EdkModulePkg/Include/Guid/PeiPerformanceHob.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   PeiPerformanceHob.h
  15
  16 Abstract:
  17
  18   GUIDs used for PEI Performance HOB data structures
  19
  20 --*/
  21
  22 #ifndef __PEI_PERFORMANCE_HOB_H__
  23 #define __PEI_PERFORMANCE_HOB_H__
  24
  25 //
  26 // This is the GUID of PEI performance HOB
  27 //
  28 #define PEI_PERFORMANCE_HOB_GUID \
  29   { 0xec4df5af, 0x4395, 0x4cc9, { 0x94, 0xde, 0x77, 0x50, 0x6d, 0x12, 0xc7, 0xb8 } }
  30
  31 //
  32 // PEI_PERFORMANCE_STRING_SIZE must be a multiple of 8.
  33 //
  34 #define PEI_PERFORMANCE_STRING_SIZE     8
  35 #define PEI_PERFORMANCE_STRING_LENGTH   (PEI_PERFORMANCE_STRING_SIZE - 1)
  36 //
  37 // Bugbug: This macro will be replaced by a binary patchable PCD entry in EdkModulePkg
  38 //
  39 #define MAX_PEI_PERFORMANCE_LOG_ENTRIES 28
  40
  41 typedef struct {
  42   EFI_PHYSICAL_ADDRESS  Handle;
  43   CHAR8                 Token[PEI_PERFORMANCE_STRING_SIZE];
  44   CHAR8                 Module[PEI_PERFORMANCE_STRING_SIZE];
  45   UINT64                StartTimeStamp;
  46   UINT64                EndTimeStamp;
  47 } PEI_PERFORMANCE_LOG_ENTRY;
  48
  49 //
  50 // The header must be aligned at 8 bytes.
  51 //
  52 typedef struct {
  53   UINT32                             NumberOfEntries;
  54   UINT32                             Reserved;
  55 } PEI_PERFORMANCE_LOG_HEADER;
  56
  57
  58 extern EFI_GUID gPeiPerformanceHobGuid;
  59
  60 #endif