mirror of https://github.com/acidanthera/audk.git
202 lines
8.5 KiB
C
202 lines
8.5 KiB
C
|
/** @file
|
||
|
|
Library that provides services to measure module execution performance
|
||
|
|
|
||
|
|
Copyright (c) 2004, 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: PerformanceLib.h
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#ifndef __PERFORMANCE_LIB_H__
|
||
|
|
#define __PERFORMANCE_LIB_H__
|
||
|
|
|
||
|
|
//
|
||
|
|
// Performance library propery mask bits
|
||
|
|
//
|
||
|
|
#define PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED 0x00000001
|
||
|
|
|
||
|
|
/**
|
||
|
|
Creates a record for the beginning of a performance measurement.
|
||
|
|
|
||
|
|
Creates a record that contains the Handle, Token, and Module.
|
||
|
|
If TimeStamp is not zero, then TimeStamp is added to the record as the start time.
|
||
|
|
If TimeStamp is zero, then this function reads the current time stamp
|
||
|
|
and adds that time stamp value to the record as the start time.
|
||
|
|
|
||
|
|
@param Handle Pointer to environment specific context used
|
||
|
|
to identify the component being measured.
|
||
|
|
@param Token Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the component being measured.
|
||
|
|
@param Module Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the module being measured.
|
||
|
|
@param TimeStamp 64-bit time stamp.
|
||
|
|
|
||
|
|
@retval RETURN_SUCCESS The start of the measurement was recorded.
|
||
|
|
@retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.
|
||
|
|
|
||
|
|
**/
|
||
|
|
RETURN_STATUS
|
||
|
|
EFIAPI
|
||
|
|
StartPerformanceMeasurement (
|
||
|
|
IN CONST VOID *Handle, OPTIONAL
|
||
|
|
IN CONST CHAR8 *Token, OPTIONAL
|
||
|
|
IN CONST CHAR8 *Module, OPTIONAL
|
||
|
|
IN UINT64 TimeStamp
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Fills in the end time of a performance measurement.
|
||
|
|
|
||
|
|
Looks up the record that matches Handle, Token, and Module.
|
||
|
|
If the record can not be found then return RETURN_NOT_FOUND.
|
||
|
|
If the record is found and TimeStamp is not zero,
|
||
|
|
then TimeStamp is added to the record as the end time.
|
||
|
|
If the record is found and TimeStamp is zero, then this function reads
|
||
|
|
the current time stamp and adds that time stamp value to the record as the end time.
|
||
|
|
If this function is called multiple times for the same record, then the end time is overwritten.
|
||
|
|
|
||
|
|
@param Handle Pointer to environment specific context used
|
||
|
|
to identify the component being measured.
|
||
|
|
@param Token Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the component being measured.
|
||
|
|
@param Module Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the module being measured.
|
||
|
|
@param TimeStamp 64-bit time stamp.
|
||
|
|
|
||
|
|
@retval RETURN_SUCCESS The end of the measurement was recorded.
|
||
|
|
@retval RETURN_NOT_FOUND The specified measurement record could not be found.
|
||
|
|
|
||
|
|
**/
|
||
|
|
RETURN_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EndPerformanceMeasurement (
|
||
|
|
IN CONST VOID *Handle, OPTIONAL
|
||
|
|
IN CONST CHAR8 *Token, OPTIONAL
|
||
|
|
IN CONST CHAR8 *Module, OPTIONAL
|
||
|
|
IN UINT64 TimeStamp
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Retrieves a previously logged performance measurement.
|
||
|
|
|
||
|
|
Looks up the record that matches Handle, Token, and Module.
|
||
|
|
If the record can not be found then return RETURN_NOT_FOUND.
|
||
|
|
If the record is found then the start of the measurement is returned in StartTimeStamp,
|
||
|
|
and the end of the measurement is returned in EndTimeStamp.
|
||
|
|
|
||
|
|
@param LogEntryKey The key for the previous performance measurement log entry.
|
||
|
|
If 0, then the first performance measurement log entry is retrieved.
|
||
|
|
@param Handle Pointer to environment specific context used
|
||
|
|
to identify the component being measured.
|
||
|
|
@param Token Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the component being measured.
|
||
|
|
@param Module Pointer to a Null-terminated ASCII string
|
||
|
|
that identifies the module being measured.
|
||
|
|
@param StartTimeStamp The 64-bit time stamp that was recorded when the measurement was started.
|
||
|
|
@param EndTimeStamp The 64-bit time stamp that was recorded when the measurement was ended.
|
||
|
|
|
||
|
|
@return The key for the current performance log entry.
