#include <dirent.h>
#include <linux/errno.h>
-#include <ltt/LTTTypes.h>
#include "parser.h"
+#include <ltt/ltt.h>
+#include "ltt-private.h"
#include <ltt/trace.h>
+#include <ltt/facility.h>
#define DIR_NAME_SIZE 256
/* set the offset of the fields belonging to the event,
need the information of the archecture */
-void setFieldsOffset(LttTracefile * t, LttEventType *evT, void *evD);
+void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t);
/* get the size of the field type according to the archtecture's
size and endian type(info of the archecture) */
-int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot,
- int offsetParent, LttField * fld, void * evD );
+int getFieldtypeSize(LttTracefile * tf, LttEventType * evT, int offsetRoot,
+ int offsetParent, LttField *fld, void *evD, LttTrace* t);
/* read a fixed size or a block information from the file (fd) */
int readFile(int fd, void * buf, size_t size, char * mesg);
/* go to the next event */
int skipEvent(LttTracefile * t);
-/* compare two time (LttTime), 0:t1=t2, -1:t1<t2, 1:t1>t2 */
-int timecmp(LttTime * t1, LttTime * t2);
-
-/* get an integer number */
-int getIntNumber(int size1, void *evD);
-
-
-/* Time operation macros for LttTime (struct timespec) */
-/* (T3 = T2 - T1) */
-#define TimeSub(T3, T2, T1) \
-do \
-{\
- (T3).tv_sec = (T2).tv_sec - (T1).tv_sec; \
- (T3).tv_nsec = (T2).tv_nsec - (T1).tv_nsec; \
- if((T3).tv_nsec < 0)\
- {\
- (T3).tv_sec--;\
- (T3).tv_nsec += 1000000000;\
- }\
-} while(0)
-
-/* (T3 = T2 + T1) */
-#define TimeAdd(T3, T2, T1) \
-do \
-{\
- (T3).tv_sec = (T2).tv_sec + (T1).tv_sec; \
- (T3).tv_nsec = (T2).tv_nsec + (T1).tv_nsec; \
- if((T3).tv_nsec >= 1000000000)\
- {\
- (T3).tv_sec += (T3).tv_nsec / 1000000000;\
- (T3).tv_nsec = (T3).tv_nsec % 1000000000;\
- }\
-} while(0)
+/* Functions to parse system.xml file (using glib xml parser) */
+static void parser_start_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ gpointer user_data,
+ GError **error)
+{
+ int i=0;
+ LttSystemDescription* des = (LttSystemDescription* )user_data;
+ if(strcmp("system", element_name)){
+ g_warning("This is not system.xml file\n");
+ exit(1);
+ }
+
+ while(attribute_names[i]){
+ if(strcmp("node_name", attribute_names[i])==0){
+ des->node_name = g_strdup(attribute_values[i]);
+ }else if(strcmp("domainname", attribute_names[i])==0){
+ des->domain_name = g_strdup(attribute_values[i]);
+ }else if(strcmp("cpu", attribute_names[i])==0){
+ des->nb_cpu = atoi(attribute_values[i]);
+ }else if(strcmp("arch_size", attribute_names[i])==0){
+ if(strcmp(attribute_values[i],"LP32") == 0) des->size = LTT_LP32;
+ else if(strcmp(attribute_values[i],"ILP32") == 0) des->size = LTT_ILP32;
+ else if(strcmp(attribute_values[i],"LP64") == 0) des->size = LTT_LP64;
+ else if(strcmp(attribute_values[i],"ILP64") == 0) des->size = LTT_ILP64;
+ else if(strcmp(attribute_values[i],"UNKNOWN") == 0) des->size = LTT_UNKNOWN;
+ }else if(strcmp("endian", attribute_names[i])==0){
+ if(strcmp(attribute_values[i],"LITTLE_ENDIAN") == 0)
+ des->endian = LTT_LITTLE_ENDIAN;
+ else if(strcmp(attribute_values[i],"BIG_ENDIAN") == 0)
+ des->endian = LTT_BIG_ENDIAN;
+ }else if(strcmp("kernel_name", attribute_names[i])==0){
+ des->kernel_name = g_strdup(attribute_values[i]);
+ }else if(strcmp("kernel_release", attribute_names[i])==0){
+ des->kernel_release = g_strdup(attribute_values[i]);
+ }else if(strcmp("kernel_version", attribute_names[i])==0){
+ des->kernel_version = g_strdup(attribute_values[i]);
+ }else if(strcmp("machine", attribute_names[i])==0){
+ des->machine = g_strdup(attribute_values[i]);
+ }else if(strcmp("processor", attribute_names[i])==0){
+ des->processor = g_strdup(attribute_values[i]);
+ }else if(strcmp("hardware_platform", attribute_names[i])==0){
+ des->hardware_platform = g_strdup(attribute_values[i]);
+ }else if(strcmp("operating_system", attribute_names[i])==0){
+ des->operating_system = g_strdup(attribute_values[i]);
+ }else if(strcmp("ltt_major_version", attribute_names[i])==0){
+ des->ltt_major_version = atoi(attribute_values[i]);
+ }else if(strcmp("ltt_minor_version", attribute_names[i])==0){
+ des->ltt_minor_version = atoi(attribute_values[i]);
+ }else if(strcmp("ltt_block_size", attribute_names[i])==0){
+ des->ltt_block_size = atoi(attribute_values[i]);
+ }else{
+ g_warning("Not a valid attribute\n");
+ exit(1);
+ }
+ i++;
+ }
+}
+
+static void parser_end_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error)
+{
+}
+
+static void parser_characters (GMarkupParseContext *context,
+ const gchar *text,
