449cb9d7 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Xiangxiu Yang |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
fcdf0ec2 |
19 | #ifndef LTT_PRIVATE_H |
20 | #define LTT_PRIVATE_H |
21 | |
858bd80a |
22 | #include <glib.h> |
cbd41522 |
23 | #include <sys/types.h> |
fcdf0ec2 |
24 | #include <ltt/ltt.h> |
e3247aa5 |
25 | |
cbd41522 |
26 | #define LTT_PACKED_STRUCT __attribute__ ((packed)) |
27 | |
e3247aa5 |
28 | /* enumeration definition */ |
29 | |
30 | typedef enum _BuildinEvent{ |
31 | TRACE_FACILITY_LOAD = 0, |
32 | TRACE_BLOCK_START = 17, |
33 | TRACE_BLOCK_END = 18, |
0d7aac52 |
34 | TRACE_TIME_HEARTBEAT= 19 |
e3247aa5 |
35 | } BuildinEvent; |
fcdf0ec2 |
36 | |
7c6b3cd7 |
37 | |
38 | /* structure definition */ |
39 | |
e3247aa5 |
40 | typedef struct _FacilityLoad{ |
41 | char * name; |
42 | LttChecksum checksum; |
cbd41522 |
43 | guint32 base_code; |
e3247aa5 |
44 | } LTT_PACKED_STRUCT FacilityLoad; |
45 | |
46 | typedef struct _BlockStart { |
47 | LttTime time; //Time stamp of this block |
48 | LttCycleCount cycle_count; //cycle count of the event |
cbd41522 |
49 | guint32 block_id; //block id |
e3247aa5 |
50 | } LTT_PACKED_STRUCT BlockStart; |
51 | |
52 | typedef struct _BlockEnd { |
53 | LttTime time; //Time stamp of this block |
54 | LttCycleCount cycle_count; //cycle count of the event |
cbd41522 |
55 | guint32 block_id; //block id |
e3247aa5 |
56 | } LTT_PACKED_STRUCT BlockEnd; |
57 | |
58 | typedef struct _TimeHeartbeat { |
59 | LttTime time; //Time stamp of this block |
60 | LttCycleCount cycle_count; //cycle count of the event |
61 | } LTT_PACKED_STRUCT TimeHeartbeat; |
62 | |
63 | |
64 | struct _LttType{ |
0d7aac52 |
65 | char * type_name; //type name if it is a named type |
66 | char * element_name; //elements name of the struct |
7c6b3cd7 |
67 | char * fmt; |
8d1e6362 |
68 | unsigned int size; |
e3247aa5 |
69 | LttTypeEnum type_class; //which type |
70 | char ** enum_strings; //for enum labels |
71 | struct _LttType ** element_type; //for array, sequence and struct |
72 | unsigned element_number; //the number of elements |
73 | //for enum, array, sequence and structure |
7c6b3cd7 |
74 | }; |
75 | |
e3247aa5 |
76 | struct _LttEventType{ |
7c6b3cd7 |
77 | char * name; |
78 | char * description; |
e3247aa5 |
79 | int index; //id of the event type within the facility |
80 | LttFacility * facility; //the facility that contains the event type |
81 | LttField * root_field; //root field |
8d1e6362 |
82 | unsigned int latest_block; //the latest block using the event type |
83 | unsigned int latest_event; //the latest event using the event type |
7c6b3cd7 |
84 | }; |
85 | |
c02ea99f |
86 | struct _LttEvent{ |
87 | guint16 event_id; |
88 | guint32 time_delta; |
89 | LttTime event_time; |
90 | LttCycleCount event_cycle_count; |
91 | LttTracefile * tracefile; |
92 | void * data; //event data |
8d1e6362 |
93 | unsigned int which_block; //the current block of the event |
94 | unsigned int which_event; //the position of the event |
c02ea99f |
95 | /* This is a workaround for fast position seek */ |
96 | void * last_event_pos; |
97 | |
98 | LttTime prev_block_end_time; //the end time of previous block |
99 | LttTime prev_event_time; //the time of the previous event |
100 | LttCycleCount pre_cycle_count; //previous cycle count of the event |
101 | int count; //the number of overflow of cycle count |
102 | /* end of workaround */ |
103 | }; |
104 | |
105 | |
e3247aa5 |
106 | struct _LttField{ |
7c6b3cd7 |
107 | unsigned field_pos; //field position within its parent |
e3247aa5 |
108 | LttType * field_type; //field type, if it is root field |
7c6b3cd7 |
109 | //then it must be struct type |
110 | |
111 | off_t offset_root; //offset from the root, -1:uninitialized |
112 | short fixed_root; //offset fixed according to the root |
113 | //-1:uninitialized, 0:unfixed, 1:fixed |
114 | off_t offset_parent; //offset from the parent,-1:uninitialized |
115 | short fixed_parent; //offset fixed according to its parent |
116 | //-1:uninitialized, 0:unfixed, 1:fixed |
117 | // void * base_address; //base address of the field ???? |
118 | |
119 | int field_size; //>0: size of the field, |
120 | //0 : uncertain |
121 | //-1: uninitialize |
0d7aac52 |
122 | int sequ_number_size; //the size of unsigned used to save the |
123 | //number of elements in the sequence |
124 | |
7c6b3cd7 |
125 | int element_size; //the element size of the sequence |
126 | int field_fixed; //0: field has string or sequence |
127 | //1: field has no string or sequenc |
128 | //-1: uninitialize |
129 | |
e3247aa5 |
130 | struct _LttField * parent; |
131 | struct _LttField ** child; //for array, sequence and struct: |
7c6b3cd7 |
132 | //list of fields, it may have only one |
133 | //field if the element is not a struct |
134 | unsigned current_element; //which element is currently processed |
135 | }; |
136 | |
7c6b3cd7 |
137 | |
e3247aa5 |
