X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=bcb013f172e94ef575033bd3e1f3f8b6ee7daeff;hb=29af7cfdc9979121f09db4ba7c154f52d0fb518e;hp=a5b046814027e30f74b3f9410518a85284cebdb0;hpb=fadf7e8bf9429ba26e5e0b3203933c1a64c4a14d;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index a5b04681..bcb013f1 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,299 +1,5 @@ -/* This file is part of the Linux Trace Toolkit viewer - * Copyright (C) 2003-2004 Xiangxiu Yang - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License Version 2 as - * published by the Free Software Foundation; - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; 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 "parser.h" -#include -#include "ltt-private.h" #include -#include -#include - -LttEvent *ltt_event_new() -{ - return g_new(LttEvent, 1); -} - -void ltt_event_destroy(LttEvent *event) -{ - g_free(event); -} - - -#if 0 -/* Use get_field_type_size instead */ -/***************************************************************************** - *Function name - * ltt_event_refresh_fields : refresh fields of an event - *Input params - * offsetRoot : offset from the root - * offsetParent : offset from the parent - * fld : field - * evD : event data - * reverse_byte_order : 1 or 0 - *Return value - * int : size of the field - ****************************************************************************/ - -int ltt_event_refresh_fields(int offsetRoot,int offsetParent, - LttField * fld, void *evD, gboolean reverse_byte_order) -{ - int size, size1, element_number, i, offset1, offset2; - LttType * type = fld->field_type; - - switch(type->type_class) { - case 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, reverse_byte_order); - } - }else size = fld->field_size; - break; - - case LTT_SEQUENCE: - size1 = fld->sequ_number_size; - element_number = getIntNumber(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;ichild[0], evD+size+size1, reverse_byte_order); - } - size += size1; - } - break; - - case LTT_STRING: - size = strlen((gchar*)evD) + 1; //include end : '\0' - break; - - case LTT_STRUCT: - element_number = (int) type->element_number; - if(fld->field_fixed == 0){ - offset1 = offsetRoot; - offset2 = 0; - for(i=0;ichild[i],evD+offset2, reverse_byte_order); - offset1 += size; - offset2 += size; - } - size = offset2; - }else size = fld->field_size; - break; - - case LTT_UNION: - size = fld->field_size; - break; - - default: - size = fld->field_size; - } - -#if 0 - 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; - } -#endif //0 - 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; -} -#endif //0 - - -/***************************************************************************** - *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(const LttEvent *e) -{ - return (unsigned) e->event_id; -} - -/***************************************************************************** - *Function name - * ltt_event_facility : get the facility of the event - *Input params - * e : an instance of an event type - *Return value - * LttFacility * : the facility of the event - ****************************************************************************/ - -LttFacility *ltt_event_facility(const LttEvent *e) -{ - LttTrace * trace = e->tracefile->trace; - unsigned id = e->facility_id; - LttFacility *facility = ltt_trace_facility_by_id(trace,id); - - g_assert(facility->exists); - - return facility; -} - -/***************************************************************************** - *Function name - * ltt_event_facility_id : get the facility id of the event - *Input params - * e : an instance of an event type - *Return value - * unsigned : the facility of the event - ****************************************************************************/ - -unsigned ltt_event_facility_id(const LttEvent *e) -{ - return e->facility_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(const LttEvent *e) -{ - LttFacility* facility = ltt_event_facility(e); - if(!facility) return NULL; - return &g_array_index(facility->events, LttEventType, e->event_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 - ****************************************************************************/ - -LttField *ltt_event_field(LttEvent *e) -{ - LttField * field; - LttEventType * event_type = ltt_event_eventtype(e); - if(unlikely(!event_type)) return NULL; - field = event_type->root_field; - if(unlikely(!field)) return NULL; - - get_field_type_size(e->tracefile, event_type, 0, 0, - field, e->data); - - return field; -} - -/***************************************************************************** - *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(const LttEvent *e) -{ - return e->event_time; -} - -/***************************************************************************** - *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(const LttEvent *e) -{ - return e->tsc; -} - - /***************************************************************************** *Function name @@ -316,6 +22,16 @@ void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, } +void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, + guint block, guint offset, guint64 tsc) +{ + ep->tracefile = tf; + ep->block = block; + ep->offset = offset; + ep->tsc = tsc; +} + + /***************************************************************************** *Function name * ltt_event_position : get the event's position @@ -401,386 +117,3 @@ LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) return ep->tracefile; } -/***************************************************************************** - *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(LttEvent *e) -{ - return e->tracefile->cpu_num; -} - -/***************************************************************************** - *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 - ****************************************************************************/ -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) - return 0; - - if(f->field_type->type_class == LTT_ARRAY) - return f->field_type->element_number; - return ltt_get_uint(LTT_GET_BO(e->tracefile), 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 - * O(1) if fields are of fixed size, else O(n) if fields are - * of variable size. - *Input params - * e : an instance of an event type - * f : a field of the instance - * i : the ith element (0, ...) - ****************************************************************************/ -void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) -{ - unsigned element_number; - LttField *field; - unsigned int k; - size_t size; - LttEventType *event_type; - - if(f->field_type->type_class != LTT_ARRAY && - f->field_type->type_class != LTT_SEQUENCE) - return ; - - 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; - - field = f->child[0]; - - if(f->field_type->type_class == LTT_SEQUENCE) - size = f->sequ_number_size; - else - size = 0; - - if(field->fixed_size == FIELD_FIXED) { - size += field->field_size * i; - - get_field_type_size(e->tracefile, event_type, - f->offset_root+size, size, field, e->data); - - } else { - for(k=0;k<=i;k++){ - size += get_field_type_size(e->tracefile, event_type, - f->offset_root+size, size, field, e->data); - } - } - f->current_element = i; -} - -/***************************************************************************** - * These functions extract data from an event after architecture specific - * conversions - ****************************************************************************/ -guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f) -{ - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - LttTypeEnum t = f->field_type->type_class; - - g_assert(t == LTT_UINT || t == LTT_ENUM); - - if(f->field_size == 1){ - guint8 x = *(guint8 *)(e->data + f->offset_root); - return (guint32) x; - }else if(f->field_size == 2){ - return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 4){ - return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); - } -#if 0 - else if(f->field_size == 8){ - guint64 x = *(guint64 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned int) (revFlag ? GUINT64_FROM_BE(x): x); - else - return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x); - } -#endif //0 - g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); - return 0; -} - -gint32 ltt_event_get_int(LttEvent *e, LttField *f) -{ - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - g_assert(f->field_type->type_class == LTT_INT); - - if(f->field_size == 1){ - gint8 x = *(gint8 *)(e->data + f->offset_root); - return (gint32) x; - }else if(f->field_size == 2){ - return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 4){ - return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); - } -#if 0 - else if(f->field_size == 8){ - gint64 x = *(gint64 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (int) (revFlag ? GINT64_FROM_BE(x): x); - else - return (int) (revFlag ? GINT64_FROM_LE(x): x); - } -#endif //0 - g_critical("ltt_event_get_int : field size %i unknown", f->field_size); - return 0; -} - -guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f) -{ - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - LttTypeEnum t = f->field_type->type_class; - - g_assert(t == LTT_UINT || t == LTT_ENUM - || t == LTT_ULONG || LTT_SIZE_T || LTT_OFF_T || LTT_POINTER); - - if(f->field_size == 1){ - guint8 x = *(guint8 *)(e->data + f->offset_root); - return (guint64) x; - }else if(f->field_size == 2){ - return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 4){ - return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 8){ - return ltt_get_uint64(reverse_byte_order, e->data + f->offset_root); - } - g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size); - return 0; -} - -gint64 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; - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - g_assert( f->field_type->type_class == LTT_INT - || f->field_type->type_class == LTT_LONG - || f->field_type->type_class == LTT_SSIZE_T); - - if(f->field_size == 1){ - gint8 x = *(gint8 *)(e->data + f->offset_root); - return (gint64) x; - }else if(f->field_size == 2){ - return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 4){ - return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); - }else if(f->field_size == 8){ - return ltt_get_int64(reverse_byte_order, e->data + f->offset_root); - } - g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); - return 0; -} - -float ltt_event_get_float(LttEvent *e, LttField *f) -{ - g_assert(LTT_HAS_FLOAT(e->tracefile)); - gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); - - g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4); - - if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root); - else{ - void *ptr = e->data + f->offset_root; - guint32 value = bswap_32(*(guint32*)ptr); - return *(float*)&value; - } -} - -double ltt_event_get_double(LttEvent *e, LttField *f) -{ - g_assert(LTT_HAS_FLOAT(e->tracefile)); - gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); - - g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8); - - 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. - ****************************************************************************/ -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 - * 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, - offset_root, offset_parent, - field->child[0], data)); - } else { - size += field->sequ_number_size; - for(i=0;ichild[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;ifield_type->element_number;i++) { - size_t child_size; - child_size = get_field_type_size(tf, 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;ielement_number;i++) { - child_size = get_field_type_size(tf, - 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;ielement_number;i++) { - size = get_field_type_size(tf, 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; -} - -