+ gsize text_len,
+ gpointer user_data,
+ GError **error)
+{
+ LttSystemDescription* des = (LttSystemDescription* )user_data;
+ des->description = g_strdup(text);
+}
/*****************************************************************************
// Is the file large enough to contain a trace
if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){
- g_error("The input data file %s does not contain a trace\n", fileName);
+ g_print("The input data file %s does not contain a trace\n", fileName);
+ g_free(tf->name);
+ close(tf->fd);
+ g_free(tf);
+ return NULL;
}
//store the size of the file
{
LttTracefile * tf;
tf = ltt_tracefile_open(t,tracefile_name);
+ if(!tf) return;
t->per_cpu_tracefile_number++;
g_ptr_array_add(t->per_cpu_tracefiles, tf);
}
LttTracefile * tf;
LttEvent * ev;
LttFacility * f;
- uint16_t evId;
+ guint16 evId;
void * pos;
FacilityLoad fLoad;
int i;
tf = ltt_tracefile_open(t,control_name);
+ if(!tf) return;
t->control_tracefile_number++;
g_ptr_array_add(t->control_tracefiles,tf);
//parse facilities tracefile to get base_id
- if(strcmp(control_name,"facilities") ==0){
+ if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){
while(1){
- evId = *(uint16_t*)tf->cur_event_pos;
- if(evId == TRACE_FACILITY_LOAD){
- pos = tf->cur_event_pos + EVENT_HEADER_SIZE;
+ ev = ltt_tracefile_read(tf);
+ if(!ev)return; // end of file
+
+ if(ev->event_id == TRACE_FACILITY_LOAD){
+ pos = ev->data;
fLoad.name = (char*)pos;
- fLoad.checksum = *(LttChecksum*)(pos + sizeof(pos));
- fLoad.base_code = *(uint32_t*)(pos + sizeof(pos) + sizeof(LttChecksum));
+ fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name));
+ fLoad.base_code = *(guint32 *)(pos + strlen(fLoad.name) + sizeof(LttChecksum));
for(i=0;i<t->facility_number;i++){
f = (LttFacility*)g_ptr_array_index(t->facilities,i);
if(i==t->facility_number)
g_error("Facility: %s, checksum: %d is not founded\n",
fLoad.name,fLoad.checksum);
-
- ev = ltt_tracefile_read(tf); //get next event
- if(!ev) break; //end of tracefile
- }else if(evId == TRACE_BLOCK_END){
- //can only reach here if it is the first event
- g_error("Facilities does not contain any facility_load event\n");
+ }else if(ev->event_id == TRACE_BLOCK_START){
+ continue;
+ }else if(ev->event_id == TRACE_BLOCK_END){
+ break;
}else g_error("Not valid facilities trace file\n");
}
}
{
g_free(t->name);
g_free(t->buffer);
+ close(t->fd);
g_free(t);
}
void getSystemInfo(LttSystemDescription* des, char * pathname)
{
FILE * fp;
- int i;
- int entry_number = 15;
char buf[DIR_NAME_SIZE];
char description[4*DIR_NAME_SIZE];
- char * ptr;
+
+ GMarkupParseContext * context;
+ GError * error;
+ GMarkupParser markup_parser =
+ {
+ parser_start_element,
+ parser_end_element,
+ parser_characters,
+ NULL, /* passthrough */
+ NULL /* error */
+ };
fp = fopen(pathname,"r");
if(!fp){
g_error("Can not open file : %s\n", pathname);
}
- while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){
- ptr = buf;
- while(isspace(*ptr)) ptr++;
- if(strlen(ptr) == 0) continue;
- break;
- }
+ context = g_markup_parse_context_new(&markup_parser, 0, des,NULL);
- if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname);
- if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname);
-
- for(i=0;i<entry_number;i++){
- if(fgets(buf,DIR_NAME_SIZE, fp)== NULL)
- g_error("Not a valid file: %s\n", pathname);
- ptr = buf;
- while(isspace(*ptr)) ptr++;
- switch(i){
- case 0:
- if(strncmp("node_name=",ptr,10)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->node_name = g_strdup(ptr+10);
- break;
- case 1:
- if(strncmp("domainname=",ptr,11)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->domain_name = g_strdup(ptr+11);
- break;
- case 2:
- if(strncmp("cpu=",ptr,4)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->nb_cpu = (unsigned)atoi(ptr+4);
- break;
- case 3:
- if(strncmp("arch_size=",ptr,10)!=0)
- g_error("Not a valid file: %s\n", pathname);
- if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32;
- else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32;
- else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64;
- else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64;
- else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN;
- break;
- case 4:
- if(strncmp("endian=",ptr,7)!=0)
- g_error("Not a valid file: %s\n", pathname);
- if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0)
- des->endian = LTT_LITTLE_ENDIAN;
- else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0)
- des->endian = LTT_BIG_ENDIAN;
- break;
- case 5:
