVERBINDING_STOP_TOK) == 0) ||
      (AsciiStrCmp (Token, LOAD_IMAGE_TOK) == 0) ||
      (AsciiStrCmp (Token, START_IMAGE_TOK) == 0) ||
      (AsciiStrCmp (Token, PEIM_TOK) == 0))
  {
    return TRUE;
  } else {
    return FALSE;
  }
}
 
BOOLEAN
IsKnownID (
  IN UINT32  Identifier
  )
{
  if ((Identifier == MODULE_START_ID) ||
      (Identifier == MODULE_END_ID) ||
      (Identifier == MODULE_LOADIMAGE_START_ID) ||
      (Identifier == MODULE_LOADIMAGE_END_ID) ||
      (Identifier == MODULE_DB_START_ID) ||
      (Identifier == MODULE_DB_END_ID) ||
      (Identifier == MODULE_DB_SUPPORT_START_ID) ||
      (Identifier == MODULE_DB_SUPPORT_END_ID) ||
      (Identifier == MODULE_DB_STOP_START_ID) ||
      (Identifier == MODULE_DB_STOP_END_ID))
  {
    return TRUE;
  } else {
    return FALSE;
  }
}
 
EFI_STATUS
GetFpdtRecordId (
  IN BOOLEAN      Attribute,
  IN CONST VOID   *Handle,
  IN CONST CHAR8  *String,
  OUT UINT16      *ProgressID
  )
{
  //
  // Get the ProgressID based on the Token.
  // When PcdEdkiiFpdtStringRecordEnableOnly is TRUE, all records are with type of FPDT_DYNAMIC_STRING_EVENT_TYPE.
  //
  if (String != NULL) {
    if (AsciiStrCmp (String, LOAD_IMAGE_TOK) == 0) {
      // "LoadImage:"
      if (Attribute == PerfStartEntry) {
        *ProgressID = MODULE_LOADIMAGE_START_ID;
      } else {
        *ProgressID = MODULE_LOADIMAGE_END_ID;
      }
    } else if ((AsciiStrCmp (String, SEC_TOK) == 0) ||             // "SEC"
               (AsciiStrCmp (String, PEI_TOK) == 0))               // "PEI"
    {
      if (Attribute == PerfStartEntry) {
        *ProgressID = PERF_CROSSMODULE_START_ID;
      } else {
        *ProgressID = PERF_CROSSMODULE_END_ID;
      }
    } else if (AsciiStrCmp (String, PEIM_TOK) == 0) {
      // "PEIM"
      if (Attribute == PerfStartEntry) {
        *ProgressID = MODULE_START_ID;
      } else {
        *ProgressID = MODULE_END_ID;
      }
    } else {
      // Pref used in Modules.
      if (Attribute == PerfStartEntry) {
        *ProgressID = PERF_INMODULE_START_ID;
      } else {
        *ProgressID = PERF_INMODULE_END_ID;
      }
    }
  } else if (Handle != NULL) {
    // Pref used in Modules.
    if (Attribute == PerfStartEntry) {
      *ProgressID = PERF_INMODULE_START_ID;
    } else {
      *ProgressID = PERF_INMODULE_END_ID;
    }
  } else {
    return EFI_INVALID_PARAMETER;
  }
 
  return EFI_SUCCESS;
}
 
VOID
CopyStringIntoPerfRecordAndUpdateLength (
  IN OUT CHAR8        *Destination,
  IN     CONST CHAR8  *Source,
  IN OUT UINT8        *Length
  )
{
  UINTN  StringLen;
  UINTN  DestMax;
 
  ASSERT (Source != NULL);
 
  if (PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
    DestMax = STRING_SIZE;
  } else {
    DestMax = AsciiStrSize (Source);
    if (DestMax > STRING_SIZE) {
      DestMax = STRING_SIZE;
    }
  }
 
  StringLen = AsciiStrLen (Source);
  if (StringLen >= DestMax) {
    StringLen = DestMax -1;
  }
 
  AsciiStrnCpyS (Destination, DestMax, Source, StringLen);
  *Length += (UINT8)DestMax;
 
  return;
}
 
EFI_STATUS
InsertFpdtRecord (
  IN CONST VOID                        *CallerIdentifier   OPTIONAL,
  IN CONST VOID                        *Guid     OPTIONAL,
  IN CONST CHAR8                       *String   OPTIONAL,
  IN       UINT64                      Ticker,
  IN       UINT64                      Address   OPTIONAL,
  IN       UINT16                      PerfId,
  IN       PERF_MEASUREMENT_ATTRIBUTE  Attribute
  )
{
  FPDT_RECORD_PTR           FpdtRecordPtr;
  CONST VOID                *ModuleGuid;
  CONST CHAR8               *StringPtr;
  EFI_STATUS                Status;
  UINT64                    TimeStamp;
  FPDT_PEI_EXT_PERF_HEADER  *PeiPerformanceLogHeader;
 
