tools: run the tick processor without building v8

test/parallel/test-tick-processor.js

@@ -0,0 +1,45 @@
+'use strict';
+var fs = require('fs');
+var assert = require('assert');
+var path = require('path');
+var cp = require('child_process');
+var common = require('../common');
+
+common.refreshTmpDir();
+
+process.chdir(common.tmpDir);
+cp.execFileSync(process.execPath, ['-prof', '-pe',
+    'function foo(n) {' +
+    'require(\'vm\').runInDebugContext(\'Debug\');' +
+    'return n < 2 ? n : setImmediate(function() { foo(n-1) + foo(n-2);}); };' +
+    'setTimeout(function() { process.exit(0); }, 2000);' +
+    'foo(40);']);
+var matches = fs.readdirSync(common.tmpDir).filter(function(file) {
+  return /^isolate-/.test(file);
+});
+if (matches.length != 1) {
+  assert.fail('There should be a single log file.');
+}
+var log = matches[0];
+var processor =
+    path.join(common.testDir, '..', 'tools', 'v8-prof', getScriptName());
+var out = cp.execSync(processor + ' ' + log, {encoding: 'utf8'});
+assert(out.match(/LazyCompile.*foo/));
+if (process.platform === 'win32' ||
+    process.platform === 'sunos' ||
+    process.platform === 'freebsd') {
+  console.log('1..0 # Skipped: C++ symbols are not mapped for this os.');
+  return;
+}
+assert(out.match(/RunInDebugContext/));
+
+function getScriptName() {
+  switch (process.platform) {
+    case 'darwin':
+      return 'mac-tick-processor';
+    case 'win32':
+      return 'windows-tick-processor.bat';
+    default:
+      return 'linux-tick-processor';
+  }
+}

tools/v8-prof/linux-tick-processor

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+#!/usr/bin/env bash
+
+umask 077
+TEMP_SCRIPT_FILE="/tmp/node-tick-processor-input-script-$$"
+tools_path=`cd $(dirname "$0");pwd`
+v8_tools="$tools_path/../../deps/v8/tools"
+
+cat "$tools_path/polyfill.js" "$v8_tools/splaytree.js" "$v8_tools/codemap.js" \
+  "$v8_tools/csvparser.js" "$v8_tools/consarray.js" \
+  "$v8_tools/profile.js" "$v8_tools/profile_view.js" \
+  "$v8_tools/logreader.js" "$v8_tools/tickprocessor.js" \
+  "$v8_tools/SourceMap.js" \
+  "$v8_tools/tickprocessor-driver.js" >> "$TEMP_SCRIPT_FILE"
+
+NODE=${NODE:-node}
+
+if [ ! -x "$NODE" ] && [ -x "$(dirname "$0")/../../iojs" ]; then
+  NODE="$(dirname "$0")/../../iojs"
+fi
+
+"$NODE" "$TEMP_SCRIPT_FILE" $@
+
+rm -f "$TEMP_SCRIPT_FILE"

tools/v8-prof/mac-tick-processor

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+#!/bin/sh
+
+# A wrapper script to call 'linux-tick-processor' with Mac-specific settings.
+
+tools_path=`cd $(dirname "$0");pwd`
+v8_tools="$tools_path/../../deps/v8/tools"
+"$tools_path/linux-tick-processor" --mac --nm="$v8_tools/mac-nm" $@

tools/v8-prof/polyfill.js

@@ -0,0 +1,92 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Node polyfill
+var fs = require('fs');
+var os = {
+  system: function(name, args) {
+    if (process.platform === 'linux' && name === 'nm') {
+      // Filter out vdso and vsyscall entries.
+      var arg = args[args.length - 1];
+      if (arg === '[vdso]' ||
+          arg == '[vsyscall]' ||
+          /^[0-9a-f]+-[0-9a-f]+$/.test(arg)) {
+        return '';
+      }
+    }
+    return require('child_process').execFileSync(
+        name, args, {encoding: 'utf8'});
+  }
+};
+var print = console.log;
+function read(fileName) {
+  return fs.readFileSync(fileName, 'utf8');
+}
+arguments = process.argv.slice(2);
+
+// Polyfill "readline()".
+var fd = fs.openSync(arguments[arguments.length - 1], 'r');
+var buf = new Buffer(4096);
+var dec = new (require('string_decoder').StringDecoder)('utf-8');
+var line = '';
+versionCheck();
+function readline() {
+  while (true) {
+    var lineBreak = line.indexOf('\n');
+    if (lineBreak !== -1) {
+      var res = line.slice(0, lineBreak);
+      line = line.slice(lineBreak + 1);
+      return res;
+    }
+    var bytes = fs.readSync(fd, buf, 0, buf.length);
+    line += dec.write(buf.slice(0, bytes));
+    if (line.length === 0) {
+      return false;
+    }
+  }
+}
+
+function versionCheck() {
+  // v8-version looks like "v8-version,$major,$minor,$build,$patch,$candidate"
+  // whereas process.versions.v8 is either "$major.$minor.$build" or
+  // "$major.$minor.$build.$patch".
+  var firstLine = readline();
+  line = firstLine + '\n' + line;
+  firstLine = firstLine.split(',');
+  var curVer = process.versions.v8.split('.');
+  if (firstLine.length !== 6 && firstLine[0] !== 'v8-version') {
+    console.log('Unable to read v8-version from log file.');
+    return;
+  }
+  // Compare major, minor and build; ignore the patch and candidate fields.
+  for (var i = 0; i < 3; i++) {
+    if (curVer[i] !== firstLine[i + 1]) {
+      console.log('Testing v8 version different from logging version');
+      return;
+    }
+  }
+}

tools/v8-prof/windows-tick-processor.bat

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+@echo off
+setlocal
+
+SET tools_dir=%~dp0
+SET v8_tools=%tools_dir%..\..\deps\v8\tools\
+
+SET temp_script=%TEMP%\node-tick-processor-input-script
+
+IF NOT DEFINED NODE (SET NODE=node.exe)
+%NODE% --version 2> NUL
+if %ERRORLEVEL%==9009 (SET NODE=%~dp0\..\..\Release\iojs.exe)
+
+
+type %tools_dir%polyfill.js %v8_tools%splaytree.js %v8_tools%codemap.js^
+ %v8_tools%csvparser.js %v8_tools%consarray.js %v8_tools%profile.js^
+ %v8_tools%profile_view.js %v8_tools%logreader.js %v8_tools%SourceMap.js^
+ %v8_tools%tickprocessor.js %v8_tools%tickprocessor-driver.js >> %temp_script%
+%NODE% %temp_script% --windows %*
+del %temp_script%