}
+#if 0
+/* Use get_field_type_size instead */
/*****************************************************************************
*Function name
* ltt_event_refresh_fields : refresh fields of an event
return size;
}
+#endif //0
+
/*****************************************************************************
*Function name
{
LttFacility* facility = ltt_event_facility(e);
if(!facility) return NULL;
- return facility->events[e->event_id - facility->base_id];
+ return &g_array_index(facility->events, LttEventType, e->event_id);
}
/*****************************************************************************
field = event_type->root_field;
if(unlikely(!field)) return NULL;
- //check if the field need refresh
- if(likely(e->which_block != event_type->latest_block ||
- e->which_event != event_type->latest_event)){
-
- event_type->latest_block = e->which_block;
- event_type->latest_event = e->which_event;
-
- if(unlikely(field->field_fixed != 1))
- ltt_event_refresh_fields(0, 0, field, e->data,
- e->tracefile->trace->reverse_byte_order);
- }
return field;
}
LttCycleCount ltt_event_cycle_count(LttEvent *e)
{
- return e->event_cycle_count;
+ return e->tsc;
}
/*****************************************************************************
void ltt_event_position(LttEvent *e, LttEventPosition *ep)
{
- ep->block_num = e->which_block;
- ep->event_num = e->which_event;
- ep->event_time = e->event_time;
- ep->event_cycle_count = e->event_cycle_count;
- ep->heart_beat_number = e->tracefile->cur_heart_beat_number;
- ep->old_position = TRUE;
- ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ;
- ep->tf = e->tracefile;
- ep->overflow_nsec = e->overflow_nsec;
- /* This is a workaround for fast position seek */
- ep->last_event_pos = e->last_event_pos;
- ep->prev_block_end_time = e->prev_block_end_time;
- ep->prev_event_time = e->prev_event_time;
- ep->pre_cycle_count = e->pre_cycle_count;
- ep->count = e->count;
- ep->last_heartbeat = e->last_heartbeat;
-
- /* end of workaround */
+ ep->tracefile = e->tracefile;
+ ep->block = e->block;
+ ep->offset = e->offset;
+ ep->tsc = e->tsc;
}
LttEventPosition * ltt_event_position_new()
return g_new(LttEventPosition, 1);
}
-/*****************************************************************************
- *Function name
- * ltt_event_position_get : get the block number and index of the event
- *Input params
- * ep : a pointer to event's position structure
- * block_number : the block number of the event
- * index_in_block : the index of the event within the block
- ****************************************************************************/
-
-void ltt_event_position_get(LttEventPosition *ep,
- unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf)
-{
- *block_number = ep->block_num;
- *index_in_block = ep->event_num;
- *tf = ep->tf;
-}
-
-/*****************************************************************************
- *Function name
- * ltt_event_position_set : set the block number and index of the event
- * It does put the old_position gboolean to FALSE, as it is impossible
- * to know the quick position to seek in the tracefile.
- *Input params
- * ep : a pointer to event's position structure
- * block_number : the block number of the event
- * index_in_block : the index of the event within the block
- ****************************************************************************/
-
-void ltt_event_position_set(LttEventPosition *ep,
- unsigned block_number, unsigned index_in_block)
-{
- if(ep->block_num != block_number || ep->event_num != index_in_block)
- ep->old_position = FALSE;
-
- ep->block_num = block_number;
- ep->event_num = index_in_block;
-
-}
/*****************************************************************************
* Function name
gint ltt_event_position_compare(const LttEventPosition *ep1,
const LttEventPosition *ep2)
{
- if(ep1->tf != ep2->tf)
- g_error("ltt_event_position_compare on different tracefiles makes no sense");
if(ep1 == NULL && ep2 == NULL)
return 0;
if(ep1 != NULL && ep2 == NULL)
return -1;
if(ep1 == NULL && ep2 != NULL)
return 1;
-
- if(ep1->block_num < ep2->block_num)
- return -1;
- if(ep1->block_num > ep2->block_num)
- return 1;
- if(ep1->event_num < ep2->event_num)
- return -1;
- if(ep1->event_num > ep2->event_num)
- return 1;
- return 0;
-}
-/*****************************************************************************
- * Function name
- * ltt_event_event_position_compare : compare two positions, one in event,
- * other in position opaque structure.
