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Simple script to drop unused events and fix up source file comments. The next few commits put it to use. Signed-off-by: Markus Armbruster <[email protected]> Signed-off-by: Stefan Hajnoczi <[email protected]>
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#!/usr/bin/perl | ||
# Copyright (C) 2013 Red Hat, Inc. | ||
# | ||
# Authors: | ||
# Markus Armbruster <[email protected]> | ||
# | ||
# This work is licensed under the terms of the GNU GPL, version 2 or | ||
# later. See the COPYING file in the top-level directory. | ||
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# Usage: cleanup-trace-events.pl trace-events | ||
# | ||
# Print cleaned up trace-events to standard output. | ||
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use warnings; | ||
use strict; | ||
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my $buf = ''; | ||
my %seen = (); | ||
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sub out { | ||
print $buf; | ||
$buf = ''; | ||
%seen = (); | ||
} | ||
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while (<>) { | ||
if (/^(disable )?([a-z_0-9]+)\(/) { | ||
open GREP, '-|', 'git', 'grep', '-l', "trace_$2" | ||
or die "run git grep: $!"; | ||
my $fname; | ||
while ($fname = <GREP>) { | ||
chomp $fname; | ||
next if $seen{$fname} || $fname eq 'trace-events'; | ||
$seen{$fname} = 1; | ||
$buf = "# $fname\n" . $buf; | ||
} | ||
unless (close GREP) { | ||
die "close git grep: $!" | ||
if $!; | ||
next; | ||
} | ||
} elsif (/^# ([^ ]*\.[ch])$/) { | ||
out; | ||
next; | ||
} elsif (!/^#|^$/) { | ||
warn "unintelligible line"; | ||
} | ||
$buf .= $_; | ||
} | ||
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out; |