MdeModulePkg/Include/Guid/PeiPerformanceHob.h

   1 /** @file
   2   This file defines performance guid for the performance entry in the HOB list,
   3   and define the PEI Performance HOB data structures.
   4
   5 Copyright (c) 2006 - 2008, Intel Corporation. <BR>
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __PEI_PERFORMANCE_HOB_H__
  17 #define __PEI_PERFORMANCE_HOB_H__
  18
  19 //
  20 // This is the GUID of PEI performance HOB
  21 //
  22 #define PEI_PERFORMANCE_HOB_GUID \
  23   { 0xec4df5af, 0x4395, 0x4cc9, { 0x94, 0xde, 0x77, 0x50, 0x6d, 0x12, 0xc7, 0xb8 } }
  24
  25 //
  26 // PEI_PERFORMANCE_STRING_SIZE must be a multiple of 8.
  27 //
  28 #define PEI_PERFORMANCE_STRING_SIZE     8
  29 #define PEI_PERFORMANCE_STRING_LENGTH   (PEI_PERFORMANCE_STRING_SIZE - 1)
  30
  31 typedef struct {
  32   EFI_PHYSICAL_ADDRESS  Handle;
  33   CHAR8                 Token[PEI_PERFORMANCE_STRING_SIZE];   /// Measured token string name
  34   CHAR8                 Module[PEI_PERFORMANCE_STRING_SIZE];  /// Module string name
  35   UINT64                StartTimeStamp;                       /// Start time point
  36   UINT64                EndTimeStamp;                         /// End time point
  37 } PEI_PERFORMANCE_LOG_ENTRY;
  38
  39 //
  40 // The header must be aligned at 8 bytes.
  41 //
  42 typedef struct {
  43   UINT32                NumberOfEntries;  /// The number of all performance log entries
  44   UINT32                Reserved;
  45 } PEI_PERFORMANCE_LOG_HEADER;
  46
  47
  48 extern EFI_GUID gPeiPerformanceHobGuid;
  49
  50 #endif