- * Input params
- * event : a pointer to event structure
- * ep : a pointer to event's position structure
- * Return
- * -1 is event < ep
- * 1 if event > ep
- * 0 if event == ep
- ****************************************************************************/
-
-gint ltt_event_event_position_compare(const LttEvent *event,
- const LttEventPosition *ep)
-{
- if(event == NULL && ep == NULL)
- return 0;
- if(event != NULL && ep == NULL)
- return -1;
- if(event == NULL && ep != NULL)
- return 1;
-
- g_assert(event->tracefile == ep->tf);
-
- if(event->which_block < ep->block_num)
+ if(ep1->tracefile != ep2->tracefile)
+ g_error("ltt_event_position_compare on different tracefiles makes no sense");
+
+ if(ep1->block < ep2->block)
return -1;
- if(event->which_block > ep->block_num)
+ if(ep1->block > ep2->block)
return 1;
- if(event->which_event < ep->event_num)
+ if(ep1->offset < ep2->offset)
return -1;
- if(event->which_event > ep->event_num)
+ if(ep1->offset > ep2->offset)
return 1;
return 0;
}
****************************************************************************/
unsigned ltt_event_cpu_id(LttEvent *e)
-{
- gchar * c1, * c2, * c3;
- c1 = strrchr(e->tracefile->name,'\\');
- c2 = strrchr(e->tracefile->name,'/');
- if(c1 == NULL && c2 == NULL){
- return (unsigned)atoi(e->tracefile->name);
- }else if(c1 == NULL){
- c2++;
- return (unsigned)atoi(c2);
- }else if(c2 == NULL){
- c1++;
- return (unsigned)atoi(c1);
- }else{
- c3 = (c1 > c2) ? c1 : c2;
- c3++;
- return (unsigned)atoi(c3);
- }
+{
+ return e->tracefile->cpu_num;
}
/*****************************************************************************
*Return value
* unsigned : the number of elements for an array/sequence field
****************************************************************************/
-
unsigned ltt_event_field_element_number(LttEvent *e, LttField *f)
{
if(f->field_type->type_class != LTT_ARRAY &&
if(f->field_type->type_class == LTT_ARRAY)
return f->field_type->element_number;
- return (unsigned) getIntNumber(e->tracefile->trace->reverse_byte_order,
+ return (unsigned) get_unsigned(LTT_GET_BO(e->tracefile),
f->sequ_number_size, e + f->offset_root);
}
* f : a field of the instance
* i : the ith element
****************************************************************************/
-
void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i)
{
unsigned element_number;
LttField *fld;
unsigned int k;
- int size;
- void *evD;
+ size_t size;
+ void *data;
if(f->field_type->type_class != LTT_ARRAY &&
f->field_type->type_class != LTT_SEQUENCE)
fld = f->child[0];
- evD = e->data + f->offset_root;
+ data = e->data + f->offset_root;
size = 0;
for(k=0;k<i;k++){
size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size,
- e->tracefile->trace->reverse_byte_order);
+ LTT_GET_BO(e->tracefile));
}
f->current_element = i - 1;
}
* These functions extract data from an event after architecture specific
* conversions
****************************************************************************/
-
guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f)
{
- //int revFlag = e->tracefile->trace->my_arch_endian ==
- // e->tracefile->trace->system_description->endian ? 0:1;
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
LttTypeEnum t = f->field_type->type_class;
gint32 ltt_event_get_int(LttEvent *e, LttField *f)
{
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
- //int revFlag = e->tracefile->trace->my_arch_endian ==
- // e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
g_assert(f->field_type->type_class == LTT_INT);
guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f)
{
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
- //int revFlag = e->tracefile->trace->my_arch_endian ==
- // e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
+
LttTypeEnum t = f->field_type->type_class;
g_assert(t == LTT_UINT || t == LTT_ENUM);
{
//int revFlag = e->tracefile->trace->my_arch_endian ==
// e->tracefile->trace->system_description->endian ? 0:1;
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
g_assert( f->field_type->type_class == LTT_INT);
float ltt_event_get_float(LttEvent *e, LttField *f)
{
- //int revFlag = e->tracefile->trace->my_arch_endian ==
- // e->tracefile->trace->system_description->endian ? 0:1;
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4);
double ltt_event_get_double(LttEvent *e, LttField *f)
{
- gboolean reverse_byte_order = e->tracefile->trace->reverse_byte_order;
- //int revFlag = e->tracefile->trace->my_arch_endian ==
- // e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8);
* The string obtained is only valid until the next read from
* the same tracefile.