- if(strncmp("kernel_name=",ptr,12)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->kernel_name = g_strdup(ptr+12);
- break;
- case 6:
- if(strncmp("kernel_release=",ptr,15)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->kernel_release = g_strdup(ptr+15);
- break;
- case 7:
- if(strncmp("kernel_version=",ptr,15)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->kernel_version = g_strdup(ptr+15);
- break;
- case 8:
- if(strncmp("machine=",ptr,8)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->machine = g_strdup(ptr+8);
- break;
- case 9:
- if(strncmp("processor=",ptr,10)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->processor = g_strdup(ptr+10);
- break;
- case 10:
- if(strncmp("hardware_platform=",ptr,18)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->hardware_platform = g_strdup(ptr+18);
- break;
- case 11:
- if(strncmp("operating_system=",ptr,17)!=0)
- g_error("Not a valid file: %s\n", pathname);
- des->operating_system = g_strdup(ptr+17);
- break;
- case 12:
- if(strncmp("ltt_major_version=",ptr,18)!=0)
- g_error("Not a valid file: %s\n", pathname);
- ptr += 18;
- ptr++;//skip begining "
- ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
- des->ltt_major_version = (unsigned)atoi(ptr);
- break;
- case 13:
- if(strncmp("ltt_minor_version=",ptr,18)!=0)
- g_error("Not a valid file: %s\n", pathname);
- ptr += 18;
- ptr++;//skip begining "
- ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
- des->ltt_minor_version = (unsigned)atoi(ptr);
- break;
- case 14:
- if(strncmp("ltt_block_size=",ptr,15)!=0)
- g_error("Not a valid file: %s\n", pathname);
- ptr += 15;
- ptr++;//skip begining "
- ptr[strlen(ptr)-1] = '\0'; //get rid of the ending "
- des->ltt_block_size = (unsigned)atoi(ptr);
- break;
- default:
- g_error("Not a valid file: %s\n", pathname);
- }
- }
-
- //get description
- description[0] = '\0';
- if(fgets(buf,DIR_NAME_SIZE, fp)== NULL)
- g_error("Not a valid file: %s\n", pathname);
- ptr = buf;
- while(isspace(*ptr)) ptr++;
- if(*ptr != '>') g_error("Not a valid file: %s\n", pathname);
- while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){
- ptr = buf;
- while(isspace(*ptr)) ptr++;
- if(strncmp("</system>",ptr,9) == 0 )break;
- strcat(description, buf);
+ while(fgets(buf,DIR_NAME_SIZE, fp) != NULL){
+ if(!g_markup_parse_context_parse(context, buf, DIR_NAME_SIZE, &error)){
+ g_warning("Can not parse xml file: \n%s\n", error->message);
+ exit(1);
+ }
}
- if(!ptr)g_error("Not a valid file: %s\n", pathname);
- if(description[0] = '\0')des->description = NULL;
- des->description = g_strdup(description);
-
fclose(fp);
}
int i,j;
LttFacility * f;
LttEventType * et;
- LttTracefile * tracefile;
+ char name[DIR_NAME_SIZE];
dir = opendir(eventdefs);
if(!dir) g_error("Can not open directory: %s\n", eventdefs);
while((entry = readdir(dir)) != NULL){
ptr = &entry->d_name[strlen(entry->d_name)-4];
if(strcmp(ptr,".xml") != 0) continue;
- ltt_facility_open(t,entry->d_name);
+ strcpy(name,eventdefs);
+ strcat(name,entry->d_name);
+ ltt_facility_open(t,name);
}
closedir(dir);
- tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,0);
for(j=0;j<t->facility_number;j++){
- f = (LttFacility*)g_ptr_array_index(t->facilities, i);
+ f = (LttFacility*)g_ptr_array_index(t->facilities, j);
for(i=0; i<f->event_number; i++){
et = f->events[i];
- setFieldsOffset(tracefile, et, NULL);
+ setFieldsOffset(NULL, et, NULL, t);
}
}
}
{
DIR * dir;
struct dirent *entry;
+ char name[DIR_NAME_SIZE];
dir = opendir(control);
if(!dir) g_error("Can not open directory: %s\n", control);
while((entry = readdir(dir)) != NULL){
- if(strcmp(entry->d_name,"facilities") != 0 ||
- strcmp(entry->d_name,"interrupts") != 0 ||
+ if(strcmp(entry->d_name,"facilities") != 0 &&
+ strcmp(entry->d_name,"interrupts") != 0 &&
strcmp(entry->d_name,"processes") != 0) continue;
- ltt_tracefile_open_control(t,entry->d_name);
+ strcpy(name,control);
+ strcat(name,entry->d_name);
+ ltt_tracefile_open_control(t,name);
}
closedir(dir);
}
{
DIR * dir;
struct dirent *entry;
+ char name[DIR_NAME_SIZE];
dir = opendir(cpu);
if(!dir) g_error("Can not open directory: %s\n", cpu);
while((entry = readdir(dir)) != NULL){
- if(strcmp(entry->d_name,".") != 0 ||
+ if(strcmp(entry->d_name,".") != 0 &&
strcmp(entry->d_name,"..") != 0 ){
- ltt_tracefile_open_cpu(t,entry->d_name);
+ strcpy(name,cpu);
+ strcat(name,entry->d_name);
+ ltt_tracefile_open_cpu(t,name);
}else continue;
}
closedir(dir);
*
*When a trace is closed, all the associated facilities, types and fields
*are released as well.
