49 lines
1.8 KiB
Bash
49 lines
1.8 KiB
Bash
#!/bin/sh
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# $NetBSD: dmesg2gif,v 1.6 2010/01/24 14:46:29 hubertf Exp $
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#
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# Copyright (c) 2003, The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Hubert Feyrer <hubertf@NetBSD.org>.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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if [ -t 0 -o -t 1 ]
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then
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echo 2>&1 "Usage: cat /var/run/dmesg.boot | $0 | xv -"
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exit 1
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fi
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(
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echo "digraph dmesg { "
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cat \
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| grep -v ^# \
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| perl -ne 'if(/^(\S*) at (\S*) *.*/){
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( $from = $1 ) =~ s/://g;
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( $to = $2 ) =~ s/://g;
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print "\t$from -> $to\n";
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}'
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echo "}"
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) | dot -Tgif
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