X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=0e87646e258c41d03500884144f2f76f0b709fc2;hb=3c165eaf5aa1e60ce88c036cfb692ce3e1d81585;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..0e87646e 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,24 +1,72 @@ +/* This file is part of the Linux Trace Toolkit viewer + * Copyright (C) 2003-2004 Xiangxiu Yang + * 2006 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License Version 2.1 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + #include +#include +#include +#include + #include -#include +#include -#include "LTTTypes.h" #include "parser.h" +#include +#include "ltt-private.h" #include +#include +#include +#include + + +void compute_fields_offsets(LttTracefile *tf, + LttFacility *fac, LttField *field, off_t *offset, void *root, + guint is_compact); + + +LttEvent *ltt_event_new() +{ + return g_new(LttEvent, 1); +} + +void ltt_event_destroy(LttEvent *event) +{ + g_free(event); +} + /***************************************************************************** *Function name - * ltt_facility_eventtype_id: get event type id - * (base id + position of the event) + * ltt_event_eventtype_id: get event type id + * (base id + position of the event) *Input params - * e : an instance of an event type + * e : an instance of an event type *Return value - * unsigned : event type id + * unsigned : event type id ****************************************************************************/ -unsigned ltt_event_eventtype_id(ltt_event *e) +uint16_t ltt_event_eventtype_id(const LttEvent *e) { - return (unsigned) e->event_id; + return e->event_id; } /***************************************************************************** @@ -27,92 +75,170 @@ unsigned ltt_event_eventtype_id(ltt_event *e) *Input params * e : an instance of an event type *Return value - * ltt_facility * : the facility of the event + * struct marker_info *: the marker associated with the event ****************************************************************************/ -ltt_facility *ltt_event_facility(ltt_event *e) +struct marker_info *ltt_event_marker(const LttEvent *e) { - 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; + return marker_get_info_from_id(e->tracefile->trace, e->event_id); } /***************************************************************************** *Function name - * ltt_event_eventtype : get the event type of the event + * ltt_event_time : get the time of the event *Input params - * e : an instance of an event type + * e : an instance of an event type *Return value - * ltt_eventtype * : the event type of the event + * LttTime : the time of the event ****************************************************************************/ -ltt_eventtype *ltt_event_eventtype(ltt_event *e) +LttTime ltt_event_time(const LttEvent *e) { - ptr_wrap * ptr; - ptr = (ptr_wrap*)g_ptr_array_index(e->tracefile->eventtype_event_id, - (gint)(e->event_id)); - return (ltt_eventtype*)(ptr->ptr); + return e->event_time; } /***************************************************************************** *Function name - * ltt_event_time : get the time of the event + * ltt_event_time : get the cycle count of the event *Input params * e : an instance of an event type *Return value - * ltt_time : the time of the event + * LttCycleCount : the cycle count of the event ****************************************************************************/ -ltt_time ltt_event_time(ltt_event *e) +LttCycleCount ltt_event_cycle_count(const LttEvent *e) { - return getEventTime(e->tracefile); + return e->tsc; } /***************************************************************************** *Function name - * ltt_event_time : get the cycle count of the event + * ltt_event_position_get : get the event position data *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 + * tf : tracefile pointer + * block : current block + * offset : current offset + * tsc : current tsc ****************************************************************************/ +void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, + guint *block, guint *offset, guint64 *tsc) +{ + *tf = ep->tracefile; + *block = ep->block; + *offset = ep->offset; + *tsc = ep->tsc; +} + -ltt_cycle_count ltt_event_cycle_count(ltt_event *e) +void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, + guint block, guint offset, guint64 tsc) { - return e->cycle_count; + ep->tracefile = tf; + ep->block = block; + ep->offset = offset; + ep->tsc = tsc; } + /***************************************************************************** *Function name - * ltt_event_cpu_i: get the cpu id where the event happens + * ltt_event_position : get the event's position *Input params - * e : an instance of an event type - *Return value - * unsigned : the cpu id + * e : an instance of an event type + * ep : a pointer to event's position structure + ****************************************************************************/ + +void ltt_event_position(LttEvent *e, LttEventPosition *ep) +{ + 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_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(ltt_event *e) + +gint ltt_event_position_compare(const LttEventPosition *ep1, + const LttEventPosition *ep2) { - return e->tracefile->trace_header->cpu_id; + 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_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 + ****************************************************************************/ +void ltt_event_position_copy(LttEventPosition *dest, + const LttEventPosition *src) +{ + if(src == NULL) + dest = NULL; + else + *dest = *src; +} + + + +LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) +{ + return ep->tracefile; } /***************************************************************************** *Function name - * ltt_event_cpu_i: get the name of the system where the event happens + * ltt_event_cpu_i: get the cpu id where the event happens *Input params * e : an instance of an event type *Return value - * char * : the name of the system + * unsigned : the cpu id ****************************************************************************/ -char *ltt_event_system_name(ltt_event *e) +unsigned ltt_event_cpu_id(LttEvent *e) { - return e->tracefile->trace_header->system_name; + return e->tracefile->cpu_num; } /***************************************************************************** @@ -124,7 +250,7 @@ char *ltt_event_system_name(ltt_event *e) * void * : pointer to the raw data for the event ****************************************************************************/ -void *ltt_event_data(ltt_event *e) +void *ltt_event_data(LttEvent *e) { return e->data; } @@ -136,19 +262,21 @@ void *ltt_event_data(ltt_event *e) * 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 ???? + * 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(ltt_event *e, ltt_field *f) +guint64 ltt_event_field_element_number(LttEvent *e, LttField *f) { - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) + if(f->field_type.type_class != LTT_ARRAY && + f->field_type.type_class != LTT_SEQUENCE) return 0; - - return f->field_type->element_number; + + if(f->field_type.type_class == LTT_ARRAY) + return f->field_type.size; + return ltt_event_get_long_unsigned(e, &g_array_index(f->field_type.fields, + LttField, 0)); } /***************************************************************************** @@ -156,195 +284,457 @@ unsigned ltt_event_field_element_number(ltt_event *e, ltt_field *f) * ltt_event_field_element_select * : Set the currently selected element for a sequence or * array field + * O(1) because of offset array. *Input params - * e : an instance of an event type ???? + * e : an instance of an event type * f : a field of the instance - * i : the ith element - *Return value - * int : ???? error number + * i : the ith element (0, ...) + *returns : the child field, at the right index, updated. ****************************************************************************/ - -int ltt_event_field_element_select(ltt_event *e, ltt_field *f, unsigned i) +LttField *ltt_event_field_element_select(LttEvent *e, LttField *f, gulong 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; //???? + gulong element_number; + LttField *field; + unsigned int k; + size_t size; + LttEventType *event_type; + off_t new_offset; + + if(f->field_type.type_class != LTT_ARRAY && + f->field_type.type_class != LTT_SEQUENCE) + return NULL; + + element_number = ltt_event_field_element_number(e,f); + event_type = ltt_event_eventtype(e); + /* Sanity check for i : 0..n-1 only, and must be lower or equal element_number + */ + if(i >= element_number) return NULL; + + if(f->field_type.type_class == LTT_ARRAY) { + field = &g_array_index(f->field_type.fields, LttField, 0); + } else { + field = &g_array_index(f->field_type.fields, LttField, 1); + } + + if(field->field_size != 0) { + if(f->array_offset + (i * field->field_size) == field->offset_root) + return field; /* fixed length child, already at the right offset */ + else + new_offset = f->array_offset + (i * field->field_size); + } else { + /* Var. len. child */ + new_offset = g_array_index(f->dynamic_offsets, off_t, i); + } + compute_fields_offsets(e->tracefile, + ltt_event_facility(e), field, &new_offset, e->data, 0); - f->current_element = i - 1; - return 0; + return field; } + +off_t ltt_event_field_offset(LttEvent *e, LttField *f) +{ + return f->offset_root; +} + + + /***************************************************************************** * 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, LttField *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->field_type.network)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->field_size) { + case 1: + { + guint8 x = *(guint8 *)(e->data + f->offset_root); + return (guint32) x; } + break; + case 2: + return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); + break; + case 