  StringPtr                  = NULL;
  FpdtRecordPtr.RecordHeader = NULL;
  PeiPerformanceLogHeader    = NULL;
 
  //
  // 1. Get the Perf Id for records from PERF_START/PERF_END, PERF_START_EX/PERF_END_EX.
  //    notes: For other Perf macros (Attribute == PerfEntry), their Id is known.
  //
  if (Attribute != PerfEntry) {
    //
    // If PERF_START_EX()/PERF_END_EX() have specified the ProgressID,it has high priority.
    // !!! Note: If the Perf is not the known Token used in the core but have same
    // ID with the core Token, this case will not be supported.
    // And in currtnt usage mode, for the unkown ID, there is a general rule:
    // If it is start pref: the lower 4 bits of the ID should be 0.
    // If it is end pref: the lower 4 bits of the ID should not be 0.
    // If input ID doesn't follow the rule, we will adjust it.
    //
    if ((PerfId != 0) && (IsKnownID (PerfId)) && (!IsKnownTokens (String))) {
      return EFI_UNSUPPORTED;
    } else if ((PerfId != 0) && (!IsKnownID (PerfId)) && (!IsKnownTokens (String))) {
      if ((Attribute == PerfStartEntry) && ((PerfId & 0x000F) != 0)) {
        PerfId &= 0xFFF0;
      } else if ((Attribute == PerfEndEntry) && ((PerfId & 0x000F) == 0)) {
        PerfId += 1;
      }
    } else if (PerfId == 0) {
      Status = GetFpdtRecordId (Attribute, CallerIdentifier, String, &PerfId);
      if (EFI_ERROR (Status)) {
        return Status;
      }
    }
  }
 
  //
  // 2. Get the buffer to store the FPDT record.
  //
  Status = GetFpdtRecordPtr (PEI_MAX_RECORD_SIZE, &FpdtRecordPtr, &PeiPerformanceLogHeader);
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  //
  // 3 Get the TimeStamp.
  //
  if (Ticker == 0) {
    Ticker    = GetPerformanceCounter ();
    TimeStamp = GetTimeInNanoSecond (Ticker);
  } else if (Ticker == 1) {
    TimeStamp = 0;
  } else {
    TimeStamp = GetTimeInNanoSecond (Ticker);
  }
 
  //
  // 4.Get the ModuleGuid.
  //
  if (CallerIdentifier != NULL) {
    ModuleGuid = CallerIdentifier;
  } else {
    ModuleGuid = &gEfiCallerIdGuid;
  }
 
  //
  // 5. Fill in the FPDT record according to different Performance Identifier.
  //
  switch (PerfId) {
    case MODULE_START_ID:
    case MODULE_END_ID:
      StringPtr = PEIM_TOK;
      if (!PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
        FpdtRecordPtr.GuidEvent->Header.Type     = FPDT_GUID_EVENT_TYPE;
        FpdtRecordPtr.GuidEvent->Header.Length   = sizeof (FPDT_GUID_EVENT_RECORD);
        FpdtRecordPtr.GuidEvent->Header.Revision = FPDT_RECORD_REVISION_1;
        FpdtRecordPtr.GuidEvent->ProgressID      = PerfId;
        FpdtRecordPtr.GuidEvent->Timestamp       = TimeStamp;
        CopyMem (&FpdtRecordPtr.GuidEvent->Guid, ModuleGuid, sizeof (EFI_GUID));
      }
 
      break;
 
    case MODULE_LOADIMAGE_START_ID:
    case MODULE_LOADIMAGE_END_ID:
      StringPtr = LOAD_IMAGE_TOK;
      if (!PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
        FpdtRecordPtr.GuidQwordEvent->Header.Type     = FPDT_GUID_QWORD_EVENT_TYPE;
        FpdtRecordPtr.GuidQwordEvent->Header.Length   = sizeof (FPDT_GUID_QWORD_EVENT_RECORD);
        FpdtRecordPtr.GuidQwordEvent->Header.Revision = FPDT_RECORD_REVISION_1;
        FpdtRecordPtr.GuidQwordEvent->ProgressID      = PerfId;
        FpdtRecordPtr.GuidQwordEvent->Timestamp       = TimeStamp;
        if (PerfId == MODULE_LOADIMAGE_START_ID) {
          PeiPerformanceLogHeader->LoadImageCount++;
        }
 
