+++ /dev/null
-/** @file\r
- If the Variable services have PcdVariableCollectStatistics set to TRUE then \r
- this utility will print out the statistics information. You can use console \r
- redirection to capture the data.\r
- \r
-Copyright (c) 2009 - 2011, 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
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include <Uefi.h>\r
-#include <Library/UefiLib.h>\r
-#include <Library/UefiApplicationEntryPoint.h>\r
-#include <Library/BaseMemoryLib.h>\r
-\r
-#include <Library/BaseLib.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/UefiBootServicesTableLib.h>\r
-\r
-#include <Guid/AuthenticatedVariableFormat.h>\r
-#include <Guid/SmmVariableCommon.h>\r
-#include <Protocol/SmmCommunication.h>\r
-#include <Protocol/SmmVariable.h>\r
-\r
-extern EFI_GUID gEfiVariableGuid;\r
-EFI_SMM_COMMUNICATION_PROTOCOL *mSmmCommunication = NULL;\r
-\r
-/**\r
-\r
- This function get the variable statistics data from SMM variable driver. \r
-\r
- @param[in, out] SmmCommunicateHeader In input, a pointer to a collection of data that will\r
- be passed into an SMM environment. In output, a pointer \r
- to a collection of data that comes from an SMM environment.\r
- @param[in, out] SmmCommunicateSize The size of the SmmCommunicateHeader.\r
- \r
- @retval EFI_SUCCESS Get the statistics data information.\r
- @retval EFI_NOT_FOUND Not found.\r
- @retval EFI_BUFFER_TO_SMALL DataSize is too small for the result.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-GetVariableStatisticsData (\r
- IN OUT EFI_SMM_COMMUNICATE_HEADER *SmmCommunicateHeader,\r
- IN OUT UINTN *SmmCommunicateSize\r
- )\r
-{\r
- EFI_STATUS Status;\r
- SMM_VARIABLE_COMMUNICATE_HEADER *SmmVariableFunctionHeader;\r
-\r
- CopyGuid (&SmmCommunicateHeader->HeaderGuid, &gEfiSmmVariableProtocolGuid);\r
- SmmCommunicateHeader->MessageLength = *SmmCommunicateSize - OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);\r
-\r
- SmmVariableFunctionHeader = (SMM_VARIABLE_COMMUNICATE_HEADER *) &SmmCommunicateHeader->Data[0];\r
- SmmVariableFunctionHeader->Function = SMM_VARIABLE_FUNCTION_GET_STATISTICS;\r
- \r
- Status = mSmmCommunication->Communicate (mSmmCommunication, SmmCommunicateHeader, SmmCommunicateSize);\r
- ASSERT_EFI_ERROR (Status);\r
- \r
- Status = SmmVariableFunctionHeader->ReturnStatus; \r
- return Status;\r
-}\r
-\r
-\r
-/**\r
-\r
- This function get and print the variable statistics data from SMM variable driver. \r
- \r
- @retval EFI_SUCCESS Print the statistics information successfully.\r
- @retval EFI_NOT_FOUND Not found the statistics information.\r
-\r
-**/\r
-EFI_STATUS\r
-PrintInfoFromSmm (\r
- VOID \r
- )\r
-{\r
- EFI_STATUS Status;\r
- VARIABLE_INFO_ENTRY *VariableInfo;\r
- EFI_SMM_COMMUNICATE_HEADER *CommBuffer;\r
- UINTN RealCommSize;\r
- UINTN CommSize;\r
- SMM_VARIABLE_COMMUNICATE_HEADER *FunctionHeader;\r
- EFI_SMM_VARIABLE_PROTOCOL *Smmvariable;\r
- \r
-\r
- Status = gBS->LocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID **) &Smmvariable);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->LocateProtocol (&gEfiSmmCommunicationProtocolGuid, NULL, (VOID **) &mSmmCommunication);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- } \r
-\r
- CommSize = SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;\r
- RealCommSize = CommSize;\r
- CommBuffer = AllocateZeroPool (CommSize);\r
- ASSERT (CommBuffer != NULL);\r
- \r
- Print (L"Non-Volatile SMM Variables:\n");\r
- do {\r
- Status = GetVariableStatisticsData (CommBuffer, &CommSize);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- FreePool (CommBuffer);\r
- CommBuffer = AllocateZeroPool (CommSize);\r
- ASSERT (CommBuffer != NULL);\r
- RealCommSize = CommSize;\r
- Status = GetVariableStatisticsData (CommBuffer, &CommSize);\r
- }\r
-\r
- if (EFI_ERROR (Status) || (CommSize <= SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE)) { \r
- break;\r
- }\r
-\r
