Profiler improvements

test/mjsunit/tools/tickprocessor-test.default

Index: test/mjsunit/tools/tickprocessor-test.default
diff --git a/test/mjsunit/tools/tickprocessor-test.default b/test/mjsunit/tools/tickprocessor-test.default
index c2fe441e19882fb164667921e1628c967495d8a7..943ec33553be01c7826647f9c162a44cd5401654 100644
--- a/test/mjsunit/tools/tickprocessor-test.default
+++ b/test/mjsunit/tools/tickprocessor-test.default
@@ -7,7 +7,6 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
 
  [JavaScript]:
    ticks  total  nonlib   name
-      1    7.7%   11.1%  LazyCompile: exp native math.js:41
 
  [C++]:
    ticks  total  nonlib   name
@@ -18,7 +17,7 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
 
  [Summary]:
    ticks  total  nonlib   name
-      1    7.7%   11.1%  JavaScript
+      0    0.0%    0.0%  JavaScript
       5   38.5%   55.6%  C++
       0    0.0%    0.0%  GC
       4   30.8%          Shared libraries
@@ -45,6 +44,10 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
       2  100.0%    LazyCompile: exp native math.js:41
       2  100.0%      Script: exp.js
 
+      2   15.4%  UNKNOWN
+      1   50.0%    LazyCompile: exp native math.js:41
+      1  100.0%      Script: exp.js
+
       1    7.7%  v8::internal::JSObject::LookupOwnRealNamedProperty(v8::internal::String*, v8::internal::LookupResult*)
       1  100.0%    Script: exp.js
 
@@ -57,6 +60,3 @@ Statistical profiling result from v8.log, (13 ticks, 2 unaccounted, 0 excluded).
       1  100.0%    LazyCompile: exp native math.js:41
       1  100.0%      Script: exp.js
 
-      1    7.7%  LazyCompile: exp native math.js:41
-      1  100.0%    Script: exp.js
-