1e354c0372
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5023 6f19259b-4bc3-4df7-8a09-765794883524
161 lines
6.3 KiB
C
161 lines
6.3 KiB
C
/** @file
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Performance protocol interfaces to support cross module performance logging.
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Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PERFORMANCE_H__
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#define __PERFORMANCE_H__
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#define PERFORMANCE_PROTOCOL_GUID \
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{ 0x76b6bdfa, 0x2acd, 0x4462, {0x9E, 0x3F, 0xcb, 0x58, 0xC9, 0x69, 0xd9, 0x37 } }
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//
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// Forward reference for pure ANSI compatability
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//
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typedef struct _PERFORMANCE_PROTOCOL PERFORMANCE_PROTOCOL;
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#define DXE_TOK "DXE"
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#define SHELL_TOK "SHELL"
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#define PEI_TOK "PEI"
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#define BDS_TOK "BDS"
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#define DRIVERBINDING_START_TOK "DriverBinding:Start"
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#define DRIVERBINDING_SUPPORT_TOK "DriverBinding:Support"
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#define START_IMAGE_TOK "StartImage"
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#define LOAD_IMAGE_TOK "LoadImage"
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//
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// DXE_PERFORMANCE_STRING_SIZE must be a multiple of 8.
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//
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#define DXE_PERFORMANCE_STRING_SIZE 32
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#define DXE_PERFORMANCE_STRING_LENGTH (DXE_PERFORMANCE_STRING_SIZE - 1)
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//
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// The default guage entries number for DXE phase.
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//
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#define INIT_DXE_GAUGE_DATA_ENTRIES 800
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typedef struct {
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EFI_PHYSICAL_ADDRESS Handle;
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CHAR8 Token[DXE_PERFORMANCE_STRING_SIZE];
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CHAR8 Module[DXE_PERFORMANCE_STRING_SIZE];
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UINT64 StartTimeStamp;
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UINT64 EndTimeStamp;
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} GAUGE_DATA_ENTRY;
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//
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// The header must be aligned at 8 bytes
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//
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typedef struct {
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UINT32 NumberOfEntries;
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UINT32 Reserved;
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} GAUGE_DATA_HEADER;
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/**
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Adds a record at the end of the performance measurement log
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that records the start time of a performance measurement.
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Adds a record to the end of the performance measurement log
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that contains the Handle, Token, and Module.
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The end time of the new record must be set to zero.
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If TimeStamp is not zero, then TimeStamp is used to fill in the start time in the record.
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If TimeStamp is zero, the start time in the record is filled in with the value
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read from the current time stamp.
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@param Handle Pointer to environment specific context used
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to identify the component being measured.
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@param Token Pointer to a Null-terminated ASCII string
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that identifies the component being measured.
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@param Module Pointer to a Null-terminated ASCII string
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that identifies the module being measured.
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@param TimeStamp 64-bit time stamp.
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@retval EFI_SUCCESS The data was read correctly from the device.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to record the measurement.
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**/
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typedef
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EFI_STATUS
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(EFIAPI * PERFORMANCE_START_GAUGE) (
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IN CONST VOID *Handle, OPTIONAL
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IN CONST CHAR8 *Token, OPTIONAL
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IN CONST CHAR8 *Module, OPTIONAL
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IN UINT64 TimeStamp
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);
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/**
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Searches the performance measurement log from the beginning of the log
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for the first matching record that contains a zero end time and fills in a valid end time.
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Searches the performance measurement log from the beginning of the log
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for the first record that matches Handle, Token, and Module and has an end time value of zero.
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If the record can not be found then return EFI_NOT_FOUND.
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If the record is found and TimeStamp is not zero,
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then the end time in the record is filled in with the value specified by TimeStamp.
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If the record is found and TimeStamp is zero, then the end time in the matching record
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is filled in with the current time stamp value.
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@param Handle Pointer to environment specific context used
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to identify the component being measured.
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@param Token Pointer to a Null-terminated ASCII string
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that identifies the component being measured.
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@param Module Pointer to a Null-terminated ASCII string
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that identifies the module being measured.
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@param TimeStamp 64-bit time stamp.
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@retval EFI_SUCCESS The end of the measurement was recorded.
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@retval EFI_NOT_FOUND The specified measurement record could not be found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI * PERFORMANCE_END_GAUGE) (
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IN CONST VOID *Handle, OPTIONAL
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IN CONST CHAR8 *Token, OPTIONAL
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IN CONST CHAR8 *Module, OPTIONAL
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IN UINT64 TimeStamp
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);
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/**
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Retrieves a previously logged performance measurement.
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Retrieves the performance log entry from the performance log specified by LogEntryKey.
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If it stands for a valid entry, then EFI_SUCCESS is returned and
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GaugeDataEntry stores the pointer to that entry.
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@param LogEntryKey The key for the previous performance measurement log entry.
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If 0, then the first performance measurement log entry is retrieved.
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@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
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if the retrieval is successful.
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@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
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@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
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@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
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@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI * PERFORMANCE_GET_GAUGE) (
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IN UINTN LogEntryKey,
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OUT GAUGE_DATA_ENTRY **GaugeDataEntry
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);
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struct _PERFORMANCE_PROTOCOL {
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PERFORMANCE_START_GAUGE StartGauge;
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PERFORMANCE_END_GAUGE EndGauge;
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PERFORMANCE_GET_GAUGE GetGauge;
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};
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extern EFI_GUID gPerformanceProtocolGuid;
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#endif
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