1 | /* |
2 | * Copyright (c) 2010 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #ifndef _IOKIT_STATISTICS_H |
30 | #define _IOKIT_STATISTICS_H |
31 | |
32 | #define IOSTATISTICS_SIG 'IOST' |
33 | #define IOSTATISTICS_SIG_USERCLIENT 'IOSU' |
34 | #define IOSTATISTICS_SIG_WORKLOOP 'IOSW' |
35 | |
36 | /* Update when the binary format changes */ |
37 | #define IOSTATISTICS_VER 0x2 |
38 | |
39 | enum { |
40 | kIOStatisticsDriverNameLength = 64, |
41 | kIOStatisticsClassNameLength = 64, |
42 | kIOStatisticsProcessNameLength = 20 |
43 | }; |
44 | |
45 | enum { |
46 | kIOStatisticsDerivedEventSourceCounter = 0, |
47 | kIOStatisticsTimerEventSourceCounter, |
48 | kIOStatisticsCommandGateCounter, |
49 | kIOStatisticsCommandQueueCounter, |
50 | kIOStatisticsInterruptEventSourceCounter, |
51 | kIOStatisticsFilterInterruptEventSourceCounter |
52 | }; |
53 | |
54 | typedef uint32_t IOStatisticsCounterType; |
55 | |
56 | enum { |
57 | kIOStatisticsGeneral = 0, |
58 | kIOStatisticsWorkLoop, |
59 | kIOStatisticsUserClient |
60 | }; |
61 | |
62 | /* Keep our alignments as intended */ |
63 | |
64 | #pragma pack(4) |
65 | |
66 | /* Event Counters */ |
67 | |
68 | typedef struct IOStatisticsInterruptEventSources { |
69 | uint32_t created; |
70 | uint32_t produced; |
71 | uint32_t checksForWork; |
72 | } IOStatisticsInterruptEventSources; |
73 | |
74 | typedef struct IOStatisticsTimerEventSources { |
75 | uint32_t created; |
76 | uint32_t openGateCalls; |
77 | uint32_t closeGateCalls; |
78 | uint64_t timeOnGate; |
79 | uint32_t timeouts; |
80 | uint32_t checksForWork; |
81 | } IOStatisticsTimerEventSources; |
82 | |
83 | typedef struct IOStatisticsDerivedEventSources { |
84 | uint32_t created; |
85 | uint32_t openGateCalls; |
86 | uint32_t closeGateCalls; |
87 | uint64_t timeOnGate; |
88 | } IOStatisticsDerivedEventSources; |
89 | |
90 | typedef struct IOStatisticsCommandGates { |
91 | uint32_t created; |
92 | uint32_t openGateCalls; |
93 | uint32_t closeGateCalls; |
94 | uint64_t timeOnGate; |
95 | uint32_t actionCalls; |
96 | } IOStatisticsCommandGates; |
97 | |
98 | typedef struct IOStatisticsCommandQueues { |
99 | uint32_t created; |
100 | uint32_t actionCalls; |
101 | } IOStatisticsCommandQueues; |
102 | |
103 | typedef struct IOStatisticsUserClients { |
104 | uint32_t created; |
105 | uint32_t clientCalls; |
106 | } IOStatisticsUserClients; |
107 | |
108 | /* General mode */ |
109 | |
110 | typedef struct { |
111 | uint32_t ; /* 'IOST' */ |
112 | uint32_t ; /* incremented with every data revision */ |
113 | |
114 | uint32_t ; /* sequence ID */ |
115 | |
116 | uint32_t ; |
117 | uint32_t ; |
118 | uint32_t ; |
119 | uint32_t ; |
120 | uint32_t ; |
121 | uint32_t ; |
122 | uint32_t ; |
123 | |
124 | /* struct IOStatisticsGlobal */ |
125 | /* struct IOStatisticsKext */ |
126 | /* struct IOStatisticsMemory */ |
127 | /* struct IOStatisticsClass */ |
128 | /* struct IOStatisticsCounter */ |
129 | /* struct IOStatisticsKextIdentifier */ |
130 | /* struct IOStatisticsClassName */ |
131 | } ; |
