| 1 | #!/usr/bin/perl
|
|---|
| 2 | # $Id: vboxlogabstime.pl 69490 2017-10-28 14:03:57Z vboxsync $
|
|---|
| 3 | ## @file
|
|---|
| 4 | # ???
|
|---|
| 5 | #
|
|---|
| 6 |
|
|---|
| 7 | #
|
|---|
| 8 | # Copyright (C) 2006-2017 Oracle Corporation
|
|---|
| 9 | #
|
|---|
| 10 | # This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | # available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | # you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | # General Public License (GPL) as published by the Free Software
|
|---|
| 14 | # Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | #
|
|---|
| 18 |
|
|---|
| 19 | use strict;
|
|---|
| 20 | use warnings;
|
|---|
| 21 | use Time::Local;
|
|---|
| 22 |
|
|---|
| 23 | if ($#ARGV != 0) { die "Give the VirtualBox log file in the command line\n"; }
|
|---|
| 24 | open(LOG, $ARGV[0]) or die "Unable to open $ARGV[0] ($!)\n";
|
|---|
| 25 |
|
|---|
| 26 | # extract log timestamp from VBox.log
|
|---|
| 27 | my $line = 0;
|
|---|
| 28 | my ($dummy, $start);
|
|---|
| 29 | my $continuation = 0;
|
|---|
| 30 | while (<LOG>)
|
|---|
| 31 | {
|
|---|
| 32 | chomp;
|
|---|
| 33 | $line++;
|
|---|
| 34 | next if not /^.*Log opened|started.*/;
|
|---|
| 35 | if ($line ge 3) { die "Cannot find timestamp in $ARGV[0]\n"; }
|
|---|
| 36 | ($dummy,$start)=split(/.*?Log opened|started /);
|
|---|
| 37 | $continuation = 1 if /^.*Log started.*/;
|
|---|
| 38 | last;
|
|---|
| 39 | }
|
|---|
| 40 |
|
|---|
| 41 | # compute perl time value corresponding to timestamp
|
|---|
| 42 | my ($year,$month,$day,$hh,$mm,$ss,$frac);
|
|---|
| 43 | if ($start =~ s/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\.(\d+)Z/ /) {
|
|---|
| 44 | ($year,$month,$day,$hh,$mm,$ss,$frac) = ($1,$2-1,$3,$4,$5,$6,$7);
|
|---|
| 45 | $frac = "0.$frac";
|
|---|
| 46 | }
|
|---|
| 47 | else
|
|---|
| 48 | {
|
|---|
| 49 | die "Timestamp $start cannot be parsed\n";
|
|---|
| 50 | }
|
|---|
| 51 | my $logstamp = timegm($ss,$mm,$hh,$day,$month,$year)+$frac;
|
|---|
| 52 |
|
|---|
| 53 | # print entire log with absolute timestamps in local time
|
|---|
| 54 | seek(LOG, 0, 0);
|
|---|
| 55 | my $firstrel;
|
|---|
| 56 | # Note that for continuations we're slightly inaccurate, as we have no idea
|
|---|
| 57 | # about the time difference between the start of the process and the start of
|
|---|
| 58 | # logging as documented by the timestamp. Usually a couple milliseconds.
|
|---|
| 59 | if ($continuation) { $firstrel = 0; }
|
|---|
| 60 | while (<LOG>)
|
|---|
| 61 | {
|
|---|
| 62 | my ($time,$msg) = split('(?<=\s)(.*)');
|
|---|
| 63 | my ($h,$m,$s,$ms) = split(':|\.', $time);
|
|---|
| 64 | my $reltime = $h * 3600 + $m * 60 + $s + "0.$ms";
|
|---|
| 65 | if (!defined $firstrel) { $firstrel = $reltime; }
|
|---|
| 66 | $reltime -= $firstrel;
|
|---|
| 67 | my $abstime = $logstamp + $reltime;
|
|---|
| 68 | $ms = int(($abstime - int($abstime)) * 1000);
|
|---|
| 69 | # msec rounding paranoia
|
|---|
| 70 | if ($ms gt 999) { $ms = 999 };
|
|---|
| 71 | $abstime = int($abstime);
|
|---|
| 72 | my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($abstime);
|
|---|
| 73 | printf("%04d-%02d-%02d %02d:%02d:%02d.%03d %s\n", $year + 1900, $mon + 1, $mday, $hour, $min, $sec, $ms, $msg);
|
|---|
| 74 | }
|
|---|
| 75 | close(LOG);
|
|---|