        FpdtRecordPtr.GuidQwordEvent->Qword = PeiPerformanceLogHeader->LoadImageCount;
        CopyMem (&FpdtRecordPtr.GuidQwordEvent->Guid, ModuleGuid, sizeof (EFI_GUID));
      }
 
      break;
 
    case PERF_EVENTSIGNAL_START_ID:
    case PERF_EVENTSIGNAL_END_ID:
    case PERF_CALLBACK_START_ID:
    case PERF_CALLBACK_END_ID:
      if ((String == NULL) || (Guid == NULL)) {
        return EFI_INVALID_PARAMETER;
      }
 
      StringPtr = String;
      if (AsciiStrLen (String) == 0) {
        StringPtr = "unknown name";
      }
 
      if (!PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
        FpdtRecordPtr.DualGuidStringEvent->Header.Type     = FPDT_DUAL_GUID_STRING_EVENT_TYPE;
        FpdtRecordPtr.DualGuidStringEvent->Header.Length   = sizeof (FPDT_DUAL_GUID_STRING_EVENT_RECORD);
        FpdtRecordPtr.DualGuidStringEvent->Header.Revision = FPDT_RECORD_REVISION_1;
        FpdtRecordPtr.DualGuidStringEvent->ProgressID      = PerfId;
        FpdtRecordPtr.DualGuidStringEvent->Timestamp       = TimeStamp;
        CopyMem (&FpdtRecordPtr.DualGuidStringEvent->Guid1, ModuleGuid, sizeof (FpdtRecordPtr.DualGuidStringEvent->Guid1));
        CopyMem (&FpdtRecordPtr.DualGuidStringEvent->Guid2, Guid, sizeof (FpdtRecordPtr.DualGuidStringEvent->Guid2));
        CopyStringIntoPerfRecordAndUpdateLength (FpdtRecordPtr.DualGuidStringEvent->String, StringPtr, &FpdtRecordPtr.DualGuidStringEvent->Header.Length);
      }
 
      break;
 
    case PERF_EVENT_ID:
    case PERF_FUNCTION_START_ID:
    case PERF_FUNCTION_END_ID:
    case PERF_INMODULE_START_ID:
    case PERF_INMODULE_END_ID:
    case PERF_CROSSMODULE_START_ID:
    case PERF_CROSSMODULE_END_ID:
      if ((String != NULL) && (AsciiStrLen (String) != 0)) {
        StringPtr = String;
      } else {
        StringPtr = "unknown name";
      }
 
      if (!PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
        FpdtRecordPtr.DynamicStringEvent->Header.Type     = FPDT_DYNAMIC_STRING_EVENT_TYPE;
        FpdtRecordPtr.DynamicStringEvent->Header.Length   = sizeof (FPDT_DYNAMIC_STRING_EVENT_RECORD);
        FpdtRecordPtr.DynamicStringEvent->Header.Revision = FPDT_RECORD_REVISION_1;
        FpdtRecordPtr.DynamicStringEvent->ProgressID      = PerfId;
        FpdtRecordPtr.DynamicStringEvent->Timestamp       = TimeStamp;
        CopyMem (&FpdtRecordPtr.DynamicStringEvent->Guid, ModuleGuid, sizeof (EFI_GUID));
        CopyStringIntoPerfRecordAndUpdateLength (FpdtRecordPtr.DynamicStringEvent->String, StringPtr, &FpdtRecordPtr.DynamicStringEvent->Header.Length);
      }
 
      break;
 
    default:
      if (Attribute != PerfEntry) {
        if ((String != NULL) && (AsciiStrLen (String) != 0)) {
          StringPtr = String;
        } else {
          StringPtr = "unknown name";
        }
 
        if (!PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
          FpdtRecordPtr.DynamicStringEvent->Header.Type     = FPDT_DYNAMIC_STRING_EVENT_TYPE;
          FpdtRecordPtr.DynamicStringEvent->Header.Length   = sizeof (FPDT_DYNAMIC_STRING_EVENT_RECORD);
          FpdtRecordPtr.DynamicStringEvent->Header.Revision = FPDT_RECORD_REVISION_1;
          FpdtRecordPtr.DynamicStringEvent->ProgressID      = PerfId;
          FpdtRecordPtr.DynamicStringEvent->Timestamp       = TimeStamp;
          CopyMem (&FpdtRecordPtr.DynamicStringEvent->Guid, ModuleGuid, sizeof (FpdtRecordPtr.DynamicStringEvent->Guid));
          CopyStringIntoPerfRecordAndUpdateLength (FpdtRecordPtr.DynamicStringEvent->String, StringPtr, &FpdtRecordPtr.DynamicStringEvent->Header.Length);
        }
      } else {
        return EFI_INVALID_PARAMETER;
      }
 