132 | |
133 | typedef struct IOStatisticsGlobal { |
134 | uint32_t kextCount; |
135 | uint32_t classCount; |
136 | uint32_t workloops; |
137 | } IOStatisticsGlobal; |
138 | |
139 | typedef struct IOStatisticsKext { |
140 | uint32_t loadTag; |
141 | uint32_t loadSize; |
142 | uint32_t wiredSize; |
143 | uint32_t classes; /* Number of classes owned */ |
144 | uint32_t classIndexes[]; /* Variable length array of owned class indexes */ |
145 | } IOStatisticsKext; |
146 | |
147 | typedef struct IOStatisticsMemory { |
148 | uint32_t allocatedSize; |
149 | uint32_t freedSize; |
150 | uint32_t allocatedAlignedSize; |
151 | uint32_t freedAlignedSize; |
152 | uint32_t allocatedContiguousSize; |
153 | uint32_t freedContiguousSize; |
154 | uint32_t allocatedPageableSize; |
155 | uint32_t freedPageableSize; |
156 | } IOStatisticsMemory; |
157 | |
158 | typedef struct IOStatisticsClass { |
159 | uint32_t classID; |
160 | uint32_t superClassID; |
161 | uint32_t classSize; |
162 | } IOStatisticsClass; |
163 | |
164 | typedef struct IOStatisticsCounter { |
165 | uint32_t classID; |
166 | uint32_t classInstanceCount; |
167 | struct IOStatisticsUserClients userClientStatistics; |
168 | struct IOStatisticsInterruptEventSources interruptEventSourceStatistics; |
169 | struct IOStatisticsInterruptEventSources filterInterruptEventSourceStatistics; |
170 | struct IOStatisticsTimerEventSources timerEventSourceStatistics; |
171 | struct IOStatisticsCommandGates commandGateStatistics; |
172 | struct IOStatisticsCommandQueues commandQueueStatistics; |
173 | struct IOStatisticsDerivedEventSources derivedEventSourceStatistics; |
174 | } IOStatisticsCounter; |
175 | |
176 | typedef struct IOStatisticsKextIdentifier { |
177 | char identifier[kIOStatisticsDriverNameLength]; |
178 | } IOStatisticsKextIdentifier; |
179 | |
180 | typedef struct IOStatisticsClassName { |
181 | char name[kIOStatisticsClassNameLength]; |
182 | } IOStatisticsClassName; |
183 | |
184 | /* WorkLoop mode */ |
185 | |
186 | typedef struct IOStatisticsWorkLoop { |
187 | uint32_t attachedEventSources; |
188 | uint64_t timeOnGate; |
189 | uint32_t kextLoadTag; |
190 | uint32_t dependentKexts; |
191 | uint32_t dependentKextLoadTags[]; |
192 | } IOStatisticsWorkLoop; |
193 | |
194 | typedef struct { |
195 | uint32_t ; /* 'IOSW */ |
196 | uint32_t ; /* incremented with every data revision */ |
197 | uint32_t ; /* sequence ID */ |
198 | uint32_t ; |
199 | struct IOStatisticsWorkLoop ; |
200 | } ; |
201 | |
202 | /* UserClient mode */ |
203 | |
204 | typedef struct IOStatisticsUserClientCall { |
205 | char processName[kIOStatisticsProcessNameLength]; |
206 | int32_t pid; |
207 | uint32_t calls; |
208 | } IOStatisticsUserClientCall; |
209 | |
210 | typedef struct { |
211 | uint32_t ; /* 'IOSU */ |
212 | uint32_t ; /* incremented with every data revision */ |
213 | uint32_t ; /* sequence ID */ |
214 | uint32_t ; |
215 | struct IOStatisticsUserClientCall []; |
216 | } ; |
217 | |
218 | #pragma pack() |
219 | |
220 | #endif /* _IOKIT_STATISTICS_H */ |
221 | |