ceph/src/dmclock/src/dmclock_util.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 /*
   5  * Copyright (C) 2017 Red Hat Inc.
   6  *
   7  * Author: J. Eric Ivancich <ivancich@redhat.com>
   8  *
   9  * This is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License version
  11  * 2.1, as published by the Free Software Foundation.  See file
  12  * COPYING.
  13  */
  14
  15
  16 #include <signal.h>
  17
  18 #include <iomanip>
  19 #include <sstream>
  20
  21 #include "dmclock_util.h"
  22
  23
  24 std::string crimson::dmclock::format_time(const Time& time, uint modulo) {
  25   long subtract = long(time / modulo) * modulo;
  26   std::stringstream ss;
  27   ss << std::fixed << std::setprecision(4) << (time - subtract);
  28   return ss.str();
  29 }
  30
  31
  32 void crimson::dmclock::debugger() {
  33   raise(SIGCONT);
  34 }