138 | struct _LttFacility{ |
7c6b3cd7 |
139 | char * name; //facility name |
8d1e6362 |
140 | unsigned int event_number; //number of events in the facility |
e3247aa5 |
141 | LttChecksum checksum; //checksum of the facility |
cbd41522 |
142 | guint32 base_id; //base id of the facility |
e3247aa5 |
143 | LttEventType ** events; //array of event types |
36921b4e |
144 | LttType ** named_types; |
8d1e6362 |
145 | unsigned int named_types_number; |
7c6b3cd7 |
146 | }; |
147 | |
e3247aa5 |
148 | struct _LttTracefile{ |
149 | char * name; //tracefile name |
150 | LttTrace * trace; //trace containing the tracefile |
151 | int fd; //file descriptor |
152 | off_t file_size; //file size |
153 | unsigned block_size; //block_size |
8d1e6362 |
154 | unsigned int block_number; //number of blocks in the file |
155 | unsigned int which_block; //which block the current block is |
156 | unsigned int which_event; //which event of the current block |
e3247aa5 |
157 | //is currently processed |
158 | LttTime current_event_time; //time of the current event |
159 | BlockStart * a_block_start; //block start of the block |
160 | BlockEnd * a_block_end; //block end of the block |
161 | void * cur_event_pos; //the position of the current event |
162 | void * buffer; //the buffer containing the block |
163 | double cycle_per_nsec; //Cycles per nsec |
164 | unsigned cur_heart_beat_number; //current number of heart beat in the buf |
fb1a869e |
165 | LttCycleCount cur_cycle_count; //current cycle count of the event |
e37c1372 |
166 | void * last_event_pos; |
e3247aa5 |
167 | |
168 | LttTime prev_block_end_time; //the end time of previous block |
169 | LttTime prev_event_time; //the time of the previous event |
dd691a2e |
170 | LttCycleCount pre_cycle_count; //previous cycle count of the event |
8d1e6362 |
171 | unsigned int count; //the number of overflow of cycle count |
7c6b3cd7 |
172 | }; |
173 | |
e3247aa5 |
174 | struct _LttTrace{ |
175 | char * pathname; //the pathname of the trace |
176 | guint facility_number; //the number of facilities |
177 | guint control_tracefile_number; //the number of control files |
178 | guint per_cpu_tracefile_number; //the number of per cpu files |
179 | LttSystemDescription * system_description;//system description |
80da81ad |
180 | |
e3247aa5 |
181 | GPtrArray *control_tracefiles; //array of control tracefiles |
182 | GPtrArray *per_cpu_tracefiles; //array of per cpu tracefiles |
183 | GPtrArray *facilities; //array of facilities |
184 | LttArchSize my_arch_size; //data size of the local machine |
185 | LttArchEndian my_arch_endian; //endian type of the local machine |
186 | }; |
7c6b3cd7 |
187 | |
80da81ad |
188 | struct _LttEventPosition{ |
189 | unsigned block_num; //block which contains the event |
190 | unsigned event_num; //event index in the block |
191 | unsigned event_offset; //event position in the block |
192 | LttTime event_time; //the time of the event |
193 | LttCycleCount event_cycle_count; //the cycle count of the event |
194 | unsigned heart_beat_number; //current number of heart beats |
fb1a869e |
195 | LttTracefile *tf; //tracefile containing the event |
80da81ad |
196 | gboolean old_position; //flag to show if it is the position |
197 | //being remembered |
18206708 |
198 | /* This is a workaround for fast position seek */ |
199 | void * last_event_pos; |
200 | |
201 | LttTime prev_block_end_time; //the end time of previous block |
202 | LttTime prev_event_time; //the time of the previous event |
18206708 |
203 | LttCycleCount pre_cycle_count; //previous cycle count of the event |
204 | int count; //the number of overflow of cycle count |
205 | /* end of workaround */ |
80da81ad |
206 | }; |
7c6b3cd7 |
207 | |
a5dcde2f |
208 | /* The characteristics of the system on which the trace was obtained |
209 | is described in a LttSystemDescription structure. */ |
210 | |
211 | struct _LttSystemDescription { |
212 | char *description; |
213 | char *node_name; |
214 | char *domain_name; |
215 | unsigned nb_cpu; |
216 | LttArchSize size; |
217 | LttArchEndian endian; |
218 | char *kernel_name; |
219 | char *kernel_release; |
220 | char *kernel_version; |
221 | char *machine; |
222 | char *processor; |
223 | char *hardware_platform; |
224 | char *operating_system; |
225 | unsigned ltt_major_version; |
226 | unsigned ltt_minor_version; |
227 | unsigned ltt_block_size; |
228 | LttTime trace_start; |
229 | LttTime trace_end; |
230 | }; |
231 | |
7c6b3cd7 |
232 | /***************************************************************************** |
233 | macro for size of some data types |
234 | *****************************************************************************/ |
cbd41522 |
235 | #define EVENT_ID_SIZE sizeof(guint16) |
236 | #define TIME_DELTA_SIZE sizeof(guint32) |
e3247aa5 |
237 | #define EVENT_HEADER_SIZE (EVENT_ID_SIZE + TIME_DELTA_SIZE) |
7c6b3cd7 |
238 | |
239 | |
fcdf0ec2 |
240 | #endif /* LTT_PRIVATE_H */ |