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1. Log performance data below 4G 

2. Reuse the allocated data region if it's already allocated

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9072 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2009-08-14 05:58:46 +00:00
parent cd6a3b157c
commit 02c9c47027
1 changed files with 29 additions and 25 deletions
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54
IntelFrameworkModulePkg/Library/GenericBdsLib/Performance.c
View File

@ -3,7 +3,7 @@
performance, all the function will only include if the performance
switch is set.
Copyright (c) 2004 - 2008, Intel Corporation. <BR>
Copyright (c) 2004 - 2009, Intel Corporation. <BR>
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
@ -18,6 +18,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
PERF_HEADER mPerfHeader;
PERF_DATA mPerfData;
EFI_PHYSICAL_ADDRESS mAcpiLowMemoryBase = 0x0FFFFFFFFULL;
/**
Get the short verion of PDB file name to be
@ -144,7 +145,6 @@ WriteBootToOsPerformanceData (
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase;
UINT32 AcpiLowMemoryLength;
UINT32 LimitCount;
EFI_HANDLE *Handles;
@ -187,25 +187,6 @@ WriteBootToOsPerformanceData (
CountUp = FALSE;
}
AcpiLowMemoryLength = 0x2000;
//
// Allocate a block of memory that contain performance data to OS
//
Status = gBS->AllocatePages (
AllocateAnyPages,
EfiReservedMemoryType,
EFI_SIZE_TO_PAGES (AcpiLowMemoryLength),
&AcpiLowMemoryBase
);
if (EFI_ERROR (Status)) {
return ;
}
Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (PERF_HEADER));
LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
//
// Put Detailed performance data into memory
//
@ -218,9 +199,32 @@ WriteBootToOsPerformanceData (
&Handles
);
if (EFI_ERROR (Status)) {
gBS->FreePages (AcpiLowMemoryBase, 1);
return ;
}
AcpiLowMemoryLength = 0x4000;
if (mAcpiLowMemoryBase == 0x0FFFFFFFF) {
//
// Allocate a block of memory that contain performance data to OS
//
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
EFI_SIZE_TO_PAGES (AcpiLowMemoryLength),
&mAcpiLowMemoryBase
);
if (EFI_ERROR (Status)) {
FreePool (Handles);
return ;
}
}
Ptr = (UINT8 *) ((UINT32) mAcpiLowMemoryBase + sizeof (PERF_HEADER));
LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
//
// Get DXE drivers performance
@ -296,10 +300,10 @@ Done:
mPerfHeader.Signiture = PERFORMANCE_SIGNATURE;
//
// Put performance data to ACPI memory
// Put performance data to Reserved memory
//
CopyMem (
(UINTN *) (UINTN) AcpiLowMemoryBase,
(UINTN *) (UINTN) mAcpiLowMemoryBase,
&mPerfHeader,
sizeof (PERF_HEADER)
);
@ -309,7 +313,7 @@ Done:
&gPerformanceProtocolGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof (EFI_PHYSICAL_ADDRESS),
&AcpiLowMemoryBase
&mAcpiLowMemoryBase
);
return ;