src/share/vm/runtime/os.cpp

*** 845,863 ****
    st->print(" %s", VM_Version::cpu_features());
    st->cr();
    pd_print_cpu_info(st);
  }
  
! void os::print_date_and_time(outputStream *st) {
    const int secs_per_day  = 86400;
    const int secs_per_hour = 3600;
    const int secs_per_min  = 60;
  
    time_t tloc;
    (void)time(&tloc);
    st->print("time: %s", ctime(&tloc));  // ctime adds newline.
  
    double t = os::elapsedTime();
    // NOTE: It tends to crash after a SEGV if we want to printf("%f",...) in
    //       Linux. Must be a bug in glibc ? Workaround is to round "t" to int
    //       before printf. We lost some precision, but who cares?
    int eltime = (int)t;  // elapsed time in seconds
--- 845,869 ----
    st->print(" %s", VM_Version::cpu_features());
    st->cr();
    pd_print_cpu_info(st);
  }
  
! void os::print_date_and_time(outputStream *st, char* buf, size_t buflen) {
    const int secs_per_day  = 86400;
    const int secs_per_hour = 3600;
    const int secs_per_min  = 60;
  
    time_t tloc;
    (void)time(&tloc);
    st->print("time: %s", ctime(&tloc));  // ctime adds newline.
  
+   struct tm tz;
+   if (localtime_pd(&tloc, &tz) != NULL) {
+     ::strftime(buf, buflen, "%Z", &tz);
+     st->print_cr("timezone: %s", buf);
+   }
+ 
    double t = os::elapsedTime();
    // NOTE: It tends to crash after a SEGV if we want to printf("%f",...) in
    //       Linux. Must be a bug in glibc ? Workaround is to round "t" to int
    //       before printf. We lost some precision, but who cares?
    int eltime = (int)t;  // elapsed time in seconds