+ *
+ * MD : If pathname is already absolute, we do not add current working
+ * directory to it.
+ *
****************************************************************************/
-LttTrace *ltt_trace_open(char *pathname)
+void get_absolute_pathname(const char *pathname, char * abs_pathname)
+{
+ char * ptr, *ptr1;
+ size_t size = DIR_NAME_SIZE;
+ abs_pathname[0] = '\0';
+
+ if(pathname[0] == '/')
+ {
+ strcat(abs_pathname, pathname);
+ return;
+ }
+
+ if(!getcwd(abs_pathname, size)){
+ g_warning("Can not get current working directory\n");
+ strcat(abs_pathname, pathname);
+ return;
+ }
+
+ strcat(abs_pathname,"/");
+
+ ptr = (char*)pathname;
+ ptr1 = ptr + 1;
+ while(*ptr == '.' && *ptr1 == '.'){
+ ptr += 3;
+ ptr1 = ptr + 1;
+ }
+ strcat(abs_pathname,ptr);
+}
+
+LttTrace *ltt_trace_open(const char *pathname)
{
LttTrace * t;
LttSystemDescription * sys_description;
char control[DIR_NAME_SIZE];
char cpu[DIR_NAME_SIZE];
char tmp[DIR_NAME_SIZE];
+ char abs_path[DIR_NAME_SIZE];
gboolean has_slash = FALSE;
+ get_absolute_pathname(pathname, abs_path);
+
//establish the pathname to different directories
- if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE;
- strcpy(eventdefs,pathname);
+ if(abs_path[strlen(abs_path)-1] == '/')has_slash = TRUE;
+ strcpy(eventdefs,abs_path);
if(!has_slash)strcat(eventdefs,"/");
strcat(eventdefs,"eventdefs/");
- strcpy(info,pathname);
+ strcpy(info,abs_path);
if(!has_slash)strcat(info,"/");
strcat(info,"info/");
- strcpy(control,pathname);
+ strcpy(control,abs_path);
if(!has_slash)strcat(control,"/");
strcat(control,"control/");
- strcpy(cpu,pathname);
+ strcpy(cpu,abs_path);
if(!has_slash)strcat(cpu,"/");
strcat(cpu,"cpu/");
//new trace
t = g_new(LttTrace, 1);
sys_description = g_new(LttSystemDescription, 1);
- t->pathname = g_strdup(pathname);
+ t->pathname = g_strdup(abs_path);
t->facility_number = 0;
t->control_tracefile_number = 0;
t->per_cpu_tracefile_number = 0;
strcat(tmp,"system.xml");
getSystemInfo(sys_description, tmp);
+ //get facilities info
+ getFacilityInfo(t,eventdefs);
+
//get control tracefile info
getControlFileInfo(t,control);
//get cpu tracefile info
getCpuFileInfo(t,cpu);
- //get facilities info
- getFacilityInfo(t,eventdefs);
-
return t;
}
+char * ltt_trace_name(LttTrace *t)
+{
+ return t->pathname;
+}
+
+
+/******************************************************************************
+ * When we copy a trace, we want all the opening actions to happen again :
+ * the trace will be reopened and totally independant from the original.
+ * That's why we call ltt_trace_open.
+ *****************************************************************************/
+LttTrace *ltt_trace_copy(LttTrace *self)
+{
+ return ltt_trace_open(self->pathname);
+}
+
void ltt_trace_close(LttTrace *t)
{
int i;
tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i);
ltt_tracefile_close(tf);
}
- g_ptr_array_free(t->control_tracefiles, FALSE);
+ g_ptr_array_free(t->control_tracefiles, TRUE);
//free per_cpu_tracefiles
for(i=0;i<t->per_cpu_tracefile_number;i++){
tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i);
ltt_tracefile_close(tf);
}
- g_ptr_array_free(t->per_cpu_tracefiles, FALSE);
+ g_ptr_array_free(t->per_cpu_tracefiles, TRUE);
//free facilities
for(i=0;i<t->facility_number;i++){
f = (LttFacility*)g_ptr_array_index(t->facilities,i);
ltt_facility_close(f);
}
- g_ptr_array_free(t->facilities, FALSE);
+ g_ptr_array_free(t->facilities, TRUE);
g_free(t);
+
+ g_blow_chunks();
}
{
int i, count=0;
LttFacility * f;
- for(i=0;i=t->facility_number;i++){
+ for(i=0;i<t->facility_number;i++){
f = (LttFacility*)g_ptr_array_index(t->facilities, i);
if(strcmp(f->name,name)==0){
count++;
int i;
unsigned count = 0;
LttFacility * f;
- for(i=0;i=t->facility_number;i++){
+ for(i=0;i<t->facility_number;i++){
f = (LttFacility*)g_ptr_array_index(t->facilities, i);
count += f->event_number;
}
LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i)
{
- return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i);
+ return (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i);
}
LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i)
return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i);
}
+/*****************************************************************************
+ * Get the start time and end time of the trace
+ ****************************************************************************/
+
+void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end)
+{
+ LttTime startSmall, startTmp, endBig, endTmp;
+ int i, j=0;
+ LttTracefile * tf;
+
+ for(i=0;i<t->control_tracefile_number;i++){
+ tf = g_ptr_array_index(t->control_tracefiles, i);
+ readBlock(tf,1);
+ startTmp = tf->a_block_start->time;
+ readBlock(tf,tf->block_number);
+ endTmp = tf->a_block_end->time;
+ if(i==0){
+ startSmall = startTmp;
+ endBig = endTmp;
+ j = 1;
+ continue;
+ }
+ if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp;
