Fix a small problem in events time/cycle count
[lttv.git] / ltt / branches / poly / ltt / tracefile.c
index d752962acc61b1864b030e767a4315cf7e5663d7..c5f98c3c27b0a7b205e5fd39139afbbec65b4617 100644 (file)
@@ -1,3 +1,21 @@
+/* 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 <fcntl.h>
 #include <sys/stat.h>
@@ -349,7 +367,8 @@ void getCpuFileInfo(LttTrace *t, char* cpu)
 
   while((entry = readdir(dir)) != NULL){
     if(strcmp(entry->d_name,".") != 0 &&
-       strcmp(entry->d_name,"..") != 0 ){
+       strcmp(entry->d_name,"..") != 0 &&
+       strcmp(entry->d_name,".svn") != 0){      
       strcpy(name,cpu);
       strcat(name,entry->d_name);
       ltt_tracefile_open_cpu(t,name);
@@ -365,8 +384,41 @@ void getCpuFileInfo(LttTrace *t, char* cpu)
  *
  *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;
@@ -376,30 +428,33 @@ LttTrace *ltt_trace_open(const char *pathname)
   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;
@@ -907,6 +962,7 @@ LttEvent *ltt_tracefile_read(LttTracefile *t)
 
   lttEvent->time_delta = *(guint32 *)(t->cur_event_pos + EVENT_ID_SIZE);
   lttEvent->event_time = t->current_event_time;
+  lttEvent->event_cycle_count = t->cur_cycle_count;
 
   lttEvent->tracefile = t;
   lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE;  
@@ -917,8 +973,6 @@ LttEvent *ltt_tracefile_read(LttTracefile *t)
   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;
 }
 
@@ -1106,10 +1160,10 @@ LttTime getEventTime(LttTracefile * tf)
   LttTime       time;
   LttCycleCount cycle_count;      // cycle count for the current event
   LttCycleCount lEventTotalCycle; // Total cycles from start for event
-  double        lEventNSec;       // Total usecs from start for event
+  LttCycleCount lEventNSec;       // Total usecs from start for event
   LttTime       lTimeOffset;      // Time offset in struct LttTime
   guint16       evId;
-  gint64        nanoSec, tmpCycleCount = (((guint64)1)<<32);
+  LttCycleCount tmpCycleCount = (((LttCycleCount)1)<<32);
 
   evId = *(guint16 *)tf->cur_event_pos;
   if(evId == TRACE_BLOCK_START){
@@ -1131,8 +1185,8 @@ LttTime getEventTime(LttTracefile * tf)
   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);  
+  //  if(tf->cur_heart_beat_number > tf->count)
+  //    cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - tf->count);  
 
   tf->cur_cycle_count = cycle_count;
 
@@ -1140,12 +1194,11 @@ LttTime getEventTime(LttTracefile * tf)
   lEventTotalCycle -= tf->a_block_start->cycle_count;
 
   // Convert it to nsecs
-  lEventNSec = lEventTotalCycle / tf->cycle_per_nsec;
-  nanoSec    = lEventNSec;
+  lEventNSec = (double)lEventTotalCycle / (double)tf->cycle_per_nsec;
 
   // Determine offset in struct LttTime 
-  lTimeOffset.tv_nsec = nanoSec % NANOSECONDS_PER_SECOND;
-  lTimeOffset.tv_sec  = nanoSec / NANOSECONDS_PER_SECOND;
+  lTimeOffset.tv_nsec = lEventNSec % NANOSECONDS_PER_SECOND;
+  lTimeOffset.tv_sec  = lEventNSec / NANOSECONDS_PER_SECOND;
 
   time = ltt_time_add(tf->a_block_start->time, lTimeOffset);  
   
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