3 #include <linux/byteorder/swab.h>
7 #include "ltt-private.h"
11 /*****************************************************************************
13 * ltt_event_refresh_fields : refresh fields of an event
15 * offsetRoot : offset from the root
16 * offsetParent : offset from the parrent
20 * int : size of the field
21 ****************************************************************************/
23 int ltt_event_refresh_fields(int offsetRoot
,int offsetParent
,
24 LttField
* fld
, void *evD
)
26 int size
, size1
, element_number
, i
, offset1
, offset2
;
27 LttType
* type
= fld
->field_type
;
29 if(type
->type_class
!= LTT_STRUCT
&& type
->type_class
!= LTT_ARRAY
&&
30 type
->type_class
!= LTT_SEQUENCE
&& type
->type_class
!= LTT_STRING
){
31 size
= fld
->field_size
;
32 }else if(type
->type_class
== LTT_ARRAY
){
33 element_number
= (int) type
->element_number
;
34 if(fld
->field_fixed
== 0){// has string or sequence
36 for(i
=0;i
<element_number
;i
++){
37 size
+= ltt_event_refresh_fields(offsetRoot
+size
,size
,
38 fld
->child
[0], evD
+size
);
40 }else size
= fld
->field_size
;
41 }else if(type
->type_class
== LTT_SEQUENCE
){
42 size1
= fld
->sequ_number_size
;
43 element_number
= getIntNumber(size1
,evD
);
44 type
->element_number
= element_number
;
45 if(fld
->element_size
> 0){
46 size
= element_number
* fld
->element_size
;
47 }else{//sequence has string or sequence
49 for(i
=0;i
<element_number
;i
++){
50 size
+= ltt_event_refresh_fields(offsetRoot
+size
+size1
,size
+size1
,
51 fld
->child
[0], evD
+size
+size1
);
55 }else if(type
->type_class
== LTT_STRING
){
56 size
= strlen((char*)evD
) + 1; //include end : '\0'
57 }else if(type
->type_class
== LTT_STRUCT
){
58 element_number
= (int) type
->element_number
;
59 if(fld
->field_fixed
== 0){
62 for(i
=0;i
<element_number
;i
++){
63 size
=ltt_event_refresh_fields(offset1
,offset2
,fld
->child
[i
],evD
+offset2
);
68 }else size
= fld
->field_size
;
71 fld
->offset_root
= offsetRoot
;
72 fld
->offset_parent
= offsetParent
;
73 fld
->fixed_root
= (offsetRoot
==-1) ? 0 : 1;
74 fld
->fixed_parent
= (offsetParent
==-1) ? 0 : 1;
75 fld
->field_size
= size
;
80 /*****************************************************************************
82 * ltt_event_eventtype_id: get event type id
83 * (base id + position of the event)
85 * e : an instance of an event type
87 * unsigned : event type id
88 ****************************************************************************/
90 unsigned ltt_event_eventtype_id(LttEvent
*e
)
92 return (unsigned) e
->event_id
;
95 /*****************************************************************************
97 * ltt_event_facility : get the facility of the event
99 * e : an instance of an event type
101 * LttFacility * : the facility of the event
102 ****************************************************************************/
104 LttFacility
*ltt_event_facility(LttEvent
*e
)
106 LttTrace
* trace
= e
->tracefile
->trace
;
107 unsigned id
= e
->event_id
;
108 return ltt_trace_facility_by_id(trace
,id
);
111 /*****************************************************************************
113 * ltt_event_eventtype : get the event type of the event
115 * e : an instance of an event type
117 * LttEventType * : the event type of the event
118 ****************************************************************************/
120 LttEventType
*ltt_event_eventtype(LttEvent
*e
)
122 LttFacility
* facility
= ltt_event_facility(e
);
123 if(!facility
) return NULL
;
124 return facility
->events
[e
->event_id
- facility
->base_id
];
127 /*****************************************************************************
129 * ltt_event_field : get the root field of the event
131 * e : an instance of an event type
133 * LttField * : the root field of the event
134 ****************************************************************************/
136 LttField
*ltt_event_field(LttEvent
*e
)
139 LttEventType
* event_type
= ltt_event_eventtype(e
);
140 if(!event_type
) return NULL
;
141 field
= event_type
->root_field
;
142 if(!field
) return NULL
;
144 //check if the field need refresh
145 if(e
->which_block