+ if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp;
+ }
+
+ for(i=0;i<t->per_cpu_tracefile_number;i++){
+ tf = g_ptr_array_index(t->per_cpu_tracefiles, i);
+ readBlock(tf,1);
+ startTmp = tf->a_block_start->time;
+ readBlock(tf,tf->block_number);
+ endTmp = tf->a_block_end->time;
+ if(j == 0 && i==0){
+ startSmall = startTmp;
+ endBig = endTmp;
+ continue;
+ }
+ if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp;
+ if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp;
+ }
+
+ *start = startSmall;
+ *end = endBig;
+}
+
+
/*****************************************************************************
*Get the name of a tracefile
****************************************************************************/
return tf->name;
}
+/*****************************************************************************
+ * Get the number of blocks in the tracefile
+ ****************************************************************************/
+
+unsigned ltt_tracefile_block_number(LttTracefile *tf)
+{
+ return tf->block_number;
+}
+
/*****************************************************************************
*Function name
* ltt_tracefile_seek_time: seek to the first event of the trace with time
* t : tracefile
* time : criteria of the time
****************************************************************************/
+void ltt_tracefile_find_time_block(LttTracefile *t, LttTime time,
+ int start_block, int end_block)
+{
+ int err, tmp_block, s, e;
+ int headTime;
+ int tailTime;
+
+ err=readBlock(t,start_block);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ if(start_block == end_block)return;
+
+ tailTime = ltt_time_compare(t->a_block_end->time, time);
+ if(tailTime >= 0) return;
+
+ err=readBlock(t,end_block);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ if(start_block+1 == end_block)return;
+
+ headTime = ltt_time_compare(t->a_block_start->time, time);
+ if(headTime <= 0 ) return;
+
+ tmp_block = (end_block + start_block)/2;
+ err=readBlock(t,tmp_block);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+
+ headTime = ltt_time_compare(t->a_block_start->time, time);
+ tailTime = ltt_time_compare(t->a_block_end->time, time);
+ if(headTime <= 0 && tailTime >= 0) return;
+
+ if(headTime > 0){
+ s = start_block + 1;
+ e = tmp_block - 1;
+ if(s <= e)
+ ltt_tracefile_find_time_block(t, time, s, e);
+ else return;
+ }
+
+ if(tailTime < 0){
+ s = tmp_block + 1;
+ e = end_block - 1;
+ if(s <= e)
+ ltt_tracefile_find_time_block(t, time, s, e);
+ else return;
+ }
+}
+
+void ltt_tracefile_backward_find_time_block(LttTracefile *t, LttTime time)
+{
+ int t_time, h_time, err;
+ err=readBlock(t,t->which_block-1);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ h_time = ltt_time_compare(t->a_block_start->time, time);
+ t_time = ltt_time_compare(t->a_block_end->time, time);
+ if(h_time == 0){
+ int tmp;
+ if(t->which_block == 1) return;
+ err=readBlock(t,t->which_block-1);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ tmp = ltt_time_compare(t->a_block_end->time, time);
+ if(tmp == 0) return ltt_tracefile_seek_time(t, time);
+ err=readBlock(t,t->which_block+1);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ }else if(h_time > 0){
+ ltt_tracefile_find_time_block(t, time, 1, t->which_block);
+ return ltt_tracefile_seek_time(t, time) ;
+ }else{
+ if(t_time >= 0) return ltt_tracefile_seek_time(t, time);
+ err=readBlock(t,t->which_block+1);
+ if(err) g_error("Can not read tracefile: %s\n", t->name);
+ }
+}
void ltt_tracefile_seek_time(LttTracefile *t, LttTime time)
{
int err;
LttTime lttTime;
- int headTime = timecmp(&(t->a_block_start->time), &time);
- int tailTime = timecmp(&(t->a_block_end->time), &time);
-
+ int headTime = ltt_time_compare(t->a_block_start->time, time);
+ int tailTime = ltt_time_compare(t->a_block_end->time, time);
+ LttEvent * ev;
+
if(headTime < 0 && tailTime > 0){
- lttTime = getEventTime(t);
- err = timecmp(<tTime, &time);
- if(err > 0){
- if(t->which_event==1 || timecmp(&t->prev_event_time,&time)<0){
- return;
- }else{
- updateTracefile(t);
- return ltt_tracefile_seek_time(t, time);
- }
- }else if(err < 0){
- err = t->which_block;
- if(ltt_tracefile_read(t) == NULL){
- g_printf("End of file\n");
- return;
- }
- if(t->which_block == err)
- return ltt_tracefile_seek_time(t,time);
- }else return;
- }else if(headTime > 0){
+ if(ltt_time_compare(t->a_block_end->time, t->current_event_time) !=0) {
+ lttTime = getEventTime(t);
+ err = ltt_time_compare(lttTime, time);
+ if(err > 0){
+ if(t->which_event==2 || (&t->prev_event_time,&time)<0){
+ return;
+ }else{
+ updateTracefile(t);
+ return ltt_tracefile_seek_time(t, time);
+ }
+ }else if(err < 0){
+ while(1){
+ ev = ltt_tracefile_read(t);
+ if(ev == NULL){
+ g_print("End of file\n");
+ return;
+ }
+ lttTime = getEventTime(t);
+ err = ltt_time_compare(lttTime, time);
+ if(err >= 0)return;
+ }
+ }else return;
+ }else{//we are at the end of the block
+ updateTracefile(t);
+ return ltt_tracefile_seek_time(t, time);
