Profile a few more things

packages/babel-compiler/babel-compiler.js

@@ -59,7 +59,9 @@ BCp.processFilesForTarget = function (inputFiles) {
       babelOptions.sourceMapTarget = babelOptions.filename + ".map";
 
       try {
-        var result = Babel.compile(source, babelOptions);
+        var result = profile('Babel.compile', function () {
+          return Babel.compile(source, babelOptions);
+        });
       } catch (e) {
         if (e.loc) {
           inputFile.error({
@@ -86,3 +88,11 @@ BCp.processFilesForTarget = function (inputFiles) {
 BCp.setDiskCacheDirectory = function (cacheDir) {
   Babel.setCacheDir(cacheDir);
 };
+
+function profile(name, func) {
+  if (typeof Profile !== 'undefined') {
+    return Profile.time(name, func);
+  } else {
+    return func();
+  }
+};

tools/fs/files.js

@@ -823,6 +823,8 @@ files.renameDirAlmostAtomically = function (fromDir, toDir) {
     files.rm_recursive(garbageDir);
   }
 };
+files.renameDirAlmostAtomically = Profile("files.renameDirAlmostAtomically",
+                                          files.renameDirAlmostAtomically);
 
 files.writeFileAtomically = function (filename, contents) {
   var tmpFile = files.pathJoin(
@@ -831,6 +833,8 @@ files.writeFileAtomically = function (filename, contents) {
   files.writeFile(tmpFile, contents);
   files.rename(tmpFile, filename);
 };
+files.writeFileAtomically = Profile("files.writeFileAtomically",
+                                    files.writeFileAtomically);
 
 // Like fs.symlinkSync, but creates a temporay link and renames it over the
 // file; this means it works even if the file already exists.

tools/isobuild/compiler.js

@@ -323,7 +323,7 @@ var lintUnibuild = function ({isopack, isopackCache, sourceArch}) {
 // options.isopack.
 //
 // Returns a list of source files that were used in the compilation.
-var compileUnibuild = function (options) {
+var compileUnibuild = Profile("compileUnibuild", function (options) {
   buildmessage.assertInCapture();
 
   const isopk = options.isopack;
@@ -609,7 +609,7 @@ api.addAssets('${relPath}', 'client').`);
   return {
     pluginProviderPackageNames: pluginProviderPackageNames
   };
-};
+});
 
 function runLinters({inputSourceArch, isopackCache, sources,
                      sourceProcessorSet, watchSet}) {