[Xen-devel] [PULL 5/7] scripts/cleanup-trace-events: Update for current practice

[Stefan Hajnoczi <stefanha@xxxxxxxxxx>]

From: Markus Armbruster <armbru@xxxxxxxxxx>

Emit comments with shortened file names (previous commit).

Limit search to the input file's directory.

Cope with properties tcg (commit b2b36c22bd8) and vcpu (commit
3d211d9f4db).

Cope with capital letters in function names.

Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx>
Message-id: 20190314180929.27722-4-armbru@xxxxxxxxxx
Message-Id: <20190314180929.27722-4-armbru@xxxxxxxxxx>
Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
 scripts/cleanup-trace-events.pl | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/scripts/cleanup-trace-events.pl b/scripts/cleanup-trace-events.pl
index e93abc00da..d4f0e4cab5 100755
--- a/scripts/cleanup-trace-events.pl
+++ b/scripts/cleanup-trace-events.pl
@@ -13,6 +13,7 @@
 
 use warnings;
 use strict;
+use File::Basename;
 
 my $buf = '';
 my %seen = ();
@@ -23,12 +24,19 @@ sub out {
     %seen = ();
 }
 
-while (<>) {
-    if (/^(disable )?([a-z_0-9]+)\(/) {
-        open GREP, '-|', 'git', 'grep', '-lw', "trace_$2"
+$#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_$3";
+        $pat .= '_tcg' if (defined $2);
+        open GREP, '-|', 'git', 'grep', '-lw', '--max-depth', '1', $pat
             or die "run git grep: $!";
-        my $fname;
-        while ($fname = <GREP>) {
+        while (my $fname = <GREP>) {
             chomp $fname;
             next if $seen{$fname} || $fname eq 'trace-events';
             $seen{$fname} = 1;
@@ -49,3 +57,4 @@ while (<>) {
 }
 
 out;
+close(IN) or die "close $in: $!";
-- 
2.20.1


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