diff --git a/scripts/debug.js b/scripts/debug.js
index 8afacad..f41babc 100644
--- a/scripts/debug.js
+++ b/scripts/debug.js
@@ -211,16 +211,6 @@ debug.api.print_doc =  function(name)
   return mdoc;
 }
 
-debug.log = {};
-
-debug.log.time = function(fn, name, avg=0)
-{
-  debug.log.time[name] ??= [];
-  var start = profile.now();
-  fn();
-  debug.log.time[name].push(profile.now()-start);
-}
-
 debug.kill = function()
 {
   assert = function() {};
diff --git a/scripts/engine.js b/scripts/engine.js
index cfbf4a7..cd8a9c2 100644
--- a/scripts/engine.js
+++ b/scripts/engine.js
@@ -652,6 +652,8 @@ prosperon.touchrelease = function (touches) {};
 prosperon.touchmove = function (touches) {};
 prosperon.clipboardpaste = function (str) {};
 prosperon.quit = function () {
+  if (profile.disabled) return;
+  
   say("===START CACHE REPORTS===\n");
   for (var i in profile.report_cache) {
     say(profile.printreport(profile.report_cache[i],i));
@@ -662,10 +664,6 @@ prosperon.quit = function () {
   say("\n");
 
   profile.print_cpu_instr();
-
-  console.info("QUITTING");
-  for (var i in debug.log.time)
-    say(debug.log.time[i].map((x) => profile.ms(x)));
 };
 
 window.size = [640, 480];
diff --git a/scripts/profile.js b/scripts/profile.js
index c654029..639be99 100644
--- a/scripts/profile.js
+++ b/scripts/profile.js
@@ -176,3 +176,12 @@ profile.printreport = function (cache, name) {
 
   return report;
 };
+
+var null_fn = function(){};
+profile.disable = function()
+{
+  profile.gather_stop();
+  profile.frame = null_fn;
+  profile.endframe = null_fn;
+  profile.disabled = true;
+}
\ No newline at end of file
diff --git a/scripts/render.js b/scripts/render.js
index 8fea0ba..527cf19 100644
--- a/scripts/render.js
+++ b/scripts/render.js
@@ -194,7 +194,7 @@ render.make_shader = function(shader)
       }
     }
   
-    profile.report(st, `CACHE make shader from ${file}`);
+    profile.addreport("shader [cached]", file, st);
     var shaderobj = json.decode(io.slurp(writejson));
     var obj = shaderobj[os.sys()];
     obj.pipe = render.pipeline(obj);
@@ -310,7 +310,7 @@ render.make_shader = function(shader)
   compiled.files = files;
   
   io.slurpwrite(writejson, json.encode(compiled));
-  profile.report(st, `make shader from ${file}`);
+  profile.addreport('shader', file, st);
   
   var obj = compiled[os.sys()];
   obj.pipe = render.pipeline(obj);
diff --git a/source/engine/font.c b/source/engine/font.c
index bc05183..fd39486 100644
--- a/source/engine/font.c
+++ b/source/engine/font.c
@@ -104,7 +104,6 @@ struct sFont *MakeFont(const char *fontfile, int height) {
   newfont->descent = descent*emscale;
   newfont->linegap = linegap*emscale;
   newfont->linegap = ((newfont->ascent - newfont->descent) - newfont->linegap);
-  printf("newfont : %g, %g, %g\n", newfont->ascent, newfont->descent, newfont->linegap);
 
   newfont->texture = malloc(sizeof(texture));
   newfont->texture->id = sg_make_image(&(sg_image_desc){
diff --git a/source/engine/jsffi.c b/source/engine/jsffi.c
index 12c7d40..b868451 100644
--- a/source/engine/jsffi.c
+++ b/source/engine/jsffi.c
@@ -1327,10 +1327,15 @@ JSC_CCALL(profile_gather_rate,
   JS_SetInterruptRate(js2number(argv[0]));
 )
 
+JSC_CCALL(profile_gather_stop,
+  JS_SetInterruptHandler(rt,NULL,NULL,10000);
+)
+
 static const JSCFunctionListEntry js_profile_funcs[] = {
   MIST_FUNC_DEF(profile,now,0),
   MIST_FUNC_DEF(profile,gather,2),
-  MIST_FUNC_DEF(profile,gather_rate,1)
+  MIST_FUNC_DEF(profile,gather_rate,1),
+  MIST_FUNC_DEF(profile,gather_stop,0),
 };
 
 JSC_SCALL(io_exists, ret = boolean2js(fexists(str)))