Generic performance test output

Styled for display to user as the tests are running, but data are written to
perf.out for additional processing.

You can style the perf.out file cleanly using:
  $ column -ts\| perf.out

.gitignore

@@ -10,6 +10,7 @@ ChangeLog
 
 # autotools- and configure-generated
 test/runner
+test/perf/runner
 aclocal.m4
 Makefile.in
 Makefile
@@ -17,6 +18,9 @@ Makefile
 configure
 config.*
 
+# script output
+perf.out
+
 # should be added using autoreconf -i
 INSTALL
 tools/install-sh

Makefile.am

@@ -112,10 +112,9 @@ test: check
 check: $(src_tests) test-suite
 
 # performance tests
-perf: @PERF_TESTS@
+perf:
-perf-%.js: FORCE
 if HAS_NODE
-	@$(NODE) $@
+	@$(path_test)/perf/runner @PERF_TESTS@
 else
 	@echo "Node.js must be installed in order to run performance tests"
 	@exit 1

configure.ac

@@ -87,7 +87,8 @@ PERF_TESTS=$( find test/perf -name 'perf-*.js' | tr '\n' ' ' )
 AC_SUBST(PERF_TESTS)
 AS_IF([test "$PERF_TESTS"], [AC_MSG_RESULT(ok)], [AC_MSG_WARN(none found)])
 
-AC_CONFIG_FILES(
+AC_CONFIG_FILES([Makefile doc/Makefile package.json lib/version.js])
-  [Makefile doc/Makefile package.json lib/version.js test/runner],
+AC_CONFIG_FILES([test/runner], [chmod +x test/runner])
-  [chmod +x test/runner])
+AC_CONFIG_FILES([test/perf/runner], [chmod +x test/perf/runner])
+
 AC_OUTPUT

test/perf/common.js

@@ -89,8 +89,6 @@ exports.report = function( count, desc )
         pers  = ( total / count ).toFixed( 10 )
     ;
 
-    console.log( total + "s (x" + count + " = " + pers + "s each)" +
+    console.log( "%s|%s|%s|%s", desc, count, pers, total );
-        ( ( desc ) ? ( ': ' + desc ) : '' )
-    );
 };
 

test/perf/runner.in

@@ -0,0 +1,36 @@
+#!/bin/sh
+#
+#  Copyright (C) 2014 Mike Gerwitz
+#
+#  This file is part of GNU ease.js.
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# If you want formatted output, see :/tools/perf2html, or run this command:
+#   $ column -ts\| perf.out
+# #
+
+rawout=perf.out
+>"$rawout"
+
+for f in "$@"; do
+  @NODE@ "$f" || exit $?
+done \
+  | tee -a "$rawout" \
+  | awk -F\| '
+    # format for display as the tests are running
+    { printf "%s (x%s = %ss each): %s\n", $4, $2, $3, $1 }
+  '
+
+echo "Raw data written to $rawout" >&2