mirror of https://gitee.com/openkylin/qemu.git
61 lines
1.4 KiB
Perl
Executable File
61 lines
1.4 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# Authors:
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# Markus Armbruster <armbru@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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# Usage: cleanup-trace-events.pl trace-events
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#
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# Print cleaned up trace-events to standard output.
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use warnings;
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use strict;
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use File::Basename;
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my $buf = '';
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my %seen = ();
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sub out {
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print $buf;
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$buf = '';
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%seen = ();
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}
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$#ARGV == 0 or die "usage: $0 FILE";
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my $in = $ARGV[0];
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my $dir = dirname($in);
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open(IN, $in) or die "open $in: $!";
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chdir($dir) or die "chdir $dir: $!";
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while (<IN>) {
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if (/^(disable |(tcg) |vcpu )*([a-z_0-9]+)\(/i) {
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my $pat = "trace_$3";
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$pat .= '_tcg' if (defined $2);
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open GREP, '-|', 'git', 'grep', '-lw', '--max-depth', '1', $pat
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or die "run git grep: $!";
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while (my $fname = <GREP>) {
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chomp $fname;
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next if $seen{$fname} || $fname eq 'trace-events';
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$seen{$fname} = 1;
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$buf = "# $fname\n" . $buf;
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}
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unless (close GREP) {
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die "close git grep: $!"
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if $!;
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next;
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}
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} elsif (/^# ([^ ]*\.[ch])$/) {
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out;
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next;
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} elsif (!/^#|^$/) {
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warn "unintelligible line";
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}
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$buf .= $_;
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}
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out;
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close(IN) or die "close $in: $!";
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