diff options
Diffstat (limited to 'ShellPkg/Library/UefiDpLib/Dp.c')
| -rw-r--r-- | ShellPkg/Library/UefiDpLib/Dp.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/ShellPkg/Library/UefiDpLib/Dp.c b/ShellPkg/Library/UefiDpLib/Dp.c index 75c7d11dc3..444c136ab1 100644 --- a/ShellPkg/Library/UefiDpLib/Dp.c +++ b/ShellPkg/Library/UefiDpLib/Dp.c @@ -13,7 +13,7 @@ Dp uses this information to group records in different ways. It also uses
timer information to calculate elapsed time for each measurement.
- Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.
(C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -25,16 +25,10 @@ **/
#include "UefiDpLib.h"
-#include <Guid/GlobalVariable.h>
-#include <Library/PrintLib.h>
-#include <Library/HandleParsingLib.h>
-#include <Library/DevicePathLib.h>
-
#include <Library/ShellLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>
-#include <Library/TimerLib.h>
#include <Library/UefiLib.h>
#include <Guid/Performance.h>
@@ -153,8 +147,7 @@ ShellCommandRunDp ( CONST CHAR16 *CmdLineArg;
EFI_STATUS Status;
- UINT64 Freq;
- UINT64 Ticker;
+ PERFORMANCE_PROPERTY *PerformanceProperty;
UINTN Number2Display;
EFI_STRING StringPtr;
@@ -183,11 +176,6 @@ ShellCommandRunDp ( CustomCumulativeData = NULL;
ShellStatus = SHELL_SUCCESS;
- // Get DP's entry time as soon as possible.
- // This is used as the Shell-Phase end time.
- //
- Ticker = GetPerformanceCounter ();
-
//
// initialize the shell lib (we must be in non-auto-init...)
//
@@ -283,10 +271,15 @@ ShellCommandRunDp ( // StartCount = Value loaded into the counter when it starts counting
// EndCount = Value counter counts to before it needs to be reset
//
- Freq = GetPerformanceCounterProperties (&TimerInfo.StartCount, &TimerInfo.EndCount);
+ Status = EfiGetSystemConfigurationTable (&gPerformanceProtocolGuid, &PerformanceProperty);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PERF_PROPERTY_NOT_FOUND), gDpHiiHandle);
+ goto Done;
+ }
- // Convert the Frequency from Hz to KHz
- TimerInfo.Frequency = (UINT32)DivU64x32 (Freq, 1000);
+ TimerInfo.Frequency = (UINT32)DivU64x32 (PerformanceProperty->Frequency, 1000);
+ TimerInfo.StartCount = PerformanceProperty->TimerStartValue;
+ TimerInfo.EndCount = PerformanceProperty->TimerEndValue;
// Determine in which direction the performance counter counts.
TimerInfo.CountUp = (BOOLEAN) (TimerInfo.EndCount >= TimerInfo.StartCount);
@@ -362,7 +355,7 @@ ShellCommandRunDp ( } else {
//------------- Begin Cooked Mode Processing
if (TraceMode) {
- ProcessPhases ( Ticker );
+ ProcessPhases ();
if ( ! SummaryMode) {
Status = ProcessHandles ( ExcludeMode);
if (Status == EFI_ABORTED) {
|