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From 5fde31188fab75d48e9a3d508ac8f9088e09bf3d Mon Sep 17 00:00:00 2001
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Message-Id: <5fde31188fab75d48e9a3d508ac8f9088e09bf3d.1387276076.git.minovotn@redhat.com>
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In-Reply-To: <e610718166120379517e80d1a7aa12d60294209b.1387276076.git.minovotn@redhat.com>
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References: <e610718166120379517e80d1a7aa12d60294209b.1387276076.git.minovotn@redhat.com>
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From: Markus Armbruster <armbru@redhat.com>
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Date: Tue, 10 Dec 2013 15:12:50 +0100
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Subject: [PATCH 09/16] cleanup-trace-events.pl: New
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RH-Author: Markus Armbruster <armbru@redhat.com>
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Message-id: <1386688376-29521-2-git-send-email-armbru@redhat.com>
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Patchwork-id: 56112
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O-Subject: [PATCH 7.0 qemu-kvm 1/7] cleanup-trace-events.pl: New
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Bugzilla: 997832
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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From: Markus Armbruster <armbru@redhat.com>
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Simple script to drop unused events and fix up source file comments.
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The next few commits put it to use.
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit f0c03c8cf6184f25ba91449c1ff77e5e006ce514)
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---
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scripts/cleanup-trace-events.pl | 51 +++++++++++++++++++++++++++++++++++++++++
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1 file changed, 51 insertions(+)
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create mode 100755 scripts/cleanup-trace-events.pl
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Signed-off-by: Michal Novotny <minovotn@redhat.com>
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---
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scripts/cleanup-trace-events.pl | 51 +++++++++++++++++++++++++++++++++++++++++
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1 file changed, 51 insertions(+)
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create mode 100755 scripts/cleanup-trace-events.pl
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diff --git a/scripts/cleanup-trace-events.pl b/scripts/cleanup-trace-events.pl
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new file mode 100755
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index 0000000..cffbf16
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--- /dev/null
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+++ b/scripts/cleanup-trace-events.pl
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@@ -0,0 +1,51 @@
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+#!/usr/bin/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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+
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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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+
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+use warnings;
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+use strict;
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+
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+my $buf = '';
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+my %seen = ();
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+
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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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+
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+while (<>) {
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+ if (/^(disable )?([a-z_0-9]+)\(/) {
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+ open GREP, '-|', 'git', 'grep', '-l', "trace_$2"
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+ or die "run git grep: $!";
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+ my $fname;
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+ while ($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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+
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+out;
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--
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1.7.11.7
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