58 
  59 
  60 //----------------------------------------------------------
  61 // Implementation of MemProfiler
  62 
  63 MemProfilerTask* MemProfiler::_task   = NULL;
  64 FILE*            MemProfiler::_log_fp = NULL;
  65 
  66 
  67 bool MemProfiler::is_active() {
  68   return _task != NULL;
  69 }
  70 
  71 
  72 void MemProfiler::engage() {
  73   const char *log_name = "mprofile.log";
  74   if (!is_active()) {
  75     // Create log file
  76     _log_fp = fopen(log_name , "w+");
  77     if (_log_fp == NULL) {
  78       fatal(err_msg("MemProfiler: Cannot create log file: %s", log_name));
  79     }
  80     fprintf(_log_fp, "MemProfiler: sizes are in Kb, time is in seconds since startup\n\n");
  81     fprintf(_log_fp, "  time, #thr, #cls,  heap,  heap,  perm,  perm,  code, hndls, rescs, oopmp\n");
  82     fprintf(_log_fp, "                     used, total,  used, total, total, total, total, total\n");
  83     fprintf(_log_fp, "--------------------------------------------------------------------------\n");
  84 
  85     _task = new MemProfilerTask(MemProfilingInterval);
  86     _task->enroll();
  87   }
  88 }
  89 
  90 
  91 void MemProfiler::disengage() {
  92   if (!is_active()) return;
  93   // Do one last trace at disengage time
  94   do_trace();
  95 
  96   // Close logfile
  97   fprintf(_log_fp, "MemProfiler detached\n");
  98   fclose(_log_fp);

  58 
  59 
  60 //----------------------------------------------------------
  61 // Implementation of MemProfiler
  62 
  63 MemProfilerTask* MemProfiler::_task   = NULL;
  64 FILE*            MemProfiler::_log_fp = NULL;
  65 
  66 
  67 bool MemProfiler::is_active() {
  68   return _task != NULL;
  69 }
  70 
  71 
  72 void MemProfiler::engage() {
  73   const char *log_name = "mprofile.log";
  74   if (!is_active()) {
  75     // Create log file
  76     _log_fp = fopen(log_name , "w+");
  77     if (_log_fp == NULL) {
  78       fatal("MemProfiler: Cannot create log file: %s", log_name);
  79     }
  80     fprintf(_log_fp, "MemProfiler: sizes are in Kb, time is in seconds since startup\n\n");
  81     fprintf(_log_fp, "  time, #thr, #cls,  heap,  heap,  perm,  perm,  code, hndls, rescs, oopmp\n");
  82     fprintf(_log_fp, "                     used, total,  used, total, total, total, total, total\n");
  83     fprintf(_log_fp, "--------------------------------------------------------------------------\n");
  84 
  85     _task = new MemProfilerTask(MemProfilingInterval);
  86     _task->enroll();
  87   }
  88 }
  89 
  90 
  91 void MemProfiler::disengage() {
  92   if (!is_active()) return;
  93   // Do one last trace at disengage time
  94   do_trace();
  95 
  96   // Close logfile
  97   fprintf(_log_fp, "MemProfiler detached\n");
  98   fclose(_log_fp);