X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=8d1733409d7e6c15396a6e9489bfad5f9024cbc5;hb=a7074914336ce23cf36d7b8f3ba940e323e778b2;hp=20d71d91a17d09b1e4c5e2e8160dc2425c045111;hpb=6cd62ccfe338056a2a7571addbb63e0e16354e86;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index 20d71d91..8d173340 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,350 +1,306 @@ -#include -#include -#include -#include "LTTTypes.h" -#include "parser.h" #include +#include +#include /***************************************************************************** *Function name - * ltt_facility_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(ltt_event *e) -{ - return (unsigned) e->event_id; -} - -/***************************************************************************** - *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 - * ltt_facility * : the facility of the event + * ep : a pointer to event's position structure + * tf : tracefile pointer + * block : current block + * offset : current offset + * tsc : current tsc ****************************************************************************/ - -ltt_facility *ltt_event_facility(ltt_event *e) +void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, + guint *block, guint *offset, guint64 *tsc) { - ltt_eventtype * evT; - ptr_wrap * ptr; - ptr = (ptr_wrap*)g_ptr_array_index(e->tracefile->eventtype_event_id, - (gint)(e->event_id)); - evT = (ltt_eventtype*)(ptr->ptr); - - if(!evT) return NULL; - return evT->facility; + *tf = ep->tracefile; + *block = ep->block; + *offset = ep->offset; + *tsc = ep->tsc; } -/***************************************************************************** - *Function name - * ltt_event_eventtype : get the event type of the event - *Input params - * e : an instance of an event type - *Return value - * ltt_eventtype * : the event type of the event - ****************************************************************************/ -ltt_eventtype *ltt_event_eventtype(ltt_event *e) +void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, + guint block, guint offset, guint64 tsc) { - ptr_wrap * ptr; - ptr = (ptr_wrap*)g_ptr_array_index(e->tracefile->eventtype_event_id, - (gint)(e->event_id)); - return (ltt_eventtype*)(ptr->ptr); + ep->tracefile = tf; + ep->block = block; + ep->offset = offset; + ep->tsc = tsc; } -/***************************************************************************** - *Function name - * ltt_event_time : get the time of the event - *Input params - * e : an instance of an event type - *Return value - * ltt_time : the time of the event - ****************************************************************************/ - -ltt_time ltt_event_time(ltt_event *e) -{ - return getEventTime(e->tracefile); -} /***************************************************************************** *Function name - * ltt_event_time : get the cycle count of the event + * ltt_event_position : get the event's position *Input params - * e : an instance of an event type - *Return value - * ltt_time : the cycle count of the event + * e : an instance of an event type + * ep : a pointer to event's position structure ****************************************************************************/ -ltt_cycle_count ltt_event_cycle_count(ltt_event *e) +void ltt_event_position(LttEvent *e, LttEventPosition *ep) { - return e->cycle_count; + ep->tracefile = e->tracefile; + ep->block = e->block; + ep->offset = e->offset; + ep->tsc = e->tsc; } -/***************************************************************************** - *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 - ****************************************************************************/ - -unsigned ltt_event_cpu_id(ltt_event *e) +LttEventPosition * ltt_event_position_new() { - return e->tracefile->trace_header->cpu_id; + return g_new(LttEventPosition, 1); } -/***************************************************************************** - *Function name - * ltt_event_cpu_i: get the name of the system where the event happens - *Input params - * e : an instance of an event type - *Return value - * char * : the name of the system - ****************************************************************************/ - -char *ltt_event_system_name(ltt_event *e) -{ - return e->tracefile->trace_header->system_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 + * 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 ****************************************************************************/ -void *ltt_event_data(ltt_event *e) + +gint ltt_event_position_compare(const LttEventPosition *ep1, + const LttEventPosition *ep2) { - return e->data; + if(ep1 == NULL && ep2 == NULL) + return 0; + if(ep1 != NULL && ep2 == NULL) + return -1; + if(ep1 == NULL && ep2 != NULL) + return 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; } /***************************************************************************** - *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 + * 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_field_element_number(ltt_event *e, ltt_field *f) +void ltt_event_position_copy(LttEventPosition *dest, + const LttEventPosition *src) { - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) - return 0; - - return f->field_type->element_number; + if(src == NULL) + dest = NULL; + else + *dest = *src; } -/***************************************************************************** - *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 - *Return value - * int : ???? error number - ****************************************************************************/ -int ltt_event_field_element_select(ltt_event *e, ltt_field *f, unsigned i) -{ - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) - return -1; //????? - - if(f->field_type->element_number < i || i == 0) return -1; //???? - f->current_element = i - 1; - return 0; +LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) +{ + return ep->tracefile; } /***************************************************************************** * These functions extract data from an event after architecture specific * conversions ****************************************************************************/ - -unsigned ltt_event_get_unsigned(ltt_event *e, ltt_field *f) +guint32 ltt_event_get_unsigned(LttEvent *e, struct marker_field *f) { - ltt_arch_size rSize = e->tracefile->trace_header->arch_size; - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; - ltt_type_enum 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(rSize == LTT_LP32){ - if(f->field_size != 2) - g_error("The type of the field is not unsigned int: uint16_t\n"); - else{ - uint16_t x = *(uint16_t *)(e->data + f->offset_root); - return (unsigned) (revFlag ? BREV16(x) : x); - } - }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){ - if(f->field_size != 4) - g_error("The type of the field is not unsigned int: uint32_t\n"); - else{ - uint32_t x = *(uint32_t *)(e->data + f->offset_root); - return (unsigned) (revFlag ? BREV32(x): x); - } - }else if(rSize == LTT_ILP64){ - if(f->field_size != 8) - g_error("The type of the field is not unsigned int: uint64_t\n"); - else{ - uint64_t x = *(uint64_t *)(e->data + f->offset_root); - return (unsigned) (revFlag ? BREV64(x): x); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->size) { + case 1: + { + guint8 x = *(guint8 *)(e->data + f->offset); + return (guint32) x; } + break; + case 2: + return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset); + break; + case 4: + return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset); + break; + case 8: + default: + g_critical("ltt_event_get_unsigned : field size %i unknown", f->size); + return 0; + break; } } -int ltt_event_get_int(ltt_event *e, ltt_field *f) +gint32 ltt_event_get_int(LttEvent *e, struct marker_field *f) { - ltt_arch_size rSize = e->tracefile->trace_header->arch_size; - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; - - if(f->field_type->type_class != LTT_INT) - g_error("The type of the field is not int\n"); - - if(rSize == LTT_LP32){ - if(f->field_size != 2) - g_error("The type of the field is not int: int16_t\n"); - else{ - int16_t x = *(int16_t *)(e->data + f->offset_root); - return (int) (revFlag ? BREV16(x) : x); - } - }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){ - if(f->field_size != 4) - g_error("The type of the field is not int: int32_t\n"); - else{ - int32_t x = *(int32_t *)(e->data + f->offset_root); - return (int) (revFlag ? BREV32(x): x); - } - }else if(rSize == LTT_ILP64){ - if(f->field_size != 8) - g_error("The type of the field is not int: int64_t\n"); - else{ - int64_t x = *(int64_t *)(e->data + f->offset_root); - return (int) (revFlag ? BREV64(x): x); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->size) { + case 1: + { + gint8 x = *(gint8 *)(e->data + f->offset); + return (gint32) x; } + break; + case 2: + return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset); + break; + case 4: + return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset); + break; + case 8: + default: + g_critical("ltt_event_get_int : field size %i unknown", f->size); + return 0; + break; } } -unsigned long ltt_event_get_long_unsigned(ltt_event *e, ltt_field *f) +guint64 ltt_event_get_long_unsigned(LttEvent *e, struct marker_field *f) { - ltt_arch_size rSize = e->tracefile->trace_header->arch_size; - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; - ltt_type_enum 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(rSize == LTT_LP32 || rSize == LTT_ILP32 ){ - if(f->field_size != 4) - g_error("The type of the field is not unsigned long: uint32_t\n"); - else{ - uint32_t x = *(uint32_t *)(e->data + f->offset_root); - return (unsigned long) (revFlag ? BREV32(x) : x); - } - }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){ - if(f->field_size != 8) - g_error("The type of the field is not unsigned long: uint64_t\n"); - else{ - uint64_t x = *(uint64_t *)(e->data + f->offset_root); - return (unsigned long) (revFlag ? BREV64(x): x); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->size) { + case 1: + { + guint8 x = *(guint8 *)(e->data + f->offset); + return (guint64) x; } + break; + case 2: + return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset); + break; + case 4: + return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset); + break; + case 8: + return ltt_get_uint64(reverse_byte_order, e->data + f->offset); + break; + default: + g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->size); + return 0; + break; } } -long int ltt_event_get_long_int(ltt_event *e, ltt_field *f) +gint64 ltt_event_get_long_int(LttEvent *e, struct marker_field *f) { - ltt_arch_size rSize = e->tracefile->trace_header->arch_size; - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; - - if( f->field_type->type_class != LTT_INT) - g_error("The type of the field is not long int\n"); - - if(rSize == LTT_LP32 || rSize == LTT_ILP32 ){ - if(f->field_size != 4) - g_error("The type of the field is not long int: int32_t\n"); - else{ - int32_t x = *(int32_t *)(e->data + f->offset_root); - return (long) (revFlag ? BREV32(x) : x); - } - }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){ - if(f->field_size != 8) - g_error("The type of the field is not long int: int64_t\n"); - else{ - int64_t x = *(int64_t *)(e->data + f->offset_root); - return (long) (revFlag ? BREV64(x): x); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->size) { + case 1: + { + gint8 x = *(gint8 *)(e->data + f->offset); + return (gint64) x; } + break; + case 2: + return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset); + break; + case 4: + return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset); + break; + case 8: + return ltt_get_int64(reverse_byte_order, e->data + f->offset); + break; + default: + g_critical("ltt_event_get_long_int : field size %i unknown", f->size); + return 0; + break; } } -float ltt_event_get_float(ltt_event *e, ltt_field *f) +#if 0 +float ltt_event_get_float(LttEvent *e, struct marker_field *f) { - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + g_assert(LTT_HAS_FLOAT(e->tracefile)); + reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + } - 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"); + g_assert(f->field_type.type_class == LTT_FLOAT && f->size == 4); - if(revFlag == 0) return *(float *)(e->data + f->offset_root); + if(reverse_byte_order == 0) return *(float *)(e->data + f->offset); else{ - uint32_t aInt; - memcpy((void*)&aInt, e->data + f->offset_root, 4); - aInt = ___swab32(aInt); - return *((float*)&aInt); + void *ptr = e->data + f->offset; + guint32 value = bswap_32(*(guint32*)ptr); + return *(float*)&value; } } -double ltt_event_get_double(ltt_event *e, ltt_field *f) +double ltt_event_get_double(LttEvent *e, struct marker_field *f) { - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + g_assert(LTT_HAS_FLOAT(e->tracefile)); + reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + } - 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(f->size == 4) + return ltt_event_get_float(e, f); + + g_assert(f->field_type.type_class == LTT_FLOAT && f->size == 8); - 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); + if(reverse_byte_order == 0) return *(double *)(e->data + f->offset); + else { + void *ptr = e->data + f->offset; + guint64 value = bswap_64(*(guint64*)ptr); + return *(double*)&value; } } +#endif /***************************************************************************** * The string obtained is only valid until the next read from - * the same tracefile. ???? + * the same tracefile. ****************************************************************************/ - -char *ltt_event_get_string(ltt_event *e, ltt_field *f) +char *ltt_event_get_string(LttEvent *e, struct marker_field *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)); + g_assert(f->type == LTT_TYPE_STRING); + + return (gchar*)g_strdup((gchar*)(e->data + f->offset)); } + +