-#include <stdio.h>
-#include <asm/types.h>
-#include <linux/byteorder/swab.h>
-#include <ltt/LTTTypes.h>
-#include "parser.h"
+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2007 Mathieu Desnoyers
+ *
+ * Complete rewrite from the original version made by XangXiu Yang.
+ *
+ * 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 <config.h>
+#endif
+
+#include <glib.h>
+
#include <ltt/event.h>
+#include <ltt/ltt-types.h>
+#include <ltt/ltt-private.h>
+#include <ltt/marker.h>
+#include <ltt/marker-field.h>
/*****************************************************************************
*Function name
- * ltt_event_refresh_fields : refresh fields of an event
+ * ltt_event_position_get : get the event position data
*Input params
- * offsetRoot : offset from the root
- * offsetParent : offset from the parrent
- * fld : field
- * evD : event data
- *Return value
- * int : size of the field
+ * 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
****************************************************************************/
-
-int ltt_event_refresh_fields(int offsetRoot,int offsetParent,
- LttField * fld, void *evD)
+void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf,
+ guint *block, guint *offset, guint64 *tsc)
{
- 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;i<element_number;i++){
- size += ltt_event_refresh_fields(offsetRoot+size,size,
- fld->child[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;i<element_number;i++){
- size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
- fld->child[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;i<element_number;i++){
- size=ltt_event_refresh_fields(offset1,offset2,fld->child[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;
+ *tf = ep->tracefile;
+ *block = ep->block;
+ *offset = ep->offset;
+ *tsc = ep->tsc;
}
-/*****************************************************************************
- *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)
+void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf,
+ guint block, guint offset, guint64 tsc)
{
- return (unsigned) e->event_id;
+ ep->tracefile = tf;
+ ep->block = block;
+ ep->offset = offset;
+ ep->tsc = tsc;
}
+
/*****************************************************************************
*Function name
- * ltt_event_facility : get the facility of the event
+ * ltt_event_position : get the event's position
*Input params
* e : an instance of an event type
- *Return value
- * LttFacility * : the facility of the event
+ * ep : a pointer to event's position structure
****************************************************************************/
-LttFacility *ltt_event_facility(LttEvent *e)
+void ltt_event_position(LttEvent *e, LttEventPosition *ep)
{
- LttTrace * trace = e->tracefile->trace;
- unsigned id = e->event_id;
- return ltt_trace_facility_by_id(trace,id);
+ ep->tracefile = e->tracefile;
+ ep->block = e->block;
+ ep->offset = e->offset;
+ ep->tsc = e->tsc;
}
-/*****************************************************************************
- *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)
+LttEventPosition * ltt_event_position_new()
{
- LttFacility* facility = ltt_event_facility(e);
- if(!facility) return NULL;
- return facility->events[e->event_id - facility->base_id];
+ return g_new(LttEventPosition, 1);
}
-/*****************************************************************************
- *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(!event_type) return NULL;
- field = event_type->root_field;
-
- //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;
-}
/*****************************************************************************
- *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
+ * 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
****************************************************************************/
-LttTime ltt_event_time(LttEvent *e)
+
+gint ltt_event_position_compare(const LttEventPosition *ep1,
+ const LttEventPosition *ep2)
{
- return e->event_time;
+ 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_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
+ * 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
****************************************************************************/
-
-LttCycleCount ltt_event_cycle_count(LttEvent *e)
+void ltt_event_position_copy(LttEventPosition *dest,
+ const LttEventPosition *src)
{
- return e->event_cycle_count;
+ if(src == NULL)
+ dest = NULL;
+ else
+ *dest = *src;
}
-/*****************************************************************************
- *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 (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)
+LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep)
{
- return e->data;
+ return ep->tracefile;
}
/*****************************************************************************
- *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
+ * These functions extract data from an event after architecture specific
+ * conversions
****************************************************************************/
-
-unsigned ltt_event_field_element_number(LttEvent *e, LttField *f)
+guint32 ltt_event_get_unsigned(LttEvent *e, struct marker_field *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
- ****************************************************************************/
+ gboolean reverse_byte_order;
-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;k<i;k++){
- size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size);
+ 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);
}
- f->current_element = i - 1;
+ 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;
+ }
}
-/*****************************************************************************
- * These functions extract data from an event after architecture specific
- * conversions
- ****************************************************************************/
-
-unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f)
+gint32 ltt_event_get_int(LttEvent *e, struct marker_field *f)
{
- 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);
+ 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);
}
-}
-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);
+ 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(LttEvent *e, LttField *f)
+guint64 ltt_event_get_long_unsigned(LttEvent *e, struct marker_field *f)
{
- 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);
+ 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(LttEvent *e, LttField *f)
+gint64 ltt_event_get_long_int(LttEvent *e, struct marker_field *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);
+ 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(LttEvent *e, LttField *f)
+#if 0
+float ltt_event_get_float(LttEvent *e, struct marker_field *f)
{
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->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(LttEvent *e, LttField *f)
+double ltt_event_get_double(LttEvent *e, struct marker_field *f)
{
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->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.
****************************************************************************/
-
-char *ltt_event_get_string(LttEvent *e, LttField *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));
}
+
+
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