Add a profile script

diff --git a/author/he-profile.pl b/author/he-profile.pl
new file mode 100644 (file)
index 0000000..dbab673
--- /dev/null
+++ b/author/he-profile.pl
@@ -0,0 +1,29 @@
+#!perl -w
+# Usage: perl author/profile.pl (no other options including -Mblib are reqired)
+
+use strict;
+
+my $script = 'bench/foo.pl';
+
+my $branch = do{
+       open my $in, '.git/HEAD' or die "Cannot open .git/HEAD: $!";
+       my $s = scalar <$in>;
+       chomp $s;
+       $s =~ s{^ref: \s+ refs/heads/}{}xms;
+       $s =~ s{/}{_}xmsg;
+       $s;
+};
+
+print "Profiling $branch ...\n";
+
+my @cmd = ($^X, '-Iblib/lib', '-Iblib/arch', '-d:NYTProf', '-e',
+    'require HTTP::Engine; require HTTP::Engine::Interface::CGI');
+
+print "> @cmd\n";
+system(@cmd) == 0 or die "Cannot profile";
+system(@cmd) == 0 or die "Cannot profile";
+system(@cmd) == 0 or die "Cannot profile";
+
+@cmd = ($^X, '-S', 'nytprofhtml', '--out', "nytprof-$branch");
+print "> @cmd\n";
+system(@cmd) == 0 or die "Cannot profile";