Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 65 insertions, 0 deletions

diff --git a/scripts/cleanup-trace-events.pl b/scripts/cleanup-trace-events.pl
new file mode 100755
index 000000000..c40d2fcc5
--- /dev/null
+++ b/scripts/cleanup-trace-events.pl
@@ -0,0 +1,65 @@
+#!/usr/bin/env perl
+# Copyright (C) 2013 Red Hat, Inc.
+#
+# Authors:
+#  Markus Armbruster <armbru@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
+
+# Usage: cleanup-trace-events.pl trace-events
+#
+# Print cleaned up trace-events to standard output.
+
+use warnings;
+use strict;
+use File::Basename;
+
+my @files = ();
+my $events = '';
+my %seen = ();
+
+sub out {
+    print sort @files;
+    print $events;
+    @files = ();
+    $events = '';
+    %seen = ();
+}
+
+$#ARGV == 0 or die "usage: $0 FILE";
+my $in = $ARGV[0];
+my $dir = dirname($in);
+open(IN, $in) or die "open $in: $!";
+chdir($dir) or die "chdir $dir: $!";
+
+while (<IN>) {
+    if (/^(disable |(tcg) |(vcpu) )*([a-z_0-9]+)\(/i) {
+        my $pat = "trace_$4";
+        $pat .= '_tcg' if defined $2;
+        open GREP, '-|', 'git', 'grep', '-lw',
+	    defined $3 ? () : ('--max-depth', '1'),
+	    $pat
+            or die "run git grep: $!";
+        while (my $fname = <GREP>) {
+            chomp $fname;
+            next if $seen{$fname} || $fname eq 'trace-events';
+            $seen{$fname} = 1;
+            push @files, "# $fname\n";
+        }
+        unless (close GREP) {
+            die "close git grep: $!"
+                if $!;
+            next;
+        }
+    } elsif (/^# ([^ ]*\.[ch])$/) {
+        out;
+        next;
+    } elsif (!/^#|^$/) {
+        warn "unintelligible line";
+    }
+    $events .= $_;
+}
+
+out;
+close(IN) or die "close $in: $!";