PerformanceLib.c

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#include <Base.h>
 
#include <Library/PerformanceLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
 
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;
}
 
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;
}
 
UINTN
EFIAPI
GetPerformanceMeasurement (
  IN  UINTN        LogEntryKey,
  OUT CONST VOID   **Handle,
  OUT CONST CHAR8  **Token,
  OUT CONST CHAR8  **Module,
  OUT UINT64       *StartTimeStamp,
  OUT UINT64       *EndTimeStamp
  )
{
  ASSERT (Handle != NULL);
  ASSERT (Token != NULL);
  ASSERT (Module != NULL);
  ASSERT (StartTimeStamp != NULL);
  ASSERT (EndTimeStamp != NULL);
 
  return 0;
}
 
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;
}
 
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;
}
 
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
  )
{
  ASSERT (Handle != NULL);
  ASSERT (Token != NULL);
  ASSERT (Module != NULL);
  ASSERT (StartTimeStamp != NULL);
  ASSERT (EndTimeStamp != NULL);
  ASSERT (Identifier != NULL);
 
  return 0;
}
 
BOOLEAN
EFIAPI
PerformanceMeasurementEnabled (
  VOID
  )
{
  return (BOOLEAN)((PcdGet8 (PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);
}
 
RETURN_STATUS
EFIAPI
LogPerformanceMeasurement (
  IN CONST VOID   *CallerIdentifier OPTIONAL,
  IN CONST VOID   *Guid     OPTIONAL,
  IN CONST CHAR8  *String   OPTIONAL,
  IN UINT64       Address   OPTIONAL,
  IN UINT32       Identifier
  )
{
  return RETURN_SUCCESS;
}
 
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;
}