X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=bcb013f172e94ef575033bd3e1f3f8b6ee7daeff;hb=29af7cfdc9979121f09db4ba7c154f52d0fb518e;hp=7ef6737728bbba7cbeebd9ee8cc58f81205fd019;hpb=80da81adfa88158bd3d4c26f89f96f8b58c77b4f;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index 7ef67377..bcb013f1 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,185 +1,36 @@ -#include -#include -#include -#include -#include "parser.h" -#include - -/***************************************************************************** - *Function name - * ltt_event_refresh_fields : refresh fields of an event - *Input params - * offsetRoot : offset from the root - * offsetParent : offset from the parrent - * fld : field - * evD : event data - *Return value - * int : size of the field - ****************************************************************************/ - -int ltt_event_refresh_fields(int offsetRoot,int offsetParent, - LttField * fld, void *evD) -{ - int size, size1, element_number, i, offset1, offset2; - LttType * type = fld->field_type; - - if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && - type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ - size = fld->field_size; - }else if(type->type_class == LTT_ARRAY){ - element_number = (int) type->element_number; - if(fld->field_fixed == 0){// has string or sequence - size = 0; - for(i=0;ichild[0], evD+size); - } - }else size = fld->field_size; - }else if(type->type_class == LTT_SEQUENCE){ - size1 = fld->sequ_number_size; - element_number = getIntNumber(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;ichild[0], evD+size+size1); - } - size += size1; - } - }else if(type->type_class == LTT_STRING){ - size = strlen((char*)evD) + 1; //include end : '\0' - }else if(type->type_class == LTT_STRUCT){ - element_number = (int) type->element_number; - if(fld->field_fixed == 0){ - offset1 = offsetRoot; - offset2 = 0; - for(i=0;ichild[i],evD+offset2); - offset1 += size; - offset2 += size; - } - size = offset2; - }else size = fld->field_size; - } - - fld->offset_root = offsetRoot; - fld->offset_parent = offsetParent; - fld->fixed_root = (offsetRoot==-1) ? 0 : 1; - fld->fixed_parent = (offsetParent==-1) ? 0 : 1; - fld->field_size = size; - - return size; -} - -/***************************************************************************** - *Function name - * ltt_event_eventtype_id: get event type id - * (base id + position of the event) - *Input params - * e : an instance of an event type - *Return value - * unsigned : event type id - ****************************************************************************/ -unsigned ltt_event_eventtype_id(LttEvent *e) -{ - return (unsigned) e->event_id; -} +#include /***************************************************************************** *Function name - * ltt_event_facility : get the facility of the event + * ltt_event_position_get : get the event position data *Input params * e : an instance of an event type - *Return value - * LttFacility * : the facility of the event - ****************************************************************************/ - -LttFacility *ltt_event_facility(LttEvent *e) -{ - LttTrace * trace = e->tracefile->trace; - unsigned id = e->event_id; - return ltt_trace_facility_by_id(trace,id); -} - -/***************************************************************************** - *Function name - * ltt_event_eventtype : get the event type of the event - *Input params - * e : an instance of an event type - *Return value - * LttEventType * : the event type of the event - ****************************************************************************/ - -LttEventType *ltt_event_eventtype(LttEvent *e) -{ - LttFacility* facility = ltt_event_facility(e); - if(!facility) return NULL; - return facility->events[e->event_id - facility->base_id]; -} - -/***************************************************************************** - *Function name - * ltt_event_field : get the root field of the event - *Input params - * e : an instance of an event type - *Return value - * LttField * : the root field of the event + * ep : a pointer to event's position structure + * tf : tracefile pointer + * block : current block + * offset : current offset + * tsc : current tsc ****************************************************************************/ - -LttField *ltt_event_field(LttEvent *e) +void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, + guint *block, guint *offset, guint64 *tsc) { - LttField * field; - LttEventType * event_type = ltt_event_eventtype(e); - if(!event_type) return NULL; - field = event_type->root_field; - if(!field) return NULL; - - //check if the field need refresh - if(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(field->field_fixed == 1)return field; - - //refresh the field - ltt_event_refresh_fields(0, 0, field, e->data); - } - return field; + *tf = ep->tracefile; + *block = ep->block; + *offset = ep->offset; + *tsc = ep->tsc; } -/***************************************************************************** - *Function name - * ltt_event_time : get the time of the event - *Input params - * e : an instance of an event type - *Return value - * LttTime : the time of the event - ****************************************************************************/ -LttTime ltt_event_time(LttEvent *e) +void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, + guint block, guint offset, guint64 tsc) { - return e->event_time; + ep->tracefile = tf; + ep->block = block; + ep->offset = offset; + ep->tsc = tsc; } -/***************************************************************************** - *Function name - * ltt_event_time : get the cycle count of the event - *Input params - * e : an instance of an event type - *Return value - * LttCycleCount : the cycle count of the event - ****************************************************************************/ - -LttCycleCount ltt_event_cycle_count(LttEvent *e) -{ - return e->event_cycle_count; -} /***************************************************************************** *Function name @@ -191,278 +42,78 @@ LttCycleCount ltt_event_cycle_count(LttEvent *e) 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->tracefile = e->tracefile; + ep->block = e->block; + ep->offset = e->offset; + ep->tsc = e->tsc; } -/***************************************************************************** - *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) +LttEventPosition * ltt_event_position_new() { - *block_number = ep->block_num; - *index_in_block = ep->event_num; + return g_new(LttEventPosition, 1); } -/***************************************************************************** - *Function name - * ltt_event_position_set : set 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_set(LttEventPosition *ep, - unsigned block_number, unsigned index_in_block) -{ - ep->block_num = block_number; - ep->event_num = index_in_block; -} /***************************************************************************** - *Function name - * ltt_event_cpu_i: get the cpu id where the event happens - *Input params - * e : an instance of an event type - *Return value - * unsigned : the cpu id + * Function name + * ltt_event_position_compare : compare two positions + * A NULL value is infinite. + * Input params + * ep1 : a pointer to event's position structure + * ep2 : a pointer to event's position structure + * Return + * -1 is ep1 < ep2 + * 1 if ep1 > ep2 + * 0 if ep1 == ep2 ****************************************************************************/ -unsigned ltt_event_cpu_id(LttEvent *e) -{ - return (unsigned)atoi(e->tracefile->name); -} - -/***************************************************************************** - *Function name - * ltt_event_data : get the raw data for the event - *Input params - * e : an instance of an event type - *Return value - * void * : pointer to the raw data for the event - ****************************************************************************/ - -void *ltt_event_data(LttEvent *e) -{ - return e->data; -} - -/***************************************************************************** - *Function name - * ltt_event_field_element_number - * : The number of elements in a sequence field is specific - * to each event. This function returns the number of - * elements for an array or sequence field in an event. - *Input params - * e : an instance of an event type - * f : a field of the instance - *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 && - f->field_type->type_class != LTT_SEQUENCE) - return 0; - - if(f->field_type->type_class == LTT_ARRAY) - return f->field_type->element_number; - return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); -} - -/***************************************************************************** - *Function name - * ltt_event_field_element_select - * : Set the currently selected element for a sequence or - * array field - *Input params - * e : an instance of an event type - * f : a field of the instance - * i : the ith element - ****************************************************************************/ -void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) +gint ltt_event_position_compare(const LttEventPosition *ep1, + const LttEventPosition *ep2) { - unsigned element_number; - LttField *fld; - int k, size; - void *evD; - - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) - return ; + if(ep1 == NULL && ep2 == NULL) + return 0; + if(ep1 != NULL && ep2 == NULL) + return -1; + if(ep1 == NULL && ep2 != NULL) + return 1; - element_number = ltt_event_field_element_number(e,f); - if((element_number-1) < i || i < 0) return; - - fld = f->child[0]; - - evD = e->data + f->offset_root; - size = 0; - for(k=0;koffset_root+size,size, fld, evD+size); - } - - f->current_element = i - 1; + 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(ep1->block > ep2->block) + return 1; + if(ep1->offset < ep2->offset) + return -1; + if(ep1->offset > ep2->offset) + return 1; + return 0; } /***************************************************************************** - * These functions extract data from an event after architecture specific - * conversions + * Function name + * ltt_event_position_copy : copy position + * Input params + * src : a pointer to event's position structure source + * dest : a pointer to event's position structure dest + * Return + * void ****************************************************************************/ - -unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) +void ltt_event_position_copy(LttEventPosition *dest, + const LttEventPosition *src) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - LttTypeEnum t = f->field_type->type_class; - - if(t != LTT_UINT && t != LTT_ENUM) - g_error("The type of the field is not unsigned int\n"); - - if(f->field_size == 1){ - uint8_t x = *(uint8_t*)(e->data + f->offset_root); - return (unsigned int) x; - }else if(f->field_size == 2){ - uint16_t x = *(uint16_t*)(e->data + f->offset_root); - return (unsigned int) (revFlag ? BREV16(x): x); - }else if(f->field_size == 4){ - uint32_t x = *(uint32_t*)(e->data + f->offset_root); - return (unsigned int) (revFlag ? BREV32(x): x); - }else if(f->field_size == 8){ - uint64_t x = *(uint64_t*)(e->data + f->offset_root); - return (unsigned int) (revFlag ? BREV64(x): x); - } + if(src == NULL) + dest = NULL; + else + *dest = *src; } -int ltt_event_get_int(LttEvent *e, LttField *f) -{ - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - - if(f->field_type->type_class != LTT_INT) - g_error("The type of the field is not int\n"); - if(f->field_size == 1){ - int8_t x = *(int8_t*)(e->data + f->offset_root); - return (int) x; - }else if(f->field_size == 2){ - int16_t x = *(int16_t*)(e->data + f->offset_root); - return (int) (revFlag ? BREV16(x): x); - }else if(f->field_size == 4){ - int32_t x = *(int32_t*)(e->data + f->offset_root); - return (int) (revFlag ? BREV32(x): x); - }else if(f->field_size == 8){ - int64_t x = *(int64_t*)(e->data + f->offset_root); - return (int) (revFlag ? BREV64(x): x); - } -} -unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) +LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - LttTypeEnum t = f->field_type->type_class; - - if(t != LTT_UINT && t != LTT_ENUM) - g_error("The type of the field is not unsigned long\n"); - - if(f->field_size == 1){ - uint8_t x = *(uint8_t*)(e->data + f->offset_root); - return (unsigned long) x; - }else if(f->field_size == 2){ - uint16_t x = *(uint16_t*)(e->data + f->offset_root); - return (unsigned long) (revFlag ? BREV16(x): x); - }else if(f->field_size == 4){ - uint32_t x = *(uint32_t*)(e->data + f->offset_root); - return (unsigned long) (revFlag ? BREV32(x): x); - }else if(f->field_size == 8){ - uint64_t x = *(uint64_t*)(e->data + f->offset_root); - return (unsigned long) (revFlag ? BREV64(x): x); - } + return ep->tracefile; } -long int ltt_event_get_long_int(LttEvent *e, LttField *f) -{ - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - - if( f->field_type->type_class != LTT_INT) - g_error("The type of the field is not long int\n"); - - if(f->field_size == 1){ - int8_t x = *(int8_t*)(e->data + f->offset_root); - return (long) x; - }else if(f->field_size == 2){ - int16_t x = *(int16_t*)(e->data + f->offset_root); - return (long) (revFlag ? BREV16(x): x); - }else if(f->field_size == 4){ - int32_t x = *(int32_t*)(e->data + f->offset_root); - return (long) (revFlag ? BREV32(x): x); - }else if(f->field_size == 8){ - int64_t x = *(int64_t*)(e->data + f->offset_root); - return (long) (revFlag ? BREV64(x): x); - } -} - -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; - - if(f->field_type->type_class != LTT_FLOAT || - (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) - g_error("The type of the field is not float\n"); - - if(revFlag == 0) return *(float *)(e->data + f->offset_root); - else{ - uint32_t aInt; - memcpy((void*)&aInt, e->data + f->offset_root, 4); - aInt = ___swab32(aInt); - return *((float*)&aInt); - } -} - -double ltt_event_get_double(LttEvent *e, LttField *f) -{ - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - - if(f->field_type->type_class != LTT_FLOAT || - (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) - g_error("The type of the field is not double\n"); - - if(revFlag == 0) return *(double *)(e->data + f->offset_root); - else{ - uint64_t aInt; - memcpy((void*)&aInt, e->data + f->offset_root, 8); - aInt = ___swab64(aInt); - return *((double *)&aInt); - } -} - -/***************************************************************************** - * The string obtained is only valid until the next read from - * the same tracefile. - ****************************************************************************/ - -char *ltt_event_get_string(LttEvent *e, LttField *f) -{ - if(f->field_type->type_class != LTT_STRING) - g_error("The field contains no string\n"); - return (char*)g_strdup((char*)(e->data + f->offset_root)); -}