    return Time();
  int btime;
  if (!StringToInt(btime_it->second, &btime))
    return Time();
  return Time::FromTimeT(btime);
}

TimeDelta ClockTicksToTimeDelta(int clock_ticks) {
  // This queries the /proc-specific scaling factor which is
  // conceptually the system hertz.  To dump this value on another
  // system, try
  //   od -t dL /proc/self/auxv
  // and look for the number after 17 in the output; mine is