diff --git a/src/kiss/AsyncEmbeddedScript.hx b/src/kiss/AsyncEmbeddedScript.hx
index 599d5de..2550a02 100644
--- a/src/kiss/AsyncEmbeddedScript.hx
+++ b/src/kiss/AsyncEmbeddedScript.hx
@@ -172,23 +172,30 @@ class AsyncEmbeddedScript {
         scriptFile = Path.join([loadingDirectory, scriptFile]);
         k.fieldList = [];
         Kiss._try(() -> {
-            Reader.readAndProcess(Stream.fromFile(scriptFile), k, (nextExp) -> {
-                var exprString = Reader.toString(nextExp.def);
-                var expr = Kiss.readerExpToHaxeExpr(nextExp, k);
+            #if profileKiss
+            haxe.Timer.measure(() -> {
+                trace(scriptFile);
+            #end
+                Reader.readAndProcess(Stream.fromFile(scriptFile), k, (nextExp) -> {
+                    var exprString = Reader.toString(nextExp.def);
+                    var expr = Kiss.readerExpToHaxeExpr(nextExp, k);
 
-                #if debug
-                expr = macro { Prelude.print($v{exprString}); $expr; };
-                #end
-                if (expr != null) {
-                    commandList.push(macro function(self, cc) {
-                        $expr;
-                    });
-                }
+                    #if debug
+                    expr = macro { Prelude.print($v{exprString}); $expr; };
+                    #end
+                    if (expr != null) {
+                        commandList.push(macro function(self, cc) {
+                            $expr;
+                        });
+                    }
 
-                // This return is essential for type unification of concat() and push() above... ugh.
-                return;
+                    // This return is essential for type unification of concat() and push() above... ugh.
+                    return;
+                });
+                null;
+            #if profileKiss
             });
-            null;
+            #end
         });
 
         classFields = classFields.concat(k.fieldList);
diff --git a/src/kiss/EmbeddedScript.hx b/src/kiss/EmbeddedScript.hx
index 607edf0..a15dbb8 100644
--- a/src/kiss/EmbeddedScript.hx
+++ b/src/kiss/EmbeddedScript.hx
@@ -64,23 +64,30 @@ class EmbeddedScript {
         scriptFile = Path.join([loadingDirectory, scriptFile]);
 
         Kiss._try(() -> {
-            Reader.readAndProcess(Stream.fromFile(scriptFile), k, (nextExp) -> {
-                var expr = Kiss.readerExpToHaxeExpr(nextExp, k);
+            #if profileKiss
+            haxe.Timer.measure(() -> {
+                trace(scriptFile);
+            #end
+                Reader.readAndProcess(Stream.fromFile(scriptFile), k, (nextExp) -> {
+                    var expr = Kiss.readerExpToHaxeExpr(nextExp, k);
 
-                if (expr != null) {
-                    commandList.push(macro function(self) {
-                        $expr;
-                    });
-                }
+                    if (expr != null) {
+                        commandList.push(macro function(self) {
+                            $expr;
+                        });
+                    }
 
-                // This return is essential for type unification of concat() and push() above... ugh.
-                return;
-                // TODO also allow label setting and multiple commands coming from the same expr?
-                // Multiple things could come from the same expr by returning begin, or a call to a function that does more stuff
-                // i.e. knot declarations need to end the previous knot, and BELOW that set a label for the new one, then increment the read count
-                // TODO test await
+                    // This return is essential for type unification of concat() and push() above... ugh.
+                    return;
+                    // TODO also allow label setting and multiple commands coming from the same expr?
+                    // Multiple things could come from the same expr by returning begin, or a call to a function that does more stuff
+                    // i.e. knot declarations need to end the previous knot, and BELOW that set a label for the new one, then increment the read count
+                    // TODO test await
+                });
+                null;
+            #if profileKiss
             });
-            null;
+            #end
         });
 
         classFields.push({
diff --git a/src/kiss/Kiss.hx b/src/kiss/Kiss.hx
index 669d41b..078c374 100644
--- a/src/kiss/Kiss.hx
+++ b/src/kiss/Kiss.hx
@@ -164,6 +164,7 @@ class Kiss {
         Build macro: add fields to a class from a corresponding .kiss file
     **/
     public static function build(?kissFile:String, ?k:KissState, useClassFields = true):Array<Field> {
+
         var classPath = Context.getPosInfos(Context.currentPos()).file;
         // (load... ) relative to the original file
         var loadingDirectory = Path.directory(classPath);
@@ -173,42 +174,49 @@ class Kiss {
         //trace('kiss build $kissFile');
 
         return _try(() -> {
-            if (k == null)
-                k = defaultKissState();
+            #if profileKiss
+            haxe.Timer.measure(() -> {
+                trace(kissFile);
+            #end
+                if (k == null)
+                    k = defaultKissState();
 
-            if (useClassFields) {
-                k.fieldList = Context.getBuildFields();
-                for (field in k.fieldList) {
-                    k.fieldDict[field.name] = field;
+                if (useClassFields) {
+                    k.fieldList = Context.getBuildFields();
+                    for (field in k.fieldList) {
+                        k.fieldDict[field.name] = field;
+                    }
                 }
-            }
-            k.loadingDirectory = loadingDirectory;
+                k.loadingDirectory = loadingDirectory;
 
-            var topLevelBegin = load(kissFile, k);
+                var topLevelBegin = load(kissFile, k);
 
-            if (topLevelBegin != null) {
-                // If no main function is defined manually, Kiss expressions at the top of a file will be put in a main function.
-                // If a main function IS defined, this will result in an error
-                if (k.fieldDict.exists("main")) {
-                    throw CompileError.fromExp(topLevelBegin, '$kissFile has expressions outside of field definitions, but already defines its own main function.');
+                if (topLevelBegin != null) {
+                    // If no main function is defined manually, Kiss expressions at the top of a file will be put in a main function.
+                    // If a main function IS defined, this will result in an error
+                    if (k.fieldDict.exists("main")) {
+                        throw CompileError.fromExp(topLevelBegin, '$kissFile has expressions outside of field definitions, but already defines its own main function.');
+                    }
+                    var b = topLevelBegin.expBuilder();
+                    // This doesn't need to be added to the fieldDict because all code generation is done
+                    k.fieldList.push({
+                        name: "main",
+                        access: [AStatic],
+                        kind: FFun(Helpers.makeFunction(
+                            b.symbol("main"),
+                            false,
+                            b.list([]),
+                            [topLevelBegin],
+                            k,
+                            "function")),
+                        pos: topLevelBegin.macroPos()
+                    });
                 }
-                var b = topLevelBegin.expBuilder();
-                // This doesn't need to be added to the fieldDict because all code generation is done
-                k.fieldList.push({
-                    name: "main",
-                    access: [AStatic],
-                    kind: FFun(Helpers.makeFunction(
-                        b.symbol("main"),
-                        false,
-                        b.list([]),
-                        [topLevelBegin],
-                        k,
-                        "function")),
-                    pos: topLevelBegin.macroPos()
-                });
-            }
 
-            k.fieldList;
+                k.fieldList;
+            #if profileKiss
+            });
+            #end
         });
     }