      break;
  }
 
  //
  // 5.2 When PcdEdkiiFpdtStringRecordEnableOnly==TRUE, create string record for all Perf entries.
  //
  if (PcdGetBool (PcdEdkiiFpdtStringRecordEnableOnly)) {
    FpdtRecordPtr.DynamicStringEvent->Header.Type     = FPDT_DYNAMIC_STRING_EVENT_TYPE;
    FpdtRecordPtr.DynamicStringEvent->Header.Length   = sizeof (FPDT_DYNAMIC_STRING_EVENT_RECORD);
    FpdtRecordPtr.DynamicStringEvent->Header.Revision = FPDT_RECORD_REVISION_1;
    FpdtRecordPtr.DynamicStringEvent->ProgressID      = PerfId;
    FpdtRecordPtr.DynamicStringEvent->Timestamp       = TimeStamp;
    if (Guid != NULL) {
      //
      // Cache the event guid in string event record.
      //
      CopyMem (&FpdtRecordPtr.DynamicStringEvent->Guid, Guid, sizeof (EFI_GUID));
    } else {
      CopyMem (&FpdtRecordPtr.DynamicStringEvent->Guid, ModuleGuid, sizeof (EFI_GUID));
    }
 
    CopyStringIntoPerfRecordAndUpdateLength (FpdtRecordPtr.DynamicStringEvent->String, StringPtr, &FpdtRecordPtr.DynamicStringEvent->Header.Length);
  }
 
  //
  // 6. Update the length of the used buffer after fill in the record.
  //
  PeiPerformanceLogHeader->SizeOfAllEntries += FpdtRecordPtr.RecordHeader->Length;
 
  return EFI_SUCCESS;
}
 
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
  )
{
  CONST CHAR8  *String;
 
  if (Token != NULL) {
    String = Token;
  } else if (Module != NULL) {
    String = Module;
  } else {
    String = NULL;
  }
 
  return (RETURN_STATUS)InsertFpdtRecord (Handle, NULL, String, TimeStamp, 0, (UINT16)Identifier, PerfStartEntry);
}
 
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
  )
{
  CONST CHAR8  *String;
 
  if (Token != NULL) {
    String = Token;
  } else if (Module != NULL) {
    String = Module;
  } else {
    String = NULL;
  }
 
  return (RETURN_STATUS)InsertFpdtRecord (Handle, NULL, String, TimeStamp, 0, (UINT16)Identifier, PerfEndEntry);
}
 
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
  )
{
  return 0;
}
 
RETURN_STATUS
EFIAPI
StartPerformanceMeasurement (
  IN CONST VOID   *Handle   OPTIONAL,
  IN CONST CHAR8  *Token    OPTIONAL,
  IN CONST CHAR8  *Module   OPTIONAL,
  IN UINT64       TimeStamp
  )
{
  return StartPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, 0);
}
 
RETURN_STATUS
EFIAPI
EndPerformanceMeasurement (
  IN CONST VOID   *Handle   OPTIONAL,
  IN CONST CHAR8  *Token    OPTIONAL,
  IN CONST CHAR8  *Module   OPTIONAL,
  IN UINT64       TimeStamp
  )
{
  return EndPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, 0);
}
 
UINTN
EFIAPI
GetPerformanceMeasurement (
  IN  UINTN        LogEntryKey,
  OUT CONST VOID   **Handle,
  OUT CONST CHAR8  **Token,
  OUT CONST CHAR8  **Module,
  OUT UINT64       *StartTimeStamp,
  OUT UINT64       *EndTimeStamp
  )
{
  return 0;
}
 
BOOLEAN
EFIAPI
PerformanceMeasurementEnabled (
  VOID
  )
{
  return (BOOLEAN)((PcdGet8 (PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);
}
 
RETURN_STATUS
EFIAPI
LogPerformanceMeasurement (
  IN CONST VOID   *CallerIdentifier,
  IN CONST VOID   *Guid     OPTIONAL,
  IN CONST CHAR8  *String   OPTIONAL,
  IN UINT64       Address  OPTIONAL,
  IN UINT32       Identifier
  )
{
  return (RETURN_STATUS)InsertFpdtRecord (CallerIdentifier, Guid, String, 0, Address, (UINT16)Identifier, PerfEntry);
}
 
BOOLEAN
EFIAPI
LogPerformanceMeasurementEnabled (
  IN  CONST UINTN  Type
  )
{
  //
  // When Performance measurement is enabled and the type is not filtered, the performance can be logged.
  //
  if (PerformanceMeasurementEnabled () && ((PcdGet8 (PcdPerformanceLibraryPropertyMask) & Type) == 0)) {
    return TRUE;
  }
 
  return FALSE;
}