1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*++
Copyright (c) 2006, 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:
Performance.h
Abstract:
--*/
#ifndef __PERFORMANCE_H_
#define __PERFORMANCE_H_
#define PERFORMANCE_PROTOCOL_GUID \
{ 0x76b6bdfa, 0x2acd, 0x4462, {0x9E, 0x3F, 0xcb, 0x58, 0xC9, 0x69, 0xd9, 0x37 } }
//
// Forward reference for pure ANSI compatability
//
typedef struct _PERFORMANCE_PROTOCOL PERFORMANCE_PROTOCOL;
#define DXE_TOK "DXE"
#define SHELL_TOK "SHELL"
#define PEI_TOK "PEI"
#define BDS_TOK "BDS"
#define DRIVERBINDING_START_TOK "DriverBinding:Start"
#define DRIVERBINDING_SUPPORT_TOK "DriverBinding:Support"
#define START_IMAGE_TOK "StartImage"
#define LOAD_IMAGE_TOK "LoadImage"
//
// DXE_PERFORMANCE_STRING_SIZE must be a multiple of 8.
//
#define DXE_PERFORMANCE_STRING_SIZE 32
#define DXE_PERFORMANCE_STRING_LENGTH (DXE_PERFORMANCE_STRING_SIZE - 1)
//
// The default guage entries number for DXE phase.
//
#define INIT_DXE_GAUGE_DATA_ENTRIES 800
typedef struct {
EFI_PHYSICAL_ADDRESS Handle;
CHAR8 Token[DXE_PERFORMANCE_STRING_SIZE];
CHAR8 Module[DXE_PERFORMANCE_STRING_SIZE];
UINT64 StartTimeStamp;
UINT64 EndTimeStamp;
} GAUGE_DATA_ENTRY;
//
// The header must be aligned at 8 bytes
//
typedef struct {
UINT32 NumberOfEntries;
UINT32 Reserved;
} GAUGE_DATA_HEADER;
/**
Adds a record at the end of the performance measurement log
that records the start time of a performance measurement.
Adds a record to the end of the performance measurement log
that contains the Handle, Token, and Module.
The end time of the new record must be set to zero.
If TimeStamp is not zero, then TimeStamp is used to fill in the start time in the record.
If TimeStamp is zero, the start time in the record is filled in with the value
read from the current time stamp.
@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 EFI_SUCCESS The data was read correctly from the device.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to record the measurement.
**/
typedef
EFI_STATUS
(EFIAPI * PERFORMANCE_START_GAUGE) (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
);
/**
Searches the performance measurement log from the beginning of the log
for the first matching record that contains a zero end time and fills in a valid end time.
Searches the performance measurement log from the beginning of the log
for the first record that matches Handle, Token, and Module and has an end time value of zero.
If the record can not be found then return EFI_NOT_FOUND.
If the record is found and TimeStamp is not zero,
then the end time in the record is filled in with the value specified by TimeStamp.
If the record is found and TimeStamp is zero, then the end time in the matching record
is filled in with the current time stamp value.
@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 EFI_SUCCESS The end of the measurement was recorded.
@retval EFI_NOT_FOUND The specified measurement record could not be found.
**/
typedef
EFI_STATUS
(EFIAPI * PERFORMANCE_END_GAUGE) (
IN CONST VOID *Handle, OPTIONAL
IN CONST CHAR8 *Token, OPTIONAL
IN CONST CHAR8 *Module, OPTIONAL
IN UINT64 TimeStamp
);
/**
Retrieves a previously logged performance measurement.
Retrieves the performance log entry from the performance log specified by LogEntryKey.
If it stands for a valid entry, then EFI_SUCCESS is returned and
GaugeDataEntry stores the pointer to that entry.
@param LogEntryKey The key for the previous performance measurement log entry.
If 0, then the first performance measurement log entry is retrieved.
@param GaugeDataEntry The indirect pointer to the gauge data entry specified by LogEntryKey
if the retrieval is successful.
@retval EFI_SUCCESS The GuageDataEntry is successfuly found based on LogEntryKey.
@retval EFI_NOT_FOUND The LogEntryKey is the last entry (equals to the total entry number).
@retval EFI_INVALIDE_PARAMETER The LogEntryKey is not a valid entry (greater than the total entry number).
@retval EFI_INVALIDE_PARAMETER GaugeDataEntry is NULL.
**/
typedef
EFI_STATUS
(EFIAPI * PERFORMANCE_GET_GAUGE) (
IN UINTN LogEntryKey,
OUT GAUGE_DATA_ENTRY **GaugeDataEntry
);
struct _PERFORMANCE_PROTOCOL {
PERFORMANCE_START_GAUGE StartGauge;
PERFORMANCE_END_GAUGE EndGauge;
PERFORMANCE_GET_GAUGE GetGauge;
};
extern EFI_GUID gPerformanceProtocolGuid;
#endif
|