****************************************************************************/
-
char *ltt_event_get_string(LttEvent *e, LttField *f)
{
g_assert(f->field_type->type_class == LTT_STRING);
/* set the offset of the fields belonging to the event,
need the information of the archecture */
-void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t);
+void set_fields_offsets(LttTracefile *tf, LttEventType *event_type);
+size_t get_fields_offsets(LttTracefile *tf, LttEventType *event_type, void *data);
+
+/* get the size of the field type according to
+ * The facility size information. */
+static inline void preset_field_type_size(LttTracefile *tf,
+ LttEventType *event_type,
+ off_t offset_root, off_t offset_parent,
+ enum field_status *fixed_root, enum field_status *fixed_parent,
+ LttField *field)
+
+
+static inline size_t get_field_type_size(LttTracefile *tf,
+ LttEventType *event_type,
+ off_t offset_root, off_t offset_parent,
+ LttField *field, void *data)
-/* get the size of the field type according to the archtecture's
- size and endian type(info of the archecture) */
-static inline gint getFieldtypeSize(LttTracefile * tf,
- LttEventType * evT, gint offsetRoot,
- gint offsetParent, LttField *fld, void *evD, LttTrace* t);
/* map a fixed size or a block information from the file (fd) */
int map_block(LttTracefile * tf, unsigned int block_num);
-/* calculate cycles per nsec for current block */
-void getCyclePerNsec(LttTracefile * t);
+/* calculate nsec per cycles for current block */
+static double calc_nsecs_per_cycle(LttTracefile * t);
/* go to the next event */
static int ltt_seek_next_event(LttTracefile *tf);
des->description = g_strdup(text);
}
+static inline LttFacility *ltt_trace_get_facility_by_num(LttTrace *t,
+ guint num)
+{
+ g_assert(num < t->facilities_by_num->len);
+
+ return &g_array_index(t->facilities_by_num, LttFacility, num);
+
+}
+
/*****************************************************************************
*Function name
continue; /* error opening the tracefile : bad magic number ? */
}
tf->cpu_online = 1;
+ tf->cpu_num = num;
}
}
char *text;
guint textlen;
gint err;
+ int i, j;
text = g_quark_to_string(t->pathname);
textlen = strlen(text);
err = ltt_facility_open(f, t, desc_file_name);
if(err) goto facility_error;
+ for(i=0;i<t->facilities_by_num->len;i++){
+ f = &g_array_index(t->facilities_by_num, LttFacility, i);
+ if(f->exists) {
+ for(j=0; j<f->events->len; j++){
+ et = &g_array_index(f->events, LttEventType, j);
+ setFieldsOffset(NULL, et, NULL);
+ }
+ }
+ }
+
+
return 0;
facility_error:
if(ltt_get_facility_description(fac, tf->trace))
goto facility_error;
-
+
+ fac->trace = tf->trace;
fac->exists = 1;
fac_ids = g_datalist_get_data(tf->facilities_by_name, fac->name);
g_datalist_init(t->tracefiles_by_name);
- /* Load trace XML event descriptions */
- //TODO
-
/* Parse each trace control/facilitiesN files : get runtime fac. info */
group = g_datalist_get_data(t->tracefiles, LTT_TRACEFILE_NAME_FACILITIES);
if(group == NULL) {
return ltt_trace_open(self->pathname);
}
-//FIXME TODO
void ltt_trace_close(LttTrace *t)
{
- unsigned int i;
- LttTracefile * tf;
- LttFacility * f;
-
- g_free(t->pathname);
-
- //free system_description
- g_free(t->system_description->description);
- g_free(t->system_description->node_name);
- g_free(t->system_description->domain_name);
- g_free(t->system_description->kernel_name);
- g_free(t->system_description->kernel_release);
- g_free(t->system_description->kernel_version);
- g_free(t->system_description->machine);
- g_free(t->system_description->processor);
- g_free(t->system_description->hardware_platform);
- g_free(t->system_description->operating_system);
- g_free(t->system_description);
-
- //free control_tracefiles
- for(i=0;i<t->control_tracefile_number;i++){
- tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i);
- ltt_tracefile_close(tf);
- }
- g_ptr_array_free(t->control_tracefiles, TRUE);
-
- //free per_cpu_tracefiles
- for(i=0;i<t->per_cpu_tracefile_number;i++){
- tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i);
- ltt_tracefile_close(tf);
- }
- g_ptr_array_free(t->per_cpu_tracefiles, TRUE);
-
- //free facilities
- for(i=0;i<t->facility_number;i++){
- f = (LttFacility*)g_ptr_array_index(t->facilities,i);
- ltt_facility_close(f);
- }
- g_ptr_array_free(t->facilities, TRUE);
-
+ g_datalist_free(t->tracefiles_by_name);
+ g_array_free(t->facilities_by_num, TRUE);
+ g_datalist_clear(t->tracefiles);
g_free(t);
-
- g_blow_chunks();
}
* Functions to discover all the event types in the trace
****************************************************************************/
+#if 0
unsigned ltt_trace_eventtype_number(LttTrace *t)
{
unsigned int i;
}
return count;
}
+#endif //0
+#if 0
+//use an iteration on all the trace facilities, and inside iteration on all the
+//event types in each facilities instead.
LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId)
{
LttEventType *event_type;
return event_type;
}
+#endif //0
#if 0
/*****************************************************************************
/* do event specific operation */
/* do something if its an heartbeat event : increment the heartbeat count */
- if(event->facility_id != 0) { /* except core */
- f = (LttFacility*)g_ptr_array_index(tf->trace->facilities,
- event->facility_id);
- g_assert(f != NULL);
-
- if(unlikely(ltt_facility_name(f)
- != LTT_FACILITY_NAME_HEARTBEAT)) {
- LttEventType *et = ltt_facility_eventtype_get_by_name(f,
- LTT_EVENT_NAME_HEARTBEAT);
- if(et->id == event->event_id)
- t->cur_heart_beat_number++;
- }
- }
+ if(event->facility_id == LTT_FACILITY_CORE)
+ if(event->event_id == LTT_EVENT_HEARTBEAT)
+ t->cur_heart_beat_number++;
return 0;
}
tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL)
+ 0x100000000ULL)
| (guint64)event->time.timestamp;
+ event->tsc = tf->buffer.tsc;
} else {
/* no overflow */
tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL)
| (guint64)event->time.timestamp;
+ event->tsc = tf->buffer.tsc;
}
event->event_time = ltt_interpolate_time(tf, event);
event->time.delta = ltt_get_uint32(LTT_GET_BO(tf),
pos);
tf->buffer.tsc = 0;
+ event->tsc = tf->buffer.tsc;
event->event_time = ltt_time_add(tf->buffer.begin.timestamp,
event->time_delta);
header->lost_size);
tf->buffer.tsc = tf->buffer.begin.cycle_count;
+ tf->event.tsc = tf->buffer.tsc;
/* FIXME
* eventually support variable buffer size : will need a partial pre-read of
}
+ssize_t ltt_get_event_size(LttTracefile *tf)
+{
+ ssize_t size = 0;
+
+ /* Specific handling of core events : necessary to read the facility control
+ * tracefile. */
+ if(unlikely(tf->event.facility_id == LTT_FACILITY_CORE)) {
+ switch((enum ltt_core_events)tf->event.event_id) {
+ case LTT_EVENT_FACILITY_LOAD:
+ size = sizeof(struct LttFacilityLoad);
+ break;
+ case LTT_EVENT_FACILITY_UNLOAD:
+ size = sizeof(struct LttFacilityUnload);
+ break;
+ case LTT_EVENT_STATE_DUMP_FACILITY_LOAD:
+ size = sizeof(struct LttStateDumpFacilityLoad);
+ break;
+ case LTT_EVENT_HEARTBEAT:
+ size = sizeof(TimeHeartbeat);
+ break;
+ default:
+ g_warning("Error in getting event size : tracefile %s, "
+ "unknown event id %hhu in core facility.",
+ g_quark_to_string(tf->name),
+ tf->event.event_id);
+ goto event_id_error;
+
+ }
+
+ } else {
+ LttFacility *f = ltt_trace_get_facility_by_num(tf->trace,
+ tf->event.facility_id);
+ LttEventType *event_type =
+ ltt_facility_eventtype_get(f, tf->event.event_id);
+ size = get_fields_offsets(tf, event_type, tf->event.data);
+ }
+
+ return size;
+
+event_id_error:
+ return -1;
+}
+
+
/* Take the tf current event offset and use the event facility id and event id
* to figure out where is the next event offset.
*
{
int ret = 0;
void *pos;
+ ssize_t event_size;
/* seek over the buffer header if we are at the buffer start */
if(tf->event.offset == tf->buffer.head) {
pos = tf->event.data;
- /* FIXME : do this function. Remember to hardcode the sizes of heartbeat and
- * core */
- pos += ltt_facility_get_event_size(tf->event.facility_id, tf->event.event_id);
- on error : goto error;
+ event_size = ltt_get_event_size(tf);
+ if(event_size < 0) goto error;
+ pos += (size_t)event_size;
+
tf->event.offset = pos;
found:
return lBufTotalNSec / (double)lBufTotalCycle;
}
+#if 0
+void setFieldsOffset(LttTracefile *tf, LttEventType *evT,void *evD)
+{
+ LttField * rootFld = evT->root_field;
+ // rootFld->base_address = evD;
+
+ if(likely(rootFld))
+ rootFld->field_size = getFieldtypeSize(tf, evT->facility,
+ evT, 0,0,rootFld, evD);
+}
+#endif //0
/*****************************************************************************
*Function name
- * setFieldsOffset : set offset of the fields
+ * set_fields_offsets : set the precomputable offset of the fields
*Input params
* tracefile : opened trace file
- * evT : the event type
- * evD : event data, it may be NULL
+ * event_type : the event type
****************************************************************************/
-void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t)
+void set_fields_offsets(LttTracefile *tf, LttEventType *event_type)
{
- LttField * rootFld = evT->root_field;
- // rootFld->base_address = evD;
+ LttField *field = event_type->root_field;
- if(likely(rootFld))
- rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t);
+ if(likely(field))
+ preset_field_type_size(tf, event_type->facility, event_type, 0, 0,
+ FIELD_FIXED, FIELD_FIXED,
+ field);
+
+}
+
+
+/*****************************************************************************
+ *Function name
+ * preset_field_type_size : set the fixed sizes of the field type
+ *Input params
+ * tf : tracefile
+ * event_type : event type
+ * offset_root : offset from the root
+ * offset_parent : offset from the parent
+ * fixed_root : Do we know a fixed offset to the root ?
+ * fixed_parent : Do we know a fixed offset to the parent ?