- if (CommSize < RealCommSize) {\r
- CommSize = RealCommSize;\r
- }\r
-\r
- FunctionHeader = (SMM_VARIABLE_COMMUNICATE_HEADER *) CommBuffer->Data;\r
- VariableInfo = (VARIABLE_INFO_ENTRY *) FunctionHeader->Data;\r
-\r
- if (!VariableInfo->Volatile) {\r
- Print (\r
- L"%g R%03d(%03d) W%03d D%03d:%s\n", \r
- &VariableInfo->VendorGuid, \r
- VariableInfo->ReadCount,\r
- VariableInfo->CacheCount,\r
- VariableInfo->WriteCount,\r
- VariableInfo->DeleteCount,\r
- (CHAR16 *)(VariableInfo + 1)\r
- );\r
- }\r
- } while (TRUE);\r
- \r
- Print (L"Volatile SMM Variables:\n");\r
- ZeroMem (CommBuffer, CommSize);\r
- do {\r
- Status = GetVariableStatisticsData (CommBuffer, &CommSize);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- FreePool (CommBuffer);\r
- CommBuffer = AllocateZeroPool (CommSize);\r
- ASSERT (CommBuffer != NULL);\r
- RealCommSize = CommSize;\r
- Status = GetVariableStatisticsData (CommBuffer, &CommSize);\r
- }\r
-\r
- if (EFI_ERROR (Status) || (CommSize <= SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE)) { \r
- break;\r
- }\r
-\r
- if (CommSize < RealCommSize) {\r
- CommSize = RealCommSize;\r
- }\r
-\r
- FunctionHeader = (SMM_VARIABLE_COMMUNICATE_HEADER *) CommBuffer->Data;\r
- VariableInfo = (VARIABLE_INFO_ENTRY *) FunctionHeader->Data;\r
-\r
- if (VariableInfo->Volatile) {\r
- Print (\r
- L"%g R%03d(%03d) W%03d D%03d:%s\n", \r
- &VariableInfo->VendorGuid, \r
- VariableInfo->ReadCount,\r
- VariableInfo->CacheCount,\r
- VariableInfo->WriteCount,\r
- VariableInfo->DeleteCount,\r
- (CHAR16 *)(VariableInfo + 1)\r
- );\r
- }\r
- } while (TRUE);\r
-\r
- FreePool (CommBuffer); \r
- return Status;\r
-}\r
-\r
-/**\r
- The user Entry Point for Application. The user code starts with this function\r
- as the real entry point for the image goes into a library that calls this \r
- function.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The entry point is executed successfully.\r
- @retval other Some error occurs when executing this entry point.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-UefiMain (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- VARIABLE_INFO_ENTRY *VariableInfo;\r
- VARIABLE_INFO_ENTRY *Entry;\r
-\r
- Status = EfiGetSystemConfigurationTable (&gEfiVariableGuid, (VOID **)&Entry);\r
- if (EFI_ERROR (Status) || (Entry == NULL)) {\r
- Status = EfiGetSystemConfigurationTable (&gEfiAuthenticatedVariableGuid, (VOID **)&Entry);\r
- }\r
-\r
- if (EFI_ERROR (Status) || (Entry == NULL)) {\r
- Status = PrintInfoFromSmm ();\r
- if (!EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- } \r
-\r
- if (!EFI_ERROR (Status) && (Entry != NULL)) {\r
- Print (L"Non-Volatile EFI Variables:\n");\r
- VariableInfo = Entry;\r
- do {\r
- if (!VariableInfo->Volatile) {\r
- Print (\r
- L"%g R%03d(%03d) W%03d D%03d:%s\n", \r
- &VariableInfo->VendorGuid, \r
- VariableInfo->ReadCount,\r
- VariableInfo->CacheCount,\r
- VariableInfo->WriteCount,\r
- VariableInfo->DeleteCount,\r
- VariableInfo->Name\r
- );\r
- }\r
-\r
- VariableInfo = VariableInfo->Next;\r
- } while (VariableInfo != NULL);\r
-\r
- Print (L"Volatile EFI Variables:\n");\r
- VariableInfo = Entry;\r
- do {\r
- if (VariableInfo->Volatile) {\r
- Print (\r
- L"%g R%03d(%03d) W%03d D%03d:%s\n", \r
- &VariableInfo->VendorGuid, \r
- VariableInfo->ReadCount,\r
- VariableInfo->CacheCount,\r
- VariableInfo->WriteCount,\r
- VariableInfo->DeleteCount,\r
- VariableInfo->Name\r
- );\r
- }\r
- VariableInfo = VariableInfo->Next;\r
- } while (VariableInfo != NULL);\r
-\r
- } else {\r
- Print (L"Warning: Variable Dxe driver doesn't enable the feature of statistical information!\n");\r
- Print (L"If you want to see this info, please:\n");\r
- Print (L" 1. Set PcdVariableCollectStatistics as TRUE\n");\r
- Print (L" 2. Rebuild Variable Dxe driver\n");\r
- Print (L" 3. Run \"VariableInfo\" cmd again\n");\r
- }\r
-\r
- return Status;\r
-}\r
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