+ }
+ }else if(headTime >= 0){
if(t->which_block == 1){
updateTracefile(t);
}else{
- if( (t->prev_block_end_time.tv_sec == 0 &&
- t->prev_block_end_time.tv_nsec == 0 ) ||
- timecmp(&(t->prev_block_end_time),&time) > 0 ){
- err=readBlock(t,t->which_block-1);
- if(err) g_error("Can not read tracefile: %s\n", t->name);
- return ltt_tracefile_seek_time(t, time) ;
+ if(ltt_time_compare(t->prev_block_end_time, time) >= 0 ||
+ (t->prev_block_end_time.tv_sec == 0 &&
+ t->prev_block_end_time.tv_nsec == 0 )){
+ ltt_tracefile_backward_find_time_block(t, time);
}else{
updateTracefile(t);
}
}
- }else if(tailTime <= 0){
+ }else if(tailTime < 0){
if(t->which_block != t->block_number){
- err=readBlock(t,t->which_block+1);
- if(err) g_error("Can not read tracefile: %s\n", t->name);
+ ltt_tracefile_find_time_block(t, time, t->which_block+1, t->block_number);
+ return ltt_tracefile_seek_time(t, time);
}else {
- g_printf("End of file\n");
+ t->cur_event_pos = t->buffer + t->block_size;
+ g_print("End of file\n");
return;
}
- if(tailTime < 0) return ltt_tracefile_seek_time(t, time);
- }else if(headTime == 0){
- updateTracefile(t);
+ }else if(tailTime == 0){
+ t->cur_event_pos = t->last_event_pos;
+ t->current_event_time = time;
+ t->cur_heart_beat_number = 0;
+ t->prev_event_time.tv_sec = 0;
+ t->prev_event_time.tv_nsec = 0;
+ return;
}
}
+/*****************************************************************************
+ * Seek to the first event with position equal or larger to ep
+ ****************************************************************************/
+
+void ltt_tracefile_seek_position(LttTracefile *t, LttEventPosition *ep)
+{
+ //if we are at the right place, just return
+ if(t->which_block == ep->block_num && t->which_event == ep->event_num)
+ return;
+
+ if(t->which_block == ep->block_num) updateTracefile(t);
+ else readBlock(t,ep->block_num);
+
+ //event offset is availiable
+ if(ep->old_position){
+ t->cur_heart_beat_number = ep->heart_beat_number;
+ t->cur_event_pos = t->buffer + ep->event_offset;
+ return;
+ }
+
+ //only block number and event index are availiable
+ while(t->which_event < ep->event_num) ltt_tracefile_read(t);
+
+ return;
+}
+
/*****************************************************************************
*Function name
- * ltt_tracefile_read : read the next event
+ * ltt_tracefile_read : read the current event, set the pointer to the next
*Input params
* t : tracefile
*Return value
LttEvent *ltt_tracefile_read(LttTracefile *t)
{
- LttEvent * lttEvent = (LttEvent *)g_new(LttEvent, 1);
+ LttEvent * lttEvent = &t->an_event;
int err;
- //update the fields of the current event and go to the next event
- err = skipEvent(t);
- if(err == ENOENT) return NULL;
- if(err == ERANGE) g_error("event id is out of range\n");
- if(err)g_error("Can not read tracefile\n");
+ if(t->cur_event_pos == t->buffer + t->block_size){
+ if(t->which_block == t->block_number){
+ return NULL;
+ }
+ err = readBlock(t, t->which_block + 1);
+ if(err)g_error("Can not read tracefile");
+ }
- lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos));
+ lttEvent->event_id = (int)(*(guint16 *)(t->cur_event_pos));
if(lttEvent->event_id == TRACE_TIME_HEARTBEAT)
t->cur_heart_beat_number++;
- t->current_event_time = getEventTime(t);
+ t->prev_event_time = t->current_event_time;
+ // t->current_event_time = getEventTime(t);
- lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE);
+ lttEvent->time_delta = *(guint32 *)(t->cur_event_pos + EVENT_ID_SIZE);
lttEvent->event_time = t->current_event_time;
- lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number
- + lttEvent->time_delta;
-
lttEvent->tracefile = t;
lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE;
+ lttEvent->which_block = t->which_block;
+ lttEvent->which_event = t->which_event;
+
+ //update the fields of the current event and go to the next event
+ err = skipEvent(t);
+ if(err == ERANGE) g_error("event id is out of range\n");
+
+ lttEvent->event_cycle_count = t->cur_cycle_count;
return lttEvent;
}
int readBlock(LttTracefile * tf, int whichBlock)
{
off_t nbBytes;
- uint32_t lostSize;
+ guint32 lostSize;
if(whichBlock - tf->which_block == 1 && tf->which_block != 0){
tf->prev_block_end_time = tf->a_block_end->time;
+ tf->prev_event_time = tf->a_block_end->time;
}else{
tf->prev_block_end_time.tv_sec = 0;
tf->prev_block_end_time.tv_nsec = 0;
+ tf->prev_event_time.tv_sec = 0;
+ tf->prev_event_time.tv_nsec = 0;
}
- tf->prev_event_time.tv_sec = 0;
- tf->prev_event_time.tv_nsec = 0;
nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET);
if(nbBytes == -1) return EINVAL;
return EIO;
tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE);
- lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t));
+ lostSize = *(guint32 *)(tf->buffer + tf->block_size - sizeof(guint32));
tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size -
lostSize + EVENT_HEADER_SIZE);
+ tf->last_event_pos = tf->buffer + tf->block_size - lostSize;