+ * field : field
+ ****************************************************************************/
+void preset_field_type_size(LttTracefile *tf, LttEventType *event_type,
+ off_t offset_root, off_t offset_parent,
+ enum field_status *fixed_root, enum field_status *fixed_parent,
+ LttField *field)
+{
+ guint i;
+ LttType *type;
+
+ g_assert(field->fixed_root == FIELD_UNKNOWN);
+ g_assert(field->fixed_parent == FIELD_UNKNOWN);
+ g_assert(field->fixed_size == FIELD_UNKNOWN);
+
+ type = field->field_type;
+
+ field->fixed_root = *fixed_root;
+ if(field->fixed_root == FIELD_FIXED)
+ field->offset_root = offset_root;
+ else
+ field->offset_root = 0;
+
+ field->fixed_parent = *fixed_parent;
+ if(field->fixed_parent == FIELD_FIXED)
+ field->offset_parent = offset_parent;
+ else
+ field->offset_parent = 0;
+
+
+ switch(type->type_class) {
+ case LTT_INT:
+ case LTT_UINT:
+ case LTT_FLOAT:
+ case LTT_ENUM:
+ field->field_size = (off_t) ltt_type_size(LTT_GET_BO(tf),
+ event_type->facility, type);
+ field->fixed_size = FIELD_FIXED;
+ break;
+ case LTT_POINTER:
+ field->field_size = (off_t)event_type->facility->pointer_size;
+ field->fixed_size = FIELD_FIXED;
+ break;
+ case LTT_LONG:
+ case LTT_ULONG:
+ field->field_size = (off_t)event_type->facility->pointer_size;
+ field->fixed_size = FIELD_FIXED;
+ break;
+ case LTT_SIZE_T:
+ case LTT_SSIZE_T:
+ case LTT_OFF_T:
+ field->field_size = (off_t)event_type->facility->size_t_size;
+ field->fixed_size = FIELD_FIXED;
+ break;
+ case LTT_SEQUENCE:
+ preset_field_type_size(tf, event_type->facility, event_type,
+ 0, 0,
+ FIELD_VARIABLE, FIELD_VARIABLE,
+ field->child[0]);
+ field->fixed_size = FIELD_VARIABLE;
+ field->field_size = 0;
+ break;
+ case LTT_STRING:
+ field->fixed_size = FIELD_VARIABLE;
+ field->field_size = 0;
+ break;
+ case LTT_ARRAY:
+ preset_field_type_size(tf, event_type->facility, event_type,
+ 0, 0,
+ FIELD_VARIABLE, FIELD_VARIABLE,
+ field->child[0]);
+ field->fixed_size = field->child[0]->fixed_size;
+ if(field->fixed_size == FIELD_FIXED)
+ field->field_size = type->element_number * field->child[0]->field_size;
+ else
+ field->field_size = 0;
+ break;
+ case LTT_STRUCT:
+ size_t current_root_offset = field->offset_root;
+ size_t current_offset = 0;
+ enum field_status current_child_status = FIELD_FIXED;
+ for(i=0;i<type->element_number;i++) {
+ preset_field_type_size(tf, event_type->facility, event_type,
+ current_root_offset, current_offset,
+ fixed_root, ¤t_child_status,
+ field->child[i]);
+ if(current_child_status == FIELD_FIXED) {
+ current_root_offset += field->child[i]->field_size;
+ current_offset += field->child[i]->field_size;
+ } else {
+ current_root_offset = 0;
+ current_offset = 0;
+ }
+ }
+ if(current_child_status != FIELD_FIXED) {
+ *fixed_parent = current_child_status;
+ field->field_size = 0;
+ field->fixed_size = current_child_status;
+ } else {
+ field->field_size = current_offset;
+ field->fixed_size = FIELD_FIXED;
+ }
+ break;
+ case LTT_UNION:
+ size_t current_root_offset = field->offset_root;
+ size_t current_offset = 0;
+ size_t max_size = 0;
+ enum field_status final_child_status = FIELD_FIXED;
+ for(i=0;i<type->element_number;i++) {
+ enum field_status current_root_child_status = FIELD_FIXED;
+ enum field_status current_child_status = FIELD_FIXED;
+ preset_field_type_size(tf, event_type->facility, event_type,
+ current_root_offset, current_offset,
+ ¤t_root_child_status, ¤t_child_status,
+ field->child[i]);
+ if(current_child_status != FIELD_FIXED)
+ final_child_status = current_child_status;
+ else
+ max_size = max(max_size, field->child[i]->field_size);
+ }
+ if(final_child_status != FIELD_FIXED) {
+ *fixed_root = final_child_status;
+ *fixed_parent = final_child_status;
+ field->field_size = 0;
+ field->fixed_size = current_child_status;
+ } else {
+ field->field_size = max_size;
+ field->fixed_size = FIELD_FIXED;
+ }
+ break;
+ }
+
+}
+
+
+/*****************************************************************************
+ *Function name
+ * get_field_type_size : set the fixed and dynamic sizes of the field type
+ * from the data read.
+ *Input params
+ * tf : tracefile
+ * event_type : event type
+ * offset_root : offset from the root
+ * offset_parent : offset from the parent
+ * field : field
+ * data : a pointer to the event data.
+ *Returns the field type size.