4: + return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); + break; + case 8: + default: + g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); + return 0; + break; } } -int ltt_event_get_int(ltt_event *e, ltt_field *f) +gint32 ltt_event_get_int(LttEvent *e, LttField *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->field_type.network)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->field_size) { + case 1: + { + gint8 x = *(gint8 *)(e->data + f->offset_root); + return (gint32) x; } + break; + case 2: + return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); + break; + case 4: + return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); + break; + case 8: + default: + g_critical("ltt_event_get_int : field size %i unknown", f->field_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, LttField *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->field_type.network)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->field_size) { + case 1: + { + guint8 x = *(guint8 *)(e->data + f->offset_root); + return (guint64) x; } + break; + case 2: + return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); + break; + case 4: + return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); + break; + case 8: + return ltt_get_uint64(reverse_byte_order, e->data + f->offset_root); + break; + default: + g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_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, LttField *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->field_type.network)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->field_size) { + case 1: + { + gint8 x = *(gint8 *)(e->data + f->offset_root); + return (gint64) x; } + break; + case 2: + return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); + break; + case 4: + return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); + break; + case 8: + return ltt_get_int64(reverse_byte_order, e->data + f->offset_root); + break; + default: + g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); + return 0; + break; } } -float ltt_event_get_float(ltt_event *e, ltt_field *f) +float ltt_event_get_float(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; + gboolean reverse_byte_order; + if(unlikely(f->field_type.network)) { + 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->field_size == 4); - if(revFlag == 0) return *(float *)(e->data + f->offset_root); + if(reverse_byte_order == 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); + void *ptr = e->data + f->offset_root; + 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, LttField *f) { - int revFlag = e->tracefile->my_arch_endian == - e->tracefile->trace_header->arch_endian ? 0:1; + gboolean reverse_byte_order; + if(unlikely(f->field_type.network)) { + 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->field_size == 4) + return ltt_event_get_float(e, f); + + g_assert(f->field_type.type_class == LTT_FLOAT && f->field_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_root); + else { + void *ptr = e->data + f->offset_root; + guint64 value = bswap_64(*(guint64*)ptr); + return *(double*)&value; } } /***************************************************************************** * The string obtained is only valid until the next read from - * the same tracefile. ???? + * the same tracefile. + ****************************************************************************/ +char *ltt_event_get_string(LttEvent *e, LttField *f) +{ + g_assert(f->field_type.type_class == LTT_STRING); + + return (gchar*)g_strdup((gchar*)(e->data + f->offset_root)); +} + +/***************************************************************************** + *Function name + * compute_fields_offsets : set the precomputable offset of the fields + *Input params + * fac : facility + * field : the field + * offset : pointer to the current offset, must be incremented ****************************************************************************/ -char *ltt_event_get_string(ltt_event *e, ltt_field *f) +#if 0 +void compute_fields_offsets(LttTracefile *tf, + LttFacility *fac, LttField *field, off_t *offset, void *root, guint is_compact) { - 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)); + LttType *type = &field->field_type; + + if(unlikely(is_compact)) { + g_assert(field->field_size != 0); + /* FIXME THIS IS A HUUUUUGE hack : + * offset is between the compact_data field in struct LttEvent + * and the address of the field root in the memory map. + * ark. Both will stay at the same addresses while the event + * is readable, so it's ok. + */ + field->offset_root = (unsigned long)(&tf->event.compact_data) + - (unsigned long)root; + field->fixed_root = FIELD_FIXED; + return; + } + + switch(type->type_class) { + case LTT_INT_FIXED: + case LTT_UINT_FIXED: + case LTT_POINTER: + case LTT_CHAR: + case LTT_UCHAR: + case LTT_SHORT: + case LTT_USHORT: + case LTT_INT: + case LTT_UINT: + case LTT_LONG: + case LTT_ULONG: + case LTT_SIZE_T: + case LTT_SSIZE_T: + case LTT_OFF_T: + case LTT_FLOAT: + case LTT_ENUM: + if(field->fixed_root == FIELD_VARIABLE) { + /* Align offset on type size */ + *offset += ltt_align(*offset, get_alignment(field), + fac->alignment); + /* remember offset */ + field->offset_root = *offset; + /* Increment offset */ + *offset += field->field_size; + } else { + //g_debug("type before offset : %llu %llu %u\n", *offset, + // field->offset_root, + // field->field_size); + *offset = field->offset_root; + *offset += field->field_size; + //g_debug("type after offset : %llu\n", *offset); + } + break; + case LTT_STRING: + if(field->fixed_root == FIELD_VARIABLE) { + field->offset_root = *offset; + } + *offset += strlen((gchar*)(root+*offset)) + 1; + /* Realign the data */ + *offset += ltt_align(*offset, fac->pointer_size, + fac->alignment); + break; + case LTT_ARRAY: + g_assert(type->fields->len == 1); + { + off_t local_offset; + LttField *child = &g_array_index(type->fields, LttField, 0); + if(field->fixed_root == FIELD_VARIABLE) { + *offset += ltt_align(*offset, get_alignment(field), + fac->alignment); + /* remember offset */ + field->offset_root = *offset; + field->array_offset = *offset; + } + + if(field->field_size != 0) { + /* Increment offset */ + /* field_size is the array size in bytes */ + *offset = field->offset_root + field->field_size; + } else { + guint i; + *offset = field->array_offset; + field->dynamic_offsets = g_array_set_size(field->dynamic_offsets, + 0); + for(i=0; isize; i++) { + g_array_append_val(field->dynamic_offsets, *offset); + compute_fields_offsets(tf, fac, child, offset, root, is_compact); + } + } + // local_offset = field->array_offset; + // /* Set the offset at position 0 */ + // compute_fields_offsets(tf, fac, child, &local_offset, root); + } + break; + case LTT_SEQUENCE: + g_assert(type->fields->len == 2); + { + off_t local_offset; + LttField *child; + guint i; + guint num_elem; + if(field->fixed_root == FIELD_VARIABLE) { + *offset += ltt_align(*offset, get_alignment(field), + fac->alignment); + /* remember offset */ + field->offset_root = *offset; + + child = &g_array_index(type->fields, LttField, 0); + compute_fields_offsets(tf, fac, child, offset, root, is_compact); + child = &g_array_index(type->fields, LttField, 1); + *offset += ltt_align(*offset, get_alignment(child), + fac->alignment); + field->array_offset = *offset; + + } else { + child = &g_array_index(type->fields, LttField, 1); + } + *offset = field->array_offset; + field->dynamic_offsets = g_array_set_size(field->dynamic_offsets, + 0); + num_elem = ltt_event_field_element_number(&tf->event, field); + for(i=0; idynamic_offsets, *offset); + compute_fields_offsets(tf, fac, child, offset, root, is_compact); + } + g_assert(num_elem == field->dynamic_offsets->len); + + /* Realign the data */ + *offset += ltt_align(*offset, fac->pointer_size, + fac->alignment); + + // local_offset = field->array_offset; + // /* Set the offset at position 0 */ + // compute_fields_offsets(tf, fac, child, &local_offset, root); + } + break; + case LTT_STRUCT: + { + LttField *child; + guint i; + gint ret=0; + if(field->fixed_root == FIELD_VARIABLE) { + *offset += ltt_align(*offset, get_alignment(field), + fac->alignment); + /* remember offset */ + field->offset_root = *offset; + } else { + *offset = field->offset_root; + } + for(i=0; ifields->len; i++) { + child = &g_array_index(type->fields, LttField, i); + compute_fields_offsets(tf, fac, child, offset, root, is_compact); + } + } + break; + case LTT_UNION: + { + LttField *child; + guint i; + gint ret=0; + if(field->fixed_root == FIELD_VARIABLE) { + *offset += ltt_align(*offset, get_alignment(field), + fac->alignment); + /* remember offset */ + field->offset_root = *offset; + } + for(i=0; ifields->len; i++) { + *offset = field->offset_root; + child = &g_array_index(type->fields, LttField, i); + compute_fields_offsets(tf, fac, child, offset, root, is_compact); + } + *offset = field->offset_root + field->field_size; + } + break; + case LTT_NONE: + default: + g_error("compute_fields_offsets : unknown type"); + } + +} + + +/***************************************************************************** + *Function name + * compute_offsets : set the dynamically computable offsets of an event type + *Input params + * tf : tracefile + * event : event type + * + ****************************************************************************/ +void compute_offsets(LttTracefile *tf, LttFacility *fac, + LttEventType *event, off_t *offset, void *root) +{ + guint i; + + /* compute all variable offsets */ + for(i=0; ifields->len; i++) { + //g_debug("computing offset %u of %u\n", i, event->fields->len-1); + LttField *field = &g_array_index(event->fields, LttField, i); + if(event->has_compact_data && i == 0) + compute_fields_offsets(tf, fac, field, offset, root, 1); + else + compute_fields_offsets(tf, fac, field, offset, root, 0); + } + } +#endif //0