compiler2/Stopwatch.cc

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Raduly, Csaba
  11  *
  12  ******************************************************************************/
  13 #include "Stopwatch.hh"
  14 #include "error.h"
  15 #include <stdio.h>
  16
  17 Stopwatch::Stopwatch(const char *name)
  18 : tv_start()
  19 , my_name(name)
  20 {
  21   gettimeofday(&tv_start, 0);
  22 }
  23
  24 Stopwatch::~Stopwatch()
  25 {
  26   struct timeval tv_end;
  27   gettimeofday(&tv_end, 0);
  28
  29   struct timeval tv_diff = {
  30     tv_end.tv_sec  - tv_start.tv_sec,
  31     tv_end.tv_usec - tv_start.tv_usec
  32   };
  33   if (tv_diff.tv_usec < 0) {
  34     --tv_diff.tv_sec;
  35     tv_diff.tv_usec += 1000000;
  36   }
  37
  38   NOTIFY("%s took %ld.%06ld sec", my_name,
  39     (long)tv_diff.tv_sec, (long)tv_diff.tv_usec);
  40 }