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/*++
Copyright (c) 2005, 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.
Module Name:
Perf.c
Abstract:
Support for Performance primatives.
--*/
#include "EfiShellLib.h"
#include EFI_PROTOCOL_DEFINITION (Performance)
EFI_PERFORMANCE_PROTOCOL *Perf = NULL;
EFI_GUID gEfiPerformanceProtocolGuid2 = EFI_PERFORMANCE_PROTOCOL_GUID;
EFI_STATUS
StartMeasure (
EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
Start to gauge on a specified handle, token and host, with Ticker as start tick.
Arguments:
Handle - Handle to measure
Token - Help info about the data
Host - Host name
Ticker - Ticker as start tick
Returns:
Status code.
--*/
{
EFI_STATUS Status;
if (!Perf) {
Status = BS->LocateProtocol (
&gEfiPerformanceProtocolGuid2,
NULL,
(VOID **) &Perf
);
if (Status != EFI_SUCCESS) {
return Status;
}
}
return (Perf->StartGauge) (Perf, Handle, Token, Host, Ticker);
}
EFI_STATUS
EndMeasure (
EFI_HANDLE Handle,
IN UINT16 *Token,
IN UINT16 *Host,
IN UINT64 Ticker
)
/*++
Routine Description:
End gauging on a specified handle, token and host, with Ticker as end tick.
Arguments:
Handle - Handle to measure
Token - Help info about the data
Host - Host name
Ticker - Ticker as end tick
Returns:
Status code.
--*/
{
EFI_STATUS Status;
if (!Perf) {
Status = BS->LocateProtocol (
&gEfiPerformanceProtocolGuid2,
NULL,
(VOID **) &Perf
);
if (Status != EFI_SUCCESS) {
return Status;
}
}
return (Perf->EndGauge) (Perf, Handle, Token, Host, Ticker);
}
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