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EFIAPI
|
||
|
|
GetPerformanceMeasurement (
|
||
|
|
UINTN LogEntryKey,
|
||
|
|
OUT CONST VOID **Handle,
|
||
|
|
OUT CONST CHAR8 **Token,
|
||
|
|
OUT CONST CHAR8 **Module,
|
||
|
|
OUT UINT64 *StartTimeStamp,
|
||
|
|
OUT UINT64 *EndTimeStamp
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Returns TRUE if the performance measurement macros are enabled.
|
||
|
|
|
||
|
|
This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
|
||
|
|
PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.
|
||
|
|
|
||
|
|
@retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
|
||
|
|
PcdPerformanceLibraryPropertyMask is set.
|
||
|
|
@retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of
|
||
|
|
PcdPerformanceLibraryPropertyMask is clear.
|
||
|
|
|
||
|
|
**/
|
||
|
|
BOOLEAN
|
||
|
|
EFIAPI
|
||
|
|
PerformanceMeasurementEnabled (
|
||
|
|
VOID
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Macro that calls EndPerformanceMeasurement().
|
||
|
|
|
||
|
|
If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
|
||
|
|
then EndPerformanceMeasurement() is called.
|
||
|
|
|
||
|
|
**/
|
||
|
|
#define PERF_END(Handle, Token, Module, TimeStamp) \
|
||
|
|
do { \
|
||
|
|
if (PerformanceMeasurementEnabled ()) { \
|
||
|
|
EndPerformanceMeasurement (Handle, Token, Module, TimeStamp); \
|
||
|
|
} \
|
||
|
|
} while (FALSE)
|
||
|
|
|
||
|
|
/**
|
||
|
|
Macro that calls StartPerformanceMeasurement().
|
||
|
|
|
||
|
|
If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
|
||
|
|
then StartPerformanceMeasurement() is called.
|
||
|
|
|
||
|
|
**/
|
||
|
|
#define PERF_START(Handle, Token, Module, TimeStamp) \
|
||
|
|
do { \
|
||
|
|
if (PerformanceMeasurementEnabled ()) { \
|
||
|
|
StartPerformanceMeasurement (Handle, Token, Module, TimeStamp); \
|
||
|
|
} \
|
||
|
|
} while (FALSE)
|
||
|
|
|
||
|
|
/**
|
||
|
|
Macro that marks the beginning of performance measurement source code.
|
||
|
|
|
||
|
|
If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
|
||
|
|
then this macro marks the beginning of source code that is included in a module.
|
||
|
|
Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module.
|
||
|
|
|
||
|
|
**/
|
||
|
|
#define PERF_CODE_BEGIN() do { if (PerformanceMeasurementEnabled ()) { UINT8 __PerformanceCodeLocal
|
||
|
|
|
||
|
|
/**
|
||
|
|
Macro that marks the end of performance measurement source code.
|
||
|
|
|
||
|
|
If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
|
||
|
|
then this macro marks the end of source code that is included in a module.
|
||
|
|
Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module.
|
||
|
|
|
||
|
|
**/
|
||
|
|
#define PERF_CODE_END() __PerformanceCodeLocal = 0; } } while (FALSE)
|
||
|
|
|
||
|
|
/**
|
||
|
|
Macro that declares a section of performance measurement source code.
|
||
|
|
|
||
|
|
If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set,
|
||
|
|
then the source code specified by Expression is included in a module.
|
||
|
|
Otherwise, the source specified by Expression is not included in a module.
|
||
|
|
|
||
|
|
@param Expression Performance measurement source code to include in a module.
|
||
|
|
|
||
|
|
**/
|
||
|
|
#define PERF_CODE(Expression) \
|
||
|
|
PERF_CODE_BEGIN (); \
|
||
|
|
Expression \
|
||
|
|
PERF_CODE_END ()
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|