src/hotspot/share/runtime/java.cpp

*** 363,372 ****
--- 363,379 ----
    if (PrintNMTStatistics) {
      MemTracker::final_report(tty);
    }
  
    ThreadsSMRSupport::log_statistics();
+ 
+   extern unsigned long followed_by_equals;
+   extern unsigned long not_followed_by_equals;
+   unsigned long total = followed_by_equals + not_followed_by_equals;
+   tty->print_cr("acmp followed by equals: " JLONG_FORMAT " %f", followed_by_equals, ((float)followed_by_equals) / total);
+   tty->print_cr("acmp not followed by equals: " JLONG_FORMAT " %f", not_followed_by_equals, ((float)not_followed_by_equals) / total);
+   
  }
  
  #else // PRODUCT MODE STATISTICS
  
  void print_statistics() {
*** 410,419 ****
--- 417,432 ----
    if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
      Method::print_touched_methods(tty);
    }
  
    ThreadsSMRSupport::log_statistics();
+ 
+   extern unsigned long followed_by_equals;
+   extern unsigned long not_followed_by_equals;
+   unsigned long total = followed_by_equals + not_followed_by_equals;
+   tty->print_cr("acmp followed by equals: " JLONG_FORMAT " %f", followed_by_equals, ((float)followed_by_equals) / total);
+   tty->print_cr("acmp not followed by equals: " JLONG_FORMAT " %f", not_followed_by_equals, ((float)not_followed_by_equals) / total);
  }
  
  #endif
  
  // Note: before_exit() can be executed only once, if more than one threads