+ ****************************************************************************/
+size_t get_field_type_size(LttTracefile *tf, LttEventType *event_type,
+ off_t offset_root, off_t offset_parent,
+ LttField *field, void *data)
+{
+ size_t size = 0;
+ guint i;
+ LttType *type;
+
+ g_assert(field->fixed_root != FIELD_UNKNOWN);
+ g_assert(field->fixed_parent != FIELD_UNKNOWN);
+ g_assert(field->fixed_size != FIELD_UNKNOWN);
+
+ field->offset_root = offset_root;
+ field->offset_parent = offset_parent;
+
+ type = field->field_type;
+
+ switch(type->type_class) {
+ case LTT_INT:
+ case LTT_UINT:
+ case LTT_FLOAT:
+ case LTT_ENUM:
+ case LTT_POINTER:
+ case LTT_LONG:
+ case LTT_ULONG:
+ case LTT_SIZE_T:
+ case LTT_SSIZE_T:
+ case LTT_OFF_T:
+ g_assert(field->fixed_size == FIELD_FIXED);
+ size = field->field_size;
+ break;
+ case LTT_SEQUENCE:
+ gint seqnum = ltt_get_uint(LTT_GET_BO(tf),
+ field->sequ_number_size,
+ data + offset_root);
+
+ if(field->child[0]->fixed_size == FIELD_FIXED) {
+ size = field->sequ_number_size +
+ (seqnum * get_field_type_size(tf, event_type->facility, event_type,
+ offset_root, offset_parent,
+ field->child[0], data));
+ } else {
+ size += field->sequ_number_size;
+ for(i=0;i<seqnum;i++) {
+ size_t child_size;
+ child_size = get_field_type_size(tf, event_type->facility,
+ event_type,
+ offset_root, offset_parent,
+ field->child[0], data);
+ offset_root += child_size;
+ offset_parent += child_size;
+ size += child_size;
+ }
+ }
+ field->field_size = size;
+ break;
+ case LTT_STRING:
+ size = strlen((char*)(data+offset_root)) + 1;// length + \0
+ field->field_size = size;
+ break;
+ case LTT_ARRAY:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ for(i=0;i<seqnum;i++) {
+ size_t child_size;
+ child_size = get_field_type_size(tf, event_type->facility,
+ event_type,
+ offset_root, offset_parent,
+ field->child[0], data);
+ offset_root += child_size;
+ offset_parent += child_size;
+ size += child_size;
+ }
+ field->field_size = size;
+ }
+ break;
+ case LTT_STRUCT:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ size_t current_root_offset = offset_root;
+ size_t current_offset = 0;
+ size_t child_size = 0;
+ for(i=0;i<type->element_number;i++) {
+ child_size = get_field_type_size(tf, event_type->facility,
+ event_type, current_root_offset, current_offset,
+ field->child[i], data);
+ current_offset += child_size;
+ current_root_offset += child_size;
+
+ }
+ size = current_offset;
+ field->field_size = size;
+ }
+ break;
+ case LTT_UNION:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ size_t current_root_offset = field->offset_root;
+ size_t current_offset = 0;
+ for(i=0;i<type->element_number;i++) {
+ size = get_field_type_size(tf, event_type->facility, event_type,
+ current_root_offset, current_offset,
+ field->child[i], data);
+ size = max(size, field->child[i]->field_size);
+ }
+ field->field_size = size;
+ }
+ break;
+ }
+
+ return size;
}
+
+
+#if 0
/*****************************************************************************
*Function name
* getFieldtypeSize: get the size of the field type (primitive type)
*Input params
- * tracefile : opened trace file
* evT : event type
* offsetRoot : offset from the root
* offsetParent : offset from the parrent
* int : size of the field
****************************************************************************/
-static inline gint getFieldtypeSize(LttTracefile * t,
+static inline gint getFieldtypeSize(LttTracefile *tf,
LttEventType * evT, gint offsetRoot,
- gint offsetParent, LttField * fld, void *evD, LttTrace *trace)
+ gint offsetParent, LttField * fld, void *evD)
{
gint size, size1, element_number, i, offset1, offset2;
LttType * type = fld->field_type;
- if(unlikely(t && evT->latest_block==t->which_block &&
- evT->latest_event==t->which_event)){
- size = fld->field_size;
- goto end_getFieldtypeSize;
- } else {
- /* This likely has been tested with gcov : half of them.. */
- if(unlikely(fld->field_fixed == 1)){
- /* tested : none */
- if(unlikely(fld == evT->root_field)) {
- size = fld->field_size;
- goto end_getFieldtypeSize;
- }
+ /* This likely has been tested with gcov : half of them.. */
+ if(unlikely(fld->field_fixed == 1)){
+ /* tested : none */
+ if(unlikely(fld == evT->root_field)) {
+ size = fld->field_size;
+ goto end_getFieldtypeSize;
}
+ }
- /* From gcov profiling : half string, half struct, can we gain something
- * from that ? (Mathieu) */
