diff options
| author | AJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-04 21:01:21 +0000 |
|---|---|---|
| committer | AJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-04 21:01:21 +0000 |
| commit | 33a5a666a4c98521195d1d4137a1141e670f7e62 (patch) | |
| tree | c71e1370fcba730e38fbbce74bc9368a9e119690 /MdeModulePkg/Universal/Variable/Application/VariableInfo.c | |
| parent | dd98e32c6b5139bcf2ae5f8516490ad44adff861 (diff) | |
| download | edk2-platforms-33a5a666a4c98521195d1d4137a1141e670f7e62.tar.xz | |
Add Profiling support for Variable store and added a specialized caching algorithm
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4015 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Variable/Application/VariableInfo.c')
| -rw-r--r-- | MdeModulePkg/Universal/Variable/Application/VariableInfo.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Variable/Application/VariableInfo.c b/MdeModulePkg/Universal/Variable/Application/VariableInfo.c new file mode 100644 index 0000000000..89866266db --- /dev/null +++ b/MdeModulePkg/Universal/Variable/Application/VariableInfo.c @@ -0,0 +1,90 @@ +/** @file
+ If the Variable services have PcdVariableCollectStatistics set to TRUE then
+ the EFI system table will contain statistical information about variable usage
+ an this utility will print out the information. You can use console redirection
+ to capture the data.
+
+ Copyright (c) 2006 - 2007, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Guid/VariableInfo.h>
+
+
+/**
+ The user Entry Point for Application. The user code starts with this function
+ as the real entry point for the image goes into a library that calls this
+ function.
+
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ VARIABLE_INFO_ENTRY *VariableInfo;
+ VARIABLE_INFO_ENTRY *Entry;
+
+ Status = EfiGetSystemConfigurationTable (&gEfiVariableInfoGuid, (VOID **)&Entry);
+ if (!EFI_ERROR (Status) && (Entry != NULL)) {
+ Print (L"Non-Volatile EFI Variables:\n");
+ VariableInfo = Entry;
+ do {
+ if (!VariableInfo->Volatile) {
+ Print (
+ L"%g R%03d(%03d) W%03d D%03d:%s\n",
+ &VariableInfo->VendorGuid,
+ VariableInfo->ReadCount,
+ VariableInfo->CacheCount,
+ VariableInfo->WriteCount,
+ VariableInfo->DeleteCount,
+ VariableInfo->Name
+ );
+ }
+
+ VariableInfo = VariableInfo->Next;
+ } while (VariableInfo != NULL);
+
+ Print (L"Volatile EFI Variables:\n");
+ VariableInfo = Entry;
+ do {
+ if (VariableInfo->Volatile) {
+ Print (
+ L"%g R%03d(%03d) W%03d D%03d:%s\n",
+ &VariableInfo->VendorGuid,
+ VariableInfo->ReadCount,
+ VariableInfo->CacheCount,
+ VariableInfo->WriteCount,
+ VariableInfo->DeleteCount,
+ VariableInfo->Name
+ );
+ }
+ VariableInfo = VariableInfo->Next;
+ } while (VariableInfo != NULL);
+
+ }
+
+ return EFI_SUCCESS;
+}
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