!= event_type
->latest_block
||
146 e
->which_event
!= event_type
->latest_event
){
148 event_type
->latest_block
= e
->which_block
;
149 event_type
->latest_event
= e
->which_event
;
151 if(field
->field_fixed
== 1)return field
;
154 ltt_event_refresh_fields(0, 0, field
, e
->data
);
159 /*****************************************************************************
161 * ltt_event_time : get the time of the event
163 * e : an instance of an event type
165 * LttTime : the time of the event
166 ****************************************************************************/
168 LttTime
ltt_event_time(LttEvent
*e
)
170 return e
->event_time
;
173 /*****************************************************************************
175 * ltt_event_time : get the cycle count of the event
177 * e : an instance of an event type
179 * LttCycleCount : the cycle count of the event
180 ****************************************************************************/
182 LttCycleCount
ltt_event_cycle_count(LttEvent
*e
)
184 return e
->event_cycle_count
;
187 /*****************************************************************************
189 * ltt_event_position : get the event's position
191 * e : an instance of an event type
192 * ep : a pointer to event's position structure
193 ****************************************************************************/
195 void ltt_event_position(LttEvent
*e
, LttEventPosition
*ep
)
197 ep
->block_num
= e
->which_block
;
198 ep
->event_num
= e
->which_event
;
199 ep
->event_time
= e
->event_time
;
200 ep
->event_cycle_count
= e
->event_cycle_count
;
201 ep
->heart_beat_number
= e
->tracefile
->cur_heart_beat_number
;
202 ep
->old_position
= FALSE
;
203 ep
->event_offset
= e
->data
- e
->tracefile
->buffer
- EVENT_HEADER_SIZE
;
204 ep
->tf
= e
->tracefile
;
207 LttEventPosition
* ltt_event_position_new()
209 return g_new(LttEventPosition
, 1);
212 /*****************************************************************************
214 * ltt_event_position_get : get the block number and index of the event
216 * ep : a pointer to event's position structure
217 * block_number : the block number of the event
218 * index_in_block : the index of the event within the block
219 ****************************************************************************/
221 void ltt_event_position_get(LttEventPosition
*ep
,
222 unsigned *block_number
, unsigned *index_in_block
, LttTracefile
** tf
)
224 *block_number
= ep
->block_num
;
225 *index_in_block
= ep
->event_num
;
229 /*****************************************************************************
231 * ltt_event_position_set : set the block number and index of the event
233 * ep : a pointer to event's position structure
234 * block_number : the block number of the event
235 * index_in_block : the index of the event within the block
236 ****************************************************************************/
238 void ltt_event_position_set(LttEventPosition
*ep
,
239 unsigned block_number
, unsigned index_in_block
)
241 ep
->block_num
= block_number
;
242 ep
->event_num
= index_in_block
;
245 /*****************************************************************************
247 * ltt_event_cpu_i: get the cpu id where the event happens
249 * e : an instance of an event type
251 * unsigned : the cpu id
252 ****************************************************************************/
254 unsigned ltt_event_cpu_id(LttEvent
*e
)
256 return (unsigned)atoi(e
->tracefile
->name
);
259 /*****************************************************************************
261 * ltt_event_data : get the raw data for the event
263 * e : an instance of an event type
265 * void * : pointer to the raw data for the event
266 ****************************************************************************/
268 void *ltt_event_data(LttEvent
*e
)
273 /*****************************************************************************
275 * ltt_event_field_element_number
276 * : The number of elements in a sequence field is specific
277 * to each event. This function returns the number of
278 * elements for an array or sequence field in an event.
