X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=bcb013f172e94ef575033bd3e1f3f8b6ee7daeff;hb=0ceef9de84ebde74cd915e29cd0cf16e9c88692a;hp=3bc93857f51954da565fbdd77e888189ea272c7a;hpb=537b2d7f25594609d335248faea9532ae9a2a8b6;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index 3bc93857..bcb013f1 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,218 +1,36 @@ -/* 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. - */ -#include -#include -#include - -#include "parser.h" -#include -#include "ltt-private.h" #include -#include - - -LttEvent *ltt_event_new() -{ - return g_new(LttEvent, 1); -} - -void ltt_event_destroy(LttEvent *event) -{ - g_free(event); -} - /***************************************************************************** *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 - *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; -} - -/***************************************************************************** - *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 @@ -224,22 +42,10 @@ 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->tf = e->tracefile; - - /* 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; - /* end of workaround */ + ep->tracefile = e->tracefile; + ep->block = e->block; + ep->offset = e->offset; + ep->tsc = e->tsc; } LttEventPosition * ltt_event_position_new() @@ -247,44 +53,6 @@ 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 @@ -303,58 +71,23 @@ void ltt_event_position_set(LttEventPosition *ep, 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; } @@ -378,280 +111,9 @@ void ltt_event_position_copy(LttEventPosition *dest, } -/***************************************************************************** - *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) -{ - char * 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); - } -} - -/***************************************************************************** - *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) -{ - 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 ; - - 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; -} - -/***************************************************************************** - * These functions extract data from an event after architecture specific - * conversions - ****************************************************************************/ - -unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) -{ - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; - 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 (unsigned int) x; - }else if(f->field_size == 2){ - guint16 x = *(guint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned int) (revFlag ? GUINT16_FROM_BE(x): x); - else - return (unsigned int) (revFlag ? GUINT16_FROM_LE(x): x); - }else if(f->field_size == 4){ - guint32 x = *(guint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned int) (revFlag ? GUINT32_FROM_BE(x): x); - else - return (unsigned int) (revFlag ? GUINT32_FROM_LE(x): x); - }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); - } -} - -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; - - g_assert(f->field_type->type_class == LTT_INT); - - if(f->field_size == 1){ - gint8 x = *(gint8 *)(e->data + f->offset_root); - return (int) x; - }else if(f->field_size == 2){ - gint16 x = *(gint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (int) (revFlag ? GINT16_FROM_BE(x): x); - else - return (int) (revFlag ? GINT16_FROM_LE(x): x); - }else if(f->field_size == 4){ - gint32 x = *(gint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (int) (revFlag ? GINT32_FROM_BE(x): x); - else - return (int) (revFlag ? GINT32_FROM_LE(x): x); - }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); - } -} - -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; - - g_assert(t == LTT_UINT || t == LTT_ENUM); - - if(f->field_size == 1){ - guint8 x = *(guint8 *)(e->data + f->offset_root); - return (unsigned long) x; - }else if(f->field_size == 2){ - guint16 x = *(guint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned long) (revFlag ? GUINT16_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT16_FROM_LE(x): x); - }else if(f->field_size == 4){ - guint32 x = *(guint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned long) (revFlag ? GUINT32_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT32_FROM_LE(x): x); - }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 long) (revFlag ? GUINT64_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT64_FROM_LE(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; - - g_assert( f->field_type->type_class == LTT_INT); - - if(f->field_size == 1){ - gint8 x = *(gint8 *)(e->data + f->offset_root); - return (long) x; - }else if(f->field_size == 2){ - gint16 x = *(gint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (long) (revFlag ? GINT16_FROM_BE(x): x); - else - return (long) (revFlag ? GINT16_FROM_LE(x): x); - }else if(f->field_size == 4){ - gint32 x = *(gint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (long) (revFlag ? GINT32_FROM_BE(x): x); - else - return (long) (revFlag ? GINT32_FROM_LE(x): x); - }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 (long) (revFlag ? GINT64_FROM_BE(x): x); - else - return (long) (revFlag ? GINT64_FROM_LE(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; - - g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4); - - if(revFlag == 0) return *(float *)(e->data + f->offset_root); - else{ - guint32 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; - - g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8); - - if(revFlag == 0) return *(double *)(e->data + f->offset_root); - else{ - guint64 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) -{ - g_assert(f->field_type->type_class == LTT_STRING); - - return (char*)g_strdup((char*)(e->data + f->offset_root)); -}