tf->which_block = whichBlock;
tf->which_event = 1;
- tf->cur_event_pos = tf->a_block_start + sizeof(BlockStart); //first event
+ tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev
tf->cur_heart_beat_number = 0;
- tf->current_event_time = getEventTime(tf);
-
getCyclePerNsec(tf);
+ tf->current_event_time = getEventTime(tf);
+
return 0;
}
void updateTracefile(LttTracefile * tf)
{
tf->which_event = 1;
- tf->cur_event_pos = tf->a_block_start + sizeof(BlockStart);
+ tf->cur_event_pos = tf->buffer;
tf->current_event_time = getEventTime(tf);
tf->cur_heart_beat_number = 0;
* t : tracefile
*return value
* 0 : success
- * EINVAL : lseek fail
- * EIO : can not read from the file
- * ENOENT : end of file
* ERANGE : event id is out of range
****************************************************************************/
LttEventType * evT;
LttField * rootFld;
- evId = (int)(*(uint16_t *)(t->cur_event_pos));
+ evId = (int)(*(guint16 *)(t->cur_event_pos));
evData = t->cur_event_pos + EVENT_HEADER_SIZE;
- evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId);
+ evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId);
+
if(evT) rootFld = evT->root_field;
else return ERANGE;
-
- t->prev_event_time = getEventTime(t);
- //event has string/sequence or the last event is not the same event
- if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event)
- && rootFld->field_fixed == 0){
- setFieldsOffset(t, evT, evData);
- }
- t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size;
-
+ if(rootFld){
+ //event has string/sequence or the last event is not the same event
+ if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event)
+ && rootFld->field_fixed == 0){
+ setFieldsOffset(t, evT, evData, t->trace);
+ }
+ t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size;
+ }else t->cur_event_pos += EVENT_HEADER_SIZE;
+
evT->latest_block = t->which_block;
evT->latest_event = t->which_event;
-
+
//the next event is in the next block
if(evId == TRACE_BLOCK_END){
- if(t->which_block == t->block_number) return ENOENT;
- err = readBlock(t, t->which_block + 1);
- if(err) return err;
+ t->cur_event_pos = t->buffer + t->block_size;
}else{
t->which_event++;
+ t->current_event_time = getEventTime(t);
}
return 0;
LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */
/* Calculate the total time for this buffer */
- TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time);
+ lBufTotalTime = ltt_time_sub(t->a_block_end->time, t->a_block_start->time);
/* Calculate the total cycles for this bufffer */
- lBufTotalCycle = t->a_block_end->cycle_count
- - t->a_block_start->cycle_count;
+ lBufTotalCycle = t->a_block_end->cycle_count;
+ lBufTotalCycle -= t->a_block_start->cycle_count;
/* Convert the total time to nsecs */
- lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec;
+ lBufTotalNSec = lBufTotalTime.tv_sec;
+ lBufTotalNSec *= NANOSECONDS_PER_SECOND;
+ lBufTotalNSec += lBufTotalTime.tv_nsec;
t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec;
}
LttCycleCount lEventTotalCycle; // Total cycles from start for event
double lEventNSec; // Total usecs from start for event
LttTime lTimeOffset; // Time offset in struct LttTime
+ guint16 evId;
+ gint64 nanoSec, tmpCycleCount = (((guint64)1)<<32);
+
+ evId = *(guint16 *)tf->cur_event_pos;
+ if(evId == TRACE_BLOCK_START){
+ tf->count = 0;
+ tf->pre_cycle_count = 0;
+ tf->cur_cycle_count = tf->a_block_start->cycle_count;
+ return tf->a_block_start->time;
+ }else if(evId == TRACE_BLOCK_END){
+ tf->count = 0;
+ tf->pre_cycle_count = 0;
+ tf->cur_cycle_count = tf->a_block_end->cycle_count;
+ return tf->a_block_end->time;
+ }
+
+ // Calculate total time in cycles from start of buffer for this event
+ cycle_count = (LttCycleCount)*(guint32 *)(tf->cur_event_pos + EVENT_ID_SIZE);
- // Calculate total time in cycles from start of buffer for this event
- cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE);
- if(tf->cur_heart_beat_number)
- cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number;
- lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count;
+ if(cycle_count < tf->pre_cycle_count)tf->count++;
+ tf->pre_cycle_count = cycle_count;
+ cycle_count += tmpCycleCount * tf->count;
+
+ if(tf->cur_heart_beat_number > tf->count)
+ cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - tf->count);
+
+ tf->cur_cycle_count = cycle_count;
+
+ lEventTotalCycle = cycle_count;
+ lEventTotalCycle -= tf->a_block_start->cycle_count;
// Convert it to nsecs
lEventNSec = lEventTotalCycle / tf->cycle_per_nsec;
-
- // Determine offset in struct LttTime
- lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000;
- lTimeOffset.tv_sec = (long)lEventNSec / 1000000000;
+ nanoSec = lEventNSec;
- TimeAdd(time, tf->a_block_start->time, lTimeOffset);
+ // Determine offset in struct LttTime
+ lTimeOffset.tv_nsec = nanoSec % NANOSECONDS_PER_SECOND;
+ lTimeOffset.tv_sec = nanoSec / NANOSECONDS_PER_SECOND;
