#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
int skipEvent(LttTracefile * t);
+/* 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);
+}
+
+
/*****************************************************************************
*Function name
* ltt_tracefile_open : open a trace file, construct a LttTracefile
LttTracefile * tf;
LttEvent * ev;
LttFacility * f;
- uint16_t evId;
+ guint16 evId;
void * pos;
FacilityLoad fLoad;
int i;
pos = ev->data;
fLoad.name = (char*)pos;
fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name));
- fLoad.base_code = *(uint32_t*)(pos + strlen(fLoad.name) + sizeof(LttChecksum));
+ 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);
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);
- buf[strlen(buf)-1] = '\0';
- 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);
}
*
*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.
+ *
****************************************************************************/
+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;
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;
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.
* 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)
{
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 )){
- 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) ;
+ ltt_tracefile_backward_find_time_block(t, time);
}else{
updateTracefile(t);
}
}
}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_print("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(tailTime == 0){
t->cur_event_pos = t->last_event_pos;
t->current_event_time = time;
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->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->tracefile = t;
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;
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;
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);
LttCycleCount lEventTotalCycle; // Total cycles from start for event
double lEventNSec; // Total usecs from start for event
LttTime lTimeOffset; // Time offset in struct LttTime
- uint16_t evId;
- int64_t nanoSec, tmpCycleCount = (((uint64_t)1)<<32);
- static LttCycleCount preCycleCount = 0;
- static int count = 0;
+ guint16 evId;
+ gint64 nanoSec, tmpCycleCount = (((guint64)1)<<32);
- evId = *(uint16_t*)tf->cur_event_pos;
+ evId = *(guint16 *)tf->cur_event_pos;
if(evId == TRACE_BLOCK_START){
- count = 0;
- preCycleCount = 0;
+ 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){
- count = 0;
- preCycleCount = 0;
+ 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)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE);
+ cycle_count = (LttCycleCount)*(guint32 *)(tf->cur_event_pos + EVENT_ID_SIZE);
- if(cycle_count < preCycleCount)count++;
- preCycleCount = cycle_count;
- cycle_count += tmpCycleCount * 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 > count)
- cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - 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;
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;
+}
+