+/* 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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
#include <asm/types.h>
#include <linux/byteorder/swab.h>
#include <ltt/event.h>
#include <ltt/trace.h>
+
+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 parrent
+ * offsetParent : offset from the parent
* fld : field
* evD : event data
*Return value
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;i<element_number;i++){
+ size += ltt_event_refresh_fields(offsetRoot+size,size,
+ fld->child[0], evD+size);
+ }
+ }else size = fld->field_size;
+ break;
+
+ case 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;
+ }
+ break;
+
+ case LTT_STRING:
+ size = strlen((char*)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;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;
+ 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;
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,
+ 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;
}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 += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
+ fld->child[0], evD+size+size1);
}
size += size1;
}
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=ltt_event_refresh_fields(offset1,offset2,
+ fld->child[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;
{
LttField * field;
LttEventType * event_type = ltt_event_eventtype(e);
- if(!event_type) return NULL;
+ if(unlikely(!event_type)) return NULL;
field = event_type->root_field;
- if(!field) return NULL;
+ if(unlikely(!field)) return NULL;
//check if the field need refresh
- if(e->which_block != event_type->latest_block ||
- e->which_event != event_type->latest_event){
+ if(likely(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);
+ if(unlikely(field->field_fixed != 1))
+ ltt_event_refresh_fields(0, 0, field, e->data);
}
return field;
}
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 = FALSE;
+ 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 */
}
LttEventPosition * ltt_event_position_new()
/*****************************************************************************
*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
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;
+ ep->event_num = index_in_block;
+
}
+/*****************************************************************************
+ * 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
+ ****************************************************************************/
+
+
+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)
+ return -1;
+ if(event->which_block > ep->block_num)
+ return 1;
+ if(event->which_event < ep->event_num)
+ return -1;
+ if(event->which_event > ep->event_num)
+ 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;
+}
+
+
/*****************************************************************************
*Function name
* ltt_event_cpu_i: get the cpu id where the event happens
****************************************************************************/
unsigned ltt_event_cpu_id(LttEvent *e)
-{
- return (unsigned)atoi(e->tracefile->name);
+{
+ 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);
+ }
}
/*****************************************************************************
{
unsigned element_number;
LttField *fld;
- int k, size;
+ unsigned int k;
+ int size;
void *evD;
if(f->field_type->type_class != LTT_ARRAY &&
return ;
element_number = ltt_event_field_element_number(e,f);
- if((element_number-1) < i || i < 0) return;
+ /* Sanity check for i : 1..n only, and must be lower or equal element_number
+ */
+ if(element_number < i || i == 0) return;
fld = f->child[0];
for(k=0;k<i;k++){
size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size);
}
-
f->current_element = i - 1;
}
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");
+ g_assert(t == LTT_UINT || t == LTT_ENUM);
if(f->field_size == 1){
guint8 x = *(guint8 *)(e->data + f->offset_root);
else
return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x);
}
+ g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size);
+ return 0;
}
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");
+ g_assert(f->field_type->type_class == LTT_INT);
if(f->field_size == 1){
gint8 x = *(gint8 *)(e->data + f->offset_root);
else
return (int) (revFlag ? GINT64_FROM_LE(x): x);
}
+ g_critical("ltt_event_get_int : field size %i unknown", f->field_size);
+ return 0;
}
unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f)
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");
+ g_assert(t == LTT_UINT || t == LTT_ENUM);
if(f->field_size == 1){
guint8 x = *(guint8 *)(e->data + f->offset_root);
else
return (unsigned long) (revFlag ? GUINT64_FROM_LE(x): x);
}
+ g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size);
+ return 0;
}
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;
- if( f->field_type->type_class != LTT_INT)
- g_error("The type of the field is not long int\n");
+ g_assert( f->field_type->type_class == LTT_INT);
if(f->field_size == 1){
gint8 x = *(gint8 *)(e->data + f->offset_root);
else
return (long) (revFlag ? GINT64_FROM_LE(x): x);
}
+ 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)
int revFlag = e->tracefile->trace->my_arch_endian ==
e->tracefile->trace->system_description->endian ? 0:1;
- 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);
else{
guint32 aInt;
memcpy((void*)&aInt, e->data + f->offset_root, 4);
aInt = ___swab32(aInt);
- return *((float*)&aInt);
+ return ((float)aInt);
}
}
int revFlag = e->tracefile->trace->my_arch_endian ==
e->tracefile->trace->system_description->endian ? 0:1;
- 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");
+ 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);
+ return ((double)aInt);
}
}
char *ltt_event_get_string(LttEvent *e, LttField *f)
{
- if(f->field_type->type_class != LTT_STRING)
- g_error("The field contains no string\n");
+ g_assert(f->field_type->type_class == LTT_STRING);
+
return (char*)g_strdup((char*)(e->data + f->offset_root));
}
projects / lttv.git / blobdiff