280 * e : an instance of an event type
281 * f : a field of the instance
283 * unsigned : the number of elements for an array/sequence field
284 ****************************************************************************/
286 unsigned ltt_event_field_element_number(LttEvent
*e
, LttField
*f
)
288 if(f
->field_type
->type_class
!= LTT_ARRAY
&&
289 f
->field_type
->type_class
!= LTT_SEQUENCE
)
292 if(f
->field_type
->type_class
== LTT_ARRAY
)
293 return f
->field_type
->element_number
;
294 return (unsigned) getIntNumber(f
->sequ_number_size
, e
+ f
->offset_root
);
297 /*****************************************************************************
299 * ltt_event_field_element_select
300 * : Set the currently selected element for a sequence or
303 * e : an instance of an event type
304 * f : a field of the instance
305 * i : the ith element
306 ****************************************************************************/
308 void ltt_event_field_element_select(LttEvent
*e
, LttField
*f
, unsigned i
)
310 unsigned element_number
;
315 if(f
->field_type
->type_class
!= LTT_ARRAY
&&
316 f
->field_type
->type_class
!= LTT_SEQUENCE
)
319 element_number
= ltt_event_field_element_number(e
,f
);
320 if((element_number
-1) < i
|| i
< 0) return;
324 evD
= e
->data
+ f
->offset_root
;
327 size
+= ltt_event_refresh_fields(f
->offset_root
+size
,size
, fld
, evD
+size
);
330 f
->current_element
= i
- 1;
333 /*****************************************************************************
334 * These functions extract data from an event after architecture specific
336 ****************************************************************************/
338 unsigned ltt_event_get_unsigned(LttEvent
*e
, LttField
*f
)
340 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
341 e
->tracefile
->trace
->system_description
->endian
? 0:1;
342 LttTypeEnum t
= f
->field_type
->type_class
;
344 if(t
!= LTT_UINT
&& t
!= LTT_ENUM
)
345 g_error("The type of the field is not unsigned int\n");
347 if(f
->field_size
== 1){
348 guint8 x
= *(guint8
*)(e
->data
+ f
->offset_root
);
349 return (unsigned int) x
;
350 }else if(f
->field_size
== 2){
351 guint16 x
= *(guint16
*)(e
->data
+ f
->offset_root
);
352 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
353 return (unsigned int) (revFlag
? GUINT16_FROM_BE(x
): x
);
355 return (unsigned int) (revFlag
? GUINT16_FROM_LE(x
): x
);
356 }else if(f
->field_size
== 4){
357 guint32 x
= *(guint32
*)(e
->data
+ f
->offset_root
);
358 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
359 return (unsigned int) (revFlag
? GUINT32_FROM_BE(x
): x
);
361 return (unsigned int) (revFlag
? GUINT32_FROM_LE(x
): x
);
362 }else if(f
->field_size
== 8){
363 guint64 x
= *(guint64
*)(e
->data
+ f
->offset_root
);
364 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
365 return (unsigned int) (revFlag
? GUINT64_FROM_BE(x
): x
);
367 return (unsigned int) (revFlag
? GUINT64_FROM_LE(x
): x
);
371 int ltt_event_get_int(LttEvent
*e
, LttField
*f
)
373 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
374 e
->tracefile
->trace
->system_description
->endian
? 0:1;
376 if(f
->field_type
->type_class
!= LTT_INT
)
377 g_error("The type of the field is not int\n");
379 if(f
->field_size
== 1){
380 gint8 x
= *(gint8
*)(e
->data
+ f
->offset_root
);
382 }else if(f
->field_size
== 2){
383 gint16 x
= *(gint16
*)(e
->data
+ f
->offset_root
);
384 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
385 return (int) (revFlag
? GINT16_FROM_BE(x
): x
);
387 return (int) (revFlag
? GINT16_FROM_LE(x
): x
);
388 }else if(f
->field_size
== 4){
389 gint32 x
= *(gint32
*)(e
->data
+ f
->offset_root
);
390 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
391 return (int) (revFlag
? GINT32_FROM_BE(x
): x
);
393 return (int) (revFlag
? GINT32_FROM_LE(x
): x
);
394 }else if(f
->field_size
== 8){
395 gint64 x
= *(gint64
*)(e
->data
+ f
->offset_root
);
396 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
397 return (int) (revFlag
? GINT64_FROM_BE(x
): x
);
399 return (int) (revFlag
? GINT64_FROM_LE(x
): x
);