+ time = ltt_time_add(tf->a_block_start->time, lTimeOffset);
+
return time;
}
* evD : event data, it may be NULL
****************************************************************************/
-void setFieldsOffset(LttTracefile * t, LttEventType * evT, void * evD)
+void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t)
{
LttField * rootFld = evT->root_field;
// rootFld->base_address = evD;
- rootFld->field_size = getFieldtypeSize(t, evT, 0,0,rootFld, evD);
+ if(rootFld)
+ rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t);
}
/*****************************************************************************
****************************************************************************/
int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot,
- int offsetParent, LttField * fld, void * evD)
+ int offsetParent, LttField * fld, void *evD, LttTrace *trace)
{
int size, size1, element_number, i, offset1, offset2;
LttType * type = fld->field_type;
- if(!t){
+ if(t){
if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){
return fld->field_size;
}
if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY &&
type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){
if(fld->field_fixed == -1){
- size = (int) ltt_type_size(t->trace, type);
+ size = (int) ltt_type_size(trace, type);
fld->field_fixed = 1;
}else size = fld->field_size;
}else if(type->type_class == LTT_ARRAY){
element_number = (int) type->element_number;
if(fld->field_fixed == -1){
- size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL);
+ size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace);
if(size == 0){ //has string or sequence
fld->field_fixed = 0;
}else{
size = 0;
for(i=0;i<element_number;i++){
size += getFieldtypeSize(t, evT, offsetRoot+size,size,
- fld->child[0], evD+size);
+ fld->child[0], evD+size, trace);
}
}else size = fld->field_size;
}else if(type->type_class == LTT_SEQUENCE){
- size1 = (int) ltt_type_size(t->trace, type);
+ size1 = (int) ltt_type_size(trace, type);
if(fld->field_fixed == -1){
+ fld->sequ_number_size = size1;
fld->field_fixed = 0;
- size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL);
+ size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace);
fld->element_size = size;
}else{//0: sequence
element_number = getIntNumber(size1,evD);
size = 0;
for(i=0;i<element_number;i++){
size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1,
- fld->child[0], evD+size+size1);
+ fld->child[0], evD+size+size1, trace);
}
}
size += size1;
if(fld->field_fixed == -1){
fld->field_fixed = 0;
}else{//0: string
- size = sizeof((char*)evD) + 1; //include end : '\0'
+ size = strlen((char*)evD) + 1; //include end : '\0'
}
}else if(type->type_class == LTT_STRUCT){
offset1 = offsetRoot;
offset2 = 0;
for(i=0;i<element_number;i++){
- size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL);
+ size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace);
if(size1 > 0 && size >= 0){
size += size1;
if(offset1 >= 0) offset1 += size1;
offset1 = offsetRoot;
offset2 = 0;
for(i=0;i<element_number;i++){
- size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2);
+ size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace);
offset1 += size;
offset2 += size;
}
return size;
}
-/*****************************************************************************
- *Function name
- * timecmp : compare two time
- *Input params
- * t1 : first time
- * t2 : second time
- *Return value
- * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2
- ****************************************************************************/
-
-int timecmp(LttTime * t1, LttTime * t2)
-{
- LttTime T;
- TimeSub(T, *t1, *t2);
- if(T.tv_sec == 0 && T.tv_nsec == 0) return 0;
- else if(T.tv_sec > 0 || (T.tv_sec==0 && T.tv_nsec > 0)) return 1;
- else return -1;
-}
/*****************************************************************************
*Function name
int getIntNumber(int size, void *evD)
{
- int64_t i;
- if(size == 1) i = *(int8_t *)evD;
- else if(size == 2) i = *(int16_t *)evD;
- else if(size == 4) i = *(int32_t *)evD;
- else if(size == 8) i = *(int64_t *)evD;
+ gint64 i;
+ if(size == 1) i = *(gint8 *)evD;
+ else if(size == 2) i = *(gint16 *)evD;
+ else if(size == 4) i = *(gint32 *)evD;
+ else if(size == 8) i = *(gint64 *)evD;
return (int) i;
}
else *size = LTT_UNKNOWN;
}
+/* get the node name of the system */
+
+char * ltt_trace_system_description_node_name (LttSystemDescription * s)
+{
+ return s->node_name;
+}
+
+
+/* get the domain name of the system */
+
+char * ltt_trace_system_description_domain_name (LttSystemDescription * s)
+{
+ return s->domain_name;
+}
+
+
+/* get the description of the system */
+
+char * ltt_trace_system_description_description (LttSystemDescription * s)
+{
+ return s->description;
+}
+
+
+/* get the start time of the trace */
+
+LttTime ltt_trace_system_description_trace_start_time(LttSystemDescription *s)
+{
+ return s->trace_start;
+}
+
projects / lttv.git / blobdiff