- switch(type->type_class) {
- case LTT_ARRAY:
- element_number = (int) type->element_number;
- if(fld->field_fixed == -1){
- size = getFieldtypeSize(t, evT, offsetRoot,
- 0,fld->child[0], NULL, trace);
- if(size == 0){ //has string or sequence
- fld->field_fixed = 0;
- }else{
- fld->field_fixed = 1;
- size *= element_number;
- }
- }else if(fld->field_fixed == 0){// has string or sequence
- size = 0;
- for(i=0;i<element_number;i++){
- size += getFieldtypeSize(t, evT, offsetRoot+size,size,
- fld->child[0], evD+size, trace);
- }
- }else size = fld->field_size;
- if(unlikely(!evD)){
- fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
- fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
- }
-
- break;
-
- case LTT_SEQUENCE:
- size1 = (int) ltt_type_size(trace, type);
- if(fld->field_fixed == -1){
- fld->sequ_number_size = size1;
+ /* From gcov profiling : half string, half struct, can we gain something
+ * from that ? (Mathieu) */
+ switch(type->type_class) {
+ case LTT_ARRAY:
+ element_number = (int) type->element_number;
+ if(fld->field_fixed == -1){
+ size = getFieldtypeSize(tf, evT, offsetRoot,
+ 0,fld->child[0], NULL);
+ if(size == 0){ //has string or sequence
fld->field_fixed = 0;
- size = getFieldtypeSize(t, evT, offsetRoot,
- 0,fld->child[0], NULL, trace);
- fld->element_size = size;
- }else{//0: sequence
- element_number = getIntNumber(t->trace->reverse_byte_order,size1,evD);
- type->element_number = element_number;
- if(fld->element_size > 0){
- size = element_number * fld->element_size;
- }else{//sequence has string or sequence
- size = 0;
- for(i=0;i<element_number;i++){
- size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1,
- fld->child[0], evD+size+size1, trace);
- }
- }
- size += size1;
- }
- if(unlikely(!evD)){
- fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
- fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ }else{
+ fld->field_fixed = 1;
+ size *= element_number;
}
-
- break;
-
- case LTT_STRING:
+ }else if(fld->field_fixed == 0){// has string or sequence
size = 0;
- if(fld->field_fixed == -1){
- fld->field_fixed = 0;
- }else{//0: string
- /* Hope my implementation is faster than strlen (Mathieu) */
- char *ptr=(char*)evD;
- size = 1;
- /* from gcov : many many strings are empty, make it the common case.*/
- while(unlikely(*ptr != '\0')) { size++; ptr++; }
- //size = ptr - (char*)evD + 1; //include end : '\0'
+ for(i=0;i<element_number;i++){
+ size += getFieldtypeSize(tf, evT, offsetRoot+size,size,
+ fld->child[0], evD+size);
}
+ }else size = fld->field_size;
+ if(unlikely(!evD)){
fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ }
- break;
-
- case LTT_STRUCT:
- element_number = (int) type->element_number;
- size = 0;
- /* tested with gcov */
- if(unlikely(fld->field_fixed == -1)){
- offset1 = offsetRoot;
- offset2 = 0;
+ break;
+
+ case LTT_SEQUENCE:
+ size1 = (int) ltt_type_size(fac, type);
+ if(fld->field_fixed == -1){
+ fld->sequ_number_size = size1;
+ fld->field_fixed = 0;
+ size = getFieldtypeSize(evT, offsetRoot,
+ 0,fld->child[0], NULL);
+ fld->element_size = size;
+ }else{//0: sequence
+ element_number = getIntNumber(tf,size1,evD);
+ type->element_number = element_number;
+ if(fld->element_size > 0){
+ size = element_number * fld->element_size;
+ }else{//sequence has string or sequence
+ size = 0;
for(i=0;i<element_number;i++){
- size1=getFieldtypeSize(t, evT,offset1,offset2,
- fld->child[i], NULL, trace);
- if(likely(size1 > 0 && size >= 0)){
- size += size1;
- if(likely(offset1 >= 0)) offset1 += size1;
- offset2 += size1;
- }else{
- size = -1;
- offset1 = -1;
- offset2 = -1;
- }
+ size += getFieldtypeSize(tf, evT,
+ offsetRoot+size+size1,size+size1,
+ fld->child[0], evD+size+size1);
}
- if(unlikely(size == -1)){
- fld->field_fixed = 0;
- size = 0;
- }else fld->field_fixed = 1;
- }else if(likely(fld->field_fixed == 0)){
- offset1 = offsetRoot;
- offset2 = 0;
- for(i=0;unlikely(i<element_number);i++){
- size=getFieldtypeSize(t,evT,offset1,offset2,
- fld->child[i],evD+offset2, trace);
- offset1 += size;
- offset2 += size;
- }
- size = offset2;
- }else size = fld->field_size;
+ }
+ size += size1;
+ }
+ if(unlikely(!evD)){
fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
- break;
+ }
- default:
- if(unlikely(fld->field_fixed == -1)){
- size = (int) ltt_type_size(trace, type);
- fld->field_fixed = 1;
- }else size = fld->field_size;
- if(unlikely(!evD)){
- fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
- fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ break;
+
+ case LTT_STRING:
+ size = 0;
+ if(fld->field_fixed == -1){
+ fld->field_fixed = 0;
+ }else{//0: string
+ /* Hope my implementation is faster than strlen (Mathieu) */
+ char *ptr=(char*)evD;
+ size = 1;
+ /* from gcov : many many strings are empty, make it the common case.*/
+ while(unlikely(*ptr != '\0')) { size++; ptr++; }
+ //size = ptr - (char*)evD + 1; //include end : '\0'
+ }
+ fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
+ fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+
+ break;
+
+ case LTT_STRUCT:
+ element_number = (int) type->element_number;
+ size = 0;
+ /* tested with gcov */
+ if(unlikely(fld->field_fixed == -1)){
+ offset1 = offsetRoot;
+ offset2 = 0;
+ for(i=0;i<element_number;i++){
+ size1=getFieldtypeSize(tf, evT,offset1,offset2,
+ fld->child[i], NULL);
+ if(likely(size1 > 0 && size >= 0)){
+ size += size1;
+ if(likely(offset1 >= 0)) offset1 += size1;
+ offset2 += size1;
+ }else{
+ size = -1;
+ offset1 = -1;
+ offset2 = -1;
+ }
}
- break;
- }
+ if(unlikely(size == -1)){
+ fld->field_fixed = 0;
+ size = 0;
+ }else fld->field_fixed = 1;
+ }else if(likely(fld->field_fixed == 0)){
+ offset1 = offsetRoot;
+ offset2 = 0;
+ for(i=0;unlikely(i<element_number);i++){
+ size=getFieldtypeSize(tf, evT, offset1, offset2,
+ fld->child[i], evD+offset2);
+ offset1 += size;
+ offset2 += size;
+ }
+ size = offset2;
+ }else size = fld->field_size;
+ fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
+ fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ break;
+
+ default:
+ if(unlikely(fld->field_fixed == -1)){
+ size = (int) ltt_type_size(LTT_GET_BO(tf), type);
+ fld->field_fixed = 1;
+ }else size = fld->field_size;
+ if(unlikely(!evD)){
+ fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
+ fld->fixed_parent = (offsetParent==-1) ? 0 : 1;
+ }
+ break;
}
fld->offset_root = offsetRoot;
return size;
}
-
+#endif //0
/*****************************************************************************
*Function name
- * getIntNumber : get an integer number
+ * get_int : get an integer number
*Input params
+ * reverse_byte_order: must we reverse the byte order ?
* size : the size of the integer
- * evD : the event data
+ * ptr : the data pointer
*Return value
* gint64 : a 64 bits integer
****************************************************************************/
-gint64 getIntNumber(gboolean reverse_byte_order, int size, void *evD)
+gint64 get_int(gboolean reverse_byte_order, gint size, void *data)
{
- gint64 i;
+ gint64 val;
switch(size) {
- case 1: i = *((gint8*)evD); break;
- case 2: i = ltt_get_int16(reverse_byte_order, evD); break;
- case 4: i = ltt_get_int32(reverse_byte_order, evD); break;
- case 8: i = ltt_get_int64(reverse_byte_order, evD); break;
- default: i = ltt_get_int64(reverse_byte_order, evD);
- g_critical("getIntNumber : integer size %d unknown", size);
+ case 1: val = *((gint8*)data); break;
+ case 2: val = ltt_get_int16(reverse_byte_order, data); break;
+ case 4: val = ltt_get_int32(reverse_byte_order, data); break;
+ case 8: val = ltt_get_int64(reverse_byte_order, data); break;
+ default: val = ltt_get_int64(reverse_byte_order, data);
+ g_critical("get_int : integer size %d unknown", size);
break;
}
- return i;
+ return val;
}
+/*****************************************************************************
+ *Function name
+ * get_uint : get an unsigned integer number
+ *Input params
+ * reverse_byte_order: must we reverse the byte order ?
+ * size : the size of the integer
+ * ptr : the data pointer
+ *Return value
+ * guint64 : a 64 bits unsigned integer
+ ****************************************************************************/
+
+guint64 get_uint(gboolean reverse_byte_order, gint size, void *data)
+{
+ guint64 val;
+
+ switch(size) {
+ case 1: val = *((gint8*)data); break;
+ case 2: val = ltt_get_uint16(reverse_byte_order, data); break;
+ case 4: val = ltt_get_uint32(reverse_byte_order, data); break;
+ case 8: val = ltt_get_uint64(reverse_byte_order, data); break;
+ default: val = ltt_get_uint64(reverse_byte_order, data);
+ g_critical("get_uint : unsigned integer size %d unknown",
+ size);
+ break;
+ }
+
+ return val;
+}
+
+
/* get the node name of the system */
char * ltt_trace_system_description_node_name (LttSystemDescription * s)
projects / lttv.git / commitdiff