403 unsigned long ltt_event_get_long_unsigned(LttEvent
*e
, LttField
*f
)
405 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
406 e
->tracefile
->trace
->system_description
->endian
? 0:1;
407 LttTypeEnum t
= f
->field_type
->type_class
;
409 if(t
!= LTT_UINT
&& t
!= LTT_ENUM
)
410 g_error("The type of the field is not unsigned long\n");
412 if(f
->field_size
== 1){
413 guint8 x
= *(guint8
*)(e
->data
+ f
->offset_root
);
414 return (unsigned long) x
;
415 }else if(f
->field_size
== 2){
416 guint16 x
= *(guint16
*)(e
->data
+ f
->offset_root
);
417 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
418 return (unsigned long) (revFlag
? GUINT16_FROM_BE(x
): x
);
420 return (unsigned long) (revFlag
? GUINT16_FROM_LE(x
): x
);
421 }else if(f
->field_size
== 4){
422 guint32 x
= *(guint32
*)(e
->data
+ f
->offset_root
);
423 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
424 return (unsigned long) (revFlag
? GUINT32_FROM_BE(x
): x
);
426 return (unsigned long) (revFlag
? GUINT32_FROM_LE(x
): x
);
427 }else if(f
->field_size
== 8){
428 guint64 x
= *(guint64
*)(e
->data
+ f
->offset_root
);
429 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
430 return (unsigned long) (revFlag
? GUINT64_FROM_BE(x
): x
);
432 return (unsigned long) (revFlag
? GUINT64_FROM_LE(x
): x
);
436 long int ltt_event_get_long_int(LttEvent
*e
, LttField
*f
)
438 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
439 e
->tracefile
->trace
->system_description
->endian
? 0:1;
441 if( f
->field_type
->type_class
!= LTT_INT
)
442 g_error("The type of the field is not long int\n");
444 if(f
->field_size
== 1){
445 gint8 x
= *(gint8
*)(e
->data
+ f
->offset_root
);
447 }else if(f
->field_size
== 2){
448 gint16 x
= *(gint16
*)(e
->data
+ f
->offset_root
);
449 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
450 return (long) (revFlag
? GINT16_FROM_BE(x
): x
);
452 return (long) (revFlag
? GINT16_FROM_LE(x
): x
);
453 }else if(f
->field_size
== 4){
454 gint32 x
= *(gint32
*)(e
->data
+ f
->offset_root
);
455 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
456 return (long) (revFlag
? GINT32_FROM_BE(x
): x
);
458 return (long) (revFlag
? GINT32_FROM_LE(x
): x
);
459 }else if(f
->field_size
== 8){
460 gint64 x
= *(gint64
*)(e
->data
+ f
->offset_root
);
461 if(e
->tracefile
->trace
->my_arch_endian
== LTT_LITTLE_ENDIAN
)
462 return (long) (revFlag
? GINT64_FROM_BE(x
): x
);
464 return (long) (revFlag
? GINT64_FROM_LE(x
): x
);
468 float ltt_event_get_float(LttEvent
*e
, LttField
*f
)
470 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
471 e
->tracefile
->trace
->system_description
->endian
? 0:1;
473 if(f
->field_type
->type_class
!= LTT_FLOAT
||
474 (f
->field_type
->type_class
== LTT_FLOAT
&& f
->field_size
!= 4))
475 g_error("The type of the field is not float\n");
477 if(revFlag
== 0) return *(float *)(e
->data
+ f
->offset_root
);
480 memcpy((void*)&aInt
, e
->data
+ f
->offset_root
, 4);
481 aInt
= ___swab32(aInt
);
482 return *((float*)&aInt
);
486 double ltt_event_get_double(LttEvent
*e
, LttField
*f
)
488 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
489 e
->tracefile
->trace
->system_description
->endian
? 0:1;
491 if(f
->field_type
->type_class
!= LTT_FLOAT
||
492 (f
->field_type
->type_class
== LTT_FLOAT
&& f
->field_size
!= 8))
493 g_error("The type of the field is not double\n");
495 if(revFlag
== 0) return *(double *)(e
->data
+ f
->offset_root
);
498 memcpy((void*)&aInt
, e
->data
+ f
->offset_root
, 8);
499 aInt
= ___swab64(aInt
);
500 return *((double *)&aInt
);
504 /*****************************************************************************
505 * The string obtained is only valid until the next read from
506 * the same tracefile.
507 ****************************************************************************/
509 char *ltt_event_get_string(LttEvent
*e
, LttField
*f
)
511 if(f
->field_type
->type_class
!= LTT_STRING
)
512 g_error("The field contains no string\n");
513 return (char*)g_strdup((char*)(e
->data
+ f
->offset_root
));
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